CN101738031A - Bidirectional throttling device of air conditioner - Google Patents
Bidirectional throttling device of air conditioner Download PDFInfo
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- CN101738031A CN101738031A CN200910200313A CN200910200313A CN101738031A CN 101738031 A CN101738031 A CN 101738031A CN 200910200313 A CN200910200313 A CN 200910200313A CN 200910200313 A CN200910200313 A CN 200910200313A CN 101738031 A CN101738031 A CN 101738031A
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- Prior art keywords
- valve plug
- air conditioner
- fixed
- throttling device
- valve seat
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- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/38—Expansion means; Dispositions thereof specially adapted for reversible cycles, e.g. bidirectional expansion restrictors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Lift Valve (AREA)
Abstract
A bidirectional throttling device of an air conditioner comprises a valve seat, a movable spool and a fixed spool which are arranged in a metal pipe, wherein the movable spool is arranged between the valve seat and the fixed spool in the metal pipe, one filtering net can be separately arranged on the valve seat and the outer end of the fixed spool according to a demand, one axial penetrating type capillary small passage is separately arranged in the fixed spool and the movable spool, the opposite two end surfaces of the fixed spool and the movable spool or one end surface thereof is provided with a small groove which passes through the capillary passage on the end surface, when in fitness, a radial gap or channel is arranged between the two end surfaces, and the valve seat and the fixed spool are generally fixed by spinning the metal pipe and can also be fixed in a welding manner. The beneficial effect of the invention is as follows: the air conditioner separately adopts different throttling channels during cooling process or heating process, thus satisfying the throttle rate during cooling process or heating process, satisfying the performance matching demand of the throttle pipe during cooling process or heating process, simplifying the system and saving raw materials.
Description
One, affiliated technical field
The present invention relates to a kind of refrigeration part, refer in particular to the throttle mechanism in a kind of heat pump type air conditioner system with bidirectional throttle effect.
Two, background technology
The throttle mechanism of small refrigeration systems such as present pump type heat domestic air conditioning generally all adopts capillary, capillary-compensated have low price, simple in structure, can two-way flow etc. advantage, but it can not regulate refrigerant flow in the refrigeration system with the variation of cooling condition, and refrigerating efficiency reduces along with the variation of cooling condition.And since summer refrigeration differ greatly with winter heating's operating mode, small refrigeration systems such as general pump type heat domestic air conditioning are different to the length requirement of throttle capillary tube, if in summer during cooling condition, throttle capillary tube length can satisfy performance matching requirements, when then heating in the winter time, throttle capillary tube length just can not satisfy performance matching requirements.For this reason, the pump type heat domestic air conditioning is generally connected one by an assisted capillary and the shunting means that check valve constitutes after the main capillary of refrigeration, to satisfy the requirement of winter in summer capillary pipe length during operating mode, in use, by the unidirectional control action of check valve, the realization air-conditioning system is in refrigeration or heat two different flows in the stream.The throttle part of this structure is formed complexity, volume is big, material cost is higher, energy loss is serious; More because of its pad again, be easy to generate serious quality accidents such as leakage during use.For this reason, people expect replacing with a kind of bidirectional throttle pipe the throttle capillary tube assembly of air-conditioning system.
Utility model patent ZL99245856.0 and ZL200620103167.1 disclose a kind of bidirectional throttle device respectively, mainly contain the device of a tubulose, be respectively arranged with two valve seats of oppositely settling in the body, the spool that respectively be mounted with movably in the valve seat, the centre has axial pore, the axial pore of two spools is small one and large one, be respectively applied for refrigeration and heat process, in the tubulose body of two spool outer ends, respectively be provided with a fluid filter screen in addition.Utility model patent ZL 200420090859.8 discloses a kind of air conditioner refrigerating throttle pipe, mainly form by a columniform motion block and two axial dimension pieces of deciding inequality, motion block can be free to slide in two cavitys of deciding between the piece, and the length that can change throttle capillary tube to satisfy respectively refrigeration and the performance matching requirements that heats.
Yet, as above technical scheme poor sealing, performance is not good, processing difficulties, cost is higher, compares and loses cost advantage with the capillary assembly that dams.
Three, summary of the invention
Technical problem to be solved by this invention is exactly the present situation at above-mentioned prior art, a kind of bidirectional throttle mechanism with the good and small-sized heat pump type air conditioner system that can reduce cost of simple in structure, restriction effect is provided, when freezing and heat conversion, can change restriction effect, reach the performance matching requirements of throttle pipe when regulating refrigeration and heating, improve the economy of air-conditioning refrigeration system.
The technical solution adopted in the present invention is: comprise the valve seat, movable valve plug and the fixed valve plug composition that are installed in the metal tube, be separated by suitably distance and be individually fixed in described inner wall of metal tube of this valve seat, fixed valve plug, movable valve plug places between the metal tube interior valve seat and fixed valve plug, and can reciprocatingly slide, can in the outer end of valve seat and fixed valve plug a screen pack be set respectively respectively as required.
Described metal tube section configuration can be multiple shapes such as circular, square, star, polygon, ellipse, and its equivalent diameter is
The section configuration of described fixed valve plug and movable valve plug can be multiple shapes such as circular, square, star, polygon or ellipse, and described fixed valve plug and movable valve plug differ and be decided to be iso-cross-section, and its length all is set to 4.0mm～60mm; Be provided with a capillary passage aisle that axially connects in described fixed valve plug and the movable valve plug, the capillary passage aisle can lay respectively at the axle center of its place spool, also can be without the axle center of its place spool, but general is good with the axle center by its place spool, the section of capillary passage aisle can be set to multiple shapes such as circle, square, star, polygon, ellipse according to different processing conditions, and the equivalent diameter of capillary passage aisle is set to
The equivalent diameter of the capillary passage aisle in described fixed valve plug and the movable valve plug can be inequality, and described fixed valve plug, movable valve plug and valve seat all can adopt copper, aluminium, plastics, steel or other metal material to make.
Described movable valve plug one or both ends all can be set to sphere, frustum or the conical surface; Described movable valve plug, its lateral surface can be the light face, also one or multi-channel axial sulculus can be set on lateral surface, and the section of sulculus can be arranged to multiple shapes such as circular arc, V-arrangement, U-shaped, square, polygon, ellipse according to different processing conditions.
Described fixed valve plug one or both ends all can be set to plane, the conical surface, frustum or sphere.
When matching, relative two end faces of described fixed valve plug and movable valve plug between two end faces, have radially slit or passage, for this reason, can one or multi-channel sulculus by capillary channel on this end face be set on relative two end faces of described fixed valve plug and movable valve plug or one of them end face, and the section of sulculus can be set to multiple shapes such as circular arc, V-arrangement, U-shaped, square, polygon, ellipse according to different processing conditions, and the width of sulculus is not less than the diameter of the capillary channel in its place spool; Also can on these two end faces or one of them end face, a plurality of projectioies be set; Also can between described fixed valve plug two end faces relative, one or more limited posts be set with movable valve plug, the moving axial capillary passage aisle that can not shelter from the spool of restriction, limited post also can be fixed on relative two end faces of described fixed valve plug and movable valve plug or on one of them end face.
The directionality of assembling is avoided in assembling for convenience, and described movable valve plug all can be arranged to the identical version of two ends symmetry with fixed valve plug.
Cooperate with described metal tube spinning for convenience, described valve seat and fixed valve plug periphery all can be established one or multi-channel annular groove, and the section of annular groove can be set to V-arrangement, U-shaped, circular arc, square or rectangle, can choose according to different processing conditions.
Described valve seat can be arranged to loop configuration or short tube, also can have chamfering in the sphere that cooperates with movable valve plug or the conical surface; For simplified structure, reduce cost, described valve seat also can be formed by the pipe internal projecting ring that metal tube spinning forms.
Described valve seat and fixed valve plug are fixed on the mode in the metal tube: can fix by the spinning metal tube, also can fix by Type of Welding.
The axial dimension of described screen pack can be set to 0.5mm～30mm.
The invention has the beneficial effects as follows: can adopt different throttling passages in refrigeration respectively when heating, can satisfy refrigeration respectively and the throttle rate when heating, the performance matching requirements of throttle pipe when satisfying refrigeration and heating, and simplification system, saving raw material.
Four, description of drawings
Accompanying drawing 1 is the section of structure of one of them embodiment of the present invention, and accompanying drawing 2～6 is respectively the modular construction schematic diagram of accompanying drawing 1:
Accompanying drawing 2 is the schematic cross-section of fixed valve plug in the accompanying drawing 1 (5);
Accompanying drawing 3 is looked schematic diagram for the left side of fixed valve plug (5) in the accompanying drawing 1;
Accompanying drawing 5 is looked schematic diagram for the left side of movable valve plug (4) in the accompanying drawing 1;
Accompanying drawing 6 is the schematic cross-section of valve seat in the accompanying drawing 1 (3).
.1-metal tube, 2-screen pack, 3-valve seat, 4-movable valve plug, 5-fixed valve plug, 6-screen pack in the accompanying drawing 1.
The periphery annular groove of the periphery annular groove of .7-fixed valve plug (5), 8-fixed valve plug (5) in the accompanying drawing 2.
Cross recess on axial passage aisle in the accompanying drawing 3 in the .9-fixed valve plug (5), 10-fixed valve plug (5) end face.
Axial passage aisle in the accompanying drawing 5 in the .11-movable valve plug (4).
The annular groove of 12-valve seat (3) periphery in the accompanying drawing 6.
Five, the specific embodiment
Below in conjunction with the embodiment shown in the accompanying drawing 1 the present invention is described in further detail.
This embodiment is made up of metal tube (1), screen pack (2), valve seat (3), movable valve plug (4), fixed valve plug (5), screen pack (6).
Its version: screen pack (2), valve seat (3), movable valve plug (4), fixed valve plug (5), screen pack (6) place in the metal tube (1) in order successively, valve seat (3) and fixed valve plug (5) separate suitable distance and are oppositely arranged, and be separately fixed at metal tube (1) inwall, movable valve plug (4) places between valve seat (3) and the fixed valve plug (5), and can in metal tube (1), reciprocatingly slide, screen pack (2), (6) place in the pipeline at throttle pipe two respectively and are fixed on metal tube (1) inwall.
Can one or multi-channel annular groove be set at valve seat (3) and fixed valve plug (5) outer surface, valve seat (3) and fixed valve plug (5) can fix by spinning metal tube (1), also can adopt other fixed form.Screen pack (2), (6) can contact with fixed valve plug (5) with valve seat (3) respectively and fix, and also can spaced apartly fix.
Flow to from an end of metal tube (1) when cold-producing medium like this, behind filter screen (2), movable valve plug (4) slides to fixed valve plug (5) under cold-producing medium promotes, cold-producing medium is earlier through the passage between movable valve plug (4) and periphery and metal tube (1) inwall, then, enter the axial passage aisle (9) in the fixed valve plug (5) behind the cross recess (10) on fixed valve plug (5) end face, pass through screen pack (6) again after, flow out throttle pipe; Otherwise cold-producing medium is process filter screen (6) earlier, and by behind the axial passage aisle (9) in the fixed valve plug (5), movable valve plug (4) slides to valve seat (3) under promoting, sealing between movable valve plug (4) and the valve seat (3), and cold-producing medium is through passage aisle in the movable valve plug (4), flow through behind the screen pack (2), flow out throttle pipe; The restriction effect of cold-producing medium when both direction flows is just inequality like this, thereby can satisfy the throttle rate of freezing and being mated when heating respectively.
Claims (13)
1. bidirectional throttling device of air conditioner, the valve seat, movable valve plug and the fixed valve plug that comprise metal tube and be installed in the metal tube are formed, be separated by suitably distance and be individually fixed in described inner wall of metal tube of this valve seat and fixed valve plug, movable valve plug places between the metal tube interior valve seat and fixed valve plug, and can reciprocatingly slide, can in the outer end of valve seat and fixed valve plug a screen pack be set respectively respectively as required; It is characterized in that: be provided with a capillary passage aisle that axially connects in described fixed valve plug and the movable valve plug; When matching, two end faces that described fixed valve plug and movable valve plug are relative between two end faces, have radially slit or passage.
2. according to the described bidirectional throttling device of air conditioner of claim 1, it is characterized in that: described metal tube section configuration can be circular, square, star, polygon or ellipse.
3. according to the described bidirectional throttling device of air conditioner of claim 1, it is characterized in that: described fixed valve plug, movable valve plug and valve seat all can adopt copper, aluminium, plastics, steel or other metal material to make.
4. according to claim 1 and 3 described bidirectional throttling device of air conditioner, it is characterized in that: the section configuration of described fixed valve plug and movable valve plug can be circular, square, star, polygon or ellipse, and described fixed valve plug and movable valve plug differ and be decided to be iso-cross-section.
5. according to the described bidirectional throttling device of air conditioner of claim 1, it is characterized in that: the capillary passage aisle in described fixed valve plug and the movable valve plug can lay respectively at the axle center of its place spool, also can be without the axle center of its place spool, the section of capillary passage aisle all can be set to circle, square, star, polygon or ellipse according to different processing conditions, the equivalent diameter of the capillary passage aisle in described fixed valve plug and the movable valve plug can be inequality, and its equivalent diameter all is set to
6. according to the described bidirectional throttling device of air conditioner of claim 1, it is characterized in that: described movable valve plug one or both ends all can be set to sphere, frustum or the conical surface, and described fixed valve plug one or both ends all can be set to plane, the conical surface, frustum face or sphere.
7. according to the described bidirectional throttling device of air conditioner of claim 1, it is characterized in that: described movable valve plug lateral surface can be the light face, also one or multi-channel axial sulculus can be set on lateral surface, and the section of sulculus can be arranged to circular arc, V-arrangement, U-shaped, square, polygon or ellipse according to different processing conditions.
8. according to the described bidirectional throttling device of air conditioner of claim 1, it is characterized in that: one or multi-channel sulculus by capillary channel on this end face can be set on relative two end faces of described fixed valve plug and movable valve plug or one of them end face, and the section of sulculus can be set to multiple shapes such as V-arrangement, U-shaped, circular arc, square, polygon, ellipse according to different processing conditions, and the width of sulculus is not less than the diameter of the capillary channel in its place spool; Also can on these two end faces or one of them end face, a plurality of projectioies be set; Also can between described fixed valve plug two end faces relative, one or more limited posts be set with movable valve plug, the moving axial capillary passage aisle that can not shelter from the spool of restriction, limited post also can be fixed on relative two end faces of described fixed valve plug and movable valve plug or on one of them end face.
9. according to the described bidirectional throttling device of air conditioner of claim 1, it is characterized in that: cooperate with described metal tube spinning for convenience, described valve seat and fixed valve plug periphery all can be established one or multi-channel annular groove, and the section of annular groove can be set to V-arrangement, U-shaped, circular arc, square or rectangle.
10. according to the described bidirectional throttling device of air conditioner of claim 1, it is characterized in that: described valve seat can be arranged to short tube or loop configuration, also can have chamfering in the sphere that cooperates with movable valve plug or the conical surface; Described valve seat also can be formed by the pipe internal projecting ring that metal tube spinning forms.
11. according to claim 1 and 9 described bidirectional throttling device of air conditioner, it is characterized in that: described valve seat and fixed valve plug are fixed on the mode in the metal tube: can fix by the spinning metal tube, also can fix by Type of Welding.
12., it is characterized in that according to claim 1 and 8 described bidirectional throttling device of air conditioner: assembling for convenience, avoid the directionality of assembling, described movable valve plug all can be arranged to the identical version of two ends symmetry with fixed valve plug.
13., it is characterized in that: can in the outer end of valve seat and fixed valve plug a screen pack be set respectively respectively as required according to the described bidirectional throttling device of air conditioner of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910200313A CN101738031A (en) | 2009-12-11 | 2009-12-11 | Bidirectional throttling device of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910200313A CN101738031A (en) | 2009-12-11 | 2009-12-11 | Bidirectional throttling device of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101738031A true CN101738031A (en) | 2010-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910200313A Pending CN101738031A (en) | 2009-12-11 | 2009-12-11 | Bidirectional throttling device of air conditioner |
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| Country | Link |
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| CN (1) | CN101738031A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915805A (en) * | 2021-06-21 | 2022-01-11 | 中南大学 | Bidirectional throttle pipe steam-mixing super-cavitation jet noise suppression device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5706670A (en) * | 1996-11-25 | 1998-01-13 | Carrier Corporation | Bidirectional meterd flow control device |
| US5715862A (en) * | 1996-11-25 | 1998-02-10 | Carrier Corporation | Bidirectional flow control device |
| CN101231048A (en) * | 2008-02-20 | 2008-07-30 | 宁波能优制冷科技有限公司 | Household air conditioner flow regulation pipe |
| CN101315238A (en) * | 2008-06-26 | 2008-12-03 | 宁波能优制冷科技有限公司 | Household air conditioner throttle pipe |
| CN201203310Y (en) * | 2007-11-08 | 2009-03-04 | 吴俊云 | Heat pump type throttle pipe for air conditioner |
| CN201265986Y (en) * | 2008-07-23 | 2009-07-01 | 金仁召 | Household air conditioner throttle pipe |
-
2009
- 2009-12-11 CN CN200910200313A patent/CN101738031A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5706670A (en) * | 1996-11-25 | 1998-01-13 | Carrier Corporation | Bidirectional meterd flow control device |
| US5715862A (en) * | 1996-11-25 | 1998-02-10 | Carrier Corporation | Bidirectional flow control device |
| CN201203310Y (en) * | 2007-11-08 | 2009-03-04 | 吴俊云 | Heat pump type throttle pipe for air conditioner |
| CN101231048A (en) * | 2008-02-20 | 2008-07-30 | 宁波能优制冷科技有限公司 | Household air conditioner flow regulation pipe |
| CN101315238A (en) * | 2008-06-26 | 2008-12-03 | 宁波能优制冷科技有限公司 | Household air conditioner throttle pipe |
| CN201265986Y (en) * | 2008-07-23 | 2009-07-01 | 金仁召 | Household air conditioner throttle pipe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915805A (en) * | 2021-06-21 | 2022-01-11 | 中南大学 | Bidirectional throttle pipe steam-mixing super-cavitation jet noise suppression device |
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Application publication date: 20100616 |