CN210074513U - Distribution box with ignition power-off device - Google Patents

Abstract

The utility model relates to a block terminal of outage device catches fire in area, the power distribution box comprises a box body, and locate the internal working circuit of box, main control unit, the working circuit is including connecing in the inlet wire of inlet wire end master control switch and connecting in a plurality of load circuit breakers of load end input side, still be equipped with the outage device that catches fire in the box, the outage device that catches fire is including the detector that catches fire and the outage control unit of integrated in main control unit that is used for detecting the condition of a fire, outage control unit and the detector electric connection that catches fire, outage control unit is connected with the inlet wire master control switch, outage control unit drives the disconnection of the inlet wire master control switch in order to cut off inlet wire end power output when. Realize the block terminal condition of a fire and detect to cut off load end and main inlet wire end and cut off when the condition of a fire appears, have safe and reliable's advantage of using.

Description

Distribution box with ignition power-off device

Technical Field

The utility model relates to a block terminal.

Background

The distribution box is formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement, and a circuit can be switched on or switched off by a manual or automatic switch in normal operation. The distribution box has the characteristics of small volume, simple and convenient installation, special technical performance, fixed position, unique configuration function, no field limitation, universal application, stable and reliable operation, high space utilization rate, less occupied area and environmental protection effect.

A large number of electrical equipment are assembled in the distribution box, and during the use, due to various factors, the distribution box can catch fire, when the distribution box catches fire, the three-phase power input end still exists and is electrically connected with the electrical equipment, and the power output is unstable under the condition that the distribution box catches fire, so that the equipment connected to a load end is easily damaged.

Disclosure of Invention

The utility model discloses the invention purpose: for overcoming the defect that prior art exists, the utility model provides a detect the condition of a fire to cut off the block terminal of taking the fire outage device that load end and main inlet wire end cut off when the condition of a fire appears.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a block terminal of outage device catches fire in area, includes the box to and locate work circuit, main control unit in the box, work circuit is including connecing in the total control switch of inlet wire end and connecting in a plurality of load circuit breakers of load end input side, its characterized in that: the box in still be equipped with the outage device that catches fire, the outage device that catches fire including the detector that catches fire that is used for detecting the condition of a fire and the outage the control unit of integration in main control unit, outage the control unit with catch fire detector electric connection, the control switch is always controlled with the inlet wire to be connected to outage the control unit, outage the control unit drive the main control switch disconnection of inlet wire in order to cut off inlet wire end power output when acquireing the signal that catches fire of the detector.

Through adopting above-mentioned technical scheme, when the detector that catches fire detected the condition of a fire to appear in the block terminal, to outage the control unit output condition of a fire signal, outage the control unit control incoming wire master control switch disconnection to cut off the power that the inlet wire end got into, realize connecing in the consumer of load end and the whole cutting-offs of the power of inlet wire end, power-off protection when realizing equipment catches fire.

Preferably, the box is including the box body in area assembly chamber, and the assembly accent pivot of box body is equipped with the chamber door, the assembly intracavity of box body in concave being equipped with the shrouding, the shrouding will assemble the chamber and separate into assembly chamber main part and be located the operation chamber of assembly accent department, the operation part that has the confession inlet wire master control switch and load circuit breaker on the shrouding reveals the fenestra in the operation intracavity, the detector that catches fire is located the assembly intracavity. With the structural design, the door of the box is opened, the operation cavity can be seen, and the operation in daily use is convenient; the electric component is sealed by the shrouding after the installation and is assembled in the chamber main part to form the operation chamber that supplies corresponding electric operation part to show, thereby reach better isolation effect, not only more safe, pleasing to the eye, have better fire prevention isolation effect moreover.

Preferably, still including emergent indicating device, emergent indicating device includes emergency light, battery and booster, the battery is connected on the inlet wire end through charging circuit, and the battery sets up in the working circuit with the mode that floats to charge, and the booster is connected to the battery output, and the emergency light is connected to the booster output, the top position in operation chamber is located to the emergency light to main control unit drive booster starts in order to realize the battery to supply power to the emergency light when the working circuit breaks. Under this structural design, establish emergency light in the operation chamber, realize emergency lighting in to the control box, have indicative function simultaneously.

Preferably, the fire detector comprises a smoke sensor. Under this structural design, the short circuit that catches fire in the block terminal produces the flue gas and detects to reach and catch fire the detection.

Preferably, a display device for displaying the output voltage and current of the load end is further arranged in the distribution box. Under this structural design, realize voltage current demonstration, the load end power consumption condition of audio-visual observation.

The present invention will be further described with reference to the accompanying drawings.

Drawings

Fig. 1 is a diagram showing an opened state of a door of a distribution box with a fire power-off device according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the internal structure of the assembly chamber of the distribution box with an ignition power-off device according to the embodiment of the present invention;

FIG. 3 is a schematic block diagram of an embodiment of the present invention with an emergency indication device;

fig. 4 is a schematic block diagram of a lighting device according to an embodiment of the present invention.

Detailed Description

See attached drawing 1~2, the utility model discloses a block terminal of outage device catches fire in area, including box 1 to and locate working circuit in box 1, main control unit 2, working circuit is including connecing in the inlet wire of inlet wire end master control switch 3 and connecting in a plurality of load circuit breaker 4 of load end input side, and corresponding electrical component can be assembled as required to the working circuit in the block terminal, and it is the conventional technique in this field, and not the utility model discloses improve the technique, the event is no longer repeated, box 1 in still be equipped with the outage device that catches fire, the outage device including the detector 5 that catches fire that is used for detecting the condition of a fire and the outage the control unit 21 of integrated in main control unit 2, outage control unit 21 with catch fire 5 electric connection of detector, outage control unit 21 is connected with inlet wire master control switch 3, outage control unit 21 drives 3 disconnection of inlet wire end master control switch when acquireing the signal that catches fire of detector 5 and cuts off fire and advance And (6) outputting. When the fire detector detects that a fire occurs in the distribution box, a fire signal is output to the power-off control unit, and the power-off control unit controls the incoming line master control switch to be switched off, so that a power supply entering from the incoming line end is cut off, all the power supplies of electric equipment connected to the load end and the incoming line end are cut off, and power-off protection is realized when the equipment catches fire. Wherein the fire detector may be a smoke sensor. The short circuit that catches fire in the block terminal produces the flue gas and detects to reach and catch fire and detect.

In the specific embodiment, the box body 1 comprises a box body 1-1 with an assembly cavity, a box door 1-2 is pivoted at an assembly cavity opening of the box body 1-1, a sealing plate 1-3 is concavely arranged in the assembly cavity of the box body 1-1, the sealing plate 1-3 is fastened in the box body 1-1 through screws, an installation ear 1-11 is arranged on the box body 1-1, the sealing plate 1-3 is supported on the installation ear 1-11 and fastened through screws, the assembly cavity is divided into an assembly cavity main body and an operation cavity 11 located at the assembly cavity opening by the sealing plate 1-3, an aperture hole 1-31 for exposing an operation part of the inlet wire master control switch 3 and the load circuit breaker 4 in the operation cavity is arranged on the sealing plate 1-3, and the ignition detector 5 is arranged in the assembly cavity. The door of the box is opened, and the operation cavity can be seen, so that the operation in daily use is convenient; the electric component is sealed by the shrouding after the installation and is assembled in the chamber main part to form the operation chamber that supplies corresponding electric operation part to show, thereby reach better isolation effect, not only more safe, pleasing to the eye, have better fire prevention isolation effect moreover.

As shown in fig. 3, an emergency indicating device is also included, which comprises an emergency lamp, a storage battery 6 and a booster 7, the storage battery 6 is connected to the wire inlet end through a charging circuit, the storage battery 6 is arranged in the working circuit in a floating charging mode, float charging is a power supply (discharge) operation mode of the storage battery pack, the system connects the storage battery pack and a power line to a load circuit in parallel, the voltage of the system is approximately constant and is only slightly higher than the terminal voltage of the storage battery pack, the loss of local action of the storage battery pack is compensated by a small amount of current supplied by the power line, so that it can be constantly maintained in a state of charge satisfaction without overcharging, the output of the accumulator 6 is connected to the booster 7, the output of the booster 7 is connected to the emergency lamp, which is arranged in the top position of the operating chamber, and when the working circuit is disconnected, the main controller 2 drives the booster 7 to start so as to supply power to the emergency lamp by the storage battery 6. Establish emergency light in the operation intracavity, realize the emergency lighting to the control box in, have outage indicative function simultaneously.

The emergency indicating device can be replaced with an illumination device as needed, as shown in fig. 4, the illumination device includes an illumination lamp 8, a storage battery 6, a booster 7 and a micro switch 81, the storage battery 6 is connected to the wire inlet end through a charging circuit, the storage battery 6 is arranged in the working circuit in a floating charging mode, the output end of the storage battery 6 is connected with the booster 7, the output end of the storage battery 6 is connected with the booster 7 through the microswitch 81, the output end of the booster 7 is connected with the illuminating lamp 8, the illuminating lamp 8 is arranged at the top position of the operation cavity, the button of the microswitch 81 is positioned in the operation cavity, the microswitch 81 is a normally open switch, when the box door 1-2 is closed, the box door 1-2 touches and presses a button of the microswitch 81 to realize the disconnection of the microswitch 81, the box door 1-2 is opened, and the microswitch 81 is released to realize the closing of the microswitch 81 and the starting of the booster 7 so as to realize the power supply of the storage battery to the illuminating lamp. The box door 1-2 comprises a door plate 1-21, the door plate 1-21 is provided with a surrounding edge 1-22 protruding inwards, the surrounding edges 1-22 at the upper end and the lower end are pivoted in the box body 1-1 through a pivot, and a button of the microswitch 81 is correspondingly matched with the surrounding edges 1-22 of the box door 1-2. Under this structural design, the contained edge makes the sealing performance when chamber door is closed better, and the convenient button to micro-gap switch touches the pressure fit simultaneously.

For more convenient use, a display device 9 for displaying the output voltage and current of the load end is further arranged in the distribution box. And voltage and current display is realized, and the power utilization condition of a load end is observed visually.

Claims (7)

1. The utility model provides a block terminal of outage device catches fire in area, includes the box to and locate work circuit, main control unit in the box, work circuit is including connecing in the total control switch of inlet wire end and connecting in a plurality of load circuit breakers of load end input side, its characterized in that: the box in still be equipped with the outage device that catches fire, the outage device that catches fire including the detector that catches fire that is used for detecting the condition of a fire and the outage the control unit of integration in main control unit, outage the control unit with catch fire detector electric connection, the control switch is always controlled with the inlet wire to be connected to outage the control unit, outage the control unit drive the main control switch disconnection of inlet wire in order to cut off inlet wire end power output when acquireing the signal that catches fire of the detector.

2. The distribution box with a fire power-off device according to claim 1, characterized in that: the box is including the box body in area assembly chamber, and the assembly accent pivot of box body is equipped with the chamber door, the assembly intracavity of box body in concave being equipped with the shrouding, the shrouding will assemble the chamber and separate into assembly chamber main part and be located the operation chamber of assembly accent department, the operation part that has on the shrouding and supply inlet wire master control switch and load circuit breaker reveals the fenestra in the operation intracavity, the assembly intracavity is located to the detector that catches fire.

3. The distribution box with a fire power-off device according to claim 2, wherein: still including emergent indicating device, emergent indicating device includes emergency light, battery and booster, the battery is connected on the inlet wire end through charging circuit, and the battery sets up in the working circuit with the mode that floats to fill, and the booster is connected to the battery output, and the emergency light is connected to the booster output, the top position in operation chamber is located to the emergency light to main control unit drive booster starts in order to realize the battery to supply power to the emergency light when the working circuit disconnection.

4. The distribution box with a fire power-off device according to claim 2, wherein: still including lighting device, lighting device includes light, battery, step-up transformer and micro-gap switch, the battery is connected on the inlet wire end through charging circuit, and the battery sets up in the working circuit with the mode of floating charge, and the step-up transformer is connected to the battery output, and the output of battery connects the step-up transformer through micro-gap switch, and the light is connected to the step-up transformer output, and the top position in operation chamber is located to the light, micro-gap switch's button is located the operation intracavity, and micro-gap switch is normally open switch, and the chamber door touches the button that presses micro-gap switch when the chamber door is closed and realizes the micro-gap switch disconnection, opens the chamber door, and release micro-gap switch.

5. The distribution box with a fire power-off device according to claim 4, wherein: the box door comprises a door plate, the door plate is internally provided with a surrounding edge in a protruding mode, the surrounding edges positioned at the upper end and the lower end are pivoted in the box body through a pivot, and a button of the micro switch is correspondingly matched with the surrounding edge of the box door.

6. The distribution box with a fire power-off device according to claim 1, characterized in that: the fire detector includes a smoke sensor.

7. The distribution box with a fire power-off device according to claim 1, characterized in that: and a display device for displaying the output voltage and current of the load end is also arranged in the distribution box.

Images