CN209726564U - A kind of phase-change accumulation energy defrosting Multifunctional cold heating system - Google Patents

A kind of phase-change accumulation energy defrosting Multifunctional cold heating system Download PDF

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Publication number
CN209726564U
CN209726564U CN201920397809.0U CN201920397809U CN209726564U CN 209726564 U CN209726564 U CN 209726564U CN 201920397809 U CN201920397809 U CN 201920397809U CN 209726564 U CN209726564 U CN 209726564U
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valve
reversal valve
compressor
phase
filter
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CN201920397809.0U
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曾智勇
梁荣
张增添
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Qingdao Aineng Smart Equipment Co Ltd
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Qingdao Aineng Smart Equipment Co Ltd
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Abstract

The utility model discloses a kind of phase-change accumulation energy defrosting Multifunctional cold heating systems, including compressor, the first reversal valve, the second reversal valve, indoor heat exchanger, the 4th filter, the second electric expansion valve, third filter, first filter, the first electric expansion valve, the second filter and the outdoor heat exchanger successively contacted by pipeline, outdoor heat exchanger is connected by the second reversal valve and the first reversal valve with compressor;It further include the liquid heat insulation box being sequentially connected in series by pipeline, check valve, second solenoid valve, energy storage canister and third solenoid valve, third solenoid valve is connected with the second reversal valve;The first solenoid valve is provided on pipeline between energy storage canister and the first reversal valve.The serious problem of electricity peak period air source heat pump frosting can effectively solve the problem that by the setting of energy storage canister using the phase-change accumulation energy defrosting Multifunctional cold heating system of above-mentioned connection structure design, and can be realized a tractor serves several purposes, operating cost is then effectively reduced.

Description

A kind of phase-change accumulation energy defrosting Multifunctional cold heating system
Technical field
The utility model relates to air-conditioning technical field more particularly to a kind of phase-change accumulation energy defrosting Multifunctional cold heating systems.
Background technique
Studies have shown that air source heat pump is between -5 DEG C~5 DEG C, relative humidity is run under 70% or more meteorological condition When its outdoor heat exchanger surface be most easy frosting.Outdoor temperature between -12.8 DEG C~5.8 DEG C, relative humidity 65% with On range in, outdoor heat exchanger is likely to occur frosting.And when relative air humidity is lower than 65%, frosting is difficult.Air-source The frosting of heat pump outdoor heat exchanger, defrosting problem lead to unit fluctuation of service and poor reliability.
Existing Defrost technology mainly has: reverse cycle defrosting and electric heated defrosting.Reverse cycle defrosting is commutated by four-way valve Make refrigerant along loop reverse flow, heat pump is converted into cooling condition from heating condition, heat pump is discharged to outdoor from indoor heat absorption Heat exchanger is to melt its surface frosting.This Defrost method is not required to add any equipment, only need to allow four-way valve when needing to defrost Commutation;Electric heated defrosting provides heat by using heat tape or other external electric heat sources, and heat is from outside Pass to the outer surface of frost, from outside to inside defrost.
Reverse cycle defrosting has the disadvantage that:
1. for Split heat pump, when Defrost operation, not only, also from indoor heat absorption, Indoor Temperature cannot be made to indoor heating When spending decline, and being transferred to heating operation, the room temperature rise time extends, and indoor comfort reduces.
2. needing to provide heat using the hot water in water tank for large-scale heat pump, supply water temperature is reduced.
3. four-way valve commutation is frequently, noise is big and easy to wear.
Electric heating defrost disadvantage:
1. efficiency is far below using the inverse circulation defrost of heat pump.
2. heat is propagated in air, loss is serious.
Utility model content
The purpose of this utility model is to provide a kind of phase-change accumulation energy defrosting Multifunctional cold heating system, phase-change accumulation energy defrostings Multifunctional cold heating system can effectively solve the problem that electricity peak period air source heat pump frosting is serious by the setting of energy storage canister Problem, and can be realized a tractor serves several purposes, operating cost is then effectively reduced.
For this purpose, the utility model uses following technical scheme:
A kind of phase-change accumulation energy defrosting Multifunctional cold heating system, including passing through compressor, the first commutation that pipeline is successively contacted Valve, the second reversal valve, indoor heat exchanger, the 4th filter, the second electric expansion valve, third filter, first filter, first Electric expansion valve, the second filter and outdoor heat exchanger, the outdoor heat exchanger pass through second reversal valve and described first Reversal valve is connected with the compressor;
It further include the liquid heat insulation box being sequentially connected in series by pipeline, check valve, second solenoid valve, energy storage canister and third electromagnetism Valve, the third solenoid valve are connected with second reversal valve;Pipeline between the energy storage canister and first reversal valve On be provided with the first solenoid valve.
Wherein, further include gas-liquid separator, the two-port of the gas-liquid separator respectively with the compressor and described Two reversal valves are connected.
Wherein, first reversal valve and second reversal valve are disposed as four-way valve.
Wherein, the first needle-valve is provided on the pipeline between the gas-liquid separator and the compressor.
Wherein, the second needle-valve is provided on the pipeline between first reversal valve and the compressor.
Wherein, the compressor is set as compressor.
The utility model has the beneficial effects that the utility model provides a kind of phase-change accumulation energy defrosting Multifunctional cold heating system, Including compressor, the first reversal valve, the second reversal valve, indoor heat exchanger, the 4th filter, second successively contacted by pipeline Electric expansion valve, third filter, first filter, the first electric expansion valve, the second filter and outdoor heat exchanger, the room External heat exchanger is connected by second reversal valve and first reversal valve with the compressor;Further include by pipeline according to Secondary concatenated liquid heat insulation box, check valve, second solenoid valve, energy storage canister and third solenoid valve, the third solenoid valve with it is described Second reversal valve is connected;The first solenoid valve is provided on pipeline between the energy storage canister and first reversal valve.Using The phase-change accumulation energy defrosting Multifunctional cold heating system of above-mentioned connection structure design can effectively solve the problem that by the setting of energy storage canister The serious problem of electricity peak period air source heat pump frosting, and can be realized a tractor serves several purposes, operating cost is then effectively reduced.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of phase-change accumulation energy defrosting Multifunctional cold heating system of the utility model.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
As shown in connection with fig. 1, a kind of phase-change accumulation energy defrosting Multifunctional cold heating system is present embodiments provided, including passes through pipeline Compressor 1, the first reversal valve 21, the second reversal valve 22, indoor heat exchanger 31, the 4th the 41, second electricity of filter successively contacted Sub- expansion valve 51, third filter 42, first filter 44, the first electric expansion valve 52, the second filter 43 and outdoor heat exchange Device 32, the outdoor heat exchanger 32 are connected by second reversal valve 22 and first reversal valve 21 with the compressor 1 It connects;
In addition, further including the liquid heat insulation box 6 being sequentially connected in series by pipeline, check valve 7, second solenoid valve 81, energy storage canister 9 And third solenoid valve 82, the third solenoid valve 82 are connected with second reversal valve 22;The energy storage canister 9 and described first The first solenoid valve 83 is provided on pipeline between reversal valve 21.It further include gas-liquid separator 11, the gas-liquid separator 11 Two-port is connected with the compressor 1 and second reversal valve 22 respectively.
In the present embodiment, first reversal valve 21 and second reversal valve 22 are disposed as four-way valve.In addition, institute It states and is provided with the first needle-valve 12 on the pipeline between gas-liquid separator 11 and the compressor 1, first reversal valve 21 and institute It states and is provided with the second needle-valve 13 on the pipeline between compressor 1.
It, can be respectively in following several works using the phase-change accumulation energy defrosting Multifunctional cold heating system of above-mentioned connection type design It is run under condition:
1. as shown in connection with fig. 1, after unit powers on, activation system refrigerant passes through compression when room needs to warm oneself Machine 1 is entered the room after heat exchanger 31 is heated by the first reversal valve 21, the second reversal valve 22 through the 4th filtering after compressing Device 41, the second electric expansion valve 51, third filter 42, piping connection between first filter 44, refrigerant passes through the later The throttling of one electric expansion valve 52 subsequently enters evaporation endothermic in outdoor heat exchanger 32 by the second filter 43 after throttling, evaporates Refrigerant is returned in compressor 1 by the second reversal valve 22, gas-liquid separator 11 afterwards, and system enters next circulation.
2. as shown in connection with fig. 1, after unit powers on, system refrigerant passes through compression when heating rooms phase-change accumulation energy Machine 1, which is entered after energy storage canister 9 carries out energy storage after compressing by the first reversal valve 21, the second reversal valve 22, third solenoid valve 82, to be passed through Piping connection between second solenoid valve 81, first filter 44, by second after then being throttled by the first electric expansion valve 52 Filter 43 enters evaporation of absorbing heat in outdoor heat exchanger 32, then passes sequentially through the second reversal valve 22, gas-liquid separator 11 returns to The gas returning port of compressor 1, system enter next circulation.
3. as shown in connection with fig. 1, after unit powers on, system refrigerant passes through compressor 1 when water heating phase-change accumulation energy Entered after energy storage canister 9 carries out energy storage after compression by the first reversal valve 21, the first solenoid valve 83 and passes through second solenoid valve 81, first Piping connection between filter 44 is changed by the second filter 43 into outdoor after then being throttled by the first electric expansion valve 52 It absorbs heat in hot device 32 evaporation, then passes sequentially through the second reversal valve 22, gas-liquid separator 11 returns to the gas returning port of compressor 1, be System enters next circulation.
4. as shown in connection with fig. 1, after unit powers on, activation system refrigerant is logical when heating rooms, heating water defrosting Overcompression machine 1, which enters outdoor heat exchanger 32 by the first reversal valve 21, the second reversal valve 22 after compressing, to carry out after defrosting by the Piping connection between tow filtrator 43, refrigerant is throttled by the first electric expansion valve 52 later, passes through the first filtering after throttling Device 44, second solenoid valve 81 subsequently enter evaporation endothermic in energy storage canister 9, and refrigerant passes through third solenoid valve 82, second after evaporation Reversal valve 22, gas-liquid separator 11 return in compressor 1, and system enters next circulation.
By the setting of above-mentioned several operating conditions, pass through energy storage on the basis of meeting heating, refrigeration and domestic hot-water's function The setting of tank 9 increases system in the heat storage function of paddy electricity period, efficiently solves electricity peak period air source heat pump The serious problem of frosting.It realizes a tractor serves several purposes and reduces the purpose of operating cost expense.
Technical principle of the utility model has been described above with reference to specific embodiments.These descriptions are intended merely to explain this reality With novel principle, and it cannot be construed to the limitation to scope of protection of the utility model in any way.Based on the explanation herein, Those skilled in the art, which does not need to pay for creative labor, can associate with other specific implementation modes of this utility model, These modes are fallen within the protection scope of the utility model.

Claims (6)

  1. The Multifunctional cold heating system 1. a kind of phase-change accumulation energy defrosts, it is characterised in that: including successively contacted by pipeline compressor, First reversal valve, the second reversal valve, indoor heat exchanger, the 4th filter, the second electric expansion valve, third filter, the first mistake Filter, the first electric expansion valve, the second filter and outdoor heat exchanger, the outdoor heat exchanger by second reversal valve and First reversal valve is connected with the compressor;
    It further include the liquid heat insulation box being sequentially connected in series by pipeline, check valve, second solenoid valve, energy storage canister and third solenoid valve, The third solenoid valve is connected with second reversal valve;It is set on pipeline between the energy storage canister and first reversal valve It is equipped with the first solenoid valve.
  2. The Multifunctional cold heating system 2. a kind of phase-change accumulation energy according to claim 1 defrosts, it is characterised in that: further include gas-liquid Separator, the two-port of the gas-liquid separator are connected with the compressor and second reversal valve respectively.
  3. The Multifunctional cold heating system 3. a kind of phase-change accumulation energy according to claim 1 defrosts, it is characterised in that: described first changes Four-way valve is disposed as to valve and second reversal valve.
  4. The Multifunctional cold heating system 4. a kind of phase-change accumulation energy according to claim 2 defrosts, it is characterised in that: the gas-liquid point From being provided with the first needle-valve on the pipeline between device and the compressor.
  5. The Multifunctional cold heating system 5. a kind of phase-change accumulation energy according to claim 1 defrosts, it is characterised in that: described first changes The second needle-valve is provided on the pipeline between valve and the compressor.
  6. The Multifunctional cold heating system 6. a kind of phase-change accumulation energy according to claim 1 defrosts, it is characterised in that: the compressor It is set as compressor.
CN201920397809.0U 2019-03-26 2019-03-26 A kind of phase-change accumulation energy defrosting Multifunctional cold heating system Active CN209726564U (en)

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Application Number Priority Date Filing Date Title
CN201920397809.0U CN209726564U (en) 2019-03-26 2019-03-26 A kind of phase-change accumulation energy defrosting Multifunctional cold heating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920397809.0U CN209726564U (en) 2019-03-26 2019-03-26 A kind of phase-change accumulation energy defrosting Multifunctional cold heating system

Publications (1)

Publication Number Publication Date
CN209726564U true CN209726564U (en) 2019-12-03

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112594824A (en) * 2021-01-25 2021-04-02 广东积微科技有限公司 Non-stop defrosting multi-online hot water system and control method thereof
CN112594824B (en) * 2021-01-25 2022-06-21 广东积微科技有限公司 Non-stop defrosting multi-online hot water system and control method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112594824A (en) * 2021-01-25 2021-04-02 广东积微科技有限公司 Non-stop defrosting multi-online hot water system and control method thereof
CN112594824B (en) * 2021-01-25 2022-06-21 广东积微科技有限公司 Non-stop defrosting multi-online hot water system and control method thereof

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