Heat pump heating equipment with controllable air source temperature

Abstract

The utility model discloses heat pump heating equipment with controllable air source temperature, which particularly relates to the field of heating and comprises a box body, an evaporator is arranged on one side of the top of the box body, one end of the evaporator is connected with a compressor through a heat pump circulating pipeline, the compressor is arranged on one side of the bottom of the evaporator, and a fan is arranged on one side of the evaporator. Ventilation grids are arranged on the outer walls of the two sides of the top of the box body, a cleaning mechanism is arranged at the top of the ventilation grid close to one side of the fan, and the cleaning mechanism comprises a driving box, a screw rod, a moving block, a moving strip, a cleaning cotton block and a servo motor; the servo motor drives the lead screw to rotate, the lead screw rotates to drive the moving block to do translational motion, the moving block moves to drive the moving strip and the cleaning cotton block to do synchronous translational motion, the cleaning cotton block moves so as to clean the ventilation grid, and the situation that the ventilation grid is blocked, the air inlet efficiency is affected, and consequently the heating efficiency is reduced is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the heating field more specifically, the utility model relates to a kind of air source temperature controllable heat pump heating equipment. BACKGROUND

[0002] Air source heat pump heating equipment is a kind of device using the principle of reverse Carnot cycle, with air as heat source, realizes low-grade heat energy to high-grade heat energy transfer.It realizes heating function by compressor, expansion valve, evaporator, condenser and other components, converts low-temperature heat energy into high-temperature heat energy;

[0003] After searching, the existing patent (publication number: CN215489946U) discloses an air energy energy-saving heat pump heating equipment, relating to the field of air energy heat pump, to solve the problem that the existing water tank is easily affected by the external environment during heating and storage in the prior art. The inside of the water tank is provided with a storage tank, the storage tank is cylindrical, the storage tank is fixedly connected with the water tank, a heat exchange coil is arranged between the storage tank and the water tank, the heat exchange coil is bolt-shaped, the heat exchange coil is wound on the outer wall of the storage tank, the heat exchange coil comprises an outer tube wall, the storage tank is circular, an inner tube wall is arranged in the outer tube wall, the inner tube wall is hexagonal, a refrigerant cavity is arranged between the inner tube wall and the outer tube wall, a storage cavity is arranged in the storage tank, a drain pipe is arranged at the lower end of the storage cavity, the drain pipe is connected with the storage tank by argon arc welding, and a water inlet pipe is arranged at the front end of the storage cavity. The inventor found that the prior art has the following problems in the process of implementing the utility model:

[0004] Air source heat pump heating equipment is accumulated with dust at the grid of evaporator air inlet after long time work, needs to be cleaned regularly to avoid air grid blockage, the existing heat pump heating equipment often does not have self-cleaning function, and secondly, it often does not have the function of accurate temperature control for different required temperatures.

[0005] Therefore, an air source temperature controllable heat pump heating equipment is proposed to solve the above problems. SUMMARY

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides an air source temperature controllable heat pump heating equipment to solve the problems raised in the above background art.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: an air source temperature controllable heat pump heating equipment, including the box, one side of the top of box is provided with evaporimeter, one end of evaporimeter is connected with compressor through heat pump circulation pipeline, the compressor is located at the bottom side of evaporimeter, one side of evaporimeter away from compressor is connected with condenser through heat pump circulation pipeline, one end of condenser is connected with expansion valve through heat pump circulation pipeline, and the expansion valve is connected with evaporimeter through heat pump circulation pipeline, one side of evaporimeter is provided with fan, both sides of the top of box are provided with ventilation grille, the top of ventilation grille near the side of fan is provided with cleaning mechanism, the cleaning mechanism includes drive box, screw rod, moving block, moving strip, cleaning cotton block and servo motor.

[0008] Preferably, one side of the top of the ventilation grille is provided with a drive box, the inner walls of the drive box on both sides are connected with a screw rod through a bearing, the outer wall of the screw rod is threadedly connected with a moving block, the outer wall of the moving block is embedded in the drive box, the bottom end of the moving block is connected with a moving strip through the drive box, the moving strip is arranged with cleaning cotton blocks on one side, and the outer wall of the cleaning cotton block abuts against the ventilation grille.

[0009] Preferably, one side of the drive box is provided with a servo motor, the output end of the servo motor is connected with the screw rod, the servo motor drives the screw rod to rotate, the screw rod rotates to drive the moving block to move in translation, and the moving block moves to drive the moving strip and the cleaning cotton block to move in translation synchronously.

[0010] Preferably, one end of the condenser is communicated with a water inlet pipe, the end of the condenser away from the water inlet pipe is communicated with a water outlet pipe, one side of the box is provided with a water storage tank, the water storage tank is communicated with the water outlet pipe, one side of the water storage tank is provided with a circulating heat exchange pipe, one end of the circulating heat exchange pipe is communicated with the condenser, and a water pump is arranged in the middle of the circulating heat exchange pipe.

[0011] Preferably, the end of the water storage tank away from the water outlet pipe is connected with a first flow guide pipe, the first flow guide pipe is provided with a second flow guide pipe on one side, the first flow guide pipe and the second flow guide pipe are both connected with a flow collection pipe through a three-way valve, a mixing chamber is arranged in the middle of the flow collection pipe, a support is arranged on the inner wall of the mixing chamber, a rotating rod is connected with the support in the middle through a bearing, helical blades are arranged on the outer wall of the rotating rod, and temperature sensors are arranged on the inner walls of the mixing chamber and the water storage tank.

[0012] Preferably, electromagnetic valves are arranged in the middle of the first flow guide pipe and the second flow guide pipe, a controller is arranged on one side of the top of the water storage tank, and the controller is connected with the electromagnetic valves and the temperature sensors through wires.

[0013] The technical effect and advantages of the utility model are:

[0014] Compared with the prior art, the air source temperature controllable heat pump heating equipment needs to start the servo motor when the ventilation grille needs to be cleaned, drives the screw rod to rotate through the servo motor, drives the moving block to move in translation through the rotation of the screw rod, drives the moving strip and the cleaning cotton block to move in synchronization through the movement of the moving block, and the cleaning cotton block moves to clean the ventilation grille, avoiding the blockage of the ventilation grille affecting the air intake efficiency and reducing the heating efficiency.

[0015] Compared with the prior art, the air source temperature controllable heat pump heating equipment can monitor the real-time temperature in the mixing cavity through the temperature sensor, transmits the temperature signal to the controller, controls the opening and closing size of the two groups of electromagnetic valves respectively, and adjusts the water source passing through, so that the temperature of the hot water discharged in the collecting pipe is accurately adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic view of the utility model.

[0017] Figure 2 It is the cleaning mechanism structure schematic view of the utility model.

[0018] Figure 3 It is the water storage tank and flow guide pipe connecting structure schematic view of the utility model.

[0019] Figure 4 It is the mixing cavity structure schematic view of the utility model.

[0020] The figure mark is: 1, the box body; 2, the evaporator; 201, the heat pump circulation pipeline; 3, the compressor; 4, the condenser; 5, the expansion valve; 6, the fan; 7, the ventilation grille; 8, the cleaning mechanism; 9, the drive box; 10, the screw rod; 11, the moving block; 12, the moving strip; 13, the cleaning cotton block; 14, the servo motor; 15, the water inlet pipe; 16, the water outlet pipe; 17, the water storage tank; 171, the circulation heat exchange pipe; 172, the water pump; 18, the first flow guide pipe; 19, the second flow guide pipe; 20, the three-way valve; 21, the collecting pipe; 22, the mixing cavity; 23, the support; 24, the rotating rod; 25, the spiral blade; 26, the temperature sensor; 27, the electromagnetic valve; 28, the controller. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model. Example 1

[0022] As attached Figures 1 to 3 The shown heat pump heating equipment with controllable air source temperature includes a box body 1, an evaporator 2 is provided on the top side of the box body 1, one end of the evaporator 2 is connected to the compressor 3 through the heat pump circulation pipe 201, the compressor 3 is provided on the bottom side of the evaporator 2, and the side of the evaporator 2 away from the compressor 3 is connected to the condenser 4 through the heat pump circulation pipe 201, one end of the condenser 4 is connected to the expansion valve 5 through the heat pump circulation pipe 201, and the expansion valve 5 and the evaporator 2 are connected through the heat pump circulation pipe 201, a fan 6 is provided on one side of the evaporator 2, ventilation grilles 7 are provided on the outer walls on both sides of the top of the box body 1, and a cleaning mechanism 8 is provided on the top of the ventilation grille 7 close to the fan 6. The cleaning mechanism 8 includes a drive box 9, a screw rod 10, a moving block 11, a moving bar 12, a cleaning cotton block 13 and a servo motor 14.

[0023] Among them: the box body 1 plays a supporting role, the evaporator 2 is used to absorb heat from the external low-temperature heat source, and the heat in the low-temperature heat source in the air source is absorbed by the refrigerant in the evaporator 2, and the refrigerant is evaporated into gas. After evaporation, the refrigerant becomes a gaseous state and enters the compressor 3. The function of the compressor 3 is to compress the refrigerant gas into a high-temperature and high-pressure gas. The high-temperature and high-pressure gas after compression enters the refrigerant in the condenser 4 to release heat and transfer the heat to the surrounding water source. Through the condensation process, the refrigerant changes from a gaseous state to a liquid state. The condensed refrigerant liquid expands through the expansion valve 5 to reduce its pressure and temperature, and then returns to the evaporator 2 to start a new cycle. The air can be accelerated to the surface of the evaporator 2 by the fan 6 to improve its evaporation efficiency. The impurities can be blocked by the ventilation grille 7, and the ventilation grille 7 can be cleaned by the cleaning mechanism 8 to avoid long-term use causing dust accumulation on the surface of the ventilation grille 7, thereby affecting the air intake efficiency. Example 2

[0024] Based on Example 1, the solution in Example 1 is further detailed in combination with the following specific working methods. Figures 1 to 4 As shown, see the following description for details:

[0025] As a preferred implementation, the top side of the ventilation grille 7 is provided with a drive box 9, the inner walls of both sides of the drive box 9 are connected with a lead screw 10 through bearings, the outer wall of the lead screw 10 is threadedly connected with a moving block 11, the outer wall of the moving block 11 is embedded in the drive box 9, the bottom end of the moving block 11 is connected with a moving strip 12 through the drive box 9, one side of the moving strip 12 is arranged with a cleaning cotton block 13, and the outer wall of the cleaning cotton block 13 abuts against the ventilation grille 7; further, the drive box 9 supports and opens downward, the lead screw 10 can rotate in the drive box 9, and the rotation of the lead screw 10 can drive the moving block 11 to move synchronously.

[0026] As a preferred implementation, one side of the drive box 9 is provided with a servo motor 14, the output end of the servo motor 14 is connected with the lead screw 10, the servo motor 14 drives the lead screw 10 to rotate, the rotation of the lead screw 10 drives the moving block 11 to move translationally, and the movement of the moving block 11 drives the moving strip 12 and the cleaning cotton block 13 to move translationally synchronously; further, when the ventilation grille 7 needs to be cleaned, the servo motor 14 can be started, the servo motor 14 drives the lead screw 10 to rotate, the rotation of the lead screw 10 drives the moving block 11 to move translationally, the movement of the moving block 11 drives the moving strip 12 and the cleaning cotton block 13 to move translationally synchronously, the cleaning cotton block 13 moves to clean the ventilation grille 7, and the clogging of the ventilation grille 7 is avoided to affect the air intake efficiency and reduce the heating efficiency.

[0027] As a preferred implementation, one end of the condenser 4 is communicated with a water inlet pipe 15, the end of the condenser 4 away from the water inlet pipe 15 is communicated with a water outlet pipe 16, one side of the box body 1 is provided with a water storage tank 17, the water storage tank 17 is communicated with the water outlet pipe 16, one side of the water storage tank 17 is provided with a circulating heat exchange pipe 171, one end of the circulating heat exchange pipe 171 is communicated with the condenser 4, and a water pump 172 is arranged in the middle of the circulating heat exchange pipe 171; further, the water inlet pipe 15 can be connected with an external water source to enter the condenser 4 to exchange heat, so that the water source is heated, the heated water source can be discharged to the water storage tank 17 through the water outlet pipe 16 for storage, the inside of the water storage tank 17 is provided with a heat preservation layer to facilitate heat preservation, and when the temperature inside the water storage tank 17 decreases, the water can be returned to the condenser 4 through the circulating heat exchange pipe 171 and the water pump 172 for secondary heat exchange to continuously maintain the temperature in the water storage tank 17.

[0028] As a preferred implementation, the water storage tank 17 is connected with a first flow guide pipe 18 away from one end of the water outlet pipe 16, the first flow guide pipe 18 is provided with a second flow guide pipe 19 on one side, the first flow guide pipe 18 and the second flow guide pipe 19 are both connected with a flow pipe 21 through a three-way valve 20, the middle part of the flow pipe 21 is provided with a mixing chamber 22, the inner wall of the mixing chamber 22 is connected with a bracket 23, the middle part of the bracket 23 is connected with a rotating rod 24 through a bearing, the outer wall of the rotating rod 24 is arranged with helical blades 25, the inner wall of the mixing chamber 22 and the water storage tank 17 are both provided with temperature sensors 26; further, the water storage tank 17 can be conducted to the flow pipe 21 through the first flow guide pipe 18 into the mixing chamber 22, the second flow guide pipe 19 can be connected with the external water source into the mixing chamber 22, the hot water in the water storage tank 17 and the cold water in the second flow guide pipe 19 are mixed in different proportions to adjust the temperature to the required temperature to discharge to realize the temperature control effect, the water temperature in the mixing chamber 22 can be monitored by the temperature sensor 26 to facilitate accurate temperature control, and the helical blades 25 can be driven to rotate after the water flow passes through the mixing chamber 22 to make the water flow spiral to facilitate the mixing of hot and cold water.

[0029] As a preferred implementation, the middle part of the first flow guide pipe 18 and the second flow guide pipe 19 are both provided with electromagnetic valves 27, the top side of the water storage tank 17 is provided with a controller 28, the controller 28 is connected with the electromagnetic valves 27 and the temperature sensors 26 through wires; further, the real-time temperature in the mixing chamber 22 can be monitored by the temperature sensor 26, the temperature signal is transmitted to the controller 28, the controller 28 controls the opening and closing size of the two groups of electromagnetic valves 27 respectively to adjust the water source to pass through, so as to accurately adjust the temperature of the hot water discharged from the flow pipe 21.

[0030] The working process of the utility model is as follows: first, air is accelerated to blow to the surface of the evaporator 2 by the fan 6, the evaporator 2 is used to absorb heat from the low temperature heat source outside, the heat in the low temperature heat source is absorbed by the refrigerant in the evaporator 2, and the refrigerant is evaporated into gas, after evaporation, the refrigerant becomes gas state, and enters the compressor 3, the function of the compressor 3 is to compress the refrigerant gas into high temperature and high pressure gas, the high temperature and high pressure gas after compression enters the condenser 4, the refrigerant releases heat, and the heat is transferred to the surrounding water source, through the condensation process, the refrigerant changes from gas state to liquid state, the refrigerant liquid after condensation expands through the expansion valve 5, so that its pressure and temperature are reduced, and then returns to the evaporator 2 to start a new cycle, the air is accelerated to blow to the surface of the evaporator 2 by the fan 6, so that the evaporation efficiency is improved, the impurities are blocked through the air grille 7, the air grille 7 is cleaned through the cleaning mechanism 8 to avoid dust accumulation on the surface of the air grille 7 caused by long time use, so that the air inlet efficiency is affected, when the air grille 7 needs to be cleaned, the servo motor 14 can be started, the servo motor 14 drives the screw rod 10 to rotate, the screw rod 10 drives the moving block 11 to move in translation, the moving block 11 drives the moving strip 12 and the cleaning cotton block 13 to move in translation synchronously, the cleaning cotton block 13 moves to clean the air grille 7, so that the air grille 7 is not blocked, the air inlet efficiency is affected, and the heating efficiency is reduced, the water inlet pipe 15 can be connected to the external water source to enter the condenser 4 to exchange heat, so that the water source is heated;

[0031] The heated water source can be discharged to the water storage tank 17 through the water outlet pipe 16 for storage, the water storage tank 17 is provided with a heat preservation layer inside to facilitate heat preservation, and when the temperature inside the water storage tank 17 is reduced, the circulating heat exchange pipe 171 and the water pump 172 can be used to return the water to the condenser 4 for secondary heat exchange, so that the temperature in the water storage tank 17 is continuously maintained, and the water storage tank 17 can be conducted to the manifold 21 through the No. 1 flow guide pipe 18 and enters the mixing chamber 22, the No. 2 flow guide pipe 19 can be connected to the external water source to enter the mixing chamber 22, and the hot water in the water storage tank 17 and the cold water in the No. 2 flow guide pipe 19 are mixed in different proportions to adjust the temperature to the required temperature and discharge to realize the temperature control effect;

[0032] The temperature sensor 26 can monitor the water temperature in the mixing chamber 22 to facilitate accurate temperature control, and the water flow can drive the spiral blade 25 to rotate after passing through the mixing chamber 22, so that the water flow spirally moves to facilitate the mixing of hot and cold water, the temperature sensor 26 can monitor the real-time temperature in the mixing chamber 22, and the temperature signal is transmitted to the controller 28, the controller 28 controls the opening and closing size of the two groups of electromagnetic valves 27 respectively to adjust the water source passing through, so that the temperature of the hot water discharged from the manifold 21 is accurately adjusted, and the working principle of the air source temperature controllable heat pump heating equipment is as follows.

Claims

1. An air source temperature controllable heat pump heating apparatus comprising a cabinet (1), characterised in that: The top side of the box (1) is provided with an evaporator (2), one end of the evaporator (2) is connected with a compressor (3) through a heat pump circulating pipeline (201), the compressor (3) is arranged on the bottom side of the evaporator (2), the side of the evaporator (2) away from the compressor (3) is connected with a condenser (4) through the heat pump circulating pipeline (201), one end of the condenser (4) is communicated with an expansion valve (5) through the heat pump circulating pipeline (201), and the expansion valve (5) and the evaporator (2) are communicated through the heat pump circulating pipeline (201), one side of the evaporator (2) is provided with a fan (6), both sides of the top of the box (1) are provided with air grilles (7), the top of the air grille (7) near the side of the fan (6) is provided with a cleaning mechanism (8), and the cleaning mechanism (8) comprises a driving box (9), a lead screw (10), a moving block (11), a moving strip (12), a cleaning cotton block (13) and a servo motor (14).

2. An air source temperature controllable heat pump heating device as claimed in claim 1, characterised in that: The top side of the air grille (7) is provided with a driving box (9), the inner walls of the driving box (9) on both sides are connected with lead screws (10) through bearings, the outer wall of the lead screw (10) is threadedly connected with a moving block (11), the outer wall of the moving block (11) is embedded in the driving box (9), the bottom end of the moving block (11) penetrates through the driving box (9) and is connected with a moving strip (12), one side of the moving strip (12) is arranged with cleaning cotton blocks (13), and the outer wall of the cleaning cotton block (13) abuts with the air grille (7).

3. An air source temperature controllable heat pump heating device as claimed in claim 2, characterised in that: One side of the driving box (9) is provided with a servo motor (14), the output end of the servo motor (14) is connected with the lead screw (10), the servo motor (14) drives the lead screw (10) to rotate, the lead screw (10) rotates to drive the moving block (11) to move in translation, and the moving block (11) moves to drive the moving strip (12) and the cleaning cotton block (13) to move in translation synchronously.

4. An air source temperature controllable heat pump heating device as claimed in claim 1, characterised in that: One end of the condenser (4) is communicated with a water inlet pipe (15), the end of the condenser (4) away from the water inlet pipe (15) is communicated with a water outlet pipe (16), one side of the box (1) is provided with a water storage tank (17), the water storage tank (17) is communicated with the water outlet pipe (16), one side of the water storage tank (17) is provided with a circulating heat exchange pipe (171), one end of the circulating heat exchange pipe (171) is communicated with the condenser (4), and the middle of the circulating heat exchange pipe (171) is provided with a water pump (172).

5. An air source temperature controllable heat pump heating device as claimed in claim 4, characterised in that: The water storage tank (17) is connected with a number one guide pipe (18) far from the water outlet pipe (16), one side of the number one guide pipe (18) is provided with a number two guide pipe (19), the number one guide pipe (18) and the number two guide pipe (19) are both connected with a flow pipe (21) through a three-way valve (20), the middle part of the flow pipe (21) is provided with a mixing chamber (22), the inner wall of the mixing chamber (22) is connected with a support (23), the middle part of the support (23) is connected with a rotating rod (24) through a bearing, the outer wall of the rotating rod (24) is arranged with spiral blades (25), the inner wall of the mixing chamber (22) and the water storage tank (17) are both provided with temperature sensors (26).

6. An air source temperature controllable heat pump heating device as claimed in claim 5, characterised in that: The middle part of the number one guide pipe (18) and the number two guide pipe (19) are both provided with electromagnetic valves (27), one side of the top of the water storage tank (17) is provided with a controller (28), the controller (28) is connected with the electromagnetic valves (27) and the temperature sensors (26) through wires.

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