CN206648357U - Throttling arrangement and air-conditioning system - Google Patents
Throttling arrangement and air-conditioning system Download PDFInfo
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- CN206648357U CN206648357U CN201720310143.1U CN201720310143U CN206648357U CN 206648357 U CN206648357 U CN 206648357U CN 201720310143 U CN201720310143 U CN 201720310143U CN 206648357 U CN206648357 U CN 206648357U
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Abstract
Air-conditioner throttling field is the utility model is related to, more particularly to throttling arrangement R and air-conditioning system.The throttling arrangement sets high temperature matter inlet and cryogenic substance outlet；And throttling arrangement includes：Conduit and more than two throttling ducts, the bottom lock of conduit, the mouth of pipe and high temperature material inlet communication, the one end in all throttling ducts connect with conduit, the other end and cryogenic substance outlet；The throttling duct of distance high-temperature matter inlet setpoint distance is in unimpeded state；Sliding block is placed in conduit；The side surface of sliding block contacts connection with the inner wall sealing formula of conduit；It can be slided after sliding block stress in conduit, to open the connected entrance in other throttling ducts and conduit.The utility model promotes the sliding block in conduit when fluid temperature (F.T.) is high, pressure is high, and more throttling ducts can be opened by being slided after sliding block stress, so as to which fluid can realize throttling by the duct that more throttles, alleviates pressure, avoids frequent shutdown.
Description
Technical field
Air-conditioner throttling field is the utility model is related to, the air-conditioning system more particularly to throttling arrangement and comprising the throttling arrangement
System.
Background technology
It is very high in outdoor temperature using capillary-compensated or the air conditioner of throttling spool at present for determining frequency unit
In the case of, pressure rise can be caused, so that frequently protection is shut down, especially for the air conditioner of low-energy-efficiency cost declining, often adopted
With huge discharge compressor, two devices are all smaller, and this is more prone to cause hypertonia, so that frequent shutdown, this can not only influence
In the life-span of compressor, return user and bring bad brand image.And in high temperature be exactly demand refrigerating capacity it is more when
Wait, be but not being met, this also brings along the complaint of user.All it is according to specified work typically in performance matching process is carried out
Under condition, ability has been debugged, has kept throttling arrangement constant on this basis, then has carried out the test of worst hot case, which results in volume
The throttling arrangement under operating mode is determined under worst hot case, it is impossible to so that ability orientation is best.
Utility model content
(1) technical problems to be solved
The purpose of this utility model is to provide throttling arrangement and air-conditioning system, solves existing according to refrigerant temperature adaptability tune
The problem of saving throttle-flow.
(2) technical scheme
In order to solve the above-mentioned technical problem, the utility model provides a kind of throttling arrangement, its set high temperature matter inlet and
Cryogenic substance exports；And the throttling arrangement includes：Conduit and more than two throttling ducts, the bottom lock of the conduit,
The mouth of pipe and the high temperature material inlet communication, the one end in all throttling ducts connect with the conduit, the other end with it is described
Cryogenic substance outlet；Unimpeded state is in apart from the throttling duct of the high temperature matter inlet setpoint distance；
Sliding block is placed in the conduit；The side surface of the sliding block contacts connection with the inner wall sealing formula of the conduit；Institute
It can be slided after stating sliding block stress in the conduit, to open other described throttling ducts and the connected entrance of the conduit.
In certain embodiments, it is preferably, described throttling arrangement also includes：Housing, the inside of the housing by every
Plate is divided into the Part I and Part II mutually closed, and the conduit is arranged in the Part I, described second
The inside divided is cavity, and the other end in the throttling duct passes through the Part II and the cryogenic substance outlet.
In certain embodiments, it is preferably that the housing is into tubulose, the bore and/or low temperature thing of high temperature material entrance point
The bore of the matter port of export is less than or equal to the caliber of the housing central section.
In certain embodiments, it is preferably, described throttling arrangement also includes：Flexible restoring organ, the elastic reset
Structure is connected with the sliding block.
In certain embodiments, it is preferably, the flexible restoring organ includes spring, and one end of the spring, which is fixed on, leads
The bottom of pipe, the other end are fixed on sliding block.
In certain embodiments, preferably, on from the conduit mouth of pipe to the direction at catheter tube bottom, the aperture in the throttling duct
Increase successively.
In certain embodiments, it is preferably that all throttling ducts are on from the conduit mouth of pipe to the direction at catheter tube bottom
Storied placement, when the sliding block slides in the conduit, successively open or close throttling duct.
In certain embodiments, it is preferably that every layer of the throttling duct is uniformly distributed in circumferential.
The utility model additionally provides a kind of air-conditioning system, and it includes：Compressor, evaporator and condenser, three pass through
Pipeline communication is refrigerant circulation pipeline, sets described throttling to fill on the pipeline between the condenser and the evaporator
Put.
In certain embodiments, it is preferably, filter is also set up between the throttling arrangement and the condenser, in institute
State and the gas-liquid separator is set on the pipeline between evaporator and the compressor reducer.
(3) beneficial effect
Technical scheme provided by the utility model, more than two throttling ducts are provided with throttling arrangement, throttle duct
Connected with conduit, fluid flows into cryogenic substance from after conduit entrance, by the duct that throttles and exported.During being somebody's turn to do, work as fluid temperature (F.T.)
When height, pressure are high, the sliding block in conduit is promoted, more throttling ducts can be opened by being slided after sliding block stress, so that fluid can lead to
Cross more throttling ducts and realize throttling, alleviate pressure, avoid frequent shutdown.
Brief description of the drawings
Fig. 1 is the structural representation of throttling arrangement in the utility model one embodiment；
Fig. 2 is the explosive view of throttling arrangement in Fig. 1；
The structural representation of air-conditioning system in the utility model one embodiment of Fig. 3 positions.
Note：
1 compressor, 3 condensers, 4 outdoor fans, 5 filters, 6 throttling arrangements, 7 indoor fans, 8 evaporators, 9 gas-liquids point
From device, 10 high temperature matter inlets, 11 sliding blocks, 12 springs, 13 throttling ducts, 15 spring fixed seats, the outlet of 16 cryogenic substances.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Example is used to illustrate the utility model, but is not limited to the scope of the utility model.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals." first " " second " " the 3rd " " the 4th " does not represent any sequence relation, be only for
The differentiation that convenience description is carried out.For the ordinary skill in the art, it can understand that above-mentioned term exists with concrete condition
Concrete meaning in the utility model.At the time of " current " is when certain action is performed, occur multiple current in text, be at any time
Between pass in record in real time.
Due to current fixed frequency air conditioner, easily occurs the problem of frequency shuts down problem when refrigerant temperature is higher, the utility model is given
Go out throttling arrangement and the air-conditioning system comprising the throttling arrangement.
Product, method etc. will be described in detail by basic engineering, extension design and alternative design below.
A kind of throttling arrangement, as shown in Figure 1-2, it sets high temperature matter inlet 10 and cryogenic substance outlet 16；And throttle
Device includes：Conduit and more than two throttling ducts 13, the bottom lock of conduit, the mouth of pipe connect with high temperature matter inlet 10,
The one end in all throttling ducts 13 connects with conduit, and the other end connects with cryogenic substance outlet 16；Distance high-temperature matter inlet 10
The throttling duct 13 of setpoint distance is in unimpeded state；Sliding block 11 is placed in conduit；The side surface of sliding block 11 and the inwall of conduit
Sealed contact connection；It can be slided after the stress of sliding block 11 in conduit, to open other throttling ducts 13 and the connected entrance of conduit.
The throttling arrangement purpose is the refrigerant that HTHP refrigerant is changed into low-temp low-pressure by restriction effect.High temperature
Fluid (referred to herein as HTHP refrigerant) is from high temperature matter inlet 10, from the discharge of cryogenic substance outlet 16.
Referring herein to conduit comprise at least two effect, effect one, for guide HTHP refrigerant flow；Effect
Two, the sliding channel of sliding block 11 is formed, guiding is slided into its internal slide.Based on effect one, the bottom of conduit must be closed, with
Prevent high temperature refrigerant from being revealed from bottom.
The throttling through hole of the certain distance of distance high-temperature matter inlet 10, these throttling through holes keep unimpeded state.Other
Throttling through hole when being used for adapting to refrigerant temperature and reaching frequency off-mode, opened not according to different temperatures, different pressures correspondence
With the throttling through hole of number.According to the design principle, those skilled in the art can be handled as the case may be, and be adjusted
The numerical value of " certain distance, setpoint distance ".Such as：The throttling passage set near high temperature matter inlet 10 is in unimpeded shape
State, with the normal throttling being not up to suitable for refrigerant temperature during frequency off-mode.
In the forced-slip of sliding block 11, stress size, slip speed can be set as the case may be, for example passed through to adjust and slided
Block 11 and the frictional force of vias inner walls are slided to control.Again for example, flexible restoring organ can be set in certain embodiments, utilized
The deformability of flexible restoring organ can also control slide block 11 sliding mode, mobility.Also other modes, herein not
Repeat again.
The side surface of sliding block 11 and the inner wall sealing of conduit, can just prevent refrigerant from extending there through, and into conduit bottom, cause
The waste of refrigerant.Throttling through hole selects straight tube in certain embodiments.
The basic structure of throttling arrangement has been previously mentioned, next, in order to increase the availability of throttling arrangement and globality,
Housing is set on throttling arrangement, and the inside of housing is divided into the Part I and Part II mutually closed by dividing plate, led
Pipe is arranged in Part I, and the inside of Part II is cavity, and the other end in throttling duct 13 passes through Part II and low temperature
Material outlet 16 connects.That is, a circle (Part I) shell can be wrapped up again outside conduit, between conduit and the shell
Can be solid, or hollow.Part II is will to export 16 from cryogenic substance from the refrigerant guiding of throttling through hole throttling.
Part II can mention the smoothness of refrigerant fluid by draining, storing.
Wherein, throttling passage can be arranged in dividing plate, can also be set in Part I, or is set and arrived Part II
In.In any case, certain space can be all passed through, so, the sealing of throttling passage is should be noted in practical operation.
Dividing plate is to form the cavity structure of Part II, forms the memory space of low temperature refrigerant, by high temperature refrigerant institute
The spatial integrity where space, low temperature refrigerant separates, the possibility that increase high temperature refrigerant, low temperature refrigerant surprisingly mix.
In view of the fluency of refrigerant flow of fluid, flow blind angle is reduced as far as possible, housing is into tubulose.It is additionally, since throttling
The unique design of device, certain caliber space can be taken in some embodiments, and access the caliber of the pipeline of throttling arrangement
Respectively change, therefore, the bore at 16 ends of bore and/or cryogenic substance outlet at the end of high temperature matter inlet 10 is less than or equal to housing
The caliber at middle part.I.e. in some cases, housing can set necking in high temperature matter inlet 10, cryogenic substance outlet 16, with
Coordinate different connecting pipes.
Scheme given above is increased when solving the input of HTHP refrigerant by way of expanding the number of throttle orifice road 13
The problem of adding throttle-flow, but sliding block 11 has no idea to reset after sliding, and needs in refrigerant temperature and not up to expand throttling
During the situation of the number of duct 13, the problem of causing some wastes, throttling arrangement is also provided with flexible restoring organ, elastic reset
Structure is connected with sliding block 11, and after sliding block 11 moves, flexible restoring organ also accordingly deforms upon, diminish when the stress of sliding block 11 or
During disappearance, flexible restoring organ driving sliding block 11 returns to origin-location.
In certain embodiments, spring 12 or shell fragment, by taking spring 12 as an example, spring 12 can be selected in the flexible restoring organ
One end is fixed on the bottom of conduit by spring fixed seat 15, and the other end is fixed on sliding block 11.
On the other hand, it is contemplated that when refrigerant temperature is too high, it is necessary to which bigger throttle-flow is alleviated when pressure is excessive, therefore,
In addition to increasing the throttling duct 13 of unimpeded state, from the conduit mouth of pipe to the direction at catheter tube bottom on, the aperture in the duct 13 that throttles
Can increase, for example increase successively, refrigerant temperature is higher, sliding block 11 more toward conduit basal sliding, throttling duct 13 open wide it is more,
Aperture is bigger.
A kind of distribution mode in the duct 13 that throttles is given below：
Mode 1, all throttling ducts 13 are being led in the direction higher slice arrangement from the conduit mouth of pipe to catheter tube bottom, sliding block 11
When being slided in pipe, throttling duct 13 is successively opened or closed.The number that this distribution is applicable throttling duct 13 is multiple.
Mode 2, on the basis of mode 1, every layer of throttling duct 13 is uniformly distributed in circumferential.The uniform of throttling can be used
Property, avoid bias current.
Mode 3, when there is units in the duct 13 that throttles, for example at 2,3, these can be in conduit mouth to conduit bottom
It is sequentially distributed on direction.It is not stratified, do not do circumferentially distributed.
To should throttling arrangement throttling method, its step includes：
The high temperature material entered received from high temperature matter inlet；
High temperature material is sent into cryogenic substance outlet near the throttling duct of high temperature matter inlet；
Drive mechanism is slided according to the temperature-driven sliding block of high temperature material in conduit, to be turned on and off other throttle orifices
The connected entrance in road and conduit, when the duct that throttles is unimpeded state, high temperature material, which extends there through, is sent into cryogenic substance outlet.
That is, refrigerant flow throttling device, refrigerant flows through realization throttling from unimpeded throttling passage.It is wherein unimpeded
Throttling passage includes throttling passage unimpeded all the time, and the throttling passage progressively got through is slided also by sliding block.The slip of sliding block
Driven by the refrigerant of HTHP.
When the refrigerant temperature of inflow reduces or refrigerant stops flow into, flexible restoring organ drives sliding block to be transported toward opposite direction
It is dynamic.
Next, protecting a kind of air-conditioning system, as shown in figure 3, its compressor 1, evaporator 8 and condenser 3, three passes through
Pipeline communication is refrigerant circulation pipeline, and throttling arrangement 6 mentioned above is set on the pipeline between condenser 3 and evaporator 8.
Evaporator 8 is in indoor, equipped with indoor fan 7；Condenser 3 is in outside, equipped with outdoor fan 4.
Moreover, the pipeline between throttling arrangement 6 and condenser 3 is also provided with filter 5；In evaporator 8 and compressor 1
Between be also provided with gas-liquid separator 9.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (10)
1. a kind of throttling arrangement, it is characterised in that high temperature matter inlet R and cryogenic substance outlet are set；And the throttling arrangement
Including：Conduit and more than two throttling ducts, the bottom lock of the conduit, the mouth of pipe and the high temperature material inlet communication,
The one end in all throttling ducts connects with the conduit, the other end and the cryogenic substance outlet；Apart from the height
The throttling duct of warm matter inlet setpoint distance is in unimpeded state；
Sliding block is placed in the conduit；The side surface of the sliding block contacts connection with the inner wall sealing formula of the conduit；The cunning
It can be slided after block stress in the conduit, to open other described throttling ducts and the connected entrance of the conduit.
2. throttling arrangement as claimed in claim 1, it is characterised in that also include：Housing, the inside of the housing pass through dividing plate
The Part I and Part II mutually closed are divided into, the conduit is arranged in the Part I, the Part II
Inside be cavity, it is described throttling duct the other end pass through the Part II and the cryogenic substance outlet.
3. throttling arrangement as claimed in claim 2, it is characterised in that the housing is into tubulose, the mouth of high temperature material entrance point
The bore of footpath and/or the cryogenic substance port of export is less than or equal to the caliber of the housing central section.
4. throttling arrangement as claimed in claim 1, it is characterised in that also include：Flexible restoring organ, the elastic reset knot
Structure is connected with the sliding block.
5. throttling arrangement as claimed in claim 4, it is characterised in that the flexible restoring organ includes spring, the spring
One end be fixed on the bottom of conduit, the other end is fixed on sliding block.
6. throttling arrangement as claimed in claim 1, it is characterised in that described on from the conduit mouth of pipe to the direction at catheter tube bottom
The aperture in throttling duct increases successively.
7. the throttling arrangement as described in claim any one of 1-6, it is characterised in that all throttling ducts are from catheter tube
Mouth when the sliding block slides in the conduit, successively opens or closes throttle orifice to the direction higher slice arrangement at catheter tube bottom
Road.
8. throttling arrangement as claimed in claim 7, it is characterised in that every layer of the throttling duct is uniformly distributed in circumferential.
9. a kind of air-conditioning system, it is characterised in that compressor, evaporator and condenser, three are followed by pipeline communication for refrigerant
Endless tube road, the throttling dress described in claim any one of 1-8 is set on the pipeline between the condenser and the evaporator
Put.
10. air-conditioning system as claimed in claim 9, it is characterised in that the pipeline between throttling arrangement and condenser is also set
Filter is put；Gas-liquid separator is also provided between evaporator and compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720310143.1U CN206648357U (en) | 2017-03-27 | 2017-03-27 | Throttling arrangement and air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720310143.1U CN206648357U (en) | 2017-03-27 | 2017-03-27 | Throttling arrangement and air-conditioning system |
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| Publication Number | Publication Date |
|---|---|
| CN206648357U true CN206648357U (en) | 2017-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720310143.1U Active CN206648357U (en) | 2017-03-27 | 2017-03-27 | Throttling arrangement and air-conditioning system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949674A (en) * | 2017-03-27 | 2017-07-14 | 广东美的制冷设备有限公司 | Throttling arrangement and its throttling method and air-conditioning system |
| CN110822629A (en) * | 2019-11-22 | 2020-02-21 | 广东美的制冷设备有限公司 | Air conditioner refrigerant leakage detection method, air conditioner and readable storage medium |
-
2017
- 2017-03-27 CN CN201720310143.1U patent/CN206648357U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949674A (en) * | 2017-03-27 | 2017-07-14 | 广东美的制冷设备有限公司 | Throttling arrangement and its throttling method and air-conditioning system |
| CN106949674B (en) * | 2017-03-27 | 2023-10-31 | 广东美的制冷设备有限公司 | Throttling device, throttling method thereof and air conditioning system |
| CN110822629A (en) * | 2019-11-22 | 2020-02-21 | 广东美的制冷设备有限公司 | Air conditioner refrigerant leakage detection method, air conditioner and readable storage medium |
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