CN203310177U - Refrigerant heating device of air conditioning outdoor unit and air conditioner - Google Patents
Refrigerant heating device of air conditioning outdoor unit and air conditioner Download PDFInfo
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- CN203310177U CN203310177U CN2013202687743U CN201320268774U CN203310177U CN 203310177 U CN203310177 U CN 203310177U CN 2013202687743 U CN2013202687743 U CN 2013202687743U CN 201320268774 U CN201320268774 U CN 201320268774U CN 203310177 U CN203310177 U CN 203310177U
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- end cover
- air
- heat exchanger
- outdoor unit
- electrothermal tube
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Abstract
The utility model discloses a refrigerant heating device of an air conditioning outdoor unit. The refrigerant heating device of the air conditioning outdoor unit comprises a shell body, a copper pipe heat exchanger, an electric heating pipe, an upper end cover and a lower end cover. The upper end cover and the lower end cover are in sealing connection with the two ends of the shell body respectively, and holes are formed in the upper end cover and the lower end cover respectively. The copper pipe heat exchanger is spirally arranged and is arranged in the shell body, and the two ends of the copper pipe heat exchanger penetrate through the hole of the upper end cover and the hole of the lower end cover respectively and are fixed. The electric heating pipe penetrates through the center of the copper pipe heat exchanger, the electric heating pipe and the copper pipe heat exchanger are in a non-contact mode, and the electrode of the electric heating pipe is guided out of one end of the shell body. The utility model further provides an air conditioner with the refrigerant heating device. The influence generated by too high surface temperature of the electric heating pipe on refrigerant can be avoided, and the using reliability of the air conditioner is improved.
Description
Technical field
The utility model belongs to air-conditioning technical field, is specifically related to a kind of refrigerant heater and the air-conditioner with this refrigerant heater of air-conditioner outdoor unit.
Background technology
In the winter time, frosting is the main cause that affects the heat pump air conditioner heating effect.When outdoor environment temperature was near or below 0 ℃, the air-conditioner outdoor unit operation just need to defrost the short period, cause that defrosting cycle is short, defrosting frequently.In limited defrosting time, the quantity of heat given up that heat pump air conditioner is depended merely on complete machine itself defrosts, and takes longlyer, easily causes the indoor apparatus of air conditioner heating capacity during this period of time to reduce or can't heat at all.
At present, some air-conditionings adopt auxiliary electric heater unit to carry out auxiliary heating in indoor set, but its heating effect is not good, and efficiency is also lower.And, by off-premises station, directly refrigerant being heated, can improve the efficiency of auxiliary heating.But existing common fluid heater exists the defects such as complex structure, volume is large, sealing is poor, the efficiency of heating surface is low, reliability is low, can't adapt to the instructions for use of high-performance air-conditioner machine refrigerant auxiliary heating.Also there are some directly heaters of heating refrigerant in prior art, its electrothermal tube directly contacts refrigerant, but the temperature on electrothermal tube surface is higher, when refrigerant flow rate is slow or stop flowing, due to the thermal inertia phenomenon, the electrothermal tube surface temperature can rise very fast, easily makes refrigerant rotten, thereby affects the use of air-conditioning.
The utility model content
Main purpose of the present utility model is to provide a kind of refrigerant heater of air-conditioner outdoor unit, is intended to solve prior art and easily makes the rotten technical problem of refrigerant.
The invention process a kind of refrigerant heater of air-conditioner outdoor unit, comprise housing, copper pipe heat exchanger, electrothermal tube, upper end cover and bottom end cover; Wherein, described upper end cover and bottom end cover are connected with the sealed at both ends of housing respectively, and on upper end cover and bottom end cover, all offer porose; Described copper pipe heat exchanger arranges in the shape of a spiral, is positioned at described housing, and two ends are respectively from passing the hole of described upper end cover and bottom end cover and being fixed; Described electrothermal tube passes from the center of described copper pipe heat exchanger, and with the contactless setting of described copper pipe heat exchanger, its electrode is drawn by an end of housing.
Preferably, described electrothermal tube comprises shell, is positioned at heating wire and the heat conductive insulating medium of shell.
Preferably, described heating wire and heat conductive insulating medium are positioned at the stage casing of shell inner chamber, and described electrothermal tube also comprises temperature limiter and the fuse-link that is positioned at shell inner chamber back segment.
Preferably, the shell front end of described electrothermal tube is provided with the magnesia fixed block that electrode is fixed and the end socket that electrode is protected, and the electrode be connected with heating wire passes described magnesia fixed block and end socket.
Preferably, in described housing, be filled with thermal conductance oil, described copper pipe heat exchanger is immersed in thermal conductance oil.
Preferably, the shell outer surface of described electrothermal tube and described copper pipe heat exchanger are at a distance of 1 to 3mm.
Preferably, described upper end cover and bottom end cover all with the inwall welded seal of described housing, the shell outer wall welded seal of the inwall of described bottom end cover and electrothermal tube.
Preferably, also comprise the insulation egative film with described bottom end cover outer face laminating, the middle part of this insulation egative film offers the fairlead that the electrode of confession electrothermal tube passes, and the exit end face of described electrode pushes against the insulation egative film; On this fairlead outer face, be provided with cavity, be filled with silica gel in described cavity.
Preferably, also comprise that sealing is arranged on the pump nozzle in described upper end cover, the oil filler point of this pump nozzle can pass through bolt seal.
The utility model also provides a kind of air-conditioner, and this air-conditioner comprises off-premises station, and this off-premises station is provided with the refrigerant heater, and this refrigerant heater comprises housing, copper pipe heat exchanger, electrothermal tube, upper end cover and bottom end cover; Wherein, described upper end cover and bottom end cover are connected with the sealed at both ends of housing respectively, and on upper end cover and bottom end cover, all offer porose; Described copper pipe heat exchanger arranges in the shape of a spiral, is positioned at described housing, and two ends are respectively from passing the hole of described upper end cover and bottom end cover and being fixed; Described electrothermal tube passes from the center of described copper pipe heat exchanger, and with the contactless setting of described copper pipe heat exchanger, its electrode is drawn by an end of housing.
In the refrigerant heater of the utility model air-conditioner outdoor unit, the contactless setting of copper pipe heat exchanger and electrothermal tube, electrothermal tube adopts the mode of indirect to heat the refrigerant in copper pipe heat exchanger, avoid the electrothermal tube surface temperature too high on the rotten impact of refrigerant generation, promoted the dependability of air-conditioner.In addition, in the utility model refrigerant heater, accommodate copper pipe heat exchanger and electrothermal tube by housing, make the overall volume of refrigerant heater compacter.Further, the housing of refrigerant heater is sealed at both ends is connected with upper and lower end cap, has improved the sealing property of refrigerant heater, has guaranteed reliability of operation.
The accompanying drawing explanation
Fig. 1 is the cross-sectional view of the refrigerant heater of air-conditioner outdoor unit in the utility model one embodiment;
Fig. 2 is the structural representation of copper pipe heat exchanger in the utility model one embodiment;
Fig. 3 is the structural representation of electrothermal tube in the utility model one embodiment.
The realization of the utility model purpose, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The utility model embodiment provides a kind of refrigerant heater of air-conditioner outdoor unit, and as shown in Figure 1, the refrigerant heater of this air-conditioner outdoor unit comprises housing 1, copper pipe heat exchanger 2, electrothermal tube 3, upper end cover 4 and bottom end cover 5 at least; Wherein, described upper end cover 4 and bottom end cover 5 are connected with the sealed at both ends of housing 1 respectively, and on upper end cover 4 and bottom end cover 5, all offer porose; Described copper pipe heat exchanger 2 arranges in the shape of a spiral, is positioned at described housing 1, and two ends are respectively from passing and be fixed the hole of described upper end cover 4 and bottom end cover 5; Described electrothermal tube 3 passes from the center of described copper pipe heat exchanger 2, and with the contactless setting of described copper pipe heat exchanger 2, its electrode 31 is drawn by an end of housing 1.
As shown in Figure 1, in the utility model embodiment, the refrigerant heater of air-conditioner outdoor unit comprises a columned housing 1 be arranged in the heat pump air conditioner off-premises station, and these housing 1 two ends are respectively arranged with upper end cover 4 and bottom end cover 5.On upper end cover 4 and bottom end cover 5, all offer the fairlead (not shown) of spirality copper pipe heat exchanger 2.In the utility model embodiment, upper end cover 4 and bottom end cover 5 can be respectively and the two ends welded seal of housing 1, concrete, and upper end cover 4 and bottom end cover 5 can be all and the inwall welded seal of housing 1, the outer wall welded seal of the shell 32 of the inwall of bottom end cover 5 and electrothermal tube 3.In other embodiments, upper end cover 4 and bottom end cover 5 also can be by helicitic texture and housing 1 sealings.The present embodiment is connected upper end cover 4 and bottom end cover 5 with the sealed at both ends of housing 1, thereby is in sealing state in guarantee housing 1.
In the refrigerant heater of the utility model air-conditioner outdoor unit, copper pipe heat exchanger 2 and the contactless setting of electrothermal tube 3, electrothermal tube 3 adopts the mode of indirect to heat the refrigerant in copper pipe heat exchanger 2, avoid electrothermal tube 3 surface temperatures too high on the rotten impact of refrigerant generation, promoted the dependability of air-conditioner.In addition, in the utility model refrigerant heater, accommodate copper pipe heat exchanger 2 and electrothermal tube 3 by housing 1, make the overall volume of refrigerant heater compacter.Further, sealed at both ends upper end cover 4, the bottom end cover 5 of being connected with of the housing 1 of refrigerant heater, improved the sealing property of refrigerant heater, guaranteed reliability of operation.
Please refer to Fig. 2, in the utility model embodiment, the stage casing of copper pipe heat exchanger 2 arranges in the shape of a spiral, and 21He lower end 22, upper end is linearly.Upper end 21 is from the fairlead of upper end cover 4, passing, and with this fairlead sealing; Lower end 22 is from the fairlead of bottom end cover 5, passing, and with this fairlead sealing.Concrete, in the present embodiment, 21He lower end, upper end 22 respectively with the fairlead welded seal of upper end cover 4 and bottom end cover 5, also can seal by the mode of sealing.
Please refer to Fig. 1, in the utility model embodiment, in housing 1, also be provided with electrothermal tube 3, this electrothermal tube 3 passes from the center of copper pipe heat exchanger 2, and its electrode 31 is drawn by the lower end of housing 1.In the present embodiment, electrothermal tube 3 peripheries are copper pipe heat exchangers 2.Copper pipe heat exchanger 2 is around electrothermal tube 3, and leaves the gap of 1 ~ 3mm, directly contact with electrothermal tube 3.In the utility model embodiment, due to electrothermal tube 3 and the contactless setting of copper pipe heat exchanger 2, that is to say, electrothermal tube 3 adopts the mode of indirect to heat the refrigerant in copper pipe heat exchanger 2, avoided electrothermal tube 3 surface temperatures too high on the rotten impact of refrigerant generation, used more reliable.
Further, on the basis of previous embodiment, in the utility model one embodiment, in housing 1, be filled with thermal conductance oil, copper pipe heat exchanger 2 is immersed in thermal conductance oil.In the present embodiment, can be filled with 80% ~ 90% thermal conductance oil in the refrigerant heating device shell 1 of air-conditioner outdoor unit, copper pipe heat exchanger 2 is immersed in thermal conductance oil, and electrothermal tube 3 passes through the heat hot Oil Guide, then by thermal conductance oil, heat is passed to the refrigerant in copper pipe heat exchanger 2.Due at the interior filling thermal conductance of housing 1 oil, further avoided the surface temperature of electrothermal tube 3 rise very fast and cause refrigerant rotten.
Please refer to Fig. 3, in the utility model embodiment, electrothermal tube 3 comprises shell 32 and is positioned at heating wire 33 and the heat conductive insulating medium 34 of shell 32.Heating wire 33 and heat conductive insulating medium 34 are positioned at the stage casing of shell 32 inner chambers, are provided with temperature limiter 35 and fuse-link 36 at the back segment of shell 32 inner chambers, and electrothermal tube 3 is carried out to temperature control and overtemperature prote.In the present embodiment, heating wire 33, heat conductive insulating medium 34, temperature limiter 35 and fuse-link 36 are set in shell 32, can avoid heating wire 33 devices such as grade to contact with external environment condition, thus protection heating wire 33 devices such as grade, the life-span of prolongation electrothermal tube 3.
In the present embodiment, shell 31 front ends of electrothermal tube 3 are provided with the magnesia fixed block 37 that electrode 31 is fixed and the end socket 9 that electrode 31 is protected, and the electrode 31 be connected with heating wire 33 passes magnesia fixed block 37 and end socket 9.The material of end socket 9 can be plastic cement.Owing to being provided with end socket 9, can avoid the external component such as electrode 31 and heat exchanger copper pipe 2 damage and conduct electricity, thus guard electrode 31.
For by electrode 31 and bottom end cover 5 insulation isolation, on the outer face of bottom end cover 5, be provided with insulation egative film 7.Concrete, the outer face laminating of insulation egative film 7 and described bottom end cover 5, these insulation egative film 7 middle parts offer the fairlead that the electrode 31 for electrothermal tube 3 passes, and the exit end face of electrode 31 pushes against the egative film 7 that insulate; On the fairlead outer face, be provided with cavity, after electrode 31 was drawn by fairlead, cavity was filled by silica gel sealing.In the present embodiment, adopt the lower end of housing 1 by welding and the dual-seal of sealed silicon gum cover, improved the sealing property of refrigerant heater, guaranteed reliability of operation.
In the utility model embodiment, the refrigerant heater of off-premises station also comprises that sealing is arranged on the pump nozzle 8 in upper end cover 4, and the oil filler point of this pump nozzle 8 can pass through bolt seal.In one embodiment, pump nozzle 8 and upper end cover 4 welded seals, the oil filler point of pump nozzle 8 passes through bolt seal after having filled with oil.
The utility model also provides a kind of air-conditioner, and this air-conditioner comprises off-premises station, and this off-premises station is provided with the refrigerant heater.In the utility model air-conditioner embodiment, the shape of refrigerant heater, structure and operation principle can comprise all technical characterictics of previous embodiment referring to Fig. 1 to Fig. 3 and its corresponding embodiment, therefore do not repeat.Owing to being provided with aforementioned refrigerant heater, the utility model air-conditioner can avoid the electrothermal tube surface temperature too high on the rotten impact of refrigerant generation, has promoted the dependability of air-conditioner.
These are only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present utility model.
Claims (10)
1. the refrigerant heater of an air-conditioner outdoor unit, is characterized in that, comprises housing, copper pipe heat exchanger, electrothermal tube, upper end cover and bottom end cover; Wherein, described upper end cover and bottom end cover are connected with the sealed at both ends of housing respectively, and on upper end cover and bottom end cover, all offer porose; Described copper pipe heat exchanger arranges in the shape of a spiral, is positioned at described housing, and two ends are respectively from passing the hole of described upper end cover and bottom end cover and being fixed; Described electrothermal tube passes from the center of described copper pipe heat exchanger, and with the contactless setting of described copper pipe heat exchanger, its electrode is drawn by an end of housing.
2. the refrigerant heater of air-conditioner outdoor unit according to claim 1, it is characterized in that: described electrothermal tube comprises shell, is positioned at heating wire and the heat conductive insulating medium of shell.
3. the refrigerant heater of air-conditioner outdoor unit according to claim 2, it is characterized in that: described heating wire and heat conductive insulating medium are positioned at the stage casing of shell inner chamber, and described electrothermal tube also comprises temperature limiter and the fuse-link that is positioned at shell inner chamber back segment.
4. the refrigerant heater of air-conditioner outdoor unit according to claim 3; it is characterized in that: the shell front end of described electrothermal tube is provided with the magnesia fixed block that electrode is fixed and the end socket that electrode is protected, and the electrode be connected with heating wire passes described magnesia fixed block and end socket.
5. according to the refrigerant heater of the described air-conditioner outdoor unit of any one in claim 1 to 4, it is characterized in that: in described housing, be filled with thermal conductance oil, described copper pipe heat exchanger is immersed in thermal conductance oil.
6. the refrigerant heater of air-conditioner outdoor unit according to claim 1 is characterized in that: the shell outer surface of described electrothermal tube and described copper pipe heat exchanger at a distance of 1 to 3mm.
7. the refrigerant heater of air-conditioner outdoor unit according to claim 1 is characterized in that: described upper end cover and bottom end cover all with the inwall welded seal of described housing, the shell outer wall welded seal of the inwall of described bottom end cover and electrothermal tube.
8. the refrigerant heater of air-conditioner outdoor unit according to claim 5, it is characterized in that: also comprise the insulation egative film with the laminating of described bottom end cover outer face, the middle part of this insulation egative film offers the fairlead that the electrode for electrothermal tube passes, and the exit end face of described electrode pushes against the insulation egative film; On this fairlead outer face, be provided with cavity, be filled with silica gel in described cavity.
9. the refrigerant heater of air-conditioner outdoor unit according to claim 5 is characterized in that: also comprise that sealing is arranged on the pump nozzle in described upper end cover, the oil filler point of this pump nozzle can pass through bolt seal.
10. an air-conditioner, comprise off-premises station, it is characterized in that, in described off-premises station, is provided with refrigerant heater as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202687743U CN203310177U (en) | 2013-05-16 | 2013-05-16 | Refrigerant heating device of air conditioning outdoor unit and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202687743U CN203310177U (en) | 2013-05-16 | 2013-05-16 | Refrigerant heating device of air conditioning outdoor unit and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203310177U true CN203310177U (en) | 2013-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202687743U Expired - Lifetime CN203310177U (en) | 2013-05-16 | 2013-05-16 | Refrigerant heating device of air conditioning outdoor unit and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203310177U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108124321A (en) * | 2018-01-04 | 2018-06-05 | 珠海格力电器股份有限公司 | Refrigerant electric heater protective case and air conditioner |
-
2013
- 2013-05-16 CN CN2013202687743U patent/CN203310177U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108124321A (en) * | 2018-01-04 | 2018-06-05 | 珠海格力电器股份有限公司 | Refrigerant electric heater protective case and air conditioner |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131127 |
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| CX01 | Expiry of patent term |