CN117232182B - Wind pressure monitoring defrosting device of air source heat pump - Google Patents
Wind pressure monitoring defrosting device of air source heat pump Download PDFInfo
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- CN117232182B CN117232182B CN202310968760.0A CN202310968760A CN117232182B CN 117232182 B CN117232182 B CN 117232182B CN 202310968760 A CN202310968760 A CN 202310968760A CN 117232182 B CN117232182 B CN 117232182B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 77
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- 238000000034 method Methods 0.000 claims description 15
- 239000000523 sample Substances 0.000 claims description 8
- 238000007790 scraping Methods 0.000 claims description 7
- 230000001276 controlling effect Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
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- 230000007306 turnover Effects 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 claims description 3
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- 238000002791 soaking Methods 0.000 description 1
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Abstract
The invention relates to the technical field of air source heat pump maintenance, in particular to a wind pressure monitoring defrosting device of an air source heat pump. The solar energy defrosting device comprises a mounting frame, a first driving piece, a lifting frame, a defrosting component, a monitoring component, a backwater component, a solar cell panel, a regulating piece, a controller and an alarm. The mounting frame is arranged outside the air source heat pump; the lifting frame is sleeved on the periphery of the air source heat pump; the defrosting component is arranged on one side of the lifting frame, which is close to the fin heat exchanger; the monitoring component is arranged on the lifting frame and is positioned on the same side of the defrosting component; the backwater component is arranged below the defrosting component; the solar panel is rotationally connected with the shell of the air source heat pump; the adjusting piece is arranged between the solar panel and the lifting frame. The invention has the advantages of energy conservation, environmental protection, strong automaticity and intelligence, effectively protects the normal work of the fin heat exchanger and ensures the heat exchange performance of the air source heat pump.
Description
Technical Field
The invention relates to the technical field of air source heat pump maintenance, in particular to a wind pressure monitoring defrosting device of an air source heat pump.
Background
An air source heat pump is an energy-saving device which utilizes high potential energy to enable heat to flow from low-level heat source air to high-level heat sources. It is a form of heat pump. As the name implies, the heat pump is like a pump, and can convert low-level heat energy (such as heat contained in air, soil and water) which cannot be directly utilized into high-level heat energy which can be utilized, thereby achieving the purpose of saving part of high-level energy (such as coal, fuel gas, oil, electric energy and the like).
The air source heat pump obtains air heat through the fin heat exchanger, and fins are exposed to the outside and are easily frosted by environmental influences. The frosting can block channels among fins, increase air flow resistance, increase heat resistance of the heat exchanger, and finally reduce heat exchange capacity. Generally, manual defrosting is performed manually, time and labor are wasted, frosting cannot be pre-judged in advance, the defrosting effect is poor, and outdoor work of the air source heat pump is not facilitated.
Disclosure of Invention
Aiming at the problems in the background technology, the wind pressure monitoring defrosting device of the air source heat pump is provided. The invention has the advantages of energy conservation, environmental protection, strong automaticity and intelligence, effectively protects the normal work of the fin heat exchanger and ensures the heat exchange performance of the air source heat pump.
The invention provides a wind pressure monitoring defrosting device of an air source heat pump, which comprises a mounting frame, a first driving piece, a lifting frame, a defrosting component, a monitoring component, a backwater component, a solar panel, a regulating piece, a controller and an alarm. The mounting frame is arranged outside the air source heat pump; the first driving piece is arranged on the mounting frame; the lifting frame is sleeved on the periphery of the air source heat pump, and the lifting frame is driven by the first driving piece to move up and down; the defrosting component is arranged on one side of the lifting frame, which is close to the fin heat exchanger, and a defrosting end which acts on the fin heat exchanger is arranged on the defrosting component; the monitoring component is arranged on the lifting frame and is positioned on the same side of the defrosting component, and a wind pressure monitoring end and a temperature monitoring end which can horizontally move and act on the fin heat exchanger are arranged on the monitoring component; the backwater component is arranged below the defrosting component and is used for recovering water during defrosting; the solar cell panel and the defrosting component are arranged outside the air source heat pump in a staggered manner and are rotationally connected with the shell of the air source heat pump, and the light collecting surface is provided with a light sensor; the adjusting piece is arranged between the solar cell panel and the lifting frame, and pushes the solar cell panel to turn over along with the up-and-down movement of the lifting frame, so as to adjust the receiving rate of the solar cell panel to sunlight. The controller is used for judging frosting condition, regulating and controlling monitoring and defrosting. The alarm is used for frosting alarm.
Preferably, the first driving member comprises a first motor; the mounting frames are arranged on four top angles at the upper end and the lower end of the air source heat pump, the mounting frames are paired up and down, and a first screw rod is arranged between each pair; the first screw rod is driven by the first motor to realize rotation; the lifting frame is respectively connected with the screw rod through four vertex angles in a threaded manner to realize up-and-down movement.
Preferably, the defrosting assembly comprises a steam generating tank; the steam generating box is arranged on the lifting frame, a steam generating chamber is arranged in the steam generating box, and a steam groove is formed in one side of the steam generating box, which faces the fin heat exchanger; a defrosting seat is arranged in the steam groove, is communicated with the steam generation chamber through a first pressure valve, and is pushed to move towards the fin heat exchanger by steam, and steam spraying heads are arranged on two sides of the steam groove; the steam jet head is communicated with the steam generation chamber through a second pressure valve.
Preferably, the defrosting seat is made of heat-conducting metal, heat in the steam is transferred to the defrosting side of the defrosting seat, and a defrosting knife is arranged on the defrosting side.
Preferably, the monitoring assembly comprises a second driving member and a monitor; the monitor is driven by the second driving part to horizontally slide on the lifting frame, and meanwhile, the monitor monitors the air circulation pressure and the temperature of the fin heat exchanger along with the up-down movement of the lifting frame.
Preferably, the second driving part comprises a second motor; a chute is arranged at the bottom of the lifting frame; a second lead screw is arranged in the chute; the second screw rod is driven by the second motor and rotates in the chute, and a sliding block matched with the second screw rod in a threaded manner is arranged on the second screw rod; the sliding block is connected with the monitor; the temperature monitoring probe is arranged on one side of the monitor, facing the fin heat exchanger, and the wind pressure monitoring probe is arranged on one side, facing away from the fin heat exchanger.
Preferably, the water return assembly comprises a water return tank; the water return tank is arranged outside the air source heat pump, and a filter screen is arranged inside the water return tank; the bottom of the filter screen is provided with a first water return pipe communicated with the water return tank and the air source heat pump shell, and the top of the filter screen is provided with a second water return pipe communicated with the water return tank and the steam generation chamber; and a water pump is arranged on the second water return pipe.
Preferably, the top of the air source heat pump is provided with a mounting seat; the top of the solar panel is hinged with the mounting seat.
Preferably, the adjusting member includes a support rod; the supporting rod is arranged on the lifting frame, and the end part of the supporting rod is provided with a supporting frame; the supporting frame is provided with a pushing wheel; the backlight end of the solar panel is provided with a sliding rail matched with the pushing wheel.
The invention also provides a working method of the wind pressure monitoring defrosting device comprising the air source heat pump, which comprises the following steps:
s1, the lifting frame is driven by a first driving piece to move up and down at regular intervals;
S2, monitoring the working condition of the fin heat exchanger by the wind pressure monitoring end and the temperature monitoring end in the moving process of the lifting frame, and transmitting monitoring data to the controller;
S3, the temperature and the wind pressure of the fin heat exchanger are normal, the lifting frame moves to a proper angle of the solar cell panel, so that light ray induction of the lifting frame is good, solar energy is collected, and the solar energy is converted into electric energy for storage;
S4, when the temperature and the wind pressure of the fin heat exchanger are abnormal and a frosting symptom appears, the controller starts the frosting end of the frosting component to remove the frost layer on the surface of the fin heat exchanger in a heating and mechanical scraping mode, and meanwhile, the alarm sends a frosting early warning to staff;
s5, the backwater component recovers water generated in the defrosting process, and secondary icing is avoided.
Compared with the prior art, the invention has the following beneficial technical effects:
The device is arranged at the periphery of the air source heat pump, and has compact structure and small occupied space. The lifting frame is arranged to be liftable, and the angle of the solar cell panel can be adjusted through the adjusting piece in the lifting process, so that the ideal light receiving rate is achieved, and energy conservation and environmental protection are realized. The temperature and the wind pressure of the fin end of the fin heat exchanger are comprehensively monitored through the monitoring assembly, and the frosting problem is timely found. And defrosting the fin ends of the fin heat exchanger through the defrosting component. And water flowing into the air source heat pump during defrosting is recovered through the water return component and is used for subsequent defrosting, so that water resource circulation is realized, and secondary frosting is effectively avoided. The device is energy-saving and environment-friendly, has strong automaticity and intelligence, effectively protects the normal work of the fin heat exchanger and ensures the heat exchange performance of the air source heat pump.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention (view angle I);
FIG. 2 is a schematic diagram of an embodiment of the present invention (view II);
FIG. 3 is an enlarged view of FIG. 1 at A;
FIG. 4 is a cross-sectional view of a defrosting assembly of one embodiment of the invention;
FIG. 5 is an enlarged view of FIG. 4 at B;
FIG. 6 is a cross-sectional view of a water return assembly in one embodiment of the invention;
FIG. 7 is an enlarged view at C in FIG. 2;
FIG. 8 is a flow chart of the method of operation of the device in one embodiment of the invention.
Reference numerals: 1. an air source heat pump; 101. a fin heat exchanger; 2. a mounting frame; 3. a lifting frame; 301. a chute; 4. a first driving member; 401. a first motor; 402. a first lead screw; 5. an adjusting member; 501. a support rod; 502. a support frame; 503. a push wheel; 6. a solar cell panel; 601. a slide rail; 7. a defrosting assembly; 701. a steam generation box; 702. a steam generation chamber; 703. a steam tank; 704. a steam jet head; 705. a defrosting seat; 706. a frost scraper; 707. a first pressure valve; 708. a second pressure valve; 8. a backwater assembly; 801. a water return tank; 802. a filter screen; 803. a first water return pipe; 9. a monitoring component; 901. a monitor; 10. a second water return pipe; 11. a water pump; 12. a slide block; 13. and a screw II.
Detailed Description
Example 1
As shown in fig. 1-2, the invention provides a wind pressure monitoring defrosting device of an air source heat pump, which comprises a mounting frame 2, a first driving piece 4, a lifting frame 3, a defrosting component 7, a monitoring component 9, a backwater component 8, a solar panel 6, an adjusting piece 5, a controller and an alarm. The mounting frame 2 is arranged outside the air source heat pump 1; the first driving part 4 is arranged on the mounting frame 2; the lifting frame 3 is sleeved on the periphery of the air source heat pump 1 and is driven by the first driving part 4 to move up and down; the defrosting component 7 is arranged on one side of the lifting frame 3 close to the fin heat exchanger 101, and a defrosting end acting on the fin heat exchanger 101 is arranged on the defrosting component; the monitoring component 9 is arranged on the lifting frame 3 and is positioned on the same side of the defrosting component 7, and a wind pressure monitoring end and a temperature monitoring end which can horizontally move and act on the fin heat exchanger 101 are arranged on the monitoring component; the backwater component 8 is arranged below the defrosting component 7 and is used for recovering water during defrosting; the solar cell panel 6 and the defrosting component 7 are arranged outside the air source heat pump 1 in a staggered manner and are rotationally connected with the shell of the air source heat pump 1, and the light collecting surface is provided with a light sensor; the adjusting piece 5 is arranged between the solar cell panel 6 and the lifting frame 3, and pushes the solar cell panel 6 to turn over along with the up-and-down movement of the lifting frame 3, so as to adjust the receiving rate of the solar cell panel to sunlight. The controller is used for judging frosting condition, regulating and controlling monitoring and defrosting. The alarm is used for frosting alarm.
In this embodiment the device is mounted on the periphery of the air source heat pump 1 by means of a mounting bracket 2. The lifting frame 3 is arranged to be liftable, and the following actions can be completed in the lifting process: 1. the adjusting piece 5 carries out angle adjustment on the solar cell panel 6 along with the lifting of the lifting frame 3, so that the ideal light receiving rate is achieved. 2. The monitoring component 9 carries out temperature and wind pressure monitoring on the fin end of the fin heat exchanger 101 comprehensively along with the lifting of the lifting frame 3 and simultaneously moves horizontally, so that the frosting problem is found in time. 3. The defrosting component 7 performs defrosting on the fin ends of the fin heat exchanger 101 comprehensively along with the lifting of the lifting frame 3. After defrosting, the backwater component 8 recovers water flowing into the air source heat pump 1 during defrosting, so that secondary frosting is effectively avoided. The device is energy-saving and environment-friendly, and has comprehensive, efficient and intelligent defrosting treatment. The normal operation of the fin heat exchanger 101 is effectively protected, and the heat exchange performance of the air source heat pump 1 is ensured.
Example two
As shown in fig. 1-2, the invention provides a wind pressure monitoring defrosting device of an air source heat pump, which comprises a mounting frame 2, a first driving piece 4, a lifting frame 3, a defrosting component 7, a monitoring component 9, a backwater component 8, a solar panel 6, an adjusting piece 5, a controller and an alarm. The mounting frame 2 is arranged outside the air source heat pump 1; the first driving part 4 is arranged on the mounting frame 2; the lifting frame 3 is sleeved on the periphery of the air source heat pump 1 and is driven by the first driving part 4 to move up and down; the defrosting component 7 is arranged on one side of the lifting frame 3 close to the fin heat exchanger 101, and a defrosting end acting on the fin heat exchanger 101 is arranged on the defrosting component; the monitoring component 9 is arranged on the lifting frame 3 and is positioned on the same side of the defrosting component 7, and a wind pressure monitoring end and a temperature monitoring end which can horizontally move and act on the fin heat exchanger 101 are arranged on the monitoring component; the backwater component 8 is arranged below the defrosting component 7 and is used for recovering water during defrosting; the solar cell panel 6 and the defrosting component 7 are arranged outside the air source heat pump 1 in a staggered manner and are rotationally connected with the shell of the air source heat pump 1, and the light collecting surface is provided with a light sensor; the adjusting piece 5 is arranged between the solar cell panel 6 and the lifting frame 3, and pushes the solar cell panel 6 to turn over along with the up-and-down movement of the lifting frame 3, so as to adjust the receiving rate of the solar cell panel to sunlight. The controller is used for judging frosting condition, regulating and controlling monitoring and defrosting. The alarm is used for frosting alarm.
As shown in fig. 3, the first driving member 4 includes a first motor 401; the mounting frame 2 is arranged on four top angles at the upper end and the lower end of the air source heat pump 1, and is vertically paired, and a screw rod 402 is arranged between each pair; the first lead screw 402 is driven by the first motor 401 to realize rotation; the lifting frame 3 is respectively connected with the first screw rod 402 through four vertex angles in a threaded manner to realize up-and-down movement. When the lifting frame 3 needs to move, the first motor 401 drives the first screw 402 to rotate, and the lifting frame 3 can move up and down. Since the moving points are arranged on the four top corners of the lifting frame 3, the movement is stable and smooth.
As shown in fig. 4, the defrosting assembly 7 includes a steam generation tank 701; the steam generating box 701 is arranged on the lifting frame 3, a steam generating chamber 702 is arranged in the steam generating box, and a steam groove 703 is arranged on one side of the fin heat exchanger 101; a defrosting seat 705 is arranged in the steam groove 703, is communicated with the steam generation chamber 702 through a first pressure valve 707, and pushes the defrosting seat 705 to move towards the fin heat exchanger 101 through steam, and steam spraying heads 704 are arranged on two sides of the steam groove 703; the spray head 704 communicates with the steam generating chamber 702 through a second pressure valve 708. The defrosting seat 705 is made of heat conducting metal, and transfers heat in steam to a defrosting side of the defrosting seat, and a defrosting knife 706 is arranged on the defrosting side.
In this embodiment, the specific structure of the defrosting assembly 7 is provided, and when defrosting is needed, water is filled in the steam generating chamber 702, and steam is generated under the action of the heating element. The water vapor enters the vapor tank 703 through the first pressure valve 707 to push the defrosting seat 705 to move towards the frost surface and conduct heat to the frost surface. The frost scraping knife 706 of the defrosting seat 705 rubs against the frost surface to mechanically scrape off. On the other hand, the water vapor is sprayed from the spray head 704 to the frost surface through the pressure valve II 708, and the frost surface is heated to accelerate melting. And then the lifting frame 3 is matched to move up and down, so that comprehensive and efficient defrosting is finally realized.
As shown in fig. 5, the monitoring assembly 9 includes a second driver and a monitor 901; the monitor 901 is driven by the second driving member to slide horizontally on the lifting frame 3, and at the same time, the monitor monitors the air circulation pressure and temperature of the fin heat exchanger 101 along with the up-down movement of the lifting frame 3.
It should be further noted that the second driving member includes a second motor; a chute 301 is arranged at the bottom of the lifting frame 3; a second lead screw 13 is arranged in the chute 301; the second screw rod 13 is driven by a second motor to rotate in the sliding groove 301, and a sliding block 12 in threaded fit with the second screw rod is arranged on the second screw rod; the sliding block 12 is connected with the monitor 901; the monitor 901 sets up temperature monitoring probe towards the one side of fin heat exchanger 101, and the one side of backing to fin heat exchanger 101 sets up the wind pressure monitoring probe.
In this embodiment, a specific structure of the monitoring assembly 9 is provided, and the monitor 901 is driven by the second driving member to move horizontally in the lifting process of the lifting frame 3. The temperature monitoring probe monitors the temperature of the end of the fin heat exchanger 101, and the wind pressure monitoring probe monitors the wind pressure of the end of the fin heat exchanger 101. When the fin temperature of the fin heat exchanger 101 is below the set threshold, there is a risk of frosting, and the fin heat exchanger 101 is heated by the defrosting assembly 7 to prevent frosting. When the wind pressure value is below the threshold value, there is a risk of foreign matter adhesion, and some foreign matter can be removed by mechanical scraping of the defrosting assembly 7 and water vapor spraying soaking. And when the temperature and the wind pressure value are lower than the set threshold values, indicating that frosting is formed. The quick defrosting is realized by mechanical scraping of the defrosting component 7 and steam spraying, heating and scraping.
As shown in fig. 6, the return water assembly 8 includes a return water tank 801; the water return tank 801 is arranged outside the air source heat pump 1, and a filter screen 802 is arranged inside the water return tank; the bottom of the filter screen 802 is provided with a first return pipe 803 which is communicated with the return water tank 801 and the air source heat pump 1 shell, and the top of the filter screen is provided with a second return pipe 10 which is communicated with the return water tank 801 and the steam generation chamber 702; and a water pump 11 is arranged on the second water return pipe 10.
In this embodiment, a specific structure of the water return assembly 8 is provided, and water melted in the defrosting process enters the air source heat pump 1 and is introduced into the water return tank 801 through the water return pipe 803. After filtering through filter screen 802, for the next defrosting. The circulation of water resources is realized, and secondary frosting is avoided.
Example III
As shown in fig. 1-2, the invention provides a wind pressure monitoring defrosting device of an air source heat pump, which comprises a mounting frame 2, a first driving piece 4, a lifting frame 3, a defrosting component 7, a monitoring component 9, a backwater component 8, a solar panel 6, an adjusting piece 5, a controller and an alarm. The mounting frame 2 is arranged outside the air source heat pump 1; the first driving part 4 is arranged on the mounting frame 2; the lifting frame 3 is sleeved on the periphery of the air source heat pump 1 and is driven by the first driving part 4 to move up and down; the defrosting component 7 is arranged on one side of the lifting frame 3 close to the fin heat exchanger 101, and a defrosting end acting on the fin heat exchanger 101 is arranged on the defrosting component; the monitoring component 9 is arranged on the lifting frame 3 and is positioned on the same side of the defrosting component 7, and a wind pressure monitoring end and a temperature monitoring end which can horizontally move and act on the fin heat exchanger 101 are arranged on the monitoring component; the backwater component 8 is arranged below the defrosting component 7 and is used for recovering water during defrosting; the solar cell panel 6 and the defrosting component 7 are arranged outside the air source heat pump 1 in a staggered manner and are rotationally connected with the shell of the air source heat pump 1, and the light collecting surface is provided with a light sensor; the adjusting piece 5 is arranged between the solar cell panel 6 and the lifting frame 3, and pushes the solar cell panel 6 to turn over along with the up-and-down movement of the lifting frame 3, so as to adjust the receiving rate of the solar cell panel to sunlight. The controller is used for judging frosting condition, regulating and controlling monitoring and defrosting. The alarm is used for frosting alarm.
As shown in fig. 3, the first driving member 4 includes a first motor 401; the mounting frame 2 is arranged on four top angles at the upper end and the lower end of the air source heat pump 1, and is vertically paired, and a screw rod 402 is arranged between each pair; the first lead screw 402 is driven by the first motor 401 to realize rotation; the lifting frame 3 is respectively connected with the first screw rod 402 through four vertex angles in a threaded manner to realize up-and-down movement. When the lifting frame 3 needs to move, the first motor 401 drives the first screw 402 to rotate, and the lifting frame 3 can move up and down. Since the moving points are arranged on the four top corners of the lifting frame 3, the movement is stable and smooth.
As shown in fig. 1-2, the top of the air source heat pump 1 is provided with a mounting seat; the top of the solar panel 6 is hinged with the mounting seat.
As shown in fig. 7, the regulating member 5 includes a supporting rod 501; the supporting rod 501 is arranged on the lifting frame 3, and the end part is provided with a supporting frame 502; a pushing wheel 503 is arranged on the supporting frame 502; the backlight end of the solar panel 6 is provided with a slide rail 601 matched with the pushing wheel 503.
The structure of setting up regulating part 5 in this embodiment, air source heat pump 1 installs and outdoor, and solar cell panel 6 is used for daily light energy to collect, can be used to the power supply of air source heat pump 1, realizes energy-concerving and environment-protective. But as the light varies, the efficiency with which the solar panel 6 collects sunlight varies. At this time, the lifting frame 3 lifts to drive the supporting rod 501 to move synchronously, and the pushing wheel 503 drives the solar panel 6 to deflect to adjust the light collecting efficiency, so as to achieve a more ideal light energy utilization effect.
Example IV
As shown in fig. 8, the invention further provides a working method of the wind pressure monitoring defrosting device comprising the air source heat pump, which comprises the following steps:
S1, the lifting frame 3 is driven by the first driving part 4 to move up and down at regular intervals;
s2, monitoring the working condition of the fin heat exchanger 101 by a wind pressure monitoring end and a temperature monitoring end in the moving process of the lifting frame 3, and transmitting monitoring data to a controller;
s3, the temperature and the wind pressure of the fin heat exchanger 101 are normal, the lifting frame 3 moves to the solar cell panel 6 at a proper angle, so that light ray induction is better, solar energy is collected, and the solar energy is converted into electric energy for storage;
S4, when the temperature and the wind pressure of the fin heat exchanger 101 are abnormal and a frosting symptom appears, the controller starts the frosting end of the frosting component 7 to remove a frosting layer on the surface of the fin heat exchanger 101 in a heating and mechanical scraping mode, and meanwhile an alarm sends a frosting early warning to staff;
s5, the backwater component 8 recovers water generated in the defrosting process, and secondary icing is avoided.
The air pressure monitoring defrosting device of the air source heat pump has the effects of monitoring, defrosting and producing capacity, is simple in operation method, has high automaticity and intelligence, and is beneficial to outdoor installation and use of the air source heat pump 1.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (5)
1. The utility model provides a wind pressure monitoring defrosting device of air source heat pump which characterized in that includes:
the mounting frame (2) is arranged outside the air source heat pump (1);
the first driving piece (4) is arranged on the mounting frame (2);
The lifting frame (3) is sleeved on the periphery of the air source heat pump (1) and driven by the first driving part (4) to move up and down;
The defrosting assembly (7) is arranged on one side, close to the fin heat exchanger (101), of the lifting frame (3), and a defrosting end acting on the fin heat exchanger (101) is arranged on the defrosting assembly (7) and comprises a steam generation box (701); the steam generating box (701) is arranged on the lifting frame (3), a steam generating chamber (702) is arranged in the steam generating box, and a steam groove (703) is arranged at one side of the fin heat exchanger (101); a defrosting seat (705) is arranged in the steam groove (703), is communicated with the steam generation chamber (702) through a first pressure valve (707), and pushes the defrosting seat (705) to move towards the fin heat exchanger (101) through steam, and steam spraying heads (704) are arranged on two sides of the steam groove (703); the steam jet head (704) is communicated with the steam generation chamber (702) through a second pressure valve (708); the defrosting seat (705) is made of heat conducting metal, heat in the steam is transferred to the defrosting side of the defrosting seat, and a defrosting knife (706) is arranged on the defrosting side;
The monitoring assembly (9) is arranged on the lifting frame (3) and is positioned on the same side of the defrosting assembly (7), a wind pressure monitoring end and a temperature monitoring end which can horizontally move and act on the fin heat exchanger (101) are arranged on the monitoring assembly, and the monitoring assembly (9) comprises a driving piece II and a monitor (901); the monitor (901) horizontally slides on the lifting frame (3) through the transmission of the second driving part, and simultaneously monitors the air circulation pressure and the temperature of the fin heat exchanger (101) along with the up-down movement of the lifting frame (3); the second driving part comprises a second motor; a chute (301) is arranged at the bottom of the lifting frame (3); a screw rod II (13) is arranged in the chute (301); the screw rod II (13) is driven by the motor II and rotates in the chute (301), and a sliding block (12) in threaded fit with the screw rod II is arranged on the screw rod II; the sliding block (12) is connected with the monitor (901); a temperature monitoring probe is arranged on one side of the monitor (901) facing the fin heat exchanger (101), and a wind pressure monitoring probe is arranged on one side of the monitor facing away from the fin heat exchanger (101);
The backwater component (8) is arranged below the defrosting component (7) and is used for recovering water during defrosting, and the backwater component (8) comprises a backwater tank (801); the water return tank (801) is arranged outside the air source heat pump (1), and a filter screen (802) is arranged inside the water return tank; the bottom of the filter screen (802) is provided with a first water return pipe (803) communicated with the water return tank (801) and the shell of the air source heat pump (1), and the top of the filter screen is provided with a second water return pipe (10) communicated with the water return tank (801) and the steam generation chamber (702); a water pump (11) is arranged on the second water return pipe (10);
the solar cell panel (6) is arranged outside the air source heat pump (1) in a staggered manner with the defrosting component (7), is rotationally connected with the shell of the air source heat pump (1), and is provided with a light sensor on the light collecting surface;
The adjusting piece (5) is arranged between the solar cell panel (6) and the lifting frame (3), and pushes the solar cell panel (6) to turn over along with the up-and-down movement of the lifting frame (3) so as to adjust the receiving rate of the solar cell panel to sunlight;
The controller is used for judging frosting condition, regulating and controlling monitoring and defrosting;
and the alarm is used for giving an alarm of frosting.
2. A wind pressure monitoring defrosting apparatus of an air source heat pump according to claim 1, wherein the first driving member (4) comprises a first motor (401); the mounting frames (2) are arranged on four top angles at the upper end and the lower end of the air source heat pump (1), the upper end and the lower end of the air source heat pump are paired, and a first screw rod (402) is arranged between each pair; the screw rod I (402) is driven by the motor I (401) to realize rotation; the lifting frame (3) is respectively connected with the first lead screw (402) through four vertex angles in a threaded manner to realize up-and-down movement.
3. The wind pressure monitoring defrosting device of the air source heat pump according to claim 1, wherein a mounting seat is arranged at the top of the air source heat pump (1); the top of the solar panel (6) is hinged with the mounting seat.
4. A wind pressure monitoring defrosting device of an air source heat pump according to claim 1, characterized in that the adjusting member (5) comprises a supporting rod (501); the supporting rod (501) is arranged on the lifting frame (3), and the end part of the supporting rod is provided with a supporting frame (502); a pushing wheel (503) is arranged on the supporting frame (502); the backlight end of the solar panel (6) is provided with a sliding rail (601) matched with the pushing wheel (503).
5. A method of operating a wind pressure monitoring defrosting device comprising an air source heat pump according to any one of claims 1 to 4, characterized by the steps of:
s1, the lifting frame (3) is driven by the first driving part (4) to move up and down at regular intervals;
S2, monitoring the working condition of the fin heat exchanger (101) by a wind pressure monitoring end and a temperature monitoring end in the moving process of the lifting frame (3), and transmitting monitoring data to a controller;
S3, the temperature and the wind pressure of the fin heat exchanger (101) are normal, the lifting frame (3) moves to the solar cell panel (6) at a proper angle, so that light ray induction is better, solar energy is collected, and the solar energy is converted into electric energy for storage;
s4, when the temperature and the wind pressure of the fin heat exchanger (101) are abnormal and a frosting symptom appears, the controller starts a frosting end of the frosting component (7) to remove a frosting layer on the surface of the fin heat exchanger (101) in a heating and mechanical scraping mode, and meanwhile an alarm sends a frosting early warning to a worker;
s5, the backwater component (8) recovers water generated in the defrosting process, and secondary freezing is avoided.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310968760.0A CN117232182B (en) | 2023-08-02 | 2023-08-02 | Wind pressure monitoring defrosting device of air source heat pump |
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| CN202310968760.0A CN117232182B (en) | 2023-08-02 | 2023-08-02 | Wind pressure monitoring defrosting device of air source heat pump |
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| CN117232182B true CN117232182B (en) | 2024-04-23 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426109A (en) * | 2020-03-16 | 2020-07-17 | 科希曼电器有限公司 | Air source heat pump defrosting system and method based on temperature and wind pressure difference detection |
| CN212029986U (en) * | 2020-04-23 | 2020-11-27 | 昆明楷源节能科技有限公司 | Improved defrosting device of air source heat pump water heater |
| CN213514530U (en) * | 2020-11-21 | 2021-06-22 | 江苏英泊索尔新能源有限公司 | Air source heat pump defrosting structure |
| CN114857806A (en) * | 2022-05-05 | 2022-08-05 | 山东和同信息科技股份有限公司 | Multi-energy complementary air source heat pump system with defrosting function |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426109A (en) * | 2020-03-16 | 2020-07-17 | 科希曼电器有限公司 | Air source heat pump defrosting system and method based on temperature and wind pressure difference detection |
| CN212029986U (en) * | 2020-04-23 | 2020-11-27 | 昆明楷源节能科技有限公司 | Improved defrosting device of air source heat pump water heater |
| CN213514530U (en) * | 2020-11-21 | 2021-06-22 | 江苏英泊索尔新能源有限公司 | Air source heat pump defrosting structure |
| CN114857806A (en) * | 2022-05-05 | 2022-08-05 | 山东和同信息科技股份有限公司 | Multi-energy complementary air source heat pump system with defrosting function |
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