CN208818732U - A kind of conducting device and test macro for piezoelectric ceramics test - Google Patents
A kind of conducting device and test macro for piezoelectric ceramics test Download PDFInfo
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- CN208818732U CN208818732U CN201821428680.7U CN201821428680U CN208818732U CN 208818732 U CN208818732 U CN 208818732U CN 201821428680 U CN201821428680 U CN 201821428680U CN 208818732 U CN208818732 U CN 208818732U
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Abstract
The utility model provide it is a kind of for piezoelectric ceramics test conducting device and test macro, the conducting device include: circuit board, be formed with detection circuit thereon；Flexible board, the flexible board include the conductive layer formed by conductive material, and the flexible board is fixedly connected on the circuit board and conducts；Crimp assemblies are located on the flexible board；When detection, crimp assemblies push flexible board and contact with test product, pass sequentially through circuit board, flexible board to electro-detection on the piezoelectric ceramics in test product.On the one hand conducting device provided by the utility model does not need the bonding wire on test product, will not destroy product surface, another aspect flexible board property is soft, pressure buffer can be provided when on test product covering, to be not easy to damage product by pressure, can be suitable for relatively thin product test.In addition, conductive layer is arranged in flexible board, contacted by conductive layer with test product, contact area is big, can be suitable for hyperbaric environment.
Description
Technical field
The utility model relates to piezoelectric ceramics the field of test technology.It is tested more particularly, to one kind for piezoelectric ceramics
Conducting device and test macro.
Background technique
Piezoelectric ceramics be it is a kind of be widely used in human lives, production every field material, be also applied to hand now
Its various function is realized in machine mould group to increase user experience.Mechanical performance and electrical property are surveyed in order to test piezoelectric ceramics, first
It needs to be powered to piezoelectric ceramics.The prior art is powered on to piezoelectric ceramics generally uses the bonding wire on test product to be connected, used
Hard electrode conduction is connected with spring probe contact.But there is wretched insufficiency in aforesaid way, weld on test product
Line can destroy product surface, can damage entire product if serious；It is only applicable to thicker product with the contact of hard electrode, can be incited somebody to action
Relatively thin product damages by pressure；It is connected with spring probe contact, contact area is smaller, is not suitable for hyperbaric environment.Existing measuring technology
The developing steps of product are not caught up with.
Utility model content
In order to solve to power on to piezoelectric ceramics so that product surface is destroyed, to the limitation of the thickness of product and not applicable
In the hyperbaric environment the problem of, the utility model first aspect provides a kind of conducting device for piezoelectric ceramics test, described to lead
Exchange device includes:
Circuit board is formed with detection circuit thereon；
Flexible board, the flexible board include the conductive layer formed by conductive material, and the flexible board is fixedly connected on described
It is conducted on circuit board；
Crimp assemblies are located on the flexible board；
When detection, crimp assemblies push flexible board and contact with test product, pass sequentially through circuit board, flexible board is produced to tested
Electro-detection on piezoelectric ceramics in product.
Preferably, the crimp assemblies include the shell and pressure head with accommodating chamber, and described pressure head one end is limited in shell
First end is formed in accommodating chamber, the other end is protruding from shell, forms the second end, and the pressure head is crimped on flexible board
On.
Preferably, the crimp assemblies further comprise the bolster in the accommodating chamber, the bolster both ends
It is contacted respectively with pressure head and receiving cavity wall, provides buffering when contacting for the conductive layer with test product.
Preferably, the bolster includes the first end end face appearance corresponding with the end face for being incorporated in the pressure head
The first spring received between cavity wall.
Preferably, the pressure head includes body part and the limiting section that extends to form from the body part to two sides or periphery,
The bolster further comprises second spring, and the second spring is set to the lower section of the limiting section or is sheathed on
On the body part.
Preferably, described device further comprises regulating part, and the regulating part is used to adjust the pretightning force of the bolster.
Preferably, the regulating part includes combined bushing and screw,
The screw runs through the shell and the duct being formed there through with the shell is threadedly engaged,
The bushing is in conjunction with being fixed between first spring and the corresponding receiving cavity wall of first spring.
Preferably, the circuit board is incorporated in the side that the pressure head of the shell stretches out, and the circuit board has confession
The through hole that the second end of the pressure head stretches out.
On the other hand the utility model provides a kind of test macro, more including host computer, with the upper mechatronics
Road signal distributor and the multiple conducting devices as described above being electrically connected respectively with multiplex signal distributor, test product connect
It is connected in the conducting device, PC control multiplex signal distributor switch test channel one by one.
Preferably, the test macro further includes signal detection apparatus, and the signal detection apparatus is separately connected host computer
Host computer is fed back to by detection device with the waveform of multiplex signal distributor, test product feedback.
The beneficial effects of the utility model are as follows:
The utility model provides a kind of conducting device and test macro for piezoelectric ceramics test, includes by setting
On the one hand the flexible board of conductive layer does not need the bonding wire on test product so that test product is conducted with detection circuit, will not
Product surface is destroyed, another aspect flexible board property is soft, pressure buffer can be provided when on test product covering, thus not
It easily damages product by pressure, relatively thin product test can be suitable for.In addition, conductive layer is arranged in flexible board, pass through conductive layer and tested production
Product contact, contact area is big, can be suitable for hyperbaric environment.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing；
Fig. 1 shows the conducting device structural schematic diagram provided by the embodiment of the utility model for piezoelectric ceramics test.
Fig. 2 shows test system structure schematic diagrames provided by the embodiment of the utility model.
Fig. 3 shows the structural schematic diagram of multiplex signal distributor in test macro provided by the embodiment of the utility model.
Specific embodiment
In order to illustrate more clearly of the utility model, the utility model is done into one below with reference to preferred embodiments and drawings
The explanation of step.Similar component is indicated in attached drawing with identical appended drawing reference.It will be appreciated by those skilled in the art that below
Specifically described content is illustrative and be not restrictive, and should not be limited the protection scope of the present invention.
As shown in connection with fig. 1, the embodiments of the present invention provide a kind of conducting device for piezoelectric ceramics test, institute
Stating conducting device includes: circuit board 5, is formed with detection circuit thereon；Flexible board 7, the flexible board include by conductive material shape
At conductive layer, the flexible board 7 is fixedly connected on the circuit board 5 and conducts；Crimp assemblies are located at the flexible board 7
On；When detection, crimp assemblies push flexible board 7 and contact with test product 6, pass sequentially through circuit board 5, flexible board 7 is produced to tested
Electro-detection on piezoelectric ceramics in product 6.
Conducting device provided in this embodiment for piezoelectric ceramics test includes the flexible board of conductive layer by setting
7, so that test product 6 is conducted with detection circuit, the bonding wire on test product 6 is not on the one hand needed, tested production will not be destroyed
6 surface of product, 7 property of another aspect flexible board is soft, pressure buffer can be provided when on test product 6 covering, to be not easy
It damages test product 6 by pressure, relatively thin product test can be suitable for.In addition, conductive layer is arranged in flexible board 7, pass through conductive layer and quilt
It surveys product 6 to contact, contact area is big, can be suitable for hyperbaric environment.
It should be noted that flexible board 7 can be formed only by conductive layer, such as flexible board 7 is whole by conductive material
It is formed, further, according to the utility model, flexible board 7 only can also combine one layer of conductive layer on its surface, and the present embodiment is not
It is limited to this.
As shown in connection with fig. 1, the crimp assemblies in the present embodiment include the shell and pressure head 2 with accommodating chamber, the pressure head 2
One end, which is limited in housing accommodating chamber, forms first end, and the other end is protruding from shell, forms the second end, the pressure head
2 are crimped on flexible board 7.
More specifically, shell includes the upper housing 11 combined and lower case 12, and upper housing 11 and lower case 12 are total
With accommodating chamber is formed, certainly, in other alternative embodiments, upper housing 11 and lower case 12 be may be integrally formed, the present embodiment
It is without being limited thereto.
In some alternative embodiments, upper housing 11 and lower case 12 can be two briquettings combined, this
Embodiment is without being limited thereto.
The circuit board 5 is incorporated in the side that the pressure head 2 of the shell stretches out, and the circuit board 5 has described in confession
The through hole that the second end of pressure head 2 stretches out.It will test in circuit integration to the present apparatus in this way, it is subsequent not need setting detection electricity
Technique has been saved on road.
In the present embodiment, the material of conductive layer is the alloy metal materials such as ductility preferable material, such as aluminium alloy, this
When flexible board 7 is bent, conductive layer will not be broken to be caused to be electrically connected interruption between test product 6 and detection circuit sample.
Above-mentioned conducting device when in use, can place it in test product 6 for example, by devices such as mechanical arms
On piezoelectric ceramics, so that the conductive layer contact on piezoelectric ceramics and flexible board 7.
In addition, conducting device pressure on being placed into piezoelectric ceramics is excessive in order to prevent, piezoelectric ceramics product is caused to damage
Bad, in the embodiment show in figure 1, the crimp assemblies further comprise the bolster in the accommodating chamber, described slow
Stamping both ends are contacted with pressure head 2 and receiving cavity wall respectively, provide buffering when contacting for the conductive layer with test product 6.Institute
It states bolster to fix in conjunction with the first end of the pressure head 2, provides buffering when contacting for the conductive layer with test product 6.
It so both can be by the buffer function power of bolster, so that starting will not be caused stress excessive and be led when being pressed on piezoelectric ceramics
The problem of causing test product 6 to damage, also, after conducting device is completely installed on test product 6, it can be connected by flicking
The mode of device, so that there is certain pressure, to preferably make the conductive layer on flexible board 7 between pressure head 2 and test product 6
It is contacted with test product 6.
In the present embodiment, bolster include be incorporated in the pressure head 2 first end end face it is corresponding with the end face described
Accommodate the first spring 31 between cavity wall.When conducting device pressing is on test product 6, the first spring 31 is in certain
Therefore compressive state can provide the reaction force of buffering for it.
Further, described device further comprises regulating part, and the regulating part is for adjusting first spring 31
Pretightning force.The pretightning force of such first spring 31 is adjustable, therefore can set the pre- of the first spring 31 as the case may be
Clamp force, so that first spring 31 can be improved enough buffering reaction forces in conducting device pressing when on test product 6.
Specifically, as shown in connection with fig. 1, regulating part includes combined bushing 41 and screw 42, the screw 42 is passed through
It wears the shell and the duct being formed there through with the shell is threadedly engaged, the bushing 41 is in conjunction with being fixed on first bullet
Between spring 31 and the corresponding receiving cavity wall of the first spring 31.It is rotated by adjusting the screw 42, so that screw 42
Relative to the corresponding receiving cavity wall, towards shell, inside and outside direction is mobile, drive the bushing 41 that links together towards close or
Direction of the person far from the first spring 31 is mobile, to realize the adjusting to 31 pretightning force of the first spring, for example, when bushing 41 is to examining
When the direction of the first spring 31 of grade is mobile, the first spring 31 is gradually compressed, and the pretightning force of the first spring 31 is bigger at this time, on the contrary
, it will not go into details for the utility model.
In preferred embodiment shown in fig. 1, the pressure head 2 includes body part and from the body part to two sides or week
While the limiting section extended to form, the bolster further comprises second spring 32, and the second spring 32 is set to the limit
The lower section in portion is sheathed on the body part.I.e. first end is T shape at this time.In the embodiment, shell includes corresponding resistance
The side wall of the limiting section is kept off, can prevent pressure head 2 from stretching out outside shell in this way.It is remote that the second spring 32 is located at the limiting section
Side from first spring 31.Second spring 32 provides the buffer function power opposite with the first spring 31, when the first spring
31 when being in impaction state, and second spring 32 is in tensional state, conversely, when the first spring 31 is in tensional state, second
Spring 32 is in impaction state, and such second spring 32 further provides buffering for the first spring 31, slow so as to form two-stage
The structure of punching can prevent 31 deformation amplitude of the first spring excessive in this way, and rebound after release impacts piezoelectric ceramics.
Second spring 32 can be symmetrical arranged along the circumferential direction of the pressure head 2, so that cushion effect is average.
It should be noted that in the embodiment of some achievable not set second springs 32, when piezoelectric ceramics is tested
When finishing, conductive layer should be separated slowly with piezoelectric ceramics, and the rebound of the first spring 31 is avoided to have an impact piezoelectric ceramics.
In addition, in a more preferred embodiment, the bushing 41 is formed with recess close to the side of first spring 31,
The end of first spring 31 is arranged in the corresponding recess.On the one hand the recess can limit the shifting of the first spring 31
It is dynamic, so that the first spring 31 will not skid off, so that structure is more stable, on the other hand has the function of being thinned, can subtract
The volume of small conducting device.
Similarly, identical recess is formed on the end face of first end, the end of the first spring 31 is arranged corresponding recessed
In falling into.Further, in the embodiment for including second spring 32, above-mentioned recess, the utility model equally can be set
Details are not described herein.
In addition, flexible board 7 is incorporated on circuit board 5 in embodiment in Fig. 1, i.e., the described flexible board 7 includes covering institute
The extension stating the pressing conducting portion on 2 the second end end face of pressure head and being extended to form from the pressing conducting to two sides, institute
Stating extension includes fixed part and interconnecting piece, and the conductive layer on the fixed part is incorporated on the circuit board 5, the interconnecting piece
It is connected between the pressing conducting portion and the fixed part.In use, the conductive layer on pressing conducting portion connects with test product 6
Touching forms electrical connection.
Those skilled in the art are illustrated, and press the conductive layer on conducting portion, on conductive layer and fixed part on interconnecting piece
Conductive layer should form one and conduct structure.
In the embodiment, the conductive layer on flexible board 7 can be pressed by the fixed block 8 in such as figure is fixed on circuit board 5
On, further, fixed block 8 can be along the pressing conducting portion around flexible board 7 to this setting, the active force combined in this way point
Cloth is more uniform, avoids the occurrence of the problem of locally disconnecting caused by discontinuity.
As shown in connection with fig. 2, the utility model another embodiment provides for a kind of test macro, the test macro packets
Include: host computer with the multiplex signal distributor of the upper mechatronics and is respectively electrically connected with multiplex signal distributor
Multiple conducting devices as described above, on test product is connected in the conducting device, the distribution of PC control multiple signals
Device switch test channel one by one.
The test macro can simultaneously examine the test product on multiple conducting devices by multiplex signal distributor
It surveys, to greatly improve testing efficiency, reduces the breakage rate of test product.
Further, the test macro further includes signal detection apparatus, and the signal detection apparatus is separately connected upper
The waveform of machine and multiplex signal distributor, test product feedback feeds back to host computer by detection device.
As shown in connection with fig. 3, the test macro workflow based on multiplex signal distributor are as follows:
(1) whether upper computer detection signal distributor serial communication is normal；Host computer does signal detection apparatus
calibration；
(2) channel detected required for host computer confirmation carries out serial communication with distributor, and processor receives serial data
And it decodes；
(3) processor sends control signals to dry-reed relay array by bus, open sense channel it is corresponding after
Electric appliance, while confirming that other relays are in close state；
(4) host computer sends a command to signal detection apparatus；
(5) signal detection apparatus sends driving signal to dry-reed relay array, and acquires the signal and meter of return simultaneously
Count evidence；
(6) result is sent to host computer by signal detection apparatus；
(7) host computer closes relay channel.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term " on ", "lower"
To be based on the orientation or positional relationship shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage
Solution is limitations of the present invention.Unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " should be done
It broadly understood, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connection,
It is also possible to be electrically connected；It can be directly connected, can also can be inside two elements indirectly connected through an intermediary
Connection.For the ordinary skill in the art, it can understand as the case may be above-mentioned term in the present invention
Concrete meaning.
It should be noted that relational terms such as first and second and the like are only in the description of the present invention,
Only it is used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying these realities
There are any actual relationship or orders between body or operation.Moreover, the terms "include", "comprise" or its it is any its
He is intended to non-exclusive inclusion by variant, so that the process, method, article or equipment including a series of elements is not
Only include those elements, but also including other elements that are not explicitly listed, or further include for this process, method,
Article or the intrinsic element of equipment.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in the process, method, article or apparatus that includes the element.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention, for those of ordinary skill in the art, above explained
On the basis of can also make other variations or changes in different ways, all embodiments can not be exhaustive here, it is all
It is the guarantor for belonging to obvious changes or variations that the technical solution of the utility model is extended out still in the utility model
Protect the column of range.
Claims (10)
1. a kind of conducting device for piezoelectric ceramics test, which is characterized in that the conducting device includes:
Circuit board is formed with detection circuit thereon；
Flexible board, the flexible board include the conductive layer formed by conductive material, and the flexible board is fixedly connected on the circuit
It is conducted on plate；
Crimp assemblies are located on the flexible board；
When detection, crimp assemblies push flexible board and contact with test product, pass sequentially through circuit board, flexible board in test product
Piezoelectric ceramics on electro-detection.
2. the apparatus according to claim 1, which is characterized in that the crimp assemblies include the shell and pressure with accommodating chamber
Head, described pressure head one end, which is limited in housing accommodating chamber, forms first end, and the other end is protruding from shell, forms second end
Portion, the pressure head are crimped on flexible board.
3. the apparatus of claim 2, which is characterized in that the crimp assemblies further comprise being located at the accommodating chamber
Interior bolster, the bolster both ends contact with pressure head and receiving cavity wall respectively, connect for the conductive layer with test product
Buffering is provided when touching.
4. device according to claim 3, which is characterized in that the bolster includes the first end for being incorporated in the pressure head
Corresponding first spring accommodated between cavity wall of end surface and the end face.
5. device according to claim 4, which is characterized in that the pressure head includes body part and from the body part to two
The limiting section that side or periphery extend to form,
The bolster further comprises second spring, and the second spring is set to the lower section of the limiting section or is sheathed on described
On body part.
6. device according to claim 4 or 5, which is characterized in that described device further comprises regulating part, the adjusting
Part is used to adjust the pretightning force of the bolster.
7. device according to claim 6, which is characterized in that the regulating part includes combined bushing and spiral shell
Silk,
The screw runs through the shell and the duct being formed there through with the shell is threadedly engaged,
The bushing is in conjunction with being fixed between first spring and the corresponding receiving cavity wall of first spring.
8. the apparatus of claim 2, which is characterized in that the pressure head that the circuit board is incorporated in the shell stretched out
Side, and the circuit board has the through hole that the second end for the pressure head stretches out.
9. a kind of test macro, which is characterized in that including host computer, with the multiplex signal distributors of the upper mechatronics with
And it is electrically connected respectively with multiplex signal distributor multiple such as the described in any item conducting devices of claim 1-8, test product
It is connected in the conducting device, PC control multiplex signal distributor switch test channel one by one.
10. test macro according to claim 9, which is characterized in that the test macro further includes signal detection apparatus,
The signal detection apparatus is separately connected host computer and multiplex signal distributor, and the waveform of test product feedback passes through detection device
Feed back to host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821428680.7U CN208818732U (en) | 2018-09-03 | 2018-09-03 | A kind of conducting device and test macro for piezoelectric ceramics test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821428680.7U CN208818732U (en) | 2018-09-03 | 2018-09-03 | A kind of conducting device and test macro for piezoelectric ceramics test |
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| Publication Number | Publication Date |
|---|---|
| CN208818732U true CN208818732U (en) | 2019-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821428680.7U Active CN208818732U (en) | 2018-09-03 | 2018-09-03 | A kind of conducting device and test macro for piezoelectric ceramics test |
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| CN (1) | CN208818732U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884131A (en) * | 2021-09-22 | 2022-01-04 | 海南超船电子商务有限公司 | Intelligent ship for marine environment monitoring |
-
2018
- 2018-09-03 CN CN201821428680.7U patent/CN208818732U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884131A (en) * | 2021-09-22 | 2022-01-04 | 海南超船电子商务有限公司 | Intelligent ship for marine environment monitoring |
| CN113884131B (en) * | 2021-09-22 | 2023-10-20 | 海南超船电子商务有限公司 | Intelligent ship for marine environment monitoring |
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