CN217327782U

CN217327782U - Smoke exhaust fan control box

Info

Publication number: CN217327782U
Application number: CN202220408834.6U
Authority: CN
Inventors: 李大顺; 蓝善田
Original assignee: Guangdong Qiaohui Electric Technology Co ltd
Current assignee: Guangdong Qiaohui Electric Technology Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-08-30
Anticipated expiration: 2032-02-28

Abstract

The utility model discloses a smoke exhaust fan control box, including the control box casing, with set up the incoming line on the control box casing to and the chamber door of activity round pin joint on the control box casing, be equipped with dual power change over switch, fuse and electric leakage circuit breaker in the control box casing, with two plastic casing circuit breakers, and a plurality of binding post, the plastic casing circuit breaker passes through the bolt fastening on the control box casing, the fuse is connected with auxiliary relay through the wire, still be equipped with a plurality of pilot lamp on the control chamber door. When a fire disaster occurs to the smoke exhaust fan control box, the control signal transmitted by the fire elimination system is received to start high-speed operation, and meanwhile, the low-speed control loop is automatically cut off, so that the effect of rapid smoke exhaust and ventilation is achieved, and a dual-power supply mode is adopted, so that dense smoke of life channels can not be evacuated due to the fact that the fire fan cannot be started in a fire disaster power failure mode is prevented.

Description

Smoke exhaust fan control box

Technical Field

The utility model relates to a control box technical field specifically is a smoke exhaust fan control box.

Background

As a modern energy source, electricity utilization in the power industry becomes an indispensable resource in human life, and plays a very important role in national construction, civil engineering, resident life and other aspects. The dual-power-supply-controlled smoke exhaust fan box is widely applied to industrial production, is generally linked with other fire-fighting electrical control devices (a fire-fighting inspection cabinet, a fire-fighting emergency mechanical starting cabinet and the like), is widely applied to industrial and mining enterprises, large buildings such as high-rise buildings and the like, and shopping malls, hotels, airport stations, ports, schools and other numerous public places such as staff, and is also applied to closed public places such as subway tunnels and the like to carry out fire-fighting smoke exhaust, positive-pressure air supply and air exhaust automatic fire-fighting and air-conditioning system devices. The fire-fighting fan box has a double-power-supply mutual-throw function, can be remotely and automatically controlled, is externally connected with a fire-fighting control system and an intelligent control system, and simultaneously feeds back a fan running state signal. Under the premise of modern industrial automation and high development of urban and rural construction, the power demand is increasing day by day, and the supply-demand relationship and the convenience in industrial production are receiving attention of people day by day, so that the control box of the smoke exhaust fan is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a smoke exhaust fan control box to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a smoke exhaust fan control box, includes the control box casing, with set up the incoming line on the control box casing to and the chamber door of activity round pin joint on the control box casing, be equipped with dual power supply change over switch, fuse and electric leakage circuit breaker in the control box casing, with two plastic casing circuit breakers, and a plurality of binding post, the plastic casing circuit breaker passes through the bolt fastening in the control box casing, the fuse is connected with auxiliary relay through the wire, still be equipped with a plurality of pilot lamp on the control box door.

Preferably, the dual power supply changeover switch is electrically connected with a current-voltage sensor in parallel.

Preferably, the dual power supply change-over switch is also electrically connected with a low-voltage control switch and 5 leakage switches.

The utility model provides a smoke exhaust fan control box, still includes secondary circuit, secondary circuit includes live wire L1, zero line N and stop button STR1 on the spot, stop button STR1 on the spot electricity and connect start button STG1, switch KBO and momentary relay KA6 on the spot, start button STG1 on the spot is electrically connected with fire prevention valve and fan operation pilot lamp HG to insert zero line N.

Preferably, a lead wire led out from the live wire L1 is also electrically connected with an instantaneous relay KA2, and the instantaneous relay KA2 is electrically connected with a local start button STG2 and an overload indicator lamp HY, and two instantaneous relays KA 3.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the fire-fighting fan control box can be remotely and automatically controlled, is externally connected with a fire-fighting control system and an intelligent control system, and simultaneously feeds back a fan running state signal; under the smokeless state, the fan is in a stop state; when a fire disaster happens, the intelligent control system receives an alarm signal and starts to send an instruction signal to the smoke exhaust fan box, and the smoke exhaust fan starts to work to achieve the effects of smoke exhaust and ventilation; adopt dual power supply mode, prevent to start the fire control fan and can't evacuate the dense cigarette of life passageway because of the conflagration outage.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the distribution structure of the indicator light of the present invention;

FIG. 3 is a schematic diagram of the dual power control part of the present invention;

fig. 4 is a schematic diagram of the control and protection switch control circuit of the present invention.

In the figure: 1. a control box housing; 2. a box door; 3. a dual power transfer switch; 4. a plastic case circuit breaker; 5. a wiring terminal; 6. a fuse; 7. an intermediate relay; 8. an earth leakage breaker.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Embodiment 1

As shown in fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides a smoke exhaust fan control box, including control box casing 1, with set up the incoming line on control box casing 1, and movable pin joint chamber door 2 on control box casing 1, be equipped with dual power change over switch 3 in the control box casing 1, fuse 6 and leakage circuit breaker 8, with two plastic casing circuit breakers 4, and a plurality of binding post 5, plastic casing circuit breaker 4 passes through the bolt fastening on control box casing 1, fuse 6 is connected with auxiliary relay 7 through the wire, still be equipped with a plurality of pilot lamp on the control chamber door 2.

Example two

The scheme in the first embodiment is further described in the following with reference to specific working modes, which are described in detail in the following:

as shown in fig. 3, as a preferred embodiment, based on the above-mentioned manner, further, a control box of a smoke exhaust fan further comprises a dual power switch 3, the dual power switch 3 is electrically connected in parallel with a current and voltage sensor, the dual power switch 3 is also electrically connected with a low voltage control switch, and 5 leakage switches, wherein the leakage switch with model number JK65-63/1PC10A is connected with a lighting circuit, the leakage switch with model number JK65LE-63/2PC16A is connected with a socket, the low voltage control switch with model number RDCPS1-45C/M45/06MF is respectively connected with a module box, a fire protection linkage controller, a manual control panel and a fire protection valve, the leakage switch with model number JK65-63/3PC16A is connected with a fire protection rolling curtain, and a leakage switch with model number JK65-63/3PC16A is reserved, the leakage switch with the model number of JK65-63/4PC50A is connected with a low-voltage surge protector with the model number of FMY1-50KA/4P (10/350 us).

As shown in fig. 4, as a preferred embodiment, based on the above mode, further, a control box of a smoke exhaust fan, further comprises a secondary loop circuit, the secondary loop circuit comprises a live line L1, a zero line N and a stop-in-place button STR1, the stop-in-place button STR1 is electrically connected with a start-in-place button STG1 and a switch KBO, the start-in-place button STG1 is electrically connected with a fire damper and a fan operation indicator lamp HG, and is connected with the zero line N; the lead wire led out from the live wire L1 is also electrically connected with an overload test button STW and an instantaneous relay KA2, the instantaneous relay KA2 is electrically connected with an overload indicator lamp HY, an instantaneous relay KA3 and a sound release alarm button STG2, and the instantaneous relay KA3 is electrically connected with a buzzer. Wherein 109, 111 on the lead wire led out from an L1 live wire are fire-proof valve contacts, 135, 137, 139 are fire-fighting linkage controller manual control panel contacts, 141, 143 are fire-fighting DC24V control contacts, 145, 147, 149, 151 are fan starting or stopping signal return contacts, 153, 155 are overload signal returns, 127, 129, 131, 133 are change-over switch gear return signal contacts.

The working principle of the smoke exhaust fan control box is as follows: when a master switch SAC is in a manual state, 127 and 129 return switch state signals to a fire control center, in the state, a local stop button STR1 is closed, a switch KBO starts automatic control operation, a smoke exhaust fan starts to work, an operation signal lamp HG is lightened, and 145 and 147 return signals that the fan is in an operation state; when the master switch SAC is in a stop state, all the equipment are in a stop state, the fan stops working, and 149 and 151 return signals that the fan is in the stop state;

when the master control switch SAC is in an automatic state, 131 and 133 return switch state signals to a fire control center, and a manual control panel of the fire protection linkage controller receives instructions from a fire protection system to act; when the control panel receives a starting signal of a fire extinguishing system, the KA4 instantaneous relay starts to work, the instantaneous relay KA6 electrically connected with the instantaneous relay KA4 starts to work, the switch KBO starts to operate, the smoke exhaust fan starts to operate, the operation signal lamp HG is lightened, and the 145 and 147 return signals that the fan is in an operation state; when the control panel receives a starting signal of a fire extinguishing system, the KA5 momentary relay starts to work, the KA6 momentary relay stops working due to power loss, the switch KBO stops running, the smoke exhaust fan stops working, and 149 and 151 return signals that the fan is in a stop state;

the fire-fighting center can also directly control the KA1 instantaneous relay to act through the DC24V voltage, a switch KBO electrically connected with the instantaneous relay KA6 starts to operate, and the smoke exhaust fan starts to work; no matter the SAC change-over switch is in a manual state or an automatic state, when the fan runs in an overload state, the KA2 instantaneous relay acts, 153 and 155 return overload fire-fighting signals, an HY overload indicating lamp electrically connected with the KA2 instantaneous electric appliance is turned on at the moment, the HA buzzer gives out sound alarm reminding, and the long-time sounding of the buzzer can be cancelled through the STG2 sound alarm release button on the spot.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a smoke exhaust fan control box, includes control box casing (1), with offer the incoming line mouth on control box casing (1) to and chamber door (2) of activity pin joint on control box casing (1), its characterized in that: be equipped with dual supply change over switch (3), fuse (6) and earth leakage circuit breaker (8) in control box casing (1), with two plastic casing circuit breakers (4) to and a plurality of binding post (5), plastic casing circuit breaker (4) are through the bolt fastening in control box casing (1), fuse (6) are connected with auxiliary relay (7) through the wire, still be equipped with a plurality of pilot lamp on control box door (2).

2. The control box of the smoke exhaust fan according to claim 1, characterized in that: the dual-power-supply switch (3) is electrically connected with a current-voltage sensor in parallel.

3. The control box of the smoke exhaust fan according to claim 1, characterized in that: the double-power-supply change-over switch (3) is also electrically connected with a low-voltage control switch and 5 leakage switches.

4. The control box of claim 1 further comprising a secondary loop circuit comprising live L1, neutral N and stop-in-place button STR1, stop-in-place button STR1 electrically connected to start-in-place button STG1, switch KBO and momentary relay KA6, start-in-place button STG1 electrically connected to fire damper and fan run indicator HG and connected to neutral N.

5. The control box of the smoke exhaust fan of claim 4, characterized in that: the lead wire that live wire L1 draws is still electrically connected with instantaneous relay KA2, instantaneous relay KA2 is electrically connected with start-in-place button STG2 and overload indicator HY, and two instantaneous relays KA 3.