CN219014566U - Heat accumulation defrosting system and air conditioner - Google Patents
Heat accumulation defrosting system and air conditioner Download PDFInfo
- Publication number
- CN219014566U CN219014566U CN202223426373.4U CN202223426373U CN219014566U CN 219014566 U CN219014566 U CN 219014566U CN 202223426373 U CN202223426373 U CN 202223426373U CN 219014566 U CN219014566 U CN 219014566U
- Authority
- CN
- China
- Prior art keywords
- heat
- heat exchange
- module
- thermal storage
- defrosting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The utility model relates to a heat storage defrosting system and an air conditioner, relates to the technical field of air conditioners, and solves the problem that heat supply to a user can be stopped when a unit in the prior art is defrosted, so that indoor environment temperature is fluctuated. The heat storage defrosting system comprises a heat storage module, a defrosting module and a refrigerant circulation module, wherein the heat storage module is arranged on the periphery of a compressor motor in the refrigerant circulation module, the defrosting module is arranged around a fin heat exchanger in the refrigerant circulation module, when a unit needs defrosting and other operations, a heat carrier in a heat exchange pipeline in the heat storage module can absorb heat generated by the compressor motor and is conveyed to the defrosting module, the heat carrier is sprayed towards the fin heat exchanger through the defrosting module, and defrosting operation can be performed through the independently arranged defrosting module without stopping heating circulation. The heat storage defrosting system can operate without stopping heating when defrosting, so that the indoor temperature is not influenced.
Description
Technical Field
The utility model relates to the technical field of air conditioners, in particular to a heat storage defrosting system and an air conditioner.
Background
With the continuous improvement of the requirements of people on indoor environments in winter, the heat pump type air conditioner is increasingly applied, but the fins of the outdoor heat exchanger can be frosted when the outdoor air temperature is low in winter and the humidity is high. The frosting blocks the air channel, increases the heat transfer resistance of the air side, and greatly reduces the heating capacity of the unit, so that the evaporator needs to be defrosted periodically.
The defrosting technology of the current unit mainly stops supplying heat to a user, and the air conditioner briefly switches the refrigerating mode from the heating mode, but the indoor temperature of the user is lowered.
For example, patent No. 202123188564.7 discloses an air source heat pump heat storage defrosting system, but when heat storage defrosting is performed, heat supply to a user section is stopped, so that fluctuation of indoor environment temperature is caused, and indoor comfort of a user is affected.
The applicant found that the prior art has at least the following technical problems:
when the existing unit is defrosted, heat supply to a user can be stopped, fluctuation of indoor environment temperature is easily caused, and indoor comfort of the user is affected.
Disclosure of Invention
Therefore, the utility model aims to provide a heat storage defrosting system and an air conditioner, which are used for solving the technical problem that heat supply to a user is stopped when a unit in the prior art is defrosted, so that the indoor environment temperature is fluctuated.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
according to a first aspect of the embodiment of the present utility model, there is provided a heat storage and defrosting system, including a heat storage module, a defrosting module and a refrigerant circulation module, wherein the heat storage module is disposed at the periphery of a compressor motor in the refrigerant circulation module, the defrosting module is disposed around a fin heat exchanger in the refrigerant circulation module, and a heat carrier in a heat exchange pipeline in the heat storage module can absorb heat generated by the compressor motor and transmit the heat to the defrosting module so as to spray the heat carrier to the fin heat exchanger through the defrosting module.
As an alternative embodiment of the present utility model, the heat storage module includes a heat storage portion, a heat exchange pipeline and a heat storage material, a heat storage cavity is formed in the heat storage portion, the heat exchange pipeline and the heat storage material are disposed in the heat storage cavity, the heat storage material is disposed outside the heat exchange pipeline, and an outlet end of the heat exchange pipeline can penetrate out of the heat storage cavity to be communicated with the defrosting module.
As an alternative embodiment of the present utility model, the defrosting module includes a heat exchange part and a spray part, wherein the heat exchange pipeline is communicated with the heat exchange part, the spray part is mounted on the heat exchange part, and the spray port of the spray part faces the fin heat exchanger.
As an optional embodiment of the present utility model, the heat storage defrosting system further includes a heat storage module, the heat storage module is communicated with the heat exchange pipeline disposed outside the heat storage cavity, and the liquid in the heat storage module and the heat carrier in the heat exchange pipeline flow to the heat exchange part after being mixed.
As an alternative embodiment of the utility model, a first control valve is arranged on a connecting pipeline between the heat storage module and the heat exchange pipeline arranged outside the heat storage cavity.
As an alternative embodiment of the utility model, the heat storage module is communicated with the heat exchange pipeline, and a second control valve is arranged on the connecting pipeline between the heat storage module and the heat exchange pipeline, and the amount of the heat carrier entering the heat storage module from the heat exchange pipeline can be controlled through the second control valve.
As an optional embodiment of the present utility model, the heat exchange portion is communicated with the heat storage module, and a third control valve is disposed on a connection pipeline between the heat exchange portion and the heat storage module, and the heat carrier in the heat exchange pipeline can flow into the heat storage module after heat exchange by the heat exchange portion.
As an alternative embodiment of the present utility model, the heat storage module includes a heat storage tank and an electric auxiliary heating part disposed inside the heat storage tank, a liquid outlet of the heat storage tank is respectively communicated with the heat exchange pipeline and the user side disposed outside the heat storage cavity, and a liquid inlet of the heat storage tank is respectively communicated with the heat exchange pipeline and the heat exchange part disposed outside the heat storage cavity.
As an optional embodiment of the present utility model, an auxiliary branch is disposed between the heat exchange portion and the inlet of the heat exchange pipeline, a fourth control valve is disposed on the auxiliary branch, and the heat carrier in the heat exchange pipeline flows back into the heat exchange pipeline through the auxiliary branch after exchanging heat with the fin heat exchanger through the heat exchange portion.
As an alternative embodiment of the present utility model, the refrigerant circulation module includes a compressor, and the oil separator, the fin heat exchanger, the dry filter, the expansion valve, the shell and tube heat exchanger and the air suction port of the compressor are sequentially connected along the direction of the air discharge port of the compressor to form a loop, and the compressor motor is electrically connected with the compressor.
According to a second aspect of the embodiment of the present utility model, there is provided an air conditioner including the thermal storage defrosting system.
The utility model provides a heat storage defrosting system, which comprises a heat storage module, a defrosting module and a refrigerant circulation module, wherein the heat storage module is arranged on the periphery of a compressor motor in the refrigerant circulation module, waste heat recovery is carried out on a unit by utilizing a phase change heat storage principle, the defrosting module is arranged around a fin heat exchanger in the refrigerant circulation module, when the unit operates, when the unit needs defrosting and the like, a heat carrier in a heat exchange pipeline in the heat storage module can absorb heat generated by the motor and is conveyed to the defrosting module, the heat carrier is sprayed towards the fin heat exchanger through the defrosting module, and defrosting operation can be carried out through the defrosting module which is independently arranged without stopping heating circulation. The problem of the user uncomfortable who stops heating when having solved the defrosting.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a heat storage defrosting system according to an embodiment of the present utility model;
fig. 2 is a schematic flow chart of a control method (in a heating mode) of the thermal storage defrosting system according to the embodiment of the utility model;
fig. 3 is a schematic flow chart of a control method (in a cooling mode) of the thermal storage defrosting system according to the embodiment of the utility model;
FIG. 4 is a schematic flow chart of a specific control procedure of the air conditioning and heating system according to the embodiment of the present utility model;
fig. 5 is a schematic flow chart of a specific control procedure when the air conditioning and refrigerating system is circulated according to the embodiment of the utility model.
In the figure: 1. a compressor; 2. an oil separator; 3. a fin heat exchanger; 4. an auxiliary branch; 5. drying the filter; 6. an expansion valve; 7. a shell-and-tube heat exchanger; 8. a compressor motor; 9. a heat exchange section; 10. a spraying part; 11. a heat storage unit; 12. a heat exchange pipeline; 13. a heat storage tank; 14. an electric auxiliary heating part; 15. a first control valve; 16. a second control valve; 17. a third control valve; 18. and a fourth control valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
Referring to fig. 1, the utility model provides a heat storage defrosting system, which comprises a heat storage module, a defrosting module and a refrigerant circulation module, wherein the heat storage module is arranged at the periphery of a compressor motor 8 in the refrigerant circulation module, the defrosting module is arranged at the periphery of a fin heat exchanger 3 in the refrigerant circulation module, and a heat carrier in a heat exchange pipeline 12 in the heat storage module can absorb heat generated by the compressor motor 8 and is conveyed to the defrosting module so as to spray the heat carrier towards the fin heat exchanger 3 through the defrosting module.
According to the heat storage defrosting system in the scheme, waste heat recovery is performed on the unit by utilizing the phase change heat storage principle, the defrosting module is arranged around the fin heat exchanger 3 in the refrigerant circulation module, when the unit operates and the like, when the unit needs defrosting and the like, the heat carrier in the heat exchange pipeline 12 in the heat storage module can absorb heat generated by the compressor motor 8 and is conveyed to the defrosting module, the heat carrier is sprayed towards the fin heat exchanger 3 through the defrosting module, and defrosting operation can be performed through the defrosting module which is arranged independently without stopping heating circulation. The problem of the user uncomfortable who stops heating when having solved the defrosting.
The heat storage module in this embodiment includes a heat storage portion 11, a heat exchange pipeline 12, and a heat storage material, a heat storage cavity is formed in the heat storage portion 11, the heat exchange pipeline 12 and the heat storage material are disposed in the heat storage cavity, and the heat storage material is disposed outside the heat exchange pipeline 12. The heat exchange pipeline 12 is arranged at the periphery of the compressor motor 8, an inlet end and an outlet end are arranged on the heat exchange pipeline 12, and the outlet end of the heat exchange pipeline 12 can penetrate out of the heat storage cavity to be communicated with the defrosting module.
It should be noted that, the heat carrier includes, but is not limited to, water, etc., and exists in the heat exchange pipeline 12 to enter the defrosting module; the heat storage material is a phase change material, including but not limited to paraffin, etc., which is always inside the heat storage cavity.
The defrosting module comprises a heat exchange part 9 and a spraying part 10, wherein a heat exchange pipeline 12 is communicated with the heat exchange part 9, the spraying part 10 is arranged on the heat exchange part 9, and the spraying port of the spraying part 10 faces the fin heat exchanger 3. The heat exchange part 9 is a heat exchange pipeline, the spraying part 10 is a spraying head, and a plurality of water spraying holes are formed in the spraying head and are arranged towards the fin heat exchanger 3. The spray header is provided with an electromagnetic valve for controlling the opening and closing of the spray header.
Considering that when frosting is serious, frost on the surface of the fin heat exchanger 3 may not be well cleaned by the heat carrier in the heat exchange pipeline 12 alone, as an alternative implementation manner of this embodiment, the heat storage defrosting system further includes a heat storage module, which is communicated with the heat exchange pipeline 12 disposed outside the heat storage cavity, and the liquid in the heat storage module can flow to the heat exchange portion 9 after being mixed with the heat carrier in the heat exchange pipeline 12.
Optionally, a first control valve 15 is arranged on the connecting line between the heat storage module and the heat exchange line 12 arranged outside the heat storage chamber.
The heat storage module in this embodiment is also connected to the heat exchange line 12, and a second control valve 16 is disposed on the connection line between the heat storage module and the heat exchange line 12, and the amount of heat carrier entering the heat storage module from the heat exchange line 12 can be controlled by the second control valve 16.
As shown in fig. 1, the heat storage module includes a heat storage tank 13 and an electric auxiliary heating part 14 disposed inside the heat storage tank 13, wherein a liquid outlet of the heat storage tank 13 is respectively communicated with a heat exchange pipeline 12 disposed outside the heat storage cavity and a user side, and a liquid inlet of the heat storage tank 13 is respectively communicated with the heat exchange pipeline 12 disposed outside the heat storage cavity and the heat exchange part 9.
After the temperature of the heat carrier in the heat exchange pipeline 12 is increased, the heat carrier can enter the heat storage tank 13 through the second control valve 16, and the heat carrier is combined with the electric auxiliary heating part 14 in the heat exchange pipeline to prepare domestic hot water and is conveyed to a user pipeline.
The heat exchange part 9 is arranged to be communicated with the liquid inlet of the heat storage tank 13, and a third control valve 17 is arranged on a connecting pipeline between the heat exchange part 9 and the heat storage module, and the heat carrier in the heat exchange pipeline 12 can flow into the heat storage module after heat exchange of the heat exchange part 9.
An auxiliary branch 4 is further arranged between the heat exchange part 9 and the inlet of the heat exchange pipeline 12, a fourth control valve 18 is arranged on the auxiliary branch 4, and the heat carrier in the heat exchange pipeline 12 flows back into the execution heat exchange pipeline 12 through the auxiliary branch 4 after heat exchange between the heat exchange part 9 and the fin heat exchanger 3.
The refrigerant circulation module comprises a compressor 1, an oil separator 2, a fin heat exchanger 3, a dry filter 5, an expansion valve 6, a shell-and-tube heat exchanger 7 and an air suction port of the compressor 1 are sequentially connected along the direction of an air discharge port of the compressor 1 to form a loop, and a compressor motor 8 is electrically connected with the compressor 1.
The compressor 1 is operated, the compressor motor 8 generates heat, and the heat can be absorbed by the heat exchange pipeline 12 and transferred to the heat exchange part 9 and the heat storage tank 13 in the defrosting module, the redundant heat is absorbed by the heat storage material in the heat storage module, and part of the heat is stored, and the internal solid phase change material (including but not limited to paraffin) is changed into liquid state. The heat storage module is used as a main heat source of the heat carrier, inputs stable heat for the heat carrier, and is used for defrosting inhibition or combined with the electric auxiliary heating part 14 to prepare domestic hot water.
In addition, when the environment where the unit is located is poor, dust dirt blocking phenomenon can be caused to the fins of the unit, after the fins are blocked, the heat exchange effect is poor, the running frequency of the fan is increased, the heating effect of the unit is affected, and the stable running of the unit is affected. In the heat storage defrosting system in the embodiment, the heat carrier enters the defrosting module through the heat exchange pipeline 12, is pressurized by the spraying part 10 and then is sprayed on the fins to play a role in dust removal.
When the unit operates, waste heat recovery is performed on the unit by utilizing the phase change heat storage principle, the electric auxiliary heating part 14 is jointly utilized to prepare domestic hot water, defrosting and dedusting operations can be performed by independently setting defrosting, defrosting and dedusting cycles and combining the domestic hot water system without stopping heating cycles. And the preparation of domestic hot water can be realized in the refrigerating and heating processes of the unit.
In order to more clearly illustrate the condition of the circulation regulation of the heat storage defrosting system in the technical scheme of the utility model, by way of example, the circulation pipeline regulation of the heat storage defrosting system is defined as the following multiple working modes and is illustrated:
a defrosting mode in which the first control valve 15 is controlled to be opened, and the second control valve 16, the third control valve 17, and the fourth control valve 18 are controlled to be closed; the heat carrier is mixed with domestic hot water through a first control valve 15 by a heat exchange pipeline 12 in the heat storage module, then is conveyed into a heat exchange part 9 of the defrosting module, pressurized by a spraying part 10 and sprayed on fins of the fin heat exchanger 3 to perform defrosting operation.
The frost suppression mode is to control the fourth control valve 18 to be opened, and the first control valve 15, the second control valve 16 and the third control valve 17 to be closed; the heat carrier is heated through a heat exchange pipeline 12 in the heat storage module, enters a heat exchange part 9 of the defrosting module, exchanges heat with a fin heat exchanger 3 with lower temperature in the heat exchange part 9 to achieve the purpose of inhibiting frost, and then the temperature of the heat carrier is lowered, and enters the heat exchange pipeline 12 in the heat storage module again through a fourth control valve 18 and a water pump which are arranged on the auxiliary branch 4 in the figure 1; in the frost suppressing mode, the shower portion 10 is closed, and the heat carrier in the heat exchanging portion 9 cannot be discharged.
Dust removal mode: controls the first control valve 15, the second control valve 16, the third control valve 17 and the fourth control valve 18 to be closed; the heat carrier is conveyed into the heat exchange part 9 of the defrosting module through the heat exchange pipeline 12 in the heat storage module, pressurized through the spraying part 10 and sprayed on the fins of the fin heat exchanger 3 for dedusting operation.
Heating water mode: in the heating mode of the air conditioner, the second control valve 16 is controlled to be opened, and the first control valve 15, the third control valve 17 and the fourth control valve 18 are controlled to be closed; the heat carrier is heated through a heat exchange pipeline 12 in the heat storage module, enters the heat storage tank 13 through a second control valve 16, and combines an electric auxiliary heating part 14 in the heat storage tank 13 to prepare domestic hot water;
in the cooling mode of the air conditioner, the second control valve 16 and the third control valve 17 are controlled to be opened, and the first control valve 15 and the fourth control valve 18 are controlled to be closed; the heat carrier is heated by a heat exchange pipeline 12 in the heat storage module, part of the heat carrier enters the heat exchange part 9, part of the heat carrier directly enters the heat storage tank 13 through a second control valve 16, the temperature of the heat carrier entering the heat exchange part 9 is further raised after heat exchange with the fin heat exchanger 3, the heat carrier enters the heat storage tank 13 through a third control valve 17, the heat carrier enters the heat storage tank 13 through the second control valve 16, and the heat carrier is combined with an electric auxiliary heating part 14 inside the heat storage tank 13 to prepare domestic hot water.
The utility model also provides an air conditioner comprising the heat storage defrosting system.
When the air conditioner in the embodiment is operated, waste heat recovery is performed on the unit by utilizing the phase change heat storage principle, the electric auxiliary heating part 14 is jointly utilized to prepare domestic hot water, defrosting and dedusting operations can be performed by independently setting defrosting, defrosting and dedusting cycles and combining the domestic hot water system without stopping the heating cycle. And the preparation of domestic hot water can be realized in the refrigerating or heating process of the air conditioner.
Based on a general inventive concept, the embodiment of the utility model also provides a control method of the heat storage defrosting system.
Fig. 2 and 3 are schematic flow diagrams provided in an embodiment of a control method of a thermal storage defrosting system according to the present utility model, referring to fig. 2, the control method of a thermal storage defrosting system according to the present utility model may be applied to the thermal storage defrosting system described in any of the foregoing embodiments, and may include the following steps:
s31, acquiring the actual running frequency of a fan under the heating mode of the air conditioner, wherein the fan is an outdoor fan and is positioned above the fin heat exchanger 3;
s32, determining an operation mode of the heat storage defrosting system according to the actual operation frequency and the operation frequency of the frosting fan, wherein the operation mode is a defrosting mode, a frost suppression mode and a dust removal mode.
The heat accumulation defrosting system comprises a heat accumulation module, a defrosting module, a refrigerant circulation module and a heat accumulation module, wherein a heat exchange pipeline 12 of the heat accumulation module is respectively connected with liquid inlets of the defrosting module and the heat accumulation module, a first control valve 15 is arranged on a connecting pipeline between a liquid outlet of the heat accumulation module and the heat exchange pipeline 12, the liquid inlet of the heat accumulation module is connected with the liquid inlet of the heat accumulation module, a second control valve 16 is arranged on a connecting pipeline between the heat exchange pipeline 12 and the liquid inlet of the heat accumulation module, a third control valve 17 is arranged on a connecting pipeline between the defrosting module and the liquid inlet of the heat accumulation module, an auxiliary branch 4 is arranged between inlets of the heat exchange pipeline 12 of the defrosting module and the heat accumulation module, and a fourth control valve 18 is arranged on the auxiliary branch 4.
Alternatively, the operation modes are respectively:
a defrosting mode in which the first control valve 15 is controlled to be opened, and the second control valve 16, the third control valve 17, and the fourth control valve 18 are controlled to be closed;
the frost suppression mode is to control the fourth control valve 18 to be opened, and the first control valve 15, the second control valve 16 and the third control valve 17 to be closed;
dust removal mode: the first control valve 15, the second control valve 16, the third control valve 17, and the fourth control valve 18 are controlled to be closed.
Optionally, determining an operation mode of the thermal storage defrosting system according to the actual operation frequency and the operation frequency of the frosting fan, wherein the operation mode is a defrosting mode, a frost suppressing mode and a dedusting mode, and the method comprises the following steps:
comparing the actual operating frequency with the operating frequency of the frosting fan;
under the condition that the actual operating frequency is larger than the operating frequency of the frosting fan, continuously comparing the actual temperature of the fins of the fin heat exchanger 3 with the preset temperature of the fins, wherein a temperature sensor is arranged on the fin heat exchanger 3 and used for detecting the actual temperature of the fins;
if the actual temperature of the fins is smaller than the preset temperature of the fins, determining that the heat storage defrosting system enters a defrosting mode;
and if the actual temperature of the fins is greater than or equal to the preset temperature of the fins, determining that the heat storage defrosting system enters a dust removal mode.
Continuously comparing the ambient temperature of the outdoor unit with the frost-suppression set temperature under the condition that the actual operation frequency is smaller than or equal to the operation frequency of the frost-formation fan;
and if the ambient temperature is smaller than the frost suppression set temperature, determining that the heat storage defrosting system enters a frost suppression mode.
If the ambient temperature is greater than or equal to the frost-inhibiting set temperature, determining that the heat storage defrosting system enters a heating water mode; in the heating mode of the air conditioner, when the heating mode is executed, the second control valve 16 is controlled to be opened, and the first control valve 15, the third control valve 17, and the fourth control valve 18 are controlled to be closed;
in addition, the control method of the heat storage defrosting system provided in the embodiment further includes:
s41, acquiring the actual running frequency of a fan in a refrigerating mode of the air conditioner;
s42, determining whether the heat storage defrosting system enters a dust removal mode according to the actual operation frequency and the operation frequency of the frosting fan.
Optionally, determining whether the thermal storage defrosting system enters the dust removal mode according to the actual operation frequency and the operation frequency of the frosting blower includes:
comparing the actual operating frequency with the operating frequency of the frosting fan;
if the actual running frequency is greater than the running frequency of the frosting fan, determining that the heat storage defrosting system enters a dust removal mode;
if the actual running frequency is smaller than or equal to the running frequency of the frosting fan, determining that the heat storage defrosting system enters a water heating mode; in the cooling mode of the air conditioner, when the heating mode is performed, the second control valve 16 and the third control valve 17 are controlled to be opened, and the first control valve 15 and the fourth control valve 18 are controlled to be closed.
As shown in fig. 4, a specific control procedure is performed when the air conditioning heating system is circulated.
After the heating cycle is operated T1, the fin temperature T3, the ambient temperature Ts (the ambient temperature Ts is the actual installation ambient temperature and the ambient humidity of the outdoor unit) and the actual operating frequency H1 of the fan are detected, the operating frequency H of the frosting fan is selected and output through T1, T2, T3, ts and alpha, and compared with the actual operating frequency H1 of the fan, whether the defrosting (dust) cycle needs to be restrained or not is judged, and the method is concretely as follows.
The actual running frequency H1 of the fan is less than or equal to the running frequency H of the frosting fan:
(1) The ambient temperature Ts is more than or equal to the frost-inhibiting set temperature Ty1, and the domestic hot water preparation cycle (hot water preparation mode) is started:
the second control valve 16 is controlled to be opened, and the first control valve 15, the third control valve 17 and the fourth control valve 18 are controlled to be closed; the heat carrier is heated by a heat exchange pipeline 12 in the heat storage module, enters the heat storage tank 13 through a second control valve 16, and combines an electric auxiliary heating part 14 in the heat storage tank 13 to prepare domestic hot water.
(2) The ambient temperature Ts is less than the frost-inhibiting set temperature Ty1, and the frost-inhibiting circulation (frost-inhibiting mode) is started:
the fourth control valve 18 is controlled to be opened, and the first control valve 15, the second control valve 16 and the third control valve 17 are controlled to be closed; the heat carrier is heated through a heat exchange pipeline 12 in the heat storage module, enters a heat exchange part 9 of the defrosting module, exchanges heat with a fin heat exchanger 3 with lower temperature in the heat exchange part 9 to achieve the purpose of inhibiting frost, and then the temperature of the heat carrier is lowered, and enters the heat exchange pipeline 12 in the heat storage module again through a fourth control valve 18 and a water pump which are arranged on the auxiliary branch 4 in the figure 1; in the frost suppressing mode, the shower portion 10 is closed, and the heat carrier in the heat exchanging portion 9 cannot be discharged.
The actual running frequency H1 of the fan is larger than the running frequency H of the frosting fan:
(1) The actual temperature T3 of the fins is more than or equal to the preset temperature T of the fins, and then the dust removal cycle (dust removal mode) is started:
controls the first control valve 15, the second control valve 16, the third control valve 17 and the fourth control valve 18 to be closed; the heat carrier is conveyed into the heat exchange part 9 of the defrosting module through the heat exchange pipeline 12 in the heat storage module, pressurized through the spraying part 10 and sprayed on the fins of the fin heat exchanger 3 for dedusting operation.
(2) And if the actual temperature T3 of the fins is less than the preset temperature T of the fins, starting a defrosting cycle (defrosting mode):
the first control valve 15 is controlled to be opened, and the second control valve 16, the third control valve 17 and the fourth control valve 18 are controlled to be closed; the heat carrier is mixed with domestic hot water through a first control valve 15 by a heat exchange pipeline 12 in the heat storage module, then is conveyed into a heat exchange part 9 of the defrosting module, is pressurized by a spraying part 10 and then is sprayed on fins of the fin heat exchanger 3 to perform defrosting operation
As shown in fig. 5, a specific control procedure is performed when the air conditioning and refrigerating system is circulated.
After the refrigerating cycle runs t1, the actual running frequency H1 of the fan is detected, and the frosting fan running frequency H is compared with the actual running frequency H1 of the fan to judge whether dust removal cycle is needed.
The actual frequency H1 of the fan is not more than the operating frequency H of the frosting fan, and the domestic hot water preparation cycle (hot water preparation mode) is started:
the second control valve 16 and the third control valve 17 are controlled to be opened, and the first control valve 15 and the fourth control valve 18 are controlled to be closed; the heat carrier is heated by a heat exchange pipeline 12 in the heat storage module, part of the heat carrier enters the heat exchange part 9, part of the heat carrier directly enters the heat storage tank 13 through a second control valve 16, the temperature of the heat carrier entering the heat exchange part 9 is further raised after heat exchange with the fin heat exchanger 3, the heat carrier enters the heat storage tank 13 through a third control valve 17, the heat carrier enters the heat storage tank 13 through the second control valve 16, and the heat carrier is combined with an electric auxiliary heating part 14 inside the heat storage tank 13 to prepare domestic hot water.
The actual frequency H1 of the fan is larger than the operating frequency H of the frosting fan, and the dust removal cycle (dust removal mode) is started:
controls the first control valve 15, the second control valve 16, the third control valve 17 and the fourth control valve 18 to be closed; the heat carrier is conveyed into the heat exchange part 9 of the defrosting module through the heat exchange pipeline 12 in the heat storage module, pressurized through the spraying part 10 and sprayed on the fins of the fin heat exchanger 3 for dedusting operation.
When the unit detects that the frost-inhibiting, defrosting or dedusting operation is required, the unit can perform the operations by independently setting the dedusting, frost-inhibiting and dedusting cycles and combining the domestic hot water preparation system (heat storage module) without stopping the heating cycle.
When the unit does not need to perform frost inhibition, defrosting or dedusting operation, the unit is subjected to waste heat recovery by utilizing the phase change heat storage principle, and the electric auxiliary heating part 14 is jointly utilized to prepare constant-temperature domestic hot water.
It is to be understood that the same or similar parts in the above embodiments may be referred to each other, and that in some embodiments, the same or similar parts in other embodiments may be referred to.
The foregoing is merely illustrative embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present utility model, and the utility model should be covered. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (11)
1. The heat accumulation defrosting system is characterized by comprising a heat accumulation module, a defrosting module and a refrigerant circulation module, wherein the heat accumulation module is arranged on the periphery of a compressor motor in the refrigerant circulation module, the defrosting module is arranged around a fin heat exchanger in the refrigerant circulation module, and a heat carrier in a heat exchange pipeline in the heat accumulation module can absorb heat generated by the compressor motor and is conveyed to the defrosting module so as to spray the heat carrier to the fin heat exchanger through the defrosting module.
2. The thermal storage defrost system according to claim 1, wherein the thermal storage module comprises a thermal storage portion, a heat exchange pipeline and a thermal storage material, a thermal storage cavity is formed in the thermal storage portion, the heat exchange pipeline and the thermal storage material are disposed in the thermal storage cavity and the thermal storage material is disposed outside the heat exchange pipeline, and an outlet end of the heat exchange pipeline can penetrate out of the thermal storage cavity to be communicated with the defrost module.
3. The thermal storage defrost system according to claim 2, wherein the defrost module comprises a heat exchange portion and a spray portion, wherein the heat exchange tube is in communication with the heat exchange portion, the spray portion being mounted on the heat exchange portion with an ejection outlet of the spray portion facing the fin heat exchanger.
4. The thermal defrost system according to claim 3, further comprising a thermal storage module in communication with the heat exchange line disposed outside the thermal storage chamber, wherein the liquid in the thermal storage module mixes with the heat carrier in the heat exchange line and flows to the heat exchange portion.
5. The thermal storage defrost system according to claim 4, wherein a first control valve is provided on a connection line between the thermal storage module and the heat exchange line placed outside the thermal storage chamber.
6. The thermal storage and defrost system according to claim 4, wherein the thermal storage module is in communication with the heat exchange line, and a second control valve is provided on the connection line between the thermal storage module and the heat exchange line, through which the amount of heat carrier entering the thermal storage module from the heat exchange line can be controlled.
7. The thermal storage and defrosting system according to claim 6 wherein the heat exchange portion is communicated with the thermal storage module, a third control valve is provided on a connection pipe between the heat exchange portion and the thermal storage module, and the heat carrier in the heat exchange pipe can flow into the thermal storage module after exchanging heat through the heat exchange portion.
8. The thermal storage defrost system according to claim 7, wherein the thermal storage module comprises a thermal storage tank and an electric auxiliary heating portion disposed inside the thermal storage tank, a liquid outlet of the thermal storage tank is respectively communicated with the heat exchange pipeline and a user side disposed outside the thermal storage cavity, and a liquid inlet of the thermal storage tank is respectively communicated with the heat exchange pipeline and the heat exchange portion disposed outside the thermal storage cavity.
9. The thermal storage defrost system according to claim 3, wherein an auxiliary branch is provided between the heat exchange portion and the inlet of the heat exchange pipeline, a fourth control valve is provided on the auxiliary branch, and the heat carrier in the heat exchange pipeline returns to the heat exchange pipeline through the auxiliary branch after exchanging heat with the fin heat exchanger through the heat exchange portion.
10. The thermal storage defrost system according to claim 1, wherein the refrigerant circulation module comprises a compressor, an oil separator, a fin heat exchanger, a dry filter, an expansion valve, a shell and tube heat exchanger and an air suction port of the compressor are sequentially connected along an air discharge port direction of the compressor to form a loop, and the compressor motor is electrically connected with the compressor.
11. An air conditioner comprising the heat storage defrosting system according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223426373.4U CN219014566U (en) | 2022-12-20 | 2022-12-20 | Heat accumulation defrosting system and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223426373.4U CN219014566U (en) | 2022-12-20 | 2022-12-20 | Heat accumulation defrosting system and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219014566U true CN219014566U (en) | 2023-05-12 |
Family
ID=86248086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223426373.4U Active CN219014566U (en) | 2022-12-20 | 2022-12-20 | Heat accumulation defrosting system and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219014566U (en) |
-
2022
- 2022-12-20 CN CN202223426373.4U patent/CN219014566U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101975422B (en) | Warm/cool air-conditioner and defrosting method thereof | |
| EP2397782B1 (en) | Hot water supply device associated with heat pump | |
| US5937663A (en) | Multipurpose heat pump system | |
| CN102235777B (en) | Heat pump type speed heating apparatus | |
| CN203231419U (en) | Air conditioner | |
| CN101469926B (en) | Improved air conditioner defrosting system and its control method | |
| CN111256290A (en) | Heat pump air conditioner | |
| CN107525174A (en) | A kind of multi-online air-conditioning system and its control method | |
| CN109306611A (en) | A kind of clothes treatment device and its control method with room temperature regulatory function | |
| CN106608157A (en) | Air conditioner system and air conditioner control method | |
| CN212538209U (en) | Heat pump system, heat pump air conditioner comprising same and heat pump water heater | |
| CN106839518A (en) | The double cold and hot pump assemblys of integral type | |
| CN113865208B (en) | Heat pump rotating wheel coupling device for frostless refrigeration house and operation method | |
| CN202993410U (en) | Air conditioner outdoor unit with built-in auxiliary electric heater | |
| CN110617644A (en) | Heat exchange system, air conditioner and control method of air conditioner | |
| CN212253004U (en) | Two-stage indirect evaporative cooling air conditioning unit | |
| CN212253005U (en) | Anti-freezing type indirect evaporative cooling air conditioning unit | |
| CN109774418B (en) | Air conditioning system, control method thereof and automobile | |
| CN105020936B (en) | Air-conditioner heat pump hot-water system | |
| CN219014566U (en) | Heat accumulation defrosting system and air conditioner | |
| CN111594962A (en) | Fluorine pump energy-saving indirect evaporative cooling air conditioning unit and control method | |
| CN106403345A (en) | Heat pump system and control method thereof | |
| CN110296507A (en) | A kind of heat exchange control of air-conditioner outdoor unit | |
| CN213514206U (en) | Energy-saving indirect evaporative cooling air conditioning unit with fluorine pump | |
| KR102393637B1 (en) | Hybrid type chiller and heater using water as a heat transfer medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |