CN113883581A - Movable heat storage fan heater, use method thereof and thermodynamic system - Google Patents
Movable heat storage fan heater, use method thereof and thermodynamic system Download PDFInfo
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- CN113883581A CN113883581A CN202111059857.7A CN202111059857A CN113883581A CN 113883581 A CN113883581 A CN 113883581A CN 202111059857 A CN202111059857 A CN 202111059857A CN 113883581 A CN113883581 A CN 113883581A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D11/00—Central heating systems using heat accumulated in storage masses
- F24D11/02—Central heating systems using heat accumulated in storage masses using heat pumps
- F24D11/0257—Central heating systems using heat accumulated in storage masses using heat pumps air heating system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1084—Arrangement or mounting of control or safety devices for air heating systems
- F24D19/1087—Arrangement or mounting of control or safety devices for air heating systems system using a heat pump
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- Thermal Sciences (AREA)
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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The invention relates to the field of phase change energy storage heat exchangers, in particular to a movable heat storage warm air blower which comprises a shell, an air inlet, an air outlet, two hinges, a heat storage device, a fan and a power supply device, wherein the air inlet and the air outlet are formed in the shell, the two hinges are used for opening and closing the air inlet and the air outlet respectively, the heat storage device is installed in the shell and is used for storing heat, the power supply device is electrically connected with the fan, the air inlet and the air outlet are formed in two ends of the heat storage device respectively, and an interface used for inserting a heat charging connector into the heat storage device is further arranged on the shell. In this technical scheme, the heat-retaining device of dress in the shell accessible external heat pump heat supply after closing the loose-leaf, carries out the heat-retaining operation, and the fan of installing in the heat-retaining device can increase the thermal cycle efficiency in the heat-retaining device, can remove the equipment to the place that needs the warm braw after the heat-retaining is accomplished, opens the loose-leaf of income wind gap and air outlet, blows off the warm braw through the fan, can realize heating safely, nimble removal, satisfies people's travelling comfort requirement.
Description
Technical Field
The invention relates to the field of phase change energy storage heat exchangers, in particular to a movable heat storage warm air blower, a using method thereof and a thermodynamic system.
Background
Along with the improvement of living standard, more and more multi-user adopts heat pump hot-water heating system, selects to use the radiator to heat, because traditional heating equipment fixes at the wall usually, to complicated application scene, has defects such as the heat supply is inhomogeneous, partial district intensifies slowly.
In addition, the night temperature is low, and the evaporation temperature of the heat pump system is also reduced, so that the coefficient of performance of the heat pump system is low, and a large amount of work is consumed.
Most of the existing movable heating equipment stores heat by directly contacting a working medium with an energy storage material, and a vacuum recovery pump is adopted to pump away the working medium when the movable heating equipment is used every time, so that potential safety hazards of working medium leakage exist; the water storage type heat storage equipment adopts the heat storage water tank to store heat, the stored heat can be used for heating at night or quickly, but water pipes need to be arranged due to the fact that the heat is transferred out of the heat storage water tank, and the problems that maintenance is difficult, temperature is slowly increased, the water pipes are easy to freeze, block and burst exist in water circulation.
In chinese patent No. CN208382572U, a phase change heat storage type water heater is proposed, in which a driving device for driving water flow is disposed on a circulation pipeline to drive a heat exchanger for heat exchange with hot water in the circulation pipeline, but the equipment in this technical solution cannot be moved, water is supplied through a water pipe for heat exchange, and the water pipe is easily frozen and blocked in winter, and burst, which affects normal use of the equipment.
Disclosure of Invention
The invention provides a movable heat storage warm air blower and a method for applying the same, aiming at overcoming the problem that the warm air blower in the prior art cannot move to supply heat.
In order to solve the technical problems, the invention adopts the technical scheme that: including the shell, locate air intake, air outlet on the shell, be used for the switching respectively two loose-leaf of air intake and air outlet, install be used for storing the heat-retaining device of heat in the shell, fan and with the power supply unit that the fan electricity is connected, air intake and air outlet set up respectively the both ends of heat-retaining device, still be provided with on the shell be used for to the heat-retaining device inserts the interface that fills the hot joint.
In the technical scheme, the hinges at the air inlet and the air outlet are closed, the heat storage device arranged in the shell is connected with the heat charging plug of the external heat pump, the heat storage device is charged with heat, heat storage operation is carried out, and the fan arranged in the heat storage device operates, so that the heat circulation efficiency in the heat storage device can be increased, and the heat storage efficiency is improved. After heat storage is completed, the equipment can be moved to a place where warm air is needed, the hinges of the air inlet and the air outlet are opened, external cold air is guided into the shell from the air inlet through the fan, the cold air and the heat storage device in the shell form warm air after heat exchange, and then the warm air is blown out through the air outlet.
Preferably, the heat storage device comprises a heat storage plate, and the air inlet and the air outlet are respectively arranged at two ends of the heat storage plate. In the technical scheme, the heat storage device is connected with the external heat pump through the heat charging plug, the heat charging plug supplies heat to the heat storage device during heat storage, and the air inlet and the air outlet are respectively arranged at two ends of the heat storage plate, so that heat in the heat storage device can be conveniently sent out through external air during heat supply of the fan heater.
Preferably, the heat storage plate is more than two comb-tooth-shaped heat storage plates formed by staggered embedding of phase change materials. In the technical scheme, the comb-shaped heat storage plate formed by the staggered and embedded phase change materials can improve the contact surface of the heat storage plate and air and improve the exchange efficiency during heat exchange.
Preferably, the heat storage device is further provided with an air inlet channel and an air outlet channel which are communicated with each other, the air inlet channel is surrounded by one side of the heat storage device and the inner wall of the shell, and the air outlet channel is formed by micro-channel flat tubes arranged on the heat storage plate and fins arranged on the micro-channel flat tubes. In this technical scheme, microchannel flat pipe and fin can reduce the velocity of flow of hot-blast in the wind channel, increase the contact surface of entering wind passageway and wind, improve the thermal cycle effect.
Preferably, the fans are more than two and are respectively installed in the air inlet channel and the air outlet channel. In the technical scheme, the fans arranged in the air inlet channel and the air outlet channel can improve the air flow rate in the air inlet channel and the air outlet channel.
Preferably, the surface of the shell is provided with a charging interface and a switch which are connected with the power supply device. In the technical scheme, the fan can be charged by an external power supply through the charging interface and the switch which are connected with the fan.
Preferably, the bottom of the housing is fitted with wheels for sliding of the device.
The invention provides a use method of a movable heat storage fan heater, which comprises the following steps:
s1: the external heat pump is butted with the heat storage device;
s2: closing the hinges of the air inlet and the air outlet, opening the external heat pump, and heating the heat storage device through the external heat pump;
s3: starting a fan, improving the heat circulation rate in the heat storage device, and improving the heat storage capacity of the heat storage device;
s4, after heat storage is finished, the external heat pump and the fan are closed, and the external heat pump is disconnected with the heat storage device;
and S5, moving the warm air blower with the heat storage completed to a place needing heat supply, opening the hinges of the air inlet and the air outlet, opening the fan, and blowing out warm air through the work of the fan.
Preferably, in the step S3, the power supply device is charged simultaneously with the heat storage operation. In this technical scheme, charge the fan through the heat-retaining operation in the time, can improve the use continuation of the journey of fan when the electric fan heater heats.
The invention also provides a thermodynamic system, which comprises a movable heat-storage warm air blower, a first stop valve, a compressor, a four-way reversing valve, a fixed micro-channel heat exchanger, an electronic expansion valve, a second stop valve and an outdoor unit, wherein the fixed micro-channel heat exchanger is wrapped by phase-change materials, a heat charging output interface is also arranged on the shell of the movable heat-storage warm air blower, a first port of the four-way reversing valve is communicated with one end of the first stop valve, the other end of the first stop valve is communicated with a heat charging input interface of the movable heat-storage warm air blower, the heat charging output interface of the movable heat-storage warm air blower is communicated with one end of the second stop valve, the other end of the second stop valve is communicated with one end of the electronic expansion valve, the other end of the electronic expansion valve is communicated with a second port of the four-way reversing valve, a second port of the four-way reversing valve is communicated with a third port of the four-way reversing valve, the third port of the four-way reversing valve is communicated with one port of the compressor, the other end of the compressor is communicated with the fourth port of the four-way reversing valve, and the fourth port of the four-way reversing valve is communicated with the first port of the four-way reversing valve; one end of the micro-channel heat exchanger is communicated with a pipeline connecting the first stop valve and the first port of the four-way reversing valve, and the other end of the micro-channel heat exchanger is communicated with a pipeline connecting the second stop valve and the electronic expansion valve.
In the technical scheme, a thermodynamic system provided with the movable heat storage warm air blower supplies heat to the movable heat storage warm air blower through a high-temperature gaseous working medium, the high-temperature gaseous working medium coming out of a compressor is divided into two paths, and the first path of working medium enters a first branch and passes through a fixed micro-channel heat exchanger; the second path of working medium respectively passes through the stop valve, the movable heat storage fan heater and the stop valve. The two paths of working media are mixed before entering the electronic expansion valve, enter an outdoor unit for evaporation and heat absorption after being throttled and depressurized by the electronic expansion valve, and then enter a compressor through a four-way reversing valve, so that the whole heating cycle is completed. When the heat storage of the movable heat storage fan heater is finished, the stop valve is closed, and at the moment, the high-temperature gaseous working medium coming out of the compressor only enters the first branch circuit for circulation.
Compared with the prior art, the beneficial effects are: the heat storage device arranged in the shell can supply heat through an external heat pump after the loose-leaf is closed, heat storage operation is carried out, the fan arranged in the heat storage device can increase the heat circulation efficiency in the heat storage device, the equipment can be moved to a place needing warm air after heat storage is finished, the loose-leaf of the air inlet and the air outlet is opened, the warm air is blown out through the fan, and therefore safe and flexible moving heating can be achieved, and the comfort requirement of people is met; under the effect of inner loop, can improve the heat transfer coefficient of whole process, effectively solve heating water route in winter and easily freeze the problem of blockking up, bursting etc. for current heating equipment and system, have convenient the removal, multiple functional, charge and discharge efficient advantage.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a mobile heat-storage warm air blower of the present invention;
FIG. 2 is a schematic structural view of an air inlet channel and an air outlet channel of the present invention;
fig. 3 is a schematic diagram of the connections of a thermodynamic system of the invention.
Description of reference numerals:
the heat storage device comprises a shell, a fan, an air inlet, an air outlet, a hinge, a wheel, a heat storage plate, a fin, a micro-channel flat tube, a charging interface, a switch, an air inlet channel, an air outlet channel, a micro-channel flat tube, a charging interface, a switch, an air inlet channel, a micro-channel flat tube, an air outlet channel, a micro-channel flat tube, a micro-channel flat tube, a micro-.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "long", "short", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is only for convenience of description and simplicity of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The technical scheme of the invention is further described in detail by the following specific embodiments in combination with the attached drawings:
example 1
As shown in fig. 1 to 2: including shell 1, locate air intake 31, air outlet 32 on the shell 1, be used for the switching respectively air intake 31 and air outlet 32 two loose-leaf 4, install heat-retaining device, fan 2 that are used for the storage heat in shell 1 and with the power supply unit that the fan 2 electricity is connected, air intake 31 and air outlet 32 set up respectively heat-retaining device's both ends, still be provided with on the shell 1 and be used for filling the interface that the heat connects to heat-retaining device insertion.
In this embodiment, the heat storage device installed in the housing 1 can be connected to a heat charging plug of an external heat pump after closing the hinge 4 to perform heat storage operation, a fan installed in the heat storage device can increase the heat cycle efficiency in the heat storage device, and after heat storage is completed, the device can be moved to a place where warm air is needed, the hinge 4 of the air inlet and the air outlet 32 is opened, and the warm air is blown out by the fan.
The heat storage device includes a heat storage plate 6, and the air inlet 31 and the air outlet 32 are respectively disposed at two ends of the heat storage plate 6. In this embodiment, the heat storage device is connected to an external heat pump through a heat charging plug, the heat charging plug supplies heat to the heat storage device during heat storage, and the air inlet 31 and the air outlet 32 are respectively disposed at two ends of the heat storage plate 6, so that heat in the heat storage device can be conveniently sent out through external air during heat supply of the fan heater.
In addition, the heat storage plate 6 is a comb-shaped heat storage plate 6 formed by alternately embedding more than two phase change materials. In this embodiment, the comb-shaped heat storage plate 6 with the phase change material being fitted in a staggered manner can improve the contact surface between the heat storage plate 6 and the air, and improve the heat exchange efficiency during heat exchange.
Wherein, the heat storage device is also provided with an air inlet channel 11 and an air outlet channel 12 which are communicated with each other, the air inlet channel 11 is surrounded by one side of the heat storage device and the inner wall of the shell 1, and the air outlet channel 12 is formed by a micro-channel flat tube 8 arranged on the heat storage plate and a fin 7 arranged on the micro-channel flat tube 8. In this embodiment, the micro-channel flat tubes 8 and the fins 7 can reduce the flow velocity of hot air in the air duct, increase the contact surface between the air inlet channel and the air, and improve the heat circulation effect.
In addition, the fans 2 are more than two and are respectively installed in the air inlet channel 11 and the air outlet channel 12. In this embodiment, the fans 2 installed in the air inlet channel 11 and the air outlet channel 12 can increase the flow rate of air in the air inlet channel 11 and the air outlet channel 12.
Wherein, the surface of the shell 1 is provided with a charging interface 9 and a switch 10 which are connected with a power supply device. In this embodiment, the charging interface 9 and the switch 10 connected to the fan 2 enable the fan 2 to be charged by an external power source.
In addition, wheels 5 for sliding the device are installed at the bottom of the housing 1.
Example 2
A use method of a movable heat storage fan heater 101 comprises the following steps:
s1: the external heat pump is butted with the heat storage device;
s2: the hinges 4 of the air inlet 31 and the air outlet 32 are closed, the external heat pump is started, and the heat storage device is heated through the external heat pump;
s3: the fan 2 is started, the heat circulation rate in the heat storage device is increased, and the heat storage capacity of the heat storage device is increased;
s4, after heat storage is finished, the external heat pump and the fan 2 are closed, and the external heat pump and the heat storage device are disconnected;
and S5, moving the warm air blower with the heat storage completed to a place needing heat supply, opening the hinges 4 of the air inlet 31 and the air outlet 32, opening the fan 2, and blowing out warm air through the work of the fan.
In step S3, the power supply device is charged simultaneously with the heat storage operation. In this embodiment, through charging fan 2 in the heat-retaining operation, can improve the use duration of fan 2 when the electric fan heater heats.
Example 3
As shown in fig. 3, a thermodynamic system includes a movable heat-storage warm air blower 101, a first stop valve 102, a compressor 106, a four-way reversing valve 107, a fixed micro-channel heat exchanger 103, an electronic expansion valve 104, a second stop valve 108, and an outdoor unit 105, where the fixed micro-channel heat exchanger 103 is wrapped by a phase-change material, a heat-charging output interface is further disposed on a housing 1 of the movable heat-storage warm air blower 101, a first port of the four-way reversing valve 107 is communicated with one end of the first stop valve 102, the other end of the first stop valve 102 is communicated with the heat-charging input interface of the movable heat-storage warm air blower 101, the heat-charging output interface of the movable heat-storage warm air blower 101 is communicated with one end of the second stop valve 108, the other end of the second stop valve 108 is communicated with one end of the electronic expansion valve 104, and the other end of the electronic expansion valve 104 is communicated with a second port of the four-way reversing valve 107, the second port of the four-way reversing valve 107 is communicated with the third port of the four-way reversing valve 107, the third port of the four-way reversing valve 107 is communicated with one port of the compressor 106, the other end of the compressor 106 is communicated with the fourth port of the four-way reversing valve 107, and the fourth port of the four-way reversing valve 107 is communicated with the first port of the four-way reversing valve 107; one end of the micro-channel heat exchanger 103 is communicated with a pipeline connecting the first stop valve 102 and the first port of the four-way reversing valve 107, and the other end of the micro-channel heat exchanger 103 is communicated with a pipeline connecting the second stop valve 108 and the electronic expansion valve 104.
In this embodiment, a thermodynamic system equipped with a mobile heat storage fan heater supplies heat to the mobile heat storage fan heater 101 through a high-temperature gaseous working medium, the high-temperature gaseous working medium coming out of the compressor 106 is divided into two paths, the first path of working medium enters the first branch 221 and passes through the fixed microchannel heat exchanger 103; the second path of working medium respectively passes through the first stop valve 102, the movable heat storage warm air blower and the second stop valve 108. The two working mediums are mixed before entering the electronic expansion valve 104, are throttled and depressurized by the electronic expansion valve 104, enter the outdoor unit 105 to be evaporated and absorb heat, and then enter the compressor 106 through the four-way reversing valve 107, so that the whole heating cycle is completed. When the heat storage of the movable heat storage warm air blower 101 is finished, the stop valve is closed, and at the moment, the high-temperature gaseous working medium coming out of the compressor 106 only enters the first branch 221 for circulation.
In addition, fan 2 adopts the lithium cell as electric power storage ware, and portable heat-retaining electric fan heater 101 accessible is changed phase change material and lithium cell, as portable air-cooler, and the thermodynamic system accessible is changed phase change material and lithium cell and is switched into heating mode and refrigeration mode respectively.
When the cooling mode is operated, the battery in the lithium battery fan 2 is replaced by a low-temperature-resistant battery, the phase-change material 6 in the heat exchanger is replaced, and the movable heat storage warm air blower is changed into the movable air cooler 101. The low-temperature liquid working medium from the electronic expansion valve 104 is divided into two paths, the first path of working medium enters a first branch 221 and passes through the fixed micro-channel heat exchanger 103; the second path of working medium respectively passes through the second stop valve 109, the movable air cooler 101 and the first stop valve 102. The two paths of working media are mixed before entering the four-way reversing valve 107, enter the compressor 106 after passing through the four-way reversing valve 107, and the high-temperature working media flowing out of the compressor 106 enter the outdoor unit 105 for condensation and heat release and then enter the electronic expansion valve 104 for throttling and pressure reduction, so that the whole refrigeration cycle is completed. When the cold accumulation of the mobile air cooler 101 is finished, the first stop valve 108 is closed, and at this time, the low-temperature liquid working medium coming out of the electronic expansion valve 104 only enters the first branch 221 for circulation.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A portable heat-retaining electric fan heater which characterized in that: including shell (1), locate air intake (31), air outlet (32), the switching respectively that is used for on shell (1) two loose-leaf (4) of air intake (31) and air outlet (32), install heat-retaining device, fan (2) that are used for the stored heat in shell (1) and with the power supply unit that fan (2) electricity is connected, air intake (31) and air outlet (32) set up respectively heat-retaining device's both ends, still be provided with on shell (1) be used for to heat-retaining device inserts the interface that fills the thermal joint.
2. The mobile heat-storage warm-air drier according to claim 1, characterized in that the heat-storage device comprises a heat-storage plate (6), and the air inlet (31) and the air outlet (32) are respectively arranged at two ends of the heat-storage plate (6).
3. The mobile heat-storage warm-air drier according to claim 2, characterized in that the heat-storage plates (6) are more than two comb-shaped heat-storage plates (6) formed by phase-change materials in a staggered and embedded mode.
4. The movable heat storage warm air blower according to claim 2 is characterized in that the heat storage device is further provided with an air inlet channel (11) and an air outlet channel (12) which are communicated with each other, the air inlet channel (11) is formed by surrounding one side of the heat storage device and the inner wall of the shell (1), and the air outlet channel (12) is formed by a micro-channel flat tube (8) arranged on the heat storage plate (6) and a fin (7) arranged on the micro-channel flat tube (8).
5. The mobile heat-storage warm-air drier as claimed in claim 4, characterized in that the fans (2) are provided with more than two and are respectively arranged in the air inlet channel (11) and the air outlet channel (12).
6. The mobile heat-storage warm-air drier according to claim 1, characterized in that the surface of the shell (1) is provided with a charging interface (9) and a switch (10) connected with the power supply device.
7. Mobile heat-storage warm-air drier according to claim 1, characterized in that the bottom of the casing (1) is fitted with wheels (5) for equipment sliding.
8. Use method of a mobile heat-storage fan heater according to any of claims 1 to 7, characterized in that it comprises the following steps:
s1: the external heat pump is butted with the heat storage device;
s2: the hinges (4) of the air inlet (31) and the air outlet (32) are closed, the external heat pump is started, and the heat storage device is heated through the external heat pump;
s3: starting the fan (2), improving the heat circulation rate in the heat storage device, and improving the heat storage capacity of the heat storage device;
s4: after heat storage is finished, the external heat pump and the fan (2) are closed, and the external heat pump is disconnected from the heat storage device;
s5: the warm air blower with the heat storage completed is moved to a place needing heat supply, the hinges (4) of the air inlet (31) and the air outlet (32) are opened, the fan (2) is opened, and warm air is blown out through the work of the fan.
9. Use according to claim 8, characterized in that: in step S3, the power supply device is charged simultaneously with the heat storage operation.
10. A thermodynamic system, comprising the mobile heat-storage warm-air blower (101), a first stop valve (102), a compressor (106), a four-way reversing valve (107), a fixed microchannel heat exchanger (103), an electronic expansion valve (104), a second stop valve (108) and an outdoor unit (105) according to any one of claims 1 to 7, wherein the fixed microchannel heat exchanger (103) is wrapped by a phase-change material, the housing (1) of the mobile heat-storage warm-air blower (101) is further provided with a heat-charging output interface, a first port of the four-way reversing valve (107) is communicated with one end of the first stop valve (102), the other end of the first stop valve (102) is communicated with the heat-charging input interface of the mobile heat-storage warm-air blower (101), and the heat-charging output interface of the mobile heat-storage warm-air blower (101) is communicated with one end of the second stop valve (108), the other end of the second stop valve (108) is communicated with one end of the electronic expansion valve (104), the other end of the electronic expansion valve (104) is communicated with a second port of the four-way reversing valve (107), a second port of the four-way reversing valve (107) is communicated with a third port of the four-way reversing valve (107), a third port of the four-way reversing valve (107) is communicated with one port of the compressor (106), the other end of the compressor (106) is communicated with a fourth port of the four-way reversing valve (107), and a fourth port of the four-way reversing valve (107) is communicated with a first port of the four-way reversing valve (107); one end of the micro-channel heat exchanger (103) is communicated with a pipeline connected with the first ports of the first stop valve (102) and the four-way reversing valve (107), and the other end of the micro-channel heat exchanger (103) is communicated with a pipeline connected with the second stop valve (108) and the electronic expansion valve (104).
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| CN202111059857.7A CN113883581A (en) | 2021-09-10 | 2021-09-10 | Movable heat storage fan heater, use method thereof and thermodynamic system |
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| CN202111059857.7A CN113883581A (en) | 2021-09-10 | 2021-09-10 | Movable heat storage fan heater, use method thereof and thermodynamic system |
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| 杨曙东，刘银水，唐群国: "液压传动与气压传动", 华中科技大学出版社, pages: 198 - 199 * |
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