CN211625562U - Air-conditioning fire-fighting system - Google Patents
Air-conditioning fire-fighting system Download PDFInfo
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- CN211625562U CN211625562U CN202020297988.3U CN202020297988U CN211625562U CN 211625562 U CN211625562 U CN 211625562U CN 202020297988 U CN202020297988 U CN 202020297988U CN 211625562 U CN211625562 U CN 211625562U
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Abstract
The application provides an air-conditioning fire-fighting system, which comprises air-conditioning equipment and fire-fighting equipment. Air conditioning equipment is used to regulate the ambient temperature of a service space. The fire fighting equipment includes a fire fighting water pipe, wherein the fire fighting water pipe is connected to the air conditioning equipment to lead out fire fighting water of the fire fighting equipment from the air conditioning equipment.
Description
Technical Field
The utility model relates to a fire control technique especially relates to an air conditioner and fire control combined system.
Background
Lithium ion batteries have the advantages of high operating voltage, high energy density, high specific capacity, long cycle life, fast response speed, and the like, and therefore, lithium batteries are beginning to be widely applied to the field of energy storage. In the storage process of lithium batteries, the following hidden dangers influencing the performance of the lithium batteries and the safety of an energy storage power station exist:
(1) the output performance of the lithium battery at low temperature may be greatly reduced. Particularly, in a lithium battery using lithium iron phosphate, the lithium iron phosphate has low conductivity, poor lithium ion diffusivity and poor conductivity at low temperature, so that the internal resistance of the lithium battery is increased, and the charging and discharging of the battery are hindered, so that the working performance of the lithium battery at low temperature is not ideal. At low temperatures below-20 ℃, the performance of lithium batteries deteriorates significantly, and at-40 ℃ the output of lithium batteries is less than 30% of the rated capacity.
(2) Lithium batteries present a risk of thermal runaway. The fire typically comes from a single lithium cell, but if the battery pack is improperly designed, the fire can quickly spread from one cell to another, a failure known as thermal runaway. Due to the exothermic accumulation of the chemical reaction of the lithium battery itself or the influence of an external heat source, thermal runaway may occur in any one of the components in the battery module or system, resulting in the escape of flammable gas and resulting in explosion. The general battery management system can collect the voltage, the current and the temperature of each battery cell, and once the temperature is abnormal at the first time, a main circuit of the battery is cut off and an alarm is given. However, for the lithium battery, once the lithium battery is out of control due to heat, the continuous discharge inside the parallel battery module cannot be prevented, and due to the cut-off of the main loop, all energy in the battery module is concentrated in the internal short-circuit battery, and the probability of the out of control due to heat of the lithium battery is increased.
Therefore, the lithium battery energy storage system can be respectively provided with cooling, heating and fire fighting equipment. The cooling and heating system is generally provided with equipment such as forced air cooling, water cooling, electric heating and the like in each single battery box or battery cabinet to maintain the temperature within a better working temperature range of the lithium battery, and is generally controlled between 15 ℃ and 35 ℃. In the aspect of the fire-fighting equipment, unified lithium battery fire-fighting specifications do not exist at present domestically, some lithium battery energy storage systems adopt hand-held fire extinguishers, and some lithium battery energy storage systems arranged in a container or a room adopt a gas fire extinguishing system with a fully submerged pipe network, and fire extinguishing media are heptafluoropropane. However, from the fire and combustion accidents of the lithium battery energy storage system disclosed and reported at present, no matter the application scene of the lithium battery is an electric automobile or an energy storage power station, once the lithium battery is on fire, rapid combustion and a large amount of heat cause chain reaction, and gas extinguishment is difficult to cool the battery on fire in a short time.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to the defect among the prior art, provide an air conditioner fire extinguishing system.
In order to solve the technical problem, the utility model provides an air conditioner fire extinguishing system, including air conditioning equipment and fire fighting equipment. Air conditioning equipment is used to regulate the ambient temperature of a service space. The fire fighting equipment includes a fire fighting water pipe, wherein the fire fighting water pipe is connected to the air conditioning equipment to lead out fire fighting water of the fire fighting equipment from the air conditioning equipment.
In an embodiment of the present invention, the air conditioning apparatus includes a main unit and a cold and hot water circulating device. The main machine comprises a compressor, an evaporator and a condenser. The cold and hot water circulating device comprises a cold and hot water pipeline which is connected to the evaporator.
In an embodiment of the present invention, the fire-fighting water pipeline is connected to the cold and hot water circulating device.
In another embodiment of the present invention, the air conditioning apparatus further includes a cooling water circulating device, and the fire fighting water pipe is connected to the cooling water circulating device.
The utility model discloses an in the embodiment, air conditioner fire extinguishing system still includes the steady voltage expansion vessel, the capacity of steady voltage expansion vessel is not less than the fire-fighting water's that fire-fighting equipment is used for putting out a fire regulation volume.
In an embodiment of the present invention, the fire fighting equipment further comprises a valve disposed on the fire fighting water pipeline.
In an embodiment of the present invention, the fire fighting equipment further includes a plurality of spray pipes and a plurality of sprayers. A plurality of shower pipes are connected to the fire-fighting water pipe. The plurality of sprayers are respectively and correspondingly arranged at the tail ends of the plurality of sprayers.
The utility model discloses an in the embodiment, fire-fighting equipment still includes a plurality of control valves, locates respectively correspondingly on a plurality of shower.
Compared with the prior art, the utility model provides a pair of air conditioner fire extinguishing system will cool off, heat and fire-fighting equipment and close as an organic whole, has following advantage:
(1) the fire-fighting water is taken from the circulating water in the air conditioner, and the system has simple structure and low manufacturing cost.
(2) The energy efficiency ratio of the water-cooled air conditioning equipment is higher than that of air cooling and the running cost is lower.
(3) For gaseous putting out a fire, the water-cooling security level of reply extreme condition of catching a fire is high, can eliminate the condition of a fire rapidly, especially takes place the condition of a fire to lithium battery energy storage system, can prevent that the inside chain reaction that produces of group battery from taking place the phenomenon of relighting.
(4) To lithium battery energy storage system, the battery catches fire and belongs to the extreme operating mode of minimum probability, if it adopts conventional water spray fire-fighting equipment, this type of fire-fighting equipment comprises fire-fighting water pond (case), steady voltage water tank and fire pump etc. and fire-fighting equipment need not the function during normal operating, consequently need regularly to test and maintain fire-fighting equipment, guarantees fire-fighting equipment's availability. And the utility model provides an air conditioner fire extinguishing system unites two into one air conditioner and fire control, and air conditioning system is in running state always, and usability is high, and it is little to synthesize maintenance work load.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the principle of the invention. In the drawings:
fig. 1 is a schematic structural diagram of an air-conditioning fire-fighting system according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an air conditioning apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited by the specific embodiments disclosed below.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
As used in this application and the appended claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are intended to be inclusive in the plural unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that steps and elements are included which are explicitly identified, that the steps and elements do not form an exclusive list, and that a method or apparatus may include other steps or elements.
It will be understood that when an element is referred to as being "on," "connected to," "coupled to" or "contacting" another element, it can be directly on, connected or coupled to, or contacting the other element or intervening elements may be present. In contrast, when an element is referred to as being "directly on," "directly connected to," "directly coupled to" or "directly contacting" another element, there are no intervening elements present.
Fig. 1 is a schematic structural diagram of an air-conditioning fire-fighting system according to an embodiment of the present invention. As shown in fig. 1, the application scenario of the air-conditioning fire-fighting system 1 in the present embodiment is a lithium battery energy storage device 2. The lithium battery energy storage device 2 may include a plurality of battery holders 21. One or more battery packs may be placed on each battery holder 21. In some other embodiments, the air-conditioning fire fighting system 1 can be applied to other scenes needing to be equipped with temperature adjusting equipment and fire fighting measures. The air-conditioning fire protection system 1 may include an air-conditioning apparatus 10, a fire protection apparatus 11, and a surge tank 12.
Fig. 1 shows a partial structure of an air conditioning apparatus 10: a main unit 13, a cold and hot water pipe 141, and an air conditioning terminal (water/air heat exchanger) 143. The air conditioning device 10 is configured to adjust an ambient temperature of a service space, and in this embodiment, the air conditioning device 10 is capable of adjusting a temperature of a space where the lithium battery energy storage device 2 is located, so as to adjust a temperature of a battery pack on a battery rack 21 of the lithium battery energy storage device 2, maintain the temperature in a working temperature range with good lithium battery performance, and generally control the temperature of the space where the lithium battery energy storage device is located between 15 ℃ and 35 ℃. In this embodiment, the lithium battery energy storage device 2 is located indoors, and in some other embodiments, the lithium battery energy storage device 2 may be located in a container or in an outdoor open air environment.
As shown in fig. 1, the fire fighting equipment 11 may include a fire fighting water pipe 111, the fire fighting water pipe 111 being connected to the water-cooled air conditioner 10 to lead fire fighting water of the fire fighting equipment 11 out of the air conditioner 10. Fig. 2 is a schematic structural diagram of an air conditioning apparatus according to an embodiment of the present invention. As shown in fig. 1 and 2, the air conditioner 10 in the present embodiment is a water cooling and heating unit type air conditioner, and the fire fighting water pipe 111 is connected to a water cooling and heating pipe 141 of the air conditioner 10, and fire fighting water is led out from the water cooling and heating pipe 141. In another embodiment of the present invention, the fire service water pipe 111 may be connected to the cooling water pipe 151 of the cooling water circulation device 15 of the air conditioner 10 to draw fire service water from the cooling water pipe 151. In some other embodiments, the type of the air conditioner 10 and the water intake point of the fire fighting water pipe 111 are not limited, for example, the air conditioner 10 may be an air-cooled air conditioner, and the fire fighting water pipe 111 may be connected to a hot and cold water system of the air-cooled air conditioner 10.
As shown in fig. 2, the air conditioning apparatus 10 in the present embodiment may include a main machine 13, a hot and cold water circulating device 14, and a cooling water circulating device 15. The expansion tank 12 is connected to the air conditioning unit 10, and is used to balance the internal water volume and pressure of the air conditioning unit 10, and to ensure sufficient static pressure at the inlet of the circulating water pump, so as to prevent cavitation of the water pump. The interior of the surge tank 12 may include an air bag, which may contain a gas, typically nitrogen, and a quantity of water.
The host 13 may include a compressor 131, an evaporator 132, and a condenser 133. The evaporator 132 contains a refrigerant therein, the evaporator 132 is connected to the compressor 131 and the condenser 133 through a refrigerant pipe 134, and the compressor 131 is connected to the condenser 133 through a refrigerant pipe 134. The main unit 13 may further include a four-way valve 135 for changing a flow direction of the refrigerant in the refrigerant pipe 134. The four-way valve 135 may be provided on a refrigerant pipe 134 connecting the compressor 131 and the evaporator 132.
The hot and cold water circulating device 14 may include a hot and cold water pipe 141, a hot and cold water pump 142, and an air conditioning terminal 143, and the hot and cold water pipe 141 is connected to the evaporator 132 and the air conditioning terminal 143. The cold and hot water pump 142 is disposed between the air conditioner terminal 143 and the cold and hot water pipe 141. The air conditioning terminal 143 may be placed in an environment where temperature regulation is required for wind-water heat exchange.
The cooling water circulation device 15 may include a cooling water pipe 151 and a cooling water tower 152, and the cooling water pipe 151 is connected to the condenser 133 and the cooling water tower 152. The cooling water tower 152 is used to exchange heat between the cooling water and the atmosphere.
In the present embodiment, the compressor 131 in fig. 2 is a screw compressor. In some other embodiments, the air conditioning unit 10 may be matched to various types of chiller/heater units (e.g., heat pump, multiple source chiller/heater units, etc.).
The operation of the air conditioner 10 in the present embodiment will be described with reference to fig. 1 and 2. The evaporator 132 contains a refrigerant, typically freon. When the required ambient temperature of the lithium battery energy storage device 2 is lower than the actual ambient temperature and the air conditioning device 10 needs to perform cooling operation, the refrigerant absorbs the heat of the water in the cold and hot water pipeline 141 in the evaporator 132 and is vaporized into steam, the cooled water is pressurized by the cold and hot water pump 142 and is sent into the cold and hot water pipe 141 and enters the air conditioning terminal 143 for heat exchange, and the temperature of the arrangement space where the lithium battery energy storage device 2 is located is reduced. The compressor 131 draws a low-pressure gaseous refrigerant from the evaporator 132 and compresses the refrigerant. The compressed high-temperature and high-pressure gaseous refrigerant is sent to the condenser 133 through the refrigerant pipeline 134 to be condensed, the refrigerant releases a large amount of heat energy in the condensation process, the heat energy is absorbed by the cooling water in the condenser 133, the cooling water enters the cooling water tower 152 through the cooling water pipeline 151 and exchanges heat with the atmosphere, and the cooled cooling water is sent back to the condenser 133 through the cooling water pipeline 151. The condensed refrigerant is in a high pressure liquid state, and the condenser 133 returns the refrigerant to the evaporator 132 through a refrigerant pipe 134, where the refrigerant pipe 134 may be connected with a throttle pressure reducing device 135 between the condenser 133 and the evaporator 132 for reducing the pressure of the refrigerant. The refrigerant is decompressed and vaporized, and enters the evaporator 132 again to cool the water in the cold and hot water pipeline 141, and the above steps are repeated.
When the required ambient temperature of the lithium battery energy storage device 2 needs to be higher than the actual ambient temperature, and the air conditioning device 10 needs to perform heating operation, the air conditioning device 10 changes the flow direction of the refrigerant through the four-way valve 135, the flow direction of the refrigerant is opposite to that during refrigeration, and the water in the cold and hot water pipe 141 is heated and then exchanges heat with the cold air in the environment where the lithium battery energy storage device 2 is located through the air conditioner terminal 143.
As shown in fig. 1, the fire fighting water pipe 111 of the fire fighting equipment 11 is connected to the cold and hot water pipe 141 of the cold and hot water circulating device 14 in the present embodiment to lead fire fighting water of the fire fighting equipment 11 out of the cold and hot water pipe 141. In some other embodiments, the fire fighting equipment 11 may take water from another water source of the air conditioning equipment 10, such as the fire fighting water pipe 111 connected to the cooling water pipe 151 of the cooling water circulating device 15 to draw fire fighting water from the cooling water pipe 151. The fire apparatus 11 further includes a valve 112, a plurality of showers 113, a plurality of sprinklers 114, and a plurality of control valves 115. A valve 112 is provided on the fire fighting pipe 111 for controlling the intake of water from the air conditioning unit 11 by the fire fighting unit 11. A plurality of shower pipes 113 are connected to the fire-fighting water pipe 111 for delivering fire-fighting water to different areas in a space where the fire-fighting water pipe 111 is arranged. The sprinklers 114 are respectively provided at the ends of the shower pipes 113 to expand the spray area of the fire water flowing out of the shower pipes 113. The control valves 115 are respectively and correspondingly arranged on the spray pipes 113 and can be used for controlling the water outlet flow of fire water. In this embodiment, the spraying pipes 113 are disposed above the corresponding battery packs 21, and when fire is extinguished, the control valves 115 on the spraying pipes 113 corresponding to the battery packs 21 on fire are controlled to be opened according to the control logic, so as to extinguish fire, thereby reducing the waste of fire water and reducing the damage to the battery caused by unnecessary spraying on the battery packs 21 which are not on fire normally.
When the lithium battery energy storage device 2 is out of control due to thermal runaway to cause fire, the fire fighting device 11 takes corresponding fire fighting measures, the fire fighting device 11 starts to cancel water proofing from the air conditioning device by opening the valve 112, and fire fighting water enters the plurality of spray pipes 113 through the fire fighting water pipeline 111 and is sprayed to the area where the fire occurs through the sprayer 114. The water quantity and pressure inside the air conditioner 10 change due to the water taken by the fire fighting equipment 11, and the pressure stabilizing expansion tank 12 performs constant pressure water supplement on the cold and hot water equipment 10. In order to ensure the normal operation of the air conditioning equipment 10, the capacity of the surge tank 12 is not less than the specified volume of fire water used by the fire fighting equipment for fire fighting, which depends on factors such as the area of the fire place and the nature of the stored objects.
The utility model discloses a lead from idle call water pipeling with fire-fighting water pipeling, provide an air conditioner fire extinguishing system, to for example need operation such as lithium cell energy storage system can not only carry out temperature regulation to this place in the place of stabilizing the operating temperature environment and having the fire control hidden danger, can also rapidly control the condition of a fire when meetting extreme condition of a fire, reduce the loss. Compared with the prior art, the utility model discloses an air conditioner fire extinguishing system has following advantage:
(1) the fire-fighting water is taken from the circulating water in the air conditioner, and the system has simple structure and low manufacturing cost.
(2) The energy efficiency ratio of the water-cooled air conditioning equipment is higher than that of air cooling and the running cost is lower.
(3) For gaseous putting out a fire, the water-cooling security level of reply extreme condition of catching a fire is high, can eliminate the condition of a fire rapidly, especially takes place the condition of a fire to lithium battery energy storage system, can prevent that the inside chain reaction that produces of group battery from taking place the phenomenon of relighting.
To lithium battery energy storage system, the battery catches fire and belongs to the extreme operating mode of minimum probability, if it adopts conventional water spray fire-fighting equipment, this type of fire-fighting equipment comprises fire-fighting water pond (case), steady voltage water tank and fire pump etc. and fire-fighting equipment need not the function during normal operating, consequently need regularly to test and maintain fire-fighting equipment, guarantees fire-fighting equipment's availability. And the utility model provides an air conditioner fire extinguishing system unites two into one air conditioner and fire control, and air conditioning system is in running state always, and usability is high, and it is little to synthesize maintenance work load.
Having thus described the basic concept, it will be apparent to those skilled in the art that the foregoing disclosure is by way of example only, and is not intended to limit the present application. Various modifications, improvements and adaptations to the present application may occur to those skilled in the art, although not explicitly described herein. Such modifications, improvements and adaptations are proposed in the present application and thus fall within the spirit and scope of the exemplary embodiments of the present application.
This application uses specific words to describe embodiments of the application. Reference throughout this specification to "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic described in connection with at least one embodiment of the present application is included in at least one embodiment of the present application. Therefore, it is emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, some features, structures, or characteristics of one or more embodiments of the present application may be combined as appropriate.
Similarly, it should be noted that in the preceding description of embodiments of the present application, various features are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the embodiments. This method of disclosure, however, is not intended to require more features than are expressly recited in the claims. Indeed, the embodiments may be characterized as having less than all of the features of a single embodiment disclosed above.
Although the present invention has been described with reference to the present specific embodiments, it will be understood by those skilled in the art that the above embodiments are merely illustrative of the present invention, and various equivalent changes and substitutions may be made without departing from the spirit of the present invention, and therefore, changes and modifications to the above embodiments within the spirit of the present invention will fall within the scope of the claims of the present application.
Claims (8)
1. An air conditioning fire protection system, comprising:
an air conditioning device for adjusting an ambient temperature of the service space; and
a fire fighting device including a fire fighting water pipe, wherein the fire fighting water pipe is connected to the air conditioning device to lead fire fighting water of the fire fighting device out of the air conditioning device.
2. The air-conditioning fire fighting system of claim 1, wherein the air-conditioning apparatus comprises:
the main machine comprises a compressor, an evaporator and a condenser;
and the cold and hot water circulating device comprises a cold and hot water pipeline, and the cold and hot water pipeline is connected to the evaporator.
3. The air-conditioning fire fighting system of claim 2, wherein said fire fighting water pipe is connected to said hot and cold water circulating device.
4. The air-conditioning fire fighting system of claim 2, wherein said air-conditioning apparatus further comprises a cooling water circulating device, said fire fighting water pipe being connected to said cooling water circulating device.
5. The air-conditioning fire-fighting system of claim 1, further comprising a surge tank having a capacity not less than a prescribed volume of fire water used by the fire fighting equipment to extinguish a fire.
6. The air conditioning fire protection system of claim 1, wherein the fire fighting equipment further comprises a valve disposed on the fire fighting water conduit.
7. The air-conditioning fire fighting system of claim 6, wherein said fire fighting equipment further comprises:
a plurality of shower pipes connected to the fire water pipe; and
and the sprayers are respectively and correspondingly arranged at the tail ends of the sprayers.
8. The air-conditioning fire fighting system of claim 7, wherein said fire fighting equipment further comprises a plurality of control valves respectively provided on said plurality of showers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020297988.3U CN211625562U (en) | 2020-03-11 | 2020-03-11 | Air-conditioning fire-fighting system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020297988.3U CN211625562U (en) | 2020-03-11 | 2020-03-11 | Air-conditioning fire-fighting system |
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| CN211625562U true CN211625562U (en) | 2020-10-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390137A (en) * | 2020-03-11 | 2021-09-14 | 上海申能新动力储能研发有限公司 | Air-conditioning fire-fighting system |
| CN114602100A (en) * | 2020-12-04 | 2022-06-10 | 国网山东省电力公司检修公司 | Fire-fighting medium continuous supply method and system for field fire research and judgment |
-
2020
- 2020-03-11 CN CN202020297988.3U patent/CN211625562U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113390137A (en) * | 2020-03-11 | 2021-09-14 | 上海申能新动力储能研发有限公司 | Air-conditioning fire-fighting system |
| CN114602100A (en) * | 2020-12-04 | 2022-06-10 | 国网山东省电力公司检修公司 | Fire-fighting medium continuous supply method and system for field fire research and judgment |
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