CN210427735U - Transmitter circuit board testing device capable of detecting metal corrosion degree - Google Patents
Transmitter circuit board testing device capable of detecting metal corrosion degree Download PDFInfo
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- CN210427735U CN210427735U CN201921170021.2U CN201921170021U CN210427735U CN 210427735 U CN210427735 U CN 210427735U CN 201921170021 U CN201921170021 U CN 201921170021U CN 210427735 U CN210427735 U CN 210427735U
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Abstract
The utility model discloses a changer circuit board testing arrangement with detect metal corrosion degree, include the test jig and send the changer, the test jig includes the test jig body, send the changer to set up in the test jig body, send the changer to embed to have supply circuit, be provided with the tray that is used for placing the circuit board on the up end of test jig body, be provided with the metal detection needle who sends the changer on the tray, still be provided with data transmission port and power input port on the up end of test jig body, data transmission port and power input port and send the mutual electric connection of changer. The utility model discloses the changer circuit board testing arrangement who has detection metal corrosion degree tests disc master control PCB board, detects the function, the parameter of PCB board circuit simultaneously to judge whether it is qualified; in addition, after the simulator or the metal probe is connected, the simulation test of real-time monitoring and detection of the corrosion degree of the metal pipeline to be tested by the double PCB can be realized.
Description
Technical Field
The utility model relates to a circuit board detects technical field, concretely relates to changer circuit board testing arrangement with detect metal corrosion degree.
Background
The high-precision test fixture is equipment for testing a PCB (printed Circuit Board) and is used for detecting the short circuit or open circuit condition of a blank PCB, and equipment for testing a semi-finished product containing the PCB is used for detecting whether the semi-finished product has normal functions and then assembling the semi-finished product into a finished product after the semi-finished product is normal.
The existing test fixture is often required to test whether a product is qualified through manual observation, the ubiquitous test precision is low, the operation is more complicated during the test, and the device is not detachable, certain limitation is brought during the actual test operation, so how to provide a test precision is high, the operation is simple and fast during the test, and the high-precision test fixture of the PCB which can be detached is arranged, so that the important problem which needs to be solved at present is formed.
Among the prior art, chinese utility model patent that patent number is 201721800135.1 discloses a high accuracy test fixture of PCB circuit board, include: side plates, positioning seats and rotating shafts; the side plate is arranged on one side of the upper part of the cover plate and is connected with the cover plate in a welding mode; a positioning seat is arranged in the middle of the front part of the side plate, and the side plate is fixedly connected with the positioning seat through a built-in bolt; a pressure rod is arranged in the middle of the inside of the positioning seat, and the positioning seat is connected with the pressure rod through a rotating shaft in a penetrating way; the pressing rod is arranged in the middle of the interior of the pressing seat and is connected with the pressing seat through a first rotating shaft in a penetrating manner; the pressing seat is installed in the middle of the upper portion of the test board and connected with the test board in a welding mode.
The high-precision test fixture for the PCB has the advantages of high test precision, simple and quick operation during test, detachable device and the like by structural improvement and combination with the prior art; however, the existing testing device still has some defects, the existing testing device for the PCB circuit can not simultaneously carry out synchronous serial testing on a plurality of PCB circuit boards with mutually matched functions, and in addition, the existing requirement for carrying out performance simulation testing on the double PCB circuit boards of the corrosion degree of the metal pipeline to be tested can not be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a transmitter circuit board testing device with the function of detecting the metal corrosion degree, which is provided with double PCB detection positions and simultaneously tests the functions and parameters of a disc-shaped main control PCB and a detection PCB circuit to judge whether the functions and parameters are qualified or not; in addition, after the simulator or the metal probe is connected, the simulation test of real-time monitoring and detection of the corrosion degree of the metal pipeline to be tested by the double PCB can be realized.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a changer circuit board testing arrangement with detect metal corrosion degree, includes the test jig and send the changer, the test jig includes the test jig body, send the changer set up in the test jig is originally internal, it embeds to have supply circuit to send the changer, be provided with the tray that is used for placing master control PCB board and detection PCB board on the up end of test jig body, be provided with on the tray send the metal detection needle of changer, still be provided with data transmission port and power input port on the up end of test jig body, data transmission port and power input port with send the mutual electricity of changer to be connected, still be provided with a connector that is linked together with the changer of sending on the test jig body up end, be provided with simulator or metal probe on the connector.
As a further improvement of the utility model, the test jig still includes backup pad, curb plate, positioning seat, quick clamp, the backup pad sets up on the up end of test jig body, the curb plate set up in the backup pad, the positioning seat set up in on the curb plate, quick clamp pass through the fixed axle set up in on the positioning seat, quick clamp includes pull rod, first pivot, connecting piece, second pivot and compresses tightly the seat, the pull rod with fixed axle and first pivot are connected fixedly, the both ends of connecting piece respectively with first pivot and second pivot interconnect, compress tightly the seat with second pivot interconnect.
As a further improvement, the test jig still includes the testboard, the testboard sets up on the up end of test jig body, its and compress tightly a seat interconnect, the testboard passes through the fixed column and connects between test jig body and backup pad, still be provided with the spring on the fixed column, the spring sets up between testboard and test jig body, be provided with spacing post on the lower terminal surface of testboard.
As a further improvement, the data transmission port is a 485 data transmission port, and the 485 data transmission port is electrically connected with the 485 communication tool.
As a further improvement, the power supply switch that is used for controlling the power input is still provided with on the test jig body, power supply switch with the mutual electricity connection of input power of power input port.
As a further improvement, the testing device further comprises a voltage display meter arranged on the testing jig body, wherein the voltage display meter is electrically connected with the transformer.
As a further improvement, the utility model also comprises a work indicator lamp arranged on the test frame body, and the work indicator lamp is electrically connected with the power switch of the transmitter.
As a further improvement, the lower terminal surface of test jig body is provided with down the connecting plate, be provided with a fixed loop configuration down on the connecting plate, be provided with one on the test jig body with the chucking structure that the loop configuration phase-match corresponds, the connecting plate down with the test jig body passes through loop configuration with chucking structure interconnect is fixed.
Placing PCB1 (main control PCB) and PCB2 (detection PCB) on the tray, fixing, and making the lower welding points contact the metal detection pins of the transmitter; inserting a 485 communication tool to a USB port, and then opening a computer-end Microcor tools test tool; the transmitter outputs +5V and-5V power supply voltages to the PCB, and the transmitter outputs test voltage or current signals to each test point of the PCB;
the PCB is tested and detected by taking one good board (main control PCB) as a reference in the function test:
(1) the power supply is adjusted to 24V and to mA grade, and the current is limited to 100 mA;
(2) placing the master control PCB on the right side of the test jig, and taking the master control PCB as a reference;
(3) placing the detection PCB at the left position of the test jig;
(4) turning ON a power switch to an ON position;
(5) at this point 2 voltmeters, 5V on the right and-5V on the left (error + -0.2V);
(6) the current of the power supply does not exceed 70 mA;
(7) after the test is finished, the switch is switched back to the OFF position, the mark is printed, the next PCBA is replaced, the test is started from the step 3, and the like.
The utility model has the advantages that:
the utility model provides a transmitter circuit board testing device with metal corrosion degree detection, which can simultaneously carry out synchronous serial test on the functions and parameters of two disc-shaped main control PCB boards and detection PCB board circuits with mutually matched functions so as to judge whether the circuit is qualified or not; the synchronous serial test can also be simultaneously carried out on other PCB circuit boards with mutually matched functions; in addition, the requirement of performing performance simulation test on the existing double-PCB circuit board for the corrosion degree of the metal pipeline to be tested cannot be met. In addition, the simulator or the metal probe is connected, or the metal probe made of the same material of the gas pipeline is connected and then tested, so that the simulation test of real-time monitoring and detection of the corrosion degree of the metal pipeline to be tested by the double PCB can be realized, the precision is high, and manual intervention is not needed.
To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a perspective view of a transmitter circuit board testing device provided by the present invention;
fig. 2 is a side view of the testing device for a circuit board of a transmitter according to the present invention;
fig. 3 is a top view of the transmitter circuit board testing device provided by the present invention;
in the drawings: 1. a test jig body; 2. a tray; 3. a metal detection pin; 4. a data transmission port; 5. a power supply input port; 6. a support plate; 7. a side plate; 8. positioning seats; 9. quickly clamping; 91. a pull rod; 92. a first rotating shaft; 93. a connecting member; 94. a second rotating shaft; 95. a pressing seat; 10. a fixed shaft; 11. a test bench; 12. fixing a column; 13. a spring 14, a limit post; 15. a power switch; 16. a connecting port; 17. a voltage display meter; 18. a work indicator light; 19. a lower connecting plate; 20. an annular structure; 21. and (4) a clamping structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to the drawings, the present embodiment provides a testing apparatus for a transmitter circuit board capable of detecting metal corrosion, which includes a testing frame and a transmitter, the test rack comprises a test rack body 1, the transmitter is arranged in the test rack body 1, a power supply circuit is arranged in the transmitter, a tray 2 for placing a main control PCB and a detection PCB is arranged on the upper end surface of the test jig body 1, the tray 2 is provided with a metal detection needle 3 of the transmitter, the upper end surface of the test rack body 1 is also provided with a data transmission port 4 and a power supply input port 5, the data transmission port 4 and the power supply input port 5 are electrically connected with the transducer, the upper end face of the test jig body 1 is also provided with a connecting port 16 communicated with the transducer, and the connecting port is provided with a simulator or a metal probe.
As a further improvement of the utility model, the test jig still includes backup pad 6, curb plate 7, positioning seat 8, presss from both sides 9 fast, backup pad 6 sets up on the up end of test jig body 1, curb plate 7 set up in on the backup pad 6, positioning seat 8 set up in on the curb plate 6, press from both sides 9 fast through fixed axle 10 set up in on the positioning seat 8, press from both sides 9 fast including pull rod 91, first pivot 92, connecting piece 93, second pivot 94 and compress tightly seat 95, pull rod 91 with fixed axle 10 and first pivot 92 are connected fixedly, the both ends of connecting piece 93 respectively with first pivot 92 and second pivot 94 interconnect, compress tightly seat 95 with second pivot 94 interconnect.
As a further improvement, the test jig still includes testboard 11, testboard 11 sets up on the up end of test jig body 1, its and compress tightly seat 95 interconnect, testboard 11 is connected between test jig body 1 and backup pad 6 through fixed column 12, still be provided with spring 13 on the fixed column 12, spring 13 sets up between testboard 11 and test jig body 1, be provided with spacing post 14 on the lower terminal surface of testboard 11.
As a further improvement of the utility model, the data transmission port 4 is a 485 data transmission port, the 485 data transmission port is connected with 485 communication tool electricity each other.
As a further improvement, the testing jig body 1 is further provided with a power switch 15 for controlling power input, the power switch 15 is electrically connected with the input power of the power input port 5.
As a further improvement of the present invention, the testing jig further comprises a voltage display meter 17 disposed on the testing jig body 1, wherein the voltage display meter 17 is electrically connected to the transformer.
As a further improvement of the utility model, still include the work pilot lamp 18 that sets up on the test jig body 1, work pilot lamp 18 is connected with sending changer switch 15 electricity each other.
As a further improvement, the lower terminal surface of the test jig body 1 is provided with a lower connecting plate 19, be provided with a fixed annular structure 20 down on the connecting plate 19, be provided with one on the test jig body 1 with the chucking structure 21 that the 20 phase-matchings of annular structure correspond, lower connecting plate 19 with the test jig body 1 passes through annular structure 20 with chucking structure 21 interconnect is fixed.
Placing PCB1 (main control PCB) and PCB2 (detection PCB) on the tray, fixing, and making the lower welding points contact the metal detection pins of the transmitter; inserting a 485 communication tool to a USB port, and then opening a computer-end Microcor tools test tool; the transmitter outputs +5V and-5V power supply voltages to the PCB, and the transmitter outputs test voltage or current signals to each test point of the PCB;
the PCB is tested and detected by taking one good board (main control PCB) as a reference in the function test:
(1) the power supply is adjusted to 24V and to mA grade, and the current is limited to 100 mA;
(2) placing the master control PCB on the right side of the test jig, and taking the master control PCB as a reference;
(3) placing the detection PCB at the left position of the test jig;
(4) turning ON a power switch to an ON position;
(5) at this point 2 voltmeters, 5V on the right and-5V on the left (error + -0.2V);
(6) the current of the power supply does not exceed 70 mA;
(7) after the test is finished, the switch is switched back to the OFF position, the mark is printed, the next PCBA is replaced, the test is started from the step 3, and the like.
The transmitter circuit board testing device with the function of detecting the metal corrosion degree in the embodiment has the key design points that:
in the transmitter circuit board testing device for detecting the metal corrosion degree, the functions and parameters of the two disc-shaped main control PCB boards and the detection PCB board circuit which have mutually matched functions are subjected to serial synchronous testing to judge whether the functions and parameters are qualified or not; in addition, the simulator or the metal probe is connected, or the metal probe with the same material as the gas pipeline is connected and then tested, so that the simulation test of real-time monitoring and detection of the corrosion degree of the metal pipeline to be tested by the double PCBs can be realized, the accuracy is high, and manual intervention is not needed.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. The invention is not limited to the embodiments described herein, but is capable of other embodiments with obvious modifications and variations, including those shown in the drawings and described herein. Therefore, the equivalent changes made according to the shape, structure and principle of the present invention should be covered in the protection scope of the present invention.
Claims (8)
1. The utility model provides a changer circuit board testing arrangement with detect metal corrosion degree, its characterized in that, includes the test jig and send the changer, the test jig includes the test jig body, send the changer set up in the test jig is originally internal, it has supply circuit to send the changer embeds, be provided with the tray that is used for placing master control PCB board and detection PCB board on the up end of test jig body, be provided with on the tray send the metal detection needle of changer, still be provided with data transmission port and power input port on the up end of test jig body, data transmission port and power input port with send the changer electricity interconnect, still be provided with a connector that is linked together with the changer on the test jig body up end, be provided with simulator or metal probe on the connector.
2. The transmitter circuit board testing device with the function of detecting the metal corrosion degree of claim 1, wherein the testing jig further comprises a supporting plate, a side plate, a positioning seat and a quick clamp, the supporting plate is arranged on the upper end face of the testing jig body, the side plate is arranged on the supporting plate, the positioning seat is arranged on the side plate, the quick clamp is arranged on the positioning seat through a fixing shaft, the quick clamp comprises a pull rod, a first rotating shaft, a connecting piece, a second rotating shaft and a pressing seat, the pull rod is fixedly connected with the fixing shaft and the first rotating shaft, two ends of the connecting piece are respectively connected with the first rotating shaft and the second rotating shaft, and the pressing seat is connected with the second rotating shaft.
3. The device for testing the circuit board of the transmitter with the function of detecting the corrosion degree of the metal as claimed in claim 2, wherein the test rack further comprises a test board, the test board is arranged on the upper end face of the test rack body and is connected with the pressing seat, the test board is connected between the test rack body and the supporting plate through a fixing column, a spring is further arranged on the fixing column, the spring is arranged between the test board and the test rack body, and a limiting column is arranged on the lower end face of the test board.
4. The transmitter circuit board testing device with the function of detecting the corrosion degree of the metal as claimed in claim 1, wherein said data transmission port is a 485 data transmission port, and said 485 data transmission port is electrically connected with a 485 communication tool.
5. The transmitter circuit board testing device with the function of detecting the metal corrosion degree according to claim 1, wherein a power switch for controlling power input is further arranged on the test frame body, and the power switch is electrically connected with an input power supply of the power input port.
6. The transmitter board testing device with detecting metal corrosion degree of claim 1, further comprising a voltage display meter disposed on the testing frame body, wherein the voltage display meter is electrically connected with the transmitter.
7. The transmitter circuit board testing device with the function of detecting the metal corrosion degree of claim 1, further comprising a work indicator lamp arranged on the testing frame body, wherein the work indicator lamp is electrically connected with the transmitter power switch.
8. The transmitter circuit board testing device with the function of detecting the metal corrosion degree according to claim 1, wherein a lower connecting plate is arranged on the lower end face of the testing jig body, a fixed annular structure is arranged on the lower connecting plate, a clamping structure matched and corresponding to the annular structure is arranged on the testing jig body, and the lower connecting plate and the testing jig body are mutually connected and fixed through the annular structure and the clamping structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921170021.2U CN210427735U (en) | 2019-07-24 | 2019-07-24 | Transmitter circuit board testing device capable of detecting metal corrosion degree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921170021.2U CN210427735U (en) | 2019-07-24 | 2019-07-24 | Transmitter circuit board testing device capable of detecting metal corrosion degree |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210427735U true CN210427735U (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921170021.2U Active CN210427735U (en) | 2019-07-24 | 2019-07-24 | Transmitter circuit board testing device capable of detecting metal corrosion degree |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210427735U (en) |
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2019
- 2019-07-24 CN CN201921170021.2U patent/CN210427735U/en active Active
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