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 PDFInfo
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- 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
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- filter
- compressor
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 26
- 238000009825 accumulation Methods 0.000 title claims abstract description 21
- 238000010257 thawing Methods 0.000 title abstract description 20
- 230000002441 reversible Effects 0.000 claims abstract description 50
- 238000004146 energy storage Methods 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 5
- 230000005611 electricity Effects 0.000 abstract description 6
- 239000003507 refrigerant Substances 0.000 description 9
- 238000001704 evaporation Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000007906 compression Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000644 propagated Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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
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)
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
Priority Applications (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 |
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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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920397809.0U Active CN209726564U (en) | 2019-03-26 | 2019-03-26 | A kind of phase-change accumulation energy defrosting Multifunctional cold heating system |
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Cited By (1)
| 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 |
-
2019
- 2019-03-26 CN CN201920397809.0U patent/CN209726564U/en active Active
Cited By (2)
| 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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