CN220490978U - Temperature function detection device for circuit board - Google Patents
Temperature function detection device for circuit board Download PDFInfo
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- CN220490978U CN220490978U CN202321858300.4U CN202321858300U CN220490978U CN 220490978 U CN220490978 U CN 220490978U CN 202321858300 U CN202321858300 U CN 202321858300U CN 220490978 U CN220490978 U CN 220490978U
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- 238000001514 detection method Methods 0.000 title claims abstract description 36
- 238000003466 welding Methods 0.000 claims description 6
- 238000005476 soldering Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 19
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000010259 detection of temperature stimulus Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of electrical tools, in particular to a temperature function detection device for a circuit board, which comprises an adjusting structure and a connecting structure, wherein the adjusting structure is connected with the circuit board to be detected through the connecting structure; the adjusting structure comprises a gear plate, a detecting piece and a screwing piece, wherein a plurality of continuous adjustable gears are arranged on the detecting piece, the gear plate is arranged above the detecting piece, a gear adjusting hole is formed in the middle of the gear plate, the screwing piece penetrates through the gear adjusting hole, and a plurality of one-to-one resistance display structures and temperature display structures are arranged around the screwing piece. The utility model can solve the defects of large and heavy temperature function detection device and difficult movement in the prior art, and ensures that the temperature function detection of the circuit board is more convenient and effective.
Description
Technical Field
The utility model relates to the technical field of electrical tools, in particular to a temperature function detection device for a circuit board.
Background
With the continuous development and popularization of modern electronic technology, electronic products have penetrated into aspects of our lives. As the functions of the electronic products are more and more diversified and intelligent, the quality requirements of users on the electronic products are higher and higher, so that the detection requirements of enterprises on the realization of the functions of the electronic products are more and more strict.
Wherein the detection of temperature is important in the quality inspection of the functions of the electronic product. At present, circuit boards in many electronic products are externally connected with temperature sensors, and the temperature sensors detect the temperature and convert the temperature into usable output signals. Among them, thermistors are widely used types of temperature sensors, and their resistance values vary with temperature. Currently, in production testing, a tester typically simulates a change in temperature by adjusting the resistance of a resistor to verify whether temperature-dependent functions in a circuit board are being implemented. Thus, simulating the temperature change through resistance adjustment is an important step of the tester in adjusting the function of the test circuit board, and the temperature function detecting device becomes a necessary tool for the tester.
The box-type resistor commonly used in the temperature function detection device for simulating temperature change at present is formed by connecting a plurality of fixed-value resistors with different resistance values according to a certain mode. When in use, two binding posts without positive and negative poles are connected into a circuit, and any resistance value between 0 ohm and no upper limit (usually 9999.9 ohm) can be obtained by adjusting the rotary disc. The indication of the corresponding indication point of each regulating rotary disk is multiplied by the multiple marked on the surface disk and then added together, thus obtaining the resistance value of the access circuit.
However, the resistance of the box-type resistor box can not be continuously adjusted in the test, and the problems of large volume, certain weight, no moving and the like exist. And when the number of the temperature detection ports is large, the use of a plurality of box-type resistor boxes is inconvenient in space and use.
Disclosure of Invention
The utility model aims to provide a temperature function detection device for a circuit board, which solves the defects that the temperature function detection device in the prior art is large and heavy and is not easy to move, and ensures that the temperature function detection of the circuit board is more convenient and effective.
To achieve the purpose, the utility model adopts the following technical scheme:
the temperature function detection device for the circuit board comprises an adjusting structure and a connecting structure, wherein the adjusting structure is connected with the circuit board to be detected through the connecting structure;
the adjusting structure comprises a gear plate, a detecting piece and a screwing piece, wherein a plurality of continuous adjustable gears are arranged on the detecting piece, the gear plate is arranged above the detecting piece, a gear adjusting hole is formed in the middle of the gear plate, the screwing piece penetrates through the gear adjusting hole, and a plurality of one-to-one resistance display structures and temperature display structures are arranged around the screwing piece.
Preferably, the resistance display structure is a resistance scale mark and a resistance indication corresponding to the periphery of the screwing piece.
Preferably, the temperature display structure is a temperature degree scale mark and a temperature degree indication number which are correspondingly arranged on the periphery of the screwing piece;
the resistance value scale mark and the temperature degree scale mark are positioned on the same adjustable gear, and the resistance value is related to the temperature degree.
Preferably, the connecting structure comprises a connecting wire and a connecting terminal, and the detecting piece is provided with a welding terminal;
one end of the connecting wire is welded with the welding terminal, and the other end of the connecting wire is welded with the connecting terminal.
Preferably, the detecting member is a potentiometer, a plurality of adjustable resistors with continuous resistance values are arranged in the potentiometer, and the adjustable resistors with continuous resistance values correspond to the plurality of continuous adjustable gears.
Preferably, the screwing piece is a pointer knob, a plurality of concave-convex stripe grooves are arranged on the side face of the pointer knob, and a pointer is further arranged on the pointer knob.
Preferably, the screw-on device further comprises a limiting piece, and the screw-on piece is rotationally connected with the limiting piece.
One of the above technical solutions has the following beneficial effects: the user can insert the temperature detection mouth of waiting to detect the circuit board through connection structure according to different test conditions and test demand, then the rotation angle of screwing the piece is adjusted to corresponding adjustable gear to insert the resistance that this adjustable gear corresponds to waiting to detect the circuit board, this resistance value shows the structure through the resistance value, then read the temperature value T1 that the temperature detection mouth of waiting to detect the circuit board obtained, and judge whether this temperature value T1 is unanimous with the temperature value T2 that this temperature display structure that adjustable gear corresponds shows, if unanimous then indicate that waiting to detect the circuit board and pass the test, if inconsistent then not pass the test, thereby realize the temperature function detection to the circuit board.
Compared with the box-type resistor box in the prior art, the box-type resistor box has the advantages of small volume, light weight, convenience in carrying and the like by only adopting the combination of simple devices of the adjusting structure and the connecting structure, brings great convenience to a user, and simultaneously enables the temperature function detection of the circuit board to be more convenient and efficient.
Drawings
FIG. 1 is a schematic diagram of a temperature function detecting device for a circuit board according to the present utility model;
FIG. 2 is a schematic diagram of a temperature function detecting device for a circuit board according to a first embodiment of the present utility model;
FIG. 3 is a schematic diagram of a temperature function detecting device for a circuit board according to a second embodiment of the present utility model;
in the accompanying drawings: the device comprises an adjusting structure 1, a connecting structure 2, a resistance value display structure 3, a temperature display structure 4, a gear plate 11, a detection part 12, a screwing part 13, a limiting part 14, a connecting wire 21, a connecting terminal 22 and a welding terminal 120.
Detailed Description
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, a temperature function detection device for a circuit board comprises an adjusting structure 1 and a connecting structure 2, wherein the adjusting structure 1 is connected with the circuit board to be detected through the connecting structure 2;
the adjusting structure 1 comprises a gear plate 11, a detecting piece 12 and a screwing piece 13, wherein the detecting piece 12 is provided with a plurality of continuous adjustable gears, the gear plate 11 is arranged above the detecting piece 12, a gear adjusting hole is formed in the middle of the gear plate 11, the screwing piece 13 penetrates through the gear adjusting hole, and a plurality of resistance display structures 3 and temperature display structures 4 which are in one-to-one correspondence are arranged around the screwing piece 13.
The application provides a temperature function detection device for circuit board, the user can insert the temperature detection mouth of waiting to detect the circuit board through connection structure 2 according to the test condition and the test demand of difference, then the rotation angle of screwing piece 13 is adjusted to corresponding adjustable gear to insert the resistance that this adjustable gear corresponds to waiting to detect the circuit board, this resistance value shows through resistance display structure 3, then read the temperature value T1 that the temperature detection mouth of waiting to detect the circuit board obtained, and judge whether this temperature value T1 is unanimous with the temperature value T2 that the temperature display structure 4 that this adjustable gear corresponds shows, if unanimously then state to wait to detect the circuit board and pass the test, if inconsistent then not pass the test, thereby realize the temperature function detection to the circuit board.
Compared with the box-type resistor box in the prior art, the box-type resistor box has the advantages of small volume, light weight, convenience in carrying and the like by only adopting the combination of simple devices of the adjusting structure 1 and the connecting structure 2, brings great convenience to a user, and simultaneously enables the temperature function detection of the circuit board to be more convenient and efficient.
Further describing, the resistance display structure 3 is a resistance scale mark and a resistance indication corresponding to the periphery of the screwing piece 13.
Further describing, the temperature display structure 4 is a temperature degree scale mark and a temperature degree indication corresponding to the periphery of the screwing piece 13;
the resistance value scale mark and the temperature degree scale mark are positioned on the same adjustable gear, and the resistance value is related to the temperature degree.
The resistance value scale mark and the resistance value indication number can be used for facilitating the user to quickly select the required test gear, and the detection efficiency is improved.
To illustrate further, the connection structure 2 includes a connection wire 21 and a connection terminal 22, and the detecting member 12 is provided with a soldering terminal 120;
one end of the connection wire 21 is soldered to the soldering terminal 120, and the other end of the connection wire 21 is soldered to the connection terminal 22.
In this embodiment, the welding terminal 120 can be detachably connected with the temperature detecting ports on the circuit board, and when the number of the temperature detecting ports is large, the use of a plurality of temperature function detecting devices of the present application can provide convenience in space and use, and the detection efficiency is improved.
To further illustrate, the detecting member 12 is a potentiometer, and a plurality of adjustable resistors with continuous resistance are disposed in the potentiometer, and the plurality of adjustable resistors with continuous resistance correspond to the plurality of continuous adjustable gears.
At present, the existing miniature potentiometer in the market is mature, the range is various, the resistance range can be selected according to actual needs, and the production is convenient.
To further explain, the screwing piece 13 is a pointer knob, a plurality of concave-convex stripe grooves 131 are arranged on the side face of the pointer knob, and a pointer 132 is further arranged on the pointer knob.
In this embodiment, the concave-convex stripe groove 131 can provide enough friction force to facilitate the user's labor saving knob. Meanwhile, the pointer 132 is convenient for a user to observe the resistance and the temperature to which the pointer knob rotates, so that the detection time is saved.
Further describing, the device further comprises a limiting piece 14, and the screwing piece 13 is rotationally connected with the limiting piece 14. In this embodiment, the limiting member 14 is a spacer, and the thickness of the spacer is 1mm-5mm. The gasket can increase the contact area of the pointer knob and the gear plate 11, reduce the pressure and prevent loosening.
The specific working principle of the utility model is as follows: the pointer knob control range is designed to correspond to the resistance value and the temperature degree to be adjusted through a plurality of continuously adjustable resistance value ranges of the potentiometer which are determined in advance. Like this when welding terminal 120 is connected and the rotatory pointer knob with the temperature detection mouth on the circuit board, the output resistance that corresponds in the adjustment potentiometer reaches the positioning action of accurate control resistance and temperature number of degrees through resistance scale mark and temperature number of degrees scale mark, and the cooperation uses the design of unsmooth stripe groove 131 and gasket, very makes things convenient for the regulation of whole device.
Specifically, the present application provides two embodiments for the user to choose from to shorten the detection time.
Example 1
As shown in fig. 2, the temperature function detecting device corresponding to the 5K sensor and having the measuring range of 0-8kΩ has the following adjustment resistance and corresponding temperature as shown in the table below:
| resistance value/KΩ adjustment | Corresponding temperature/. Degree.C |
| 2 | 50 |
| 4 | 30 |
| 6 | 20 |
| 8 | 13 |
For example, when testing a circuit board with a 5K sensor and the circuit board around, the temperature detection port of the circuit board to be detected is connected through the connection structure 2, then the gear is selected to be 2KΩ, the corresponding target temperature is 50 ℃, then whether the temperature value obtained by reading the temperature detection port of the circuit board to be detected is 50 ℃ or not is judged, if yes, the test is passed, and otherwise, the test is not passed. Then, the subsequent gears can be selected in sequence for testing so as to judge whether the temperature function of the circuit board is normal.
Example two
As shown in fig. 3, the temperature function detecting device corresponding to the 50K sensor and having the measuring range of 0-30kΩ, the adjustment resistance and the corresponding target temperature are shown in the following table:
| resistance value/KΩ adjustment | Corresponding temperature/. Degree.C |
| 5 | 86 |
| 10 | 64 |
| 20 | 47 |
| 30 | 37 |
For example, when a circuit board with a 50K sensor and the circuit board around the sensor is tested, a temperature detection port of the circuit board to be detected is connected through the connecting structure 2, then a gear is selected to be 5KΩ, the corresponding target temperature is 86 ℃, then whether the temperature value obtained by reading the temperature detection port of the circuit board to be detected is 86 ℃ or not is judged, if yes, the test is passed, and otherwise, the test is not passed. Then, the subsequent gears can be selected in sequence for testing so as to judge whether the temperature function of the circuit board is normal.
The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will occur to those skilled in the art from consideration of this specification without the exercise of inventive faculty, and such equivalent modifications and alternatives are intended to be included within the scope of the utility model as defined in the claims.
Claims (7)
1. The temperature function detection device for the circuit board is characterized by comprising an adjusting structure and a connecting structure, wherein the adjusting structure is connected with the circuit board to be detected through the connecting structure;
the adjusting structure comprises a gear plate, a detecting piece and a screwing piece, wherein a plurality of continuous adjustable gears are arranged on the detecting piece, the gear plate is arranged above the detecting piece, a gear adjusting hole is formed in the middle of the gear plate, the screwing piece penetrates through the gear adjusting hole, and a plurality of one-to-one resistance display structures and temperature display structures are arranged around the screwing piece.
2. The device for detecting a temperature function of a circuit board according to claim 1, wherein the resistance display structure is a resistance scale mark and a resistance indication corresponding to the periphery of the screwing member.
3. The temperature function detecting device for a circuit board according to claim 2, wherein the temperature display structure is a temperature degree scale mark and a temperature degree number which are correspondingly arranged around the screwing piece;
the resistance value scale mark and the temperature degree scale mark are positioned on the same adjustable gear, and the resistance value is related to the temperature degree.
4. The temperature function detecting device for a circuit board according to claim 1, wherein the connection structure includes a connection wire and a connection terminal, the detecting member being provided with a soldering terminal;
one end of the connecting wire is welded with the welding terminal, and the other end of the connecting wire is welded with the connecting terminal.
5. The temperature function detection device for a circuit board according to claim 1, wherein the detection member is a potentiometer, a plurality of adjustable resistors with continuous resistance values are arranged in the potentiometer, and the plurality of adjustable resistors with continuous resistance values correspond to the plurality of continuous adjustable gears.
6. The temperature function detecting device for a circuit board according to claim 1, wherein the screwing member is a pointer knob, a plurality of concave-convex stripe grooves are formed in the side face of the pointer knob, and a pointer is further arranged on the pointer knob.
7. The device for detecting the temperature function of a circuit board according to claim 1, further comprising a limiting member, wherein the screwing member is rotatably connected with the limiting member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321858300.4U CN220490978U (en) | 2023-07-14 | 2023-07-14 | Temperature function detection device for circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321858300.4U CN220490978U (en) | 2023-07-14 | 2023-07-14 | Temperature function detection device for circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220490978U true CN220490978U (en) | 2024-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321858300.4U Active CN220490978U (en) | 2023-07-14 | 2023-07-14 | Temperature function detection device for circuit board |
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| Country | Link |
|---|---|
| CN (1) | CN220490978U (en) |
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2023
- 2023-07-14 CN CN202321858300.4U patent/CN220490978U/en active Active
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