CN218820753U - Layering water cold-storage central air conditioning system - Google Patents
Layering water cold-storage central air conditioning system Download PDFInfo
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- CN218820753U CN218820753U CN202223034081.6U CN202223034081U CN218820753U CN 218820753 U CN218820753 U CN 218820753U CN 202223034081 U CN202223034081 U CN 202223034081U CN 218820753 U CN218820753 U CN 218820753U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model relates to a layering water cold-storage central air conditioning system belongs to air conditioning system water cold-storage field, and it includes and adopts following technical scheme, and this layering water cold-storage central air conditioning system includes: the cistern, refrigerating plant and heat transfer device, the cistern includes cell body and vertical a plurality of water baffles that set up in the cell body, the water baffle separates into a plurality of impoundment districts with the cistern internal partitioning, water baffle and cell body sliding connection are in order to adjust the size in impoundment district, be provided with on the cistern and be used for ordering about the driving piece of water baffle along the horizontal direction motion, refrigerating plant and heat transfer device all communicate with the cistern, the temperature of the water that different impoundment districts held is different, water in the different impoundment districts is carried to heat transfer device in order to adjust heat transfer device's heat exchange efficiency. This application has the effect that improves cold-storage efficiency.
Description
Technical Field
The application relates to the field of chilled water storage of air conditioning systems, in particular to a layered chilled water storage central air conditioning system.
Background
The water cold storage air conditioner is an energy-saving air conditioner mode which utilizes the peak-valley electricity price difference of a power grid, adopts a water chilling unit to cool in a water tank at night, and adopts the water tank to cool in the daytime while a main machine runs in a peak avoidance mode.
At present, a water cold storage central air conditioning system usually uses a natural layering method, and natural layering is realized by utilizing different densities of water at different temperatures. The system is characterized in that a reservoir is added into a conventional refrigerating system, cold water sent by refrigerating equipment enters the reservoir from a bottom diffuser during cold accumulation circulation, hot water is discharged from the top, and the water quantity in the reservoir is kept unchanged. In the cold discharge circulation, the water flows in the opposite direction, cold water is sent to the load side from the bottom, and returned hot water enters the reservoir from the top diffuser. The temperature transition layer between cold water and hot water in the natural layering method is the mutual boundary of the cold water and the hot water, so that cold accumulation is influenced.
In view of the above-mentioned related art, the inventor believes that the mutual interface of the hot water and the cold water affects the heat exchange efficiency of the heat exchange device.
SUMMERY OF THE UTILITY MODEL
In order to improve heat transfer efficiency of heat transfer device, this application provides a layering water cold-storage central air conditioning system.
The application provides a layering water cold-storage central air conditioning system adopts following technical scheme, and this layering water cold-storage central air conditioning system includes:
cistern, refrigerating plant and heat transfer device, the cistern includes cell body and vertical a plurality of water baffles that set up in the cell body, the water baffle separates into a plurality of water storage districts with the cistern internal partitioning, the water baffle is with the size of cell body sliding connection in order to adjust the water storage district, be provided with the driving piece that is used for ordering about the water baffle along the horizontal direction motion on the cistern, refrigerating plant and heat transfer device all communicate with the cistern, and are different the temperature of the water that the water storage district holds is different, and is different the water in the water storage district is carried to heat transfer device in order to adjust heat transfer device's heat exchange efficiency.
By adopting the technical scheme, water with different temperatures is stored in different water storage areas, so that the cold storage effect influenced by temperature difference is relieved; the water-stop sheet arranged in a sliding way can adjust the size of the water storage area, so that the water quantity in the water storage tank is kept unchanged; the water in different water storage areas is conveyed to the heat exchange device, so that the heat exchange efficiency of the heat exchange device can be adjusted.
Optionally, the water-stop sheets include two water-stop sheets, the two water-stop sheets divide the interior of the reservoir into three water storage areas, the water storage areas are a first water storage area, a second water storage area and a third water storage area respectively, a first water inlet pipe and a first water outlet pipe are communicated with the first water storage area, the first water inlet pipe is connected to the cooling device, and the first water outlet pipe is connected to the heat exchange device; a second water inlet pipe and a second water outlet pipe are communicated with the second water storage area, and the second water inlet pipe and the second water outlet pipe are both connected to the heat exchange device; and a third water inlet pipe and a third water outlet pipe are communicated with the third water storage area, the third water inlet pipe is connected to the heat exchange device, and the third water outlet pipe is connected to the cooling device.
By adopting the technical scheme, the temperature of the water stored in the first water storage area is the lowest, the temperature of the water stored in the second water storage area is higher than that of the water in the first water storage area, and the temperature of the water stored in the third water storage area is higher than that of the water in the second water storage area. Inputting low-temperature water prepared by a refrigerating device into a first water storage area through a first water inlet pipe at night, and inputting the water in the first water storage area into a heat exchange device through a first water outlet pipe at daytime for cooling; the water generated by the heat exchange device in low-power operation is input into the second water storage area through the second water inlet pipe for natural cooling and storage, and the cooled water can be input into the heat exchange device through the second water outlet pipe for low-power cooling operation; and water generated by the heat exchange device during high-power operation is input into the third water storage area through the third water inlet pipe for storage and is conveyed to the refrigerating device through the third water outlet pipe for cooling.
Optionally, all be provided with the water storage bag in the water storage district.
By adopting the technical scheme, the water storage bag is used for storing water which is used for being conveyed to the heat exchange device and the refrigerating device.
Optionally, a cooling water outlet pipe is connected to the second water storage area, and the cooling water outlet pipe is connected to the refrigerating device and used for conveying water in the second water storage area to the refrigerating device for cooling.
Through adopting above-mentioned technical scheme, when the lower water of temperature is not enough in first cistern, can carry the water in the second water storage district to refrigerating plant cooling through cooling outlet pipe, because the temperature of water in the second water storage district is higher than the temperature of water in the first water storage district and is less than the temperature of water in the third water storage district, refrigerating plant is shorter than the water in the third water storage district to the cooling time of the water in the second water storage district, so refrigerating plant can produce the lower water of temperature more fast, carry it to first water storage district in through first inlet tube.
Optionally, a guide rod is fixedly arranged in the water storage tank along the sliding direction of the water-stop sheet, and the water-stop sheet penetrates through the guide rod.
Through adopting above-mentioned technical scheme, when driving piece drive water-stop sheet moved along the horizontal direction, the guide bar provided the holding power and made the water-stop sheet keep vertical state along the horizontal direction motion.
Optionally, the four guide rods are uniformly arranged along the circumferential direction of the water-stop sheet.
By adopting the technical scheme, the guide rods are uniformly arranged in the circumferential direction of the water-stop sheet, so that the circumferential direction of the water-stop sheet is uniformly supported by the guide rods, and the vertical state can be more stably kept.
Optionally, the driving part comprises a lead screw, a moving block is arranged on the water-stop plate, the lead screw penetrates through the moving block and is in threaded connection with the moving block, a sliding groove is formed in the reservoir along the sliding direction of the water-stop plate, the moving block penetrates through the sliding groove, the driving part further comprises a motor used for driving the lead screw to rotate, and the motor is fixedly arranged on the reservoir.
Through adopting above-mentioned technical scheme, the motor drive lead screw rotates, thereby the movable block with lead screw threaded connection drives the water-stop sheet along lead screw axial displacement, and then realizes adjusting the size of water storage area through the water-stop sheet removal.
Optionally, there are two driving members for driving one water-stop plate, the moving blocks are disposed at two ends of the water-stop plate opposite to each other, and the lead screws of the two driving members are in threaded connection with one moving block.
By adopting the technical scheme, the driving piece independently drives one water-stop sheet to move, and the movement of the two water-stop sheets is not interfered with each other; the driving parts arranged at the two opposite ends of the water-stop sheet enable the two ends of the water-stop sheet to move more synchronously.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the water storage tank is divided into a plurality of water storage areas by arranging the slidable water-stop plates in the tank body of the water storage tank, and water with different temperatures is stored in different water storage areas, so that low cold storage efficiency caused by temperature difference is avoided; the water-stop sheet arranged in a sliding way can adjust the size of the water storage area, so that the water quantity in the water storage tank is kept unchanged; the water in different water storage areas is conveyed to the heat exchange device, so that the heat exchange efficiency of the heat exchange device can be adjusted.
2. Be provided with the driving piece on the cistern for the drive water-stop sheet removes, adjusts the size in water storage area.
3. And a water storage bag is arranged in the reservoir and used for storing water conveyed to the heat exchange device and the refrigerating device.
Drawings
Fig. 1 is a schematic structural diagram of a stratified water cold-storage central air-conditioning system according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a water-stop sheet of a stratified water cold-storage central air-conditioning system according to an embodiment of the present application.
Fig. 3 is an enlarged view of a in fig. 1.
Description of reference numerals: 100. a reservoir; 110. a tank body; 111. a guide bar; 112. a chute; 120. a water-stop sheet; 121. a moving block; 130. a drive member; 131. a screw rod; 132. a motor; 140. a water storage bag; 150. a water storage area; 151. a first water accumulation area; 152. a second water accumulation area; 153. a third water accumulation area; 154. a first water inlet pipe; 155. a first water outlet pipe; 156. a second water inlet pipe; 157. a second water outlet pipe; 158. cooling the water outlet pipe; 159. a third water inlet pipe; 160. a third water outlet pipe; 200. a refrigeration device; 300. and a heat exchange device.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a layering water cold-storage central air-conditioning system. Referring to fig. 1, the stratified water cold-storage central air-conditioning system includes:
a water reservoir 100, a refrigerating apparatus 200 for refrigerating water transported within the water reservoir 100, and a heat exchanging apparatus 300 for discharging cold.
Referring to fig. 1, a water reservoir 100 is disposed between a refrigeration apparatus 200 and a heat exchange apparatus 300. The water reservoir 100 includes a tank body 110 and two water-stop plates 120 vertically disposed inside the tank body 110. The tank body 110 and the water-stop sheet 120 in this embodiment are rectangular, four guide rods 111 are arranged in the tank body 110 along the length direction of the tank body 110, and two ends of each guide rod 111 are fixedly arranged on the opposite inner walls of the tank body 110. The four guide rods 111 diagonally penetrate the water stop plate 120, and the water stop plate 120 axially slides along the guide rods 111.
Referring to fig. 1 and 2, the two water-stop sheets 120 divide the interior of the tank body 110 into three impoundment areas 150, which are a first impoundment area 151, a second impoundment area 152 and a third impoundment area 153 in sequence along the length direction of the tank body 110. A water storage bag 140 for storing water is sleeved in each water storage area 150. The water stored in the three reservoirs 150 is at a different temperature, wherein the temperature of the water stored in the reservoir bag 140 of the first reservoir 151 is lowest, the temperature of the water stored in the reservoir bag 140 of the second reservoir 152 is higher than the temperature of the water in the first reservoir 151, and the temperature of the water stored in the reservoir bag 140 of the third reservoir 153 is higher than the temperature of the water in the second reservoir 152.
Referring to fig. 1, the water bag 140 of the first water storage area 151 is communicated with a first water inlet pipe 154, and the first water inlet pipe 154 is communicated with the refrigerating device 200; the water storage bag 140 of the first water storage area 151 is communicated with a first water outlet pipe 155, and the first water outlet pipe 155 is communicated with the heat exchange device 300. The first inlet pipe 154 and the first outlet pipe 155 both pass through the first impound area 151 away from the sidewall of the water-stop sheet 120. By utilizing the peak-valley electricity price difference of the power grid, under the condition of low electricity price, the water with low temperature prepared by the refrigerating device 200 is conveyed to the first water inlet pipe 154 through the water pump in the refrigerating device 200 and then is input into the water storage bag 140 of the first water storage area 151 for storage, and when the electricity price is high and the air conditioner needs to be used, the water stored in the water storage bag 140 of the first water storage area 151 is input into the heat exchange device 300 through the first water outlet pipe 155 for cooling.
The water storage bag 140 of the second water storage area 152 is communicated with a cooling water outlet pipe 158, and the cooling water outlet pipe 158 is communicated with the refrigerating device 200; the water storage bag 140 of the second water storage area 152 is communicated with a second water inlet pipe 156 and a second water outlet pipe 157, and the second water inlet pipe 156 and the second water outlet pipe 157 are communicated with the heat exchange device 300. The cooling outlet pipe 158, the second inlet pipe 156 and the second outlet pipe 157 are all communicated with the water storage bag 140 in the second water storage area 152 through the water-stop sheet 120 between the first water storage area 151 and the second water storage area 152. When the heat exchanging device 300 is operated at low power, the generated water is input into the water storage bag 140 of the second water storage area 152 through the second water inlet pipe 156 for natural cooling and storage, and the cooled water is pumped through the heat exchanging device 300 and input into the heat exchanging device 300 through the second water outlet pipe 157 for low power cooling operation. When the temperature of the water in the first reservoir 100 is low enough, the water in the second reservoir 152 can be pumped by the refrigeration device 200 and then sent to the refrigeration device 200 for cooling through the cooling water outlet pipe 158, and since the temperature of the water in the second reservoir 152 is higher than that of the water in the first reservoir 151 and lower than that of the water in the third reservoir 153, the refrigeration device 200 can cool the water in the second reservoir 152 for a shorter time than that of the water in the third reservoir 153, so that the refrigeration device 200 can generate the water with the lower temperature more quickly and send the water to the first reservoir 151 through the first water inlet pipe 154.
The water storage bag 140 of the third water storage area 153 is communicated with a third water outlet pipe 160, and the third water outlet pipe 160 is communicated with the refrigerating device 200; the water storage bag 140 of the third water storage area 153 is communicated with a third water inlet pipe 159, and the third water inlet pipe 159 is communicated with the heat exchange device 300. When the heat exchange device 300 is operated at high power, the generated water with higher temperature is conveyed into the water storage bag 140 of the third water storage area 153 through the third water inlet pipe 159 for natural cooling; when the water in the first reservoir 100 with low temperature is insufficient, the water in the third water storage area 153 can be pumped and transported to the refrigeration device by the third water outlet pipe 160 for refrigeration.
The refrigerating device 200 includes a compressor, a condenser and an expansion valve which are sequentially communicated, the other end of the expansion valve is communicated with a cooling water outlet pipe 158 and a third water outlet pipe 160, and the first water inlet pipe 154 is communicated with the compressor. The heat exchanging device 300 includes a water pump and a heat exchanger, one end of the water pump is communicated with the second water outlet pipe 157, the other end is communicated with the heat exchanger, and the other end of the heat exchanger is communicated with the first water outlet pipe 155 and the second water inlet pipe 156. The water outlet pipe and the water inlet pipe are both provided with electromagnetic valves for controlling water inlet and outlet.
Referring to fig. 2 and 3, two ends of the water-stop plate 120 facing away from the tank body 110 in the width direction are fixedly provided with moving blocks 121. The tank body 110 is provided with a sliding groove 112 along the length direction of the tank body 110, and the moving block 121 penetrates through the sliding groove 112 and slides along the length direction of the tank body 110. Along the width direction of the tank body 110, two sides of the tank body 110 facing away from each other are provided with a driving member 130 for driving one water-stop sheet 120 to move. The driving member 130 includes a screw rod 131, and the screw rod 131 is disposed along the length direction of the cell body 110 and passes through the moving block 121, and the two are connected by screw thread. The driving member 130 further includes a motor 132 for driving the screw 131 to rotate, and the motor 132 is fixedly disposed on the sidewall of the tank body 110.
The implementation principle of the layered water cold storage central air-conditioning system in the embodiment of the application is as follows: through the rotation of motor 132 drive lead screw 131, thereby lead screw 131 drives movable block 121 and moves and drive water-stop sheet 120 and remove, and then can adjust the size of every water storage area 150, guarantees that the water yield in the cistern 100 is unchangeable. By utilizing the peak-valley electricity price difference of the power grid, under the condition of low electricity price, the water with low temperature prepared by the refrigerating device 200 is conveyed to the first water inlet pipe 154 through the refrigerating device and then is input into the water storage bag 140 of the first water storage area 151 for storage, and when the electricity price is high and air-conditioning refrigeration is needed, the water stored in the water storage bag 140 of the first water storage area 151 is input into the heat exchange device 300 through the first water outlet pipe 155 for cooling. When the heat exchanging device 300 is operated at low power, the generated water is input into the water storage bag 140 of the second water storage area 152 through the second water inlet pipe 156 for natural cooling and storage, and the cooled water is pumped through the heat exchanging device 300 and input into the heat exchanging device 300 through the second water outlet pipe 157 for low power cooling operation. When the temperature of the water in the first reservoir 100 is low enough, the water in the second reservoir 152 can be pumped by the refrigeration device 200 and then sent to the refrigeration device 200 for cooling through the cooling water outlet pipe 158, and since the temperature of the water in the second reservoir 152 is higher than that of the water in the first reservoir 151 and lower than that of the water in the third reservoir 153, the refrigeration device 200 can cool the water in the second reservoir 152 for a shorter time than that of the water in the third reservoir 153, so that the refrigeration device 200 can generate the water with the lower temperature more quickly and send the water to the first reservoir 151 through the first water inlet pipe 154. When the heat exchange device 300 is operated at high power, the generated water with higher temperature is conveyed into the water storage bag 140 of the third water storage area 153 through the third water inlet pipe 159 for natural cooling; when the temperature of the water in the first reservoir 100 is low, the water in the third water storage area 153 may be pumped and transported to the refrigeration device through the third water outlet pipe 160 for refrigeration.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a layering water cold-storage central air conditioning system, includes cistern (100), refrigerating plant (200) and heat transfer device (300), its characterized in that: the water storage tank (100) comprises a tank body (110) and a plurality of water-stop plates (120) vertically arranged in the tank body (110), the water-stop plates (120) divide the interior of the water storage tank (100) into a plurality of water storage areas (150), the water-stop plates (120) are connected with the tank body (110) in a sliding mode to adjust the size of the water storage areas (150), a driving piece (130) used for driving the water-stop plates (120) to move along the horizontal direction is arranged on the water storage tank (100), the refrigerating device (200) and the heat exchange device (300) are communicated with the water storage tank (100), the water contained in the water storage areas (150) is different in temperature and is different from the water in the water storage areas (150) and is conveyed to the heat exchange device (300) to adjust the heat exchange efficiency of the heat exchange device (300).
2. The system of claim 1, wherein: the water-stop plates (120) comprise two water-stop plates (120), the interior of the water storage tank (100) is divided into three water storage areas (150), the water storage areas (150) are respectively a first water storage area (151), a second water storage area (152) and a third water storage area (153), a first water inlet pipe (154) and a first water outlet pipe (155) are communicated in the first water storage area (151), the first water inlet pipe (154) is connected to the refrigerating device (200), and the first water outlet pipe (155) is connected to the heat exchange device (300); a second water inlet pipe (156) and a second water outlet pipe (157) are communicated in the second water storage area (152), and the second water inlet pipe (156) and the second water outlet pipe (157) are both connected to the heat exchange device (300); a third water inlet pipe (159) and a third water outlet pipe (160) are communicated with the third water storage area (153), the third water inlet pipe (159) is connected to the heat exchange device (300), and the third water outlet pipe (160) is connected to the refrigerating device (200).
3. The system of claim 2, wherein: and water storage bags (140) are arranged in the water storage areas (150).
4. The system of claim 2, wherein: and a cooling water outlet pipe (158) is communicated with the second water storage area (152), and the cooling water outlet pipe (158) is connected with the refrigerating device (200) and is used for conveying the water in the second water storage area (152) to the refrigerating device (200) for cooling.
5. The system of claim 1, wherein: the water-stop plate is characterized in that a guide rod (111) is fixedly arranged in the water storage tank (100) along the sliding direction of the water-stop plate (120), and the water-stop plate (120) penetrates through the guide rod (111).
6. The system of claim 5, wherein: the four guide rods (111) are uniformly arranged along the circumferential direction of the water stop plate (120).
7. The system of claim 1, wherein: the driving piece (130) comprises a lead screw (131), a moving block (121) is arranged on the water-stop plate (120), the lead screw (131) penetrates through the moving block (121) and is in threaded connection with the moving block (121), a sliding groove (112) is formed in the reservoir (100) in the sliding direction of the water-stop plate (120), the moving block (121) penetrates through the sliding groove (112), the driving piece (130) further comprises a motor (132) used for driving the lead screw (131) to rotate, and the motor (132) is fixedly arranged on the reservoir (100).
8. The system of claim 1, wherein: two driving pieces (130) used for driving one water stop plate (120) are arranged, moving blocks (121) are arranged at two ends, back to back, of the water stop plate (120), and lead screws (131) of the two driving pieces (130) are in threaded connection with the moving blocks (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223034081.6U CN218820753U (en) | 2022-11-14 | 2022-11-14 | Layering water cold-storage central air conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223034081.6U CN218820753U (en) | 2022-11-14 | 2022-11-14 | Layering water cold-storage central air conditioning system |
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| CN218820753U true CN218820753U (en) | 2023-04-07 |
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| CN202223034081.6U Active CN218820753U (en) | 2022-11-14 | 2022-11-14 | Layering water cold-storage central air conditioning system |
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- 2022-11-14 CN CN202223034081.6U patent/CN218820753U/en active Active
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