CN211374977U

CN211374977U - Relay detection device

Info

Publication number: CN211374977U
Application number: CN201921694205.9U
Authority: CN
Inventors: 腾飞; 陈超; 陆振国; 李霞; 李振万; 黎艺华; 管建; 曾令军; 侯新宝
Original assignee: China General Nuclear Power Corp; China Nuclear Power Engineering Co Ltd; CGN Power Co Ltd
Current assignee: China General Nuclear Power Corp; China Nuclear Power Engineering Co Ltd; CGN Power Co Ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-08-28
Anticipated expiration: 2029-10-11

Abstract

The utility model provides a relay detection device, which comprises a detection joint and a singlechip; the detection joint comprises a plurality of contacts, and the contacts are used for connecting pins of the relay to be detected and collecting electric signals of the pins; the detection joint is connected with the input end of the single chip microcomputer and transmits the electric signal into the single chip microcomputer, and the single chip microcomputer converts and calculates the electric signal and outputs a detection result. The utility model provides a relay detection device, improved the convenience of relay resistance measurement operation, from once measuring one return circuit, become once measuring four return circuits; the condition that other elements are touched by mistake in the detection operation is reduced, and the four loops of one relay can be accessed by holding the detection joint by one hand; the working efficiency is greatly improved, and the time for completing the measurement of one relay only needs 3 to 5 seconds; the reliability of detection operation is improved, and the detection result is more accurate.

Description

Relay detection device

[ technical field ] A method for producing a semiconductor device

The utility model relates to a detect technical field, especially relate to a relay detection device.

[ background of the invention ]

Relays are one of the common elements in modern industrial control, and especially in the power supply and distribution system of a nuclear power plant, the use amount of the relays is more huge. In order to prevent false signals generated by false actions of a large number of relays under the working conditions of the earthquake and other polar ends, all the relays are fixedly installed on a power supply and distribution system in a non-detachable mode. However, because the relay cannot be disassembled, the current detection method for the relay is as follows: two surveyors' simultaneous operation, alone use the universal meter probe to carry out the contact measurement to one way in four return circuits of relay, handheld universal meter body reading alone in addition.

The existing detection method of the relay has the following defects: the space in the electrical cabinet is narrow, and the detection operation is inconvenient; the two hands of a tester are placed in the cabinet, so that insufficient light is generated in the cabinet, and the situations of wrong insertion of the probe and mistaken touch of other elements often occur; the manual operation is slow, and the detection efficiency is low; the contact area of the multimeter probe plug-in relay pin is changed, the measuring result is not accurate enough, and the reliability is not high.

In view of the above, it is desirable to provide a novel relay testing apparatus to overcome the above-mentioned drawbacks.

[ Utility model ] content

The utility model aims to provide a: provided is a relay detection device which can improve the convenience of relay resistance measurement operation, reduce the error collision of other elements in the detection operation, greatly improve the operation efficiency, improve the reliability of the detection operation and make the detection result more accurate.

In order to achieve the above object, the utility model provides a relay detection device, which comprises a detection joint and a single chip microcomputer; the detection joint comprises a plurality of contacts, and the contacts are used for connecting pins of the relay to be detected and collecting electric signals of the pins; the detection joint is connected with the input end of the single chip microcomputer and transmits the electric signal into the single chip microcomputer, and the single chip microcomputer converts and calculates the electric signal and outputs a detection result.

In a preferred embodiment, the number of the contacts is eight, and the contacts are respectively and correspondingly connected with a coil positive pin, a coil negative pin, a pair of common contact pins, a pair of normally open contact pins and a pair of normally closed contact pins of the relay to be tested; the contact is in a shape of a pointed cluster made of a permanent magnet material.

In a preferred embodiment, the single chip microcomputer further comprises an LCD display, the LCD display is connected with the output end of the single chip microcomputer, and the LCD display is used for displaying the detection result.

In a preferred embodiment, the single chip microcomputer further comprises an LED status indicator light, and the LED status indicator light is connected to an output end of the single chip microcomputer.

In a preferred embodiment, the system further comprises a host, and the host is used for storing and recording the detection result output by the single chip microcomputer.

In a preferred embodiment, the host and the single chip microcomputer are connected through a wired communication module.

In a preferred embodiment, the host is connected with the single chip microcomputer through a wireless communication module.

In a preferred embodiment, the wireless communication module is a bluetooth module or a WIFI module.

Compared with the prior art, the utility model provides a relay detection device, improved the convenience of relay resistance measurement operation, from once measuring one return circuit, become once measuring four return circuits; the condition that other elements are touched by mistake in the detection operation is reduced, and the four loops of one relay can be accessed by holding the detection joint by one hand; the working efficiency is greatly improved, and the time for completing the measurement of one relay only needs 3 to 5 seconds; the reliability of detection operation is improved, and the detection result is more accurate.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a relay detection device provided by the present invention;

fig. 2 is a structural diagram of a contactor in the relay inspection device shown in fig. 1.

[ detailed description ] embodiments

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as 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 invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a relay detection device 100 according to the present invention. The utility model provides a relay detection device 100, including detection joint 10 and singlechip 20.

The detection connector 10 comprises a plurality of contacts 11, and the contacts 11 are used for connecting pins of a relay to be detected (not shown) and collecting electric signals of the pins; the detection joint 10 is connected with the input end 201 of the single chip microcomputer 20 and transmits the electric signal into the single chip microcomputer 20, and the single chip microcomputer 20 converts and calculates the electric signal and outputs a detection result.

Referring to fig. 2, fig. 2 is a structural diagram of a contact 11 in the relay testing device shown in fig. 1. In the embodiment, the number of the contacts 11 is eight, the contacts 11 are respectively and correspondingly connected with a coil anode pin, a coil cathode pin, a pair of common contact pins, a pair of normally open contact pins and a pair of normally closed contact pins of the relay to be tested, and the resistance measurement operation of four loops in the relay to be tested can be completed through one-time contact; the contact 11 is in a shape of a pointed cluster made of a permanent magnetic material, specifically, one end of the contact 11 comprises a plurality of pointed corners 111 arranged in parallel, so that the contact area and strength of the contact with pins of the relay to be measured can be ensured, and the accuracy of the measured data is further ensured.

In this embodiment, the single chip microcomputer 20 is an arduino NANO with an internal memory of 8KB, and the specific model is a NANO V3.0ATMEGA328P, and has 13I/O pins and 8MH computing capability. It can be understood that the single chip microcomputer 20 can be any version of arduino, for example arduino LilyPad, and can reduce the volume of the whole device to 30mm by 30mm, so that the device is convenient to carry, and the cost of batch production can be further reduced.

Further, the single chip microcomputer 20 further comprises an LCD display 21, the LCD display 21 is connected to the output end 202 of the single chip microcomputer 20, the LCD display 21 is used for displaying the detection result, for example, when the relay is in a certain state for testing, the LCD display 21 respectively displays the resistance values R1:0, R1:4, R1:0 and R1:0 of each loop, the LCD display 21 can directly display the resistance values of each loop, and the detection result is clear.

The single chip microcomputer 20 further comprises an LED status indicator lamp 22, and the LED status indicator lamp 22 is connected with the output end 202 of the single chip microcomputer 20. Specifically, a resistance reference range is set in the single chip microcomputer 20, the single chip microcomputer 20 judges whether the acquired resistance data is in the resistance reference range, the feedback detection result is qualified or the detection result is unqualified, if the resistance data is in the resistance reference range, the LED status indicator lamp 22 normally displays, otherwise, the LED status indicator lamp 22 flickers to display, the test result can be more obviously fed back to a tester, and the test efficiency is further improved.

The utility model provides a relay detection device 100 still includes host computer 30, and host computer 30 is used for the testing result of storage and record singlechip 20 output. Specifically, the host 30 may be a computer, and can perform signal transmission with the single chip microcomputer 20.

It can be understood that the host 30 and the single chip microcomputer 20 can be connected through a wired communication module, which can be a data line, one end of the data line is connected to the output end 202 of the single chip microcomputer 20, and the other end of the data line is connected to the host 30; the host 30 and the single chip microcomputer 20 can also be connected through a wireless communication module, and the wireless communication module is a bluetooth module or a WIFI module.

Therefore, the relay detection device 100 provided by the utility model improves the convenience of the relay resistance measurement operation, and changes from one loop measurement to four loops measurement at a time; the condition that other elements are touched by mistake in the detection operation is reduced, and the four loops of one relay can be accessed by holding the detection joint by one hand; the working efficiency is greatly improved, and the time for completing the measurement of one relay only needs 3 to 5 seconds; the reliability of detection operation is improved, and the detection result is more accurate.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A relay detection device is characterized by comprising a detection joint and a single chip microcomputer; the detection joint comprises a plurality of contacts, and the contacts are used for connecting pins of the relay to be detected and collecting electric signals of the pins; the detection joint is connected with the input end of the single chip microcomputer and transmits the electric signal into the single chip microcomputer, and the single chip microcomputer converts and calculates the electric signal and outputs a detection result.

2. The relay detection device according to claim 1, wherein the number of the contacts is eight, and the contacts are correspondingly connected with a coil positive pin, a coil negative pin, a pair of common contact pins, a pair of normally open contact pins and a pair of normally closed contact pins of the relay to be detected respectively; the contact is in a shape of a pointed cluster made of a permanent magnet material.

3. The relay detection device according to claim 2, wherein the single chip microcomputer further comprises an LCD display, the LCD display is connected to an output end of the single chip microcomputer, and the LCD display is used for displaying the detection result.

4. The relay detection device according to claim 3, wherein the single chip microcomputer further comprises an LED status indicator light, and the LED status indicator light is connected with the output end of the single chip microcomputer.

5. The relay detection device according to claim 4, further comprising a host computer, wherein the host computer is used for storing and recording the detection result output by the single chip microcomputer.

6. The relay detection device according to claim 5, wherein the host computer is connected to the single chip microcomputer via a wired communication module.

7. The relay detection device according to claim 5, wherein the host is connected to the single chip via a wireless communication module.

8. The relay detection device according to claim 7, wherein the wireless communication module is a Bluetooth module or a WIFI module.