CN211907850U

CN211907850U - Socket device capable of automatically protecting electric equipment

Info

Publication number: CN211907850U
Application number: CN202020830050.3U
Authority: CN
Inventors: 张全德
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2020-11-10
Anticipated expiration: 2030-05-18

Abstract

The utility model discloses a can protect consumer's socket device automatically, which comprises a socket body, auxiliary relay, take earth leakage protection's high section divider, switching power supply, a relay, the LED pilot lamp, adjusting resistor, sliding resistor, bee calling organ, piezo-resistor and lightning protection component, auxiliary relay's coil connects the output at high section divider, high section divider connects in parallel in power supply line, switching power supply connects in parallel in the input of high section divider, electromagnetic relay connects in parallel in switching power supply's DC output end, connect in parallel in switching power supply's output after LED pilot lamp establishes ties mutually with electromagnetic relay's normally open contact. Compared with the prior art, the utility model adopts the technical scheme reasonable and practical, low cost, the circuit is simple, the stable performance is reliable, automatic protection consumer, socket arrangement have overload, excessive pressure, overflow, short circuit function, low-power consumption, the high efficiency has the lightning protection measure, can work as usual in the thunderstorm weather.

Description

Socket device capable of automatically protecting electric equipment

Technical Field

The utility model relates to a supply socket technical field especially relates to a can automatic protection consumer's socket arrangement.

Background

The sockets sold in the market at present mainly comprise two types, namely a common socket and an intelligent socket with a leakage protection function. In specific application, the common socket is low in price and wide in application range, but does not have the function of automatically protecting electrical equipment. If electrical equipment uses ordinary socket outfit, when electrical equipment appears the electric leakage, cause the main switch trip on the whole power consumption circuit easily, the result just is difficult to find out which electrical equipment leaks electricity exactly, finally leads to electrical equipment on the whole circuit all can not normally operate. The intelligent socket with the leakage protection function is expensive, and in application, transient state and dynamic interconversion of leakage electrical equipment often occurs. If the electric equipment is not found by the electric personnel in time during the electric leakage and the switch is not turned off in time, the electric equipment is caused to be in a working state of repeatedly alternating on and off, so that the electric equipment is easily damaged. The prior art is difficult to solve the problems, and the socket device which can control the safety of a single electric leakage appliance, cannot have a repeatedly alternate working state and is provided with a lightning protection element in use in thunderstorm weather is urgently invented, so that the damage of the electric appliance is effectively avoided, the expensive economic loss caused by the damage of the electric appliance is reduced, and some safety accidents are avoided.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned defects, the utility model aims to provide a can automatic protection consumer's socket device can be in the leakage state at electrical equipment and in time detect to ensure that the electrical equipment of electric leakage withdraws from the power consumption circuit automatically after detecting, thoroughly the power supply is cut off, the emergence and the expansion of prevention accident.

In order to achieve the above object, the utility model adopts the following technical scheme: a socket device capable of automatically protecting electric equipment comprises a socket body, an intermediate relay, a high-voltage divider with leakage protection, a switching power supply, a relay, an LED indicator light, a regulating resistor, a sliding resistor, a buzzer, a piezoresistor and a lightning protection element, wherein the intermediate relay is arranged between the socket body and the intermediate relay; the coil of the intermediate relay is connected with the output end of the high-breaking circuit breaker, the high-breaking circuit breaker is connected in parallel in a power circuit, the switching power supply is connected in parallel with the input end of the high-breaking circuit breaker, the electromagnetic relay is connected in parallel with the direct-current output end of the switching power supply, the LED indicator lamp is connected in series with the normally open contact of the electromagnetic relay and then connected in parallel with the output end of the switching power supply, the sliding resistor, the buzzer and the normally closed contact of the intermediate relay are connected in series and then connected in parallel with the output end of the switching power supply, and the lightning protection element and the piezoresistor are connected in series to form a.

Further, the model of the intermediate relay is JZX-22F (D)/2Z 220V.

The high-breaking-point circuit with the leakage protection is DZ47 LE-32.

The model of the switching power supply is MS-50-24.

The relay is SHA-T90.

And an adjusting resistor is connected between the LED indicator lamp and the normally open contact of the electromagnetic relay.

The utility model adopts a reasonable technical scheme, is practical, has low cost, simple circuit and stable and reliable performance; the socket device for automatically protecting the electric equipment has the functions of overload, overvoltage, overcurrent and short circuit, low power consumption and high efficiency, also has a lightning protection measure, can normally work in thunderstorm days, reduces the welding process during assembly and improves the stability and reliability of the electric equipment because the AC 220V switching power supply module with the model of MS-50-24 is converted into the DC 24V switching power supply module.

Drawings

The structure and features of the present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is a working principle diagram of the present invention.

In the attached figure 1, 1 is an intermediate relay, 2 is a high-breaking circuit breaker with leakage protection, 3 is a lightning protection element, 4 is a piezoresistor, 5 is an LED indicator light, 6 is a normally open contact of an electromagnetic relay, 7 is a normally closed contact of the intermediate relay, 8 is an adjusting resistor, 9 is a sliding resistor, 10 is a buzzer, 11 is a socket body, 12 is a switching power supply, and 13 is an electromagnetic relay.

Detailed Description

Referring to fig. 1, an embodiment of the present invention discloses a socket device for automatically protecting electrical equipment, which comprises a socket body 11, an intermediate relay 1, a high-voltage divider 2 with leakage protection, a switching power supply 12, an electromagnetic relay 13, an adjusting resistor 8, an LED indicator 5, an electromagnetic relay normally open contact 6, a sliding resistor 9, a buzzer 10, an intermediate relay normally closed contact 7, a lightning protection element 3, and a varistor 4, wherein the high-voltage divider 2 is connected in parallel to a power line, the intermediate relay 1 is connected in parallel to an output end of the high-voltage divider 2, the switching power supply 12 is connected in parallel to an input end of the high-voltage divider 2, the electromagnetic relay 13 is connected in parallel to an output end of the switching power supply 12, the LED indicator 5, the adjusting resistor 8 and the electromagnetic relay normally open contact 6 are connected in series and then connected in parallel to an output end of the switching power supply 12, the sliding resistor 9, the buzzer 10 and the intermediate relay normally closed contact 7 are connected in series and, the lightning protection element 3 and the piezoresistor 4 are connected in series to form a piezoresistor lightning protection system and then connected in parallel to the input end of the high-voltage divider 2 with leakage protection.

In practical use, the model of the selectable intermediate relay is JZX-22F (D)/2Z 220V, the model of the high-breaking circuit with the leakage protection is DZ47LE-32, the model of the switching power supply is MS-50-24, and the model of the electromagnetic relay is SHA-T90.

Before use, the sliding resistor is adjusted to ensure that the device keeps higher sensitivity, automatic tripping is avoided, and a buzzer is not burnt. In the normal working process, the switch of the high-voltage circuit breaker 2 with the leakage protection is firstly closed, the intermediate relay 1 is switched on and is electrified to be attracted, the normally closed contact 7 of the intermediate relay is switched off, the buzzer is in the non-working state, and the electromagnetic relay 13 is connected in parallel with the output end of the switching power supply 12, so that the electromagnetic relay is electrified to be attracted as long as the switching power supply is electrified, the normally open contact 6 of the electromagnetic relay is closed, the LED indicating lamp is in the switching-on state, the socket is in the working state, and the electric equipment inserted into the socket 11 is in the normal running state;

when the electric equipment breaks down, the high-breaking circuit breaker 2 with the leakage protection is tripped and disconnected under the condition that the faults are not eliminated, the sliding resistor, the buzzer and the normally closed contact 7 of the intermediate relay are in a connected state, the buzzer 10 sounds, the normally open contact 6 of the electromagnetic relay is closed at the moment, and the LED indicator lamp is in a connected state, so that the electric equipment breaks down, and the high-breaking circuit breaker cannot be forcibly pushed, so that the damage of the electric equipment is reduced, and the dangerous condition is avoided;

when the electric equipment is in fault, the high-voltage breaker 2 with the leakage protection is tripped and disconnected, or when the electric equipment is normal, the high-voltage breaker with the leakage protection is in a closing state, the sliding resistor, the buzzer and the intermediate relay normally-closed contact 7 are in a normal connection state, the buzzer does not sound, the LED indicator lamp does not light, and at the moment, the power supply is in a power-off state, so that the problem is solved by electric engineering personnel in a targeted manner;

the lightning protection element 3 and the piezoresistor 4 are connected in series to form a piezoresistor lightning protection system and then connected in parallel to the input end of the high-voltage divider 2 with leakage protection, when the lightning is stimulated by strong current, the lightning protection element is short-circuited to form a loop, and the high-voltage divider with leakage protection cuts off a power supply instantly, so that electric equipment is protected.

The embodiment of the utility model adopts a reasonable technical scheme, is practical, has low cost, simple circuit and stable and reliable performance; the socket device for automatically protecting the electric equipment has the functions of overload, overvoltage, overcurrent and short circuit, low power consumption and high efficiency, is provided with the piezoresistor lightning protection system and also has the lightning protection function, can normally work in thunderstorm days, reduces the welding process during assembly and increases the stability and the reliability of the electric equipment because the AC 220V with the model of MS-50-24 is converted into the DC 24V switching power supply module.

The above description is only for the preferred embodiment of the present invention, and the above specific embodiments are not intended to limit the present invention, and any decoration, modification or equivalent replacement made by those skilled in the art according to the above description all belong to the protection scope of the present invention.

Claims

1. The utility model provides a can automatic protect consumer's socket device, includes socket ontology, auxiliary relay, takes earth leakage protection's high section divider, switching power supply, relay, LED pilot lamp, adjusting resistance, sliding resistor, bee calling organ, piezo-resistor and lightning protection component, its characterized in that: the coil of the intermediate relay is connected with the output end of the high-breaking circuit breaker, the high-breaking circuit breaker is connected in parallel in a power circuit, the switching power supply is connected in parallel with the input end of the high-breaking circuit breaker, the electromagnetic relay is connected in parallel with the direct-current output end of the switching power supply, the LED indicator lamp is connected in series with the normally open contact of the electromagnetic relay and then connected in parallel with the output end of the switching power supply, the sliding resistor, the buzzer and the normally closed contact of the intermediate relay are connected in series and then connected in parallel with the output end of the switching power supply, and the lightning protection element and the piezoresistor are connected in series to form a.

2. The outlet device capable of automatically protecting an electric device according to claim 1, wherein: the model of the intermediate relay is JZX-22F (D)/2Z 220V.

3. The outlet device capable of automatically protecting an electric device according to claim 1, wherein: the high-breaking-point circuit with the leakage protection is DZ47 LE-32.

4. The outlet device capable of automatically protecting an electric device according to claim 1, wherein: the model of the switching power supply is MS-50-24.

5. The outlet device capable of automatically protecting an electric device according to claim 1, wherein: the relay is SHA-T90.

6. The outlet device capable of automatically protecting an electric device according to claim 1, wherein: and an adjusting resistor is connected between the LED indicator lamp and the normally open contact of the electromagnetic relay.

7. The outlet device capable of automatically protecting an electric device according to claim 1, wherein: the LED indicator light is connected with the adjusting resistor and then is connected with the normally open contact of the relay in series.