CN1272625C - Test method for electric element, test devices for electric terminal box and terminal fitting part - Google Patents
Test method for electric element, test devices for electric terminal box and terminal fitting part Download PDFInfo
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- CN1272625C CN1272625C CN 02141804 CN02141804A CN1272625C CN 1272625 C CN1272625 C CN 1272625C CN 02141804 CN02141804 CN 02141804 CN 02141804 A CN02141804 A CN 02141804A CN 1272625 C CN1272625 C CN 1272625C
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Abstract
Provided are inspection method of electric element, an inspection apparatus of an electric junction box and inspection apparatus of the terminal fittings. The inspection apparatus of an electric junction box 1 has a CCD camera 5, an image-processing device 7 and a control device 8. The CCD camera picks up images of fuse 14 in the electric junction box 12 as a subject of the inspection. The image-processing device 7 stores an image consulting data 60. The image consulting data 60 includes a plurality of images of each fuse 14 having the same item symbol with regard to every item symbol, the fuses 14 being used in the electric junction box 12. The control device 8 stores normal data indicating the proper item symbol of the fuse 14 to be mounted on a corresponding mount 13. The image-processing device 7 extracts the image most analogous to the image picked up by the CCD camera 5 from the images in the image consulting data. The control device 8 judges the quality of the item symbol of the fuse 14 having the most analogous image on the basis of the normal data.
Description
Technical field
The present invention relates to the inspection method of a kind of electrical equipment (as fuse) and end fitting, a kind of testing fixture of electrical junction box, be used to check should be rack-mount electrical equipment whether be mounted as fuse with bullets (item symbol), with a kind of testing fixture of end fitting, be used to check the quality that is installed in the end fitting on the insulator.
Background technology
Usually, different electric devices has been installed as the motor vehicles of mobile device, for example, as the lamp of headlight and taillight with as the engine of starting engine and the engine of air conditioner.
For power supply being offered different electric devices, will be at the correct position configuration web member of motor vehicles.In web member, terminal block and bus-bar with printed wiring board will build up with thin slice, and different circuit units and they are integrally formed, form web member thus.
Because this web member can have fuse, relay and bus-bar, so the generic term of web member can be referred to as fuse block, relay box or electrical junction box.In this manual, above-mentioned fuse block, relay box and web member hereinafter are referred to as electrical junction box.
In such terminal box, different electrical equipments has been installed, as fuse, relay, diode and fuse.Each terminal of these electrical equipments is connected with terminal block.The electric wire that will be connected with power supply or load according to predetermined pattern terminal box is connected with different electrical equipments.
For example, the bullets that has many different capabilities as above-mentioned one of them the fuse of electrical equipment.On the outside surface of fuse, show a mark (for example, 10A and 20A) according to allowable current.Usually, in electrical junction box, the fuse with numerous items symbol has been installed.
During the assembling electrical junction box, the fuse that wherein has the numerous items symbol is installed in the electrical junction box, and each fuse that the workman just will have required allowable current is installed in corresponding precalculated position in the electrical junction box.After this, whether each fuse correctly is installed in corresponding position just by electrical junction box being carried out continuous test and visual inspection is judged.
In addition, motor vehicles are provided with wiring harness, are used for power supply and control signal are offered above-mentioned different electric devices.This wiring harness is made up of with the connector that is connected with the tail end of electric wire many electric wires.This electric wire is exactly the so-called covered wire that a conductive cores and covers the electric insulation coating layer portion on the core that has.Connector has an end fitting and the insulated connectors housing as electrical equipment.
This end fitting is made by crooked conductive metal sheet, has an energy electric wire pressure welding part that connects of pressure welding and the ca(u)lk spare of a ca(u)lk electric wire with it.This pressure welding part has the blade of a pair of pressure welding.This can cut the coating portion of electric wire to blade so that form with core and contact when electric wire crimp is between a pair of blade, thus this pressure welding part energy electric wire with it pressure welding connect.Ca(u)lk spare is through crooked ca(u)lk electric wire.This connector shell has the support of mounted thereto of many end fittings.Connector shell is by end fitting being installed on its support and with mounted thereto of end fitting.
After end fitting was installed on the support of connector shell, electric wire was bonded on the pressure welding part that is connected to end fitting, and ca(u)lk spare is bent, so end fitting just is fixed on the electric wire.Like this, wiring harness just can be assembled.When wiring harness is assembled, the quality that is installed in the ca(u)lk spare of pressure welding part on the connector shell and end fitting can be checked by a kind of known appearance inspection device at present, and pressure welding has connect the pressure welding part of end fitting of electric wire and the quality of ca(u)lk spare can be checked by a kind of known appearance inspection device at present.
Above-mentioned appearance inspection device is stored the image of a flawless end fitting and another width of cloth electric wire is connect flawless end fitting thereon by pressure welding in advance image in advance.Then, after obtaining that the checked image that is installed in the end fitting on the connector shell and electric wire be bonded the image that connects end fitting thereon, the quality of end fitting and electric wire pressure welding connect the quality of state and can check by these images are compared with flawless image at present.
In the assemble method that above-mentioned electrical junction box is used always,, therefore just the fuse of incorrect allowable current may be installed in corresponding position because the workman selects required fuse, and is installed in the relevant position of electrical junction box with it.And, because the workman is an allowable current of confirming to be installed in this locational fuse by visual inspection, therefore just the fuse of incorrect allowable current also may be installed in corresponding position.
In addition, because end fitting is to be made by sheet metal, if brightness of illumination between end fitting and the illumination or position relation change, the image that is installed in the end fitting on the connector shell will change.Therefore, when the quality of end fitting is judged by using above-mentioned appearance inspection device, will often produce misjudgment, as being judged as flawless end fitting defective and underproof end fitting being judged as flawless product.Therefore, up to now, people are difficult to judge reliably the quality of end fitting.
As mentioned above, be difficult to judge reliably the quality of fuse or end fitting with inspection method commonly used.
Summary of the invention
Therefore, first purpose of the present invention provides a kind of inspection method of electrical equipment, can judge the quality of electrical equipment reliably with this inspection method.Second purpose of the present invention provides a kind of testing fixture of electrical junction box, can detect incorrect electrical equipment reliably with this testing fixture and be installed in the electrical junction box.The 3rd purpose of the present invention provides a kind of testing fixture of end fitting, can judge the quality of end fitting reliably with this testing fixture.
In order to realize first purpose, the invention provides a kind of inspection method of electrical equipment, it comprises the following steps: to store in advance a plurality of images of flawless electrical equipment;
Storage comprises the image reference data of a plurality of bullets, and wherein each described bullets is corresponding in described a plurality of images at least one;
Storage comprises the normal data of wanting checked a plurality of parts, and wherein each wants checked part corresponding at least one correct bullets in the bullets; And
According to the image of wanting checked electrical equipment, want checked part, image reference data and normal data, judge what want checked part and want checked electrical equipment whether indefectible.
For above-mentioned formation,, may be included in the image of the indefectible element of being stored very much with the image that will be examined the element image similarity owing to stored the image of many indefectible elements in advance.Therefore, the image that is examined element is consistent with the image the most similar to it in the image of the indefectible element of being stored probably.Therefore, just can avoid when the decision element quality, producing mistake.
In order to realize first purpose, the invention provides a kind of inspection method of electrical equipment, it comprises the following steps:
Store a plurality of images of flawless electrical equipment in advance;
Storage comprises the image reference data of a plurality of bullets, and wherein each described bullets is corresponding in described a plurality of images at least one;
Storage comprises the normal data of wanting checked a plurality of parts, and wherein each wants checked part corresponding at least one correct bullets in the bullets;
Relatively wanting the image of wanting checked electrical equipment of checked part and a plurality of images of flawless electrical equipment;
From a plurality of images of flawless electrical equipment, extract a width of cloth and want the most similar image of checked electrical equipment image; With
According to the most similar image, want checked electrical equipment image, want checked part, image reference data and normal data, judge whether want checked electrical equipment indefectible.
For above-mentioned formation,, may be included in the image of the indefectible element of being stored very much with the image that will be examined the element image similarity owing to stored the image of many indefectible elements in advance.Therefore, the image that is examined element is consistent with the image the most similar to it in the image of the indefectible element of being stored probably.In addition, the quality of element is that the most similar image of basis and the image that will be examined element are judged.Therefore, just can avoid when the decision element quality, producing mistake.
In order to realize second purpose, the invention provides a kind of testing fixture of electrical junction box, this electrical junction box has many supports, electrical equipment is rack-mount, this testing fixture is used to check the installment state of electrical equipment, above-mentioned each electrical equipment has different marks according to its bullets at its outside surface, and this testing fixture comprises:
Image pick up equipment is used to pick up the image of the described mark that comprises rack-mount electrical equipment;
Extraction equipment, be used for (1) memory image reference data and normal data, the image reference data have comprised a plurality of images, these images comprise the described mark as the electrical equipment that is installed in all items symbol in the electrical junction box of checking main body, normal data represents to be installed in the correct bullets of the electrical equipment on the respective holder, be used for the image of the described mark that comprises rack-mount electrical equipment that (2) relatively picks up by image pick up equipment and the image of image reference data, be used for (3) extract the electrical equipment with similar image from the image in the image reference data bullets; With
Judgment device is used for the bullets of the electrical equipment by relatively having similar image and the quality that described normal data is judged the installment state of the electrical equipment on the support.
According to said structure, can store the image of the bullets that will be installed in the electrical equipment in the electrical junction box in advance, in addition, also can store many images of each bullets.The most similar image of the image that picks up to image pick up equipment extracts from these stored images.
Therefore, the image the most similar to the electrical equipment image that picks up with image pick up equipment may be included in the image reference data.That is to say the image that image pick up equipment picks up and just become very high from the consistent degree between the similar image in institute's memory image.Therefore, be stored in the image reference data more, just can distinguish the bullets of rack-mount electrical equipment by striving the image that the noon has the electrical equipment of identical items symbol.
In addition, relatively have the bullets and the above-mentioned normal data of the electrical equipment of similar image, so that judge the quality of the installment state of electrical equipment on the support.Therefore, incorrect installation, that is, the rack-mount electrical equipment with incorrect bullets can be detected reliably.
Preferably, image is a numerical information, and wherein luminous energy is represented with many grades,
Extraction equipment relatively comprises as the image of the described mark that is installed in the electrical equipment on the electrical junction box medium-height trestle of checking main body and the image in the image reference data with the standardization correlation technique, so that by the standardization correlation technique from these images, obtain have the image of high correlation be configured to the most similar described image and
Judgment device is by relatively having the bullets of the electrical equipment of the image of high correlation and the quality that described normal data is judged the electrical equipment installment state on the support.
According to said structure, when extracting the image the most similar, use the standardization correlation technique to the image that picks up with image pick up equipment.In the standardization correlation technique, two width of cloth images that compare can relatively be moved, and amplify and reduce size (that is, standardization) can regulate them, realize relevantly then, calculate the correlation of consistent degree between expression two width of cloth images with this.
Therefore, owing to used the standardization correlation technique, this two width of cloth image compares (coupling) mutually, and luminous energy is represented with many grades in every width of cloth image.On the other hand, the image with identical items symbol has approximately identical variation in light intensity.Therefore, having situation that the consistent degree between the image of identical items symbol will compare mutually at the image of binary condition record compares and will become higher.
Therefore, the image that is picked up by image pick up equipment and just become higher from the consistent degree between the similar image in these memory images just can be distinguished more reliably with the bullets of this rack-mount electrical equipment.
In order to realize second purpose, the invention provides a kind of testing fixture of electrical junction box, this electrical junction box has many supports, electrical equipment is rack-mount, this testing fixture is used to check the installment state of electrical equipment, above-mentioned each electrical equipment has different marks according to its bullets at its outside surface, and this testing fixture comprises:
Image pick up equipment is used to pick up the image of the described mark that comprises rack-mount electrical equipment;
Extraction equipment, be used for (1) memory image reference data, the image reference data have comprised a plurality of images, these images comprise the described mark as the electrical equipment that is installed in all items symbol in the electrical junction box of checking main body, be used for the image of the image of the described mark that comprises rack-mount electrical equipment that (2) picks up by image pick up equipment by the comparison of standardization correlation technique and the electrical equipment that the image reference data will be mounted and be used for (3) extracting the highest correlation from the correlation that obtains by the standardization correlation technique with correct bullets; With
Judgment device is used for the quality that the highest correlation of basis is judged rack-mount electrical equipment installment state.
According to said structure, the image of image that can pick up by image pick up equipment by the standardized method comparison and the electrical equipment with correct bullets that will be mounted.Then, judge according to the correlation that obtains by the standardization correlation technique whether the electrical equipment with correct bullets is rack-mount.
Storage in advance will be installed in the image of the electrical equipment that has bullets in the electrical junction box, and in addition, also storage has many images of the electrical equipment of identical items symbol.Therefore, that picked up by image pick up equipment, the most similar to electrical equipment image image is included in the image reference data probably.That is to say the image that picks up by image pick up equipment and will become higher from the consistent degree between the most similar image of image in the image reference data.Therefore, just can judge reliably whether the electrical equipment with correct bullets is rack-mount.
Preferably, judgment device will comprise that the image of the described mark of above-mentioned correct rack-mount electrical equipment is added in the image reference data outside being judged as the electric component of installing incorrectly on support.
According to said structure, be judged as the image of installing the electrical equipment on support incorrectly and can be added in the image reference data.Therefore, pick up by image pick up equipment, more may be included in the image reference data with the image of electrical equipment image similarity.
Therefore, the image that is picked up by image pick up equipment and just become higher from the consistent degree between the most similar image of image in the image reference data just can be distinguished the bullets of rack-mount electrical equipment more reliably with this.
In order to realize the 3rd purpose, the invention provides a kind of testing fixture of end fitting, be used to check the installment state of the end fitting on the insulator, above-mentioned end fitting is installed on the insulator, and electric wire is bonded and is connected on the end fitting, and this testing fixture comprises:
Image pick up equipment is used to pick up the image that is installed in the end fitting on the insulator;
Extraction equipment, be used for (1) memory image reference data, the image reference data have comprised a plurality of images of the flawless end fitting that is installed on the insulator, be used for the image of the end fitting that (2) relatively picks up by image pick up equipment and a plurality of images of the flawless end fitting of image reference data, and be used for (3) and from the image of image reference data, extract and the most similar image of end fitting image that picks up by image pick up equipment; With
Judgment device, the image that is used for the end fitting that picks up by the most similar image with by image pick up equipment is judged the quality of the end fitting installment state on the insulator.
According to said structure, because storage in advance will be installed in the image of the end fitting on the insulator.Therefore, in these images, just can extract and the most similar image of image that picks up by image pick up equipment.
Therefore, the most similar to the image that is picked up by image pick up equipment image is included in the image reference data probably.What therefore, the image that is picked up by image pick up equipment may be with from the most similar image of the image of being stored in the image reference data is very consistent.In addition, the image of the end fitting that picks up by the most similar image with by image pick up equipment of the quality of the installment state of the end fitting on the insulator is judged.Therefore, just can avoid producing and detect mistake, as indefectible element is judged as defective element.
Preferably, image is a numerical information, and wherein luminous energy is represented with many grades,
The image of the end fitting that extraction equipment is picked up by image pick up equipment with the comparison of standardization correlation technique and a plurality of images in the image reference data, so that with the standardization correlation technique from these images, obtain have the image of high correlation be configured to the most similar described image and
Judgment device just judges that when correlation is equal to or greater than setting threshold the quality of the end fitting installment state on the insulator is good, and just judges the poor quality of installment state during less than setting threshold at correlation.
In the above-described configuration, used the standardization correlation technique.That is to say, two width of cloth images that are carried out comparison can relatively be moved, amplify and dwindle so that make their size mate (that is, realize standardization) mutually.After standardization, just carry out relevant can calculate the correlation of consistent degree between expression two width of cloth images.
Owing to carried out the standardization correlation technique, two width of cloth images that its luminous energy is represented with many grades mate mutually.The image of same terminal accessory approximately has identical variable quantity each other in light intensity.Therefore, the consistent degree between the same terminal accessory image is compared with the situation that will compare mutually at the image of binary condition record and will be become higher.Thereby, owing to the image that is picked up by image pick up equipment is very consistent with the most similar image.Therefore, just can avoid producing and detect mistake, as indefectible element is judged as defective element.
In order to realize the 3rd purpose, the invention provides a kind of testing fixture of end fitting, be used to check that the pressure welding of lead and end fitting connects state, above-mentioned end fitting is installed on the insulator, and electric wire is bonded and is connected on the end fitting, and this testing fixture comprises:
Image pick up equipment is used to pick up the image that is installed in the end fitting on the insulator, and electric wire and end fitting pressure welding connect;
The second extraction equipment, be used for (1) storage second image reference data, the second image reference data have comprised and have been installed on the insulator, electric wire is a plurality of images of the flawless end fitting that connects of pressure welding with it, be used for that (2) relatively picked up fully by image pickup, electric wire is the image of the end fitting that connects of pressure welding with it, with a plurality of images of the flawless end fitting that connects of pressure welding with it of electric wire in the second image reference data, and be used for (3) image and extract and the electric wire that picks up by the image pick up equipment the most similar image of end fitting image that connects of pressure welding with it from the second image reference data; With
Second judgment device, be used for by the most similar image and pick up by image pick up equipment, electric wire with it the pressure welding image that connects and be installed in the end fitting on the insulator judge electric wire with it pressure welding connect and be installed in end fitting on the insulator and the pressure welding of electric wire connects state quality.
According to said structure, owing to stored many images that are installed in the end fitting on the insulator in advance, electric wire and end fitting pressure welding connect.Therefore, in these images, just can extract and the most similar image of image that picks up by image pick up equipment.
Therefore, the most similar to the image that is picked up by image pick up equipment image is included in the second image reference data probably.What therefore, the image of the end fitting that is picked up by image pick up equipment may be with from the most similar image of the image of being stored in the second image reference data is very consistent.In addition, electric wire connects quality to the pressure welding of end fitting on being installed in insulator and judges by the most similar image with by the image that image pick up equipment picks up.Therefore, just can avoid producing and detect mistake, as indefectible element is judged as defective element.
Preferably, image is a numerical information, and wherein luminous energy is represented with many grades,
That the second extraction equipment is picked up by image pick up equipment with the comparison of standardization correlation technique, electric wire is the image of the end fitting that connects of pressure welding and a plurality of images in the second image reference data with it, so that with the standardization correlation technique from these images, obtain have the image of high correlation be configured to the most similar described image and
It is good that second judgment device just judges that when correlation is equal to or greater than setting threshold electric wire and end fitting pressure welding connect the quality of state, and just judge that pressure welding meets the poor quality of state at correlation during less than setting threshold.
In the above-described configuration, used the standardization correlation technique.That is to say, two width of cloth images that are carried out comparison can relatively be moved, amplify and dwindle so that make their size mate (that is, realize standardization) mutually.After standardization, carry out relevant can calculate the correlation of consistent degree between expression two width of cloth images.
Owing to realized the standardization correlation technique, two width of cloth images that its luminous energy is represented with many grades mate mutually.The image of same terminal accessory approximately has identical variable quantity each other in light intensity.Therefore, the consistent degree between the same terminal accessory image is compared with the situation that will compare mutually at the image of binary condition record and will be become higher.Thereby, owing to the image that is picked up by image pick up equipment is very consistent with the most similar image, therefore, just can avoids producing and detect mistake, be judged as defective element as nothing being got the defect element.
In order to realize the 3rd purpose, the invention provides a kind of testing fixture of end fitting, be used to check that the installment state of end fitting on the insulator and the pressure welding of electric wire connect state, above-mentioned end fitting is installed on the insulator, electric wire is bonded and is connected on the end fitting, and this testing fixture comprises:
Image pick up equipment is used to pick up the image that is installed in the end fitting on the insulator;
Extraction equipment, be used for (1) memory image reference data, the image reference data have comprised a plurality of images of the flawless end fitting that is installed on the insulator, be used for the image of the end fitting that (2) relatively picks up by image pick up equipment and a plurality of images of the flawless end fitting of image reference data, and be used for (3) and from the image of image reference data, extract and the most similar image of end fitting image that picks up by image pick up equipment; With
Judgment device, the image that is used for the end fitting that picks up by the most similar image with by image pick up equipment is judged the quality of the end fitting installment state on the insulator;
The second extraction equipment, be used for (1) storage second image reference data, the second image reference data have comprised and have been installed on the insulator, electric wire is a plurality of images of the flawless end fitting that connects of pressure welding with it, be used for that (2) relatively picked up by image pick up equipment, electric wire is the image of the end fitting that connects of pressure welding with it, with electric wire in the second image reference data with it the flawless end fitting that connects of pressure welding a plurality of images and be used for (3) and extract and pick up by image pick up equipment from the image of the second image reference data, electric wire is the most similar image of end fitting image that connects of pressure welding with it; With
Second judgment device, be used for by the most similar image and pick up by image pick up equipment, electric wire with it the pressure welding image that connects and be installed in the end fitting on the insulator judge electric wire with it pressure welding connect and be installed in end fitting on the insulator and the pressure welding of electric wire connects state quality.
According to said structure, owing to stored many images of the end fitting that is installed on the insulator and electric wire many images of the end fitting that connects of pressure welding with it in advance.Therefore, in these images, just can extract and the most similar image of image that picks up by image pick up equipment.
Therefore, the most similar to the image that is picked up by image pick up equipment image is included in the image reference data and the second image reference data probably.What therefore, the image of the end fitting that is picked up by image pick up equipment may be with from the most similar image of the image of being stored in the image reference data is very consistent.In addition, the quality of the installment state of the end fitting quality that pressure welding connects state with electric wire is judged by the most similar image with by the image that image pick up equipment picks up on the insulator.Therefore, just can avoid producing and detect mistake, as indefectible element is judged as defective element.
Preferably, image is a numerical information, and wherein luminous energy is represented with many grades,
The image of the end fitting that extraction equipment is picked up by image pick up equipment with the comparison of standardization correlation technique and a plurality of images in the image reference data, so that with the standardization correlation technique from these images, obtain have the image of high correlation be configured to the most similar described image and
Judgment device just judges that when correlation is equal to or greater than setting threshold the quality of the end fitting installment state on the insulator is good, and just judges the poor quality of installment state during less than setting threshold at correlation.
That the second extraction equipment is picked up by image pick up equipment with the comparison of standardization correlation technique, electric wire is the image of the end fitting that connects of pressure welding and a plurality of images in the second image reference data with it, so that with the standardization correlation technique from these images, obtain have the image of high correlation be configured to the most similar described image and
It is good that second judgment device just judges that when correlation is equal to or greater than setting threshold electric wire and end fitting pressure welding connect the quality of state, and just judge that pressure welding meets the poor quality of state at correlation during less than setting threshold.
In the above-described configuration, used the standardization correlation technique.That is to say, two width of cloth images that are carried out comparison can relatively be moved, amplify and dwindle so that make their size mate (that is, realize standardization) mutually.After standardization, carry out relevant can calculate the correlation of consistent degree between expression two width of cloth images.
Owing to carried out the standardization correlation technique, two width of cloth images that its luminous energy is represented with many grades mate mutually.The image of same terminal accessory approximately has identical variable quantity each other in light intensity.Therefore, the consistent degree between the same terminal accessory image is compared with the situation that the image that writes down in binary condition compares mutually and will be become higher.Thereby,, therefore, just can avoid producing and detect mistake, as indefectible element is judged as defective element owing to the image that is picked up by image pick up equipment is very consistent with the most similar image.
Preferably, end fitting has the pressure welding fitting that an electric wire and its pressure welding connect and the ca(u)lk spare of a ca(u)lk electric wire,
This image pick up equipment picks up piece image at least from the image of the image of pressure welding fitting and ca(u)lk spare,
The image reference data comprise at least one group of image in each pressure welding fitting image and each ca(u)lk spare image,
Extraction equipment will be compared with at least one group of image in each ca(u)lk spare image with each the pressure welding fitting image that is included in the image reference data by pressure welding fitting image and the piece image at least in the ca(u)lk spare image that image pick up equipment picks up.
According to said structure, the quality of end fitting is judged by using at least one group of image in pressure welding fitting image and the ca(u)lk spare image.Therefore, at least green grass or young crops judge reliably electric wire whether be connected on the end fitting by pressure welding reliably and end fitting whether reliably the ca(u)lk electric wire these two one of.
Preferably, end fitting has the pressure welding fitting that an electric wire and its pressure welding connect and the ca(u)lk spare of a ca(u)lk electric wire,
This image pick up equipment from electric wire with it the pressure welding fitting that connects of pressure welding image and be used for the image of the ca(u)lk spare of electric wire ca(u)lk is picked up piece image at least,
The second image reference data comprise electric wire with it the pressure welding fitting that connects of pressure welding each image and be used at least one group of image to each image of the ca(u)lk spare of electric wire ca(u)lk,
The electric wire that extraction equipment will be picked up by image pick up equipment with it the pressure welding fitting image that connects of pressure welding and be used for to the piece image at least of the ca(u)lk spare image of electric wire ca(u)lk and be included in the second image reference data electric wire with it the pressure welding fitting that connects of pressure welding each image and be used at least one group of image of each image of the ca(u)lk spare of electric wire ca(u)lk compared.
According to said structure, the pressure welding of electric wire and end fitting connects quality and judges by using at least one group of image in pressure welding fitting image and the ca(u)lk spare image.Therefore, can judge reliably at least electric wire whether be connected on the end fitting by pressure welding reliably and end fitting whether reliably the ca(u)lk electric wire these two one of.
Description of drawings
Fig. 1 is the composition synoptic diagram of explanation according to the testing fixture of the electrical junction box of first embodiment of the invention;
Fig. 2 is the form of explanation with the image reference data of the image processing equipment storage of testing fixture shown in Figure 1;
Fig. 3 is the form of explanation with the standard reference data of the image processing equipment storage of testing fixture shown in Figure 1;
Fig. 4 is the view of explanation with the CCD camera captured image example of testing fixture shown in Figure 1;
Fig. 5 is the process flow diagram of explanation with the inspection flow process of testing fixture shown in Figure 1;
Fig. 6 is the skeleton view of explanation as the electrical junction box example of the inspection main body of testing fixture shown in Figure 1;
Fig. 7 is the process flow diagram of explanation according to the inspection flow process of the testing fixture of second embodiment of the invention;
Fig. 8 is the composition synoptic diagram of explanation according to the testing fixture of the end fitting of third embodiment of the invention;
Fig. 9 is the form of explanation with the image reference data of the image processing equipment storage of testing fixture shown in Figure 8;
Figure 10 is the form that an example of comparing data of storing with the image processing equipment of testing fixture shown in Figure 8 before the electric wire pressure welding connects is described;
Figure 11 is the form that another example of comparing data of storing with the image processing equipment of testing fixture shown in Figure 8 before the electric wire pressure welding connects is described;
Figure 12 is the example that the pressure welding that is used for terminal box that explanation is picked up with the CCD camera of testing fixture shown in Figure 8 before the electric wire pressure welding connects connects terminal (hereinafter, be referred to as the JB pressure welding and connect terminal) image;
Figure 13 is another example that JB pressure welding that explanation is picked up with the CCD camera of testing fixture shown in Figure 8 before the electric wire pressure welding connects connects terminal image;
Figure 14 is the form of explanation with the second image reference data of the image processing equipment storage of testing fixture shown in Figure 8;
Figure 15 is that explanation connects the form of back with an example of comparing data of the image processing equipment storage of testing fixture shown in Figure 8 in the electric wire pressure welding;
Figure 16 is that explanation connects the form of back with another example of comparing data of the image processing equipment storage of testing fixture shown in Figure 8 in the electric wire pressure welding;
Figure 17 is that explanation connects the example that back JB pressure welding of picking up with the CCD camera of testing fixture shown in Figure 8 connects terminal image in the electric wire pressure welding;
Figure 18 is that explanation connects another example that back JB pressure welding of picking up with the CCD camera of testing fixture shown in Figure 8 connects terminal image in the electric wire pressure welding;
Figure 19 is the skeleton view of explanation pressure welding fishplate bar, wherein will be connect terminal by the JB pressure welding that testing fixture shown in Figure 8 is checked and be installed on this pressure welding fishplate bar;
Figure 20 is the skeleton view that the JB pressure welding of being checked by testing fixture shown in Figure 8 is connect terminal;
Figure 21 is the process flow diagram that explanation testing fixture shown in Figure 8 is checked flow process;
Figure 22 is that explanation checks that in Figure 21 process flow diagram the JB pressure welding on the pressure welding fishplate bar connects the process flow diagram of the installment state flow process of terminal;
Figure 23 is that explanation checks that in Figure 21 process flow diagram pressure welding that electric wire and JB pressure welding connect terminal connects the process flow diagram of state flow process;
Figure 24 is that explanation will be connect the skeleton view of another example of terminal by the pressure welding that testing fixture shown in Figure 8 is checked;
Figure 25 is illustrated in and checks before the electric wire pressure welding connects that pressure welding shown in Figure 24 connects the state of terminal and the view of connector shell;
Figure 26 is illustrated in the electric wire pressure welding and connects the back and check that pressure welding shown in Figure 24 connects the state of terminal and the view of connector shell.
Embodiment
Hereinafter, will explain testing fixture (hereinafter, abbreviating testing fixture as) 1 with reference to figure 1-6 according to the electrical junction box of first embodiment of the invention.Whether testing fixture 1 is as shown in Figure 1 checked as each fuse 14 with electrical equipment of required bullets and is installed on the respective holder 13 in the electrical junction box shown in Figure 6 12.This testing fixture 1 for example uses in the step of the electric continuity of detecting electric terminal box 12.
In the test of above-mentioned electric continuity, whether fuse 14 is installed on the respective holder 13 is by the receiving end of the function of current in electrical junction box 12 (below make explanations) checked.In this electric continuity test, can not judge whether the bullets of the fuse 14 that is installed on the support 13 is correct.
As shown in Figure 6, electrical junction box 12 comprises a box body 15, many supports 13 and fuse 14.A plurality of walls 17 of offering an opening 16 on the surperficial 15a of support 13 in a plurality of surfaces of box body 15 and around this opening 16, extending.Opening 16 forms rectangle in plan view.Support 13 holds a pair of receiving terminal that is connected with electric wire etc.
Fuse element is contained in the shell 20, and a pair of terminal 21 is interconnected.When the current value of the power supply that provides by terminal 21 surpassed the current value of setting, fuse element will melt.
As for fuse 14, set the different current values and the allowable current value of fuse element fusing.The bullets of fuse 14 is according to definition such as allowable current values.That is, fuse 14 has different allowable current values according to its bullets.
As JIS (Japanese Industrial Standards) was described, allowable current was defined as maximum current, had not been damaged for the certain conduction time week after date of process under its defined terms at fuse element under this maximum current.On the outside surface of the shell 20 of fuse 14, be provided with a mark 18, expression allowable current value is set as different according to the bullets of fuse 14.
In this manual, its allowable current is that the fuse 14 of 10A (ampere) is defined as the fuse 14a with bullets A hereinafter.Its allowable current is that the fuse 14 of 20A (ampere) is defined as the fuse 14b with bullets B hereinafter.Its allowable current is that the fuse 14 of 30A (ampere) is defined as the fuse 14c with bullets C hereinafter.
On the outside surface of fuse 14a shell 20, form the mark 18a of " 10A ".On the outside surface of fuse 14b shell 20, form a 20A " mark 18b.On the outside surface of fuse 14c shell 20, form a 30A " mark 18c.
As shown in Figure 1, testing fixture 1 comprises an illuminating lamp 4 as light source, one CCD camera 5 as image pick up equipment, one image processing equipment 7 as extraction element, opertaing device 8, one check-out consoles 9, one actuating arm unit 10 as judgment means, input equipment 24, display device 25 and as the output device 26 of output unit.
In the drawings, CCD camera 5 has a two-dimensional image sensor, and the imageing sensor of wherein forming pixel guides camera lens to two-dimensional image sensor with two-dimensional arrangements and with image.In CCD camera 5, two-dimensional image sensor detects luminous energy by luminous energy being divided into a plurality of grades.
That is to say the luminous energy that CCD camera 5 detects with each pixel of two-dimensional arrangements.CCD camera 5 picks up so-called black white image with brightness and shade.CCD camera 5 can pick up partial insurance silk 14a at least, the mark 18a of 14b and 14c, the piece image of 18b and 18c from the fuse 14a in the terminal box 12 among 14b and the 14c.
The checked fuse 14a of output device 26 outputs, the quality of the installment state of 14b and 14c etc.As output device 26, can use known printer that can print check result and the CD-ROM driving arrangement that check result can be write different recording medium (as CD-ROM) as electronic information.
Check-out console 9 has a horizontally extending plane 9a, and checked terminal box 12 is positioned on this plane.
In the drawings, X-axis arm 32 relative Z armshafts 31 are removable along the arrow Z among Fig. 1, arrow Z vertical arrows Y, and along vertical direction.X-axis arm 32 is the arm shape, extends in the direction along surperficial 9a and vertical arrows Y.In the drawings, the X-axis arm extends along the arrow X with respect to arrow Y and Z intersection.
Y-axis arm 33 is fixed by known linear guide rod 41, can move along the arrow directions X with respect to the X-axis arm.Linear guide rod 41 has a guide rail 41a and who is installed on the X-axis arm who extends along arrow X and is arranged to the slide block 41b that can slide with respect to guide rail 41a.
One end of Y-axis arm 33 is fixed on the slide block 41b.Y-axis arm 33 is the arm shape, extends along arrow Y.One CCD camera 5 is installed on the opposite end of Y-axis arm 33.
One illuminating lamp 4 is installed on the slide block 41b by a fixed arm 42.This fixed arm 42 is the arm shape, extends along arrow Y, and the one end is fixed on the slide block 41b.Illuminating lamp 4 is installed on the opposite end of fixed arm 42.
Drive control part 29 drives cylinder or motor in response to the instruction that opertaing device 8 sends, and cylinder or motor are used for driving arm 30, X-axis arm 32 and Y-axis arm 33.Owing to have above-mentioned formation, actuating arm unit 10 just can be along arrow Y shown in Figure 1, Z and X movable illumination device 4 and CCD camera 5.The instruction that this actuating arm unit 10 sends in response to opertaing device 8 makes CCD camera 5 be in a CCD camera 5 can pick up all fuse 14a in the terminal box 12, the position of the image of 14b and 14c.
Image processing equipment 7 is one to comprise known central processing unit (CPU), the computing machine of ROM (read-only memory) (ROM) and random-access memory (ram).Image processing equipment 7 and illuminating lamp 4, CCD camera 5, display device 25 is connected with opertaing device 8.
This image processing equipment 7 receives the fuse 14a that picks up by CCD camera 5, every width of cloth image E of 14b and 14c (among Fig. 4 by the parts of a long line that replaces and two short dot-and-dash line encirclements), and store this image.This image is a digital picture, and wherein luminous energy is represented with 256 grades in each pixel of two-dimensional arrangements.
7 storages of this image processing equipment from CCD camera 5 digital pictures with checked R0, R1, R2, R3,---and the position of RN part (part of being surrounded by a length that replaces and short dot-and-dash line among Fig. 4).Here, with checked each part R0, R1, R2, R3,---and RN be one from be installed in the fuse 14a on the respective holder 13 terminal box 12, in the image of 14b and 14c with respect to each fuse 14a, 14b and 14c and the part that provides, it comprises fuse 14a respectively, mark 18a, 18b and the 18c of 14b and 14c.
These image processing equipment 7 storages image reference data 2 shown in Figure 2.These image reference data 2 are stored several and the corresponding fuse 14a with the whole bullets that use, each mark 18a that 14b is relative with 14c, the image of 18b and 18c in terminal box 12.That is to say that these image reference data 2 storages comprise the image of the mark 18 of the fuse 14 of whole bullets of use in the terminal box 12.Storage comprises the multiple image of the mark 18 of the fuse 14 with a bullets.In these images, exist to have mark 18a, the different luminous effects of 18b and 18c or the different images of different situations.
This image processing equipment 7 will checked R0, R1, and R2, R3,---and every width of cloth image of RN part is compared with all images in being stored in image reference data 2.That is, this image processing equipment 7 will comprise the mark 18 of the fuse 14 that is installed on the respective holder and be compared with all images in being stored in image reference data 2 by the image that CCD camera 5 picks up.
Will checked R0 at image processing equipment 7, R1, R2, R3,---and every width of cloth image of RN part is when comparing with the respective image in being stored in image reference data 2, at first operative norm processing of equipment 7.In standardisation process, two width of cloth images that compare are relatively moved, and amplify and dwindle size (that is standardization) to regulate them.After this, according to known correlation technique, calculate the correlation of the consistent degree between expression two width of cloth images.Therefore, image processing equipment 7 just can will checked R0 by using the standardization correlation technique, R1, and R2, R3,---and every width of cloth image of RN part is compared with the respective image in being stored in image reference data 2.
Image processing equipment 7 is from respect to checked each part R0, R1, and R2, R3,---and the image that RN is stored in the image reference data extracts the image with maximum related value.Image processing equipment 7 is determined and the bullets with corresponding fuse 14 of image of maximum related value.The image setting that image processing equipment 7 will have maximum related value is the most similar image.
Therefore, extract the image of image processing equipment 7 in being stored in the image reference data have with checked R0, R1, R2, R3,---, the bullets of the fuse 14 of the image the most similar with every width of cloth image of RN part.Image processing equipment 7 will be with respect to checked each part R0, R1, and R2, R3,---and the bullets of the fuse 14 with similar image that extracted of RN is exported to opertaing device 8.In addition, this image processing equipment 7 is exported to the image in the comparison procedure display device 25 of display image.
As for testing fixture 1 according to this most preferred embodiment, when checking terminal box 12, at first in step S1 as shown in Figure 5, opertaing device 8 controlling and driving control parts 29 are exported to image processing equipment 7 with this with this image can make CCD camera 5 towards fuse 14 with make the CCD camera pick up the image of fuse 14 in the terminal box 12.The image that image processing equipment 7 storage CCD cameras transmit, this system just enters step S2.
In step S1, the image that picks up and be stored in the opertaing device 8 by CCD camera 5 is the two-dimensional digital image that a luminous energy is represented with 256 grades.
In step S2, image processing equipment 7 extracts from the image that is picked up by CCD camera 5 checked part R0, R1, and R2, R3,---and the image of RN.Image processing equipment 7 will checked part R0, R1, and R2, R3,---and every width of cloth image of RN compares with all images that is stored in the image reference data 2.Enter step S3 then.
In step S3, image processing equipment 7 from image reference data 2, extract with checked part R0, R1, R2, R3,---, with the most similar image of every width of cloth image of RN.Image processing equipment 7 extract have with checked each part R0, R1, R2, R3,---, the bullets of the fuse 14 of the image the most similar with every width of cloth image of RN.Then, image processing equipment 7 will have the bullets of the fuse 14 of similar image and export to opertaing device 8, enter step S4 then.
In step S4, it judges image processing equipment 7 whether with respect to checked part R0, R1, and R2, R3,---and all images of RN extracts the bullets of the fuse 14 with similar image.If the judgment is Yes, this system just enters step S5.On the contrary, if the judgment is No, that is, if exist with checked part R0, R1, R2, R3,---, and RN, the bullets that wherein has the fuse 14 of similar image does not extract, and this system just returns step S2, and restarts from step S2.
In step S5, opertaing device 8 will have with checked part R0, R1, R2, R3,---, the bullets and the normal data 3 of the fuse 14 of the image the most similar with the RN image compare.All have with checked part R0, R1, R2, R3,---, when the bullets of the fuse 14 of the image the most similar with the RN image and normal data 3 are consistent, opertaing device 8 just judges that the installment state of fuse 14 in the terminal box 12 is good,, judges that terminal box 12 is indefectible that is.
On the other hand, at least one of them have with checked part R0, R1, R2, R3,---, when the bullets of the fuse 14 of the image the most similar with the RN image and normal data 3 are inconsistent, opertaing device 8 just will have been installed the support of the fuse 14 with incorrect bullets, promptly comprise such support with checked part, export to output device 26.
In addition, at least one of them have with checked part R0, R1, R2, R3,---, when the bullets of the fuse 14 of the image the most similar with the RN image and normal data 3 were inconsistent, opertaing device 8 just judged that the installment state of fuse 14 in the terminal box 12 is bad, promptly, judge that terminal box 12 has flaw, enter step S6 then.
In step S6, the judged result of opertaing device 8 is used printout through output device 26, and is stored in the above-mentioned storage medium.
According to this most preferred embodiment, image processing equipment 7 will be installed in fuse 14a in the terminal box 12 in advance, and the multiple image of 14b and 14c is stored in the image reference data.Image processing equipment 7 extracts the most similar to the image that is picked up by CCD camera 5 image from image reference data 2.
Therefore, because multiple image stores with respect to a bullets, therefore the consistent degree between image that is picked up by CCD camera 5 and the similar image is higher.Thereby, can easily distinguish each the fuse 14a that is installed on the support 13, the bullets of 14b and 14c promptly, can easily detect the alignment error of fuse 14.
Whether the bullets and the normal data of the fuse 14 of opertaing device 8 by will having similar image compare judicious fuse 14 to be installed on the respective holder 13.Therefore, when the bullets of the fuse 14 with similar image that extracts through image processing equipment 7 is wrong, just can detect the rack-mount fuse with wrong bullets 14 reliably.Therefore, always can make right judgement.
In addition, image that will be picked up by CCD camera 5 and the image in the image reference data just can use the standardization correlation technique relatively the time.Image is carried out coupling (comparison) mutually, and wherein luminous energy progressively changes.Therefore, the consistent degree that has between the image of identical items symbol is just higher.
Therefore, the consistent degree in image that is picked up by CCD camera 5 and the image reference data between the similar image is higher, just can distinguish the bullets of the fuse 14 that is installed on the support 13 with this reliablely.Therefore, can detect the alignment error of fuse 14 more reliably.
Hereinafter, will explain the testing fixture 1 of second most preferred embodiment with reference to figure 7 according to the present invention.The label that step is identical is used for each roughly the same step.
Has identical structure according to the testing fixture 1 of second most preferred embodiment with testing fixture according to as shown in Figure 1 first most preferred embodiment.According to the image processing equipment 7 of present embodiment testing fixture 1 also storage standards data 3 and image reference data 2.
Image processing equipment 7 receives the image E of the terminal box 12 of being picked up by CCD camera 5, and preserves this image.Image processing equipment 7 extracts the bullets that correctly is installed in the fuse 14 on the respective holder according to normal data 3.Image processing equipment 7 will be examined part R0, R1, and R2, R3,---and every width of cloth image of RN compares with all images that is stored in fuse 14 in the image reference data 2, that have correct bullets.
When image was compared mutually, image processing equipment 7 used a kind of standardization correlation technique identical with first embodiment.Image processing equipment 7 will be examined each correlation of the image of part with respect to every width of cloth image calculation of the fuse 14 with correct bullets.
Image processing equipment 7 extracts the image that has maximum related value with respect to the image that will be examined part, then maximum related value is exported to opertaing device 8.
When if correlation is equal to or greater than setting value, opertaing device 8 just judges that the fuse 14 with correct bullets is installed on the support 13.On the contrary, if correlation during less than setting value, opertaing device 8 just judges that the fuse 14 with incorrect bullets is installed on the support 13.
All supports 13 have been installed when having the fuse 14 of correct bullets, and opertaing device 8 just judges that terminal box 12 is indefectible product.On the contrary, the support 13 of one of them has been installed when having the fuse 14 of incorrect bullets at least, and opertaing device 8 just judges that terminal box 12 is for there being flaw product.Opertaing device 8 will judge that whether terminal box 12 is that the result of indefectible product exports to output device 26.When being judged as flaw product, judgment device 8 just will have been installed the support 13 of the fuse 14 with incorrect bullets and exported to output device 26.
Judge the quality of the installment state of fuse 14 according to process flow diagram shown in Figure 7 according to the testing fixture 1 of this most preferred embodiment.Identical with above-mentioned first embodiment, in step S1, CCD camera 5 captured image E, the image of image processing equipment 7 storage CCD cameras 5 enters step S2a then.
In step S2a, according to normal data 3, image processing equipment 7 extracts the bullets that will be installed in the fuse 14 on each support 13, promptly correctly be installed in the bullets of the fuse 14 on the respective holder, be illustrated among the figure checked each part R0, R1, R2, R3,---and among the RN.
Then, by using the standardization correlation technique, every width of cloth image that image processing equipment 7 will be examined part compares with all images that is stored in the fuse 14 that has correct bullets in the image reference data 2.Extract maximum related value the image correlation of image processing equipment 7 in image reference data 2, enter step S4 then.
In step S4, it is judged whether image processing equipment 7 has extracted and will be examined part R0, R1, and R2, R3,---and the maximum related value of all images of RN.If the judgment is Yes, this system just enters step S5.On the contrary, if the judgment is No, that is, if exist one also therefrom do not extract maximum related value with checked part R0, R1, R2, R3,---, or RN, then this system just turns back to step S2, S2 restarts from step.
In step S5a, opertaing device 8 will compare being examined maximum related value and the setting value that each part extracts.When all maximum related value were equal to or greater than setting value, opertaing device 8 just judged that the installment state of fuse 14 is good, that is, terminal box 12 is indefectible product.
On the other hand, when the maximum related value of one of them is less than setting value at least, opertaing device 8 just will have been installed the support 13 of the fuse 14 with incorrect bullets, promptly comprise such support 13 with checked part, export to output device 26, judge that the installment state of fuse 14 is bad, promptly, judge that terminal box for flaw product is arranged, enters step S6 then.
In step S6, the judged result of opertaing device 8 is used printout through output device 26, and is stored in the above-mentioned storage medium.
According to this most preferred embodiment, will compare by CCD camera 5 image that picks up and the multiple image that is installed in the fuse 14 that has correct bullets on the support 13 by using the standardization correlation technique.According to the correlation by the relevant acquisition of standardization, it can judge whether the fuse 14 with correct bullets is installed on the respective holder 13.
With each the fuse 14a that is installed in the terminal box 12, the multiple image of 14b and 14c is stored in the image reference data 2.Therefore, the most similar to fuse 14 images that picked up by CCD camera 5 image is included in the image reference data 2 probably.
Therefore, consistent degree in image that is picked up by CCD camera 5 and the image reference data 2 between the similar image of the image of storage is higher, just can judge that reliablely whether fuse 14 correctly is installed on the respective holder 13,, can detect the alignment error of fuse 14 that is with this.
In addition, because image processing equipment 7 uses the standardization correlation technique when carrying out mutually image relatively, the consistent degree that therefore has between the image of fuse 14 of identical items symbol is higher.Therefore, just can distinguish the bullets of the fuse 14 that is installed on the support 13 reliablely, that is, can detect the alignment error of fuse 14 more reliably.
In addition, because image processing equipment 7 only uses the image that correctly is installed in the fuse 14 on the respective holder 13, when comparing these images mutually, therefore just can shorten the time cycle that relatively takies.Thereby, just can reduce and check the required time cycle of terminal box.
For testing fixture 1 according to first and second most preferred embodiments, if to have in each fuse 14 be correct installation really, but be judged as the fuse 14 that correctly is not installed on the support 13, opertaing device 8 just will comprise preferably that the image of fuse 14 of this correct installation of mark 18 is added in the image in the image reference data 2.
According to said structure, be included in probably in the image that is stored in the image reference data 2 by CCD camera 5 images with fuse 14 image similarities that pick up.Therefore, consistent degree between image that is picked up by CCD camera 5 and the similar image that extracts from image reference data 2 is higher, thereby just can distinguish the bullets of the fuse 14 that is installed on the support 13 reliablely, that is, can detect the alignment error of fuse 14 more reliably.
In addition, can judge the quality of the installment state of the fuse 14 that is installed on the terminal box 12 according to the testing fixture 1 of first and second most preferred embodiments.In the present invention, replace the bullets of fuse 14, also can judge relay, the quality of diode and fuse installment state by the bullets that uses electrical equipment (as relay, diode and fuse).
By using testing fixture 1, check the inspection method of electrical equipment below can obtaining according to first and second most preferred embodiments.One of them is to the inspection method as the fuse 14 of electrical equipment, comprises the following steps:
Store a plurality of images in advance as the fuse 14 of flawless electrical equipment;
According to the image of the image of checked fuse 14 and many flawless fuses 14 is judged whether the fuse 14 with correct bullets is installed on the support 13, that is, whether indefectiblely judge checked fuse 14.
Another kind comprises the following steps: fuse 14 inspection methods as electrical equipment
Store a plurality of images in advance as the fuse 14 of flawless electrical equipment;
A plurality of images of the image of more checked fuse 14 and flawless fuse 14;
From a plurality of images of flawless fuse 14, extract a width of cloth to the most similar image of checked fuse 14 images; With
Judge according to the most similar image with checked fuse 14 images whether the fuse 14 with correct bullets is installed on the support 13, that is, whether indefectiblely judge checked fuse 14.
For above-mentioned inspection method, many images of flawless fuse 14 have been stored in advance.So, be included in probably in many flawless fuse 14 images of storing to image that checked fuse 14 images are the most similar.Therefore, the consistent degree between the image that checked fuse 14 images and the image with checked fuse 14 in many flawless fuse 14 images of storing is the most similar is higher.Therefore, just can prevent from the quality of fuse 14 is produced wrong judgement, that is, can judge the quality of fuse 14 reliably.
Hereinafter, will explain the testing fixture of the inspection end fitting of the 3rd most preferred embodiment with reference to figure 8-23 according to the present invention.Parts identical in the testing fixture 1 of the terminal box that each is described with first and second most preferred embodiments basically use identical reference number.
The testing fixture described in this most preferred embodiment 100 is checked and is installed in as connecing the quality of the installment state of terminal 50 as the pressure welding that is used for JB (terminal box) of end fitting on the pressure welding fishplate bar 60 of insulator, as shown in figure 19.In addition, this testing fixture 100 checks that pressure welding that electric wires 6 and the pressure welding that is installed in the JB on the pressure welding fishplate bar 60 connect terminal 50 connects the quality of state (stationary state).Here, connecing terminal 50 as the JB pressure welding of end fitting is a kind of electrical equipments of describing in this manual.
The pressure welding that is used for JB connects terminal 50 and obtains by crooked conductive metal sheet.As shown in figure 20, the pressure welding that is used for JB connects terminal 50 and has a wire connector 51, one electrical contacts 52 and many locking plates 58.Wire connector 51 has the planomural 55 of a placement electric wire 6, pair of sidewalls 56a and 56b, a ca(u)lk spare 53 and a pressure welding fitting 51a.
It is tabular that wall 55 forms bar.It is tabular that pair of sidewalls 56a and 56b also form bar.Pair of sidewalls 56a and 56b perpendicular to wall 55 upwards extend to two peripheries of wall 55 at its Width.Pair of sidewalls 56a and 56b will and the electric wire 6 that connects of pressure welding fitting 51a pressure welding be positioned between sidewall 56a and the 56b.
Ca(u)lk spare 53 perpendicular to wall 55 upwards extends to two peripheries of wall 55 at its Width.Ca(u)lk spare 53 is placed between ca(u)lk spare 53 and the wall 55 electric wire 6 can be suspended on wall 55 tops and securing electric lines 6 by making its bending.That is, ca(u)lk spare 53 with electric wire 6 ca(u)lks in wall 55.
Pressure welding fitting 51a has two pairs of opposed facing pressure weldings and meets blade 54a and 54b.Blade 54a and 54b are perpendicular to wall 55 upwards.A pair of blade 54a gives prominence at this oppose side wall 56a and the approaching mutually direction of 56b from sidewall 56a and 56b inside surface.A pair of pressure welding connects the coating layer portion of blade 54a incision electric wire 6 contacting with the core formation of electric wire 6 by the electric wire 6 that is crimped between a pair of blade 54a.A pair of blade 54b also gives prominence at this oppose side wall 56a and the approaching mutually direction of 56b from sidewall 56a and 56b inside surface.A pair of pressure welding connects the coating layer portion of blade 54b incision electric wire 6 contacting with the core formation of electric wire 6 by the electric wire 6 that is crimped between a pair of blade 54b.Pressure welding meets blade 54a and 54b is electrically connected with electric wire 6 formation, that is, pressure welding is connected in the electric wire 6.
This connection strap is made by conducting metal, and it is tabular to form bar.Electrical contact 52 is provided with in its post hole and connects spring leaf 57.This connection spring leaf 57 is pressed to the inside surface in post hole with connection strap, connection strap is formed with electrical contact 52 be electrically connected.
Pressure welding fishplate bar 60 is mutual when stacked, and connection strap just inserts in the post hole to be formed mutually and be electrically connected so that electrical contact 52 makes stacked JB pressure welding mutually connect terminal 50.Therefore, electrical contact 52 another JB pressure welding that can connect as another end fitting connects terminal.
Locking plate 58 forms by each sidewall 56a and 56b portion are separated otch.Each sidewall 56a and 56b are provided with locking plate 58.One end of locking plate 58 extends to sidewall 56a and 56b, and its other end leaves sidewall 56a and 56b.The other end of said locking plate 58 is prominent to the outside from the outside surface of sidewall 56a and 56b.When the JB pressure welding connect terminal 50 and is installed on the pressure welding fishplate bar 60, the other end of described locking plate 58 can engage with the inside surface of partition wall 63b (back lays down a definition).
Pressure welding connects terminal 50 for JB, and wire connector 51 is contained among the cell body 61a of cable holding groove 61 (back lays down a definition) of pressure welding fishplate bar 60, and electrical contact 52 is contained in the spatial accommodation 64 (back lays down a definition) of cable holding groove 61.The direction that shorten at the interval of locking plate 58 between the above-mentioned other end is pressed, and can be crimped in cell body 61a and the spatial accommodation 64 so that the JB pressure welding connects terminal 50, connects terminal 50 with this JB pressure welding and can be received (or fixing, or install) in pressure welding fishplate bar 60.
Pressure welding fishplate bar 60 is made by electric insulation resin, form tabular, that is, and plane tabular.As shown in figure 19, pressure welding fishplate bar 60 has a rectangle plate body 62, a plurality of cable holding grooves 61 and an electric wire fixture 67.This plate body 62 has a flat base wall 63a, an inwall 65 and a plurality of from base wall 63a partition wall 63b vertically upward.Inwall 65 extends to a periphery of the base wall inboard that is arranged in Figure 19.Inwall 65 is from base wall 63a vertical uplift.Partition wall 63b is arranged parallel to each other to keep a space each other.65 of partition wall 63b and inwalls form the right angle, along the length direction extension of plate body 62.
As shown in figure 19, cable holding groove 61 has cell body 61a and spatial accommodation 64.Cell body 61a forms by the inside surface of adjacent partition wall 63b and the surface of base wall 63a.Cell body 61a extends along partition wall 63b.Cell body 61a holds the wire connector 51 that electric wire 60 and JB pressure welding connect terminal 50.
Fitting piece 69 forms between cable holding groove 61 adjacent one another are along the Width of cable holding groove 61.Form between the lock pawl 68 of fitting piece 69 in being arranged in cable holding groove 61 adjacent one another are.Electric wire 6 is contained in the cable holding groove 61, and fitting piece 69 joint between lock pawl 68, and electric wire fixture 67 can prevent that electric wire 6 from coming out from a pair of lock pawl 68 thus.
Pressure welding fishplate bar 60 has a plurality of locking projecting parts 66 and projecting part (not shown) is held in a plurality of locking, and they are bonded with each other can laminate pressure welding fishplate bar 60 and and to be fixed.
Pressure welding fishplate bar 60 connects terminal 50 with pressure welding and is arranged on the base wall 63a along mutual rectangular both direction, and this both direction is the length direction of cell body 61a of cable holding groove 61 and the direction that cable holding groove 61 is arranged parallel to each other.That is, pressure welding fishplate bar 60 is arranged the JB pressure welding with the two-dimensional matrix type and is connect terminal 50 on base wall 63a.
In this manual, as Figure 12,13, shown in 17 and 18, when approaching the position appellation of electric wire fixture 67, the JB pressure welding of arranging along the direction of the cable holding groove that is arranged in parallel connects terminal 50 and is referred to as the first row JB pressure welding and connects terminal 50 (the length dot-and-dash line Q1 that is replaced among Figure 12 surrounds), the second row JB pressure welding connects terminal 50 (the length dot-and-dash line Q2 that is replaced among Figure 12 surrounds),---, (N-1) row JB pressure welding connects terminal 50 (the length dot-and-dash line QN-1 that is replaced among Figure 12 surrounds) and the capable JB pressure welding of N connects terminal 50 (the length dot-and-dash line QN that is replaced among Figure 12 surrounds).In this, connect terminal 50 from the JB pressure welding of arranging along the direction of the cable holding groove 61 that is arranged parallel to each other, JB pressure welding in odd-numbered line and the even number line connects terminal 50 and is installed in by this way on the pressure welding fishplate bar, that is: wherein, the relation of the position between wire connector 51 and the electrical contact 52 is reciprocal.
The JB pressure welding connects among the cell body 61a and spatial accommodation 64 that terminal 50 is installed in pressure welding fishplate bar 60.At this moment, making the JB pressure welding connect terminal 50 approaches base wall 63a and is installed on the plate body 62.The inside surface of locking plate 58 locking partition wall 63b, the JB pressure welding connects terminal 50 and is contained in the cable holding groove 61 then, is fixed on the pressure welding fishplate bar 60 with this.
Then, electric wire 6 pressure weldings are connected to the JB pressure welding that is contained in cell body 61a and the spatial accommodation 64 and connect on the terminal 50.At this moment, the pressure welding that electric wire 6 is crimped on wire connector 51 connects between blade 54a and the 54b, and is received in the cable holding groove 61.Connecing terminal 50 with JB pressure welding that identical electric wire 6 pressure weldings connect forms mutually and is electrically connected.
In the case, pressure welding fishplate bar 60 keeps the mode that a space is arranged parallel to each other each other with plate body 62 and laminates mutually.Then, make pressure welding fishplate bar 60 approaching mutually, locking projecting part 66 engages locking and holds projecting part, fixes each pressure welding fishplate bar 60 with this.Connection strap inserts in the post hole of setting hole and electrical contact 52, so pressure welding fishplate bar 60 constitutes a control panel.
Control panel is arranged in position that position on the base wall 63a and connection strap insert and is connected pressure welding and is connected to the JB pressure welding and connects electric wire 6 on the terminal 50 by selecting the JB pressure welding to connect terminal 50 according to the pattern of setting.
Testing fixture 100 checks that the JB pressure weldings connect on the desired location whether terminal 50 be installed in pressure welding fishplate bar 60 and the JB pressure welding of installing thus connects the quality of terminal 50.Connected wires before 6 in pressure welding, testing fixture 100 checks that the JB pressure welding connects the appearance of the electrical contact 5 of terminal 50, pressure welding fitting 51a and ca(u)lk spare 53.
In addition, testing fixture 100 check electric wire 6 whether pressure welding be connected to that pressure welding fitting 51a that the JB pressure welding that is installed on the pressure welding fishplate bar 60 connects terminal 50 goes up and ca(u)lk spare 53 ca(u)lk electric wire 6 whether reliably.Connect wires after 6 in pressure welding, testing fixture 100 checks that the JB pressure weldings connect appearance and the ca(u)lk spare 53 of the pressure welding fitting 51a of terminal 50.
In this most preferred embodiment, checked pressure welding fishplate bar 60 is placed on the surperficial 9a of check-out console 9.Illuminating lamp 4 is transmitted to light and is positioned on the check-out console 9 checked pressure welding fishplate bar 60.CCD camera 5 picks up the image that is positioned on the check-out console 9 checked pressure welding fishplate bar 60.CCD camera 5 picks up image and the pressure welding that the JB pressure welding that is installed on the pressure welding fishplate bar 60 connects terminal 50 and is connected to the image that the JB pressure welding connects electric wire 6 on the terminal 50.
Comparing data 3a, 3b, 3c and 3d represent, realizing correct the installation, and correct pressure welding connects and should be at each part Ra0 during correct ca(u)lk, Ra1, Ra2 ,-, Ra (N-2), Ra (N-1), RaN, Rb0, Rb1, Rb2 ,-, Rb (N-2), Rb (N-1), RbN, Rc0, Rc1, Rc2 ,-, Rc (N-2), Rc (N-1), RcN, Rd0, Rd1, Rd2 ,-, Rd (N-2), the JB pressure welding among Rd (N-1) and the RdN connects the parts of terminal 50.In this most preferred embodiment, electrical contact 52, pressure welding fitting 51a and ca(u)lk spare 53 connect the part of terminal 50 as the JB pressure welding.
The quality of the mode of operation of display device 25 demonstration testing fixtures 100 and the quality that checked JB pressure welding connects terminal 50.The JB pressure welding that output device 26 outputs are checked by testing fixture 100 connects the quality of terminal 50.
Image processing equipment 7 is corresponding to the extraction equipment of describing in this instructions and the second extraction equipment.Image processing equipment 7 receives and stores the image of the pressure welding fishplate bar that is picked up by CCD camera 5.In this respect, these images are digital pictures, and wherein their each luminous energy is represented with 256 grades, and each pixel of CCD camera 5 is with two-dimensional arrangements.
Image in the image processing equipment 7 storage CCD cameras 5 with checked part Ra0, Ra1, Ra2 ,-, Ra (N-2), Ra (N-1), RaN, Rb0, Rb1, Rb2 ,-, Rb (N-2), Rb (N-1), RbN, Rc0, Rc1, Rc2 ,-, Rc (N-2), Rc (N-1), RcN, Rd0, Rd1, Rd2 ,-, Rd (N-2), Rd (N-1), and the position of RdN (that is, Figure 12 replaces the part that the length dot-and-dash line surrounds with each in 13,17 and 18).To be examined part Ra0, Ra1, Ra2 ,-, Ra (N-2), Ra (N-1), RaN, Rb0, Rb1, Rb2,-, Rb (N-2), Rb (N-1), RbN, Rc0, Rc1, Rc2 ,-, Rc (N-2), Rc (N-1), RcN, Rd0, Rd1, Rd2,-, Rd (N-2), the position of Rd (N-1) and RdN inputs to image processing equipment 7 from input equipment 24.
With checked part Ra0, Ra1, Ra2 ,-, Ra (N-2), Ra (N-1), RaN, Rb0, Rb1, Rb2 ,-, Rb (N-2), Rb (N-1) and RbN comprise electrical contact 52, one of them part of pressure welding fitting 51a and ca(u)lk spare 53.With checked part Ra0, Ra1, Ra2 ,-, Ra (N-2), Ra (N-1) and RaN be before electric wire 6 pressure weldings connect in the odd-numbered line JB pressure welding connect the part of each parts of terminal 50.With checked part Rb0, Rb1, Rb2 ,-, Rb (N-2), Rb (N-1) and RbN be before electric wire 6 pressure weldings connect in the even number line JB pressure welding connect the part of terminal 50 each parts.
With checked part Rc0, Rc1, Rc2 ,-, Rc (N-2), Rc (N-1), RcN, Rd0, Rd1, Rd2 ,-, Rd (N-2), Rd (N-1) and RdN comprise that the JB pressure welding connects the part of the pressure welding fitting 51a or the ca(u)lk spare 53 of terminal 50.With checked part Rc0, Rc1, Rc2 ,-, Rc (N-2), Rc (N-1) and RcN are that electric wire 6 pressure weldings connect that the JB pressure welding connects the part of each parts of terminal 50 in the odd-numbered line of back.With checked Rd0, Rd1, Rd2 ,-, Rd (N-2), Rd (N-1) and RdN are that electric wire 6 pressure weldings connect that the JB pressure welding connects the part of each parts of terminal 50 in the even number line of back.
Therefore, image reference data 2a stores the electrical contact 52 that flawless JB pressure welding in several odd-numbered lines connects terminal 50, the image of pressure welding fitting 51a and ca(u)lk spare 53.Image reference data 2a also stores the electrical contact 52 that flawless JB pressure welding in several even number lines connects terminal 50, the image of pressure welding fitting 51a and ca(u)lk spare 53.Connect in these images of terminal 50 same sections in the JB pressure welding, the influence of exterior light etc. is different mutually.
The second image reference data 2b stores the image that flawless JB pressure welding in the odd-numbered line after several electric wire 6 pressure weldings connect connects the ca(u)lk spare 53 of terminal 50.Image reference data 2b stores the image that flawless JB pressure welding in the odd-numbered line after several electric wire 6 pressure weldings connect meets the pressure welding fitting 51a of terminal 50.The second image reference data 2b stores the image that flawless JB pressure welding in the even number line after several electric wire 6 pressure weldings connect connects the ca(u)lk spare 53 of terminal 50.Image reference data 2b stores the image that flawless JB pressure welding in the even number line after several electric wire 6 pressure weldings connect meets the pressure welding fitting 51a of terminal 50.
Therefore, the second image reference data 2b stores that flawless JB pressure welding connects the ca(u)lk spare 53 of terminal 50 and the image of pressure welding fitting 51a in several odd-numbered lines.The second image reference data 2b stores also that flawless JB pressure welding connects the ca(u)lk spare 53 of terminal 50 and the image of pressure welding fitting 51a in several even number lines.Connect in these images of terminal 50 same sections in the JB pressure welding, the influence of exterior light etc. is different mutually.
Image processing equipment 7 storage comparing data 3a, 3b, 3c, and 3d.Comparing data 3a as shown in figure 10 represents, realize correctly installing, correct pressure welding connects and should be at each part Ra0 during correct ca(u)lk, Ra1, Ra2 ,-, Ra (N-2), electric wire 6 pressure weldings among Ra (N-1) and the RaN connect the parts that preceding JB pressure welding connects terminal 50.Comparing data 3b as shown in figure 11 represents, realize correctly installing, correct pressure welding connects and should be at each part Rb0 during correct ca(u)lk, Rb1, Rb2 ,-, Rb (N-2), electric wire 6 pressure weldings among Rb (N-1) and the RbN connect the parts that preceding JB pressure welding connects terminal 50.
Comparing data 3c as shown in figure 15 represents, realize correctly installing, correct pressure welding connects and should be at each part Rc0 during correct ca(u)lk, Rc1, Rc2 ,-, Rc (N-2), the JB pressure welding after electric wire 6 pressure weldings among Rc (N-1) and the RcN connect connects the parts of terminal 50.Comparing data 3d as shown in figure 16 represents, realize correctly installing, correct pressure welding connects and should be at each part Rd0 during correct ca(u)lk, Rd1, Rd2 ,-, Rd (N-2), the JB pressure welding after electric wire 6 pressure weldings among Rd (N-1) and the RdN connect connects the parts of terminal 50.
According to comparing data 3a, 3b, 3c, and 3d, image processing equipment 7 will be examined part Ra0, Ra1, Ra2 ,-, Ra (N-2), Ra (N-1), RaN, Rb0, Rb1, Rb2 ,-, Rb (N-2), Rb (N-1), RbN, Rc0, Rc1, Rc2 ,-, Rc (N-2), Rc (N-1), RcN, Rd0, Rd1, Rd2 ,-, Rd (N-2), every width of cloth image of Rd (N-1) and RdN compares with the image that is stored among the image reference data 2a or the second image reference data 2b.
That is to say, image processing equipment 7 will be in fact by CCD camera 5 pick up with checked part Ra0, Ra1, Ra2 ,-, Ra (N-2), Ra (N-1), RaN, Rb0, Rb1, Rb2 ,-, Rb (N-2), Rb (N-1), RbN, Rc0, Rc1, Rc2 ,-, Rc (N-2), Rc (N-1), RcN, Rd0, Rd1, Rd2,-, Rd (N-2), the image of Rd (N-1) and RdN are realizing correct the installation among the image reference data 2a or the second image reference data 2b with being stored in, correct pressure welding connects and should be at each part Ra0, Ra1 during correct ca(u)lk, Ra2 ,-, Ra (N-2), Ra (N-1), RaN, Rb0, Rb1, Rb2 ,-, Rb (N-2), Rb (N-1), RbN, Rc0, Rc1, Rc2 ,-, Rc (N-2), Rc (N-1), RcN, Rd0, Rd1, Rd2,-, Rd (N-2), the image that the JB pressure welding among Rd (N-1) and the RdN connects the parts of terminal 50 compares.
For example, among image processing equipment 7 image that will be examined part Ra0 as shown in figure 12 that will pick up by CCD camera 5 and the image reference data 2a that is stored in electrical contact 52 in the odd-numbered line realize correctly installing, correct pressure welding connects and should compare at the multiple image among the part Ra0 during correct ca(u)lk.For example, among image processing equipment 7 image that will be examined part Rb0 as shown in figure 13 that will pick up by CCD camera 5 and the image reference data 2a that is stored in pressure welding fitting 51a in the even number line realize correctly installing, correct pressure welding connects and during correct ca(u)lk with should compare at the multiple image among the part Rb0.
For example, among the image that will be examined part Rc0 as shown in figure 17 that image processing equipment 7 will be picked up by CCD camera 5 and the image reference data 2b that is stored in ca(u)lk spare 53 in the odd-numbered line, realize correctly installing, correct pressure welding connects and should compare at the multiple image among the part Rc0 during correct ca(u)lk.For example, image processing equipment 7 image that will be examined part Rd0 as shown in figure 18 that will pick up by CCD camera 5 be stored in idol swash among the image reference data 2b of pressure welding fitting 51a in the row realize correctly installing, correct pressure welding connects and should compare at the multiple image among the part Rd0 during correct ca(u)lk.
Image processing equipment 7 will be in fact by CCD camera 5 pick up with checked part Ra0, Ra1, Ra2 ,-, Ra (N-2), Ra (N-1), RaN, Rb0, Rb1, Rb2 ,-, Rb (N-2), Rb (N-1), RbN, Rc0, Rc1, Rc2,-, Rc (N-2), Rc (N-1), RcN, Rd0, Rd1, Rd2 ,-, Rd (N-2), the image of Rd (N-1) and RdN are realizing correct the installation among the image reference data 2a or the second image reference data 2b with being stored in, and correct pressure welding connects and should be at each part Ra0 during correct ca(u)lk, Ra1, Ra2 ,-, Ra (N-2), Ra (N-1), RaN, Rb0, Rb1, Rb2 ,-, Rb (N-2), Rb (N-1), RbN, Rc0, Rc1, Rc2,-, Rc (N-2), Rc (N-1), RcN, Rd0, Rd1, Rd2 ,-, Rd (N-2), when the image that the JB pressure welding among Rd (N-1) and the RdN connects terminal 50 parts compares, at first operative norm processing.Then, according to known correlation technique, calculate the correlation of consistent degree between above-mentioned two width of cloth images that will compare mutually of expression.Then, extract in the image from be stored in the image reference data 2a or the second image reference data 2b and have the i.e. piece image of high correlation of the highest consistent degree.Having, the image of high correlation is a width of cloth and the most similar image of image that is picked up by CCD camera 5.
Therefore, image processing equipment 7 from be stored in the image reference data 2a or the second image reference data 2b should be at each part Ra0, Ra1, Ra2 ,-, Ra (N-2), Ra (N-1), RaN, Rb0, Rb1, Rb2 ,-, Rb (N-2), Rb (N-1), RbN, Rc0, Rc1, Rc2 ,-, Rc (N-2), Rc (N-1), RcN, Rd0, Rd1, Rd2,-, Rd (N-2), the JB pressure welding among Rd (N-1) and the RdN connect extract in the multiple image of parts of terminal 50 with by CCD camera 5 that pick up with will be examined part Ra0, Ra1, Ra2 ,-, Ra (N-2), Ra (N-1), RaN, Rb0, Rb1, Rb2 ,-, Rb (N-2), Rb (N-1), RbN, Rc0, Rc1, Rc2 ,-, Rc (N-2), Rc (N-1), RcN, Rd0, Rd1, Rd2,-, Rd (N-2), Rd (N-1), the piece image the most similar with the image of RdN.
On the other hand, when the correlation that be stored in image in image reference data 2a or second image reference data 2b the most similar to the image that is picked up by CCD camera 5 during less than setting threshold, opertaing device 8 just judges that the part that the JB pressure welding connects terminal 50 exists unusual.Promptly when the correlation that be stored in image in image reference data 2a or second image reference data 2b the most similar to the image that is picked up by CCD camera 5 during less than setting threshold, opertaing device 8 just judges that the JB pressure welding connects terminal 50 for flaw is arranged.
Connect pressure welding that all indefectible and electric wire 6 of terminal 50 and all JB pressure weldings connect terminal 50 to connect the quality of state good if be installed in all JB pressure weldings on the pressure welding fishplate bar 60, opertaing device 8 just connects all JB pressure weldings all flawless situation of terminal 50 and exports to output device 26.Connect in the terminal 50 and have flaw if be installed in JB pressure welding on the pressure welding fishplate bar 60, opertaing device 8 just with this flaw terminal arranged the flaw part arranged, in other words, comprise the part Ra0 of this rejected part, Ra1, Ra2,-, Ra (N-2), Ra (N-1), RaN, Rb0, Rb1, Rb2 ,-, Rb (N-2), Rb (N-1), RbN, Rc0, Rc1, Rc2 ,-, Rc (N-2), Rc (N-1), RcN, Rd0, Rd1, Rd2 ,-, Rd (N-2), Rd (N-1) and RdN export to output device 26.
When inspection is installed in JB pressure welding on the pressure welding fishplate bar 60 and connects terminal 50, at first check that according to the testing fixture 100 of present embodiment the JB pressure welding connects the quality of the installment state of terminal 50 on pressure welding fishplate bar 60 in step S101 shown in Figure 21.
When checking that the JB pressure welding connects the quality of the installment state of terminal 50 on pressure welding fishplate bar 60, in step S11 as shown in figure 22, opertaing device 8 at first controlling and driving control part 29 so that CCD camera 5 towards pressure welding fishplate bar 60.CCD camera 5 picks up the image that the JB pressure welding that is installed on the pressure welding fishplate bar 60 connects terminal 50, then the image that picks up is exported to image processing equipment 7.
Image a period of time in the image processing equipment 7 storage CCD cameras 5, enter step S12 then.In step S11, the image that is picked up and be stored in a period of time in the image processing equipment 7 by CCD camera 5 is the digital picture of two dimension, and wherein luminous energy is represented with its 256 grades.
In step S12, image processing equipment 7 at first extracts in the odd-numbered line from the image of CCD camera 5 will be examined part Ra0, Ra1, and Ra2 ,-, Ra (N-2), the image of Ra (N-1) and RaN.According to comparing data 3a, image processing equipment 7 will checked part Ra0, Ra1, Ra2,-, Ra (N-2), the image of Ra (N-1) and RaN be stored among the image reference data 2a realize correctly installing, correct pressure welding connects and should be at each part Ra0, Ra1 during correct ca(u)lk, Ra2,-, Ra (N-2), the image that the JB pressure welding among Ra (N-1) and the RaN connects terminal 50 parts compares.
In addition, in step S12, image processing equipment 7 extracts in the even number line from the image of CCD camera 5 will be examined part Rab0, Rb1, and Rb2 ,-, Rb (N-2), the image of Rb (N-1) and RbN.According to comparing data 3b, image processing equipment 7 will checked part Rb0, Rb1, Rb2,-, Rb (N-2), the image of Rb (N-1) and RbN be stored among the image reference data 2a realize correctly installing, correct pressure welding connects and should be at each part Rb0 during correct ca(u)lk, Rb1, Rb2 ,-, Rb (N-2), the image that JB pressure welding among Rb (N-1) and the RbN connects terminal 50 parts compares, and enters step S13 then.
In step S13, extract the image of image processing equipment 7 in being stored in image reference data 2a with checked part Ra0, Ra1, Ra2 ,-, Ra (N-2), Ra (N-1), RaN, Rb0, Rb1, Rb2 ,-, Rb (N-2), Rb (N-1), the most similar piece image of every width of cloth image of RbN.Image processing equipment 7 will similar image correlation export to opertaing device 8, enter step S14 then.
In step S14, image processing equipment 7 judge whether to calculate with checked part Ra0, Ra1, Ra2 ,-, Ra (N-2), Ra (N-1), RaN, Rb0, Rb1, Rb2 ,-, Rb (N-2), the correlation of the image that every width of cloth image of Rb (N-1) and RbN is the most similar.Calculate if be judged as, this system just enters step S15, does not calculate if be judged as, and this system just turns back to step S12, and S12 restarts from step.
In step S15, opertaing device 8 judge with checked part Ra0, Ra1, Ra2 ,-, Ra (N-2), Ra (N-1), RaN, Rb0, Rb1, Rb2 ,-, Rb (N-2), whether the correlation of the similar image of every width of cloth image of Rb (N-1) and RbN is equal to or greater than preset threshold.Be equal to or greater than if be judged as, it is all indefectible that opertaing device 8 just judges that the JB pressure welding connects each part of terminal 50, that is, it is good to judge that JB pressure welding on the pressure welding fishplate bar 60 connects the quality of installment state of terminal 50.On the contrary, just judge that each part that the JB pressure welding connects terminal 50 has flaw,, judges that the JB pressure welding on the pressure welding fishplate bar 60 meets the poor quality of the installment state of terminal 50 that is if be judged as less than, opertaing device 8.
Therefore, in step S15, judge that according to correlation the JB pressure welding on the pressure welding fishplate bar 60 connects the quality of the installment state of terminal 50.Opertaing device 8 is exported to output device 26 with judged result.
The bad JB pressure welding of installment state connects terminal 50 on the pressure welding fishplate bar 60 if exist in, and this system just step S102 by as shown in figure 21 enters step S103.In step S103, output device 26 is the judged result printout of opertaing device 8, and is stored in the recording medium.On the other hand, if on the pressure welding fishplate bar 60 all JB pressure weldings to connect the installment state of terminal 50 good, this system just step S102 by as shown in figure 21 enters step S104.Then, electric wire 6 just is bonded and is connected to each JB pressure welding and connects on the terminal 50.
In step S104, check electric wire 6 and be installed in the quality that pressure welding that JB pressure welding on the pressure welding fishplate bar 60 connects terminal 50 connects state (stationary state).When checking, in step S21 as shown in figure 23, opertaing device 8 at first controlling and driving control part 29 so that CCD camera 5 towards pressure welding fishplate bar 60.CCD camera 5 picks up the image that the JB pressure welding that is installed on the pressure welding fishplate bar 60 connects terminal 50, then the image that is picked up is exported to image processing equipment 7.
Image a period of time in these image processing equipment 7 storage CCD cameras 5, enter step S22 then.In step S21, the image that is picked up and be stored in a period of time in the image processing equipment 7 by CCD camera 5 is the digital picture of two dimension, and wherein luminous energy is represented with its 256 grades.
In step S22, image processing equipment 7 at first extracts in the odd-numbered line from the image of CCD camera 5 will be examined part Rc0, Rc1, and Rc2 ,-, Rc (N-2), the image of Rc (N-1) and RcN.According to comparing data 3c, image processing equipment 7 will checked part Rc0, Rc1, Rc2,-, Rc (N-2), the image of Rc (N-1) and RcN be stored among the second image reference data 2b realize correctly installing, correct pressure welding connects and should be at each part Rc0, Rc1 during correct ca(u)lk, Rc2,-, Rc (N-2), the image that the JB pressure welding among Rc (N-1) and the RcN connects terminal 50 parts compares.
In addition, in step S22, image processing equipment 7 extracts in the even number line from the image of CCD camera 5 will be examined part Rd0, Rd1, and Rd2 ,-, Rd (N-2), the image of Rd (N-1) and RdN.According to comparing data 3d, image processing equipment 7 will checked part Rd0, Rd1, Rd2,-, Rd (N-2), the image of Rd (N-1) and RdN be stored among the second image reference data 2b realize correctly installing, correct pressure welding connects and should be at each part Rd0 during correct ca(u)lk, Rd1, Rd2 ,-, Rd (N-2), the image that JB pressure welding among Rd (N-1) and the RdN connects terminal 50 parts compares, and enters step S23 then.
In step S23, extract the image of image processing equipment 7 in being stored in the second image reference data 2b with checked part Rc0, Rc1, Rc2 ,-, Rc (N-2), Rc (N-1), RcN, Rd0, Rd1, Rd2 ,-, Rd (N-2), R (N-1), the most similar piece image of every width of cloth image of RdN.Image processing equipment 7 will similar image correlation export to opertaing device 8, enter step S24 then.
In step S24, image processing equipment 7 judge whether to calculate with checked part Rc0, Rc1, Rc2 ,-, Rc (N-2), Rc (N-1), RcN, Rd0, Rd1, Rd2 ,-, Rd (N-2), R (N-1), the correlation of the image that every width of cloth image of RdN is the most similar.Calculate if be judged as, this system just enters step S25.Do not calculate if be judged as, this system just turns back to step S22, and S22 restarts from step.
In step S25, opertaing device 8 judge with checked part Rc0, Rc1, Rc2 ,-, Rc (N-2), Rc (N-1), RcN, Rd0, Rd1, Rd2 ,-, Rd (N-2), R (N-1), whether the correlation of the similar image of every width of cloth image of RdN is equal to or greater than preset threshold.Be equal to or greater than if be judged as, it is all indefectible that opertaing device 8 just judges that the JB pressure welding connects each part of terminal 50, that is, it is good to judge that pressure welding that electric wire 6 and JB pressure welding connect terminal 50 connects the quality of state.On the contrary, just judge that each part that the JB pressure welding connects terminal 50 has flaw, that is, judge that pressure welding that electric wire 6 and JB pressure welding connect terminal 50 meets the poor quality of state if be judged as less than, opertaing device 8.
Therefore, in step S25, judge that according to correlation pressure welding that electric wire 6 and JB pressure welding connect terminal 50 connects the quality of state.Opertaing device 8 is exported to output device 26 with judged result.In step S105, output device 26 is the judged result printout of opertaing device 8, and is recorded in the recording medium.
According to this most preferred embodiment, store several in advance and will be installed in the image that JB pressure welding on the pressure welding fishplate bar 60 connects terminal 50 each part.From the image of these storages, extract and the most similar image of image that picks up by CCD camera 5.
Therefore, connecing the most similar image of the image of terminal 50 to the JB pressure welding of being picked up by CCD camera 5 is included in the image that is stored in the image reference data 2a or the second image reference data 2b probably.That is, the image that picks up by CCD camera 5 and be stored in image reference data 2a or the second image reference data 2b in similar image between consistent degree.
By similar image is compared with the image that is picked up by CCD camera 5, it can be judged and JB pressure welding on the pressure welding fishplate bar 60 connects pressure welding that whether good the quality of installment state of terminal 50 and electric wire 6 and JB pressure welding connect terminal 50 whether connect the quality of (fixing) state good.The multiple image that JB pressure welding with identical items symbol connects terminal 50 is stored among the image reference data 2a or the second image reference data 2b, avoids taking place indefectible product is judged as the detection error of flaw product with this.Therefore, just can judge reliably that JB pressure welding on the pressure welding fishplate bar 60 connects the quality that pressure welding that the quality of installment state of terminal 50 and electric wire 6 and JB pressure welding connect terminal 50 connects (fixing) state.
When extracting the image the most similar the image in being stored in the image reference data 2a or the second image reference data 2b, use this standardization correlation technique to the image that picks up by CCD camera 5.Therefore, the consistent degree that the JB pressure welding connects between the image of same section of terminal 50 is compared with the situation that the image that will write down in binary condition compares mutually, and it is higher to become.Thereby, just can judge reliably that JB pressure welding on the pressure welding fishplate bar 60 connects the quality that pressure welding that the quality of installment state of terminal 50 and electric wire 6 and JB pressure welding connect terminal 50 connects (fixing) state.
In addition, by using electrical contact 52, the image of pressure welding fitting 51a and ca(u)lk spare 53 judges that the JB pressure welding on the pressure welding fishplate bar 60 connects the quality of the installment state of terminal 50.Judge that by the image that uses pressure welding fitting 51a and ca(u)lk spare 53 pressure welding that electric wire 6 and JB pressure welding connect terminal 50 connects the quality of (fixing) state.Therefore, just can judge reliably that JB pressure welding on the pressure welding fishplate bar 60 connects the quality that pressure welding that the quality of installment state of terminal 50 and electric wire 6 and JB pressure welding connect terminal 50 connects (fixing) state.
In the former most preferred embodiment, before electric wire 6 pressure weldings connect and to judge that afterwards the JB pressure welding connects terminal 50 indefectible or flaw arranged.But in this most preferred embodiment, it is indefectible or flaw arranged to judge before or after electric wire 6 pressure weldings connect that at least the JB pressure welding connects terminal 50.
In the former most preferred embodiment, what check is can be by arranging the pressure welding fishplate bar 60 that is mounted along both direction, and described both direction is the length direction of cable holding groove 61 and the direction that a plurality of cable holding groove 61 is arranged mutually.But in this most preferred embodiment, what check can be only to be arranged in the quality that pressure welding in the connector shell 201 connects terminal 200 along a direction as shown in figure 24.Connector shell 201 is corresponding to the insulator of describing in this instructions.Pressure welding connects terminal 200 corresponding to the end fitting of describing in this instructions.Terminal accommodating groove 202 (back lays down a definition) is corresponding to the support of describing in this instructions.In addition, pressure welding connects terminal 200 corresponding to the electrical equipment of describing in this instructions.
Pressure welding connects terminal 200 and makes by crooked conductive metal sheet, and it has as shown in figure 24 electrical contact 203 and wire connector 204.
Pressure welding fitting 204a has three pairs of pressure weldings and meets blade 211a, 211b and 211c, and every pair of blade is from wall 208 vertically upward.A pair of blade 211a is outstanding from sidewall 209 with their approaching mutually directions.A pair of blade 211a keeps a spatial disposition each other.A pair of blade 211a is crimped on therebetween electric wire 6 and contacts forming with the core of electric wire 6 by the coating layer portion that cuts electric wire 6.
A pair of blade 211b is outstanding from sidewall 209 with their approaching mutually directions.A pair of blade 211b keeps a spatial disposition each other.A pair of blade 211b is crimped on therebetween electric wire 6 and contacts forming with the core of electric wire 6 by the coating layer portion that cuts electric wire 6.A pair of blade 211c is outstanding from sidewall 209 with their approaching mutually directions.A pair of blade 211c keeps a spatial disposition each other.A pair of blade 211c is crimped on therebetween electric wire 6 and contacts forming with the core of electric wire 6 by the coating layer portion that cuts electric wire 6.Three couples of blade 211a, 211b and 211c form with electric wire 6 and are electrically connected.That is, three couples of blade 211a, 211b and 211c pressure welding are connected on the electric wire 6.
A pair of ca(u)lk spare 212 extends to two peripheries at the Width of wall 208.A pair of ca(u)lk spare 212 from wall 208 vertically upward.A pair of ca(u)lk spare 212 keeps a space each other and faces mutually.Ca(u)lk spare 212 is placed on electric wire 6 between ca(u)lk spare 212 and the wall 208 with this towards wall 208 bendings.That is a pair of ca(u)lk spare ca(u)lk electric wire 6.Therefore, a pair of ca(u)lk spare 212 is fixed in electric wire 6 on the wire connector 204.
Terminal accommodating spare 213 has a rectangular slab 215, and a plurality of terminal accommodating grooves 202 and one are towards plate 215, keep the top board wall 216 in a space each other.Plate 215 has a lock slots and a lock arm (not shown) connects terminal 200 from wherein coming out with the pressure welding that prevents to insert in the terminal accommodating groove 202.
Each terminal accommodating groove 202 forms, and is arranged in parallel by surperficial recessed, the linear extension of slave plate 215.Pressure welding connects terminal 200 and inserts in the terminal accommodating groove 202 along its length direction.
Enclosing cover 214 have a plurality of be used for fixing to be installed with in the terminal of terminal accommodating spare 213 hold the outstanding rectangular of electric wire in the sodium groove 202.Enclosing cover 214 have one with engage the outstanding 217 enclosing cover lock arms 219 that engage.Enclosing cover 214 can rotate with respect to terminal accommodating spare 213 by being arranged on the top board wall 216 outer hinges of placing (not shown).
Before the assembling, in connector shell 201, the terminal accommodating groove 202 of terminal accommodating spare 213 is positioned at equidirectional with each opening by a band (not shown) state is connected with outstanding rectangular 218 of enclosing cover 214.That is, terminal accommodating spare 213 is connected with enclosing cover 214 with the state of enclosing cover 214 with respect to 213 upsets of terminal accommodating groove by this band.
During assembling, pressure welding connects terminal 200 and at first inserts in the terminal accommodating groove 202 along its length direction.Connect terminal 200 in pressure welding and be contained under the situation in the terminal accommodating groove 202, lance 207 joining connector shells 201, pressure welding connects terminal 200 and is fixed on (being installed in) connector shell 201.After this, by using testing fixture 100, check that the pressure welding on the connector shell 201 connects the installment state of terminal 200.Electric wire 6 is crimped on pressure welding and meets blade 211a, between 211b and the 211c.Ca(u)lk spare 212 is bent.Electric wire 6 is fixed in pressure welding and connects on the terminal 200.
After this, by using testing fixture 100, inspection electric wire 6 connects state (stationary state) with the pressure welding that pressure welding connects terminal 200.If it is all indefectible that all pressure weldings connect terminal 200, band just is removed, and enclosing cover 214 just can be along arrow K shown in Figure 24 around hinge through.Enclosing cover lock arm 219 engages outstanding 217 so that terminal accommodating spare 213 and enclosing cover 214 are interfixed.
When the pressure welding on the inspection connector shell 201 connects the installment state of terminal, promptly, before electric wire 6 pressure weldings connect, check when pressure welding connects terminal 200, preferably use among Figure 25 with replacing length dot-and-dash line Ra0, ca(u)lk spare 212 images that Ra1 and Ra2 represent and the image of pressure welding fitting 204a.
When checking electric wire 6 and being installed in pressure welding that pressure welding on the connector shell 201 connects terminal 200 and connecing state, promptly, after electric wire 6 pressure weldings connect, check when pressure welding connects terminal 200, preferably use among Figure 26 with replacing length dot-and-dash line Rb0, Rb1, ca(u)lk spare 212 images that Rb2 and Rb3 represent, the image of the image of pressure welding fitting 204a and electric wire 6 both end sides.Particularly, whether connect terminal 200 short circuits such as grade, preferably check the both end sides of electric wire 6 with other pressure welding in order to judge the core that stretches out from the end of electric wire 6.
By using testing fixture, be used to check the detection method of electrical equipment below just obtaining according to the 3rd most preferred embodiment.One of them electrical equipment detection method comprises the following steps:
Store the multiple image that connects terminal 50 or 200 as the pressure welding of indefectible electrical equipment in advance; With
Connect the image of terminal 50 or 200 according to the image that checked pressure welding is connect terminal 50 or 200 and several flawless pressure weldings, judge pressure welding on pressure welding fishplate bar 60 or the connector shell 201 to connect pressure welding that whether good the quality of installment state of terminal 50 or 200 and electric wire 6 and pressure welding connect terminal 50 or 200 whether connect the quality of state good, promptly judge checked pressure welding is connect terminal 50 or 200 whether indefectible.
The detection method of another kind of electrical equipment comprises the following steps:
Store the multiple image that connects terminal 50 or 200 as the pressure welding of indefectible electrical equipment in advance; With
Relatively checked pressure welding is connect the image of terminal 50 or 200 and the image that many flawless pressure weldings connect terminal 50 or 200;
Connect from many flawless pressure weldings and to extract a width of cloth the image of terminal 50 or 200 and checked pressure welding to be connect terminal 50 or the most similar image of 200 images; With
Judge according to the most similar image with the image that checked pressure welding connects terminal 50 or 200 checked pressure welding is connect whether terminal 50 or 200 is specification product, judge that promptly pressure welding connects terminal 50 or 200 whether indefectible.
For above-mentioned inspection method, stored the image that many flawless pressure weldings connect terminal 50 or 200 in advance.Therefore, with will be examined image that pressure welding connects terminal 50 or 200 image similarities and may be included in very much many flawless pressure weldings of storing and connect in the image of terminal 50 or 200.Therefore, connect the image of terminal 50 or 200 and just become higher being examined pressure welding to the consistent degree that checked pressure welding is connect between the most similar piece image of terminal 50 or 20 images in the image that connects terminal 50 or 200 in many flawless pressure weldings of storing.So, just can avoid when judging that pressure welding connects terminal 50 or 200 quality, producing mistake, can judge reliably that promptly pressure welding connects the quality of terminal 50 or 200.
In addition, being used to shown in the present invention's the 3rd most preferred embodiment checks that the testing fixture 100 of end fitting can be set to the same special-purpose testing fixture to that indicated in the drawings.The testing fixture 100 that is used to check end fitting according to the present invention can be installed in known pressure welding tipping and put.
The description of above-mentioned most preferred embodiment is to be used for helping understanding of the present invention, and those skilled in the art does not break away from spirit of the present invention and protection domain just can be made various modifications.
Claims (14)
1. the inspection method of an electrical equipment, it comprises the following steps:
Store a plurality of images of flawless electrical equipment in advance;
Storage comprises the image reference data of a plurality of bullets, and wherein each described bullets is corresponding in described a plurality of images at least one;
Storage comprises the normal data of wanting checked a plurality of parts, and wherein each wants checked part corresponding at least one correct bullets in the bullets; And
According to the image of wanting checked electrical equipment, want checked part, image reference data and normal data, judge what want checked part and want checked electrical equipment whether indefectible.
2. the inspection method of an electrical equipment, it comprises the following steps:
Store a plurality of images of flawless electrical equipment in advance;
Storage comprises the image reference data of a plurality of bullets, and wherein each described bullets is corresponding in described a plurality of images at least one;
Storage comprises the normal data of wanting checked a plurality of parts, and wherein each wants checked part corresponding at least one correct bullets in the bullets;
Relatively wanting the image of wanting checked electrical equipment of checked part and a plurality of images of flawless electrical equipment;
From a plurality of images of flawless electrical equipment, extract a width of cloth and want the most similar image of checked electrical equipment image; With
According to the most similar image, want checked electrical equipment image, want checked part, image reference data and normal data, judge whether want checked electrical equipment indefectible.
3. the testing fixture of an electrical junction box, this electrical junction box has a plurality of supports, electrical equipment is rack-mount, this testing fixture is used to check the installment state of electrical equipment, described each electrical equipment has different marks on its outer surface according to its bullets, and this testing fixture comprises:
Image pick up equipment is used to pick up the image of the described mark that comprises rack-mount electrical equipment;
Extraction equipment, be used for (1) memory image reference data and normal data, the image reference data have comprised a plurality of images, these images comprise the described mark as the electrical equipment that is installed in all items symbol in the electrical junction box of checking main body, normal data represents to be installed in the correct bullets of the electrical equipment on the respective holder, be used for the image of the described mark that comprises rack-mount electrical equipment that (2) relatively picks up by image pick up equipment and the image of image reference data, be used for (3) extract the electrical equipment with similar image from the image in the image reference data bullets; With
Judgment device is used for the bullets of the electrical equipment by relatively having similar image and the quality that described normal data is judged the installment state of the electrical equipment on the support.
4. the testing fixture of electrical junction box according to claim 3, it is characterized in that: image is a numerical information, wherein luminous energy is represented with its a plurality of grades,
Extraction equipment relatively comprises as the image of the described mark that is installed in the electrical equipment on the electrical junction box medium-height trestle of checking main body and the image in the image reference data with the standardization correlation technique, so that by the standardization correlation technique from these images, obtain have the image of high correlation be configured to the most similar described image and
Judgment device is by relatively having the bullets of the electrical equipment of the image of high correlation and the quality that described normal data is judged the electrical equipment installment state on the support.
5. the testing fixture of an electrical junction box, this electrical junction box has a plurality of supports, electrical equipment is rack-mount, this testing fixture is used to check the installment state of electrical equipment, described each electrical equipment has different marks on its outer surface according to its bullets, and this testing fixture comprises:
Image pick up equipment is used to pick up the image of the described mark that comprises rack-mount electrical equipment;
Extraction equipment, be used for (1) memory image reference data, the image reference data have comprised a plurality of images, these images comprise the described mark as the electrical equipment that is installed in all items symbol in the electrical junction box of checking main body, be used for the image of the image of the described mark that comprises rack-mount electrical equipment that (2) picks up by image pick up equipment by the comparison of standardization correlation technique and the electrical equipment that the image reference data will be mounted and be used for (3) extracting the highest correlation from the correlation that obtains by the standardization correlation technique with correct bullets; With
Judgment device is used for the quality that the highest correlation of basis is judged rack-mount electrical equipment installment state.
6. according to the testing fixture of claim 4 or 5 described electrical junction boxes, it is characterized in that: judgment device will comprise that from be judged as rack-mount improperly electric component the image of the described mark of correct rack-mount electrical equipment is added in the image reference data.
7. the testing fixture of an end fitting is used to check the installment state of the end fitting on the insulator, and described end fitting is installed on the insulator, and electric wire is bonded and is connected on the end fitting, and this testing fixture comprises:
Image pick up equipment is used to pick up the image that is installed in the end fitting on the insulator;
Extraction equipment, be used for (1) memory image reference data, the image reference data have comprised a plurality of images of the flawless end fitting that is installed on the insulator, be used for the image of the end fitting that (2) relatively picks up by image pick up equipment and a plurality of images of the flawless end fitting of image reference data, and be used for (3) and from the image of image reference data, extract and the most similar image of end fitting image that picks up by image pick up equipment; With
Judgment device, the image that is used for the end fitting that picks up by the most similar image with by image pick up equipment is judged the quality of the end fitting installment state on the insulator.
8. the testing fixture of end fitting according to claim 7, it is characterized in that: image is a numerical information, wherein luminous energy is represented with its a plurality of grades,
The image of the end fitting that extraction equipment is picked up by image pick up equipment with the comparison of standardization correlation technique and a plurality of images in the image reference data, so that with the standardization correlation technique from these images, obtain have the image of high correlation be configured to the most similar described image and
Judgment device just judges that when correlation is equal to or greater than setting threshold the quality of the end fitting installment state on the insulator is good, and just judges the poor quality of installment state during less than setting threshold at correlation.
9. the testing fixture of an end fitting is used to check that the pressure welding of electric wire and end fitting connects state, and described end fitting is installed on the insulator, and electric wire is bonded and is connected on the end fitting, and this testing fixture comprises:
Image pick up equipment is used to pick up the image that is installed in the end fitting on the insulator, and electric wire and end fitting pressure welding connect;
The second extraction equipment, be used for (1) storage second image reference data, the second image reference data have comprised and have been installed on the insulator, electric wire is a plurality of images of the flawless end fitting that connects of pressure welding with it, be used for that (2) relatively picked up by image pick up equipment, electric wire is the image of the end fitting that connects of pressure welding with it, with a plurality of images of the flawless end fitting that connects of pressure welding with it of electric wire in the second image reference data, extract and the electric wire that picks up by the image pick up equipment the most similar image of end fitting image that connects of pressure welding with it with the image that is used for (3) swashing certificate from second image reference; With
Second judgment device, be used for by the most similar image and pick up by image pick up equipment, electric wire with it the pressure welding image that connects and be installed in the end fitting on the insulator judge electric wire with it pressure welding connect and be installed in end fitting on the insulator and the pressure welding of electric wire connects state quality.
10. the testing fixture of end fitting according to claim 9, it is characterized in that: image is a numerical information, wherein luminous energy is represented with its a plurality of grades,
That the second extraction equipment is picked up by image pick up equipment with the comparison of standardization correlation technique, electric wire is the image of the end fitting that connects of pressure welding and a plurality of images in the second image reference data with it, so that with the standardization correlation technique from these images, obtain have the image of high correlation be configured to the most similar described image and
It is good that second judgment device just judges that when correlation is equal to or greater than setting threshold electric wire and end fitting pressure welding connect the quality of state, and just judge that pressure welding meets the poor quality of state at correlation during less than setting threshold.
11. the testing fixture of an end fitting is used to check that the installment state of end fitting on the insulator and the pressure welding of electric wire connect state, described end fitting is installed on the insulator, and electric wire is bonded and is connected on the end fitting, and this testing fixture comprises:
Image pick up equipment is used to pick up the image that is installed in the end fitting on the insulator;
Extraction equipment, be used for (1) memory image reference data, the image reference data have comprised a plurality of images of the flawless end fitting that is installed on the insulator, be used for the image of the end fitting that (2) relatively picks up by image pick up equipment and a plurality of images of the flawless end fitting of image reference data, and be used for (3) and from the image of image reference data, extract and the most similar image of end fitting image that picks up by image pick up equipment; With
Judgment device, the image that is used for the end fitting that picks up by the most similar image with by image pick up equipment is judged the quality of the end fitting installment state on the insulator;
The second extraction equipment, be used for (1) storage second image reference data, the second image reference data have comprised and have been installed on the insulator, electric wire is a plurality of images of the flawless end fitting that connects of pressure welding with it, be used for that (2) relatively picked up by image pick up equipment, electric wire is the image of the end fitting that connects of pressure welding with it, with electric wire in the second image reference data with it the flawless end fitting that connects of pressure welding a plurality of images and be used for (3) and extract and pick up by image pick up equipment from the image of the second image reference data, electric wire is the most similar image of end fitting image that connects of pressure welding with it; With
Second judgment device, be used for by the most similar image and pick up by image pick up equipment, electric wire with it the pressure welding image that connects and be installed in the end fitting on the insulator judge electric wire with it pressure welding connect and be installed in end fitting on the insulator and the pressure welding of electric wire connects state quality.
12. the testing fixture of end fitting according to claim 11 is characterized in that: image is a numerical information, and wherein luminous energy is represented with its a plurality of grades,
The image of the end fitting that extraction equipment is picked up by image pick up equipment with the comparison of standardization correlation technique and a plurality of images in the image reference data, so that with the standardization correlation technique from these images, obtain have the image of high correlation be configured to the most similar described image and
Judgment device just judges that when correlation is equal to or greater than setting threshold the quality of the end fitting installment state on the insulator is good, and just judges the poor quality of installment state during less than setting threshold at correlation,
That the second extraction equipment is picked up by image pick up equipment with the comparison of standardization correlation technique, electric wire is the image of the end fitting that connects of pressure welding and a plurality of images in the second image reference data with it, so that with the standardization correlation technique from these images, obtain have the image of high correlation be configured to the most similar described image and
It is good that second judgment device just judges that when correlation is equal to or greater than setting threshold electric wire and end fitting pressure welding connect the quality of state, and just judge that pressure welding meets the poor quality of state at correlation during less than setting threshold.
13. according to claim 7, the testing fixture of 8,11 or 12 described end fittings is characterized in that end fitting has pressure welding fitting and a ca(u)lk spare that is used for the electric wire ca(u)lk that an electric wire and its pressure welding connect,
This image pick up equipment picks up piece image at least from the image of the image of pressure welding fitting and ca(u)lk spare,
The image reference data comprise at least one group of image in each pressure welding fitting image and each ca(u)lk spare image,
Extraction equipment will be compared with at least one group of image in each ca(u)lk spare image with each the pressure welding fitting image that is included in the image reference data by pressure welding fitting image and the piece image at least in the ca(u)lk spare image that image pick up equipment picks up.
14. according to claim 9, the testing fixture of 10,11 or 12 described end fittings is characterized in that end fitting has pressure welding fitting and a ca(u)lk spare that is used for the electric wire ca(u)lk that an electric wire and its pressure welding connect,
This image pick up equipment from electric wire with it the pressure welding fitting that connects of pressure welding image and be used for the image of the ca(u)lk spare of electric wire ca(u)lk is picked up piece image at least,
The second image reference data comprise electric wire with it the pressure welding fitting that connects of pressure welding each image and be used at least one group of image to each image of the ca(u)lk spare of electric wire ca(u)lk,
The electric wire that extraction equipment will be picked up by image pick up equipment with it the pressure welding fitting image that connects of pressure welding and be used for to the piece image at least of the ca(u)lk spare image of electric wire ca(u)lk and be included in the second image reference data electric wire with it the pressure welding fitting that connects of pressure welding each image and be used at least one group of image of each image of the ca(u)lk spare of electric wire ca(u)lk compared.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP253350/2001 | 2001-08-23 | ||
| JP2001253350A JP4176977B2 (en) | 2000-09-28 | 2001-08-23 | Terminal fitting inspection equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1407325A CN1407325A (en) | 2003-04-02 |
| CN1272625C true CN1272625C (en) | 2006-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02141804 Expired - Fee Related CN1272625C (en) | 2001-08-23 | 2002-06-06 | Test method for electric element, test devices for electric terminal box and terminal fitting part |
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| Country | Link |
|---|---|
| CN (1) | CN1272625C (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102137230A (en) * | 2010-12-28 | 2011-07-27 | 中国计量学院 | Method and device for carrying out positioning shooting control on on-line detection on apparent defects of adapting piece |
| JP5680005B2 (en) * | 2012-02-24 | 2015-03-04 | 株式会社東芝 | INSPECTION METHOD AND INSPECTION DEVICE FOR INSPECTING FITTING CONNECTION OF CONNECTOR AND ELECTRONIC DEVICE ASSEMBLY METHOD WITH CONNECTOR |
| CN102692580B (en) * | 2012-06-12 | 2015-06-17 | 成都旭双太阳能科技有限公司 | Method for detecting junction box faulty welding of solar battery assembly |
| CN103759636A (en) * | 2013-12-31 | 2014-04-30 | 埃泰克汽车电子(芜湖)有限公司 | device and method for detecting fuse mounting position of vehicle body control module |
| CN104316538A (en) * | 2014-11-07 | 2015-01-28 | 北京凯瑞德图像技术有限责任公司 | Flickering seam detection method and device for cable cladding process |
| CN104819986B (en) * | 2015-04-01 | 2018-05-18 | 广东韦达尔科技有限公司 | A kind of silver paste line detection machine of panorama type auto-mending |
| CN104793095B (en) * | 2015-04-01 | 2018-10-30 | 广东韦达尔科技有限公司 | A kind of silver paste line detection machine that can be filled a vacancy automatically |
| CN105445286A (en) * | 2015-11-10 | 2016-03-30 | 沈阳建筑大学 | Method and device for detecting quality defects of mark on glass fuse tube products |
| JP6586644B2 (en) * | 2017-02-24 | 2019-10-09 | パナソニックＩｐマネジメント株式会社 | Electronic device manufacturing apparatus and electronic device manufacturing method |
| CN113624145B (en) * | 2021-08-09 | 2022-04-26 | 吉林大学 | Visual realization method for measuring assembly height and inclination degree of device in automobile fuse box |
| CN116500048B (en) * | 2023-06-28 | 2023-09-15 | 四川联畅信通科技有限公司 | Cable clamp defect detection method, device, equipment and medium |
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2002
- 2002-06-06 CN CN 02141804 patent/CN1272625C/en not_active Expired - Fee Related
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| CN1407325A (en) | 2003-04-02 |
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