CN219390023U - Air conditioner waste heat recovery device - Google Patents

Air conditioner waste heat recovery device Download PDF

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Publication number
CN219390023U
CN219390023U CN202320626827.8U CN202320626827U CN219390023U CN 219390023 U CN219390023 U CN 219390023U CN 202320626827 U CN202320626827 U CN 202320626827U CN 219390023 U CN219390023 U CN 219390023U
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water
pipe
cold water
air conditioner
water pipe
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CN202320626827.8U
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Chinese (zh)
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张志诚
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Shanghai Pujun Technology Co ltd
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Shanghai Pujun Technology Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/56Heat recovery units

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Abstract

The application relates to an air conditioner waste heat recovery device relates to the field of air conditioner, including the cooling tower, be equipped with the heat dissipation coil on the cooling tower, be equipped with hot-water line and cold water pipe on the heat dissipation coil, be equipped with the storage water tank on the hot-water line, be equipped with the wet return on the storage water tank, wet return and cold water pipe intercommunication, be equipped with the switch piece on the wet return, the switch piece is used for controlling the break-make between wet return and the cold water pipe, when late night, though the water consumption reduces, but the air conditioner is still running, open the switch piece, make the water in the storage water tank flow into the heat dissipation coil that is located the cooling tower through wet return and cold water pipe, the heat temperature in the heat dissipation coil rises, reentrant storage water tank in the hot-water line is followed again, thereby be favorable to keeping the temperature of water in the storage water tank, need not reheat when water is needed, thereby be favorable to reducing power consumption.

Description

Air conditioner waste heat recovery device
Technical Field
The application relates to the field of air conditioners, in particular to an air conditioner waste heat recovery device.
Background
In the summer, the air conditioner main unit generates heat when in refrigeration operation, and in order to improve the energy utilization rate, in the related art, an air conditioner waste heat recovery device is arranged on the air conditioner to recover the heat emitted by the main unit, so that hot water is produced for a place where the room lamp needs to use the hot water.
For example, the Chinese patent with the patent publication number of CN205690608U discloses a central air conditioner waste heat recovery device, which comprises a cooling tower, a heat exchanger and a heat exchange coil; an exhaust system is arranged at the top of the cooling tower; a spraying system is arranged in the shell of the cooling tower and comprises a water distribution pipe which is horizontally arranged, a plurality of groups of spray heads are arranged on the lower end surface of the water distribution pipe, and the water distribution pipe is communicated with a cooling water supply pipe; a water collecting tank is arranged below the spray header, and the bottom of the water collecting tank is directly communicated with a cooling water return pipe; a heat exchange coil is also arranged between the spray header and the water collecting tank, and the heat exchange coil is respectively communicated with a cold water pipe and a hot water pipe; the cooling water supply pipe is provided with a heat exchange branch pipeline which is connected with the shell side of the heat exchanger; the tube side ports of the heat exchanger are respectively communicated with the cold water tube and the hot water tube.
By adopting the central air conditioner waste heat recovery device, generated hot water flows out through the hot water pipe and enters the hot water storage tank for storage, when no one uses hot water for a long time at night, the temperature of water stored in the hot water storage tank is gradually reduced, and the water stored in the hot water storage tank needs to be reheated when being reused, so that the consumption of electricity of the water stored in the reheated hot water storage tank is large, and the improvement is needed.
Disclosure of Invention
In order to reduce the amount of electricity consumed for reheating hot water, the present application provides an air conditioner waste heat recovery device.
The application provides an air conditioner waste heat recovery device adopts following technical scheme:
the utility model provides an air conditioner waste heat recovery device, includes the cooling tower, be equipped with the heat dissipation coil pipe on the cooling tower, be equipped with hot-water line and cold water pipe on the heat dissipation coil pipe, be equipped with the storage water tank on the hot-water line, be equipped with the wet return on the storage water tank, the wet return with cold water pipe intercommunication, be equipped with the switch spare on the wet return, the switch spare is used for control the wet return with break-make between the cold water pipe.
Through adopting above-mentioned technical scheme, when late night, though the water consumption reduces, but the air conditioner still is running, opens the switch spare, makes wet return and cold water pipe intercommunication to make the water in the storage water tank flow into in the heat dissipation coil pipe that is located the cooling tower through wet return and cold water pipe, the heat temperature in the heat dissipation coil pipe internal water absorption air conditioner rises, again flows into the storage water tank along the hot-water line again, thereby is favorable to keeping the temperature of the interior water of storage water tank, need not to reheat when needs water, thereby is favorable to reducing power consumption.
Preferably, the hot water pipe is located above the cold water pipe.
Through adopting above-mentioned technical scheme, when in actual use, make the water in the storage water tank flow into cold water pipe by gravity effect, need not with the help of the water pump, be favorable to reducing the energy consumption.
Preferably, a temperature sensor is arranged on the water return pipe, a controller is arranged on the switch piece, the temperature sensor is used for detecting the temperature of water in the water return pipe, the temperature sensor sends a temperature value to the controller, the controller receives the temperature value and compares the temperature value with a temperature preset value, and when the temperature value is smaller than the preset value, the controller controls the switch piece to be opened so that the water return pipe is communicated with the cold water pipe.
By adopting the technical scheme, when the water storage tank is in actual use, water in the water return pipe flows into the water return pipe, the temperature sensor detects the temperature of the water flowing into the water return pipe and sends a temperature signal value to the controller, the controller receives the temperature signal and compares the temperature signal with a temperature preset value, and when the temperature value is larger than the preset value, the temperature of the water in the water storage tank is higher, the controller controls the switch piece to be closed, so that the water return pipe is disconnected from the cold water pipe; when the temperature value is smaller than the preset value, the temperature of water in the water storage tank is lower, and the controller controls the switch piece to be opened, so that the water return pipe is communicated with the cold water pipe, and the water in the water storage tank flows into the heat dissipation coil again along the water return pipe and the cold water pipe. The switch of the switch piece is controlled according to the temperature of the water in the water storage tank, so that the temperature of the water in the water storage tank is kept more convenient.
Preferably, the water return pipe is connected with the lower end of the water storage tank.
Through adopting above-mentioned technical scheme, when in actual use, through being connected the return pipe with the decurrent lower extreme of play water, make in the storage water tank water less, in the water also can flow into the return pipe, be convenient for detect the temperature of storage water tank water.
Preferably, the switch element is a control board, the control board is hinged with the water return pipe, and the control board rotationally covers the water return pipe or the cold water pipe.
Through adopting above-mentioned technical scheme, when the temperature is lower in the storage water tank in the in-service use, the control panel rotates and closes the cold water pipe, and the restriction cold water continues to flow into the water storage pipe, makes the in-process that flows into heat dissipation coil pipe in the storage water tank, and the water in the storage water tank mixes with the cold water that is difficult for with inflow cold water pipe to be favorable to improving heating efficiency.
Preferably, the cold water pipe is provided with an expansion block and a contraction block, the expansion block is positioned at one side of the control panel close to the cooling tower, and the expansion block and the contraction block are heated to expand and block the cold water pipe.
Through adopting above-mentioned technical scheme, when flowing into the cooling tower in the water flow temperature too high, the expend with heat and contract with cold piece is heated the inflation and is stopped up the cold water pipe, makes hot water be difficult for flowing into and is located cooling tower inner heat dissipation coil to be favorable to keeping heat dissipation coil's radiating efficiency.
Preferably, the expansion block comprises an expansion block arranged in the cold water pipe and a stop block connected in the cold water pipe in a sliding manner, the expansion block is divided into two sides positioned inside and outside the cooling tower, the stop block is positioned between the expansion blocks, a water inlet is formed in the stop block, a fixing plate is arranged on the cold water pipe and positioned on one side, close to the cooling tower, of the water inlet, and the fixing plate is used for covering the water inlet.
By adopting the technical scheme, when water in the water storage tank needs to reflow back to the cooling coil pipe again for heating, the expansion block in the cooling tower is heated and expanded, and when the temperature in the cooling tower is high and the temperature outside the cooling tower is higher, the expansion block in the cooling tower expands more, and pushes the stop block to move outside the cooling tower, so that the fixing plate is separated from the water inlet, and external water enters the cooling coil pipe to absorb heat; when the temperature in the cooling tower is lower than the temperature outside the cooling tower, the expansion amplitude of the expansion block positioned outside the cooling tower is larger, the stop block is pushed to move into the cooling tower, the fixing plate covers the water, and the external water is limited to enter the cooling coil pipe to emit heat into the cooling tower, so that the cooling effect of the cooling coil pipe is favorably maintained.
Preferably, the inner wall of the water inlet is gradually reduced towards the direction close to the fixing plate.
Through adopting above-mentioned technical scheme, when in-service use, when the temperature in the cooling tower is less than the outer temperature of cooling tower, the dog receives the impulsive force of cooling tower outside water and the pressure of expansion piece, through being the convergent setting with the water inlet, is favorable to improving the area of contact of dog and cooling tower outside water, makes the dog support tight fixed plate, further reduces water and gets into.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the switch piece is opened, so that the water return pipe is communicated with the cold water pipe, water in the water storage tank flows into the heat dissipation coil pipe positioned in the cooling tower through the water return pipe and the cold water pipe, the temperature of the heat in the heat dissipation coil pipe is increased, and the water in the heat dissipation coil pipe flows into the water storage tank again along the hot water pipe, thereby being beneficial to keeping the temperature of the water in the water storage tank, avoiding reheating when water is needed, and being beneficial to reducing the power consumption;
2. the switch of the switch piece is controlled according to the temperature of the water in the water storage tank, so that the temperature of the water in the water storage tank is kept more convenient;
3. when the temperature in the cooling tower is high and the temperature outside the cooling tower is high, the stop block is pushed to move outside the cooling tower, so that the fixed plate is separated from the water inlet, and external water enters the heat dissipation coil pipe to absorb heat; when the temperature in the cooling tower is lower than the temperature outside the cooling tower, the stop block is pushed to move into the cooling tower, so that the fixing plate covers the water outlet, and the heat dissipation effect of the heat dissipation coil is maintained.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present embodiment.
Fig. 2 is a schematic structural view of the cooling tower, the heat dissipating coil and the cold water pipe according to the present embodiment, which mainly shows the internal structures of the heat dissipating coil and the cold water pipe.
Fig. 3 is an enlarged view of the portion a in fig. 2, mainly showing the structure of the junction of the return pipe and the cold water pipe.
Fig. 4 is an enlarged view of the portion B in fig. 2, mainly showing the connection structure between the expansion block and the stopper when the temperature in the cooling tower is high.
Reference numerals illustrate: 1. a cooling tower; 2. a heat dissipation coil; 3. a hot water pipe; 4. a cold water pipe; 41. a thermal expansion and contraction block; 411. an expansion block; 412. a stop block; 4121. a water inlet; 42. a fixing plate; 5. a water storage tank; 51. a water return pipe; 511. a switch member; 5111. a control board; 52. a temperature sensor; 53. and a controller.
Description of the embodiments
The present application is described in further detail below in conjunction with figures 1-4.
The embodiment of the application discloses an air conditioner waste heat recovery device. Referring to fig. 1 and 2, an air conditioner waste heat recovery device comprises a cooling tower 1, a heat dissipation coil pipe 2 is fixed on the cooling tower 1, the heat dissipation coil pipe 2 is located in the cooling tower 1, the heat dissipation coil pipe 2 is a corrugated coil pipe which is arranged in a serpentine manner, a hot water pipe 3 and a cold water pipe 4 are fixed on the heat dissipation coil pipe 2, the hot water pipe 3 and the cold water pipe 4 are respectively communicated with the two opposite ends of the heat dissipation coil pipe 2, the hot water pipe 3 is located above the cold water pipe 4, and the hot water pipe 3 and the cold water pipe 4 penetrate out of the cooling tower 1 and are fixedly connected with the cooling tower 1.
Referring to fig. 1 and 2, a water storage tank 5 is fixed to the hot water pipe 3, the water storage tank 5 is located outside the cooling tower 1, the water storage tank 5 is used for storing hot water flowing out of the hot water pipe 3, and the water storage tank 5 is rectangular. A water return pipe 51 is fixed on the water storage tank 5, the water return pipe 51 is positioned below the water storage tank 5, one end, far away from the water storage tank 5, of the water return pipe 51 is fixedly connected with the cold water pipe 4, and the water return pipe 51 is communicated with the water storage tank 5 and the cold water pipe 4.
Referring to fig. 3, the pipe diameter of the return pipe 51 is the same as that of the cold water pipe 4, the return pipe 51 is hinged with a switch piece 511, the switch piece 511 is a control board 5111, the control board 5111 is located in the return pipe 51, the control board 5111 is located at the joint between the return pipe 51 and the cold water pipe 4, the hinge shaft of the control board 5111 is vertically arranged, the hinge shaft of the control board 5111 is located at one side of the return pipe 51 far away from the cooling tower, the control board 5111 is used for covering the return pipe 51 or the cold water pipe 4, and the control board 5111 controls on-off between the return pipe 51 and the cold water pipe 4. A temperature sensor 52 is fixed on the return pipe 51, a controller 53 is fixed on the control board 5111, the temperature sensor 52 is used for detecting the temperature of water in the return pipe 51, and the controller 53 is used for controlling the control board 5111 to rotate.
In actual use, tap water enters the heat-dissipating coil 2 from the cold water pipe 4, absorbs heat in the air conditioner when flowing through the heat-dissipating coil 2 to enable the water temperature to rise, then flows into the water storage tank 5 from the hot water pipe 3, water in the water storage tank 5 flows into the water return pipe 51 under the action of self gravity, the temperature sensor 52 detects the temperature of the water in the water return pipe 51 and sends a temperature value to the controller 53, the controller 53 compares the received temperature value with a temperature preset value, and when the temperature value is larger than the temperature preset value, the controller 53 controls the control board 5111 to rotate to cover the water return pipe 51, so that a channel between the water return pipe 51 and the cold water pipe 4 is blocked, and hot water is stored in the water storage tank 5.
When no water is used for a long time, the temperature of the water in the water storage tank 5 gradually drops, when the temperature value detected by the temperature sensor 52 is smaller than a temperature preset value, the controller 53 controls the control board 5111 to cover the cold water pipe 4, so that tap water cannot continuously flow into the cold water pipe 4, the water return pipe 51 is communicated with the cold water pipe 4, the water in the water storage tank 5 flows into the heat dissipation coil 2 again along the water return pipe 51 and the cold water pipe 4 to absorb heat of an air conditioner for heating, flows into the water storage tank 5 again along the hot water pipe 3, and flows into the water return pipe 51 partially for the temperature sensor 52 to detect, and when the temperature value is larger than the temperature preset value, the controller 53 controls the control board 5111 to rotate to cover the water return pipe 51, and hot water is stored in the water storage tank 5.
Referring to fig. 4, the cold water pipe 4 is fixed with the expansion block 41, the expansion block 41 is located in the cold water pipe 4, the expansion block 41 includes expansion block 411 and block 412, the expansion block 411 and the block 412 are all located one side of the control board 5111 (fig. 3) close to the cooling tower 1, two expansion blocks 411 are respectively located at the inner side and the outer side of the cooling tower 1, two expansion blocks 411 are fixedly connected with the cold water pipe 4, the block 412 is located between the two expansion blocks 411, the block 412 is slidingly connected in the cold water pipe 4, the block 412 is in an L shape, the periphery of the block 412 is attached to the inner wall of the cold water pipe 4, and the two expansion blocks 411 are in expansion and block 412 butt. When the expansion blocks 411 are not heated, the distance between the two heated expansion blocks 411 is greater than the length of the stop 412.
Referring to fig. 4, a fixing plate 42 is fixed on the cold water pipe 4, the fixing plate 42 is located between two expansion blocks 411, a water inlet 4121 is formed in a stop block 412, a projection of the water inlet 4121 parallel to the length direction of the cold water pipe 4 is located on the fixing plate 42, the fixing plate 42 is located on one side of the water inlet 4121 close to the inside of the cooling tower 1, the fixing plate 42 is used for covering the water inlet 4121, and the inner wall of the water inlet 4121 is tapered towards the direction close to the fixing plate 42. In this embodiment, the expansion block 411 is made of copper. (4)
When water in the water storage tank 5 needs to flow back to the cooling tower 1 for heating, the expansion amplitude of the heated expansion blocks 411 is different due to the different temperatures of the inner side and the outer side of the cooling tower 1, when the temperature in the cooling tower 1 is higher than the temperature outside the cooling tower 1, the expansion amplitude of the expansion blocks 411 in the cooling tower 1 is larger, the stop block 412 is pushed to move outside the cooling tower 1, the water inlet 4121 is separated from the fixing plate 42, the water flows into the heat dissipation coil 2 in the cooling tower 1 from the water inlet 4121, and the water temperature is increased by absorbing the waste heat in the air conditioner; when the temperature outside the cooling tower 1 is higher than the temperature inside the cooling tower 1, the expansion amplitude of the expansion block 411 positioned outside the cooling tower 1 is larger than the expansion amplitude of the expansion block 411 positioned inside the cooling tower 1, so that the stop block 412 moves into the cooling tower 1 under the action of water and the expansion block 411, the fixing plate 42 covers the water inlet 4121, the water outside the cooling tower 1 is placed into the heat dissipation coil 2 to emit heat to increase the temperature inside the air conditioner, and the water outside the cooling tower 1 is cooled and then enters the heat dissipation coil 2.
The implementation principle of the air conditioner waste heat recovery device of the embodiment of the application is as follows: if no water is used for a long time, the temperature of the water in the water storage tank 5 gradually drops, and when the temperature value of the water is lower than the preset temperature value of the controller 53, the controller 53 controls the control panel 5111 to be opened so that the water return pipe 51 is communicated with the cooling pipe, the water in the water storage tank 5 is enabled to absorb heat in the air conditioner again, the temperature of the water in the water storage tank 5 is favorably kept, and the energy consumption required for heating the water is favorably reduced.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides an air conditioner waste heat recovery device, includes cooling tower (1), its characterized in that: be equipped with cooling coil (2) on cooling tower (1), be equipped with hot-water line (3) and cold water pipe (4) on cooling coil (2), be equipped with storage water tank (5) on hot-water line (3), be equipped with wet return (51) on storage water tank (5), wet return (51) with cold water pipe (4) intercommunication, be equipped with switch piece (511) on wet return (51), switch piece (511) are used for control wet return (51) with break-make between cold water pipe (4).
2. The air conditioner waste heat recovery device according to claim 1, wherein: the hot water pipe (3) is positioned above the cold water pipe (4).
3. The air conditioner waste heat recovery device according to claim 2, wherein: be equipped with temperature sensor (52) on wet return (51), be equipped with controller (53) on switch (511), temperature sensor (52) are used for detecting the temperature of wet return (51) internal water, temperature sensor (52) send the temperature value to controller (53), controller (53) receive the temperature value and with the temperature default, when the temperature value is less than default, controller (53) control switch (511) are opened, make wet return (51) and cold water pipe (4) intercommunication.
4. An air conditioner waste heat recovery apparatus according to claim 3, wherein: the water return pipe (51) is connected with the lower end of the water storage tank (5).
5. An air conditioner waste heat recovery apparatus according to claim 3, wherein: the switch piece (511) is a control board (5111), the control board (5111) is hinged with the water return pipe (51), and the control board (5111) is rotationally covered on the water return pipe (51) or the cold water pipe (4).
6. The air conditioner waste heat recovery device according to claim 1, wherein: the cold water pipe (4) is provided with an expansion block (41), and the expansion block (41) is heated to expand and block the cold water pipe (4).
7. The air conditioner waste heat recovery device according to claim 6, wherein: expansion block (41) including locating expansion block (411) in cold water pipe (4) with slide connect in dog (412) in cold water pipe (4), expansion block (411) divide into and are located the inside and outside both sides of cooling tower (1), dog (412) are located between expansion block (411), water inlet (4121) have been seted up on dog (412), be equipped with fixed plate (42) on cold water pipe (4), fixed plate (42) are located water inlet (4121) are close to one side in cooling tower (1), fixed plate (42) are used for the lid water inlet (4121).
8. The air conditioner waste heat recovery device according to claim 7, wherein: the inner wall of the water inlet (4121) is gradually reduced towards the direction approaching the fixing plate (42).
CN202320626827.8U 2023-03-27 2023-03-27 Air conditioner waste heat recovery device Active CN219390023U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320626827.8U CN219390023U (en) 2023-03-27 2023-03-27 Air conditioner waste heat recovery device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320626827.8U CN219390023U (en) 2023-03-27 2023-03-27 Air conditioner waste heat recovery device

Publications (1)

Publication Number Publication Date
CN219390023U true CN219390023U (en) 2023-07-21

Family

ID=87169830

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320626827.8U Active CN219390023U (en) 2023-03-27 2023-03-27 Air conditioner waste heat recovery device

Country Status (1)

Country Link
CN (1) CN219390023U (en)

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