CN210722934U

CN210722934U - Sensing time-delay circuit breaker

Info

Publication number: CN210722934U
Application number: CN201921695991.4U
Authority: CN
Inventors: 倪春林
Original assignee: SUZHOU LAIKA ENERGY ELECTRIC TECHNOLOGY CO LTD
Current assignee: SUZHOU LAIKA ENERGY ELECTRIC TECHNOLOGY CO LTD
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-06-09
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses a sensing time delay circuit breaker, including delay device, delay device switch, sensing device switch, first contact, second contact, third contact, fourth contact and two tilting mechanism, first contact and second contact are used for connecting circuit breaker place circuit, third contact and first contact swing joint, fourth contact and second contact swing joint, and the third contact is connected delay device through a tilting mechanism, and the fourth contact is connected sensing device through a tilting mechanism. The circuit can be disconnected when the required environment reaches the preset liquid level or temperature by arranging the liquid level sensor or the temperature sensor, and the delayed disconnection is realized by arranging the time delay device.

Description

Sensing time-delay circuit breaker

Technical Field

The utility model belongs to the technical field of the circuit breaker, concretely relates to sensing time delay circuit breaker.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances.

The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like. Furthermore, no parts need to be changed after breaking the fault current. At present, it has been widely used.

Distribution of electricity is an extremely important link in the generation, transmission and use of electricity. The distribution system comprises a transformer and various high-low voltage electrical equipment, and the low-voltage circuit breaker is an electrical appliance with a large using amount.

The circuit breaker in the prior art usually implements the open circuit protection when the circuit is overloaded, and in the actual demand, there are many situations that need to open the circuit according to special conditions, such as: reaching a predetermined level, temperature or time, etc. requires shutting down all the machines in all the circuits, which conventional circuit breakers have not been able to achieve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of circuit breaker can't be according to the breaking circuit of particular case among the prior art, provide a sensing time delay circuit breaker.

For solving the prior art problem, the utility model discloses a sensing time delay circuit breaker, including delay device, delay device switch, sensing device switch, first contact, the second contact, the third contact, fourth contact and two tilting mechanism, first contact and second contact are used for connecting circuit breaker place circuit, third contact and first contact swing joint, fourth contact and second contact swing joint, and the third contact is connected delay device through a tilting mechanism, and the fourth contact is connected sensing device through a tilting mechanism.

Furthermore, the device also comprises a fifth contact, an indicator light power supply and a disconnection indicator light which are sequentially connected, wherein the fifth contact is used for being movably connected with the third contact or the fourth contact.

Further, the time delay device comprises a knob timer.

Further, the delay device comprises a liquid crystal timer.

Further, the sensing device comprises a liquid level sensor.

Further, the sensing device includes a temperature sensor.

The utility model discloses beneficial effect who has:

the circuit can be disconnected when the required environment reaches the preset liquid level or temperature by arranging the liquid level sensor or the temperature sensor, and the delayed disconnection is realized by arranging the time delay device.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

reference numerals: 1. the circuit comprises a first contact, 2, a second contact, 3, a third contact, 4, a fourth contact, 5, a fifth contact, 6, a delay device switch, 7, a sensing device, 8, a sensing device switch, 9, a turnover mechanism, 10, a delay device, 11, an indicator light power supply and 12, a turn-off indicator light.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1, the utility model discloses a sensing time delay circuit breaker, including time delay device 10, time delay device switch 6, sensing device 7, sensing device switch 8, first contact 1, second contact 2, third contact 3, fourth contact 4 and two tilting mechanism 9, first contact 1 and second contact 2 are used for connecting the circuit at circuit breaker place, third contact 3 and first contact 1 swing joint, fourth contact 4 and 2 swing joint of second contact, third contact 3 connects time delay device 10 through a tilting mechanism 9, fourth contact 4 connects sensing device 7 through a tilting mechanism 9.

When the delay circuit-breaking is needed, the delay device switch 6 is turned on, the sensing device switch 8 is turned off, the delay device switch 6 can adopt a knob timer or a liquid crystal timer, the operation is convenient, and when the preset time is reached, the third contact 3 is turned away from the first contact 1 through the turnover mechanism 9, so that the delay circuit-breaking is realized.

When the open circuit needs to be sensed, the sensing device switch 8 is turned on, the delay device switch 6 is turned off, different sensors are adopted according to requirements, for example, a liquid level sensor is adopted, the delay device switch is suitable for the water pumping work of a water pump, and when the preset liquid level is reached, the fourth contact 4 is turned away from the second contact 2 through the turning mechanism 9 to realize the open circuit; for example, when the external environment reaches a predetermined temperature, the fourth contact 4 is turned away from the second contact 2 by the turnover mechanism 9, so as to realize disconnection by using a temperature sensor.

In order to have more audio-visual demonstration when opening circuit, the utility model discloses a circuit breaker still includes the fifth contact 5, indicator light power 11 and the disconnection pilot lamp 12 that connect gradually, and fifth contact 5 is used for swing joint third contact 3 or fourth contact 4, and when forming and opening circuit, third contact 3 or fourth contact 4 overturn to fifth contact 5 rather than the contact through tilting mechanism 9, form the return circuit, and disconnection pilot lamp 12 lights.

Consider that not all machines all possess according to the function of predetermineeing the condition and closing, the utility model discloses a circuit breaker can realize opening circuit according to predetermineeing the condition to close the machine of working on the circuit, it is very convenient to use.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a sensing time delay circuit breaker, characterized in that, including time delay device (10), time delay device switch (6), sensing device (7), sensing device switch (8), first contact (1), second contact (2), third contact (3), fourth contact (4) and two tilting mechanism (9), first contact (1) and second contact (2) are used for connecting the circuit at circuit breaker place, third contact (3) and first contact (1) swing joint, fourth contact (4) and second contact (2) swing joint, third contact (3) connect time delay device (10) through a tilting mechanism (9), fourth contact (4) connect sensing device (7) through a tilting mechanism (9).

2. The sensory delay interrupter of claim 1, wherein: the switch also comprises a fifth contact (5), an indicator light power supply (11) and a disconnection indicator light (12) which are sequentially connected, wherein the fifth contact is used for being movably connected with the third contact (3) or the fourth contact (4).

3. The sensory delay interrupter of claim 1, wherein: the delay device (10) comprises a knob timer.

4. The sensory delay interrupter of claim 1, wherein: the delay device (10) comprises a liquid crystal timer.

5. The sensory delay interrupter of claim 1, wherein: the sensing device (7) comprises a liquid level sensor.

6. The sensory delay interrupter of claim 1, wherein: the sensing means (7) comprises a temperature sensor.