CN206113437U - Branch liquid orifice union and air conditioning system of air conditioner - Google Patents
Branch liquid orifice union and air conditioning system of air conditioner Download PDFInfo
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- CN206113437U CN206113437U CN201621051430.7U CN201621051430U CN206113437U CN 206113437 U CN206113437 U CN 206113437U CN 201621051430 U CN201621051430 U CN 201621051430U CN 206113437 U CN206113437 U CN 206113437U
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- liquid
- point
- orifice union
- throttling element
- heat exchanger
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Abstract
The utility model discloses a branch liquid orifice union and air conditioning system of air conditioner divides the liquid orifice union to include knockout and a plurality of throttling element, and the knockout has inlet and a plurality of liquid outlet, and throttling element is linked together with the liquid outlet one -to -one. The utility model discloses the split type branch liquid orifice union that adopts, drawbacks such as structure that the branch liquid flow controller of having overcome original integral type exists is complicated, the maintenance is inconvenient to can realize carrying out functions such as branch liquid and throttle to the refrigerant that gets into the evaporimeter, improve the whole performance of air conditioner.
Description
Technical field
The utility model is related to air-conditioning technical field, point liquid orifice union and the air-conditioning system of more particularly to a kind of air-conditioning
System.
Background technology
At present, in the evaporimeter diversion mechanism of air-conditioning system is related to, it is common that using brass knockout as refrigerant
Liquid distributing device；When liquid refrigerants is after the throttling arrangement of off-premises station, it is changed into the liquid of low-temp low-pressure, is entering evaporator evaporation
Before, be introduced into knockout, as shown in figure 1, refrigerant in knockout caliber from the coarse to fine, refrigerant flow rate improve, flow at high speed
Refrigerant can impact on thimble, so as to by thimble segmentation be flowed into it is each outlet branch road in.For in theory, knockout should will be cold
Matchmaker is uniformly distributed in the middle of each branch road, and then realizes that the cold medium flux of evaporimeter each branch road is just as, and makes
Obtain evaporator heat exchange amount and reach optimal state.But the knockout of this form is similar to, in actual use, due to
The shwoot steam that part refrigerant is produced in throttling moment is had when flowing through off-premises station throttling arrangement, hence into the incomplete of knockout
Portion is liquid, and actually enter knockout is that the difference of the refrigerant of two kinds of states of matters of gas-liquid, gas and liquid physical property causes knockout
Point fluidity can be remarkably decreased, the coolant quantity flowed out from each way outlet is unequal, and the branch road quantity that knockout is separated is more, point
Substantially, along with production and processing control is difficult, point liquid of evaporimeter is difficult to accomplish uniform the pact of liquid hydraulic performance decline, the energy of evaporimeter
Power is played less than maximum.
Therefore, knockout design in part of the prior art is to be internally provided with restrictor ring or throttling in its outlet branch road
The structures such as hole, to realize first dividing the purpose of liquid, rear throttling, but the internal structure of the knockout of this design is complicated, is not easy to
Maintenance.
Utility model content
Technical problem to be solved in the utility model is：A kind of point liquid orifice union of air-conditioning is provided, realize it is original
On the premise of dividing liquid throttling function, simplify the construction of knockout, reduce the complexity of air conditioner structure.
The utility model solves above-mentioned technical problem：
The utility model provides a kind of point liquid orifice union of air-conditioning, including knockout and multiple throttling elements, knockout
With inlet and multiple liquid outlets, throttling element is corresponded with liquid outlet and is connected.
Further, throttling element includes contraction flow region and enlarged portion, wherein, contraction flow region has the liquid flow that path gradually tapers up
Section, enlarged portion has the liquid flow section that path is gradually expanded, and contraction flow region is connected with enlarged portion.
Further, the joining place of contraction flow region and enlarged portion is provided with restrictor ring.
Further, contraction flow region and enlarged portion are symmetrical arranged relative to restrictor ring.
Further, throttling element is tubular structure, and throttling element has entrance point and the port of export, wherein, entrance point is arranged at
Near one end of contraction flow region, the port of export is disposed in proximity to one end of enlarged portion.
Further, it is formed with ledge structure between the body and entrance point and the port of export of throttling element.
The utility model additionally provides a kind of air-conditioning system, including indoor set and off-premises station, and first is provided with indoor set
Heat exchanger, is provided with the second heat exchanger in off-premises station, First Heat Exchanger and the second heat exchanger are connected by refrigerant pipeline, also included
Above-mentioned point liquid orifice union, a point liquid orifice union is arranged on the refrigerant pipeline between First Heat Exchanger and the second heat exchanger.
Further, throttling element is disposed in proximity to the side of First Heat Exchanger, and knockout is disposed in proximity to the second heat exchanger
Side.
Further, refrigerant pipeline is arranged with throttling element socket.
The utility model is had an advantageous effect in that using above-mentioned technical proposal：
The utility model adopts split type point liquid orifice union, overcomes point liquid flow controller institute of original integral type
The drawbacks such as complex structure, the inconvenient maintenance of presence, and can realize carrying out the refrigerant into evaporimeter the work(such as point liquid and throttling
Can, improve the overall performance of air-conditioning.
Description of the drawings
Fig. 1 is a kind of structural representation of existing knockout；
Fig. 2 is the overall structure diagram of the utility model point liquid orifice union；
Fig. 3 is the structural representation of throttling element of the present utility model；
Wherein, 1, knockout；101st, inlet；102nd, liquid outlet；
2nd, throttling element；201st, contraction flow region；202nd, enlarged portion；203rd, entrance point；204th, the port of export；
3rd, restrictor ring；4th, refrigerant pipeline.
Specific embodiment
Clearly to illustrate the scheme in the utility model, preferred embodiment is given below and accompanying drawing is combined specifically
It is bright.It is that the following description is substantially merely exemplary and be not intended to limit the disclosure application or purposes.It should be understood that
, in whole accompanying drawings, corresponding reference represents identical or corresponding part and feature.
As shown in Fig. 2 the utility model provides a kind of point liquid orifice union of air-conditioning, set successively including flowing to along refrigerant
The knockout 1 put and multiple throttling elements 2, knockout 1 is used to liquid refrigerants is branched in multiple outlet branch roads, to flow into correspondence
Indoor machine evaporation pipeline exchanged heat, and throttling element 2 is used to throttle the refrigerant in the branch road after point liquid, so as to will
The saturation liquid refrigerants of normal temperature high voltage becomes the liquid refrigerants of low-temp low-pressure, because throttling process is point liquid operation in knockout
Afterwards, therefore the performance of knockout can't be affected.In point liquid orifice union, knockout 1 have inlet 101 and it is multiple go out liquid
Mouth 102, throttling element 2 is corresponded with liquid outlet 102 and is connected, specifically, the corresponding liquid outlet 102 of multiple throttling elements 2
It is connected in series by refrigerant pipeline, the setting quantity of throttling element 2 determines according to the type and its liquid outlet 102 of knockout 1.
As shown in figure 3, throttling element 2 includes contraction flow region 201 and enlarged portion 202, wherein, contraction flow region 201 has path gradually
The liquid flow section of contraction, enlarged portion 202 has the liquid flow section that path is gradually expanded, contraction flow region 201 and the phase of enlarged portion 202
Connection；Specifically, the section of contraction flow region 201 and enlarged portion 202 is tapered, flow through the refrigerant of throttling element 2 contraction flow region 201 due to
Flowing path section area reduces, and the flow velocity of refrigerant is improved, and its pressure also declines therewith, and then refrigerant flows to enlarged portion 202, gradually
Recover to former cross-sectional flow area.
In one embodiment of the present utility model, the contraction flow region 201 of throttling element 2 and the joining place of enlarged portion 202 are arranged
There is restrictor ring 3, joining place is the area of section minimum position of the internal flow path of throttling element 2, the center of circle of restrictor ring 3 and the section of tubulose
The dead in line of stream part 2.
In order to improve the stability of refrigerant flowing in throttling element 2, contraction flow region 201 and enlarged portion 202 are relative to restrictor ring 3
It is symmetrical arranged, the approximate hourglass shape of axial cross section shape of throttling element 2, due to the knockout and throttling element of component of the present utility model
For split-type structural, therefore throttling element 2 is designed as into the internal structure of symmetrical expression, operating personnel are when mounted without the need for distinguishing throttling
The import and export of the 2 of part, oppositely arranged also to play throttling action, when oppositely arranged, former enlarged portion 202 can play contraction
The effect in portion 201, in the same manner, contraction flow region 201 plays a part of enlarged portion 202.
In one embodiment of the present utility model, the two ends of the throttling element 2 of tubular structure are respectively entrance point 203 and outlet
End 204, wherein, entrance point 203 is disposed in proximity to one end of contraction flow region 201, and the port of export 204 is disposed in proximity to enlarged portion 202
One end.
For the ease of the connection of throttling element 2 and refrigerant pipeline 4, body and entrance point 203 and the port of export 204 of throttling element 2
Between be formed with the caliber of the caliber of ledge structure, entrance point 203 and the port of export 204 less than body.
The utility model additionally provides a kind of air-conditioning system, and the system includes conventional indoor set and off-premises station, wherein, room
First Heat Exchanger is provided with interior machine, the second heat exchanger is provided with off-premises station, First Heat Exchanger and the second heat exchanger are by cold
Matchmaker's pipeline 4 connects.
The air-conditioning system also includes point liquid orifice union in above-described embodiment, and a point liquid orifice union is arranged at the first heat exchange
On refrigerant pipeline 4 between device and the second heat exchanger, optionally, a point liquid orifice union is arranged in the indoor set of air-conditioning, can be with
Shorten the length of pipe that the refrigerant after point liquid throttling flows to First Heat Exchanger, so as to reduce the cold consumption of refrigerant.
Specifically, by taking the air-conditioning for running refrigeration mode as an example, along the flow direction of coolant media, throttling element 2 is arranged at and leans on
The side of nearly First Heat Exchanger, knockout 1 is disposed in proximity to the side of the second heat exchanger, the normal temperature high voltage flowed out from off-premises station
Refrigerant is flowed through successively after knockout 1 and throttling element 2, is exchanged heat with indoor environment into First Heat Exchanger.
Preferably, refrigerant pipeline of the present utility model 4 is arranged with the socket of throttling element 2, and refrigerant pipeline 4 is set in throttling element 2
Entrance point 203 and the outside of the port of export 204, fix so as to coordinate with throttling element 2 at the ledge structure of throttling element 2.
Other parts and structure of air-conditioning system are not repeated due to being not related to innovative point of the present utility model.
In sum, above said content is only embodiment of the present utility model, is merely to illustrate original of the present utility model
Reason, is not intended to limit protection domain of the present utility model.It is all it is of the present utility model spirit and principle within, that what is made is any
Modification, equivalent, improvement etc., should be included within protection domain of the present utility model.
Claims (9)
1. point liquid orifice union of a kind of air-conditioning, it is characterised in that including knockout (1) and multiple throttling elements (2), described point of liquid
Utensil has inlet (101) and multiple liquid outlets (102), and the throttling element (2) corresponds with the liquid outlet (102) and is connected
It is logical.
2. according to claim 1 point of liquid orifice union, it is characterised in that the throttling element (2) is including contraction flow region (201)
With enlarged portion (202), wherein, the liquid flow section that the contraction flow region (201) gradually tapers up with path, the enlarged portion
(202) the liquid flow section gradually expanded with path, the contraction flow region (201) is connected with the enlarged portion (202).
3. according to claim 2 point of liquid orifice union, it is characterised in that the contraction flow region (201) and enlarged portion (202)
Joining place be provided with restrictor ring (3).
4. according to claim 3 point of liquid orifice union, it is characterised in that the contraction flow region (201) and the enlarged portion
(202) it is symmetrical arranged relative to the restrictor ring (3).
5. according to claim 2 point of liquid orifice union, it is characterised in that the throttling element (2) is tubular structure, described
Throttling element (2) with entrance point (203) and the port of export (204), wherein, the entrance point (203) is disposed in proximity to the contraction
The one end in portion (201), the port of export (204) is disposed in proximity to one end of the enlarged portion (202).
6. according to claim 5 point of liquid orifice union, it is characterised in that the body of the throttling element (2) with it is described enter
Ledge structure is formed between mouth end (203) and the port of export (204).
7. a kind of air-conditioning system, including indoor set and off-premises station, are provided with First Heat Exchanger, the off-premises station in the indoor set
The second heat exchanger is inside provided with, the First Heat Exchanger and second heat exchanger are connected by refrigerant pipeline (4), and its feature exists
In, also including point liquid orifice union as described in any one of claim 1-6, described point of liquid orifice union is arranged at described the
On the refrigerant pipeline (4) between one heat exchanger and second heat exchanger.
8. air-conditioning system according to claim 7, it is characterised in that the throttling element (2) is disposed in proximity to described first
The side of heat exchanger, the knockout (1) is disposed in proximity to the side of second heat exchanger.
9. air-conditioning system according to claim 7, it is characterised in that the refrigerant pipeline (4) and the throttling element (2) cover
Connect setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621051430.7U CN206113437U (en) | 2016-09-12 | 2016-09-12 | Branch liquid orifice union and air conditioning system of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621051430.7U CN206113437U (en) | 2016-09-12 | 2016-09-12 | Branch liquid orifice union and air conditioning system of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206113437U true CN206113437U (en) | 2017-04-19 |
Family
ID=58519750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621051430.7U Active CN206113437U (en) | 2016-09-12 | 2016-09-12 | Branch liquid orifice union and air conditioning system of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206113437U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114484911A (en) * | 2022-02-24 | 2022-05-13 | 江苏拓米洛环境试验设备有限公司 | Refrigerating system and double-layer one-to-two high-low temperature test box comprising same |
-
2016
- 2016-09-12 CN CN201621051430.7U patent/CN206113437U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114484911A (en) * | 2022-02-24 | 2022-05-13 | 江苏拓米洛环境试验设备有限公司 | Refrigerating system and double-layer one-to-two high-low temperature test box comprising same |
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