CN206378569U - A kind of voltage relay abnormal detector - Google Patents

Abstract

The utility model discloses a voltage relay abnormal detection device, which comprises a power supply module, an external circuit module, a voltage detection module, a resistance detection module and a response detection module, the external circuit module, the voltage detection module, and the resistance detection module , the output end of the response detection module is connected to the analysis module, the analysis module is electrically connected to the input end of the control module, the output end of the control module is connected to a display module and an alarm module, and the control module is electrically connected to a communication module. The beneficial effect is that the utility model can carry out a fault alarm according to the detection result after comprehensive detection of the input and output voltage, coil resistance and coil response speed of the relay, which is convenient for the operator to intuitively understand the fault information of the relay, and can carry out remote communication , it is convenient for the operator to carry out remote assistance analysis of faults, and improve the judgment and processing efficiency of relay faults.

Description

An abnormal detection device for a voltage relay

technical field

The utility model belongs to the field of detection equipment, in particular to a voltage relay abnormality detection device.

Background technique

The voltage relay is a circuit control element that uses a small current to control a large current, and plays the role of automatic adjustment and safety protection in the circuit. It is mainly used in the relay protection devices of generators, transformers and transmission lines as the starting element for overvoltage protection or low voltage blocking. The application number is: 201320805111.0 Chinese patent, the specific content is: a relay detection device, the device includes: a power supply, a control module and a detection module, and the detection module includes a pull-in detection circuit, a resistance detection circuit and a display circuit. The power supply, pull-in detection circuit, resistance detection circuit and display circuit are all connected to the control module. The above-mentioned patents cannot perform alarm and remote communication according to the detection results during the relay detection, and it is difficult to intuitively judge the relay fault, and it cannot perform remote communication, which is not convenient for remote processing of the relay fault. Therefore, a voltage relay detection device capable of automatic alarm and remote communication is needed to solve the deficiencies in the above patents.

Utility model content

The purpose of this utility model is to provide a voltage relay abnormal detection device in order to solve the above problems.

The utility model realizes above-mentioned purpose through following technical scheme:

A voltage relay abnormal detection device, comprising a power supply module, an external circuit module, a voltage detection module, a resistance detection module, a response detection module, the external circuit module, the voltage detection module, the resistance detection module, the response detection The output end of the module is connected to the analysis module, the analysis module is electrically connected to the input end of the control module, the output end of the control module is connected to the display module and the alarm module, and the control module is electrically connected to the communication module.

In the above structure, after the relay to be tested is installed on the external circuit module, the voltage detection module, the resistance detection module and the response detection module can check the operating state of the relay, the coil voltage resistance, and the response speed of the relay contact. Perform detection records, and transmit the detection signal to the analysis module for standard value comparison, and transmit the comparison result information to the control module, and the control module will display the detection results through the display module. If the analysis If the result shows that the relay is faulty, then the alarm module at the corresponding position is controlled to display an alarm, and at the same time, the analysis result can be transmitted to the remote control terminal through the communication module for remote fault assistance analysis, so as to improve the processing speed of relay faults.

Preferably, the power module is a voltage-adjustable lithium battery pack.

Preferably, the external circuit module is wires and contacts used for detecting relays.

Preferably, the communication module adopts a 4G communication module or a WiFi communication module.

Preferably, the display module adopts LED display screen.

Preferably, the control module adopts an ARM series single-chip microcomputer as the main control chip.

The beneficial effect is that the utility model can carry out a fault alarm according to the detection result after comprehensive detection of the input and output voltage, coil resistance and coil response speed of the relay, which is convenient for the operator to intuitively understand the fault information of the relay, and can carry out remote communication , it is convenient for the operator to carry out remote assistance analysis of faults, and improve the judgment and processing efficiency of relay faults.

Description of drawings

Fig. 1 is a block diagram of a control system of a voltage relay abnormality detection device described in the present invention.

1. Power supply module; 2. External circuit module; 3. Voltage detection module; 4. Resistance detection module; 5. Response detection module; 6. Analysis module; 7. Alarm module; 8. Communication module; 9. Display module; 10 , Control module.

detailed description

Below in conjunction with accompanying drawing, the utility model is further described:

As shown in Figure 1, a voltage relay abnormal detection device includes a power supply module 1, an external circuit module 2, a voltage detection module 3, a resistance detection module 4, a response detection module 5, an external circuit module 2, a voltage detection module 3, a resistor The output terminals of the detection module 4 and the response detection module 5 are connected to the analysis module 6, the analysis module 6 is electrically connected to the input terminal of the control module 10, the output terminal of the control module 10 is connected to the display module 9 and the alarm module 7, and the control module 10 is electrically connected A communication module 8 is connected.

In the above structure, after the relay to be tested is installed on the external circuit module 2, the voltage detection module 3, the resistance detection module 4 and the response detection module 5 can detect and record the operating state of the relay, the coil voltage resistance, and the response speed of the relay contact. And the detection signal is transmitted to the analysis module 6 for standard value comparison, and the comparison result information is transmitted to the control module 10, and the detection result is displayed by the control module 10 through the display module 9. If the analysis result shows that the relay is faulty, then control the corresponding The alarm module 7 of the position displays an alarm, and at the same time, the analysis result can be transmitted to the remote control terminal through the communication module 8 for remote fault assistance analysis, so as to improve the processing speed of relay faults.

As preferably, the power supply module 1 is a lithium battery pack with adjustable voltage, the external circuit module 2 is used for detecting relay wires and contacts, etc., and the communication module 8 adopts a 4G communication module, which can ensure the rapid transmission of detection signals and improve For the detection efficiency of relay faults, the display module 9 adopts an LED display, and the control module 10 adopts an ARM series single-chip microcomputer as a main control chip.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their effects.

Claims (6)

1. a kind of voltage relay abnormal detector, it is characterised in that：Including power module, external circuit module, voltage inspection Survey module, resistance detection module, response detection module, the external circuit module, the voltage detection module, resistance inspection Module, the output end linking parsing module of the response detection module are surveyed, the analysis module is electrically connected with the defeated of control module Enter end, the output end of the control module is connected with display module and alarm module, and the control module is electrically connected with communication Module.

2. a kind of voltage relay abnormal detector according to claim 1, it is characterised in that：The power module is The adjustable lithium battery group of voltage.

3. a kind of voltage relay abnormal detector according to claim 1, it is characterised in that：The external circuit mould Block is the wire used in detection relay and contact etc..

4. a kind of voltage relay abnormal detector according to claim 1, it is characterised in that：The communication module is adopted With 4G communication modules or WiFi communication module.

5. a kind of voltage relay abnormal detector according to claim 1, it is characterised in that：The display module is adopted Use LED display.

6. a kind of voltage relay abnormal detector according to claim 1, it is characterised in that：The control module is adopted Main control chip is used as with ARM series monolithics.