CN203274385U - Refrigerant heater - Google Patents
Refrigerant heater Download PDFInfo
- Publication number
- CN203274385U CN203274385U CN 201220711451 CN201220711451U CN203274385U CN 203274385 U CN203274385 U CN 203274385U CN 201220711451 CN201220711451 CN 201220711451 CN 201220711451 U CN201220711451 U CN 201220711451U CN 203274385 U CN203274385 U CN 203274385U
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- heater
- refrigerant
- inner sleeve
- shapes
- heat exchange
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- Expired - Fee Related
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- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The utility model discloses a refrigerant heater, which comprises a heater outer shell (2), a heater inner sleeve (4) arranged in the heater shell (2), an electric heater (6) arranged in the heater inner sleeve (4), and a refrigerant inlet (5) and a refrigerant outlet (5) formed on the heater shell, wherein baffle plates supports (3) are distributed on the outer surface of the heater inner sleeve (4) at intervals; and the inner surface of the heater outer shell (2) and the outer surface of the heater inner sleeve (4) are in convex shapes; and the convex shapes refer to threaded shapes, spiral shapes, finned shapes or similar shapes, and are used for increasing heat exchange area of refrigerant heater and stirring a refrigerant. According to the refrigerant heater, the problems of the conventional refrigerant heating device are well solved, the heat exchange area is effectively increased under the condition of not increasing the size of the refrigerant heater, the heat exchange efficiency is increased, energy consumption is saved, a part of liquid refrigerant is prevented from flowing out of a heat exchange channel without evaporating, and the running reliability of an air source pump water heater and a heat pump air conditioner in a low temperature environment is ensured.
Description
Technical field
The utility model belongs to the heater technical field, and what relate generally to is a kind of refrigerant heater, is applicable to all air-source heat pump hot waters and heat pump air conditioner.
Background technology
Air-source heat pump hot water and heat pump air conditioner move under low temperature environment and heat, when the evaporator surface temperature during lower than the air dew point temperature and less than 0 ℃, evaporator surface will frosting, thereby affects heating effect and the operation of air-source heat pump hot water and heat pump air conditioner.Due within the limited time, only depend on the shortage of heat of refrigeration system self output so that the frost on evaporator fin is melted away, provide the defrosting heat therefore need set up isolated plant.At present, generally adopt refrigerant electric heating device to carry out defrosting in industry, after being absorbed by evaporimeter, the heat energy that is about to electric energy conversion and is refrigerant realizes rapid frost melting, its version is generally that electric heater is placed in inner tube, inner tube is placed in outer tube, refrigerant flows in the annulus of outer wall of inner tube and outer tube wall formation, and refrigerant is vaporized after absorbing electric energy thus, and the defrosting heat is provided.The problem that this version exists mainly contains: inner and outer tubes adopt light pipe more, and heat exchange efficiency is low, thereby can only increase heat exchange area raising heat exchange efficiency by increasing inner and outer pipes length or diameter, will cause that thus device volume increases, and production cost increases; For suitably reducing device volume and production cost, electric heater adopts one group of electrically heated rod, power is non-adjustable, can't carry out the electrical heating energy adjustment under some specific operation, thereby make compressor just occur overlond running in the short time at the utmost point and protect fault in generator immediately, and then interrupt the defrosting program, the frost of tying on evaporimeter is not just all melted away, with affect unit next step normal, efficiently move; Refrigerant exit is arranged on the outer tunnel end cross section, easily causes the operative liquid refrigerant just to flow out heat exchanger channels without evaporation, and the effective heat exchange area of device is not fully used, thereby makes defrosting efficient step-down.
Summary of the invention
The purpose of this utility model is to propose a kind of refrigerant heater.Better solved the problem of existing refrigerant electric heating device, in the situation that do not increase refrigerant heater volume, effectively increased heat exchange area, improved heat exchange efficiency, energy efficient, prevented that the operative liquid refrigerant from just flowing out heat exchanger channels without evaporation, guaranteed air-source heat pump hot water and heat pump air conditioner reliability of operation under low temperature environment.
The utility model realizes that the technical scheme that above-mentioned purpose adopts is: a kind of refrigerant heater comprises heater housing, is placed in the interior heater inner sleeve of heater housing, is placed in the electric heater in the heater inner sleeve, be provided with refrigerant entrance and refrigerant exit on heater housing, described heater housing inner surface and heater lining the outer surface of all are the convex structure.
The convex structure of the utility model heater housing inner surface and heater lining the outer surface of is shape of threads, helical form, fin or similar structures.
Refrigerant entrance described in the utility model and refrigerant exit are arranged on heater housing outer surface top.
Electric heater described in the utility model is comprised of independent many groups electrically heated rod of controlling.
The utility model is due to the inner surface of heater housing and the outer surface of heater inner sleeve are designed to convex shape, effectively increased heat exchange area, reduced the volume of refrigerant heater, refrigerant flows in the annulus that two-sided convex shape forms, convex can play the effect of perturbing to refrigerant, thereby has greatly improved heat exchange efficiency; Because electric heater is comprised of the many groups of independent electrically heated rods of controlling, can start according to actual needs the electrically heated rod of varying number, realize that energy is adjustable; Refrigerant entrance and refrigerant exit all are arranged on heater housing outer surface top, have prevented that effectively the operative liquid refrigerant from just flowing out heat exchanger channels without evaporation, are more conducive to the refrigerant vaporization.Effectively promoted air-source heat pump hot water and heat pump air conditioner reliability of operation under low temperature environment.
Description of drawings
Fig. 1 is general assembly structural representation of the present utility model.
Fig. 2 be Fig. 1 A-A to generalized section.
Fig. 3 be Fig. 1 B-B to generalized section.
Fig. 4 be in Fig. 2 C to local enlarged diagram.
Fig. 5 be in Fig. 2 D to local enlarged diagram.
In figure: 1, refrigerant exit, 2, heater housing, 3, baffle plate supports, 4, the heater inner sleeve, 5, the refrigerant entrance, 6, electric heater, 7, the inner sleeve closure plate, 8, the shell closure plate.
The specific embodiment
By reference to the accompanying drawings, provide embodiment of the present utility model as follows:
as Fig. 1 in conjunction with shown in Figure 2: the described refrigerant heater of the present embodiment comprises heater housing 2, be placed in the heater inner sleeve 4 in heater housing 2, be placed in the electric heater 6 in heater inner sleeve 4, wherein be intervally distributed with baffle plate on heater inner sleeve 4 outer surfaces and support 3, baffle plate supports 3 and be uniform heater inner sleeve 4 outer surfaces that are welded on of angle in same cross section, baffle plate supports between 3 uniform different cross sections and maintains a certain distance, thereby effectively guaranteed the smoothness that refrigerant flows, the height of baffle plate support 3 is the poor of heater housing 2 inside radius and heater inner sleeve 4 outer radius, thereby guaranteed that heater inner sleeve 4 can be stabilized in heater housing 2 inner surfaces.Be provided with refrigerant entrance 5 and refrigerant exit 1 at heater housing 2 outer surface tops, can prevent that like this operative liquid refrigerant from just flowing out heat exchanger channels without evaporation.There are shell closure plate 8, heater inner sleeve 4 end portion encloses inner sleeve closure plate 7(to be arranged as shown in Figure 4 in heater housing 2 end portion encloses that are positioned at refrigerant exit 1 end).For increasing heat exchange area, improve heat exchange efficiency, heater housing 2 inner surfaces and heater inner sleeve 4 outer surfaces are designed to the convex structure.This convex structure is shape of threads, helical form, fin or similar structures.Electric heater 6 is comprised of many groups electrically heated rod, and each is organized electrically heated rod and independently controls, and like this, can start according to actual needs the electrically heated rod of varying number, realizes that energy is adjustable, more can adapt to variable parameter operation, guarantees defrosting program safety, reliability service.Electric heater 6 is arranged in heater inner sleeve 4, is positioned at electric heater 6 ends of refrigerant entrance 5 and heater housing 2 and heater inner sleeve 4 ends and is welded to connect (as shown in Figure 5).
the utility model refrigerant heater is in work, liquid refrigerants flow in the annular space of heater inner sleeve 4 outer surfaces and heater housing 2 inner surfaces formation from refrigerant entrance 5, start simultaneously electric heater 6, liquid refrigerants is discharged from refrigerant exit 1 with gas form after absorbing heat, be provided with temperature sensor on the horizontal pipeline of refrigerant exit 1, defrost control system can start as required according to the unlike signal of temperature sensor feedback the electrically heated rod of varying number, realize that energy is adjustable, guarantee defrost system safety, reliability service, after defrosting finishes, closing electric heater gets final product.
Claims (4)
1. refrigerant heater, comprise heater housing (2), be placed in heater inner sleeve (4) in heater housing (2), be placed in the electric heater (6) in heater inner sleeve (4) and be arranged on refrigerant entrance (5) and refrigerant exit (1) on heater housing, it is characterized in that: described heater housing (2) inner surface and heater inner sleeve (4) outer surface all are convex.
2. refrigerant heater according to claim 1, it is characterized in that: the convex structure of described heater housing (2) inner surface and heater inner sleeve (4) outer surface is shape of threads or helical form or fin structure.
3. refrigerant heater according to claim 1 is characterized in that: described refrigerant entrance (5) and refrigerant exit (1) are arranged on heater housing outer surface top.
4. refrigerant heater according to claim 1 is characterized in that: described electric heater (6) is comprised of the many groups of independent electrically heated rods of controlling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220711451 CN203274385U (en) | 2012-12-21 | 2012-12-21 | Refrigerant heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220711451 CN203274385U (en) | 2012-12-21 | 2012-12-21 | Refrigerant heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203274385U true CN203274385U (en) | 2013-11-06 |
Family
ID=49504775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220711451 Expired - Fee Related CN203274385U (en) | 2012-12-21 | 2012-12-21 | Refrigerant heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203274385U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017426A (en) * | 2012-12-21 | 2013-04-03 | 洛阳蓝海实业有限公司 | Refrigerant heater |
| CN107883556A (en) * | 2017-10-24 | 2018-04-06 | 珠海格力电器股份有限公司 | Heater and air conditioner |
-
2012
- 2012-12-21 CN CN 201220711451 patent/CN203274385U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017426A (en) * | 2012-12-21 | 2013-04-03 | 洛阳蓝海实业有限公司 | Refrigerant heater |
| CN107883556A (en) * | 2017-10-24 | 2018-04-06 | 珠海格力电器股份有限公司 | Heater and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20151221 |
|
| EXPY | Termination of patent right or utility model |