Disclosure of utility model
The utility model aims to provide a water-cooling energy-storage liquid-cooling air-conditioning system capable of improving energy efficiency so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a water-cooled energy-storage liquid-cooled air conditioning system capable of improving energy efficiency, comprising: a refrigeration compressor, a chilled water pump, and a cooling water pump;
The air outlet of the refrigeration compressor is provided with a plurality of copper connection refrigerant pipes, one end of each copper connection refrigerant pipe is provided with a condenser, the liquid outlet of each condenser is communicated with an evaporator, and the air outlet of each evaporator is communicated with the air inlet of the refrigeration compressor;
The water outlet of the chilled water pump is communicated with the liquid inlet of the evaporator, the liquid outlet of the evaporator is communicated with a pipeline electric heater through a stainless steel connecting water pipe and a three-way pipe A, the water outlet of the pipeline electric heater is communicated with a battery cluster, and the water outlet of the battery cluster is communicated with the water inlet of the chilled water pump through a three-way pipe B;
The water outlet of the cooling water pump is communicated with the water inlet of the condenser through a three-way pipe C, the water outlet of the condenser is communicated with an aluminum fin copper pipe type radiator through a three-way pipe D, a cooling fan is arranged on one side of the aluminum fin copper pipe type radiator, and the water outlet of the aluminum fin copper pipe type radiator is communicated with the water inlet of the cooling water pump.
Preferably, a throttling electronic expansion valve is fixedly arranged on a liquid outlet pipeline of the condenser.
Preferably, a low pressure sensor, a compressor suction temperature sensor, a compressor discharge temperature sensor and a high pressure sensor are fixedly arranged on the connecting pipeline of the refrigeration compressor respectively.
Preferably, a chilled water supplementing port is arranged on a water inlet pipeline of the chilled water pump, a water outlet temperature sensor is fixedly arranged on the water inlet pipeline of the chilled water pump, and a water inlet temperature sensor is fixedly arranged on a water outlet pipeline of the cooling water pump.
Preferably, a cooling water supplementing port is arranged on a water inlet pipeline of the cooling water pump.
Preferably, the battery cluster is composed of eight PACK packets, and a plurality of battery cells are arranged in the PACK packets.
Preferably, an ambient temperature sensor is provided outside the cooling fan.
In summary, the present application includes at least one of the following beneficial technical effects:
The water-cooling energy-storage liquid-cooling air-conditioning system capable of improving energy efficiency can accurately control the cooling water temperature of the battery, the battery is mainly cooled by air-conditioning refrigeration water in summer, a cooling water flow path can be changed in winter, natural cooling water is used for cooling the new energy battery, forced convection is carried out on cooling water by the aluminum fin tube type heat exchanger and the cooling fan, and the cooling water is used for cooling the battery, so that the cooling system of the air-conditioning compressor can be selected to be inoperative, power consumption is reduced, and the service life of equipment is prolonged.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the present utility model provides a technical solution: a water-cooled energy-storage liquid-cooled air conditioning system capable of improving energy efficiency, comprising: a refrigeration compressor 1, a chilled water pump 6 and a cooling water pump 14.
In one embodiment, in order to make the high-temperature high-pressure refrigerant gas discharged from the outlet of the a1 of the refrigeration compressor 1 enter the condenser 3 through the a2 pipeline to perform condensation heat release after passing through a plurality of copper connection refrigerant pipes 2, and form a high-pressure liquid refrigerant after the condensation heat release, the condensed liquid refrigerant flows out through the a2 pipeline and is depressurized into a low-temperature low-pressure liquid refrigerant through the a4 pipeline, the low-temperature low-pressure liquid refrigerant enters the evaporator 5 through the a5 pipeline and the a6 pipeline to perform evaporation heat absorption, and can be converted into a low-temperature low-pressure gas refrigerant after the evaporation heat absorption, so that refrigeration is realized, and the evaporated low-temperature low-pressure gas refrigerant enters the refrigeration compressor 1 again through the a7 pipeline and the a8 pipeline to be compressed, so that refrigeration cycle is realized; the gas outlet of the refrigeration compressor 1 is provided with a plurality of copper connection refrigerant pipes 2, one ends of the plurality of copper connection refrigerant pipes 2 are provided with condensers 3, liquid outlets of the condensers 3 are communicated with evaporators 5, and gas outlets of the evaporators 5 are communicated with the gas inlet of the refrigeration compressor 1.
In one embodiment, in order to start the chilled water pump 6, chilled water can enter the chilled water pump 6 through the b8 inlet and be pressurized and then discharged from the b1 outlet, so that chilled water can enter the evaporator 5 through the b2 pipeline to exchange heat with low-temperature refrigerant, the low-temperature chilled water after heat exchange can enter the three-way pipe A8 through the b3 pipeline and enter the pipeline electric heater 9 through the b4 pipeline, the pipeline electric heater 9 can be started to heat or not heat according to the water temperature, and the low-temperature chilled water can cool the new energy storage battery after entering the battery cluster 10 through the b5 pipeline and the b6 pipeline, and the warmed chilled water can enter the chilled water pump 6 through the b7 pipeline to be pressurized and circulated; the water outlet of the chilled water pump 6 is communicated with the liquid inlet of the evaporator 5, the liquid outlet of the evaporator 5 is communicated with a pipeline electric heater 9 through a stainless steel connecting water pipe 7 and a three-way pipe A8, the water outlet of the pipeline electric heater 9 is communicated with a battery cluster 10, and the water outlet of the battery cluster 10 is communicated with the water inlet of the chilled water pump 6 through a three-way pipe B13.
In one embodiment, after cooling water enters the cooling water pump 14 through the c6 inlet and is pressurized, the cooling water can enter the condenser 3 from the c2 pipeline to exchange heat with the high-temperature refrigerant, so that the high-temperature cooling water can enter the aluminum fin copper tube heat exchanger 18 through the c3 pipeline and the c4 pipeline to cool, the cooling fan 19 rotates to enable the high-temperature cooling water in the aluminum fin copper tube heat exchanger 18 to exchange heat with air with lower surrounding environment in a convection way, the temperature of the high-temperature cooling water is reduced, the condensing pressure of the refrigerant in the condenser 3 can be reduced after the temperature of the high-temperature cooling water is reduced, the refrigerating capacity is increased, the operation energy efficiency of a refrigerating system is improved, and the cooled cooling water can enter the cooling water pump 14 again to be pressurized and circulated; the water outlet of the cooling water pump 14 is communicated with the water inlet of the condenser 3 through a three-way pipe C15, the water outlet of the condenser 3 is communicated with an aluminum fin copper pipe type radiator 18 through a three-way pipe D16, a cooling fan 19 is arranged on one side of the aluminum fin copper pipe type radiator 18, and the water outlet of the aluminum fin copper pipe type radiator 18 is communicated with the water inlet of the cooling water pump 14.
In one embodiment, when natural cooling circulation is needed, cooling water enters a normally closed electromagnetic valve A20 under the action of a cooling water pump 14, at this time, the normally closed electromagnetic valve A20 is electrified and opened, the water path is circulated, after the cooling water enters a pipeline electric heater 9, the pipeline electric heater 9 can be selectively started to heat or not heat according to the water temperature, after low-temperature cooling water enters a battery cluster 10, new energy storage batteries can be cooled, after the warmed cooling water enters a normally closed electromagnetic valve B21, at this time, the normally closed electromagnetic valve B21 is electrified and opened, the water path is circulated, so that the cooling water enters an aluminum fin copper pipe type heat exchanger 18 to cool, and the cooled cooling water is pressurized and circulated under the action of the cooling water pump 14; in addition, neither the refrigerant water pump 6 nor the refrigerant compressor 1 is operated in this process.
It should be noted that: normally closed solenoid valve A20 is disposed between tee A8 and tee C15, and normally closed solenoid valve B21 is disposed between tee B13 and tee D16.
In one embodiment, in order to enable the high-pressure liquid refrigerant flowing out of the condenser 3 to be throttled and depressurized into a low-temperature low-pressure liquid refrigerant, so that the evaporator 5 can absorb heat by evaporation of the low-temperature low-pressure liquid refrigerant, and a throttling electronic expansion valve 4 is fixedly arranged on a liquid outlet pipeline of the condenser 3.
In one embodiment, in order to facilitate determining the opening of the throttling electronic expansion valve 4 according to the detection value of the sensor, thereby controlling the flow rate of the refrigerant, and also in order to be able to adjust the rotation speed of the refrigeration compressor 1 according to the detection value of the sensor, thereby ensuring the efficient operation of the refrigeration system; the connecting pipes of the refrigeration compressor 1 are fixedly provided with a low pressure sensor 27, a compressor suction temperature sensor 28, a compressor discharge temperature sensor 25 and a high pressure sensor 26 respectively.
In one embodiment, in order to facilitate the replenishment when the chilled water is low, a chilled water replenishment port 12 is provided on the water intake pipe of the chilled water pump 6; in order to control the start and stop of the refrigeration compressor 1 and the rotation speeds of the chilled water pump 6 and the cooling water pump 14 according to the detection value of the sensor, a water outlet temperature sensor 23 is fixedly arranged on a water inlet pipeline of the chilled water pump 6, and a water inlet temperature sensor 22 is fixedly arranged on a water outlet pipeline of the cooling water pump 14; in order to facilitate the replenishment when the cooling water is low, a cooling water replenishment port 17 is provided in the water intake pipe of the cooling water pump 14.
In one embodiment, in order to cool the cooling water by cooling the battery cells 11, the battery cluster 10 is composed of eight PACK packets, and a plurality of battery cells 11 are arranged inside the PACK packets.
In one embodiment, to facilitate detection of the operating ambient temperature of the device, an ambient temperature sensor 24 is provided external to the cooling fan 19.
According to the technical scheme, the working steps of the scheme are summarized and carded: when natural cooling circulation is carried out, cooling water enters a normally closed electromagnetic valve A20 under the action of a cooling water pump 14, at the moment, the normally closed electromagnetic valve 1 is electrified and opened, the water path of the section circulates, after the cooling water enters a pipeline electric heater 9, the pipeline electric heater 9 can be selectively opened for heating or not heating according to the water temperature, low-temperature cooling water enters a battery cluster 10 and then can cool a new energy storage battery, warmed cooling water enters a normally closed electromagnetic valve B21, at the moment, the normally closed electromagnetic valve B21 is electrified and opened, the water path of the section circulates, so that the cooling water can enter an aluminum fin copper pipe type heat exchanger 18 for cooling, in the process, after a cooling fan 19 is started, high-temperature cooling water in the 18 aluminum fin copper pipe type heat exchanger exchanges heat with lower air of the surrounding environment in a convection way, the temperature of the high-temperature cooling water is reduced, and after the temperature of the high-temperature cooling water is reduced, the refrigerant condensing pressure in a condenser 3 can be reduced, so that the refrigerating capacity is increased, and the running energy efficiency of a refrigerating system is improved; finally, the cooled cooling water can be pressurized and circulated under the action of the cooling water pump 14; in addition, in the process, the refrigerant water pump 6 and the refrigeration compressor 1 do not operate, so that the energy-saving and high-efficiency effects are achieved.
None of the utility models are related to the same or are capable of being practiced in the prior art. Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.