CN217156645U

CN217156645U - Test board for testing temperature drift of resistance material

Info

Publication number: CN217156645U
Application number: CN202123115845.XU
Authority: CN
Inventors: 胡紫阳; 李智德; 程倩倩
Original assignee: Shenzhen Yezhan Electronics Co ltd
Current assignee: Shenzhen Yezhan Electronics Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-08-09
Anticipated expiration: 2031-12-02

Abstract

The utility model relates to a temperature floats test technical field, discloses a survey test panel for resistance material temperature floats test, include: the test board body is connected with an external power supply, a first pad area and a second pad area are arranged on the test board body, one end of a resistor material to be tested is welded on the first pad area, the other end of the resistor material to be tested is welded on the second pad area, the first pad area is connected with a first lead, the other end of the first lead and the test board body form a first welding point, the first pad area is connected with a second lead corresponding to the first lead, the other end of the second lead and the test board body form a second welding point, the first welding point and the second welding point are externally connected with a voltage tester, the number of the first lead and the second lead is set to be multiple, and the number of the first welding point and the second welding point is also set to be multiple. The utility model discloses the convenience carries out the temperature drift test to a plurality of resistance material, has improved efficiency of software testing and has reduced test time, records the material temperature drift more accurately.

Description

Test board for testing temperature drift of resistance material

Technical Field

The utility model relates to a temperature floats test technical field, especially relates to a survey test panel for resistance material temperature floats test.

Background

With the convenience brought to life by various electrical equipment along with the technological progress, people put more demands on the application scenes of the electrical equipment, such as applications in extreme environments: the challenges faced by electrical equipment due to the use of extremely low temperature, extremely high temperature or ultra-long time are application challenges of electronic components, and the manufacturing and performance of the electronic components (resistors) necessarily depend on the performance of raw materials.

In the prior art, the performance of a resistance material needs to be researched and tested, the environmental temperature of the material is controlled by a constant temperature and humidity box, and then the temperature drift of the material is tested, so that the change condition of the material in extreme environmental temperature drift is simulated. However, since the common jig can only test one material at a time, high requirements are put forward on the test equipment, if a plurality of materials are tested, the equipment needs to be cooled and heated for many times, the test time is greatly increased, the test efficiency is reduced, and in addition, the equipment is damaged due to frequent use of the compressor for refrigeration.

Therefore, how to provide a test board for temperature drift testing of resistance materials is an urgent technical problem to be solved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in how to provide a survey test panel that is used for resistance material temperature to float test, conveniently carries out the temperature to a plurality of resistance material and floats the test.

Therefore, according to the first aspect, the embodiment of the utility model discloses a survey test panel for resistive material temperature floats test is disclosed, include: the test board body is connected with an external power supply, a first pad area and a second pad area are arranged on the test board body, one end of a resistance material to be tested is welded on the first pad area, the other end of the resistance material to be tested is welded on the second pad area, the first pad area is connected with a first lead, the other end of the first lead and the test board body form a first welding spot, the first pad area is connected with a second lead corresponding to the first lead, the other end of the second lead and the test board body form a second welding spot, the first welding spot and the second welding spot are externally connected with a voltage tester, the number of the first lead and the second lead is set to be multiple, and the number of the first welding spot and the second welding spot is also set to be multiple.

The utility model discloses further set up to, first wire with the quantity of second wire is established to 7.

The utility model discloses further set up to, the middle part of surveying test panel body is equipped with the fretwork district.

The utility model discloses further set up to, be equipped with first power point and second power point on surveying the test panel body, first power point with the equal external power supply of second power point, first power point with it has solder mask oil to cover between the second power point.

The utility model discloses further set up to, first power point is the power inflow contact, the second power point is the power outflow contact.

The utility model discloses further set up to, survey test panel body and be the PCB board.

The utility model discloses following beneficial effect has: one end of the resistance material to be tested is welded on the first welding disc area, the other end of the resistance material to be tested is welded on the second welding disc area, the first welding spot and the second welding spot are externally connected with a voltage tester, the number of the first welding spot and the second welding spot is multiple, the resistance material is conveniently and externally connected with a plurality of resistance materials, the resistance value of the resistance material is obtained by measuring the voltage at the two ends of the resistance material, and the temperature drift of the resistance material is further measured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a test board for temperature drift testing of resistive materials according to the present embodiment.

Reference numerals: 1. a test board body; 2. a first pad region; 3. a second pad region; 4. a first conductive line; 5. a second conductive line; 6. a first solder joint; 7. a second solder joint; 8. a hollow-out area; 9. a first power supply point; 10. a second power supply point; 11. solder resist oil.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The embodiment of the utility model discloses a survey test panel for resistive material temperature floats test, as shown in fig. 1, include: the testing board comprises a testing board body 1 connected with an external power supply, wherein a first pad area 2 and a second pad area 3 are arranged on the testing board body 1, one end of a resistor material to be tested is welded on the first pad area 2, the other end of the resistor material to be tested is welded on the second pad area 3, the first pad area 2 is connected with a first lead 4, the other end of the first lead 4 and the testing board body 1 form a first welding point 6, the first pad area 2 is connected with a second lead 5 corresponding to the first lead 4, the other end of the second lead 5 and the testing board body 1 form a second welding point 7, the first welding point 6 and the second welding point 7 are externally connected with a voltage tester, the number of the first lead 4 and the second lead 5 is multiple, and the number of the first welding point 6 and the second welding point 7 is also multiple.

It should be noted that, one end of the resistance material to be tested is welded on the first pad area 2, the other end of the resistance material to be tested is welded on the second pad area 3, the first welding point 6 and the second welding point 7 are externally connected with a voltage tester, because the number of the first welding point 6 and the second welding point 7 is multiple, a plurality of resistance materials are conveniently and externally connected, the resistance value is obtained by measuring the voltage at the two ends of the resistance material, and then the temperature drift of the resistance material is measured, thereby providing a test board for testing the temperature drift of the resistance material, facilitating the temperature drift test of the resistance materials, improving the test efficiency, reducing the test time, and more accurately measuring the temperature drift of the material.

As shown in fig. 1, the number of the first wires 4 and the second wires 5 is set to 7. In a specific implementation process, the number of the first conductive lines 4 and the second conductive lines 5 may also be N, where N is a positive integer greater than 2.

It should be noted that the embodiment of the utility model discloses a test panel for resistance material temperature floats test can test simultaneously and realize many material temperature floats under the condition that constant temperature and humidity case dropped temperature or rose temperature once.

As shown in fig. 1, a hollow area 8 is disposed in the middle of the test board body 1. It should be noted that, because the hollow-out area 8 is arranged, the resistance material is conveniently cooled, and the influence of the heat production process on the resistance of the material is prevented.

As shown in fig. 1, the test board body 1 is provided with a first power point 9 and a second power point 10, the first power point 9 and the second power point 10 are both externally connected with a power supply, and solder resist 11 covers between the first power point 9 and the second power point 10. It should be noted that, because the solder resist oil 11 covers between the first power supply point 9 and the second power supply point 10, the circuit below the solder resist oil 11 is in an off state, and it can be ensured that the current forms a series circuit through the test board body 1 in a backflow manner.

As shown in fig. 1, the first power supply point 9 is a power supply inflow contact, and the second power supply point 10 is a power supply outflow contact. The first power supply point 9 and the second power supply point 10 are externally connected with a power supply, and an external power supply flows in from the first power supply point 9 and flows out from the second power supply point 10 to form a power supply circuit.

As shown in fig. 1, the test board body 1 is a PCB.

The working principle is as follows: one end of a resistance material to be tested is welded on the first pad area 2, the other end of the resistance material to be tested is welded on the second pad area 3, the first welding spot 6 and the second welding spot 7 are externally connected with a voltage tester, the number of the first welding spot 6 and the second welding spot 7 is set to be multiple, a plurality of resistance materials are conveniently and externally connected, the resistance value of the resistance material is obtained by measuring the voltage at the two ends of the resistance material, and then the temperature drift of the resistance material is tested, so that a test board for testing the temperature drift of the resistance material is provided, the temperature drift test of the resistance materials is conveniently carried out, the test efficiency is improved, the test time is shortened, and the temperature drift of the materials is more accurately tested.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A test board for temperature drift testing of electrically resistive materials, comprising: the test board comprises a test board body (1) connected with an external power supply, wherein a first pad area (2) and a second pad area (3) are arranged on the test board body (1), one end of a resistance material to be tested is welded on the first pad area (2), the other end of the resistance material to be tested is welded on the second pad area (3), the first pad area (2) is connected with a first lead (4), the other end of the first lead (4) and the test board body (1) form a first welding spot (6), the first pad area (2) is connected with a second lead (5) corresponding to the first lead (4), the other end of the second lead (5) and the test board body (1) form a second welding spot (7), the first welding spot (6) and the second welding spot (7) are externally connected with a voltage tester, and the number of the first lead (4) and the second lead (5) is multiple, the number of the first welding points (6) and the second welding points (7) is also set to be a plurality.

2. The test board for temperature drift test of resistive material according to claim 1, characterized in that the number of said first conducting wires (4) and said second conducting wires (5) is set to 7.

3. The test board for temperature drift test of resistive material according to claim 1, characterized in that the middle of the test board body (1) is provided with a hollowed-out area (8).

4. The test board for the temperature drift test of the resistance materials according to claim 1, wherein a first power supply point (9) and a second power supply point (10) are arranged on the test board body (1), the first power supply point (9) and the second power supply point (10) are both externally connected with a power supply, and solder resist oil (11) covers between the first power supply point (9) and the second power supply point (10).

5. The test board for temperature drift test of resistive material according to claim 4, characterized in that said first power supply point (9) is a power supply inflow contact and said second power supply point (10) is a power supply outflow contact.

6. The test board for temperature drift test of resistive material according to any of claims 1 to 5, characterized in that the test board body (1) is a PCB board.