CN202197087U - Real-time on-line display and control electric leakage intelligent protector with hazard prevention function - Google Patents

Abstract

The utility model discloses a real-time on-line display and control electric leakage intelligent protector with a hazard prevention function. The protector comprises a control panel. A line inlet interface and a line outlet interface are arranged at two ends of the control panel; a zero-sequence mutual inductor, a shunt release, an operation mechanism and a controller are arranged inside the control panel; an operating handle of the operating mechanism extends out of the control panel; and a leakage current display screen is arranged on the control panel. The real-time on-line display and control electric leakage intelligent protector with the hazard prevention function further comprises an external sensor joint; the external sensor joint is connected with an induction recognizer; and the induction recognizer is connected with the controller. The technical problems in the prior art that the electric leakage protector cannot carry out action under the conditions of smoke and over-high temperature such as fire and other disasters so as to protect a circuit and relevant equipment. The real-time on-line display and control electric leakage intelligent protector is particularly suitable for complicated and dangerous electric environments and has the hazard prevention function.

Description

A real-time online display and control leakage intelligent protector with disaster prevention function

technical field

The utility model relates to a circuit breaker protection device, in particular to an on-line display and control leakage intelligent protector with disaster prevention function.

Background technique

Open circuit protection device refers to the switching device that can close, carry and break the current under normal circuit conditions, and can close, carry and break the current under abnormal circuit conditions (including short circuit conditions) within a specified time. In common circuits, there is generally leakage current, which is formed by the surrounding medium or insulating surface between mutually insulated metal parts, or between live parts and grounded parts, in the absence of fault applied voltage. The current is called leakage current, also known as leakage current. Excessive leakage current not only reduces the efficiency of electric energy, but also causes danger to the external environment and easily leads to electric shock accidents, so the monitoring of leakage current is very necessary. A leakage circuit breaker is a switch that can automatically operate when the leakage current in the circuit exceeds a predetermined value. It can detect the leakage current in the circuit and act according to the magnitude of the leakage current to ensure the safety of the entire circuit.

For example, Chinese patent document CN201117610Y discloses an intelligent circuit breaker, which includes a CPU central processing unit and a zero-sequence transformer connected to it, a shunt release, a motor recloser, a recloser judging unit, and a current transformer, communication Unit, display unit, storage unit, clock unit, key input unit, and each unit device is connected to the corresponding pin on the CPU central processing unit. In this technical solution, the circuit breaker can monitor, store, analyze, and display line load operating parameters such as voltage, current, and leakage current in real time. When accidents such as smoke and overheating (fire) occur in the use environment of electrical equipment and lines, the lines should be disconnected and the equipment should be shut down to minimize the risk of disaster. However, in this technical solution, when accidents such as smoke and fire occur in the use environment of the circuit breaker, the circuit breaker cannot perform a disconnection action to protect the entire line and related equipment therein, and cannot cope with these disaster situations.

Contents of the invention

For this reason, the technical problem to be solved by the utility model is that the circuit breaker in the prior art cannot perform a disconnection action to protect the circuit and related equipment when disasters such as smog and overheating occur. Disconnected real-time online display and control leakage intelligent protector with disaster prevention function.

In order to solve the above technical problems, the real-time online display and control leakage intelligent protector with disaster prevention function of the utility model includes a control panel, and the two ends of the control panel are provided with incoming line interfaces and outgoing line interfaces, and the inside of the control panel It is equipped with a zero-sequence transformer, a shunt release, an operating mechanism and a controller. The operating handle of the operating mechanism extends out of the control panel, and the control panel is provided with a leakage current display screen. The zero-sequence transformer, the shunt release and the leakage current display screen are respectively connected; the real-time online display and control leakage intelligent protector with disaster prevention function also includes an external sensor connector, and the external sensor connector is connected to the induction identification The device is connected, and the induction recognizer is connected with the controller.

In the real-time online display and control leakage intelligent protector with disaster prevention function, the number of external sensor connectors is set to 2-10.

The real-time online display and control leakage intelligent protector with disaster prevention function, the external sensor is a temperature sensor.

The real-time online display and control leakage intelligent protector with disaster prevention function, the external sensor is a smoke sensor.

Compared with the prior art, the above-mentioned technical solution of the utility model has the following advantages,

(1) For the real-time online display and control leakage intelligent protector with disaster prevention function described in the utility model, the two ends of the control panel are provided with an incoming line interface and an outgoing line interface, and the inside of the control panel is provided with a zero-sequence transformer, Shunt release, operating mechanism and controller, the operating handle of the operating mechanism extends out of the control panel, and the control panel is provided with a leakage current display screen, a real-time online display and control leakage intelligent protector with disaster prevention functions An external sensor connector is also provided, the external sensor connector is connected with the induction recognizer, and the induction recognizer is connected with the controller. For example, the external sensor can be provided with a temperature sensor. When the temperature is too high or the ambient temperature exceeds the safe temperature threshold set by the induction recognizer, the controller controls the action of the shunt release to cut off the entire circuit, effectively avoiding the environmental temperature caused by sudden disasters. If it is too high and the whole circuit does not cut off the power in time, it ensures the safety of the whole power consumption environment. The external sensors here can be selected according to the needs, such as smoke sensors, temperature sensors or other switch signals, according to needs. choice, with wide adaptability.

(2) The real-time online display and control leakage intelligent protector with disaster prevention function described in the utility model, the external sensor can also be set as a smoke sensor, when unknown smoke appears in the electricity environment, such as a fire, the smoke will The sensor sends the smoke signal to the induction recognizer through the external sensor connector, and the induction recognizer judges whether the smoke content exceeds the preset threshold, and if it exceeds the preset threshold, the controller controls the action of the shunt release , cut off the entire circuit, ensuring the safety of the entire electricity environment.

(3) For the real-time online display and control leakage intelligent protector with disaster prevention function described in the utility model, the external sensor connectors can be provided with 2-10 pieces, that is, the real-time online display and control leakage intelligent protection with disaster prevention function The controller can be connected with multiple external sensors to conduct multi-parameter and all-round monitoring of the power consumption environment.

Description of drawings

In order to make the content of the utility model easier to understand clearly, the utility model will be described in further detail below according to specific embodiments of the utility model in conjunction with the accompanying drawings, wherein

Fig. 1 is the schematic diagram of the real-time online display and control leakage intelligent protector with disaster prevention function described in the utility model;

Fig. 2 is a structural block diagram of the real-time online display and control leakage intelligent protector with disaster prevention function described in the utility model.

The reference signs in the figure are represented as: 1-control panel, 2-incoming line interface, 3-outgoing line interface, 4-operating handle, 5-leakage current display screen, 6-external sensor connector.

Detailed ways

A specific embodiment of the real-time online display and control leakage intelligent protector with disaster prevention function described in the present utility model is given below, including a control panel 1, and the two ends of the control panel 1 are provided with an incoming line interface 2 and an outgoing line Interface 3, as shown in Figure 1, the interior of the control panel 1 is provided with a zero-sequence transformer, a shunt release, an operating mechanism and a controller, where the CPU control chip is selected as the controller, and the operating mechanism The operating handle 4 extends out of the control panel 1, and the closing and disconnecting of the circuit can be manually realized through the operating handle 4. The control panel 1 is provided with a leakage current display screen 5, and the controller and the zero The sequence transformer, the shunt release and the leakage current display screen 5 are respectively connected, the zero sequence transformer is used to detect the leakage current in the line, and the shunt release can perform a tripping action to disconnect the entire circuit, The controller displays the leakage current detected by the zero-sequence transformer on the leakage current display screen 5 in real time, and when the leakage current value exceeds the preset threshold in the controller, the control The device controls the action of the shunt release to disconnect the circuit. In order to prevent the electric leakage intelligent protector from being disconnected by itself when the electricity environment is in danger, thus causing danger to the entire electric circuit, the real-time online display and control leakage intelligent protector with disaster prevention function is also provided with an external sensor connector 6 As well as an inductive identifier, the external sensor connector 6 is respectively connected to an external sensor for environmental monitoring and the inductive identifier arranged in the power consumption environment, and the inductive identifier is connected to the controller. When the external sensor detects changes in external environmental parameters, the induction signal is transmitted to the induction identifier through the external sensor connector, and the induction identifier judges whether it is necessary to disconnect the power circuit, and controls it through the controller The shunt release operates to disconnect the circuit.

In this embodiment, the external sensor connector 6 is connected to the smoke sensor, and the smoke signal in the external environment is collected by the smoke sensor, and transmitted to the induction recognizer through the external sensor connector 6, and the induction recognizer recognizes that the induction signal is Smoke signal, and compared with the preset threshold, when the smoke concentration in the external environment exceeds the preset threshold, a signal is sent to the controller, and the controller controls the action of the shunt release according to the signal of the induction recognizer , break the circuit.

As a changeable implementation, the external sensor connector 6 can also be connected to a temperature sensor, and when the temperature in the external environment exceeds a preset threshold, a signal is sent to the controller, and the controller controls the sensor according to the signal of the sensor identifier. The excitation release operates and the circuit is disconnected.

In the above-mentioned embodiment, multiple external sensor connectors 6 can also be set as required, so that multiple external sensors can be connected at the same time for simultaneous monitoring of changes in various external environmental parameters. When an unexpected situation occurs such as temperature If the smoke concentration is too high or other unexpected situations, the induction recognizer recognizes the induction signal, and controls the action of the shunt release through the controller, so as to disconnect the circuit and reduce or avoid the occurrence of disasters.

When in use, the real-time online display and control leakage intelligent protector with disaster prevention function is connected to the line through the incoming line interface 2 and the outgoing line interface 3, and can be connected to three-phase alternating current and a neutral line, through the operation of the operating mechanism The handle 4 closes the circuit, the leakage intelligent protector is connected to the power circuit, the zero-sequence transformer detects the leakage current in the line, and the leakage current value is displayed on the leakage current display in real time by the controller on screen 5. The external sensor connector 6 is connected to the signal line of the external sensor. When the external sensor monitors the change of the external environmental parameters, the induction signal is transmitted to the induction identifier through the external sensor connector. When the induction signal is greater than the set value of the induction identifier When the safety threshold is reached, the induction recognizer will control the action of the shunt release through the controller to disconnect the circuit, thereby ensuring the safety of the entire power line.

Apparently, the above-mentioned embodiments are only examples for clear description, rather than limiting the implementation. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. And the obvious changes or variations derived therefrom are still within the scope of protection of the utility model.

Claims (4)

1. the real-time online with function of disaster prevention shows control electric leakage intellective protector; Comprise control panel; The two ends of said control panel are provided with the inlet wire interface and go out line interface; The set inside of said control panel has ZCT, shunt release, operating mechanism and controller, and the operating grip of said operating mechanism stretches out outside the control panel, and said control panel is provided with the leakage current display screen; Said controller is connected respectively with said ZCT, said shunt release and said leakage current display screen; It is characterized in that: also comprise the external sensor joint, said external sensor joint is connected with the induction identifier, and said induction identifier is connected with said controller.

2. the real-time online with function of disaster prevention according to claim 1 shows control electric leakage intellective protector, it is characterized in that: said external sensor joint is provided with 2-10.

3. the real-time online with function of disaster prevention according to claim 1 shows control electric leakage intellective protector, and it is characterized in that: said external sensor is a temperature sensor.

4. the real-time online with function of disaster prevention according to claim 1 shows control electric leakage intellective protector, and it is characterized in that: said external sensor is a Smoke Sensor.

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