CN220381243U - Circuit test fixture - Google Patents
Circuit test fixture Download PDFInfo
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- CN220381243U CN220381243U CN202321666772.XU CN202321666772U CN220381243U CN 220381243 U CN220381243 U CN 220381243U CN 202321666772 U CN202321666772 U CN 202321666772U CN 220381243 U CN220381243 U CN 220381243U
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- 238000012360 testing method Methods 0.000 title claims abstract description 31
- 238000003825 pressing Methods 0.000 claims abstract description 27
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000007726 management method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012812 general test Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a circuit testing tool, which comprises: the device comprises a positioning tool, a tool pressing plate and a power device, wherein the positioning tool is provided with a plurality of part fixing modules and ejector pins, the part fixing modules are used for fixing a part to be detected, and the ejector pins are connected with the part to be detected; the tool pressing plate and the positioning tool are arranged opposite to each other, and clamp the piece to be detected; the power device drives the tool pressing plate to be close to or far away from the positioning tool. According to the utility model, the positioning tool and the tool pressing plate are adopted to press the to-be-detected piece, meanwhile, the connection between the ejector pin and the to-be-detected piece is realized, further, the detection is realized, only the part needing manual operation is placed between the positioning tool and the tool pressing plate, and the labor cost is greatly saved. According to the utility model, the part fixing module is used for fixing the part to be detected, so that the thimble extends into the fixed position of the part to be detected, and the detection error can be reduced.
Description
Technical Field
The utility model relates to the technical field of circuit testing tools, in particular to a circuit testing tool.
Background
For the 25-path circuit of the communication module, especially RS485 communication, quality detection is required before delivery, and after batch production, sampling and sample measurement are generally required for performance of the communication module, and manual detection is used for general test. This has the following problems, namely, first wasting labor cost; the second manual detection is easy to have errors, a detection standard is formulated in time, and differences exist between operators and people of the standard, so that different results are detected by the communication modules with the same quality, and the judgment of the quality of the product batch is further caused to come in and go out.
Disclosure of Invention
Accordingly, the present utility model is directed to a circuit testing tool.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a circuit testing tool, comprising:
the positioning tool is provided with a bearing plane, a plurality of part fixing modules and ejector pins are arranged on the bearing plane, the part fixing modules are used for fixing a part to be detected, and the ejector pins are connected with the part to be detected;
the tool pressing plate is arranged opposite to the positioning tool, a plurality of part fixing modules and the ejector pins are arranged between the tool pressing plate and the bearing plane, and the tool pressing plate and the positioning tool clamp the part to be detected;
and the power device drives the tool pressing plate to be close to or far away from the positioning tool.
The above-mentioned circuit test fixture, wherein still includes: the device comprises a fixed support and an upper cover plate, wherein the upper cover plate and the power device are connected to the fixed support, and the positioning tool is fixedly connected with the upper cover plate.
The above-mentioned circuit test fixture, wherein, location frock includes: base, left side board, right side board, preceding curb plate and posterior lateral plate, the left side board preceding curb plate the right side board with the posterior lateral plate connects gradually and connects form a rectangular lid dress structure on the one side of base, part fixed module with the thimble is all located on the one side of base, the one side of base orientation frock clamp plate sets up.
The above-mentioned circuit test fixture, wherein still includes: and the buzzer is arranged on the positioning tool.
The circuit testing tool is characterized in that the ejector pin is connected with external computing equipment, and the buzzer is also connected with the external computing equipment.
The above-mentioned circuit test fixture, wherein, power device includes:
the fixing part is fixedly connected with the fixing bracket, and a sleeve is formed on the fixing part;
the movable part is arranged in the sleeve, moves along the sleeve, and one end of the movable part is fixedly connected with the tool pressing plate;
the first connecting rod, one end of the said first connecting rod is connected with another end of the said movable part rotatably;
the second connecting rod, the one end of second connecting rod with the other end of head rod is rotationally connected, the middle part of second connecting rod with the fixed part is rotationally connected through a pivot, the both ends of second connecting rod can use the pivot is the center rotation.
The above-mentioned circuit test fixture, wherein still includes: and the adjustable compression wrench is connected with the other end of the second connecting rod.
The circuit testing tool comprises a part fixing module, a part fixing module and a detecting module, wherein the part fixing module is approximately circular, the part fixing module is provided with an arc-shaped concave portion, the part to be detected is clamped on the part fixing module, and the part to be detected is provided with a convex portion and the concave portion to be matched.
The circuit testing tool is characterized in that each to-be-detected piece is arranged on three adjacent part fixing modules, and the three part fixing modules correspond to the two ends and the middle of the to-be-detected piece respectively.
The utility model adopts the technology, so that compared with the prior art, the utility model has the positive effects that:
(1) According to the utility model, the positioning tool and the tool pressing plate are adopted to press the to-be-detected piece, meanwhile, the connection between the ejector pin and the to-be-detected piece is realized, further, the detection is realized, only the part needing manual operation is placed between the positioning tool and the tool pressing plate, and the labor cost is greatly saved.
(2) According to the utility model, the part fixing module is used for fixing the part to be detected, so that the thimble extends into the fixed position of the part to be detected, and the detection error can be reduced.
Drawings
Fig. 1 is a schematic diagram of a state one of the circuit testing tool of the present utility model.
Fig. 2 is a schematic diagram of a second state of the circuit testing tool according to the present utility model.
Fig. 3 is a schematic diagram of a positioning tool of the circuit testing tool of the present utility model.
In the accompanying drawings: 1. positioning a tool; 2. a tooling pressing plate; 3. a power device; 4. a fixed bracket; 5. an upper cover plate; 6. a base; 7. a left side plate; 8. a front side plate; 9. a right side plate; 10. a rear side plate; 11. a part fixing module; 12. a fixing part; 13. a movable part; 14. a first connecting rod; 15. a second connecting rod; 16. an adjustable compression wrench 17 and a rotating shaft; 18. a recessed portion; 19. and (5) detecting the piece to be detected.
Detailed Description
The present utility model is further described below with reference to the accompanying drawings and specific embodiments, but not limited thereto, and fig. 1 is a schematic diagram of a state one of the circuit testing tool of the present utility model; FIG. 2 is a schematic diagram of a second state of the circuit test fixture of the present utility model; fig. 3 is a schematic view of a positioning tool of the circuit testing tool of the present utility model, referring to fig. 1 to 3, showing a circuit testing tool of a preferred embodiment, comprising: the positioning tool 1, the tool pressing plate 2 and the power device 3, wherein the positioning tool 1 is provided with a bearing plane, a plurality of part fixing modules 11 and ejector pins are arranged on the bearing plane, the part fixing modules 11 are used for fixing a part 19 to be detected, and the ejector pins are connected with the part 19 to be detected; the tooling pressing plate 2 is arranged opposite to the positioning tooling 1, a plurality of part fixing modules 11 and ejector pins are arranged between the tooling pressing plate 2 and the bearing plane, and the tooling pressing plate 2 and the positioning tooling 1 clamp a piece 19 to be detected; the power device 3 drives the tool pressing plate 2 to be close to or far away from the positioning tool 1.
Further, the part 19 to be detected is disposed in the part fixing module 11, and the part fixing module 11 limits displacement of the part 19 to be detected relative to the bearing plane.
In a preferred embodiment, further comprising: the fixing support 4 and the upper cover plate 5, the upper cover plate 5 and the power device 3 are connected to the fixing support 4, and the positioning tool 1 is fixedly connected with the upper cover plate 5.
In a preferred embodiment, the positioning fixture 1 comprises: base 6, left side board 7, right side board 9, preceding curb plate 8 and posterior lateral plate 10, left side board 7, preceding curb plate 8, right side board 9 and posterior lateral plate 10 connect gradually and connect and form a rectangular lid dress structure in the one side of base 6, and part fixed module 11 and thimble are all located in the one side of base 6, and the one side of base 6 sets up towards frock clamp plate 2.
In a preferred embodiment, further comprising: the buzzer is arranged on the positioning tool 1.
Specifically, a buzzer is mounted on the front side plate 8, the buzzer including an indicator light and sound emitting means.
In a preferred embodiment, the ejector pin is connected to an external computing device, and the buzzer is also connected to the external computing device.
In a preferred embodiment, the device is used by firstly installing a piece 19 to be detected on a positioning tool 1, clamping the piece 19 to be detected by using a tool pressing plate 2 and the positioning tool 1, connecting a direct current power supply with the piece 19 to be detected, providing a stable 12V direct current voltage for the piece 19 to be detected by using the direct current power supply, generating a direct current voltage of 3.4V-3.8V after the internal voltage of the piece 19 to be detected is stabilized, collecting the direct current voltage of 3.4V-3.8V by a thimble, inputting the direct current voltage to external checking equipment, checking the checking equipment, and indicating a green light to be lighted if the checking value is within a preset range; if the signal is out of the preset range, the indicator lights are lighted with red lights and an alarm is given.
Further, the checking and calculating equipment firstly converts direct current voltage between 3.4V and 3.8V into a digital signal through an analog-digital conversion circuit, then converts the digital signal into an RS485 signal through an MCU (micro control unit), finally is connected with a computer through an RS485 to USB tool, and computer software on the computer displays the data, judges whether the data is in a set range through an algorithm, and controls a buzzer to react.
Specifically, the direct current power supply provides a stable 12V direct current voltage for the member 19 to be detected, the internal voltage of the member 19 to be detected is stabilized to generate a direct current voltage between 3.4V and 3.8V, the analog voltage is converted into a digital signal through AD sampling, the digital signal is output from a serial port through MCU internal processing, the serial port is connected to an RS485 chip to be converted into an RS485 signal, and the RS485 signal is connected to a computer for display through a USB tool line.
The hardware used in this process is: the device comprises a power management module, a singlechip module, an AD acquisition module and a 485 module.
The power management module supplies power for the singlechip module, the AD acquisition module and the 485 module, and provides stable working voltage for the whole system. The singlechip module is a control center of the whole system and controls the operation of the whole system. The AD acquires voltage signals of the analog circuit and transmits the voltage signals to the singlechip module through digital signals. 485 module converts the data into RS485 data transmission.
In terms of software, the high-precision AD (analog signal is converted into digital signal) chip is converted into digital signal, MCU acquires corresponding AD value, effective value in precision range is obtained through linear calibration of program, and signal is transmitted to control desk through serial port by MODEBUS (a universal language applied to electronic controller) bus protocol.
The foregoing is merely a preferred embodiment of the present utility model, and is not intended to limit the embodiments and the protection scope of the present utility model.
The present utility model has the following embodiments based on the above description:
in a further embodiment of the utility model, the power plant 3 comprises: the fixing part 12, the fixing part 12 is fixedly connected with the fixing bracket 4, and a sleeve is formed on the fixing part 12;
in a further embodiment of the utility model, the power plant 3 further comprises: the movable part 13 is arranged in the sleeve, the movable part 13 moves along the sleeve, and one end of the movable part 13 is fixedly connected with the tool pressing plate 2;
in a further embodiment of the utility model, the power plant 3 further comprises: a first connecting rod 14, one end of the first connecting rod 14 is rotatably connected with the other end of the movable part 13;
in a further embodiment of the utility model, the power plant 3 further comprises: the second connecting rod 15, one end of the second connecting rod 15 is rotatably connected with the other end of the first connecting rod 14, the middle part of the second connecting rod 15 is rotatably connected with the fixed part 12 through a rotating shaft 17, and two ends of the second connecting rod 15 can rotate around the rotating shaft 17.
In a further embodiment of the present utility model, further comprising: and an adjustable compression wrench 16, wherein the adjustable compression wrench 16 is connected with the other end of the second connecting rod 15.
Further, as shown in fig. 1, when the movable pressing wrench 16 is held and rotated clockwise in the drawing, the second connecting rod 15 is driven to rotate around the rotating shaft 17, so as to drive the first connecting rod 14 to move to the right in fig. 1, and further drive the tool pressing plate 2 to be far away from the positioning tool 1, and finally the state of fig. 2 is formed;
the tooling press plate 2 will approach the positioning tooling 1 to clamp the piece 19 to be inspected in the process of returning to the state of fig. 1 from fig. 2 instead.
In a preferred embodiment, the power means 3 is a hydraulic means; in another preferred embodiment, the power means 3 is a pneumatic means.
In a further embodiment of the present utility model, as shown in fig. 3, the part fixing module 11 is substantially circular, the part fixing modules 11 each have an arc-shaped recess 18, the part to be detected 19 is clamped on the part fixing module 11, and the part to be detected 19 is provided with a protrusion portion and the recess 18 to be matched.
In another preferred embodiment, the part fixing module 11 is in a plate structure, the part fixing modules 11 are all provided with arc-shaped concave parts 18, the part to be detected 19 is clamped on the part fixing module 11, and the part to be detected 19 is provided with a convex part and the concave parts 18 to be matched.
In a further embodiment of the present utility model, each part 19 to be inspected is mounted on three adjacent part fixing modules 11, and the three part fixing modules 11 correspond to two ends and a middle portion of the part 19 to be inspected respectively.
The foregoing is merely illustrative of the preferred embodiments of the present utility model and is not intended to limit the embodiments and scope of the present utility model, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included in the scope of the present utility model.
Claims (9)
1. A circuit test fixture, its characterized in that includes:
the positioning tool is provided with a bearing plane, a plurality of part fixing modules and ejector pins are arranged on the bearing plane, the part fixing modules are used for fixing a part to be detected, and the ejector pins are connected with the part to be detected;
the tool pressing plate is arranged opposite to the positioning tool, a plurality of part fixing modules and the ejector pins are arranged between the tool pressing plate and the bearing plane, and the tool pressing plate and the positioning tool clamp the part to be detected;
and the power device drives the tool pressing plate to be close to or far away from the positioning tool.
2. The circuit testing tool of claim 1, further comprising: the device comprises a fixed support and an upper cover plate, wherein the upper cover plate and the power device are connected to the fixed support, and the positioning tool is fixedly connected with the upper cover plate.
3. The circuit testing tool of claim 1, wherein the positioning tool comprises: base, left side board, right side board, preceding curb plate and posterior lateral plate, the left side board preceding curb plate the right side board with the posterior lateral plate connects gradually and connects form a rectangular lid dress structure on the one side of base, part fixed module with the thimble is all located on the one side of base, the one side of base orientation frock clamp plate sets up.
4. The circuit testing tool of claim 1, further comprising: and the buzzer is arranged on the positioning tool.
5. The circuit testing tool according to claim 4, wherein the ejector pin is connected to an external computing device, and the buzzer is also connected to the external computing device.
6. The circuit testing tool of claim 2, wherein the power device comprises:
the fixing part is fixedly connected with the fixing bracket, and a sleeve is formed on the fixing part;
the movable part is arranged in the sleeve, moves along the sleeve, and one end of the movable part is fixedly connected with the tool pressing plate;
the first connecting rod, one end of the said first connecting rod is connected with another end of the said movable part rotatably;
the second connecting rod, the one end of second connecting rod with the other end of head rod is rotationally connected, the middle part of second connecting rod with the fixed part is rotationally connected through a pivot, the both ends of second connecting rod can use the pivot is the center rotation.
7. The circuit testing tool of claim 6, further comprising: and the adjustable compression wrench is connected with the other end of the second connecting rod.
8. The circuit testing tool according to claim 1, wherein the part fixing modules are approximately circular, the part fixing modules are provided with arc-shaped concave portions, the part to be detected is clamped on the part fixing modules, and the part to be detected is provided with a protruding portion matched with the concave portion.
9. The circuit testing tool according to claim 1, wherein each part to be tested is mounted on three adjacent part fixing modules, and the three part fixing modules correspond to two ends and a middle part of the part to be tested respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321666772.XU CN220381243U (en) | 2023-06-28 | 2023-06-28 | Circuit test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321666772.XU CN220381243U (en) | 2023-06-28 | 2023-06-28 | Circuit test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220381243U true CN220381243U (en) | 2024-01-23 |
Family
ID=89563551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321666772.XU Active CN220381243U (en) | 2023-06-28 | 2023-06-28 | Circuit test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220381243U (en) |
-
2023
- 2023-06-28 CN CN202321666772.XU patent/CN220381243U/en active Active
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