CN220367406U

CN220367406U - Potentiometer testing device

Info

Publication number: CN220367406U
Application number: CN202321975269.2U
Authority: CN
Inventors: 朱琳; 王力; 田文静; 孙彦飞; 王洁
Original assignee: North Navigation Control Technology Co ltd
Current assignee: North Navigation Control Technology Co ltd
Priority date: 2023-07-25
Filing date: 2023-07-25
Publication date: 2024-01-19
Anticipated expiration: 2033-07-25

Abstract

The embodiment of the application provides a potentiometer testing device, which belongs to the technical field of potentiometers. The potentiometer testing device comprises a box body, a wire pressing end assembly, a testing element and a testing end assembly, wherein the wire pressing end assembly is arranged on the box body and is used for connecting the output end of the potentiometer; the test element is used for detecting the total resistance value or the insulation resistance of the potentiometer; the testing end component is used for connecting the output end of the testing element, a switching circuit is arranged in the box body, the switching circuit is respectively and electrically connected with the wire pressing end component and the testing end component, and a loop can be formed between the potentiometer and the testing element through the switching circuit; when the switching circuit is in a first detection state, the test element is used for detecting the total resistance value of the potentiometer; when the switching circuit is in the second detection state, the test element is used for detecting the insulation resistance of the potentiometer. The potentiometer testing device can integrate insulation resistance and total resistance detection functions, is light and small, and is convenient for users to carry and use on site.

Description

Potentiometer testing device

Technical Field

The application relates to the technical field of potentiometers, in particular to a potentiometer testing device.

Background

At present, before installation and use, the potentiometer must detect the bending direction and length of the root part of the potentiometer so as to ensure that the potentiometer is not subjected to excessive stress during installation so as to meet the installation requirement; the insulation resistance and the total resistance are detected to detect that the electrical performance meets the use requirement of the product. Each domestic manufacturer tests the potentiometer by adopting step-by-step test, one project corresponds to one test loop, and the detection process mainly depends on manpower, so that the problems of time and labor consumption and high error rate exist. If the existing electrical performance detection method is that three operators are required to cooperate, 100v voltage is applied by using an insulating meter, the operators hold a wire by hand and test the resistance value by using a universal meter, and the working environment is unsafe; the recorded test data is compared with the original data, the difference value is calculated and recorded, the operation is complex and single, and errors are easy to occur; and the tester is many, uses the monomer table pen many, and wiring relation is complicated, in case the reverse connection can cause the damage of components and parts and test occupation space is big.

Disclosure of Invention

The embodiment of the application provides a potentiometer testing device, which can integrate insulation resistance and total resistance testing functions into a whole, is light and small, and is convenient for users to carry and use on site.

The embodiment of the application provides a potentiometer testing device, which comprises a box body, a wire pressing end assembly, a testing element and a testing end assembly, wherein the wire pressing end assembly is arranged on the box body and is used for connecting an output end of a potentiometer; the test element is used for detecting the total resistance value or the insulation resistance of the potentiometer; the testing end component is arranged on the box body and is used for connecting the output ends of the testing elements; the box body is internally provided with a switching circuit, the switching circuit is respectively electrically connected with the wire pressing end assembly and the testing end assembly, and a loop can be formed between the potentiometer and the testing element through the switching circuit; the switching circuit is provided with a first detection state and a second detection state, and when the switching circuit is in the first detection state, the test element is used for detecting the total resistance value of the potentiometer; when the switching circuit is in the second detection state, the test element is used for detecting the insulation resistance of the potentiometer.

In this scheme, the lead wire of potentiometer corresponds with the line ball end subassembly on the box body and is connected, then the setting of the inside switching circuit of box body can make test element detect the total resistance value or the insulation resistance of potentiometer, only need an operating personnel, after installing the potentiometer in place, through the detection state that changes switching circuit, alright accomplish respectively and accomplish total resistance value and insulation resistance detection of potentiometer, convenient operation is swift, the quantity of test personnel has been reduced, operating personnel intensity of labour has been alleviateed, avoid human error to lead to the product damage.

In some embodiments, the test element is configured as a multimeter or a megameter, and when the switching circuit is in the first detection state, the test element is a multimeter, and an output end of the multimeter is electrically connected to the test end assembly for detecting a total resistance value of the potentiometer; when the switching circuit is in the second detection state, the test element is a megohmmeter, and the output end of the megohmmeter is electrically connected with the test end component so as to be used for detecting the insulation resistance of the potentiometer.

In the technical scheme, the test element is adopted as the universal meter and the megameter, and the conventional test element is relied on, so that the material is conveniently obtained, the structure is simple, and the implementation is easy. When the total resistance value of the potentiometer is required to be tested, the switching circuit is only required to be adjusted to the first detection state, and then the output end of the universal meter in the test element is electrically connected with the test end assembly, so that the test of the total resistance value of the potentiometer can be completed. Similarly, when the insulation resistance of the potentiometer is required to be tested, the switching circuit is only required to be adjusted to the second detection state, and then the output end of the megameter in the test element is electrically connected with the test end assembly, so that the insulation resistance of the potentiometer can be tested.

In some embodiments, a switch is disposed on the case, and the switch is electrically connected to the switching circuit, and the switch is used for changing a detection state of the switching circuit.

In the technical scheme, the change-over switch is arranged on the box body and is electrically connected with the change-over circuit, so that an operator only needs to act on the change-over switch to change the detection state of the change-over circuit, and the operation is convenient and quick.

In some embodiments, the switch is provided as a rotary switch for changing the detection state of the switching circuit in the event of rotation along its own axis.

According to the technical scheme, the change-over switch is adopted as the knob type switch, so that an operator only needs to rotate the change-over switch to the corresponding gear, the detection state of the change-over circuit can be changed, and the controllability is high.

In some embodiments, the switching circuit further has an open state, and when the switching circuit is in the open state, the potentiometer, the switching circuit, and the test element are open.

In the technical scheme, the potentiometer and the test element can be rapidly cut off by adjusting the switching circuit to the off state through the switching circuit when the potentiometer test is not needed or after the potentiometer test is completed, and the potentiometer test can be performed by the operator acting on the switch after the potentiometer and the test element are connected when the potentiometer test is needed.

In some embodiments, the wire end assembly and the test end assembly are located on the same surface of the cartridge.

In the technical scheme, the line pressing end assembly and the test end assembly are located on the same surface of the box body, so that line connection of the potentiometer and the test element is facilitated for operators, and space layout is more reasonable.

In some embodiments, the wire end assembly includes three wire ends for corresponding connection with three leads of the potentiometer, respectively. The test end assembly comprises three test ends, and the test element is connected with two of the three test ends.

In the above technical scheme, since the output end of the potentiometer is provided with three leads, namely, red, blue and white leads, the wire pressing end is correspondingly arranged into three wire pressing ends, and the three wire pressing ends are correspondingly connected with the three leads of the potentiometer respectively, so that the connection of the potentiometer and the wire pressing end assembly is completed. And the line is connected in a line pressing mode, so that the connection stability of the line is high.

In some embodiments, the test end is spliced pole and line ball cap, and the one end of spliced pole is located the box and is connected with switching circuit electricity, and the other end of spliced pole is located outside the box for being connected with the test element, line ball cap and spliced pole screw-thread fit, line ball cap are used for fastening the output of test element in the spliced pole.

According to the technical scheme, after the lead wire of the test element is wound on the connecting column through the threaded cap and the threaded connection of the connecting column, the threaded cap moves along the connecting column to the side close to the lead wire through rotating the threaded cap, and the lead wire of the test element is fastened on the connecting column, so that the test element is firmly connected with the test end.

In some embodiments, a positioning groove is arranged on the box body, and the positioning groove is used for placing the potentiometer.

Among the above-mentioned technical scheme, through being provided with positioning groove on the box body, positioning groove can have the positioning action to the potentiometer, avoids the position movement of potentiometer on the box body, guarantees the stability of test procedure.

Additional features and advantages of the present application will be set forth in the detailed description which follows.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a potentiometer testing device according to some embodiments of the present application;

fig. 2 is an internal circuit diagram of a potentiometer testing device according to some embodiments of the present application.

Icon: 10-a box body; 20-a wire pressing end assembly; 30-a test end assembly; 40-switching; 50-potentiometer.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present application, it should be noted that, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is conventionally put when the product of the application is used, which is merely for convenience in describing the present application and simplifying the description, and is not indicative or implying that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present application, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

Examples

Referring to fig. 1 and 2, the potentiometer testing device includes a box body 10, a wire pressing end assembly 20, a testing element and a testing end assembly 30, wherein the wire pressing end assembly 20 is arranged on the box body 10, and the wire pressing end assembly 20 is used for connecting an output end of a potentiometer 50; the test element is used for detecting the total resistance value or the insulation resistance of the potentiometer 50; the testing end assembly 30 is arranged on the box body 10, and the testing end assembly 30 is used for connecting the output ends of the testing elements; wherein, a switching circuit is arranged in the box body 10, the switching circuit is respectively electrically connected with the wire pressing end assembly 20 and the testing end assembly 30, and a loop can be formed between the potentiometer 50 and the testing element through the switching circuit; the switching circuit has a first detection state and a second detection state, and when the switching circuit is in the first detection state, the test element is used for detecting the total resistance value of the potentiometer 50; when the switching circuit is in the second detection state, the test element is used to detect the insulation resistance of the potentiometer 50.

In this scheme, the lead wire of potentiometer 50 corresponds with line ball end subassembly 20 on the box body 10 and is connected, then the setting of the inside switching circuit of box body 10 can make test element detect the total resistance value or the insulation resistance of potentiometer 50, only need an operating personnel, install the back in place with potentiometer 50, through the detection state that changes switching circuit, alright accomplish respectively and accomplish total resistance value and insulation resistance detection of potentiometer 50, convenient operation is swift, the quantity of test personnel has been reduced, operating personnel intensity of labour has been alleviateed, avoid human error to lead to the product to damage.

The test element and the case 10 may be in a split structure, that is, the test element and the case 10 are separately disposed, and the test element is connected with the test end assembly 30 on the case 10 when the test is needed. Of course, the test element and the box body 10 may be integrated, i.e. the test element is integrated on the box body 10, and only the circuit of the test element is required to be connected with the test end assembly 30 during testing, so that the portable electronic device is convenient to carry and high in integration level. In this embodiment, the test element and the case 10 are of a split type structure.

In some embodiments, the wire end assembly 20 includes three wire ends for corresponding connection with three leads of the potentiometer 50, respectively. The test terminal assembly 30 includes three test terminals, with the test element being connected to two of the three test terminals. Since the output end of the potentiometer 50 has three leads, namely, red, blue and white leads, the wire pressing end is correspondingly arranged as three wire pressing ends, and is correspondingly connected with the three leads of the potentiometer 50 respectively, so that the connection between the potentiometer 50 and the wire pressing end assembly 20 is completed. And the line is connected in a line pressing mode, so that the connection stability of the line is high.

The switching circuit is connected to the three wire ends of the wire end assembly 20, and has a first contact, a second contact, a third contact and a fourth contact connected in parallel, the first contact and the third contact are connected in parallel, the first contact, the second contact and the third contact are connected to the main circuit, and the fourth contact is grounded. The switch 40 includes two switch ends, namely a first switch end and a second switch end, where the first switch end is located on the main line. The three interface ends are a k1 port, a k2 port and a k3 port respectively, one end of the k1 port is connected with the main circuit, the k2 port is connected with the second switching end, and the other end of the k3 port is grounded.

Specifically, when the switching circuit is in a first detection state, that is, when the total resistance value is checked, the output end of the test element is connected with the k1 port and the k3 port, the first switching end is connected with the first contact, and the second switching end is connected with the third contact. When the switching circuit is in a second detection state and insulation resistance detection is carried out, the output end of the test element is connected with the k2 port and the k3 port, the first switching end is connected with the second contact, and the second switching end is connected with the fourth contact. When detection is not needed, the change-over switch 40 is adjusted to be in an off state, and neither the first change-over end nor the second change-over end is connected with the contact of the change-over circuit.

In some embodiments, the test element is configured as a multimeter or megameter, the test element being a multimeter with an output of the multimeter electrically connected to the test terminal assembly 30 for detecting a total resistance value of the potentiometer 50 when the switching circuit is in the first detection state; when the switching circuit is in the second detection state, the test element is a megohmmeter, and the output terminal of the megohmmeter is electrically connected to the test terminal assembly 30 for detecting the insulation resistance of the potentiometer 50. The test element is adopted as the universal meter and the megohmmeter, the existing test element is relied on, the materials are conveniently obtained, the structure is simple, and the implementation is easy.

When the total resistance of the potentiometer 50 needs to be tested, the switching circuit is only required to be adjusted to the first detection state, and then the output end of the multimeter in the test element is electrically connected with the test end assembly 30, so that the test of the total resistance of the potentiometer 50 can be completed. Similarly, when the insulation resistance of the potentiometer 50 needs to be tested, the switching circuit is only required to be adjusted to the second detection state, and then the output end of the megohmmeter in the test element is electrically connected with the test end assembly 30, so that the insulation resistance of the potentiometer 50 can be tested.

In some embodiments, the box 10 is provided with a switch 40, where the switch 40 is electrically connected to the switching circuit, and the switch 40 is used to change the detection state of the switching circuit. Through being provided with change over switch 40 on box body 10, change over switch 40 is connected with the switching circuit electricity, and the operating personnel only need act on change over switch 40 like this to this changes the detection state of switching circuit, convenient operation is swift.

The switch 40 may change the detection state of the switching circuit in a plurality of ways on the case 10, for example, the switch 40 may be in a rotating way or in a plurality of key ways.

In some embodiments, the switch 40 is provided as a knob switch, the switch 40 being adapted to change the detection state of the switching circuit in case of rotation along its own axis. By adopting the change-over switch 40 as a knob type switch, an operator can change the detection state of the change-over circuit only by rotating the change-over switch 40 to the corresponding gear, and the controllability is strong.

In some embodiments, the switching circuit also has an open state, and when the switching circuit is in the open state, the potentiometer 50, the switching circuit, and the test element are open. The potentiometer 50 and the test element can be rapidly cut off by adjusting the switching circuit to the off state when the potentiometer 50 is not required to be tested or after the potentiometer 50 is tested, and the potentiometer 50 can be tested by operating the switching switch 40 after the potentiometer 50 and the test element are required to be connected when the potentiometer 50 is required to be tested.

In some embodiments, the wire end assembly 20 and the test end assembly 30 are located on the same surface of the cartridge body 10. By locating the wire pressing end assembly 20 and the testing end assembly 30 on the same surface of the box body 10, the wire connection between the potentiometer 50 and the testing element is facilitated for operators, and the space layout is more reasonable.

In some embodiments, the test terminals are a connection post and a wire cap, one end of the connection post is located in the box body 10 and is electrically connected with the switching circuit, the other end of the connection post is located outside the box body 10 for connection with the test element, the wire cap is in threaded fit with the connection post, and the wire cap is used for fastening the output terminal of the test element to the connection post. After the lead wire of the test element is wound on the connecting column through the threaded cap and the threaded connection of the connecting column, the threaded cap moves along the connecting column to the side close to the lead wire through rotating the threaded cap, and the lead wire of the test element is fastened on the connecting column, so that the test element is firmly connected with the test end.

In some embodiments, the case 10 is provided with a positioning groove for placing the potentiometer 50. Through being provided with positioning groove on box body 10, positioning groove can have the locate action to potentiometer 50, avoids the position movement of potentiometer 50 on box body 10, guarantees the stability of test process.

It should be noted that, without conflict, features in the embodiments of the present application may be combined with each other.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A potentiometer testing apparatus, comprising:

a case body;

the wire pressing end assembly is arranged on the box body and is used for connecting the output end of the potentiometer;

a test element for detecting a total resistance value or an insulation resistance of the potentiometer;

the test end assembly is arranged on the box body and is used for connecting the output ends of the test elements;

the box body is internally provided with a switching circuit, the switching circuit is respectively and electrically connected with the wire pressing end assembly and the testing end assembly, and a loop can be formed between the potentiometer and the testing element through the switching circuit; the switching circuit is provided with a first detection state and a second detection state, and the test element is used for detecting the total resistance value of the potentiometer when the switching circuit is in the first detection state; when the switching circuit is in the second detection state, the test element is used for detecting the insulation resistance of the potentiometer.

2. The potentiometer testing device of claim 1, wherein the test element is configured as a multimeter or a megameter, the test element being a multimeter when the switching circuit is in the first sensing state, an output of the multimeter being electrically connected to the test terminal assembly for sensing a total resistance value of the potentiometer; when the switching circuit is in the second detection state, the test element is a megohmmeter, and the output end of the megohmmeter is electrically connected with the test end component so as to be used for detecting the insulation resistance of the potentiometer.

3. The potentiometer testing device of claim 1, wherein a switch is provided on the case, the switch being electrically connected to the switching circuit, the switch being configured to change a detection state of the switching circuit.

4. A potentiometer testing arrangement according to claim 3, wherein the change-over switch is provided as a rotary switch for changing the detection state of the switching circuit in case of rotation along its own axis.

5. The potentiometer testing apparatus of claim 1, wherein the switching circuit further has an off state, and wherein when the switching circuit is in the off state, the potentiometer, the switching circuit, and the test element are open.

6. The potentiometer testing device of claim 1, wherein the wire end assembly and the testing end assembly are located on the same surface of the case.

7. The potentiometer testing device of claim 1, wherein the wire pressing end assembly comprises three wire pressing ends, and the three wire pressing ends are respectively used for being correspondingly connected with three leads of the potentiometer; the test end assembly comprises three test ends, and the test element is connected with two of the three test ends.

8. The potentiometer testing device of claim 1, wherein the testing end comprises a connection post and a wire cap, one end of the connection post is positioned in the box body and is electrically connected with the switching circuit, the other end of the connection post is positioned outside the box body and is used for being connected with the testing element, the wire cap is in threaded fit with the connection post, and the wire cap is used for fastening the output end of the testing element to the connection post.

9. The potentiometer testing device of claim 1, wherein the case is provided with a positioning groove for placing the potentiometer.