CN111239533A - Semi-automatic detection machine for signal isolator - Google Patents
Semi-automatic detection machine for signal isolator Download PDFInfo
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- CN111239533A CN111239533A CN202010189335.8A CN202010189335A CN111239533A CN 111239533 A CN111239533 A CN 111239533A CN 202010189335 A CN202010189335 A CN 202010189335A CN 111239533 A CN111239533 A CN 111239533A
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- 239000000523 sample Substances 0.000 claims abstract description 85
- 238000012360 testing method Methods 0.000 claims abstract description 42
- 230000001960 triggered effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000994 depressogenic effect Effects 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 2
- 238000009434 installation Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
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- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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Abstract
According to the semi-automatic detection machine for the signal isolator, the positioning groove is formed in the fixing plate, so that the lower end part of the signal isolator can be embedded into the positioning groove, and the positioning of the signal isolator is realized; the connecting plate is arranged on the moving part of the cylinder, and the connecting column and the probe assembly comprising the probe body are arranged on the connecting plate, so that when the moving part moves downwards, the lower end of the probe body can be abutted against a wiring terminal of the signal isolator, the testing device and the light emitting diode are electrically connected with the signal isolator, and the detection of the signal isolator is realized; the connecting column is arranged on the lower surface of the connecting plate in a left-right moving mode, and the probe assembly is arranged at the lower end part of the connecting column in a front-back moving mode, so that the position of the probe body can be adjusted in four directions, namely front, back, left and right, and the probe body can be aligned to a wiring terminal of the signal isolator; the detection device does not need wiring during use, and is high in detection efficiency, high in safety and simple to operate.
Description
Technical Field
The invention relates to the field of signal isolator manufacturing, in particular to a semi-automatic detection machine for a signal isolator.
Background
The signal isolator is a signal isolator, which transmits and outputs single-path or double-path linear current or voltage signals of single-path or double-path input, improves the electrical isolation performance among input, output and power supply, and is widely applied to various electrical equipment.
The produced signal isolator needs to be detected before leaving a factory, the existing testing mode is manual testing, and the following steps need to be carried out during testing:
1. connecting a power line to the power input end of the signal isolator in a lap joint manner, connecting a connecting line of a signal source to the signal input end of the signal isolator in a lap joint manner, and connecting detection equipment such as a universal meter and the like to the signal output end of the signal isolator in a lap joint manner through a conductive wire;
2. and adjusting the magnitude of the signal output by the signal source, observing the value change of detection equipment such as a universal meter and the like, and judging whether the signal isolator is normal or not.
In the mode, wiring and disconnecting are required for many times when one signal isolator is detected, the detection efficiency is low, the safety is low, the operation is complex, wrong wiring is easy to connect, wrong wiring can cause misjudgment, and the signal isolator can be seriously damaged.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a semi-automatic detection machine of a signal isolator, which has high detection efficiency, high safety, simple operation and no need of wiring.
In order to achieve the above object, the present invention adopts a technical solution that a semi-automatic detector for signal isolators comprises:
a base plate;
the fixing plate is detachably fixed on the upper surface of the bottom plate, a positioning groove which is recessed downwards is formed in the upper surface of the fixing plate, and when the signal isolator is fixed on the fixing plate, the bottom of the signal isolator is embedded into the positioning groove;
the cylinder comprises a cylinder body, a piston and a movable part, the cylinder body is arranged on the bottom plate, the piston can be arranged in the cylinder body in a vertically moving mode, the movable part is directly or indirectly connected to the piston, and the movable part comprises a cylinder rod and/or a sliding block;
control means for controlling the action of said piston;
the connecting plate is detachably fixed on the movable piece, and the plane where the connecting plate is located is parallel to the upper surface of the fixed plate;
the connecting column is arranged on the lower surface of the connecting plate in a manner of moving left and right;
the probe assembly comprises a mounting plate, a probe shell, a probe body and a spring, wherein the mounting plate is arranged at the lower end of the connecting column in a back-and-forth moving manner, the probe shell is inserted into a mounting hole in the mounting plate and is in threaded connection with the mounting hole, the axial lead of the probe shell is vertical to the horizontal plane, the probe body can be arranged on the probe shell in a penetrating manner in a vertical moving manner, the upper end part of the probe body protrudes out of the upper surface of the mounting plate, the lower end part of the probe body protrudes out of the lower surface of the mounting plate, a space for accommodating the spring is arranged between the outer wall of the probe body and the inner wall of the probe shell, the spring has a tendency of driving the probe body to move downwards, and the probe body is positioned above a wiring terminal of the;
the test device is electrically connected with the probe body positioned above the wiring terminal at the input end of the signal isolator and is used for providing a power supply and a test signal for the signal isolator;
and two ends of the light-emitting diode are electrically connected with the probe body above the wiring terminal at the output end of the signal isolator, so that the light-emitting diode is connected in series at the output end of the signal isolator.
Preferably, the constant head tank is link up mutually by first constant head tank and second constant head tank and forms, first constant head tank extends along left right direction, first constant head tank only is in the upper surface of fixed plate is equipped with the opening, the second constant head tank extends along the fore-and-aft direction, the second constant head tank is in upper surface, front surface and the rear surface of fixed plate all are equipped with the opening when the signal isolator is fixed on the fixed plate, the bottom embedding of signal isolator in the first constant head tank.
Further preferably, the groove depth of the second positioning groove in the vertical direction is greater than or equal to the groove depth of the first positioning groove in the vertical direction.
Preferably, the number of the cylinders is at least two.
Further preferably, the cylinder is a rodless cylinder, and the connecting plate is detachably fixed to a sliding block of the rodless cylinder.
Preferably, the control device comprises an electromagnetic valve connected to the air path of the cylinder, and a foot switch electrically connected to the electromagnetic valve, wherein when the foot switch is pressed down and turned on, the electromagnetic valve acts to control the piston to move downwards, and when the foot switch is reset and turned off, the electromagnetic valve acts to control the piston to move upwards.
Preferably, a sensor for detecting the position of the piston is arranged on the cylinder, and the sensor comprises a first sensor for detecting whether the piston is located at the lower working position and a second sensor for detecting whether the piston is located at the upper working position.
Further preferably, the first sensor is electrically connected to the testing device, and the testing device outputs a test signal when the first sensor is triggered.
Preferably, the testing device is connected and electrically conducted with the probe body located above the wiring terminal at the input end of the signal isolator through a conductive wire, and the connecting plate is provided with a through hole for the conductive wire to pass through.
Further preferably, the test signal output by the test device is an alternating current signal with a linearly increasing current value, and the current value of the test signal ranges from 0 to 5A.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
according to the semi-automatic detection machine for the signal isolator, the positioning groove is formed in the fixing plate, so that the lower end part of the signal isolator can be embedded into the positioning groove, and the positioning of the signal isolator is realized; the connecting plate is arranged on the moving part of the cylinder, and the connecting column and the probe assembly comprising the probe body are arranged on the connecting plate, so that when the moving part moves downwards, the lower end of the probe body can be abutted against a wiring terminal of the signal isolator, the testing device and the light emitting diode are electrically connected with the signal isolator, and the detection of the signal isolator is realized; the connecting column is arranged on the lower surface of the connecting plate in a left-right moving mode, and the probe assembly is arranged at the lower end part of the connecting column in a front-back moving mode, so that the position of the probe body can be adjusted in four directions, namely front, back, left and right, and the probe body can be aligned to a wiring terminal of the signal isolator; the detection device does not need wiring during use, and is high in detection efficiency, high in safety and simple to operate.
Drawings
Fig. 1 is a schematic front view of the present invention, where a signal isolator is placed, partially in section, with some of the electrical and gas connections not shown.
Fig. 2 is a top view of the present invention with no signal isolator, and with no electrical and pneumatic connections shown.
FIG. 3 is a schematic right sectional view of the connecting column and probe assembly of FIG. 1 at A.
Wherein: 100. a base plate; 200. a fixing plate; 201. positioning a groove; 2011. a first positioning groove; 2012. a second positioning groove; 300. a cylinder; 301. a slider; 302. a first sensor; 303. a second sensor; 400. a control device; 401. an electromagnetic valve; 402. a foot switch; 500. a connecting plate; 501. a through hole; 502. a notch; 600. connecting columns; 700. a probe assembly; 701. mounting a plate; 702. a probe housing; 703. a probe body; 704. a spring; 801. a testing device; 802. a light emitting diode; 803. a conductive wire; 900. a signal isolator; 901. and a terminal.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
The left and right directions described in the present invention refer to the left and right directions in fig. 1, the up and down directions described in the present invention refer to the up and down directions in fig. 1, and the front and rear directions described in the present invention refer to the down and up directions in fig. 2.
As shown in fig. 1-3, the present invention provides a semi-automatic testing machine for signal isolators, comprising: a base plate 100, a fixing plate 200, a cylinder 300, a control device 400, a connecting plate 500, a connecting column 600, a probe assembly 700, a testing device 800 and a light emitting diode 900, wherein the fixing plate 200 is used for fixing the signal isolator 900, the fixing plate 200 is detachably fixed on the upper surface of the base plate 100, the upper surface of the fixing plate 200 is provided with a positioning groove 201 which is recessed downwards, when the signal isolator 900 is fixed to the fixing plate 200, the lower bottom of the signal isolator 900 is inserted into the positioning groove 201, and it is conceivable, when the size of the lower bottom of the signal isolator 900 changes due to the replacement of another type of signal isolator 900, the positioning plate 200 having the positioning slot 201 with the corresponding size needs to be replaced, so that the lower bottom of the signal isolator 900 can be embedded into the positioning groove 201, and the semi-automatic detector for the signal isolator provided by the invention has the function of detecting various types of signal isolators; the cylinder 300 comprises a cylinder body, a piston and a movable part, wherein the cylinder body is arranged on the upper surface of the base plate 100, the piston can be arranged in an inner cavity of the cylinder body in a vertically moving mode, the movable part is directly or indirectly connected to the piston, and the movable part comprises a cylinder rod and/or a sliding block; control means 400 for the action of said piston; the connecting plate 500 is detachably fixed on the movable part of the cylinder 300, and the plane of the connecting plate 500 is parallel to the upper surface of the fixing plate 200; the connecting column 600 is arranged on the lower surface of the connecting plate 500 in a left-right moving manner, specifically, a waist-shaped hole extending along the left-right direction is formed in the connecting plate 500, a screw for fixing the connecting column 600 is arranged in the waist-shaped hole, and the connecting column 600 can move left and right relative to the connecting plate 500 through the left and right movement of the screw in the waist-shaped hole; the probe assembly 700 comprises a mounting plate 701, a probe shell 702, a probe body 703 and a spring 704, wherein the probe assembly 700 is arranged at the lower end of the connecting column 600 in a manner of moving back and forth, specifically, a waist-shaped hole extending in the front and back directions is formed in the mounting plate 701, a screw for fixing the mounting plate 701 at the lower end of the connecting column 600 is arranged in the waist-shaped hole, the mounting plate 701 can move back and forth relative to the connecting column 600 through the back and forth movement of the screw in the waist-shaped hole, and the front end and the back end of the mounting plate 701 are both connected with the connecting column 600 to.
The probe shell 702 is inserted into an installation hole on the installation plate 701 and is in threaded connection with the installation hole, the axis of the probe shell 702 is perpendicular to the horizontal plane, the probe shell 702 is a cylindrical shell, the probe body 703 is made of metal, the probe body 703 can be vertically and vertically arranged on the probe shell 702 in a penetrating mode, the upper end portion of the probe body 703 protrudes out of the upper surface of the installation plate 701, the lower end portion of the probe body 703 protrudes out of the lower surface of the installation plate 701, a space for accommodating the spring 704 is formed between the outer wall of the probe body 703 and the inner wall of the probe shell 702, the specific arrangement mode of the spring 704 is the prior art and is not the invention point of the invention, the description is omitted, the spring 704 has a tendency of driving the probe body 703 to move downwards, and the probe body 703 is located right above a.
The signal isolator 900 has a plurality of connecting terminals 901, including power connecting terminal, signal input connecting terminal and signal output connecting terminal, testing arrangement 801 sets up the upper surface at bottom plate 100, and testing arrangement 801 is connected with the probe body 703 that is located signal isolator 900 power connecting terminal and signal input connecting terminal top, and testing arrangement 801 is used for providing power and test signal to signal isolator 900, and testing arrangement 801 includes PLC and switching power supply.
The light emitting diode 802 is disposed on the upper surface of the bottom plate 100, and two ends of the light emitting diode 802 are electrically connected to the probe body 703 above the signal output terminal wiring terminal of the signal isolator 900, so that the light emitting diode 802 is connected in series to the signal output terminal of the signal isolator 900, when the signal output terminal of the signal isolator 900 outputs a signal, the light emitting diode 802 is turned on, and the brightness of the light emitting diode 802 is turned on along with the increase of the signal output terminal output signal of the signal isolator 900, where the increase of the output signal refers to the increase of the current value of the output current signal.
The positioning groove 201 is formed by mutually communicating a first positioning groove 211 and a second positioning groove 2012, the first positioning groove 2011 extends in the left-right direction, the first positioning groove 2011 is only provided with an opening on the upper surface of the fixing plate 200, the second positioning groove 2012 extends in the front-back direction, the second positioning groove 2012 is provided with openings on the upper surface, the front surface and the rear surface of the fixing plate 200, when the signal isolator 900 is fixed on the fixing plate 200, the bottom of the signal isolator 900 is embedded into the first positioning groove 2011, the second positioning groove 2012 is used for avoiding the hands of workers who take and place the signal isolator 900, the groove depth of the second positioning groove 2012 in the up-down direction is equal to the groove depth of the first positioning groove 2011 in the up-down direction, and specifically, the depth of the groove depth is 8-15 mm.
The air cylinders 300 are rodless air cylinders, the connecting plate 500 is detachably fixed on the sliding blocks 301 of the air cylinders 300, the sliding direction of the sliding blocks 301 is perpendicular to the horizontal plane, and the two air cylinders 300 are respectively positioned at the left side and the right side of the fixing plate 200; the benefits of using a rodless cylinder are: 1. the space occupied by the cylinder can be reduced, and the miniaturization and integration of the semi-automatic detection machine of the signal isolator are facilitated; 2. the guide rail is not needed, so that the connecting plate 500 can move up and down more stably; 3. the connection between the connection plate 500 and the piston inside the cylinder 300 is a magnetic non-contact connection, so that when the piston inside the cylinder 300 moves downwards at too high speed and the impact force is too large, the impact force generated when the probe body 703 and the connection terminal 901 of the signal isolator 900 are impacted can be absorbed by the separation of the inner and outer magnetic rings inside the cylinder 300, and the probe body 703 and the connection terminal 901 are protected from being damaged.
The cylinder 300 is provided with a sensor for detecting the position of the piston of the cylinder 300, the sensor comprises a first sensor 302 for detecting whether the piston is located at a lower working position and a second sensor 303 for detecting whether the piston is located at an upper working position, when the piston is located at the lower working position, the lower end of the probe body 702 is abutted against the wiring terminal 901 of the signal isolator 900, so that the probe body 702 is electrically conducted with the wiring terminal 901, and when the piston is located at the upper working position, the probe body 702 is far away from the wiring terminal 901 of the signal isolator 900, so that the signal isolator 900 can be conveniently taken down from the fixing plate 200; the first sensor 302 is electrically connected with the testing device 801, when the first sensor 302 is triggered, the testing device 801 outputs a testing signal, wherein the testing signal is an alternating current signal with a linearly increased current value, and the current value range of the testing signal is 0-5A; the second sensor 303 is electrically connected to a protection circuit (not shown) of the foot switch 402, and the foot switch 402 is turned on by pressing the foot switch 402 on the premise that the second sensor 303 is triggered.
The testing device 801 and the light emitting diode 802 are electrically connected to the upper end of the probe body 703 through a conductive wire 803, and a through hole for passing the conductive wire 803 is formed in the connection plate 500.
The benefits of providing the connecting column 600 are the following: 1. by replacing the connecting columns 600 with different heights, the signal isolators 900 with different models can be matched, so that the semi-automatic detector for the signal isolators provided by the invention has strong adaptability and low use cost; 2. by arranging the connecting column 600, the position of the probe assembly 700 can be adjusted front, back, left and right, and the probe body 703 can be ensured to be aligned with the wiring terminal 901 of the signal isolator 900; 3. when the distance between the adjacent binding post of signal isolator changes, only need dismantle probe assembly 700 change can, need not to dismantle connecting plate 500 and spliced pole 600, working strength is low, and use cost is low.
For the signal isolator that the middle part upwards protrudes to be higher than both ends binding post, still offer the breach 502 that is used for dodging on the connecting plate 500, breach 502 extends backward from the leading flank middle part of connecting plate 500.
The following describes the operation of the semi-automatic testing machine for signal isolators provided by the present invention in order to further illustrate the advantages and features of the present invention.
When the signal isolator is tested, the method comprises the following steps:
1. the bottom of the signal isolator 900 is placed in the first detent 2011;
2. adjusting the position of the probe assembly 700 in the front-back and left-right directions to align the probe body 703 with the connection terminal 901 of the signal isolator 900;
3. the foot switch 402 is stepped on, so that the piston of the cylinder 300 moves downwards to a lower working position, the lower end part of the probe body 703 is tightly abutted on the wiring terminal 901 and is electrically conducted with the wiring terminal 901, and the first sensor 302 is triggered, so that the testing device 801 outputs a testing signal;
4. observing the brightness change of the light emitting diode 802, if the brightness of the light emitting diode is continuously enhanced, the signal isolator is normal, and if the light emitting diode is not lightened or the brightness of the light emitting diode is not changed, the signal isolator is abnormal;
5. the pedal switch 402 is released, so that the piston of the cylinder 300 moves upwards to the upper working position, the detected signal isolator is taken down and put into the signal isolator to be detected again;
6. and (3) repeating the steps 1-5 to finish the detection of the next signal isolator, and certainly, if the model of the next signal isolator is not changed, the step 2 can not be carried out when the steps 1-5 are repeated.
According to the semi-automatic detection machine for the signal isolator, the positioning groove is formed in the fixing plate, so that the lower end part of the signal isolator can be embedded into the positioning groove, and the positioning of the signal isolator is realized; the connecting plate is arranged on the moving part of the cylinder, and the connecting column and the probe assembly comprising the probe body are arranged on the connecting plate, so that when the moving part moves downwards, the lower end of the probe body can be abutted against a wiring terminal of the signal isolator, the testing device and the light emitting diode are electrically connected with the signal isolator, and the detection of the signal isolator is realized; the connecting column is arranged on the lower surface of the connecting plate in a left-right moving mode, and the probe assembly is arranged at the lower end part of the connecting column in a front-back moving mode, so that the position of the probe body can be adjusted in four directions, namely front, back, left and right, and the probe body can be aligned to a wiring terminal of the signal isolator; the detection device does not need wiring during use, and is high in detection efficiency, high in safety and simple to operate.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (10)
1. A semi-automatic detection machine of a signal isolator is characterized by comprising:
a base plate;
the fixing plate is detachably fixed on the upper surface of the bottom plate, a positioning groove which is recessed downwards is formed in the upper surface of the fixing plate, and when the signal isolator is fixed on the fixing plate, the bottom of the signal isolator is embedded into the positioning groove;
the cylinder comprises a cylinder body, a piston and a movable part, the cylinder body is arranged on the bottom plate, the piston can be arranged in the cylinder body in a vertically moving mode, the movable part is directly or indirectly connected to the piston, and the movable part comprises a cylinder rod and/or a sliding block;
control means for controlling the action of said piston;
the connecting plate is detachably fixed on the movable piece, and the plane where the connecting plate is located is parallel to the upper surface of the fixed plate;
the connecting column is arranged on the lower surface of the connecting plate in a manner of moving left and right;
the probe assembly comprises a mounting plate, a probe shell, a probe body and a spring, wherein the mounting plate is arranged at the lower end of the connecting column in a back-and-forth moving manner, the probe shell is inserted into a mounting hole in the mounting plate and is in threaded connection with the mounting hole, the axial lead of the probe shell is vertical to the horizontal plane, the probe body can be arranged on the probe shell in a penetrating manner in a vertical moving manner, the upper end part of the probe body protrudes out of the upper surface of the mounting plate, the lower end part of the probe body protrudes out of the lower surface of the mounting plate, a space for accommodating the spring is arranged between the outer wall of the probe body and the inner wall of the probe shell, the spring has a tendency of driving the probe body to move downwards, and the probe body is positioned above a wiring terminal of the;
the test device is electrically connected with the probe body positioned above the wiring terminal at the input end of the signal isolator and is used for providing a power supply and a test signal for the signal isolator;
and two ends of the light-emitting diode are electrically connected with the probe body above the wiring terminal at the output end of the signal isolator, so that the light-emitting diode is connected in series at the output end of the signal isolator.
2. The semiautomatic detector for a signal isolator as claimed in claim 1, wherein said positioning groove is formed by a first positioning groove and a second positioning groove, said first positioning groove extends in the left-right direction, said first positioning groove has an opening only on the upper surface of said fixing plate, said second positioning groove extends in the front-rear direction, said second positioning groove has openings on the upper surface, front surface and rear surface of said fixing plate, and when said signal isolator is fixed on said fixing plate, the bottom of said signal isolator is embedded in said first positioning groove.
3. The signal isolator semiautomatic inspection machine according to claim 2, wherein the groove depth of said second positioning groove in the up-down direction is greater than or equal to the groove depth of said first positioning groove in the up-down direction.
4. The signal isolator semiautomatic inspection machine according to claim 1, wherein said cylinders are at least two.
5. The semi-automatic testing machine of claim 4, wherein said cylinder is a rodless cylinder, and said connecting plate is detachably fixed to a slide block of said rodless cylinder.
6. The semi-automatic detector of claim 1, wherein said control device comprises a solenoid valve connected to said cylinder air passage, a foot switch electrically connected to said solenoid valve, said solenoid valve being actuated to control said piston to move downward when said foot switch is depressed and turned on, and said solenoid valve being actuated to control said piston to move upward when said foot switch is reset and turned off.
7. The semi-automatic detector of claim 1, wherein the cylinder is provided with a sensor for detecting the position of the piston, and the sensor comprises a first sensor for detecting whether the piston is located at a lower working position and a second sensor for detecting whether the piston is located at an upper working position.
8. The signal isolator semiautomatic detection machine according to claim 7, wherein said first sensor is electrically connected to said testing device, said testing device outputting a test signal when said first sensor is triggered.
9. The semi-automatic detector of signal isolator as claimed in claim 1, wherein the testing device and the light emitting diode are electrically connected to the upper end of the probe body through a conductive wire, and the connecting plate is provided with a through hole for the conductive wire to pass through.
10. The semi-automatic detection machine for the signal isolator is characterized in that the test signal output by the test device is an alternating current signal with a linearly increased current value, and the current value of the test signal ranges from 0A to 5A.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010189335.8A CN111239533B (en) | 2020-03-18 | 2020-03-18 | Semi-automatic detector for signal isolator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010189335.8A CN111239533B (en) | 2020-03-18 | 2020-03-18 | Semi-automatic detector for signal isolator |
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| CN111239533A true CN111239533A (en) | 2020-06-05 |
| CN111239533B CN111239533B (en) | 2024-06-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112578163A (en) * | 2020-12-24 | 2021-03-30 | 烟台正海科技股份有限公司 | Double-sided probe test fixture and test method thereof |
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| CN109959829A (en) * | 2017-12-22 | 2019-07-02 | 北京北广科技股份有限公司 | A kind of sampling plate high speed tester |
| CN110877020A (en) * | 2019-11-18 | 2020-03-13 | 镇江宏联电工有限公司 | Wiring terminal strip test on-off test machine |
| CN211856771U (en) * | 2020-03-18 | 2020-11-03 | 苏州昌辰仪表有限公司 | Semi-automatic detection machine for signal isolator |
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2020
- 2020-03-18 CN CN202010189335.8A patent/CN111239533B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105659884B (en) * | 2007-11-15 | 2012-03-07 | 北京航天测控技术有限公司 | A kind of intelligent self calibration adapter for automatically testing |
| CN109959829A (en) * | 2017-12-22 | 2019-07-02 | 北京北广科技股份有限公司 | A kind of sampling plate high speed tester |
| CN110877020A (en) * | 2019-11-18 | 2020-03-13 | 镇江宏联电工有限公司 | Wiring terminal strip test on-off test machine |
| CN211856771U (en) * | 2020-03-18 | 2020-11-03 | 苏州昌辰仪表有限公司 | Semi-automatic detection machine for signal isolator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112578163A (en) * | 2020-12-24 | 2021-03-30 | 烟台正海科技股份有限公司 | Double-sided probe test fixture and test method thereof |
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| CN111239533B (en) | 2024-06-25 |
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