CN212202579U

CN212202579U - Intelligent control system for fire-fighting fan

Info

Publication number: CN212202579U
Application number: CN202020887097.3U
Authority: CN
Inventors: 左叶兵; 吴翰文
Original assignee: Guangzhou Pengsheng Electrical Appliance And Equipment Co ltd
Current assignee: Guangzhou Pengsheng Electrical Appliance And Equipment Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-12-22
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses an intelligent control system of a fire-fighting fan, which comprises a fire-fighting control module, a contactor and a TC terminal; the fire control module is connected with the contactor through a wire; the contactor is connected with the TC terminal through a lead; the TC terminal is connected with the fire-fighting fan through a lead; the fire control module comprises a CPU control unit, a fire control input signal and alternating current input signal unit, a power supply conversion unit and a fire control alarm output unit; the fire-fighting input signal and alternating current input signal unit is used for sending a fire-fighting signal to the CPU control unit; the CPU control unit processes the fire-fighting signal and then sends a control signal to the contactor to control the start or stop of the fire-fighting fan; the utility model discloses a set up fire control module and can be in real time monitoring state, when the condition of a fire appears, start the fire control fan rapidly, in time with the smog discharge that produces during the conflagration, avoid causing casualties of personnel, the loss of equipment, property.

Description

Intelligent control system for fire-fighting fan

Technical Field

The utility model relates to a fire control technical field, especially are a fire control fan intelligence control system.

Background

The fire-fighting fan is an industrial fan which can continuously run for more than 60 minutes at the high temperature of 300 ℃ and can not be damaged for 20 hours/time at the temperature of 100 ℃; when a fire disaster occurs, the fire-fighting fan needs to be started in time to discharge smoke generated in the fire disaster in time; however, along with the occurrence and spread of fire, the existing fire-fighting linkage control system often cannot control the fire-fighting fan to work in time to discharge smoke, so that the mechanical smoke-proof and smoke-discharging system fails, and casualties, equipment and property loss are caused.

The intelligent control module of the fire-fighting fan is also called an input/output module (hereinafter referred to as a module) and meets the requirements of the latest national standard GB16806-2006 fire-fighting linkage control system. The fire-fighting fan linkage control system is an important component of a fire-fighting fan linkage control system and is used for connecting external equipment such as a smoke exhaust valve, an air supply valve, a fire prevention valve, electromechanical equipment and the like in an automatic fire alarm system. The module is provided with a plurality of pairs of normally open contacts and normally closed contacts, the contacts on the module are connected with an external circuit to realize linkage control of external equipment, the passive fire fighting equipment with action signal output is connected to a bus through the module, and an intelligent control system of the fire fighting fan is required to be provided, so that a linkage instruction of a controller can be transmitted to controlled equipment, and then action feedback signals of the controlled equipment are sent back to the controller; the fire-fighting fan can be started in time, smoke generated in the fire disaster can be discharged in time, and casualties, equipment and property loss caused by the casualties are avoided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fire control fan intelligence control system can be in the real time monitoring state through setting up fire control module, when the condition of a fire appears, starts the fire control fan rapidly, in time with the smog discharge that produces during the conflagration, avoids causing the casualties of personnel, the loss of equipment, property.

The utility model discloses a following technical scheme realizes:

an intelligent control system of a fire-fighting fan comprises a fire-fighting control module, a contactor and a TC terminal; the fire control module is connected with the contactor through a wire; the contactor is connected with the TC terminal through a lead; the TC terminal is connected with the fire-fighting fan through a lead; the fire control module comprises a CPU control unit, a fire control input signal and alternating current input signal unit, a power supply conversion unit and a fire control alarm output unit; the fire-fighting input signal and alternating current input signal unit is used for sending a fire-fighting signal to the CPU control unit; the CPU control unit processes the fire-fighting signal and then sends a control signal to the contactor to control the start or stop of the fire-fighting fan; the CPU control unit is respectively and electrically connected with the fire alarm output unit and the power supply conversion unit; the fire alarm output unit is used for outputting fire alarm signals; the power supply conversion unit is used for providing stable power supply for the CPU control unit.

Further, the CPU control unit comprises a singlechip; the single chip microcomputer mainly comprises an LPC1768 chip and a peripheral circuit of the LPC1768 chip.

Further, the fire fighting control module also comprises a main panel; an upper row of wiring terminals and a lower row of wiring terminals connected with the single chip microcomputer are respectively arranged on the main panel; the upper row of wiring terminals comprise three-phase voltage signal input wiring terminals, three-phase current signal input wiring terminals, fan fault indication output wiring terminals, fire-fighting linkage indication output wiring terminals, fan starting indication output wiring terminals, fan operation indication output wiring terminals, automatic state indication output wiring terminals, common point output wiring terminals, fire-proof valve signal input wiring terminals, automatic state signal input wiring terminals, fan starting feedback input wiring terminals, fire-fighting linkage signal input wiring terminals, button stop signal input wiring terminals, fan operation feedback input wiring terminals and fan simulation fault input wiring terminals.

Further, the lower row of wiring terminals comprise a fire-fighting linkage buzzing output wiring terminal, an automatic state feedback output wiring terminal, a system operation feedback output terminal, a fan linkage feedback output wiring terminal, a fan starting feedback output wiring terminal, a fault signal feedback output wiring terminal, a module fault forced start output wiring terminal, a fan control output wiring terminal, a system start-stop signal input wiring terminal, a fire-fighting linkage start-stop signal input wiring terminal, a fire-fighting center start-stop signal input wiring terminal and a fan operation dry contact output wiring terminal.

Further, the contactor is connected with the TC terminal through a mutual inductor and a lead.

Further, the fire control module is connected with the contactor through a relay.

Further, the fire alarm output unit includes a fire alarm output circuit; the fire alarm output circuit is mainly composed of a TLP521 chip and peripheral circuits of the TLP521 chip.

Furthermore, the fire-fighting input signal and alternating current input signal unit comprises a fire-fighting input signal and alternating current input signal circuit; the fire protection input signal and alternating current input signal circuit is mainly composed of a TLP521-1 chip and peripheral circuits of the TLP521-1 chip.

Further, the power conversion unit includes a power conversion circuit; the power supply conversion circuit mainly comprises an LM2576S-5.0 chip, an AMS1117-3.3 chip, a peripheral circuit of the LM2576S-5.0 chip and a peripheral circuit of the AMS1117-3.3 chip.

Further, the fire-fighting control module is connected with an external power supply through a molded case circuit breaker; the contactor is connected with the TC terminal through a surge protector.

The utility model has the advantages that:

the utility model discloses a fire control module is in monitoring state or in ventilation standby state at ordinary times, when the condition of a fire appears, can send the fire control signal by fire control module or send the fire control signal by fire control monitoring center, and fire control module starts the fire control fan through control contactor, in time discharges the smog that produces when the conflagration, avoids causing the casualties of personnel, the loss of equipment, property; further ensuring the life safety of people. The fire control module adopts a singlechip with a chip of LPC1768, and has strong analysis and judgment capability; the fire control box can automatically detect control lines (open circuit, short circuit) and feedback lines (open circuit, short circuit) connected with controlled equipment through an operation program solidified in the fire control box, and gives state indication through an indicator lamp and a signal terminal. Through setting up the mutual-inductor, can carry out the accurate detection to the electric current when the fire control fan starts the operation, prevent that the overload phenomenon from appearing in the fire control fan.

Drawings

FIG. 1 is a schematic view of the fire fighting control module of the present invention;

FIG. 2 is a schematic view of a part of the fire-fighting control module of the present invention;

FIG. 3 is a schematic view of the control principle of the fire-fighting control module of the present invention;

FIG. 4 is a schematic view of the control flow of the fire-fighting control module of the present invention;

FIG. 5 is a circuit diagram of the single chip microcomputer of the present invention;

FIG. 6 is a peripheral circuit diagram of the LM2576S-5.0 chip of the power conversion circuit of the present invention;

FIG. 7 is a peripheral circuit diagram of the AMS1117-3.3 chip of the power conversion circuit of the present invention;

FIG. 8 is a peripheral circuit diagram of a TLP521-1 chip of the fire fighting input signal and AC input signal circuit of the present invention;

FIG. 9 is a peripheral circuit diagram of a TLP521-1 chip of the fire fighting input signal and AC input signal circuit of the present invention;

fig. 10 is a circuit diagram of the relay control output part of the present invention;

fig. 11 is a circuit diagram of the relay control output part of the present invention;

fig. 12 is a peripheral circuit diagram of a TLP521 chip of the fire alarm output circuit of the present invention.

In the drawings: 1-a fire control module; 2-a contactor; a 3-TC terminal; 4-molded case circuit breakers; 5-a surge protector; 6-fire-fighting fan.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, and the present invention will be described in detail with reference to the accompanying drawings and specific embodiments below according to the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, back, upper end, lower end, top, bottom … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the term "connected" is to be construed broadly, e.g., "connected" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature; in addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to 3, an intelligent control system for a fire fighting fan comprises a fire fighting control module 1, a contactor 2 and a TC terminal 3; the fire control module 1 is connected with the contactor 2 through a lead; the contactor 2 is connected with the TC terminal 3 through a lead; the TC terminal 3 is connected with a fire-fighting fan 6 through a lead; the fire control module 1 comprises a CPU control unit, a fire control input signal and alternating current input signal unit, a power supply conversion unit and a fire control alarm output unit; the fire-fighting input signal and alternating current input signal unit is used for sending a fire-fighting signal to the CPU control unit; the CPU control unit processes the fire-fighting signal and then sends a control signal to the contactor 2 to control the start or stop of the fire-fighting fan 6; the CPU control unit is respectively and electrically connected with the fire alarm output unit and the power supply conversion unit; the fire alarm output unit is used for outputting fire alarm signals; the power supply conversion unit is used for providing stable power supply for the CPU control unit.

It should be noted that the fire control module 1 is normally in a monitoring state or in a ventilation standby state, when a fire occurs, the fire control module 1 can send a fire signal or send a fire signal by a fire control monitoring center, the fire control module 1 starts the fire fan 6 by controlling the contactor 2, smoke generated during the fire is discharged in time, and casualties and equipment and property loss are avoided; further ensuring the life safety of people.

Specifically, in this embodiment, the CPU control unit includes a single chip microcomputer; the single chip microcomputer mainly comprises an LPC1768 chip and a peripheral circuit of the LPC1768 chip. It should be noted that, the single chip with excellent performance is adopted, and the analysis and judgment capability is strong. The fire control system can automatically detect control lines (open circuit, short circuit) and feedback lines (open circuit, short circuit) connected with controlled equipment through an operation program solidified in the fire control system, and gives state indication through an indicator light and a signal terminal.

Specifically, in this embodiment, the fire fighting control module 1 further includes a main panel; an upper row of wiring terminals and a lower row of wiring terminals connected with the single chip microcomputer are respectively arranged on the main panel; the upper row of wiring terminals comprise three-phase voltage signal input wiring terminals, three-phase current signal input wiring terminals, fan fault indication output wiring terminals, fire-fighting linkage indication output wiring terminals, fan starting indication output wiring terminals, fan operation indication output wiring terminals, automatic state indication output wiring terminals, common point output wiring terminals, fire-proof valve signal input wiring terminals, automatic state signal input wiring terminals, fan starting feedback input wiring terminals, fire-fighting linkage signal input wiring terminals, button stop signal input wiring terminals, fan operation feedback input wiring terminals and fan simulation fault input wiring terminals.

It should be noted that, by setting the three-phase voltage signal input connection terminal and the three-phase current signal input connection terminal, power supply phase loss detection, power supply phase sequence detection, power supply voltage value high-low detection and current detection can be respectively performed, so that the accuracy of various electrical parameters when the fire-fighting fan 6 is started and operated is ensured, and the fan can be normally started and in a smoke exhaust state; can give fire control module 1 with the signal transmission that the fire prevention valve detected through setting up fire prevention valve signal input binding post, when the condition of a fire appears, fire control module 1 can in time send the fire control signal for fire control fan 6, and fire control fan 6 starts rapidly, in time discharges the smog that the conflagration produced.

Specifically, in this embodiment, the lower row of connection terminals includes a fire-fighting linkage buzzer output connection terminal, an automatic state feedback output connection terminal, a system operation feedback output terminal, a fan linkage feedback output connection terminal, a fan start feedback output connection terminal, a fault signal feedback output connection terminal, a module fault forced start output connection terminal, a fan control output connection terminal, a system start/stop signal input connection terminal, a fire-fighting linkage start/stop signal input connection terminal, a fire-fighting center start/stop signal input connection terminal, and a fan operation dry contact output connection terminal. It should be noted that, a standardized modular structure is adopted, and the wiring terminals with multiple functions are integrated, so that the wiring of the system is simplified, the working efficiency is improved, and the later-stage equipment maintenance is facilitated.

Specifically, in this embodiment, the contactor 2 is connected to the TC terminal 3 through a transformer and a wire. It should be noted that, by arranging the mutual inductor, the current generated when the fire-fighting fan 6 is started can be accurately detected, and the overload phenomenon of the fire-fighting fan 6 is prevented.

Referring to fig. 10 and 11, in a specific embodiment, the fire fighting control module 1 is connected to the contactor 2 through a relay. It should be noted that the normally open and normally closed contacts of the contactor 2 are controlled by setting a relay to receive the fire-fighting signal sent by the fire-fighting control module 1, so as to further control the start and stop of the fire-fighting fan 6, and realize automatic control.

Referring to fig. 12, in this embodiment, in particular, the fire alarm output unit includes a fire alarm output circuit; the fire alarm output circuit is mainly composed of a TLP521 chip and peripheral circuits of the TLP521 chip.

Referring to fig. 8 and 9, in particular, in this embodiment, the fire fighting input signal and ac input signal unit includes a fire fighting input signal and ac input signal circuit; the fire protection input signal and alternating current input signal circuit is mainly composed of a TLP521-1 chip and peripheral circuits of the TLP521-1 chip.

Referring to fig. 6 and fig. 7, in this embodiment, specifically, the power conversion unit includes a power conversion circuit; the power supply conversion circuit mainly comprises an LM2576S-5.0 chip, an AMS1117-3.3 chip, a peripheral circuit of the LM2576S-5.0 chip and a peripheral circuit of the AMS1117-3.3 chip.

Specifically, in the scheme of this embodiment, the fire control module 1 is connected to an external power supply through a molded case circuit breaker 4; the contactor 2 is connected to the TC terminal 3 through a surge protector 5. It should be noted that by arranging the molded case circuit breaker 4, the current can be automatically cut off after the current exceeds the trip setting; when spike current or voltage is suddenly generated in an electric loop or a communication line due to external interference, the surge protector 5 can conduct and shunt in a very short time, so that damage of surge to other equipment in the loop is avoided.

The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.

Claims

1. The utility model provides a fire control fan intelligence control system which characterized in that: the fire-fighting control system comprises a fire-fighting control module, a contactor and a TC terminal; the fire control module is connected with the contactor through a wire; the contactor is connected with the TC terminal through a lead; the TC terminal is connected with the fire-fighting fan through a lead; the fire control module comprises a CPU control unit, a fire control input signal and alternating current input signal unit, a power supply conversion unit and a fire control alarm output unit; the fire-fighting input signal and alternating current input signal unit is used for sending a fire-fighting signal to the CPU control unit; the CPU control unit processes the fire-fighting signal and then sends a control signal to the contactor to control the start or stop of the fire-fighting fan; the CPU control unit is respectively and electrically connected with the fire alarm output unit and the power supply conversion unit; the fire alarm output unit is used for outputting fire alarm signals; the power supply conversion unit is used for providing stable power supply for the CPU control unit.

2. The intelligent control system of a fire fighting blower according to claim 1, characterized in that: the CPU control unit comprises a singlechip; the single chip microcomputer mainly comprises an LPC1768 chip and a peripheral circuit of the LPC1768 chip.

3. The intelligent control system of a fire fighting blower according to claim 2, characterized in that: the fire-fighting control module also comprises a main panel; an upper row of wiring terminals and a lower row of wiring terminals connected with the single chip microcomputer are respectively arranged on the main panel; the upper row of wiring terminals comprise three-phase voltage signal input wiring terminals, three-phase current signal input wiring terminals, fan fault indication output wiring terminals, fire-fighting linkage indication output wiring terminals, fan starting indication output wiring terminals, fan operation indication output wiring terminals, automatic state indication output wiring terminals, common point output wiring terminals, fire-proof valve signal input wiring terminals, automatic state signal input wiring terminals, fan starting feedback input wiring terminals, fire-fighting linkage signal input wiring terminals, button stop signal input wiring terminals, fan operation feedback input wiring terminals and fan simulation fault input wiring terminals.

4. The intelligent control system of a fire fighting blower according to claim 3, characterized in that: the lower row of wiring terminals comprise a fire-fighting linkage buzzing output wiring terminal, an automatic state feedback output wiring terminal, a system operation feedback output terminal, a fan linkage feedback output wiring terminal, a fan starting feedback output wiring terminal, a fault signal feedback output wiring terminal, a module fault forced start output wiring terminal, a fan control output wiring terminal, a system start-stop signal input wiring terminal, a fire-fighting linkage start-stop signal input wiring terminal, a fire-fighting center start-stop signal input wiring terminal and a fan operation dry contact output wiring terminal.

5. The intelligent control system of a fire fighting blower according to claim 1, characterized in that: the contactor is connected with the TC terminal through a mutual inductor and a lead.

6. The intelligent control system of a fire fighting blower according to claim 1, characterized in that: the fire control module is connected with the contactor through a relay.

7. The intelligent control system of a fire fighting blower according to claim 2, characterized in that: the fire alarm output unit comprises a fire alarm output circuit; the fire alarm output circuit is mainly composed of a TLP521 chip and peripheral circuits of the TLP521 chip.

8. The intelligent control system of a fire fighting blower according to claim 2, characterized in that: the fire-fighting input signal and alternating current input signal unit comprises a fire-fighting input signal and alternating current input signal circuit; the fire protection input signal and alternating current input signal circuit is mainly composed of a TLP521-1 chip and peripheral circuits of the TLP521-1 chip.

9. The intelligent control system of a fire fighting blower according to claim 2, characterized in that: the power conversion unit comprises a power conversion circuit; the power supply conversion circuit mainly comprises an LM2576S-5.0 chip, an AMS1117-3.3 chip, a peripheral circuit of the LM2576S-5.0 chip and a peripheral circuit of the AMS1117-3.3 chip.

10. The intelligent control system of a fire fighting blower according to claim 1, characterized in that: the fire control module is connected with an external power supply through a molded case circuit breaker; the contactor is connected with the TC terminal through a surge protector.