CN215810388U - Millet electricity energy storage circulation system - Google Patents
Millet electricity energy storage circulation system Download PDFInfo
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- CN215810388U CN215810388U CN202121790814.1U CN202121790814U CN215810388U CN 215810388 U CN215810388 U CN 215810388U CN 202121790814 U CN202121790814 U CN 202121790814U CN 215810388 U CN215810388 U CN 215810388U
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/14—Thermal energy storage
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Abstract
The utility model relates to a valley electricity energy storage circulating system, which comprises a first evaporator, a cold storage tank, a liquid storage tank, an indoor unit and a control device, wherein the first evaporator is connected with the cold storage tank; during cold storage, the liquid storage tank, the first evaporator and the cold storage tank are sequentially communicated through a cold storage loop for cold storage, and a cold storage proportional valve, a first power device and a first control valve which are in communication connection with the control device are arranged on the cold storage loop; when cold is sent, the cold storage tank, the indoor unit and the liquid storage tank are sequentially communicated through a cold sending loop for cold sending, and the cold sending loop is provided with a cold sending proportional valve, a second power device and a second control valve which are in communication connection with the control device; during refrigeration, the second evaporator is communicated with the indoor unit through a refrigeration loop; during the operation of valley electricity, this valley electricity energy storage circulation system makes the liquid of liquid reserve tank form the cryogenic fluid after first evaporimeter refrigeration, realizes storing up cold with the cryogenic fluid storage in storing up the cold box, and during the operation of peak electricity, carry the cryogenic fluid of storage in storing up the cold box to the indoor set in order to realize sending cold to reduce the power consumption cost.
Description
Technical Field
The utility model relates to the technical field of indoor units, in particular to a valley electricity energy storage circulating system.
Background
At present, the electricity consumption time period is mainly divided into a peak time period, a flat time period and a valley time period, the electricity consumption price is sequentially reduced along with the peak time period, the flat time period and the valley time period, and the electricity cost of the air-conditioning refrigeration system in the prior art is high when the air-conditioning refrigeration system is started in the electricity consumption stage.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a valley power energy storage circulating system to solve the problem that the power utilization cost is high when an air conditioner is started in three power utilization stages in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a valley power energy storage circulating system which comprises a first evaporator, a cold storage box, a liquid storage box, an indoor machine and a control device, wherein the first evaporator is connected with the cold storage box; during cold storage, the liquid storage tank, the first evaporator and the cold storage tank are sequentially communicated through a cold storage loop for cold storage, and a cold storage proportional valve, a first power device and a first control valve which are in communication connection with the control device are arranged on the cold storage loop; and during cold conveying, the cold storage tank, the indoor unit and the liquid storage tank are sequentially communicated through a cold conveying loop for cold conveying, and the cold conveying loop is provided with a cold conveying proportional valve, a second power device and a second control valve which are in communication connection with the control device.
Preferably, the cold storage circuit includes a first flow path and a second flow path; the first flow path is sequentially provided with a cold storage proportional valve, a first power device and a first control valve;
during cold storage, liquid in the liquid storage box flows into the first evaporator through the second flow path, the liquid flowing into the first evaporator forms refrigerating fluid after being refrigerated by the first evaporator, and the refrigerating fluid in the first evaporator flows into the cold storage box through the first flow path to form the cold storage loop.
Preferably, the cold supply loop includes a third flow path and a fourth flow path, one end of the third flow path is connected to the first flow path, the other end of the third flow path is connected to the indoor unit, and a second control valve and a second power device are sequentially disposed on the third flow path; one end of the fourth flow path is connected with the second flow path, the other end of the fourth flow path is connected with the indoor unit, and a pipeline for communicating the third flow path and the fourth flow path is provided with the cold supply proportional valve;
during cold sending, refrigerating fluid in the cold storage box sequentially flows into the indoor unit through the first flow path and the third flow path to supply cold to the indoor unit, and the liquid after the cold supply in the indoor unit is completed sequentially flows into the liquid storage box sequentially through the fourth flow path and the second flow path to form the cold sending loop.
Preferably, the valley electricity energy storage cycle system further comprises a second evaporator communicated with the indoor unit through a refrigeration loop, the refrigeration loop comprises a fifth flow path and a sixth flow path, the second evaporator is communicated with the third flow path through the fifth flow path and is communicated with the fourth flow path through the sixth flow path, and a third control valve in communication connection with the control device is arranged on the fifth flow path;
during refrigeration, liquid flowing out of the indoor unit sequentially flows into the second evaporator through the fourth flow path and the sixth flow path, and the liquid cooled by the second evaporator sequentially flows into the indoor unit through the fifth flow path and the third flow path to form a refrigeration loop so as to realize refrigeration.
Preferably, the first power device and the second power device are both transfer pumps.
Preferably, the control device is a microcomputer control panel.
Preferably, a first temperature sensing head is arranged on the first flow path, and the first temperature sensing head is in communication connection with the control device.
Preferably, a second temperature sensing head is arranged on the third flow path, and the second temperature sensing head is in communication connection with the control device.
The technical scheme provided by the embodiment of the utility model has the beneficial effects that at least:
the utility model provides a valley electricity energy storage circulating system which comprises a first evaporator, a cold storage box, a liquid storage box, an indoor machine and a control device, wherein the first evaporator is connected with the cold storage box; during cold storage, the liquid storage tank, the first evaporator and the cold storage tank are sequentially communicated through a cold storage loop for cold storage, and a cold storage proportional valve, a first power device and a first control valve which are in communication connection with the control device are arranged on the cold storage loop; when cold is sent, the cold storage tank, the indoor unit and the liquid storage tank are sequentially communicated through a cold sending loop for cold sending, and the cold sending loop is provided with a cold sending proportional valve, a second power device and a second control valve which are in communication connection with the control device; the second evaporator is communicated with the indoor unit through a refrigeration loop during refrigeration; during the off-peak electricity operation time period, this off-peak electricity energy storage circulation system makes the liquid of liquid reserve tank form the cryogenic fluid after first evaporimeter refrigeration, again with the cryogenic fluid storage in order to realize storing up cold in the cold storage box, during the peak electricity operation time period, carries the cryogenic fluid of storage in the cold storage box to the indoor set in order to realize sending cold to reach the mesh that reduces the power consumption cost.
In addition to the technical problems solved by the present invention, the technical features constituting the technical solutions, and the advantages brought by the technical features of the technical solutions described above, other technical problems solved by the valley power energy storage circulation system provided by the present invention, other technical features included in the technical solutions, and advantages brought by the technical features will be further described in detail in specific embodiments.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a block flow diagram of a valley power energy storage circulation system according to an embodiment of the present invention.
Description of reference numerals:
1-a first evaporator; 2-a cold storage box; 3-a liquid storage tank; 4-an indoor unit; 5-a control device;
61-a first flow path; 62-a second flow path; 63-a cold storage proportional valve, 64-a first power device; 65-a first control valve;
71-a third flow path; 72-fourth flow path; 73-a cold-feeding proportional valve; 74-a second power plant; 75-a second control valve;
8-a second evaporator;
91-fifth flow path; 92-sixth flow path; 93-a third control valve;
10-a first temperature sensing head;
11-a second temperature sensing head.
Detailed Description
The embodiments or implementation schemes are described in a progressive mode in the specification, each embodiment focuses on differences from other embodiments, and the same parts and the similar parts among the embodiments are referred to each other.
In the description of the present specification, reference to the description of the terms "one embodiment", "some embodiments", "an illustrative embodiment", "an example", "a specific example", or "some examples", etc., means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the fuel tank of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
At present, the electricity utilization time interval is mainly divided into a peak time interval, a flat time interval and a valley time interval, the electricity utilization price is sequentially reduced along with the peak time interval, the flat time interval and the valley time interval, and when an air-conditioning refrigeration system in the prior art is started in the electricity utilization stage, the electricity utilization cost is high.
In order to solve the problem that the power consumption cost is high when the air conditioner is started in three power consumption stages in the prior art, the embodiment of the utility model provides a valley power energy storage circulating system, as shown in fig. 1, the valley power energy storage circulating system comprises a first evaporator 1, a cold storage tank 2, a liquid storage tank 3, an indoor unit 4 and a control device 5; during cold storage, the liquid storage tank 3, the first evaporator 1 and the cold storage tank 2 are sequentially communicated through a cold storage loop for cold storage, and the cold storage loop is provided with a cold storage proportional valve 63, a first power device 64 and a first control valve 65 which are in communication connection with the control device 5; during cold sending, the cold storage tank 2, the indoor unit 4 and the liquid storage tank 3 are sequentially communicated through a cold sending loop for cold sending, and the cold sending loop is provided with a cold sending proportional valve 73, a second power device 74 and a second control valve 75 which are in communication connection with the control device 5. The off-peak electricity energy storage circulating system can store the refrigerating fluid in the off-peak electricity operation time period in the cold storage box 2, and convey the refrigerating fluid stored in the cold storage box 2 to the indoor unit 4 to realize cold conveying in the off-peak electricity operation time period, so that the purpose of reducing the electricity consumption cost is achieved. Wherein, one power device and the second power device 74 are both delivery pumps, the control device 5 can be a microcomputer control board, and the liquid medium used by the valley electricity energy storage circulation system provided by the utility model can be preferably water.
In a preferred embodiment, referring to fig. 1, the cold storage circuit includes a first flow path 61 and a second flow path 62; the first flow path 61 is provided with a cold storage proportional valve 63, a first power device 64 and a first control valve 65 in sequence; during cold storage, liquid in the liquid storage tank 3 flows into the first evaporator 1 through the second flow path 62, the liquid flowing into the first evaporator 1 is cooled by the first evaporator 1 to form refrigerating fluid, the refrigerating fluid in the first evaporator 1 flows into the cold storage tank 2 through the first flow path 61 to form a cold storage loop, and specifically, the liquid storage tank 3, the second flow path 62, the first evaporator 1, the first flow path 61 and the cold storage tank 2 are sequentially communicated to form the cold storage loop.
Further, referring to fig. 1, the cooling circuit includes a third flow path 71 and a fourth flow path 72, one end of the third flow path 71 is connected to the first flow path 61, the other end of the third flow path 71 is connected to the indoor unit 4, and a second control valve 75 and a second power unit 74 are provided in this order on the third flow path 71; one end of the fourth flow path 72 is connected to the second flow path 62, the other end of the fourth flow path 72 is connected to the indoor unit 4, and a cooling proportional valve 73 is provided on a pipe that connects the third flow path 71 and the fourth flow path 72; during cooling, the refrigerant in the cooling storage tank 2 flows into the indoor unit 4 through the first flow path 61 and the third flow path 71 in order to supply cooling to the indoor, and the liquid after cooling in the indoor unit 4 flows into the liquid storage tank 3 through the fourth flow path 72 and the second flow path 62 in order to form a cooling circuit.
Furthermore, the valley power energy storage cycle system further comprises a second evaporator 8 communicated with the indoor unit 4 through a refrigeration loop, the refrigeration loop comprises a fifth flow path 91 and a sixth flow path 92, the second evaporator 8 is communicated with the third flow path 71 through the fifth flow path 91 and is communicated with the fourth flow path 72 through the sixth flow path 92, and a third control valve 93 communicated with the control device 5 is arranged on the fifth flow path 91; during cooling, the liquid flowing out of the indoor unit 4 sequentially flows through the fourth flow path 72 and the sixth flow path 92 into the second evaporator 8, and the liquid cooled by the second evaporator 8 sequentially flows through the fifth flow path 91 and the third flow path 71 into the indoor unit 4 to form a cooling circuit, thereby realizing cooling.
In order to realize temperature monitoring, the first flow path 61 is further provided with a first temperature sensing head 10, the first temperature sensing head 10 is in communication connection with the control device 5, the third flow path 71 is further provided with a second temperature sensing head 11, and the second temperature sensing head 11 is in communication connection with the control device 5. The temperature signals are transmitted to the control device 5 through the first temperature sensing head 10 and the second temperature sensing head 11 to realize real-time temperature monitoring, so as to adjust the temperature.
The specific working process of the utility model is as follows: during the off-peak electricity running period, the off-peak electricity energy storage circulation system stores cold, the liquid storage tank 3, the first evaporator 1 and the cold storage tank 2 are sequentially communicated through the cold storage loop for storing cold, specifically, the control device 5 closes the second control valve 75 and the second power device 74 on the third flow path 71, opens the first control valve 65 and the first power device 64 on the first flow path 61, at this time, the liquid in the liquid storage tank 3 flows into the first evaporator 1 through the second flow path 62, the liquid flowing into the first evaporator 1 is refrigerated through the first evaporator 1 to form refrigerating fluid, the refrigerating fluid refrigerated through the first evaporator 1 flows into the cold storage tank 2 through the first power device 64 on the first flow path 61 for storage, and the temperature of the refrigerating fluid in the cold storage tank 2 at this time is about 1 ℃.
When the peak power operation time period is started, the valley power energy storage circulation system sends cold, the cold storage tank 2, the indoor unit 4 and the liquid storage tank 3 are sequentially communicated through a cold sending loop for sending cold, specifically, the control device 5 closes the first control valve 65 and the first power device 64 on the first flow path 61, opens the second control valve 75 and the second power device 74 on the third flow path 71, at this time, the refrigerating fluid in the cold storage tank 2 sequentially flows into the indoor unit 4 through the first flow path 61 and the third flow path 71 to supply cold indoors, the second conveying pump on the third flow path 71 provides conveying power, the fluid after the cold supply in the indoor unit 4 sequentially flows back into the liquid storage tank 3 through the fourth flow path 72 and the second flow path 62, in the cold sending circulation process, if the temperature of the refrigerating fluid detected by the second temperature sensing head 11 is lower than a set value, the control device 5 feeds back to the cold sending proportional valve 73 to control the cold sending valve to be opened, the liquid flowing back into the liquid storage tank 3 is added into the refrigerating liquid in the third flow path 71 through a pipeline between the third flow path 71 and the fourth flow path 72, the temperature of the refrigerating liquid in the third flow path 71 is controlled to be 5-6 ℃, the temperature of the liquid flowing into the indoor unit 4 is controlled to be 5-6 ℃, and the discomfort brought to users due to the fact that the temperature of the indoor unit 4 is too low is reduced.
During the period of flat operation, the first evaporator 1 can be turned on, so that the liquid in the liquid storage tank 3 flows into the indoor unit 4 after passing through the first evaporator 1. If there is surplus refrigerating fluid in the heat-storage tank 2 during the peak-power operation period, the operation may be performed according to the peak-power operation period.
In a possible embodiment, the valley electricity energy storage cycle system further comprises a second evaporator 8 as a spare, when the indoor unit 4 needs to send cold during valley electricity cold storage, the second evaporator 8 is communicated with the indoor unit 4 through a refrigeration circuit, the second evaporator 8 is connected with the third flow path 71 through the fifth flow path 91, and is connected with the fourth flow path 72 through the sixth flow path 92. It can be understood that the liquid flowing out of the indoor unit 4 flows into the sixth flow path 92 through the fourth flow path 72, and finally flows into the second evaporator 8, and the liquid cooled by the second evaporator 8 flows into the indoor unit 4 through the fifth flow path 91 and the third flow path 71 in sequence to achieve cooling.
A control valve is provided in the fifth flow path 91, and the control valve is connected to the control device 5. That is, in the normal operation state of the first evaporator 1, the control device 5 controls the control valve in the fifth flow path 91 to be closed, and does not operate. When the first evaporator 1 is in a condition or maintained, the control device 5 can control the control valve on the fifth flow path 91 to open the flow path, so as to operate the second evaporator 8.
Further, in one possible embodiment, the first control valve 65 may preferably be a first solenoid valve, the second control valve 75 may preferably be a second solenoid valve, and the third control valve 93 may preferably be a third solenoid valve. The first electromagnetic valve is arranged on the first flow path 61, the second electromagnetic valve is arranged on the third flow path 71, the third electromagnetic valve is arranged on the fifth flow path 91, the electromagnetic valves are controlled to be opened and closed through the control device 5, so that liquid is stored in the valley power operation period, the stored liquid is conveyed to the indoor unit 4 to be cooled in the peak power operation period, and the electricity utilization cost is reduced.
In a possible embodiment, the first power device 64 and the second power device 74 are both transfer pumps, wherein the first power device 64 may preferably be a first transfer pump, and the first transfer pump is disposed on the first flow path 61, so as to provide power for transferring the refrigerant liquid in the first evaporator 1 to the indoor unit 4 and the heat storage tank 2. The first delivery pump is also connected to a control device 5, in order to be controlled by the control device 5 to open and close. The second power device 74 may preferably be a second transfer pump provided on the third flow path 71 to power both the transfer of the frozen liquid in the first evaporator 1 to the indoor unit 4 and the transfer of the condensed liquid in the second evaporator 8 to the indoor unit 4. The second delivery pump is also connected to the control device 5, so that it is controlled to open and close by the control device 5.
In a possible embodiment, the control means 5 are a microcomputer control board. As above, the microcomputer control board is connected with the electromagnetic valve, the delivery pump and the like to control the opening and closing of the electromagnetic valve, so that the automation degree of the valley electricity energy storage circulating system is improved.
In order to be able to accurately obtain the temperature of the coolant in the heat storage tank 2, in one possible embodiment, the first flow path 61 is provided with a first temperature sensing head 10, and the first temperature sensing head 10 is located close to the connection between the first flow path 61 and the heat storage tank 2. The first temperature sensing head 10 is connected to the control device 5 in communication.
In a possible embodiment, a second temperature sensing head 11 is further disposed on the third flow path 71, and the second temperature sensing head 11 is connected to the control device 5, so as to better control the temperature of the refrigerating fluid flowing into the indoor unit 4.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
In the present invention, unless otherwise specifically stated, the terms "mounted," "connected," "fixed," and the like are to be understood broadly, and for example, may be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, or communicable with each other; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected through any intervening elements or members, or may be in any other relationship relative to each other unless expressly specified otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments can be modified, or the technical features of the individual parts or the whole parts can be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A valley electricity energy storage circulating system is characterized by comprising a first evaporator, a cold storage tank, a liquid storage tank, an indoor unit and a control device; during cold storage, the liquid storage tank, the first evaporator and the cold storage tank are sequentially communicated through a cold storage loop for cold storage, and a cold storage proportional valve, a first power device and a first control valve which are in communication connection with the control device are arranged on the cold storage loop; and during cold conveying, the cold storage tank, the indoor unit and the liquid storage tank are sequentially communicated through a cold conveying loop for cold conveying, and the cold conveying loop is provided with a cold conveying proportional valve, a second power device and a second control valve which are in communication connection with the control device.
2. The valley power energy storage cycle system of claim 1, wherein the cold storage loop comprises a first flow path and a second flow path; the first flow path is sequentially provided with a cold storage proportional valve, a first power device and a first control valve;
during cold storage, liquid in the liquid storage box flows into the first evaporator through the second flow path, the liquid flowing into the first evaporator forms refrigerating fluid after being refrigerated by the first evaporator, and the refrigerating fluid in the first evaporator flows into the cold storage box through the first flow path to form the cold storage loop.
3. The valley power energy storage and circulation system according to claim 2, wherein the cold supply loop comprises a third flow path and a fourth flow path, one end of the third flow path is connected with the first flow path, the other end of the third flow path is connected with the indoor unit, and a second control valve and a second power device are sequentially arranged on the third flow path; one end of the fourth flow path is connected with the second flow path, the other end of the fourth flow path is connected with the indoor unit, and a pipeline for communicating the third flow path and the fourth flow path is provided with the cold supply proportional valve;
during cold sending, refrigerating fluid in the cold storage box sequentially flows into the indoor unit through the first flow path and the third flow path to supply cold to the indoor unit, and the liquid after the cold supply in the indoor unit is completed sequentially flows into the liquid storage box sequentially through the fourth flow path and the second flow path to form the cold sending loop.
4. The valley power energy storage cycle system of claim 3, further comprising a second evaporator communicated with the indoor unit through a refrigeration loop, wherein the refrigeration loop comprises a fifth flow path and a sixth flow path, the second evaporator is communicated with the third flow path through the fifth flow path and is communicated with the fourth flow path through the sixth flow path, and a third control valve communicated with the control device is arranged on the fifth flow path;
during refrigeration, liquid flowing out of the indoor unit sequentially flows into the second evaporator through the fourth flow path and the sixth flow path, and the liquid cooled by the second evaporator sequentially flows into the indoor unit through the fifth flow path and the third flow path to form a refrigeration loop so as to realize refrigeration.
5. The valley power energy storage cycle system of any of claims 1 to 4, wherein the first power means and the second power means are both transfer pumps.
6. The valley power energy storage and circulation system according to any one of claims 1 to 4, wherein the control device is a microcomputer control board.
7. The valley power energy storage and circulation system according to claim 2, wherein a first temperature sensing head is arranged on the first flow path, and the first temperature sensing head is in communication connection with the control device.
8. The valley power energy storage and circulation system according to claim 3, wherein a second temperature sensing head is arranged on the third flow path, and the second temperature sensing head is in communication connection with the control device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121790814.1U CN215810388U (en) | 2021-08-03 | 2021-08-03 | Millet electricity energy storage circulation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121790814.1U CN215810388U (en) | 2021-08-03 | 2021-08-03 | Millet electricity energy storage circulation system |
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