CN219090919U - Water spray fire extinguishing device for transformer - Google Patents

Abstract

A water spray extinguishing device for transformer, including the water spray extinguishing device body that has intermediate control ware (10), main control unit (90) of setting on intermediate control ware (10), through water spray extinguishing device body, realized putting out a fire to the transformer and handled, through main control unit (90), realized carrying out the start signal that the input external treatment obtained to water spray extinguishing device body, solved the technical problem that starts by oneself after carrying out inside signal processing to water spray extinguishing device body, consequently improved the reliable performance of water spray extinguishing device body's use.

Description

Water spray fire extinguishing device for transformer

Technical Field

The utility model relates to a water spray fire extinguishing device, in particular to a water spray fire extinguishing device for a transformer.

Background

The transformer water spray fire extinguishing system is a high-efficiency, safe, economical and environment-friendly transformer fixed fire extinguishing system and is generally composed of water source, water supply, water spray, control and the like. When the transformer breaks out a fire, the system can respond rapidly, spray water mist to the transformer through the centrifugal atomization spray head under certain pressure, the rapid fire extinguishing is realized by utilizing a cooling, choking and emulsifying fire extinguishing mechanism, the system has the characteristics of no toxicity to the environment, rapid fire extinguishing, long duration, difficult reburning, good electrical insulation performance of water mist and the like, therefore, the water spray fire extinguishing device for the transformer is an important transformer component, in the existing water spray fire extinguishing device for the transformer, the transformer water spray fire extinguishing system generally adopts a fire alarm controller as a system control device, three control modes of automatic, manual and mechanical emergency starting are provided, under the automatic starting state, the fire alarm controller simultaneously acquires two paths of cable type line type temperature sensor signals and circuit breaker tripping signals, or simultaneously acquires one path of cable type line type temperature sensor signals, a manual alarm button and circuit breaker tripping signals, the fire alarm controller controls the action of a fire alarm valve, the pressure switch action signal is fed back to the fire alarm controller after the opening of the shower valve, a fire alarm pump is started, under the manual state, fire alarm personnel can press down the fire alarm controller on the fire alarm controller and the fire alarm pump is started, and the fire alarm system is started up, and the fire alarm system is started down and the fire alarm system is started. Firstly, the control system is easy to be influenced by interference and the like to cause misoperation or faults, the fire alarm controller adopts a 24V bus control loop, operates under the environments of strong electromagnetic interference such as a transformer substation and the like, a high-voltage circuit and the like, is easy to be influenced by electromagnetic disturbance, overvoltage, single-phase grounding faults of the circuit and the like to cause circuit damage or misoperation of the control system, and causes misoperation or faults of the transformer water spray fire extinguishing system, secondly, the control loop is controlled by a single point of the fire alarm controller, if the control loop is in single-contact grounding and the like, the misoperation of the system is possibly caused, the reliability of the control system is low,

the utility model effectively explores and researches the technical problem of self-starting after the internal signal processing of the water spray fire extinguishing device body by inputting the technical characteristics of the starting signal obtained by external processing.

Disclosure of Invention

The object of the utility model is a water spray fire extinguishing device for a transformer.

In order to overcome the technical defects, the utility model aims to provide the water spray fire extinguishing device for the transformer, so that the use reliability of the water spray fire extinguishing device body is improved.

In order to achieve the above purpose, the utility model adopts the following technical scheme: comprises a water spray fire extinguishing device body with a middle controller and a main controller arranged on the middle controller.

Because main control unit and water spray extinguishing device body have been designed, through the water spray extinguishing device body, realized putting out a fire to the transformer and handled, through main control unit, realized carrying out the start signal that input external treatment obtained to the water spray extinguishing device body, solved the technical problem that starts by oneself after carrying out inside signal processing to the water spray extinguishing device body, consequently improved the use reliability of water spray extinguishing device body.

The utility model designs a water spray fire extinguishing device body and a main controller which are mutually connected in a mode of inputting a starting signal obtained by external processing.

The utility model designs a method for connecting a main controller with a water spray fire extinguishing device body in a mode of obtaining a single starting signal by a tripping signal of a circuit breaker, a temperature detector signal of a transformer and a manual fire alarm button signal.

The utility model designs that the water spray fire extinguishing device body is arranged to further comprise a fire-fighting water outlet tank, a first rising stem gate valve, a fire-fighting water pump, a check valve, a second rising stem gate valve, a rain alarm valve and a spray nozzle.

The technical effects of the four technical schemes are as follows: the technical characteristics of the starting signal obtained by external processing are highlighted, and the method is introduced to be applied to the technical field of water spray fire extinguishing devices for transformers.

The utility model also comprises a first accessory device which is arranged on the water spray fire extinguishing device body and comprises a first pressure gauge and a second pressure gauge.

The fire extinguisher is designed to further comprise a second accessory device which is arranged on the water spray fire extinguisher body, wherein the second accessory device comprises a pressure switch, a hydraulic alarm bell, a first one-way valve, a second one-way valve and a third one-way valve.

The utility model also comprises a third accessory device which is arranged on the water spray fire extinguishing device body and comprises a control valve and a fourth one-way valve.

The technical effects of the three technical schemes are as follows: the integrated installation of other components is realized, and the technical effect of the utility model is expanded.

The utility model designs that a first rising stem gate valve, a fire pump, a check valve, a second rising stem gate valve and a deluge alarm valve are respectively arranged on a pipeline between a fire control water outlet tank and a spray nozzle, a first pressure gauge, a second pressure gauge, a pressure switch, a hydraulic alarm bell, a control valve and a fourth one-way valve are respectively arranged on the deluge alarm valve, a first one-way valve, a second one-way valve and a third one-way valve are respectively arranged between the pressure switch and the hydraulic alarm bell as well as the deluge alarm valve, and a deluge alarm valve, a pressure switch, a control valve and a main controller are respectively arranged on an intermediate controller.

The technical effects of the above technical scheme are as follows: the basic technical scheme of the utility model is formed by a fire-fighting water outlet tank, a first rising stem gate valve, a fire-fighting water pump, a check valve, a second rising stem gate valve, a deluge alarm valve, a first pressure gauge, a second pressure gauge, a pressure switch, a hydraulic alarm bell, a first one-way valve, a second one-way valve, a third one-way valve, a control valve, a fourth one-way valve, a spray nozzle, a main controller and an intermediate controller, and the technical problem of the utility model is solved.

The utility model designs that the main controller is arranged as a PLC controller and the main controller is arranged to be connected with the intermediate controller in a communication way.

The technical effects of the above technical scheme are as follows: the single signal is processed and output, and interference of other factors is eliminated.

According to the utility model, one port part of the first rising stem gate valve is connected with a fire control water outlet tank through a pipeline in a communication mode, the other port part of the first rising stem gate valve is connected with an input port part of a fire control water pump through a pipeline, an output port part of the fire control water pump is connected with one port part of a check valve through a pipeline, the other port part of the check valve is connected with one port part of a second rising stem gate valve through a pipeline, the other port part of the second rising stem gate valve is connected with a rain alarm valve through a pipeline, the fire control water outlet tank is a rectangular box-shaped body, a control port part of the fire control water pump is connected with an intermediate controller, and the fire control water pump is a high-pressure water pump.

The technical effects of the above technical scheme are as follows: the supply setting of the high-pressure fire water flow is realized.

The utility model designs that the rain alarm valve is arranged to comprise a valve part, a first electromagnetic valve part and a second electromagnetic valve part, wherein an input interface part of the valve part is arranged to be connected with an inner end part of the first electromagnetic valve part, an output interface part of the valve part is arranged to be connected with an inner end part of the second electromagnetic valve part, an outer port part of the first electromagnetic valve part is arranged to be connected with a second rising stem gate valve through a pipeline, an input interface part of the valve part is arranged to be connected with a first pressure gauge, an outer port part of the second electromagnetic valve part is arranged to be connected with a spray nozzle, an output interface part of the valve part is arranged to be connected with a first one-way valve through a pipeline, an output interface part of the valve part is arranged to be connected with a second pressure gauge, pressure release interface parts of the valve part are respectively arranged to be connected with a control valve and a fourth one-way valve through a pipeline, and control interface parts of the first electromagnetic valve part and the second electromagnetic valve part are respectively arranged to be connected with an intermediate controller, and the valve part is arranged to be a rain alarm valve body.

The technical effects of the above technical scheme are as follows: valve setting with a detection port is realized.

The utility model designs that the spray nozzle is arranged as a pipe network with a high-speed centrifugal water mist spray nozzle, the input port part of the spray nozzle is connected with a rain alarm valve, and the spray nozzle is arranged on a transformer.

The technical effects of the above technical scheme are as follows: the transformer is subjected to fire-fighting spraying.

The utility model designs that the intermediate controller is set as a PLC controller, and the input interface of the intermediate controller is respectively connected with the pressure switch, the tripping signal output interface of the circuit breaker, the signal output interface of the transformer temperature detector and the signal output interface of the manual fire alarm button, and the interface of the intermediate controller is mutually communicated with the fire pump, the rain alarm valve and the main controller.

The technical effects of the above technical scheme are as follows: the internal automatic control setting is realized, and the steps of the fire-fighting operation program are sequentially completed.

The utility model designs that the first pressure gauge and the second pressure gauge are set as pointer pressure gauges, and the port parts of the first pressure gauge and the second pressure gauge are respectively connected with the rain alarm valve.

The technical effects of the above technical scheme are as follows: the setting of the pressure value of the fire water flow is read.

The utility model designs that one port part of the first one-way valve is connected with the rain alarm valve, the other port part of the first one-way valve is connected with the port part of the pressure switch, one port part of the second one-way valve and one port part of the third one-way valve respectively, the other port part of the second one-way valve is connected with the input port part of the hydraulic alarm bell, the other port part of the third one-way valve is connected with the output port part of the hydraulic alarm bell, the control valve and the fourth one-way valve respectively through pipelines, and the sensor interface of the pressure switch is connected with the intermediate controller.

The technical effects of the above technical scheme are as follows: the electric signal of the fire water flow pressure value is picked up, and the alarm sound signal is released.

According to the utility model, one port part of the control valve and one port part of the fourth one-way valve are respectively connected with the rain alarm valve through pipelines, the other port part of the control valve and one port part of the fourth one-way valve are respectively connected with the third one-way valve and the hydraulic alarm bell through pipelines, and the control valve is an electric control valve.

The technical effects of the above technical scheme are as follows: the evacuation treatment setting of the rain alarm valve is realized.

The utility model designs that a main controller and an intermediate controller, a fire-fighting water outlet tank, a first rising stem gate valve, a fire-fighting water pump, a check valve, a second rising stem gate valve, a deluge alarm valve and a spray nozzle are arranged to be distributed in a manner of controlling by an intermediate signal, and the main controller, the intermediate controller, the fire-fighting water outlet tank, the first rising stem gate valve, the fire-fighting water pump, the check valve, the second rising stem gate valve, the deluge alarm valve and the spray nozzle are arranged to be distributed in a manner of controlling by a pressure value, and the main controller, the intermediate controller, the fire-fighting water outlet tank, the first rising stem gate valve, the fire-fighting water pump, the check valve, the second rising stem gate valve, the deluge alarm valve and the spray nozzle are arranged to be distributed in a manner of controlling by a bypass, and the main controller, the intermediate controller, the fire-fighting water outlet tank, the first rising stem gate valve, the fire-fighting water pump, the check valve, the second rising stem gate valve, the deluge alarm valve and the spray nozzle and the control valve are arranged to be distributed in a manner of controlling by a bypass.

In the technical scheme, the main controller is a basic component, is also an essential technical feature of the utility model, is a feature for realizing other technical effects of the utility model, and is a technical feature of a valve part, a first solenoid valve part and a second solenoid valve part, wherein the design of the technical features of the valve part, the first solenoid valve part and the second solenoid valve part is a technical feature in accordance with the patent law and implementation rules thereof.

In the technical scheme, the main controller and the water spray fire extinguishing device body for inputting the starting signal obtained by external processing are important technical characteristics, and the water spray fire extinguishing device for the transformer has novelty, creativity and practicability in the technical field of the water spray fire extinguishing device for the transformer, and the terms in the technical scheme can be explained and understood by the patent literature in the technical field.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Figure 1 is a schematic view of the present utility model,

the fire-fighting water outlet tank-1, the first rising stem gate valve-2, the fire-fighting water pump-3, the check valve-4, the second rising stem gate valve-5, the rain alarm valve-6, the first pressure gauge-7, the second pressure gauge-8, the pressure switch-9, the hydraulic alarm bell-91, the first one-way valve-92, the second one-way valve-93, the third one-way valve-94, the control valve-95, the fourth one-way valve-96, the spray nozzle-97, the main controller-90, the intermediate controller-10, the valve part-61, the first electromagnetic valve part-62 and the second electromagnetic valve part-63.

Description of the embodiments

Terms such as "having," "including," and "comprising," as used herein, are to be construed as not being accompanied by the presence or addition of one or more other elements or combinations thereof, in accordance with the censoring guidelines.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the various embodiments of the utility model described below may be combined with one another as long as they do not interfere with one another, and, unless otherwise specified, the equipment and materials used in the examples below are commercially available, as the process conditions are not explicitly described, with reference to the commercially available product specifications or in accordance with methods conventional in the art.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Fig. 1 is a first embodiment of the present utility model, specifically explaining the present embodiment with reference to the accompanying drawings, comprising a fire-fighting water outlet tank 1, a first rising stem gate valve 2, a fire-fighting water pump 3, a check valve 4, a second rising stem gate valve 5, a rain alarm valve 6, a first pressure gauge 7, a second pressure gauge 8, a pressure switch 9, a hydraulic alarm 91, a first one-way valve 92, a second one-way valve 93, a third one-way valve 94, a control valve 95, a fourth one-way valve 96, a spray nozzle 97, a main controller 90 and an intermediate controller 10, wherein a first rising stem gate valve 2, a fire-fighting water pump 3, a check valve 4, a second rising stem gate valve 5 and a rain alarm valve 6 are respectively arranged on a pipeline between the fire-fighting water outlet tank 1 and the spray nozzle 97, a first one-way valve 7, a second one-way valve 8, a pressure switch 9, a hydraulic alarm 91, a control valve 95 and a fourth one-way valve 96 are respectively arranged on the rain alarm valve 6, and a first one-way valve 92, a second one-way valve 92, a third one-way valve 94 and an intermediate controller 95 are respectively arranged between the pressure switch 9 and the rain alarm valve 6, and the main controller 10 are respectively arranged on the rain alarm valve 6.

In the present embodiment, one of the port portions of the first rising stem gate valve 2 is provided to be coupled in communication with the fire-fighting water outlet tank 1 through a pipe and the other of the port portions of the first rising stem gate valve 2 is provided to be coupled with the input port portion of the fire-fighting water pump 3 through a pipe, the output port portion of the fire-fighting water pump 3 is provided to be coupled with one of the port portions of the check valve 4 through a pipe and the other of the port portions of the check valve 4 is provided to be coupled with one of the port portions of the second rising stem gate valve 5 through a pipe, the other of the port portions of the second rising stem gate valve 5 is provided to be coupled with the shower alarm valve 6 through a pipe and the fire-fighting water outlet tank 1 is provided as a rectangular box-like body, the control port portion of the fire-fighting water pump 3 is provided to be connected with the intermediate controller 10 and the fire-fighting water pump 3 is provided as a high-pressure water pump.

Through fire control play water tank 1, first bright pole gate valve 2, fire pump 3, check valve 4 and the bright pole gate valve 5 of second, formed the support tie point to deluge alarm valve 6 and intermediate controller 10, realized being connected with deluge alarm valve 6 by the bright pole gate valve 5 of second, realized being connected with intermediate controller 10 by fire pump 3, by fire pump 1, first bright pole gate valve 2, fire pump 3 and check valve 4, realized discharging high-pressure rivers by the bright pole gate valve 5 of second, its technical aim is: means for extinguishing high pressure water flow as an output water spray.

In the present embodiment, the rain alarm valve 6 is provided to include the valve portion 61, the first solenoid valve portion 62 and the second solenoid valve portion 63 and the input interface portion of the valve portion 61 is provided to be coupled with the inner end portion of the first solenoid valve portion 62, the output interface portion of the valve portion 61 is provided to be coupled with the inner end portion of the second solenoid valve portion 63 and the outer port portion of the first solenoid valve portion 62 is provided to be coupled with the second rising stem gate valve 5 through a pipe, the input interface portion of the valve portion 61 is provided to be coupled with the first pressure gauge 7 and the outer port portion of the second solenoid valve portion 63 is provided to be coupled with the shower nozzle 97, the output interface portion of the valve portion 61 is provided to be coupled with the first check valve 92 through a pipe and the output interface portion of the valve portion 61 is provided to be coupled with the second pressure gauge 8, the relief interface portion of the valve portion 61 is provided to be coupled with the control valve 95 and the fourth check valve 96 through a pipe and the control interface portion of the first solenoid valve portion 62 and the control interface portion of the second solenoid valve portion 63 are provided to be coupled with the intermediate controller 10, respectively, and the valve portion 61 is provided to be a rain alarm valve body.

Through drenching alarm valve 6, formed to second rising stem gate valve 5, first manometer 7, second manometer 8, first check valve 92, control valve 95, fourth check valve 96 and spray the support tie point of nozzle 97, by first solenoid valve portion 6, realized being connected with second rising stem gate valve 5, by valve portion 61, realized being connected with first manometer 7, realized being connected with second manometer 8, realized being connected with first check valve 92, realized being connected with control valve 95, realized being connected with fourth check valve 96, by second solenoid valve portion 63, realized being connected with spray nozzle 9, its technical purpose lies in: for use as a means for controlling the spray nozzles 97.

In the present embodiment, the spray nozzle 97 is provided as a pipe network having a high-speed centrifugal water mist nozzle and the input port portion of the spray nozzle 97 is provided to be coupled with the shower alarm valve 6, and the spray nozzle 97 is provided on a transformer.

Through spray nozzle 97, formed the support tie point to drenching alarm valve 6, realized by spray nozzle 97 with drenching alarm valve 6's connection, its technical aim at: is used as a component for water spray fire extinguishing of a transformer.

In the present embodiment, the first pressure gauge 7 and the second pressure gauge 8 are provided as pointer pressure gauges and the port portions of the first pressure gauge 7 and the second pressure gauge 8 are provided to be coupled with the shower alarm valve 6, respectively.

Through first manometer 7 and second manometer 8, formed the support tie point to drenching alarm valve 6, realized by first manometer 7 and second manometer 8 that drenches alarm valve 6's connection, its technical aim is: for indicating the pressure values of the input port and the output port of the shower alarm valve 6.

In the present embodiment, one of the port portions of the first check valve 92 is provided to be coupled with the shower alarm valve 6 and the other of the port portions of the first check valve 92 is provided to be coupled with the port portion of the pressure switch 9, one of the port portions of the second check valve 93, and one of the port portions of the third check valve 94, respectively, the other of the port portions of the second check valve 93 is provided to be coupled with the input port portion of the hydraulic alarm 91 and the other of the port portions of the third check valve 94 is provided to be coupled with the output port portion of the hydraulic alarm 91, the control valve 95, and the fourth check valve 96, respectively, through pipes, and the sensor interface of the pressure switch 9 is provided to be coupled with the intermediate controller 10.

Through pressure switch 9, hydraulic pressure alarm bell 91, first check valve 92, second check valve 93 and third check valve 94, formed the support tie point to deluge alarm valve 6, control valve 95, fourth check valve 96 and intermediate control ware 10, realized being connected with deluge alarm valve 6 by first check valve 92, realized being connected with control valve 95 by third check valve 94, realized being connected with fourth check valve 96, realized being connected with intermediate control ware 10 by pressure switch 9, realized carrying out audible alarm to the transformer fire alarm by second check valve 93 and hydraulic pressure alarm bell 91, its technical purpose lies in: and an electric signal means for picking up pressure values of the input interface section and the output interface section of the rain alarm valve 6.

In the present embodiment, one of the port portions of the control valve 95 and one of the port portions of the fourth check valve 96 are respectively provided to be coupled with the shower alarm valve 6 through pipes, the other of the port portions of the control valve 95 and one of the port portions of the fourth check valve 96 are respectively provided to be coupled with the third check valve 94 and the hydraulic alarm 91 through pipes, and the control valve 95 is provided as an electric control valve.

Through control valve 95 and fourth check valve 96, formed the support tie point to drenching alarm valve 6, hydraulic pressure alarm bell 91 and third check valve 94, by control valve 95 and fourth check valve 96, realized being connected with drenching alarm valve 6, realized being connected with hydraulic pressure alarm bell 91, realized being connected with third check valve 94, its technical purpose lies in: as means for controlling the opening and closing of the pressure release interface of the shower alarm valve 6.

In the present embodiment, the intermediate controller 10 is provided as a PLC controller and input interfaces of the intermediate controller 10 are respectively provided to be connected with the pressure switch 9, the circuit breaker trip signal output interface, the transformer temperature detector signal output interface and the manual fire alarm button signal output interface, and the interfaces of the intermediate controller 10 are provided to be connected with the fire pump 3, the rain alarm valve 6 and the main controller 90 in a mutually communicating manner.

Through intermediate controller 10, formed to fire pump 3, drenches alarm valve 6, pressure switch 9 and main control unit 90's support tie point, by intermediate controller 10, realized being connected with fire pump 3, realized being connected with drenches alarm valve 6, realized being connected with pressure switch 9, realized being connected with main control unit 90, its technical aim is: as a means for integrated processing of circuit breaker trip signals, transformer temperature detector signals, and manual fire alarm button signals.

In the present embodiment, the main controller 90 is provided as a PLC controller and the main controller 90 is provided in communication connection with the intermediate controller 10.

The main controller 90 forms a supporting connection point for the intermediate controller 10, and the main controller 90 realizes connection with the intermediate controller 10, and the technical purpose is as follows: for controlling the operating state of the intermediate controller 10.

In the present embodiment, the main controller 90 and the intermediate controller 10, the fire-fighting water outlet tank 1, the first rising stem gate valve 2, the fire-fighting water pump 3, the check valve 4, the second rising stem gate valve 5, the deluge alarm valve 6 and the spray nozzle 97 are arranged to be distributed in a manner controlled by the intermediate signal and the main controller 90, the intermediate controller 10, the fire-fighting water outlet tank 1, the first rising stem gate valve 2, the fire-fighting water pump 3, the check valve 4, the second rising stem gate valve 5, the deluge alarm valve 6 and the spray nozzle 97 and the first pressure gauge 7 and the second pressure gauge 8 are arranged to be distributed in a manner indicated by the pressure value, the main controller 90, the intermediate controller 10, the fire-fighting outlet tank 1, the first rising stem gate valve 2, the fire-fighting water pump 3, the check valve 4, the second rising stem gate valve 5, the deluge alarm valve 6 and the shower nozzle 97 are arranged to be distributed in a manner of picking up pressure signals with the pressure switch 9, the hydraulic bell 91, the first check valve 92, the second check valve 93 and the third check valve 94 and the main controller 90, the intermediate controller 10, the fire-fighting outlet tank 1, the first rising stem gate valve 2, the fire-fighting water pump 3, the check valve 4, the second rising stem gate valve 5, the deluge alarm valve 6 and the shower nozzle 97 are arranged to be distributed in a manner of bypass control with the control valve 95 and the fourth check valve 96.

When the transformer is in a normal working state, the first open-lever gate valve 2 and the second open-lever gate valve 5 are in an open state, after the intermediate controller 10 receives a breaker tripping signal, a transformer temperature detector signal and a manual fire alarm button signal, a pre-judging unlocking signal is processed by the intermediate controller 10, the pre-judging unlocking signal is transmitted to the main controller 90 by the intermediate controller 10, the pre-judging unlocking signal is processed by the main controller 90, after the pre-judging unlocking signal Fu Geshui sprays a starting condition of the fire extinguishing device, the main controller 90 inputs the unlocking signal to the intermediate controller 10, the intermediate controller 10 is in a working state, the intermediate controller 10 inputs signals to the fire water pump 3, the first electromagnetic valve part 62, the second electromagnetic valve part 63 and the control valve 95, the first electromagnetic valve part 62 and the second electromagnetic valve part 63 are in an open state, the fire pump 3 is in an operating state, the control valve 95 is in a closed state, the fire pump 3 forms high-pressure water flow by the fire water in the fire water outlet tank 1, the high-pressure water flow is injected into the spray nozzle 97 through the first rising stem gate valve 2, the check valve 4, the second rising stem gate valve 5 and the rain alarm valve 6, the high-pressure water flow is subjected to fire extinguishing treatment on a transformer fire by the spray nozzle 97, meanwhile, the first pressure gauge 7 reads the pressure value of the input interface part of the rain alarm valve 6, the second pressure gauge 8 reads the pressure value of the output interface part of the rain alarm valve 6, the hydraulic alarm bell 91 emits a sound alarm signal, the pressure switch 9 picks up an electric signal of the pressure value of the high-pressure water flow in the rain alarm valve 6, the electric signal of the pressure value of the high-pressure water flow in the rain alarm valve 6 is processed and stored by the intermediate controller 10, after the fire extinguishing treatment on the transformer fire is completed, the intermediate controller 10 inputs signals to the fire pump 3, the first solenoid valve portion 62, the second solenoid valve portion 63 and the control valve 95, the first solenoid valve portion 62 and the second solenoid valve portion 63 are in a closed state, the fire pump 3 is in a non-operating state, the control valve 95 is in an open state, and when the transformer is in an abnormal operating state, the first rising stem gate valve 2 and the second rising stem gate valve 5 are in a closed state.

In the second embodiment of the present utility model, the main controller 90 and the water spray fire extinguishing apparatus body are coupled to each other in such a manner that an activation signal obtained by an external process is inputted.

In this embodiment, the main controller 90 is coupled to the water spray fire suppression device body in such a way that a single activation signal is derived from the circuit breaker trip signal, the transformer temperature detector signal, and the manual fire alarm button signal.

In this embodiment, the water spray fire extinguishing device body is configured to further include a fire-fighting outlet tank 1, a first rising stem gate valve 2, a fire-fighting water pump 3, a check valve 4, a second rising stem gate valve 5, a deluge alarm valve 6, and a spray nozzle 97.

In the present embodiment, a first accessory device is further included and provided on the water spray fire extinguishing device body, the first accessory device being provided to include a first pressure gauge 7 and a second pressure gauge 8.

In the present embodiment, a second accessory device is further included and provided on the water spray fire extinguishing device body, the second accessory device being provided to include the pressure switch 9, the hydraulic alarm 91, the first check valve 92, the second check valve 93, and the third check valve 94.

In this embodiment, a third accessory device is also included and is provided on the water spray fire suppression device body, the third accessory device being provided to include a control valve 95 and a fourth one-way valve 96.

The second embodiment of the present utility model is based on the first embodiment.

The utility model has the following characteristics:

1. because the main controller 90 and the water spray fire extinguishing device body are designed, the fire extinguishing treatment of the transformer is realized through the water spray fire extinguishing device body, the starting signal obtained by inputting the external treatment to the water spray fire extinguishing device body is realized through the main controller 90, the technical problem of self-starting after the internal signal treatment to the water spray fire extinguishing device body is solved, and therefore, the use reliability of the water spray fire extinguishing device body is improved.

2. Due to the design of the fire-fighting water outlet tank 1, the first rising stem gate valve 2, the fire-fighting water pump 3, the check valve 4, the second rising stem gate valve 5, the deluge alarm valve 6 and the spray nozzle 97, the self-control spraying setting is realized.

3. Due to the design of the first pressure gauge 7 and the second pressure gauge 8, the online detection of the pressure value of the spray water flow is realized.

4. Due to the design of the pressure switch 9, the hydraulic alarm bell 91, the first check valve 92, the second check valve 93 and the third check valve 94, the on-line electric signal detection and the sound alarm on the pressure value of the spray water flow are realized.

5. Due to the design of the control valve 95 and the fourth one-way valve 96, the accumulated water in the pressure relief opening of the deluge alarm valve 6 is discharged.

6. Because the structure shape is designed to limit the numerical range, the numerical range is the technical characteristic in the technical scheme of the utility model, and the technical characteristic of the numerical range is not calculated through a formula or obtained through limited tests, and the tests show that the technical characteristic of the numerical range has good technical effect.

7. Because the technical characteristics of the utility model are designed, the experiment shows that the performance indexes of the utility model are at least 1.7 times of the existing performance indexes under the independent and mutually aggregated functions of the technical characteristics, and the utility model has good market value through evaluation.

Other technical features of the main controller 90 and the water spray fire extinguishing device body coupled with the start signal obtained by inputting the external process are one of the embodiments of the present utility model, and the technical features of the above-described embodiments may be arbitrarily combined, so that all possible combinations of the technical features of the above-described embodiments will not be described in order to satisfy the requirements of patent laws, patent implementation details and examination guidelines.

Therefore, in the technical field of the water spray fire extinguishing apparatus for the transformer, the technical contents of the main controller 90 which is arranged on the intermediate controller 10 and comprises the water spray fire extinguishing apparatus body with the intermediate controller 10 are all within the protection scope of the utility model.

Claims (10)

1. A water spray extinguishing device for transformer, characterized by: comprises a water spray fire extinguishing device body with a middle controller (10) and a main controller (90) arranged on the middle controller (10),

the water spray fire extinguishing device body is arranged to further comprise a fire-fighting water outlet tank (1), a first rising stem gate valve (2), a fire-fighting water pump (3), a check valve (4), a second rising stem gate valve (5), a rain alarm valve (6) and a spray nozzle (97).

2. The water spray fire extinguishing apparatus for a transformer according to claim 1, characterized in that: the main controller (90) and the water spray fire extinguishing device body are connected with each other in a mode of inputting a starting signal obtained by external processing.

3. The water spray fire extinguishing apparatus for a transformer according to claim 2, characterized in that: a main controller (90) is coupled to the water spray fire suppression apparatus body in such a manner that a single activation signal is derived from the circuit breaker trip signal, the transformer temperature detector signal and the manual fire alarm button signal.

4. The water spray fire extinguishing apparatus for a transformer according to claim 1, characterized in that: also comprises a first accessory device which is arranged on the water spray fire extinguishing device body and comprises a first pressure gauge (7) and a second pressure gauge (8),

or, a second accessory device is also included and is arranged on the water spray fire extinguishing device body, the second accessory device is arranged to include a pressure switch (9), a hydraulic alarm bell (91), a first one-way valve (92), a second one-way valve (93) and a third one-way valve (94),

or, a third accessory device is also included and is provided on the water spray fire suppression device body, the third accessory device being provided to include a control valve (95) and a fourth one-way valve (96).

5. The water spray fire extinguishing apparatus for a transformer according to claim 4, characterized in that: the fire-fighting water outlet tank (1) and the pipeline between the spraying nozzles (97) are respectively provided with a first rising stem gate valve (2), a fire-fighting water pump (3), a check valve (4), a second rising stem gate valve (5) and a rain alarm valve (6), the rain alarm valve (6) is respectively provided with a first pressure gauge (7), a second pressure gauge (8), a pressure switch (9), a hydraulic alarm bell (91), a control valve (95) and a fourth check valve (96), and the first check valve (92), the second check valve (93) and the third check valve (94) are respectively arranged between the pressure switch (9) and the hydraulic alarm bell (91) and the rain alarm valve (6), and the middle controller (10) is respectively provided with the rain alarm valve (6), the pressure switch (9), the control valve (95) and the main controller (90).

6. The water spray fire extinguishing apparatus for a transformer according to claim 5, characterized in that: the main controller (90) is configured as a PLC controller and the main controller (90) is configured to be communicatively connected to the intermediate controller (10).

7. The water spray fire extinguishing apparatus for a transformer according to claim 5, characterized in that: one of the port portions of the first rising-stem gate valve (2) is arranged to be connected with the fire-fighting outlet water tank (1) through a pipeline in a communicating manner and the other port portion of the first rising-stem gate valve (2) is arranged to be connected with the input port portion of the fire-fighting water pump (3) through a pipeline, the output port portion of the fire-fighting water pump (3) is arranged to be connected with one of the port portions of the check valve (4) through a pipeline and the other port portion of the check valve (4) is arranged to be connected with one of the port portions of the second rising-stem gate valve (5) through a pipeline, the other port portion of the second rising-stem gate valve (5) is arranged to be connected with the deluge alarm valve (6) through a pipeline and the fire-fighting outlet water tank (1) is arranged as a rectangular box-shaped body, the control port portion of the fire-fighting water pump (3) is arranged to be connected with the intermediate controller (10) and the fire-fighting water pump (3) is arranged as a high-pressure water pump,

or, the rain alarm valve (6) is provided to include a valve portion (61), a first solenoid valve portion (62) and a second solenoid valve portion (63) and an input interface portion of the valve portion (61) is provided to be coupled to an inner end portion of the first solenoid valve portion (62), an output interface portion of the valve portion (61) is provided to be coupled to an inner end portion of the second solenoid valve portion (63) and an outer port portion of the first solenoid valve portion (62) is provided to be coupled to the second rising stem gate valve (5) through a pipe, an input interface portion of the valve portion (61) is provided to be coupled to the first pressure gauge (7) and an outer port portion of the second solenoid valve portion (63) is provided to be coupled to a shower nozzle (97), an output interface portion of the valve portion (61) is provided to be coupled to the first check valve (92) through a pipe and an output interface portion of the valve portion (61) is provided to be coupled to the second pressure gauge (8), pressure release interface portions of the valve portion (61) are provided to be coupled to the control valve (95) and the fourth check valve (96) through a pipe and a control interface portion of the first solenoid valve portion (62) and a control interface portion of the second solenoid valve portion (63) are provided to be coupled to the control valve portion (10) respectively,

or the spray nozzle (97) is arranged as a pipe network with a high-speed centrifugal water mist nozzle, the input port part of the spray nozzle (97) is connected with a rain alarm valve (6), the spray nozzle (97) is arranged on a transformer,

or, the intermediate controller (10) is set as a PLC controller, and the input interfaces of the intermediate controller (10) are respectively connected with the pressure switch (9), the tripping signal output interface of the circuit breaker, the signal output interface of the transformer temperature detector and the signal output interface of the manual fire alarm button, and the interfaces of the intermediate controller (10) are mutually connected with the fire water pump (3), the rain alarm valve (6) and the main controller (90) in a communication mode.

8. The water spray fire extinguishing apparatus for a transformer according to claim 5, characterized in that: the first pressure gauge (7) and the second pressure gauge (8) are set as pointer pressure gauges, and the port part of the first pressure gauge (7) and the port part of the second pressure gauge (8) are respectively connected with the rain alarm valve (6).

9. The water spray fire extinguishing apparatus for a transformer according to claim 5, characterized in that: one of the port portions of the first check valve (92) is arranged to be coupled with the shower alarm valve (6) and the other of the port portions of the first check valve (92) is arranged to be coupled with the port portion of the pressure switch (9), one of the port portions of the second check valve (93) and one of the port portions of the third check valve (94), the other of the port portions of the second check valve (93) is arranged to be coupled with the input port portion of the hydraulic alarm bell (91) and the other of the port portions of the third check valve (94) is arranged to be coupled with the output port portion of the hydraulic alarm bell (91), the control valve (95) and the fourth check valve (96) through pipes, respectively, the sensor interface of the pressure switch (9) is arranged to be coupled with the intermediate controller (10),

or, one of the port portions of the control valve (95) and one of the port portions of the fourth check valve (96) are respectively arranged to be connected with the shower alarm valve (6) through a pipeline, the other port portion of the control valve (95) and one of the port portions of the fourth check valve (96) are respectively arranged to be connected with the third check valve (94) and the hydraulic alarm bell (91) through a pipeline, and the control valve (95) is arranged to be an electric control valve.

10. The water spray fire extinguishing apparatus for a transformer according to any one of claims 1 to 9, characterized in that: the fire control system comprises a main controller (90) and an intermediate controller (10), a fire control water outlet tank (1), a first rising stem gate valve (2), a fire control water pump (3), a check valve (4), a second rising stem gate valve (5), a deluge alarm valve (6) and a spraying nozzle (97), wherein the fire control water outlet tank (1), the first rising stem gate valve (2), the fire control water pump (3), the check valve (4), the second rising stem gate valve (5), the deluge alarm valve (6) and the spraying nozzle (97) are distributed in a manner of being indicated by pressure values, the main controller (90), the intermediate controller (10), the fire control water outlet tank (1), the first rising stem gate valve (2), the fire control water pump (3), the check valve (4), the second rising stem gate valve (5), the gate valve (6) and the deluge alarm valve (97) are distributed in a manner of being controlled by intermediate signals, the fire control water outlet tank (1), the first rising stem gate valve (2), the fire control water pump (3), the check valve (4), the check valve (92), the second one-way valve (92), the second rising stem gate valve (6) and the third rising stem gate valve (93) are picked up by the fire control water pump (93) in a manner of picking up the intermediate signal by the fire control water tank (90) by the fire control water pump (90) The first rising stem gate valve (2), the fire pump (3), the check valve (4), the second rising stem gate valve (5), the rain alarm valve (6) and the spray nozzle (97) are distributed in a bypass control mode, and the control valve (95) and the fourth one-way valve (96) are arranged.

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