CN112439145A - Fire extinguishing device for electric meter box and control method thereof - Google Patents
Fire extinguishing device for electric meter box and control method thereof Download PDFInfo
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- CN112439145A CN112439145A CN202011168391.XA CN202011168391A CN112439145A CN 112439145 A CN112439145 A CN 112439145A CN 202011168391 A CN202011168391 A CN 202011168391A CN 112439145 A CN112439145 A CN 112439145A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 34
- 239000000779 smoke Substances 0.000 claims abstract description 27
- 238000002347 injection Methods 0.000 claims abstract description 21
- 239000007924 injection Substances 0.000 claims abstract description 21
- 230000000007 visual effect Effects 0.000 claims abstract description 10
- 238000009529 body temperature measurement Methods 0.000 claims description 22
- 239000007921 spray Substances 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 13
- 239000000443 aerosol Substances 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 5
- 238000012216 screening Methods 0.000 claims description 4
- 238000012790 confirmation Methods 0.000 claims 1
- 230000001629 suppression Effects 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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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
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0096—Radiation pyrometry, e.g. infrared or optical thermometry for measuring wires, electrical contacts or electronic systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Fire Alarms (AREA)
Abstract
The invention provides a fire extinguishing device for an electric meter box and a control method thereof, wherein the device comprises: the fire-fighting agent burning-out device comprises a sensor unit, a fire-fighting agent injection system, a processor, a smoke burning-out system and an audible and visual alarm, wherein the sensor unit, the fire-fighting agent injection system, the smoke burning-out system and the audible and visual alarm are all electrically connected with the processor; the sensor unit comprises a smoke sensor, an infrared temperature measuring sensor group and a flame sensor, wherein the infrared temperature measuring sensor group comprises a plurality of infrared temperature measuring sensors which are respectively arranged at the middle points of four vertical edges of the electric meter box; the smoke sensor is mounted on the top in the electric meter box. The fire-fighting agent cleaning device can find the fire hidden danger of the electric meter box in time, eliminate the hidden danger in time, avoid the fire expansion, simultaneously quickly clean the fire-fighting agent, provide a good repairing environment for repairing personnel, and facilitate the quick circuit repairing.
Description
Technical Field
The invention belongs to the technical field of power equipment fire fighting, and particularly relates to a fire extinguishing device for an electric meter box and a control method of the fire extinguishing device.
Background
The ammeter case is serious fire hazard potential safety hazard because the wiring is more and the line is complicated. Most of the existing fire fighting methods are that a portable fire extinguisher is placed near an electric meter box or a warehouse area adopts distributed spraying for fire extinguishing, standby sand, 1211, dry powder and the like of a transformer substation are relatively passive and original, and a fire extinguishing robot special for fire fighting is large in size and cannot be flexibly applied to relatively closed spaces such as indoor spaces, box bodies and the like.
The fire fighting methods can not prevent the expansion of fire and can not process the electric meter box in time when the electric meter box is about to cause the fire.
Disclosure of Invention
In view of the above-mentioned shortcomings in the prior art, the present invention provides a fire extinguishing apparatus for an electric meter box and a control method thereof, so as to solve the above-mentioned technical problems.
The invention provides a fire extinguishing apparatus for an electric meter box, the apparatus comprising:
the fire-fighting agent burning-out device comprises a sensor unit, a fire-fighting agent injection system, a processor, a smoke burning-out system and an audible and visual alarm, wherein the sensor unit, the fire-fighting agent injection system, the smoke burning-out system and the audible and visual alarm are all electrically connected with the processor;
the sensor unit comprises a smoke sensor, an infrared temperature measuring sensor group and a flame sensor, wherein the infrared temperature measuring sensor group comprises a plurality of infrared temperature measuring sensors which are respectively arranged at the middle points of four vertical edges of the electric meter box; the smoke sensor is mounted on the top in the electric meter box.
Further, the fire-fighting agent injection system comprises a storage tank and a spray head, wherein the spray head is installed inside the electric meter box, and the storage tank is installed outside the electric meter box; the sprayer is communicated with the storage tank through a high-temperature-resistant pipe, an electromagnetic valve is arranged at the outlet of the storage tank, and the electromagnetic valve is electrically connected with the processor.
Further, the storage tank stores aerosol.
Furthermore, one side of the electric meter box provided with the spray head is provided with a plurality of vent holes.
Further, the shower nozzle passes through electronic pivot to be installed on the ammeter incasement wall, electronic pivot with the treater electricity is connected.
Further, the device also comprises an independent power supply, the independent power supply is installed on the outer side of the electric meter box, and the independent power supply is electrically connected with the processor.
Further, the device also comprises a wireless communication module, the wireless communication module is in communication connection with the processor, and the wireless communication module is installed on the outer side of the electric meter box.
The invention also provides a control method of the fire extinguishing device for the electric meter box, which comprises the following steps:
confirming that fire hazard exists according to the environmental parameters sent by the sensor unit;
establishing a spatial temperature distribution coordinate system of the electric meter box according to temperature information sent by the infrared temperature measurement sensor group;
screening out the highest temperature point in the coordinate system;
controlling a spray head of a fire-fighting agent spraying system to spray fire-fighting agent to the highest temperature point;
and after the injection time reaches the preset injection time, controlling the fire-fighting agent injection system to stop injecting the fire-fighting agent, and starting the smoke network exhaustion system to empty the fire-fighting agent in the electric meter box.
Further, the confirming that a fire hazard exists according to the environmental parameters sent by the sensor unit includes:
if a signal sent by a smoke sensor or a flame sensor is received, judging that fire hazard exists;
if the received actual temperature collected by the temperature sensor exceeds a preset temperature threshold value, judging that fire hazard exists;
after the fire hazard is judged to exist, starting an audible and visual alarm;
and calling locally stored administrator information, and pushing the locally stored electric meter box position to an administrator terminal through the wireless communication module according to the administrator information.
Further, establish ammeter case space temperature distribution coordinate system according to the temperature information that infrared temperature sensor group sent, include:
establishing a spatial coordinate system of the electric meter box;
generating coordinates of each infrared temperature measuring sensor, and importing temperature information scanned by each infrared temperature measuring sensor into the coordinate system according to the coordinates of each infrared temperature measuring sensor;
and appointing a temperature measurement coordinate point of the coordinate system, and calculating the average temperature value of the temperature measurement coordinate point according to the temperature values collected by the temperature sensors corresponding to the temperature measurement coordinate point.
The beneficial effect of the invention is that,
according to the fire extinguishing device for the electric meter box and the control method thereof, the flame sensor, the smoke sensor and the infrared temperature measuring sensor are carried by the control core and used for collecting environmental data inside the electric meter box, and once a fire hazard is found, the fire extinguishing agent spraying system is immediately controlled to spray aerosol. And after the fire hidden danger is eliminated, the aerosol is removed by using a smoke burn-in system, so that the circuit is convenient for repair and inspection by personnel. The fire-fighting agent cleaning device can find the fire hidden danger of the electric meter box in time, eliminate the hidden danger in time, avoid the fire expansion, simultaneously quickly clean the fire-fighting agent, provide a good repairing environment for repairing personnel, and facilitate the quick circuit repairing.
In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of the structure of an apparatus according to an embodiment of the present application;
FIG. 2 is an exemplary flow chart of a method of one embodiment of the present application;
wherein, 1, an electric meter box; 2. an electricity meter; 3. a flame sensor; 4. a smoke sensor; 5. a temperature sensor; 6. a processor; 7. a fire suppressant injection system; 8. a tobacco collaterals exhaustion system; 9. an independent power source.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
As shown in fig. 1, the present embodiment provides a fire extinguishing apparatus for an electric meter box, the apparatus including:
the sensor unit, the fire-fighting agent injection system, the processor, the smoke burn-in system and the audible and visual alarm are all electrically connected with the processor;
the sensor unit comprises a smoke sensor, an infrared temperature measurement sensor group and a flame sensor, wherein the infrared temperature measurement sensor group comprises four infrared temperature measurement sensors which are respectively arranged at the middle points of four vertical edges of the electric meter box; the smoke sensor is arranged at the top in the electric meter box, and smoke can be quickly sensed when the smoke sensor is arranged at the top due to upward floating of the smoke.
Fire extinguishing agent injection system includes holding tank and shower nozzle, and the shower nozzle passes through electric rotating shaft to be installed on the ammeter incasement wall, and electric rotating shaft is connected with the treater electricity, is convenient for control injection angle. The storage tank is arranged outside the electric meter box, so that damage or explosion caused by overhigh temperature in the electric meter box is avoided. The spray head is communicated with the storage tank through a high-temperature resistant pipe, the high-temperature resistant pipe such as a metal pipe is adopted to prevent the pipe from being damaged by a high-temperature environment, and the outlet of the storage tank is provided with an electromagnetic valve which is electrically connected with the processor. The storage tank stores the aerosol. One side that the shower nozzle was installed to the ammeter case is equipped with a plurality of air vents, and the ammeter case space can be filled fast to shower nozzle spun aerosol like this, drives out the original air in the ammeter case space.
The device still includes independent power source and wireless communication module in addition, and wherein, independent power source installs in the ammeter case outside, and the protection circuit that takes certainly takes of short circuit ammeter case can cut off the power supply when the ammeter case circuit takes place, and for the device's normal operating this moment, independent power source still can be the device power supply, does not receive the ammeter case outage influence. The independent power source is electrically connected with the processor. The wireless communication module is in communication connection with the processor, and the wireless communication module is installed on the outer side of the electric meter box.
Example 2
As shown in fig. 2, the present embodiment provides a control method of a fire extinguishing apparatus for an electric meter box, including the steps of:
and S1, confirming that the fire hazard exists according to the environmental parameters sent by the sensor unit.
If the signals sent by the smoke sensor or the flame sensor are received, the existence of the fire hazard is judged, and if the actual temperature collected by the temperature sensor exceeds a preset temperature threshold value, the existence of the fire hazard is judged.
And after the fire hazard is judged to exist, starting an audible and visual alarm, controlling the warning lamp to flicker and starting the buzzer.
The manager information and this ammeter case reference numeral and the positional information of this ammeter case are stored to the treater local storage, and after confirming that there is the conflagration hidden danger, the manager information of local storage is transferred to the treater, passes through wireless communication module propelling movement to administrator terminal with the administrator information of ammeter case position, ammeter case reference numeral of local storage according to transferring.
And S2, establishing a spatial temperature distribution coordinate system of the ammeter box according to the temperature information sent by the infrared temperature measurement sensor group.
And establishing a space coordinate system of the electric meter box, and designating the position of a temperature sensor in the electric meter box as an origin. And generating coordinates of the other three infrared temperature measuring sensors according to the size of the electric meter box and the distance between each temperature sensor and the origin. And each temperature sensor scans the temperature of the whole electric meter box space, and at the moment, the temperature information scanned by each infrared temperature sensor is guided into the coordinate system according to the coordinate of each infrared temperature sensor.
The temperature measurement coordinate point of the coordinate system is specified, for example, a point-taking rule is set as an integer-taking point, such as (1,1), (1,2) and the like, and an average temperature value of the temperature measurement coordinate point is calculated according to temperature values collected by the temperature sensors corresponding to the temperature measurement coordinate point, such as the temperature measurement coordinate point (3,4) corresponding to four temperature values (four temperature values collected by the four infrared temperature measurement sensors), and an average value of the four temperature values is calculated to be an average temperature value of the temperature measurement coordinate point (3, 4).
And S3, screening out the highest temperature point in the coordinate system.
And (5) screening out a temperature measurement coordinate point with the highest average temperature value from the coordinate system in the step (S2), wherein the temperature measurement coordinate point is the highest temperature point, and if the highest temperature point is a plurality of temperature measurement coordinate points, taking the central point of the plurality of temperature measurement coordinate points.
And S4, controlling a spray head of the fire-fighting agent spraying system to spray the fire-fighting agent to the highest temperature point.
Firstly, determining a nozzle coordinate, calculating a nozzle angle according to the nozzle coordinate and a target point with the highest temperature, controlling an electric rotating shaft to rotate the nozzle to the calculated angle, and starting an electromagnetic valve of a storage tank.
And S5, controlling the fire fighting agent injection system to stop injecting fire fighting agent after the injection time reaches the preset injection time, and starting the smoke network exhausting system to exhaust the fire fighting agent in the electric meter box.
Set for fire extinguishing agent jet time and be 5s, close the solenoid valve of holding vessel after jet time reaches 5s, start the fire extinguishing agent in the cigarette net system evacuation ammeter case, make the interior environment of ammeter case easily observe, make things convenient for the follow-up operation of salvage personnel.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A fire extinguishing apparatus for an electric meter box, the apparatus comprising:
the fire-fighting agent burning-out device comprises a sensor unit, a fire-fighting agent injection system, a processor, a smoke burning-out system and an audible and visual alarm, wherein the sensor unit, the fire-fighting agent injection system, the smoke burning-out system and the audible and visual alarm are all electrically connected with the processor;
the sensor unit comprises a smoke sensor, an infrared temperature measuring sensor group and a flame sensor, wherein the infrared temperature measuring sensor group comprises a plurality of infrared temperature measuring sensors which are respectively arranged at the middle points of four vertical edges of the electric meter box; the smoke sensor is mounted on the top in the electric meter box.
2. The apparatus of claim 1, wherein the fire suppressant injection system comprises a storage tank and a spray head, the spray head being mounted inside the meter box, the storage tank being mounted outside the meter box; the sprayer is communicated with the storage tank through a high-temperature-resistant pipe, an electromagnetic valve is arranged at the outlet of the storage tank, and the electromagnetic valve is electrically connected with the processor.
3. The device of claim 2, wherein the reservoir tank stores an aerosol.
4. The apparatus of claim 2, wherein the side of the meter box to which the spray head is mounted is provided with a plurality of vent holes.
5. The apparatus of claim 2, wherein the spray head is mounted to the inside wall of the meter box by an electrically powered spindle, the electrically powered spindle being electrically connected to the processor.
6. The device of claim 1, further comprising an independent power source mounted outside the meter box, the independent power source being electrically connected to the processor.
7. The apparatus of claim 1, further comprising a wireless communication module communicatively coupled to the processor, the wireless communication module being mounted outside the meter box.
8. A method of controlling a fire suppression apparatus for an electric meter box, the method comprising:
confirming that fire hazard exists according to the environmental parameters sent by the sensor unit;
establishing a spatial temperature distribution coordinate system of the electric meter box according to temperature information sent by the infrared temperature measurement sensor group;
screening out the highest temperature point in the coordinate system;
controlling a spray head of a fire-fighting agent spraying system to spray fire-fighting agent to the highest temperature point;
and after the injection time reaches the preset injection time, controlling the fire-fighting agent injection system to stop injecting the fire-fighting agent, and starting the smoke network exhaustion system to empty the fire-fighting agent in the electric meter box.
9. The system of claim 8, wherein the confirmation of the presence of the fire hazard based on the environmental parameters sent by the sensor unit comprises:
if a signal sent by a smoke sensor or a flame sensor is received, judging that fire hazard exists;
if the received actual temperature collected by the temperature sensor exceeds a preset temperature threshold value, judging that fire hazard exists;
after the fire hazard is judged to exist, starting an audible and visual alarm;
and calling locally stored administrator information, and pushing the locally stored electric meter box position to an administrator terminal through the wireless communication module according to the administrator information.
10. The system of claim 8, wherein the establishing of the electric meter box space temperature distribution coordinate system according to the temperature information sent by the infrared thermometric sensor group comprises:
establishing a spatial coordinate system of the electric meter box;
generating coordinates of each infrared temperature measuring sensor, and importing temperature information scanned by each infrared temperature measuring sensor into the coordinate system according to the coordinates of each infrared temperature measuring sensor;
and appointing a temperature measurement coordinate point of the coordinate system, and calculating the average temperature value of the temperature measurement coordinate point according to the temperature values collected by the temperature sensors corresponding to the temperature measurement coordinate point.
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| CN202011168391.XA CN112439145A (en) | 2020-10-28 | 2020-10-28 | Fire extinguishing device for electric meter box and control method thereof |
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| CN202011168391.XA CN112439145A (en) | 2020-10-28 | 2020-10-28 | Fire extinguishing device for electric meter box and control method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113663255A (en) * | 2021-10-25 | 2021-11-19 | 江苏云电守卫电力科技有限公司 | Control device and method for electrical signal equipment |
| CN115207785A (en) * | 2022-09-15 | 2022-10-18 | 四川瑞吉绿能科技有限公司 | Intelligent fireproof system and method for distribution box |
| CN117310241A (en) * | 2023-11-30 | 2023-12-29 | 天津瑞芯源智能科技有限责任公司 | Ammeter with fire safety function |
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| CN113663255B (en) * | 2021-10-25 | 2021-12-31 | 江苏云电守卫电力科技有限公司 | Control device and method for electrical signal equipment |
| CN115207785A (en) * | 2022-09-15 | 2022-10-18 | 四川瑞吉绿能科技有限公司 | Intelligent fireproof system and method for distribution box |
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