Device for rapidly measuring resistance value of relay contact

Abstract

The utility model relates to the technical field of electronic equipment detection, in particular to a device for quickly measuring the contact resistance value of a relay, which comprises a multifunctional relay, a voltage regulating power supply, a coil, a digital display ohmmeter, a connecting wire, a wiring terminal and a voltage stabilizing power supply, one end of the multifunctional relay is connected with a voltage regulating power supply and a coil, and the other end of the multifunctional relay is connected with a digital display ohmmeter; the multifunctional relay is connected with the digital display ohmmeter through a connecting line, and the digital display ohmmeter is connected with the stabilized voltage supply through a connecting line. By improving the device for rapidly measuring the resistance value of the contact of the relay, the device has the advantages that the structural design is reasonable, the resistance value of each contact of the multifunctional relay is measured through the four independent digital display ohmmeters, the measurement mode is direct and rapid, the measurement accuracy is improved, and the measurement reliability is improved; therefore, the problems and defects in the prior art and equipment are effectively solved.

Description

Technical Field

[0001] This utility model relates to the field of electronic equipment testing technology, and more specifically, to a device for rapidly measuring the resistance of relay contacts. Background Technology

[0002] A relay is an electrical control device that causes a predetermined step change in the controlled quantity in the electrical output circuit when the change in the input quantity (excitation quantity) reaches a specified requirement. A relay consists of a control system (input circuit) and a controlled system (output circuit). The interaction between these two systems allows a small current to control a large current, thus playing roles such as automatic adjustment, safety protection, and circuit switching.

[0003] A relay contact is a switching contact in a relay used to control the flow of current. Relay contacts are typically made of metals such as copper, silver, or gold, possessing good conductivity and corrosion resistance. In a relay, the function of the contacts is to control the flow of current, enabling automatic control and protection of the circuit.

[0004] The resistance value of relay contacts directly affects the performance and status of the relay. Currently, the commonly used method for measuring the resistance value of relay contacts mainly relies on manual measurement. This measurement method is not only inefficient, but also difficult to guarantee the accuracy of the measurement, resulting in poor reliability.

[0005] In view of this, this paper studies and improves upon existing problems, and provides a device for quickly measuring the resistance of relay contacts. The aim of this technology is to solve the problem and improve its practical value. Utility Model Content

[0006] The purpose of this invention is to provide a device for quickly measuring the resistance of relay contacts, so as to solve the problems and shortcomings mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides a device for rapidly measuring the resistance of relay contacts, which is accomplished by the following specific technical means:

[0008] A device for quickly measuring the resistance of relay contacts includes: a multi-function relay, a voltage regulator, a coil, a digital ohmmeter, connecting wires, terminals, and a regulated power supply; one end of the multi-function relay is connected to the voltage regulator and the coil, and the other end of the multi-function relay is connected to the digital ohmmeter; the multi-function relay and the digital ohmmeter are connected via connecting wires, and the digital ohmmeter is connected to the regulated power supply via connecting wires.

[0009] As a further optimization of this technical solution, the multi-functional relay in the device for quickly measuring the resistance of relay contacts of this utility model is a four-open and four-closed relay, and the four terminals of the multi-functional relay are respectively connected to four digital display ohmmeters.

[0010] As a further optimization of this technical solution, the device for quickly measuring the resistance of relay contacts of this utility model has a terminal block installed on the connection line between the multifunctional relay and the digital ohmmeter.

[0011] Due to the application of the above technical solution, this utility model has the following advantages compared with the prior art:

[0012] 1. The four connectors of the multi-functional relay of this utility model are respectively connected to four digital display ohmmeters. The connection line between the multi-functional relay and the digital display ohmmeter is equipped with a terminal block. The resistance value of each contact of the multi-functional relay is measured by four separate digital display ohmmeters. The measurement method is direct and fast, which improves the measurement accuracy and enhances the measurement reliability.

[0013] 2. This utility model improves the device for quickly measuring the resistance of relay contacts. It has the advantages of reasonable structural design, measuring the resistance of each contact of a multi-functional relay through four separate digital display ohmmeters, and direct and fast measurement method, which improves the measurement accuracy and reliability. Thus, it effectively solves the problems and shortcomings of existing technologies and equipment. Attached Figure Description

[0014] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0015] Figure 1 This is a schematic diagram of the structure of this utility model.

[0016] In the diagram: 1. Multifunctional relay; 2. Regulated power supply; 3. Coil; 4. Digital ohmmeter; 5. Connecting wire; 6. Terminal block; 7. Regulated power supply. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0018] Please see Figure 1 This utility model provides a specific technical implementation scheme for a device for quickly measuring the resistance of relay contacts:

[0019] A device for rapidly measuring the resistance of relay contacts includes: a multi-function relay 1, a voltage regulator 2, a coil 3, a digital ohmmeter 4, a connecting wire 5, a terminal block 6, and a regulated power supply 7. One end of the multi-function relay 1 is connected to the voltage regulator 2 and the coil 3, and the other end of the multi-function relay 1 is connected to the digital ohmmeter 4. The multi-function relay 1 and the digital ohmmeter 4 are connected via the connecting wire 5. The multi-function relay 1 is a four-open, four-closed relay, and the four terminals of the multi-function relay 1 are respectively connected to four digital ohmmeters 4. A terminal block 6 is installed on the connecting wire 5 between the multi-function relay 1 and the digital ohmmeter 4. The resistance of each contact of the multi-function relay 1 is measured through four separate digital ohmmeters 4. The measurement method is direct and fast, improving measurement accuracy and reliability.

[0020] The digital ohmmeter 4 is connected to the regulated power supply 7 via the connecting cable 5.

[0021] In summary, this device for rapidly measuring the resistance of relay contacts connects to four digital ohmmeters via four connectors on a multi-functional relay. Terminal blocks are installed on the connection lines between the multi-functional relay and the ohmmeters. The device measures the resistance of each contact of the multi-functional relay using four separate digital ohmmeters. This direct and rapid measurement method improves accuracy and reliability. The improved device for rapidly measuring the resistance of relay contacts offers advantages such as a reasonable structural design, direct and rapid measurement via four separate digital ohmmeters, and enhanced accuracy and reliability. Therefore, it effectively solves the problems and shortcomings of existing technologies and equipment.

[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for rapidly measuring the resistance of relay contacts, comprising: A multi-functional relay (1), a voltage regulator (2), a coil (3), a digital ohmmeter (4), a connecting wire (5), a terminal block (6), and a regulated power supply (7); characterized in that: one end of the multi-functional relay (1) is connected to the voltage regulator (2) and the coil (3), and the other end of the multi-functional relay (1) is connected to the digital ohmmeter (4); the multi-functional relay (1) and the digital ohmmeter (4) are connected by the connecting wire (5), and the digital ohmmeter (4) is connected to the regulated power supply (7) by the connecting wire (5).

2. The device for rapidly measuring the resistance of relay contacts according to claim 1, characterized in that: The multi-function relay (1) is a four-open, four-closed relay, and the four terminals of the multi-function relay (1) are respectively connected to four digital display ohmmeters (4).

3. The device for rapidly measuring the resistance of relay contacts according to claim 2, characterized in that: A terminal block (6) is installed on the connection line (5) between the multi-function relay (1) and the digital ohmmeter (4).

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