CN112190850A - Indoor transformer fire-fighting system and control method thereof - Google Patents
Indoor transformer fire-fighting system and control method thereof Download PDFInfo
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- CN112190850A CN112190850A CN202010421060.6A CN202010421060A CN112190850A CN 112190850 A CN112190850 A CN 112190850A CN 202010421060 A CN202010421060 A CN 202010421060A CN 112190850 A CN112190850 A CN 112190850A
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0018—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using gases or vapours that do not support combustion, e.g. steam, carbon dioxide
- A62C99/0027—Carbon dioxide extinguishers
Abstract
The invention provides an indoor transformer fire-fighting system and a control method thereof, wherein a transformer comprises a relay protector, the indoor transformer fire-fighting system comprises a controller, a carbon dioxide fire-extinguishing device, a temperature monitoring device and a smoke monitoring device, the carbon dioxide fire-extinguishing device comprises a liquid storage part for storing liquid carbon dioxide, a spraying assembly arranged on the liquid storage part and an electric control switch temperature monitoring device for controlling the opening and closing of a nozzle of the spraying assembly, the electric control switch temperature monitoring device is used for detecting the temperature of the transformer, the smoke sensing detection device is used for monitoring the indoor smoke concentration, the controller is electrically connected with the relay protector, the temperature monitoring device and the smoke monitoring device, and the controller is used for receiving signals sent by the relay protector, the temperature monitoring device and the smoke monitoring device and controlling the opening and closing of the electric control. The indoor transformer fire-fighting system can solve the problems in the prior art, and is simple in structure and better in fire-fighting effect.
Description
Technical Field
The invention relates to the technical field of transformer fire protection, in particular to an indoor transformer fire protection system and a control method thereof.
Background
The power safety is always a key problem in the operation of a power grid, so that the power equipment has corresponding relay protectors to protect the corresponding power equipment in the operation, namely, the fault state of the power equipment is identified by detecting electrical or non-electrical parameters such as current, voltage and the like of the power equipment, and the fault equipment is removed from the power grid. For example, when a transformer, which is a core device in a substation, fails, a relay protector operates to trip off switches on each side (usually three sides) of the transformer, thereby isolating the failed transformer.
With the development of power grids and the improvement of equipment, most of transformers in substations are converted from original outdoor configuration to indoor configuration at present. Once the transformer fails, an electrical fire accident is likely to happen, and the safety of power supply personnel is seriously threatened. Aiming at the situation, the existing indoor water mist fire fighting device starts fire extinguishing by spraying water mist to a transformer space configured indoors in a multi-angle mode, however, the mode needs to install a plurality of devices such as a large-capacity water storage tank, a water mist pump set, a controller and the like, the structure is complex, the cooling, insulating and suffocation effects of the water mist are limited, and the effect of fire fighting and fire extinguishing cannot be well achieved; moreover, the general indoor water mist fire fighting device usually controls the action of the device only through a temperature signal, so that the reliability is low, and the fire fighting effect is also influenced.
Disclosure of Invention
Based on the above situation, the present invention provides an indoor transformer fire fighting system and a control method thereof, so as to solve the above technical problems in the prior art and improve the fire fighting effect.
In order to achieve the above object, in one aspect, the invention adopts the following technical scheme:
an indoor transformer fire extinguishing system, the transformer includes relay protection ware, indoor transformer fire extinguishing system includes controller, carbon dioxide extinguishing device, temperature monitoring device and flue gas monitoring device, carbon dioxide extinguishing device is located the top of transformer, and installs on indoor lateral wall, carbon dioxide extinguishing device includes the stock solution portion that is used for storing liquid carbon dioxide, installs the jetting subassembly in on the stock solution portion and controls the automatically controlled switch of jetting subassembly's spout switching, the spout of jetting subassembly is towards the transformer setting, temperature monitoring device is used for monitoring the temperature of survey the transformer, smoke detector is used for monitoring indoor flue gas concentration, the controller with relay protection ware, temperature monitoring device with flue gas monitoring device all electric connection, the controller is used for receiving signals sent by the relay protector, the temperature monitoring device and the smoke monitoring device and controlling the electric control switch to be turned on and turned off according to the signals.
Preferably, the temperature monitoring device comprises a temperature sensing cable and a temperature control module, the temperature sensing cable is wound on the outer side of the transformer, the number of turns of the temperature sensing cable wound on the transformer is at least two, and the temperature control module is used for sending a temperature alarm signal to the controller when the sensing temperature of the temperature sensing cable is higher than a preset temperature.
Preferably, the smoke monitoring device comprises a plurality of smoke detectors, a plurality of the smoke detectors are installed on the indoor top wall at intervals, each smoke detector comprises a smoke sensing module and a control module, and the control module is used for sending a smoke alarm signal to the controller when the smoke concentration sensed by the smoke sensing module is higher than the preset concentration.
Preferably, the smoke monitoring device further comprises an or gate circuit, the input ends of the or gate circuit are respectively connected with the control modules of the smoke detectors, and the output end of the or gate circuit is connected with the controller.
Preferably, the indoor transformer fire-fighting system further comprises an and gate circuit, an input end of the and gate circuit is connected with the relay protector, the temperature monitoring device and the smoke monitoring device respectively, and an output end of the and gate circuit is connected with the controller.
Preferably, the controller is integrated in a power grid control system of a power grid in which the indoor transformer is located.
Preferably, the carbon dioxide fire extinguishing device is arranged on the top of the indoor side wall, and the spraying assembly abuts against the indoor top wall.
Preferably, the liquid storage part is provided with an infusion port and an infusion tube, one end of the infusion tube is connected with the infusion port, and the port at the other end is positioned in the middle or lower part of the room.
Preferably, the carbon dioxide extinguishing device comprises a connecting frame, the connecting frame comprises a connecting plate and a fixing plate, the connecting plate is used for being connected with a wall, the fixing plate is used for fixing the liquid storage part, the connecting plate is fixedly connected with the fixing plate, the connecting plate is located at the top of the side wall, the top end of the connecting plate abuts against the indoor top wall, and the connecting plate is fixedly connected with the side wall.
The invention provides an indoor transformer fire-fighting system, which is characterized in that liquid carbon dioxide is filled in a carbon dioxide fire-fighting device to extinguish a fire of an indoor transformer, the cooling, insulating and suffocation effects of the liquid carbon dioxide are good, and the fire-fighting effect of the whole fire-fighting system can be improved; in addition, compared with the existing water mist fire fighting device, the carbon dioxide fire fighting device has the advantages that the liquid storage part can be smaller, the occupied space is smaller, and the carbon dioxide fire fighting device is more convenient to arrange; because the liquid carbon dioxide is stored in the liquid storage part, the liquid carbon dioxide can be conveniently sprayed out of the spraying assembly, other complex structures (such as a water mist pump set) are not needed, the carbon dioxide fire extinguishing device can intelligently control whether the carbon dioxide is sprayed or not only by arranging an electric control switch, and the structure is simple; furthermore, in the indoor fire-fighting system, the controller controls the opening and closing of the electric control switch according to signals sent by the relay protector, the temperature monitoring device and the smoke monitoring device, namely, the triggering conditions of the carbon dioxide fire-extinguishing device comprise a plurality of triggering conditions, so that the reliability of the whole fire-fighting system can be improved, and the fire-fighting effect is further improved.
On the other hand, the technical scheme adopted by the invention is as follows:
a control method of an indoor transformer fire protection system is provided, and the indoor transformer fire protection system is the indoor transformer fire protection system, and the control method comprises the following steps:
when the controller receives the turn-off signal of the relay protector, the temperature alarm signal of the temperature monitoring device and the smoke alarm signal of the smoke monitoring device at the same time, the controller controls the electric control switch to be turned on.
The control method of the indoor transformer fire-fighting system has the same technical effects as the indoor fire-fighting system; in addition, in the control method, the electronic control switch is controlled to be turned on only when the controller simultaneously receives the turn-off signal of the relay protector, the temperature alarm signal of the temperature monitoring device and the smoke alarm signal of the smoke monitoring device, the reliability of the whole fire fighting system can be improved through the arrangement, and the carbon dioxide fire extinguishing device is prevented from being triggered by mistake.
Other advantages of the present invention will be described in the detailed description, and those skilled in the art will understand the technical features and technical solutions presented in the description.
Drawings
Preferred embodiments according to the present invention will be described below with reference to the accompanying drawings. In the figure:
fig. 1 is a schematic control circuit diagram of an indoor transformer fire-fighting system according to a preferred embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an indoor transformer fire fighting system according to a preferred embodiment of the present invention;
fig. 3 is a schematic structural view of a carbon dioxide fire extinguishing apparatus according to a preferred embodiment of the present invention.
In the figure, the position of the upper end of the main shaft,
1. a carbon dioxide fire extinguishing device; 11. a liquid storage part; 111. an infusion port; 12. a spray assembly; 121. a main injection pipe; 122. a spray branch pipe; 123. an electric control switch; 124. an ejection port; 13. a transfusion tube; 131. a first infusion tube; 132. a second infusion tube; 133. an infusion control valve; 14. a connecting frame; 141. a connecting plate; 142. a fixing plate; 2. a transformer; 3. a controller; 4. a temperature monitoring device; 41. a temperature sensing cable; 5. a flue gas monitoring device; 51. a smoke detector; 6. a relay protector.
Detailed Description
The present invention will be described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth in order to avoid obscuring the nature of the present invention, well-known methods, procedures, and components have not been described in detail.
Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.
Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Referring to fig. 1 and 2, the application provides an indoor transformer fire extinguishing system and control method thereof, transformer 2 includes relay protection ware 6, indoor transformer fire extinguishing system includes controller 3, carbon dioxide extinguishing device 1, temperature monitoring device 4 and flue gas monitoring device 5, carbon dioxide extinguishing device 1 is located transformer 2's top, and installs on indoor lateral wall, carbon dioxide extinguishing device 1 is including the stock solution portion 11 that is used for storing liquid carbon dioxide, install spray assembly 12 and control on the stock solution portion 11 the automatically controlled switch 123 of spray assembly 12's spout switching, and the stock solution portion 11 is the liquid storage pot of tube-shape preferably, including inner tube structure and urceolus structure, and inner tube structure and urceolus structure all select the low temperature pressure vessel steel sheet preparation for use, the inner tube structure with the heat-insulating material is filled to the space between the urceolus structure, and vacuumizing, wherein the heat-insulating material is pearled-luster sand, so as to improve the heat-insulating effect of the liquid storage tank.
Referring to fig. 2 and 3, the nozzle of the spraying assembly 12 is disposed toward the transformer 2, preferably, the spraying assembly 12 further includes a main spraying pipe 121 and a branch spraying pipe 122, for example, a metal pipe, the electronic control switch 123 is located on the main spraying pipe 121 and is used for controlling the communication and closing of the main spraying pipe 121, the main spraying pipe 121 is Z-shaped, a first end of the main spraying pipe 121 is communicated with the liquid storage portion 11, a second end of the main spraying pipe is communicated with the branch spraying pipe 122 through a side wall of the branch spraying pipe 122, the branch spraying pipe 122 is disposed along the extending direction of the liquid storage portion 11, two ends of the branch spraying pipe 122 are provided with flat injection ports 124, the injection ports 124 are made of plastic material and are embedded at the periphery of the ports of the branch spraying pipe 122, and two injection ports 124 can rapidly spray a. Further, the top of the injection branch pipe 122 is flush with a positioning surface of a connection plate (described in detail later), that is, the injection port 124 of the carbon dioxide fire extinguishing apparatus 1 is located at the top of the whole room, so that interference with the activities of the operator in the room can be avoided.
Further, referring to fig. 1, the temperature monitoring device is used for monitoring the temperature of the transformer 2, the smoke detection device is used for monitoring the indoor smoke concentration, the controller 3 is electrically connected with the relay protector 6, the temperature monitoring device 4 and the smoke monitoring device 5, and the controller 3 is used for receiving the signals sent by the relay protector 6, the temperature monitoring device 4 and the smoke monitoring device 5 and controlling the opening and closing of the electric control switch 123 according to the signals. Specifically, the electric control switch 123 is mainly composed of a tightening bolt, an upper butterfly valve, a lower butterfly valve and screws, wherein the tightening bolt can be manually or automatically adjusted and is located at a proper position at ordinary times, the upper butterfly valve is connected with the tightening bolt through a built-in thread, four fixing screws are arranged around the upper butterfly valve, and the lower butterfly valve is connected with the upper butterfly valve through the four fixing screws and is screwed and fixed.
According to the indoor transformer fire-fighting system, the liquid carbon dioxide is filled in the carbon dioxide fire-fighting device 1 to extinguish the fire of the indoor transformer 2, the cooling, insulating and suffocation effects of the liquid carbon dioxide are good, and the fire-fighting effect of the whole fire-fighting system can be improved; in addition, compared with the existing water mist fire fighting device, the carbon dioxide fire fighting device 1 has the advantages that the liquid storage part 11 is smaller, the occupied space is smaller, and the device is more convenient to arrange; because liquid carbon dioxide is stored in the liquid storage part 11, the liquid carbon dioxide can be conveniently sprayed out of the spraying assembly 12, other complex structures (such as a water mist pump set) are not needed, the carbon dioxide fire extinguishing device 1 can intelligently control whether the carbon dioxide is sprayed or not only by arranging the electric control switch 123, and the structure is simple; furthermore, in the indoor fire-fighting system, the controller 3 controls the electric control switch 123 to be turned on and off according to signals sent by the relay protector 6, the temperature monitoring device 4 and the smoke monitoring device 5, that is, the triggering conditions of the carbon dioxide fire-extinguishing device 1 are multiple, so that the reliability of the whole fire-fighting system can be improved, and the fire-fighting effect is further improved.
Further, referring to fig. 2 and 3, the temperature monitoring device 4 includes a temperature sensing cable 41 and a temperature control module (not shown in the figure), the temperature sensing cable 41 is wound on the outer side of the transformer 2, and is convenient to set, the temperature sensing cable 41 is used for sensing the temperature of the transformer 2, the temperature control module is used for sending a temperature alarm signal to the controller 3 when the sensed temperature of the temperature sensing cable 41 is higher than a predetermined temperature, since the triggering condition includes a plurality of triggering conditions, the preset temperature is lower to ensure the accuracy of the judgment, the preset temperature is preferably 70-100 degrees, for example, 80 degrees, the number of turns of the temperature sensing cable 41 wound around the transformer 2 may be one or more, and in order to improve the reliability thereof, it is preferable that the number of turns of the temperature sensing cable 41 wound around the transformer 2 is at least two turns to better sense the temperature of the transformer 2.
Further, referring to fig. 1 and 2, the smoke monitoring device 5 includes a plurality of smoke detectors 51, a plurality of smoke detectors 51 are installed on the indoor top wall at intervals to improve the sensitivity of smoke sensing, the smoke detectors 51 include a smoke sensing module and a control module, and the control module is configured to send a smoke alarm signal to the controller 3 when the smoke concentration sensed by the smoke sensing module is higher than a predetermined concentration. Furthermore, the smoke monitoring device 5 further comprises an or gate circuit, the input end of the or gate circuit is respectively connected with a plurality of control modules of the smoke detector 51, the output end of the or gate circuit is connected with the controller 3, namely, as long as the smoke concentration sensed by a certain smoke detector 51 is higher than the preset concentration, the control modules send smoke alarm signals to the controller 3, so that the sensitivity of the smoke monitoring device 5 is improved, and the reliability of a fire fighting system is further improved.
Further, referring to fig. 1, the indoor transformer fire-fighting system further includes an and-gate circuit, an input end of the and-gate circuit is connected to the relay protector 6, the temperature monitoring device 4 and the smoke monitoring device 5, and an output end of the and-gate circuit is connected to the controller 3, that is, the electronic control switch 123 is controlled to be turned on only when the controller 3 receives a turn-off signal of the relay protector 6, a temperature alarm signal of the temperature monitoring device 4 and a smoke alarm signal of the smoke monitoring device 5 at the same time. Through the setting, the reliability of the whole fire fighting system can be improved, the carbon dioxide fire extinguishing device 1 is prevented from being triggered mistakenly, for example, because other positions in the power grid where the transformer 2 is located are failed, the relay protector 6 is disconnected, because the position where the transformer 2 is located does not have a fire disaster, the temperature monitoring device 4 and the smoke monitoring device 5 cannot send corresponding alarm signals to the controller 3, and the controller 3 cannot control the action of the carbon dioxide fire extinguishing device 1. It should be noted that the controller 3 can be separately disposed, for example, on the side wall of the dioxide fire extinguishing apparatus or disposed at other positions, in order to facilitate the control of the whole fire control system and the centralized control of the power grid where the transformer 2 is located, and further, the controller 3 is integrated into the power grid control system of the power grid where the indoor transformer 2 is located.
Further, referring to fig. 2 and 3, the carbon dioxide fire extinguishing apparatus 1 is disposed on the top of the indoor side wall, and the spraying component 12 abuts against the indoor ceiling wall, so that a sufficient space is provided for the installation of the transformer 2, and the reliability of the whole structure can be improved, especially when the spraying component 12 sprays carbon dioxide, the spraying component 12 can be well supported by the indoor ceiling wall. Furthermore, the liquid storage part 11 is provided with an infusion port 111 and an infusion tube 13, one end of the infusion tube 13 is connected with the infusion port 111, and the port at the other end is positioned at the indoor middle part or lower part, so that carbon dioxide can be conveniently conveyed into the liquid storage part 11 through the infusion tube 13, and liquid in the liquid storage part 11 can be conveniently discharged. For example, when the content of carbon dioxide in the liquid storage portion 11 is too small, carbon dioxide can be transported to the liquid storage portion 11 by externally connecting another device to the other end of the liquid transport tube 13; for example, when the liquid reservoir 11 needs to be replaced or the inside of the liquid reservoir 11 needs to be cleaned, the liquid in the liquid reservoir can be discharged by externally connecting another device to the other end of the liquid transport tube 13. The port at the other end of the infusion tube 13 is arranged in the middle or at the lower part of the room, so that other equipment can be conveniently and externally connected. Specifically, transfer line 13 includes first transfer line 131 and second transfer line 132, the one end of first transfer line 131 with infusion mouth 111 is connected, the other end with the one end of second transfer line 132 is connected, the free end of second transfer line 132 sets up infusion control valve 133, infusion control valve 133 is used for control the intercommunication and the closing of transfer line 13, second transfer line 132 is pressed close to and is used for the installation the vertical setting of lateral wall of carbon dioxide fire extinguisher is less to the influence of whole indoor space, can avoid transfer line 13 to influence the activity of staff at indoor, and structural configuration is reasonable. Furthermore, the carbon dioxide fire extinguishing device 1 further comprises a pressure gauge, wherein the pressure gauge is installed at the lower part of the liquid storage part 11 and used for detecting the liquid pressure in the liquid storage part 11, so that a worker can conveniently know the content of the liquid carbon dioxide in the liquid storage part 11 according to the reading of the pressure gauge, the carbon dioxide can be supplemented immediately, and the fire fighting effect can be ensured.
Specifically, the fluid infusion control valve 133 mainly comprises a manual fancy gate valve, a connecting nut, a connecting short rod, an upper fixing nut and a lower fixing nut, wherein the manual fancy gate valve is made of stainless steel materials, and when fluid infusion or fluid drainage is required, the manual fancy gate valve can be taken down and is in a screwing state at ordinary times to prevent fluid leakage; the connecting nut is screwed on the thread of the extending part of the connecting short rod; the front of the connecting short rod is connected with a manual fancy gate valve and a connecting nut through the thread of the rod body, and is in a screwing state. The rear end of the connecting short rod is connected with a second infusion tube 132 through threads at the lower end of the second infusion tube 132; the upper and lower fixing nuts mainly play a role in fixedly connecting the short rods and prevent the connecting short rods from moving.
Further, indoor electrical equipment fire extinguishing systems includes two carbon dioxide extinguishing device 1, two carbon dioxide extinguishing device 1 sets up relatively, are located respectively the top of indoor relative both sides wall to improve whole fire extinguishing systems's fire control effect. Further, referring to fig. 2 and 3, the carbon dioxide fire extinguishing apparatus 1 includes a connecting frame 14, for example, the connecting frame 14 is made of stainless steel, the connecting frame 14 includes a connecting plate 141 for connecting with a wall and a fixing plate 142 for fixing the liquid storage part 11, the connecting plate 141 is used for installing the carbon dioxide fire extinguishing apparatus 1, the fixing plate 142 is used for fixing the liquid storage part 11, and the top surface of the connecting plate 141 constitutes a positioning surface for installing and positioning the carbon dioxide fire extinguishing apparatus 1; further, the connection plate 141 and the spraying unit 12 are located at opposite sides of the liquid storage part 11, the connection plate 141 is fixedly connected to the fixing plate 142, the connection plate 141 is located at the top of the side wall, and the top end of the connection plate 141 abuts against the top wall of the chamber, that is, the positioning surface of the connection plate 141 contacts the top wall of the chamber, for positioning the height position of the entire carbon dioxide fire extinguishing apparatus 1, the connection plate 141 is fixedly connected to the side wall, and the liquid storage part 11 is fixed to the upper portion of the side wall of the chamber by the above-mentioned mounting bracket 14. For example, the fixing plate 142 is perpendicular to the connecting plate 141, the fixing plate 142 is provided in a plurality of numbers, a plurality of numbers in the present application indicate two or more, the fixing plates 142 are located on the same side of the connecting plate 141 and are separated from each other by a predetermined distance, the fixing plate 142 is provided with mounting holes, the liquid storage tank passes through the mounting holes, and the mounting frame 14 is simple in structure and convenient to process and manufacture. Specifically, the number of the securing plates 142 is two, and the two securing plates 142 are spaced apart from each other by a predetermined distance that is two thirds of the axial dimension of the fluid reservoir tank to ensure that the fluid reservoir tank is reliably secured to the side wall of the chamber by the mounting bracket 14. Specifically, the connecting plate 141 and the spraying component 12 are respectively located on two opposite sides of the liquid storage portion 11 to avoid mutual interference between the two, the fixing plate 142 includes a plate portion and a half-ring portion, one side of the plate portion is connected with the connecting plate 141, a semicircular groove is formed in the other side opposite to the one side, the half-ring portion is connected with the other side of the plate portion, a groove wall of the semicircular groove and a radial inner side wall of the half-ring portion enclose to form the mounting hole, mutual interference between the mounting frame 14 and the spraying component 12 can be better avoided due to the arrangement of the semicircular groove, and installation of the spraying component 12 is more convenient. Further, the vertical dimension of at least a part of the structure of the plate portion is gradually reduced from one side edge to the other side edge, so that the appearance of the whole carbon dioxide fire extinguishing apparatus 1 is more harmonious and a larger installation operation space is provided for the installation frame 14.
Referring to fig. 1, the present invention further provides a control method of an indoor transformer fire protection system, where the control method includes: when the controller 3 receives the turn-off signal of the relay protector 6, the temperature alarm signal of the temperature monitoring device 4 and the smoke alarm signal of the smoke monitoring device 5 at the same time, the controller 3 controls the electric control switch 123 to be turned on. That is, the electronic control switch 123 is controlled to be turned on only when the controller 3 simultaneously receives the turn-off signal of the relay protector 6, the temperature alarm signal of the temperature monitoring device 4 and the smoke alarm signal of the smoke monitoring device 5. It should be noted that "simultaneously" herein does not mean that the controller 3 must receive the three signals at the same time; or, the controller 3 receives the turn-off signal of the relay protector 6 at the first moment and continuously maintains the receiving state, receives the temperature alarm signal of the temperature monitoring device 4 at the second moment and continuously maintains the receiving state, receives the smoke alarm signal of the smoke monitoring device 5 at the third moment, and when the three signals are all received by the controller 3 within a time period, the controller 3 controls the electric control switch 123 to be in the on state, and the carbon dioxide fire extinguishing device 1 performs the fire extinguishing action. Through the setting, the reliability of the whole fire fighting system can be improved, the carbon dioxide fire extinguishing device 1 is prevented from being triggered mistakenly, for example, other positions in the power grid where the transformer 2 is located are failed to cause the relay protector 6 to be disconnected, because the position where the transformer 2 is located does not have a fire disaster, the temperature monitoring device 4 and the smoke monitoring device 5 cannot send corresponding alarm signals to the controller 3, and the controller 3 cannot control the action of the carbon dioxide fire extinguishing device 1.
It will be appreciated by those skilled in the art that the above-described preferred embodiments may be freely combined, superimposed, without conflict.
It will be understood that the embodiments described above are illustrative only and not restrictive, and that various obvious and equivalent modifications and substitutions for details described herein may be made by those skilled in the art without departing from the basic principles of the invention.
Claims (10)
1. The utility model provides an indoor transformer fire extinguishing systems, the transformer includes relay protection ware, a serial communication port, including controller, carbon dioxide extinguishing device, temperature monitoring device and flue gas monitoring device, carbon dioxide extinguishing device is located the top of transformer, and install on indoor lateral wall, carbon dioxide extinguishing device including the stock solution portion that is used for storing liquid carbon dioxide, install injection assembly and control in the stock solution portion the automatically controlled switch of injection assembly's spout switching, injection assembly's spout orientation the transformer sets up, temperature monitoring device is used for monitoring the temperature of transformer, smoke detection device is used for monitoring indoor flue gas concentration, the controller with relay protection ware temperature monitoring device with the equal electric connection of flue gas monitoring device, the controller is used for receiving relay protection ware, temperature monitoring device, And the temperature monitoring device and the smoke monitoring device send signals and control the electric control switch to be turned on or turned off according to the signals.
2. The indoor transformer fire fighting system according to claim 1, wherein the temperature monitoring device comprises a temperature sensing cable wound around the outside of the transformer for at least two turns, and a temperature control module for sending a temperature alarm signal to the controller when a sensed temperature of the temperature sensing cable is higher than a predetermined temperature.
3. The indoor transformer fire fighting system according to claim 1, wherein the smoke monitoring device comprises a plurality of smoke detectors installed at intervals on a top wall of the indoor, the smoke detectors comprising smoke sensing modules and a control module for sending a smoke alarm signal to the controller when the smoke concentration sensed by the smoke sensing modules is higher than a predetermined concentration.
4. The indoor transformer fire-fighting system according to claim 3, wherein the smoke monitoring device further comprises an OR gate, input ends of the OR gate are respectively connected with the control modules of the smoke detectors, and output ends of the OR gate are connected with the controller.
5. The indoor transformer fire protection system of any one of claims 1 to 4, further comprising an AND gate, wherein the input end of the AND gate is connected to the relay protector, the temperature monitoring device and the smoke monitoring device, respectively, and the output end of the AND gate is connected to the controller.
6. The indoor transformer fire protection system of any one of claims 1 to 4, wherein the controller is integrated into a grid control system of a power grid on which the indoor transformer is located.
7. The indoor transformer fire fighting system according to any one of claims 1 to 4, wherein the carbon dioxide fire extinguishing device is disposed on top of an indoor side wall, and the spraying assembly abuts against an indoor ceiling wall.
8. The indoor transformer fire-fighting system according to claim 7, wherein a transfusion port and a transfusion tube are provided on the liquid storage portion, one end of the transfusion tube is connected to the transfusion port, and a port at the other end is located at a middle or lower portion of the indoor space.
9. The indoor transformer fire fighting system according to any one of claims 1 to 8, wherein the carbon dioxide fire extinguishing device comprises a connection bracket including a connection plate for connecting to a wall and a fixing plate for fixing the reservoir, the connection plate is fixedly connected to the fixing plate, the connection plate is located on top of the side wall, and a top end of the connection plate abuts against a top wall in the chamber, and the connection plate is fixedly connected to the side wall.
10. A control method of an indoor transformer fire protection system, wherein the indoor transformer fire protection control system is the indoor transformer fire protection system of any one of claims 1 to 9, the control method comprising:
when the controller receives the turn-off signal of the relay protector, the temperature alarm signal of the temperature monitoring device and the smoke alarm signal of the smoke monitoring device at the same time, the controller controls the electric control switch to be turned on.
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| CN202010421060.6A CN112190850B (en) | 2020-05-18 | 2020-05-18 | Indoor transformer fire-fighting system and control method thereof |
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| CN202010421060.6A CN112190850B (en) | 2020-05-18 | 2020-05-18 | Indoor transformer fire-fighting system and control method thereof |
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| CN112190850B CN112190850B (en) | 2022-05-03 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112957637A (en) * | 2021-03-30 | 2021-06-15 | 郑州轻工业大学 | Transformer fire extinguishing device capable of preventing misoperation |
| CN113577603A (en) * | 2021-07-29 | 2021-11-02 | 广东电网有限责任公司 | Fire-fighting and cooling integrated system and control method thereof |
| CN115253125A (en) * | 2022-09-20 | 2022-11-01 | 江苏伟正电气科技有限公司 | Transformer fault protection real-time monitoring system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101393444A (en) * | 2008-10-31 | 2009-03-25 | 上海华魏自动化设备有限公司 | Combined monitoring system |
| CN203915873U (en) * | 2014-06-13 | 2014-11-05 | 中核核电运行管理有限公司 | Large-scale outdoor transformer regional fire integrated fire control device |
| RU2622797C1 (en) * | 2016-03-18 | 2017-06-20 | Татьяна Дмитриевна Ходакова | Gas fire extinguishing system |
| CN207640837U (en) * | 2017-10-26 | 2018-07-24 | 山东博晨供水设备有限公司 | A kind of large size freight house difference cargo automatic fire control fire extinguishing system |
| CN108339212A (en) * | 2017-12-28 | 2018-07-31 | 铜陵日科电子有限责任公司 | A kind of self-extinguishing formula transformer |
| CN209254001U (en) * | 2019-02-21 | 2019-08-16 | 威特龙消防安全集团股份公司 | A kind of critical state carbon-dioxide fire engine equipment |
-
2020
- 2020-05-18 CN CN202010421060.6A patent/CN112190850B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101393444A (en) * | 2008-10-31 | 2009-03-25 | 上海华魏自动化设备有限公司 | Combined monitoring system |
| CN203915873U (en) * | 2014-06-13 | 2014-11-05 | 中核核电运行管理有限公司 | Large-scale outdoor transformer regional fire integrated fire control device |
| RU2622797C1 (en) * | 2016-03-18 | 2017-06-20 | Татьяна Дмитриевна Ходакова | Gas fire extinguishing system |
| CN207640837U (en) * | 2017-10-26 | 2018-07-24 | 山东博晨供水设备有限公司 | A kind of large size freight house difference cargo automatic fire control fire extinguishing system |
| CN108339212A (en) * | 2017-12-28 | 2018-07-31 | 铜陵日科电子有限责任公司 | A kind of self-extinguishing formula transformer |
| CN209254001U (en) * | 2019-02-21 | 2019-08-16 | 威特龙消防安全集团股份公司 | A kind of critical state carbon-dioxide fire engine equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112957637A (en) * | 2021-03-30 | 2021-06-15 | 郑州轻工业大学 | Transformer fire extinguishing device capable of preventing misoperation |
| CN112957637B (en) * | 2021-03-30 | 2021-12-14 | 郑州轻工业大学 | Transformer fire extinguishing device capable of preventing misoperation |
| CN113577603A (en) * | 2021-07-29 | 2021-11-02 | 广东电网有限责任公司 | Fire-fighting and cooling integrated system and control method thereof |
| CN115253125A (en) * | 2022-09-20 | 2022-11-01 | 江苏伟正电气科技有限公司 | Transformer fault protection real-time monitoring system |
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| CN112190850B (en) | 2022-05-03 |
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