CN217366955U - Fire extinguishing system of power changing cabinet and power changing cabinet - Google Patents
Fire extinguishing system of power changing cabinet and power changing cabinet Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The fire-fighting system comprises a passive linear temperature-sensing detector and a fire-fighting control panel, wherein the passive linear temperature-sensing detector is arranged in each power change bin of the power change cabinet and is used for generating a feedback signal when an open fire is generated in any power change bin; a fire control panel coupled to the fire suppression module and configured to: and acquiring the feedback signal, generating a control signal according to the feedback signal, controlling a water cooling suppression module connected with the feedback signal to perform a spraying cooling action based on the control signal, and simultaneously controlling a main power supply of the power exchange cabinet to act so as to stop supplying power. Trade fire extinguishing system of electric cabinet in this application is mutually supported through setting up passive linear temperature-sensing detector, fire control board and water-cooling and restraining the module to realize the condition of a fire in the real-time detection trades electric cabinet, and in time put out a fire the cooling.
Description
Technical Field
The application relates to the technical field of battery replacing cabinet fire-fighting equipment, in particular to a fire-fighting system for a battery replacing cabinet and the battery replacing cabinet.
Background
Along with the development of electric motor car, trade the battery box technique and also more receive people's attention, as the new equipment that charges for the battery box of electric motor car specially, the user can directly put into the battery box that charges in trading the electricity cabinet and charge to directly trade full charge battery, thereby can satisfy normally riding, this trouble that can save for the user charges.
However, the conventional battery replacement cabinet may have faults such as excessive heating or burning of the battery pack during operation, and the battery belongs to a medium-risk product, and may bulge, catch fire or explode if the battery is overcharged at a high temperature for a long time, so that the battery replacement cabinet is important for a fire protection system of the battery. The fire-fighting apparatus such as water tank and water pump are equipped with in trading the electricity cabinet at present, appear unusual smoking or the condition such as catching fire in charging the storehouse, trade the water pump in the electricity cabinet and take out water to charge and spray in the storehouse and put out a fire.
However, this method lacks timely fire detection, and when the fire extinguishing system began to draw water and spray the cooling, often the intensity of a fire was very serious, again because the volume of trading the electricity cabinet is limited, can't adopt large-capacity water tank, caused the intracavity that charges can't last long-time spray put out a fire, and then lead to the fire in the storehouse of charging can't extinguish completely, and the fire control effect of putting out a fire is poor.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a fire fighting system for a battery replacement cabinet and a battery replacement cabinet, which can quickly detect and timely and continuously extinguish a fire when a fire occurs in the battery replacement cabinet, in order to solve the above problems in the background art.
One aspect of the application provides a fire fighting system of a power changing cabinet, which comprises a passive linear temperature-sensing detector, a fire fighting control panel and a water cooling suppression module, wherein the passive linear temperature-sensing detector is arranged in each power changing cabin of the power changing cabinet and used for detecting whether the power changing cabin generates open fire or not, and if so, a feedback signal is generated;
the fire control panel is connected with the passive linear temperature-sensing detector and is configured to:
acquiring the feedback signal;
generating a control signal according to the feedback signal;
and controlling a water-cooling restraining module connected with the power exchange cabinet to perform a spraying cooling action based on the control signal, and controlling a main power supply of the power exchange cabinet to act to stop supplying power.
The fire fighting system of the power change cabinet in the embodiment mainly comprises two parts, namely detection and fire extinguishing, wherein the detection part is mainly completed by a passive linear temperature-sensitive detector, and specifically, when an open fire is generated in a power change bin in the power change cabinet, the passive linear temperature-sensitive detector arranged in the power change bin can sensitively detect the open fire and generate a feedback signal; the part of putting out a fire mainly is accomplished by water-cooling suppression module, specifically, is connected with the module of putting out a fire through setting up fire control board 20 for receive feedback signal to according to the condition of a fire scale generation control signal, the water-cooling suppression module that control is connected with it carries out the action of cooling down of spraying on the one hand, sprays to put out a fire to the power exchange cabinet and cools down and continuously restrain, and on the other hand controls the main power supply action of power exchange cabinet in order to stop the power supply, in order to prevent the bodily injury that the electric leakage brought. The control of the action of the main power supply of the power exchange cabinet can be realized by controlling the on-off of a breaker switch of the power exchange cabinet.
In one embodiment, the fire fighting system of the power exchange cabinet further comprises a smoke sensor and a temperature sensor, wherein the smoke sensor is arranged in the power exchange cabinet, is connected with the fire control panel, and is used for detecting the smoke concentration in the power exchange cabinet and generating a smoke concentration signal; the temperature sensor is arranged in the power exchange cabinet, is connected with the fire control panel, and is used for detecting the temperature in the power exchange cabinet and generating a temperature detection signal;
the fire control panel is further configured to:
acquiring the smoke concentration signal and the temperature detection signal;
judging whether the real-time smoke concentration is greater than or equal to a first preset threshold value or not according to the smoke concentration signal, and/or judging whether the real-time temperature is greater than or equal to a second preset threshold value or not according to the temperature detection signal;
if so, controlling the water-cooling inhibition module to execute a spraying cooling action, and simultaneously controlling a main power supply action of the power exchange cabinet to stop supplying power.
In one embodiment, the passive linear temperature-sensing detector comprises a thermosensitive wire which is laid above the inner wall of the electricity changing bin in an S shape and used for detecting whether an open fire is generated in the electricity changing bin, and if so, a feedback signal is generated.
In one embodiment, the water cooling suppression module comprises a water tank and a water pump, wherein the water tank is arranged at the bottom of the power conversion cabinet and used for storing water, the water tank is connected with each power conversion cabin through a fire fighting pipe assembly, and the fire fighting pipe assembly comprises a water outlet pipe and a spray head arranged at the head of the water outlet pipe; the water pump is connected with the fire fighting pipe assembly and used for pumping water in the water tank into the power change bins through the fire fighting pipe assembly.
In one embodiment, the water-cooling suppression module further comprises a water return pipe and a filter, wherein the water return pipe is connected with each electricity conversion bin and is used for conveying the waste water in the electricity conversion bin into the filter; the filter with the wet return reaches the water tank all is connected for with the abandonment water filters, and carries to the water tank.
In one embodiment, the water tank is further used for storing at least one fire extinguishing material selected from the group consisting of dry powder, foam, perfluorohexanone, and sand.
In one embodiment, the fire fighting system of the power exchange cabinet further comprises a standby power supply, a detection system and a main control board, wherein the detection system is connected with the water tank and the standby power supply, and is used for detecting the water level in the water tank and the electric quantity of the standby power supply and generating a detection signal; the main control board is connected with the detection system and the fire control panel, and is used for receiving the detection signal and the control signal and generating an alarm control signal based on the detection signal and the control signal, wherein the alarm control signal is used for controlling an alarm device to give an alarm.
In one embodiment, the detection signals include a water level detection signal and a battery power signal, and the main control board is configured to:
acquiring the water level detection signal and the electric quantity signal of the standby battery;
judging whether the water level detection signal is smaller than or equal to a third preset threshold value and/or whether the standby battery electric quantity signal is smaller than or equal to a fourth preset threshold value;
and if so, generating the alarm control signal.
In one embodiment, the fire extinguishing module is further arranged in a battery box, and the battery box is placed in the power change cabin.
In one embodiment, the connecting cable in the system comprises a glass fiber tube and/or a fire-retardant Teflon wire.
Another aspect of the application provides a trade electric cabinet, includes any one this application is the fire extinguishing system of trade electric cabinet in the example.
Specifically, the power exchange cabinet that provides in this application embodiment mutually supports through setting up passive linear temperature-sensing detector, fire control board and water-cooling suppression module to realize the condition of a fire in the real-time detection power exchange cabinet, and in time put out a fire the cooling. The passive linear temperature-sensing detector is mainly used for detecting fire and sending a feedback signal, the fire control board generates a control signal according to the explained feedback signal, and the water-cooling inhibition module is controlled to act to spray water, extinguish fire and cool the interior of the cabinet.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain drawings of other embodiments based on these drawings without any creative effort.
FIG. 1 is a schematic structural diagram of a power exchange cabinet;
fig. 2 is a schematic structural diagram of a fire fighting system of a battery replacement cabinet according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a fire fighting system of a battery replacement cabinet according to another embodiment of the present application;
FIG. 4 is a schematic structural diagram of a fire suppression module provided in an embodiment of the present application;
fig. 5 is a schematic structural diagram of a fire fighting system of a battery replacement cabinet according to another embodiment of the present application;
fig. 6 is a schematic structural diagram of a fire protection system apparatus of a battery replacement cabinet according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a fire fighting system of a battery replacement cabinet according to yet another embodiment of the present application;
fig. 8 is a schematic structural diagram of an apparatus of a power transformation cabinet according to an embodiment of the present application.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are illustrated in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Where the terms "comprising," "having," and "including" are used herein, another element may be added unless an explicit limitation is used, such as "only," "consisting of … …," or the like. Unless mentioned to the contrary, singular terms may include the plural and are not to be construed as being one in number.
It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present application.
In this application, unless otherwise expressly stated or limited, the terms "connected" and "connecting" are used broadly and encompass, for example, direct connection, indirect connection via an intermediary, communication between two elements, or interaction between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.
In recent years, express delivery take-out and delivery are prevalent, and due to the fact that dispatchers in the express delivery take-out industry need to shuttle in congested cities, the electric vehicle is a relatively suitable and convenient vehicle. The core of the electric vehicle is the utilization rate of the storage battery and the endurance mileage, and the storage battery of the electric vehicle has great significance on the working efficiency when the storage battery of the electric vehicle keeps sufficient endurance. Under the condition that the technology of the current battery is not fundamentally improved, a power change cabinet capable of quickly changing the battery of the electric vehicle is released in the market, as shown in fig. 1, the appearance of the power change cabinet is similar to that of a storage cabinet, different power change bins are arranged, each power change bin stores a battery box, the cabinet finishes renting the battery boxes by opening a control cabinet door, each battery bin is connected to a charger and can automatically charge the battery, the electric vehicle can realize self-service battery replacement by using the power change cabinet, and the electric vehicle does not need to wait for long-time charging.
However, there is a great potential safety hazard in the high-frequency charging of many batteries in the power exchange cabinet, so, need install fire extinguishing system in the cabinet and improve the safety of trading electricity, in traditional fire control method, often do not have effective detection means, and lead to the discovery condition of a fire in time, never put out a fire fast. Based on this, this application provides a trade fire extinguishing systems of battery cabinet adopts multiple detection device, and multiple detection ensures in time to discover the condition of a fire, cooperates water-cooling suppression device and fire control panel simultaneously, can detect the conflagration fast on the one hand, can eliminate effectively and restrain the conflagration on the one hand. In order to explain the technical solution of the fire fighting system of the present application, the following description is given by way of specific examples.
In one embodiment, as shown in fig. 2, a fire fighting system 100 of a power switching cabinet is provided, which includes a passive linear temperature-sensitive detector 10, a fire fighting control panel 20, and a water-cooling suppression module 30, where the passive linear temperature-sensitive detector 10 is disposed in each power switching bin of the power switching cabinet, and is configured to detect whether the power switching bin generates an open fire, and if so, generate a feedback signal;
the fire control panel 20 is connected with the passive linear temperature-sensitive detector 10, and is configured to:
acquiring the feedback signal;
generating a control signal according to the feedback signal;
and controlling a water cooling suppression module 30 connected with the control signal to perform a spraying cooling action based on the control signal, and simultaneously controlling a main power supply action of the power exchange cabinet to stop supplying power.
The fire fighting system 100 of the power change cabinet in the above embodiment mainly comprises two parts, namely detection and fire extinguishing, wherein the detection part is mainly completed by the passive linear temperature-sensitive detector 10, and specifically, when an open fire is generated in the power change cabin in the power change cabinet, the passive linear temperature-sensitive detector 10 arranged in the power change cabin can sensitively detect the open fire and generate a feedback signal; the fire extinguishing part is mainly completed by the water-cooling suppression module 30, specifically, is connected with the fire extinguishing module 10 through setting up the fire control board 20 for receiving the feedback signal, and according to the condition of a fire scale generation control signal, on the one hand control the water-cooling suppression module 30 that is connected with it to carry out the action of cooling down of spraying, to the electricity changing cabinet carry out the action of spraying and put out a fire and cool down and continuously suppress, on the other hand control the action of the total power supply of electricity changing cabinet in order to stop the power supply, in order to prevent the bodily injury that the electric leakage brought. The control of the action of the main power supply of the power exchange cabinet can be realized by controlling the on-off of a breaker switch of the power exchange cabinet.
In one embodiment, as shown in fig. 3, the fire fighting system 100 of the power conversion cabinet further includes a smoke sensor 40 and a temperature sensor 50, wherein the smoke sensor 40 is disposed in the power conversion cabinet, connected to the fire control panel 20, and configured to detect a smoke concentration inside the power conversion cabinet and generate a smoke concentration signal; the temperature sensor 50 is arranged in the power exchange cabinet, is connected with the fire control panel 20, and is used for detecting the temperature in the power exchange cabinet and generating a temperature detection signal;
the fire control panel 20 is also configured to:
acquiring the smoke concentration signal and the temperature detection signal;
judging whether the real-time smoke concentration is greater than or equal to a first preset threshold value or not according to the smoke concentration signal, and/or judging whether the real-time temperature is greater than or equal to a second preset threshold value or not according to the temperature detection signal;
if yes, the water cooling suppression module 30 is controlled to perform the spraying and cooling actions, and meanwhile, the main power supply action of the power exchange cabinet is controlled to stop supplying power.
Specifically, when an open fire is generated in the power exchange bins, the passive linear temperature-sensitive detector 10 may fail to correctly provide a feedback signal due to overlong placing time, line aging, or the like, or the fire control panel 20 does not effectively capture the feedback signal, which never causes the fire to be detected in time, so that the smoke sensor 40 and the temperature sensor 50 arranged in each power exchange bin are added to the fire control system 100 in the embodiment of the present application, wherein the smoke sensor 40 is used for detecting the smoke concentration inside the power exchange cabinet, generating a smoke concentration signal, and sending the smoke concentration signal to the fire control panel 20 connected thereto; the temperature sensor 50 is used for detecting the temperature inside the power exchange cabinet, generating a temperature detection signal and sending the temperature detection signal to the fire control panel 20 connected with the temperature sensor; through setting up the first threshold value of predetermineeing and trade the interior temperature of electric storehouse and set up the second threshold value of predetermineeing to trade smog concentration in the storehouse, receive at the fire control board smog concentration signal reaches judge behind the temperature detection signal to control the action of water-cooling suppression system in order to eliminate the intensity of a fire, as the example, when real-time smog concentration is greater than or equal to the first threshold value of predetermineeing, and real-time temperature is greater than or equal to the second and predetermines the threshold value, control water-cooling suppression module 30 and carry out the action of cooling by spraying, control simultaneously trade the main power supply action of electric cabinet in order to stop the power supply. And when the real-time smoke concentration is greater than or equal to a first preset threshold value and the real-time temperature is less than a second preset threshold value, or when the real-time smoke concentration is less than the first preset threshold value and the real-time temperature is greater than or equal to the second preset threshold value, the fire control panel sends out an alarm signal. The fire extinguishing system in this application embodiment carries out real-time detection owing to set up smoke transducer and temperature sensor and to smog concentration and temperature in the electricity-exchanging storehouse, has improved the sensitivity that fire extinguishing system detected the function, has avoided single inspection and the condition of a fire that leads to delays, has effectively improved this fire extinguishing system's security performance and the diversification of detection mode.
In one embodiment, as shown in fig. 4, the passive linear temperature-sensing detector includes a thermosensitive wire, which is laid at an upper position of the inner wall of the electricity-exchanging chamber in an S-shape, and is used for detecting whether an open fire is generated in the electricity-exchanging chamber, and if so, generating a feedback signal.
Specifically, the temperature sensing line is a high-tech temperature sensing element, and is formed by a multi-core or single-core wire with a surface coated with a temperature sensing material, when the ambient temperature reaches the starting temperature of the temperature sensing line, the temperature sensing line is natural, and a signal generating device of the temperature sensing line is started to generate a feedback signal and send the feedback signal to a fire control panel connected with the temperature sensing line.
In one embodiment, as shown in fig. 5, the water-cooling suppression module 30 includes a water tank 31, a water pump 32 and a fire fighting module 33, and the installation positions are shown in fig. 6, the water tank 31 is disposed at the bottom of the power conversion cabinet and is used for storing water, the water tank 31 is connected with each power conversion cabin through a fire fighting pipe assembly 33, and the fire fighting pipe assembly includes a water outlet pipe and a spray head installed at the head of the water outlet pipe; the water pump 32 is connected to the fire hose assembly 33 for pumping water in the water tank 31 to each of the power conversion compartments through the fire hose assembly 33.
The water-cooling suppression module in the above-mentioned application embodiment mainly realizes the inhibitory action of putting out a fire through to trading the storehouse water spray, this module includes the water tank, water pump and fire control subassembly, the fire control subassembly includes outlet pipe and shower nozzle, specifically, be arborescent with outlet pipe way, or the S type distributes to each and trades the electric cabin, carry water to the shower nozzle through the trunk line when the water pump starts and implement to put out a fire to the tributary way, wherein, the shower nozzle can select fan-shaped shower nozzle or hollow conical shower nozzle etc. according to actual conditions, also can design one or more shower nozzle in the warehouse. The fire is effectively extinguished by designing the proper flow for the type selection of the water pump and the spray head.
In one embodiment, the water-cooling suppression module further comprises a water return pipe and a filter, wherein the water return pipe is connected with each power conversion cabin, and the installation position of the water return pipe is shown in fig. 6 and used for conveying the waste water in the power conversion cabin into the filter; the filter with the wet return reaches the water tank all is connected for with the abandonment water filters, and carries to the water tank.
The water cooling suppression module in the above embodiment is provided with the water return pipe and the filter, and mainly takes recycling water resources into consideration, so that more efficient and energy-saving water cooling suppression can be realized. Particularly, the problem of spraying time is effectively solved by designing circulating water for the water return pipeline, the spraying time is longer under the condition of not supplementing other water sources, and the continuous inhibition time is longer; the residue filtering function of the water tank ensures the reliability of the circulating water.
In one embodiment, the water tank is further used for storing at least one fire extinguishing material selected from the group consisting of dry powder, foam, perfluorohexanone, and sand.
Specifically, the water pump and fire fighting module can be adaptively adjusted according to the fire extinguishing medium contained in the water tank.
In one embodiment, as shown in fig. 7, the fire fighting system 100 of the power exchange cabinet further includes a standby power supply 60, a detection system 70 and a main control board 80, wherein the detection system 70 is connected to both the water tank 31 and the standby power supply 60, and is configured to detect a water level in the water tank 31 and an electric quantity of the standby power supply 60 and generate a detection signal; the main control board 80 is connected to both the detection system 70 and the fire control board 20, and is configured to receive the detection signal and the control signal, and generate an alarm control signal based on the detection signal and the control signal, where the alarm control signal is used to control an alarm device to alarm.
Specifically, the standby battery provides direct current power supply for the whole system so as to ensure normal operation of the whole system under the condition that the main power supply is cut off, the detection system monitors the water level in the water tank and the electric quantity of the standby power supply in real time and gives an alarm when the water level and the electric quantity of the standby power supply are lower than a specific value, and the main control board has the functions of monitoring the operation of the system and also has the function of monitoring the alarm when the main control board detects the operation of the system.
In one embodiment, the detection signals include a water level detection signal and a battery power signal, and the main control board is configured to:
acquiring the water level detection signal and the electric quantity signal of the standby battery;
judging whether the water level detection signal is less than or equal to a third preset threshold value and/or whether the standby battery electric quantity signal is less than or equal to a fourth preset threshold value;
and if so, generating the alarm control signal.
Specifically, a third preset threshold value is set for the water level in the water tank, and a fourth preset threshold value is set for the electric quantity of the standby battery, when the water level detection signal received by the main control board is smaller than the third preset threshold value, and/or the electric quantity signal of the standby battery is smaller than the fourth preset threshold value, an alarm control signal is generated, and the alarm device is controlled to alarm. The fire extinguishing system in the embodiment of the application has the advantages that the functions of detecting the water level and the electric quantity in real time and alarming are added, and the safety performance of the fire extinguishing system is effectively improved.
In one embodiment, the connecting cable in the system comprises a glass fiber tube and/or a fire-retardant Teflon wire.
Specifically, the glass fiber tube is light and hard, non-conductive, high in mechanical strength, ageing-resistant, high-temperature-resistant and corrosion-resistant, so that the glass fiber tube is widely applied to industries such as petroleum, electric power, chemical industry, papermaking, urban water supply and drainage, factory sewage treatment, seawater desalination, coal gas conveying and the like. The Teflon has the following characteristics: non-stick property, heat resistance, sliding property, moisture resistance, abrasion resistance, corrosion resistance and the like. Therefore, compared with other high-temperature lines, the teflon line has the following characteristics: excellent thermal stability, mechanical wear resistance and electrical insulation performance, strong acid and strong alkali resistance, corrosion resistance, fire resistance, non-flammability, high oxygen index, low smoke, no halogen, no aging, easy wire stripping, high strength and friction resistance. Use fine pipe of glass and the fire-retardant line of teflon in this application, can prevent to lead to entire system inefficacy because of the circuit burns out, effectively improve fire extinguishing system's life.
Another aspect of the application provides a trade electric cabinet, includes any one this application is the fire extinguishing system of trade electric cabinet in the example.
The power switching cabinet is shown in fig. 8, and the power switching cabinet adopts the fire-fighting system of the power switching cabinet in any embodiment of the present application, wherein the right diagram shows the installation positions of the passive linear temperature-sensitive detector and the fire extinguishing device (including a fire extinguisher and a heat-sensitive wire), the left diagram shows the installation positions of the water-cooling suppression module (including a water tank, a fire-fighting component and the like), and other non-shown parts can refer to the specific description in the embodiment of the present application.
Specifically, the power exchange cabinet that provides in this application embodiment mutually supports through setting up passive linear temperature-sensing detector, fire control board and water-cooling suppression module to realize the condition of a fire in the real-time detection power exchange cabinet, and in time put out a fire the cooling. Wherein, passive linear temperature-sensing detector mainly used detects the condition of a fire and sends feedback signal, and the fire control board generates control signal according to the feedback signal who explains, and the cooling of putting out a fire of spraying water in the control water-cooling suppression module action is to the cabinet cooling of putting out a fire.
It should be noted that the above-mentioned embodiments are only for illustrative purposes and are not meant to limit the present invention.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent application shall be subject to the appended claims.
Claims (10)
1. The utility model provides a trade fire extinguishing system of switch cabinet which characterized in that includes:
the passive linear temperature-sensing detector is arranged in each electricity-exchanging bin of the electricity-exchanging cabinet and used for detecting whether the electricity-exchanging bin generates open fire or not, and if so, a feedback signal is generated; the passive linear temperature-sensing detector comprises a thermosensitive wire, the thermosensitive wire is used for detecting whether an open fire is generated in the power conversion bin, and if so, a feedback signal is generated;
the water cooling suppression module is used for executing a spraying cooling action; the water cooling suppression module comprises a water tank, a water return pipe and a filter, wherein the water return pipe is connected with each electricity conversion cabin and is used for conveying the waste water in the electricity conversion cabin into the filter; the filter is connected with the water return pipe and the water tank and is used for filtering the waste water and conveying the waste water to the water tank;
a fire control panel connected with the passive linear temperature sensitive detector and the water-cooling suppression module, configured to:
acquiring the feedback signal;
generating a control signal according to the feedback signal;
controlling the water cooling suppression module connected with the control signal to perform a spraying cooling action based on the control signal, and simultaneously controlling a main power supply action of the power exchange cabinet to stop supplying power;
the smoke sensor is arranged in the power exchange cabinet, is connected with the fire control panel and is used for detecting the smoke concentration in the power exchange cabinet and generating a smoke concentration signal;
the temperature sensor is arranged in the power exchange cabinet, is connected with the fire control panel, and is used for detecting the temperature in the power exchange cabinet and generating a temperature detection signal;
the fire control panel is further configured to:
acquiring the smoke concentration signal and the temperature detection signal;
judging whether the real-time smoke concentration is greater than or equal to a first preset threshold value or not according to the smoke concentration signal, and/or judging whether the real-time temperature is greater than or equal to a second preset threshold value or not according to the temperature detection signal;
and if so, controlling the water-cooling restraining module to execute a spraying cooling action, and simultaneously controlling a main power supply action of the power exchange cabinet to stop supplying power.
2. The system as claimed in claim 1, wherein the heat-sensitive wire is laid in an S shape at a position above the inner wall of the battery changing bin.
3. The system of claim 1, wherein the water tank is disposed at the bottom of the power change cabinet for storing water, the water tank is connected with each power change cabin through a fire hose assembly, and the fire hose assembly comprises a water outlet pipe and a spray head mounted at the head of the water outlet pipe;
the water-cooling inhibition module further comprises a water pump, and the water pump is connected with the fire fighting pipe assembly and used for pumping water in the water tank into the power exchange cabins through the fire fighting pipe assembly.
4. The system of claim 3, wherein the spray head is a fan spray head or a hollow conical spray head.
5. The system of claim 3, wherein the water outlet pipes are distributed in each battery changing chamber in a tree shape or an S shape.
6. The system of claim 5, wherein the water tank is further configured to store at least one fire extinguishing material selected from the group consisting of dry powder, foam, perfluorohexanone, and sand.
7. The system of any one of claims 1-6, further comprising:
a standby power supply;
the detection system is connected with the water tank and the standby power supply, and is used for detecting the water level in the water tank and the electric quantity of the standby power supply and generating a detection signal;
and the main control board is connected with the detection system and the fire control board, and is used for receiving the detection signal and the control signal and generating an alarm control signal based on the detection signal and the control signal, and the alarm control signal is used for controlling an alarm device to give an alarm.
8. The system of claim 7, wherein the detection signals comprise a water level detection signal and a battery backup power signal, and the main control board is configured to:
acquiring the water level detection signal and the electric quantity signal of the standby battery;
judging whether the water level detection signal is smaller than a third preset threshold value and/or whether the standby battery electric quantity signal is smaller than a fourth preset threshold value;
and if so, generating the alarm control signal.
9. The system of claim 1, wherein the system connection cable comprises a glass fiber tube, and/or a teflon flame retardant wire.
10. A battery changing cabinet is characterized by comprising:
the system of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121793051.6U CN217366955U (en) | 2021-08-03 | 2021-08-03 | Fire extinguishing system of power changing cabinet and power changing cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121793051.6U CN217366955U (en) | 2021-08-03 | 2021-08-03 | Fire extinguishing system of power changing cabinet and power changing cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217366955U true CN217366955U (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121793051.6U Active CN217366955U (en) | 2021-08-03 | 2021-08-03 | Fire extinguishing system of power changing cabinet and power changing cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217366955U (en) |
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2021
- 2021-08-03 CN CN202121793051.6U patent/CN217366955U/en active Active
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Fire protection system and battery swapping cabinet Effective date of registration: 20231214 Granted publication date: 20220906 Pledgee: Bank of Hankou Limited by Share Ltd. Yichang branch Pledgor: Hubei and Andun Fire Technology Co.,Ltd. Registration number: Y2023980071183 |