CN107883556A - Heater and air conditioner - Google Patents
Heater and air conditioner Download PDFInfo
- Publication number
- CN107883556A CN107883556A CN201711001913.5A CN201711001913A CN107883556A CN 107883556 A CN107883556 A CN 107883556A CN 201711001913 A CN201711001913 A CN 201711001913A CN 107883556 A CN107883556 A CN 107883556A
- Authority
- CN
- China
- Prior art keywords
- refrigerant
- refrigerant circulation
- heating plate
- heater according
- circulation chamber
- 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.)
- Pending
Links
- 239000003507 refrigerant Substances 0.000 claims abstract description 136
- 238000010438 heat treatment Methods 0.000 claims abstract description 69
- 238000009835 boiling Methods 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 10
- 238000007747 plating Methods 0.000 claims description 4
- 238000007598 dipping method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 7
- 238000010257 thawing Methods 0.000 description 5
- 238000005485 electric heating Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 208000000884 Airway Obstruction Diseases 0.000 description 1
- 206010008589 Choking Diseases 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/08—Removing frost by electric heating
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Resistance Heating (AREA)
Abstract
The present invention provides a kind of heater and air conditioner.The heater includes refrigerant circulation chamber (1), and the heating plate (2) for extending along refrigerant flow direction and being heated to refrigerant is provided with refrigerant circulation chamber (1).According to the heater of the present invention, the heat exchange area of refrigerant and heater can be increased, avoid refrigerant heating-up temperature too high.
Description
Technical field
The invention belongs to air-conditioning technical field, and in particular to a kind of heater and air conditioner.
Background technology
Heat pump air conditioner Defrost mode predominantly refrigeration reverse cycle defrosting, is commutated by four-way valve and cuts system by heating circulation
Change to kind of refrigeration cycle, during the defrosting indoor heat exchanger as evaporator can heat in absorption chamber, and four-way valve commutation
Process also holding time, cause room temperature to decline a lot, influence the comfortableness of interior.In addition, hot gas defrosting mode is current
For carrying out heat pump air conditioner defrosting, its increase expansion valve flow in the case where heating circulates makes high temperature refrigerant be defrosted into condenser, though
In the absence of the risk from indoor heat absorption, but expansion valve open it is big after still suffer from Choking phenomenon, the refrigerant temperature of outlet can substantially reduce,
Defrosting effect is undesirable, while cold medium flux is big, lacks evaporation side, the risk that compressor is run with liquid be present.
In order to solve the above problems, a kind of electric heating enthalpy-adding anti-frost apparatus is disclosed in the prior art, and it includes a resistance
Silk and double layer of metal pipe, resistance wire fit with inner layer metal inside pipe wall, and ectonexine metal tube is tightly connected cold for filling
Matchmaker.The contact area of such a tubular type electric heating increasing enthalpy structure refrigerant and electric heating tube is limited, causes overall electric heating tube length very long,
Structure is put more difficult in air conditioner；On the other hand, contact area deficiency can cause refrigerant in the case of identical heat is conveyed
Heated temperature is higher, the risk that refrigerant physical property changes or even is carbonized be present.
The content of the invention
Therefore, the technical problem to be solved in the present invention is to provide a kind of heater and air conditioner, can increase refrigerant
With the heat exchange area of heater, avoid refrigerant heating-up temperature too high.
In order to solve the above problems, the present invention provides a kind of heater, including refrigerant circulation chamber, is set in refrigerant circulation chamber
It is equipped with the heating plate for extending along refrigerant flow direction and being heated to refrigerant.
Preferably, multiple heating plates are disposed in refrigerant circulation chamber, and refrigerant circulation chamber is divided into the more of parallel connection
Individual refrigerant circulation passage.
Preferably, heating plate is horizontally disposed with, and multiple heating plates are arranged at intervals along the vertical direction；Or, heating plate is vertically arranged,
Multiple horizontally spaced settings of heating plate.
Preferably, heating plate is embedded on the madial wall of refrigerant circulation chamber.
Preferably, it along the corrugated plating or heating plate of the flow direction dipping and heaving of refrigerant is flat board that heating plate, which is,.
Preferably, the entrance point of refrigerant circulation chamber and/or the port of export are provided with refrigerant mixing chamber, refrigerant mixing chamber with it is each cold
Matchmaker's circulation passage connects.
Preferably, the sectional area of refrigerant mixing chamber gradually increases along close to the direction of refrigerant circulation chamber.
Preferably, heating plate is electric boiling plate, and the binding post of electric boiling plate is provided with the lateral wall of refrigerant circulation chamber.
Preferably, electric boiling plate has also been electrically connected temperature limiter and/or fuse.
Preferably, refrigerant circulation chamber includes housing, and housing includes heat-insulation layer.
Preferably, housing also includes metal level, and heat-insulation layer is coated on outside metal level.
According to another aspect of the present invention, there is provided a kind of air conditioner, including above-mentioned heater.
Heater provided by the invention, including refrigerant circulation chamber, it is provided with along refrigerant in the refrigerant circulation chamber and flows
The heating plate that direction extends and heated to refrigerant.The present invention adds by the way of heating plate contacts with refrigerant to refrigerant
Heat, for electric heater for heating mode of the prior art, the heated heat exchange area of refrigerant can be increased, effectively subtracted
The overall volume of small electrical heating modular device, production efficiency and reliability are improved, and make it that refrigerant heat exchange is more uniform, improved cold
Matchmaker's heat exchange efficiency.
Brief description of the drawings
Fig. 1 is the decomposition texture schematic diagram of the heater of the embodiment of the present invention；
Fig. 2 is the dimensional structure diagram of the heater of the embodiment of the present invention.
Reference is expressed as：
1st, refrigerant circulation chamber；2nd, heating plate；3rd, refrigerant circulation passage；4th, refrigerant mixing chamber；5th, binding post.
Embodiment
With reference to shown in referring to Fig. 1 and 2, according to an embodiment of the invention, heater includes refrigerant circulation chamber 1, refrigerant stream
The heating plate 2 for extending along refrigerant flow direction and being heated to refrigerant is provided with logical room 1.
The present invention heats by the way of heating plate 2 contacts with refrigerant to refrigerant, relative to electricity of the prior art
For heating tube mode of heating, the heated heat exchange area of refrigerant can be increased, effectively reduce the entirety of electrical heating modular device
Volume, production efficiency and reliability are improved, and make it that refrigerant heat exchange is more uniform, improve refrigerant heat exchange efficiency.
Preferably, multiple heating plates 2 are disposed in refrigerant circulation chamber 1, and refrigerant circulation chamber 1 is divided into parallel connection
Multiple refrigerant circulation passages 3.When refrigerant flows into refrigerant circulation chamber, can separately flow into multiple refrigerant circulation passages 3, and pass through
Multiple heating plates 2 heat to refrigerant simultaneously, can further improve the contact area of refrigerant and heating plate 2, increase refrigerant
The efficiency of heating surface, simultaneously because refrigerant and heating plate bump contact, therefore each heating plate 2 needs the coolant quantity that heats simultaneously
It is larger, it is possible to prevente effectively from the problem of refrigerant physical property caused by refrigerant temperature heating is higher is changed, ensures that refrigerant is worked
Reliability and stability in journey.
In the present embodiment, heating plate 2 is horizontally disposed, and multiple heating plates 2 are arranged at intervals along the vertical direction.Refrigerant is in refrigerant
The porch of circulation chamber 1 is shunted, and is then had respectively entered in each refrigerant circulation passage 3 and is heated, cold so as to improve
The efficiency of heating surface and heating effect of matchmaker.
Among another embodiment, heating plate 2 is vertically arranged, multiple 2 horizontally spaced settings of heating plate.One
As for, heater is provided between outdoor heat exchanger and indoor heat exchanger, when needing that outdoor heat exchanger is removed
When white, the refrigerant entered by indoor heat exchanger in heater after being exchanged heat with indoor heat exchanger, have it is larger can
Can be two phases, in refrigerant flow process, gaseous coolant can be uniformly distributed in each refrigerant circulation passage 3, and liquid
Refrigerant then can be under gravity to the flows of heater, after heating plate 2 is vertically arranged, then each refrigerant stream
Circulation passage 3 is uniform along horizontal direction, and the bottom level of each refrigerant circulation passage is identical, therefore, when liquid refrigerants flows
During to heater bottom, it still can be evenly distributed in each refrigerant circulation passage 3, easily facilitate and realize the uniform of refrigerant
Distribution, the refrigerant that can avoid liquid refrigerants gravity influences to bring distribute the problem of uneven, improve the heat exchange effect of refrigerant
Rate.
Preferably, heating plate 2 is embedded on the madial wall of refrigerant circulation chamber 1, can simplify the mounting structure of heating plate 2,
Reduce installation cost.
Preferably, heating plate 2 be along refrigerant flow direction dipping and heaving corrugated plating or heating plate 2 be flat board.When adding
When hot plate 2 is corrugated plating, in refrigerant flow process, the edge effect of heating plate 2 can be utilized to cause refrigerant that turbulent flow, position occurs
Refrigerant on the inside of refrigerant circulation passage can move to the position contacted with heating plate 2 in flow process, so that cold
Refrigerant in matchmaker's circulation passage 3 can be contacted more fully with heating plate 2, further improve the heat exchange of refrigerant and heating plate
Efficiency.
Certainly, heating plate 2 can also be flat board, and can be set on flat board can flow the projection to form turbulent flow to refrigerant
Or groove structure, so that refrigerant and the heat exchange of heating plate 2 are more abundant.
Preferably, the entrance point of refrigerant circulation chamber 1 and/or the port of export are provided with refrigerant mixing chamber 4, refrigerant mixing chamber 4 with
Each refrigerant circulation passage 3 connects.It is pre- that refrigerant mixing chamber 4 can make it that refrigerant is carried out before refrigerant enters refrigerant circulation chamber 1
Mixing, can more uniformly be distributed to each refrigerant circulation passage 3 afterwards.In addition, the port of export in refrigerant circulation chamber 1 is set
Refrigerant mixing chamber 4 is put, refrigerant can be made to carry out fully heat exchange and then secondary mixing outflow in each refrigerant circulation passage 3, from
And more facilitate and heat exchange is carried out between outdoor heat exchanger.
Preferably, the sectional area of refrigerant mixing chamber 4 gradually increases along close to the direction of refrigerant circulation chamber 1.Refrigerant mixes
The effect of room is exactly that refrigerant is heated by electric boiling plate, and the setting of multilayer electric boiling plate ensure that refrigerant changes with electrically heated
Hot area so that under the conditions of identical heating power, the refrigerant heating that larger heat exchange area obtains is smaller, improves system safety
Property.
Preferably, heating plate 2 is electric boiling plate 2, and the wiring of electric boiling plate 2 is provided with the lateral wall of refrigerant circulation chamber 1
Terminal 5.Heater is powered by binding post 5 to electric boiling plate so that electric boiling plate can be provided quickly for refrigerant
Adequate heat, ensure institute's calorific requirement of indoor heating and outdoor heat exchanger defrost so that system stable operation, while indoor temperature
Larger temperature drop will not occur, improve user's comfort.
Electric boiling plate is drawn connecting line by the binding post 5 of side, and is connected with the controller of air-conditioner outdoor unit
Connect.
Preferably, electric boiling plate 2, which is also electrically connected, temperature limiter and/or fuse.Temperature limiter and/or fuse can be protected
Demonstrate,prove the safe working temperature of electrical heating module and the global reliability of outdoor unit.
Preferably, refrigerant circulation chamber 1 includes housing, and housing includes heat-insulation layer.Heat-insulation layer can play insulation effect, prevent
Heat is largely scattered and disappeared at heater so that heat more efficiently can be retained in housing, so as to be absorbed by refrigerant, carried
The utilization ratio of high heater plate, energy waste is reduced, improve energy utilization rate.Heat-insulation layer can be plastics either other tools
There is the material of heat-insulating property.
Preferably, housing also includes metal level, and heat-insulation layer is coated on outside metal level.Metal level can coordinate with heating plate 2
Heat transfer structure is formed, so as to more fully be heated to refrigerant, more preferably, Btu utilization is more abundant for heating effect.Work as shell
It is, for example, heat-preservation cotton etc. in the heat-insulation layer of metal level outer cladding when body includes metal level.
It should be noted that the size of Integral heating device combines its putting position inside outdoor unit, and according to total electricity
Heat input power and corresponding heat exchange area determines, heater can pass through the modes such as screw, buckle and outdoor unit partition, bottom
The structures such as seat are fixed, and can be horizontally or vertically placed, specific pose pattern is unlimited.
When low temperature refrigerant passes through pipeline to heater from system, refrigerant mixing chamber 4, refrigerant mixing chamber are initially entered
The copper pipe that the pipeline of 4 inlet and outlet matches for size with system pipeline, both are connected by welding manner.Then refrigerant enters
Refrigerant circulation chamber 1 flows in refrigerant circulation passage 3, and with electric boiling plate contact heat-exchanging, for increase refrigerant and electric boiling plate
Contact area, the particular number n of electric boiling plate adjust according to overall electrical heating module size, and preferable quantity is n=2-6 pieces,
The power W of electrical heating module is as needed to indoor heating amount and premised on ensureing defrost speed, then the work(of every piece of electric boiling plate
Rate W1=W/n, wherein W are total heating power of electric boiling plate, and n is electric boiling plate quantity.When refrigerant after electric boiling plate it is warm
Degree rise, enters back into after refrigerant mixing chamber 4 converges and defrost is carried out in outdoor unit.
According to an embodiment of the invention, air conditioner includes above-mentioned heater.
For those skilled in the art it is easily understood that on the premise of not conflicting, above-mentioned each advantageous manner can be free
Ground combination, superposition.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.With
Only it is the preferred embodiment of the present invention described in upper, it is noted that for those skilled in the art, not
On the premise of departing from the technology of the present invention principle, some improvement and modification can also be made, these improvement and modification also should be regarded as this
The protection domain of invention.
Claims (12)
1. a kind of heater, it is characterised in that including refrigerant circulation chamber (1), be provided with the refrigerant circulation chamber (1) along cold
The heating plate (2) that matchmaker flow direction extends and heated to refrigerant.
2. heater according to claim 1, it is characterised in that multiple heating plates (2) are disposed on described
In refrigerant circulation chamber (1), and the refrigerant circulation chamber (1) is divided into multiple refrigerant circulation passages (3) in parallel.
3. heater according to claim 2, it is characterised in that the heating plate (2) is horizontally disposed, it is multiple described plus
Hot plate (2) is arranged at intervals along the vertical direction；Or, the heating plate (2) is vertically arranged, multiple heating plates (2) are along level side
To interval setting.
4. heater according to any one of claim 1 to 3, it is characterised in that the heating plate (2) is embedded in institute
On the madial wall for stating refrigerant circulation chamber (1).
5. heater according to any one of claim 1 to 3, it is characterised in that the heating plate (2) is along described
The corrugated plating or the heating plate (2) of the flow direction dipping and heaving of refrigerant are flat board.
6. the heater according to Claims 2 or 3, it is characterised in that the entrance point of the refrigerant circulation chamber (1) and/
Or the port of export is provided with refrigerant mixing chamber (4), the refrigerant mixing chamber (4) connects with each refrigerant circulation passage (3).
7. heater according to claim 6, it is characterised in that the sectional area of the refrigerant mixing chamber (4) along by
The direction of the nearly refrigerant circulation chamber (1) gradually increases.
8. heater according to any one of claim 1 to 3, it is characterised in that the heating plate (2) is electrical heating
Plate (2), the binding post (5) of the electric boiling plate (2) is provided with the lateral wall of the refrigerant circulation chamber (1).
9. heater according to claim 8, it is characterised in that the electric boiling plate (2) is also electrically connected limited temperature
Device and/or fuse.
10. heater according to claim 1, it is characterised in that the refrigerant circulation chamber (1) includes housing, described
Housing includes heat-insulation layer.
11. heater according to claim 10, it is characterised in that the housing also includes metal level, the insulation
Layer is coated on outside the metal level.
12. a kind of air conditioner, it is characterised in that including the heater any one of claim 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711001913.5A CN107883556A (en) | 2017-10-24 | 2017-10-24 | Heater and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711001913.5A CN107883556A (en) | 2017-10-24 | 2017-10-24 | Heater and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107883556A true CN107883556A (en) | 2018-04-06 |
Family
ID=61782314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711001913.5A Pending CN107883556A (en) | 2017-10-24 | 2017-10-24 | Heater and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107883556A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426393A (en) * | 2018-04-12 | 2018-08-21 | 珠海格力电器股份有限公司 | Refrigerant heating device and air conditioner with it |
| CN110388778A (en) * | 2018-04-19 | 2019-10-29 | 青岛海尔股份有限公司 | Finned evaporator and refrigerator for refrigerator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4717813A (en) * | 1986-04-16 | 1988-01-05 | Texas Instruments Incorporated | Multipassage, multiphase electrical heater |
| CN1575046A (en) * | 2003-06-10 | 2005-02-02 | 株式会社电装 | Electrical heater, heating heat exchanger and vehicle air conditioner |
| CN203274385U (en) * | 2012-12-21 | 2013-11-06 | 洛阳蓝海实业有限公司 | Refrigerant heater |
| CN207438832U (en) * | 2017-10-24 | 2018-06-01 | 珠海格力电器股份有限公司 | Heating unit and air conditioner |
-
2017
- 2017-10-24 CN CN201711001913.5A patent/CN107883556A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4717813A (en) * | 1986-04-16 | 1988-01-05 | Texas Instruments Incorporated | Multipassage, multiphase electrical heater |
| CN1575046A (en) * | 2003-06-10 | 2005-02-02 | 株式会社电装 | Electrical heater, heating heat exchanger and vehicle air conditioner |
| CN203274385U (en) * | 2012-12-21 | 2013-11-06 | 洛阳蓝海实业有限公司 | Refrigerant heater |
| CN207438832U (en) * | 2017-10-24 | 2018-06-01 | 珠海格力电器股份有限公司 | Heating unit and air conditioner |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426393A (en) * | 2018-04-12 | 2018-08-21 | 珠海格力电器股份有限公司 | Refrigerant heating device and air conditioner with it |
| CN108426393B (en) * | 2018-04-12 | 2023-07-14 | 珠海格力电器股份有限公司 | Refrigerant heating device and air conditioner with same |
| CN110388778A (en) * | 2018-04-19 | 2019-10-29 | 青岛海尔股份有限公司 | Finned evaporator and refrigerator for refrigerator |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180406 |