CN203907004U - Expansion valve and air conditioner with same - Google Patents

Expansion valve and air conditioner with same Download PDF

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Publication number
CN203907004U
CN203907004U CN201420291230.3U CN201420291230U CN203907004U CN 203907004 U CN203907004 U CN 203907004U CN 201420291230 U CN201420291230 U CN 201420291230U CN 203907004 U CN203907004 U CN 203907004U
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China
Prior art keywords
expansion
place
connection
expansion valve
inlet connection
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CN201420291230.3U
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Chinese (zh)
Inventor
刘艳涛
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Midea Group Wuhan Refrigeration Equipment Co Ltd
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Midea Group Wuhan Refrigeration Equipment Co Ltd
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Priority to CN201420291230.3U priority Critical patent/CN203907004U/en
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Abstract

The utility model discloses an expansion valve and an air conditioner with the same. The expansion valve comprises a valve body, an inlet connecting pipe and an outlet connecting pipe, the inlet connecting pipe and the outlet connecting pipe are respectively connected with the valve body, at least one of the inlet connecting pipe and the outlet connecting pipe is provided with at least one narrowed part and/or at least one expanded part, so that the at least one connecting pipe forms a connecting pipe with a variable cross-section structure. According to the expansion valve, at least one of the inlet connecting pipe and the outlet connecting pipe is arranged to be the connecting pipe with the variable cross-section structure, therefore, when refrigerant flows through the expansion valve, abnormal noise can be lowered effectively, and noise during operation of the air conditioner is lowered.

Description

Expansion valve and there is the air conditioner of this expansion valve
Technical field
The utility model relates to throttling arrangement technical field, especially relates to a kind of expansion valve and has the air conditioner of this expansion valve.
Background technique
Expansion valve is a kind of conventional throttle part, has the many advantages such as throttling precision is high, flow adjustment range is wide.But, when refrigerant is flowed through expansion valve, easily produce the mobile different sound of refrigerant, the noise while having increased operation of air conditioner.In addition, because throttle orifice aperture is less, therefore impurity easily stops up runner, thereby causes throttle part to lose efficacy.
Model utility content
The utility model is intended to solve at least to a certain extent one of above-mentioned technical problem of the prior art.For this reason, an object of the present utility model is to propose a kind of expansion valve, and this expansion valve has improved joint pipe structure, can effectively reduce the flow through noise of expansion valve of refrigerant.
Another object of the present utility model is to propose a kind of air conditioner, and this air conditioner comprises above-mentioned expansion valve.
According to the utility model embodiment's expansion valve, comprising: valve body; Inlet connection and discharge connection, described inlet connection is connected with described valve body respectively with described discharge connection, at least one tube connecting structure in described inlet connection and described discharge connection has at least one place to narrow part and/or at least one place expansion, takes over so that this at least one adapter is formed as variable section structure.
According to the utility model embodiment's expansion valve, be set to variable section structure by least one in inlet connection and discharge connection and take over, thereby in the time that refrigerant is flowed through expansion valve, can effectively reduce different sound, and then noise while improving operation of air conditioner.
In addition, according to the utility model embodiment's expansion valve, can also there is following additional technical feature:
According to embodiments more of the present utility model, described inlet connection and described discharge connection have identical structure.
According to embodiments more of the present utility model, in described expansion, be provided with filter screen.
According to embodiments more of the present utility model, described inlet connection has a place and narrows part or place's expansion.
According to embodiments more of the present utility model, described inlet connection has at least one place and narrows part and place's expansion.
According to embodiments more of the present utility model, on described inlet connection narrow part be two places, described two places narrow part and lay respectively at the both sides of the expansion on described inlet connection, and on described inlet connection described in distance the caliber size that narrows part at the nearlyer place of valve body be not more than on described inlet connection the caliber size that narrows part at a valve body place far away described in distance.
According to embodiments more of the present utility model, described discharge connection has a place and narrows part or place's expansion.
According to embodiments more of the present utility model, described discharge connection has at least one place and narrows part and place's expansion.
According to embodiments more of the present utility model, on described discharge connection narrow part be two places, described two places narrow part and lay respectively at the both sides of the expansion on described discharge connection, and on described discharge connection described in distance the caliber size that narrows part at the nearlyer place of valve body be not more than on described discharge connection the caliber size that narrows part at a valve body place far away described in distance.
According to the utility model air conditioner of embodiment on the other hand, comprise the expansion valve in above-mentioned any one technological scheme.
Brief description of the drawings
Fig. 1 is according to the schematic diagram of an embodiment's of the utility model expansion valve;
Fig. 2 is according to the schematic diagram of another embodiment's of the utility model expansion valve;
Fig. 3 is according to the schematic diagram of another embodiment's of the utility model expansion valve.
Embodiment
Describe embodiment of the present utility model below in detail, described embodiment's example is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment who is described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of instructions such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of device or the element of instruction or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as instruction or hint relative importance or the implicit quantity that indicates indicated technical characteristics.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " multiple " is at least two, for example two, and three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or integral; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but by the other feature contact between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under Second Characteristic and tiltedly, or only represent that First Characteristic level height is less than Second Characteristic.
Describe in detail according to the utility model embodiment's expansion valve 100 below with reference to Fig. 1-Fig. 3, this expansion valve 100 can be used as throttle element and is applied in air-conditioning system, realizes reducing pressure by regulating flow function.
Can comprise valve body 1, inlet connection 2 and discharge connection 3 according to the utility model embodiment's expansion valve 100, inlet connection 2 is connected with valve body 1 respectively with discharge connection 3.For the ordinary skill in the art, the structure of valve body 1 has been prior art and has been well known for ordinary skill in the art, therefore do not made specified otherwise for the structure of valve body 1 here.
Inventor finds, the inlet connection of conventional expanded valve and discharge connection are uniform section structure, in other words, the inlet connection of conventional expanded valve and the caliber size of discharge connection are constant, when refrigerant flows in the adapter of this uniform section structure, easily produce the different sound that flows, thereby increase the noise of operation of air conditioner.Inventor further finds, is set to non-constant section structure by this adapter, can effectively improve this point, thereby reduces the noise producing when refrigerant is flowed through expansion valve 100.
Therefore in certain embodiments, as shown in Figure 1-Figure 3, at least one tube connecting structure in inlet connection 2 and discharge connection 3 has at least one place to narrow part 41 and/or at least one place expansion 42, takes over so that this at least one adapter is formed as variable section structure.
In other words, in certain embodiments, as shown in Figure 1, on inlet connection 2, can be configured with at least one place and narrow part 41.Or as shown in Figure 2, on inlet connection 2, can be configured with place's expansion 42.Or as shown in Figure 3, on inlet connection 2, can be configured with at least one place and narrow part 41 and at least one place expansion 42, take over the adapter that caliber changes thereby this inlet connection 2 is formed as variable cross section.
In further embodiments, as shown in Figure 1, on discharge connection 3, can be configured with at least one place and narrow part 41.Or as shown in Figure 2, on discharge connection 3, can be configured with place's expansion 42.Or as shown in Figure 3, on discharge connection 3, can be configured with at least one place and narrow part 41 and at least one place expansion 42, take over the adapter that caliber changes thereby this discharge connection 3 is formed as variable cross section.
In other embodiment, on inlet connection 2, can be configured with at least one place and narrow part 41, or on inlet connection 2, can be configured with place's expansion 42, or on inlet connection 2, can be configured with at least one place and narrow part 41 and at least one place expansion 42, on discharge connection 3, can be configured with at least one place simultaneously and narrow part 41, or on discharge connection 3, can be configured with place's expansion 42, or on discharge connection 3, can be configured with at least one place and narrow part 41 and at least one place expansion 42, that is to say, inlet connection 2 and discharge connection 3 are simultaneously for variable cross section is taken over, it is the adapter that caliber changes.
Here, need explanation a bit, for narrowing part 41 and expansion 42, it can be understood as this caliber that narrows part 41 and is less than the caliber of remaining part, the caliber of this expansion 42 is greater than the caliber of remaining part, there is the part of narrowing 41 and expansion 42 as example taking inlet connection 2 simultaneously, this inlet connection 2 can be divided into and narrows part 41, expansion 42 and remaining part, and the caliber that narrows part 41 can be less than the caliber that the caliber of this remaining part and the caliber of expansion 42 can be greater than this remaining part.
Thus, according to the utility model embodiment's expansion valve 100, be set to variable section structure by least one in inlet connection 2 and discharge connection 3 and take over, thereby in the time that refrigerant is flowed through expansion valve 100, can effectively reduce different sound, and then noise while improving operation of air conditioner.
As preferred embodiment, as shown in Figure 1-Figure 3, inlet connection 2 and discharge connection 3 have identical structure.Thus, inlet connection 2 and discharge connection 3 have decrease of noise functions unanimous on the whole, can increase noise reduction.It should be noted that, the inlet connection 2 here and discharge connection 3 have identical structure can be understood as be on inlet connection 2 narrow part 41 and/or expansion 42 with on discharge connection 3 narrow part 41 and/or expansion 42 is identical.But the utility model is not limited to this, inlet connection 2 and discharge connection 3 also can have different structures.
Shown in Fig. 2-Fig. 3, expansion 42 is interior can be provided with filter screen 43, and filter screen 43 can filter the impurity in refrigerant, prevent that impurity from stopping up throttle orifice, improve the stability of expansion valve 100, and because expansion 42 has larger radial dimension, be also convenient to the installation of filter screen 43.
The aperture of filter screen 43 can be carried out adaptability design as required, and for example, in the situation that ensureing that refrigerant can circulate, the aperture of filter screen 43 is relatively the smaller the better, can improve like this filter precision, but be not limited to this.Preferably, filter screen 43 can be multiple, and the plurality of filter screen 43 can each interval turns up the soil and be arranged in expansion 42, thereby forms Multi-channel filtering structure, ensures filtering effect.
In embodiments more of the present utility model, as shown in Figure 1, inlet connection 2 has a place and narrows part 41, and similarly, discharge connection 3 can have a place and narrow part 41.Thus, inlet connection 2 and discharge connection 3 simple in structure, thus facilitating machine shaping, cost is low, and has good noise reduction.
In other embodiments of the present utility model, as shown in Figure 2, inlet connection 2 has place's expansion 42, and similarly, discharge connection 3 also has place's expansion 42.Thus, inlet connection 2 and discharge connection 3 simple in structure, thus facilitating machine shaping, cost is low, and has good noise reduction.
As further preferred embodiment, as shown in Figure 2, the expansion 42 of the inlet connection 2 and expansion 42 of discharge connection 3 is interior can be provided with filter screen 43 in this embodiment, can also improve the filtering effect to impurity like this, prevents that throttle orifice from stopping up.
In some embodiments more of the present utility model, as shown in Figure 3, inlet connection 2 has at least one place and narrows part 41 and place's expansion 42.Similarly, discharge connection 3 also has at least one place and narrows part 41 and place's expansion 42.
As further preferred embodiment, as shown in Figure 3, the part 41 that narrows on inlet connection 2 is divided into two places, two places on this inlet connection 2 narrow part 41 and lay respectively at the both sides of the expansion 42 on inlet connection 2, and on inlet connection 2, the caliber size that narrows part 41 at the nearlyer place of distance valve body 1 is not more than the caliber size that narrows part 41 at distance valve body 1 place far away on inlet connection 2, in other words, as shown in Figure 3, d1≤d2.Thus, inlet connection 2 has better decrease of noise functions, can improve better the noise of operation of air conditioner.Further again, in this embodiment, expansion 42 on inlet connection 2 is interior can be provided with filter screen 43, can also improve thus the filtration of inlet connection 2, to arrange littlely with the nearer caliber that narrows part 41 of valve body 1 and the caliber that narrow part 41 far away apart from valve body 1 arranges greatlyr simultaneously, can effectively prevent that inlet connection 2 is blocked, ensure expansion valve 100 can be normally, stable operation.
Similarly, in this embodiment, as shown in Figure 3, narrowing part 41 and also can be divided into two places on discharge connection 3, two places on this discharge connection 3 narrow part 41 and lay respectively at the both sides of the expansion 42 on discharge connection 3, and on discharge connection 3, the caliber size that narrows part 41 at the nearlyer place of distance valve body 1 is not more than the caliber size that narrows part 41 at distance valve body 1 place far away on discharge connection 3, in other words, as shown in Figure 3, d3≤d4.Thus, discharge connection 3 has better decrease of noise functions, can improve better the noise of operation of air conditioner.Further again, in this embodiment, expansion 42 on discharge connection 3 is interior can be provided with filter screen 43, can also improve thus the filtration of discharge connection 3, to arrange littlely with the nearer caliber that narrows part 41 of valve body 1 and the caliber that narrow part 41 far away apart from valve body 1 arranges greatlyr simultaneously, can effectively prevent that discharge connection 3 is blocked, ensure expansion valve 100 can be normally, stable operation.
To sum up; for the ordinary skill in the art; reading on the basis of the above-mentioned disclosure of specification; obviously the part technical characteristics/technological scheme in above-described embodiment can be modified and/or replaced and/or combine, within this also falls into protection domain of the present utility model.
In brief, can adopt the structure of the inlet connection 2 in any one embodiment in Fig. 1-Fig. 3 according to the inlet connection 2 of the utility model embodiment's expansion valve 100, for the structure of discharge connection 3, can adopt equally the structure of the discharge connection 3 in any one embodiment in Fig. 1-Fig. 3, both can combine mutually, are not limited to three concrete examples shown in above-mentioned Fig. 1-Fig. 3.
In addition, the utility model has also proposed a kind of air conditioner, this air conditioner can comprise outdoor heat exchanger, indoor heat exchanger, compressor and expansion valve 100, should be understood that, concrete structure and the working principle of each parts etc. for air conditioner have been all prior art, and be well known for ordinary skill in the art, therefore repeat no longer one by one here.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, to the schematic statement of above-mentioned term not must for be identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiments or example.In addition, those skilled in the art can engage the different embodiments that describe in this specification or example and combine.
Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment in scope of the present utility model, amendment, replacement and modification.

Claims (10)

1. an expansion valve, is characterized in that, comprising:
Valve body;
Inlet connection and discharge connection, described inlet connection is connected with described valve body respectively with described discharge connection, at least one tube connecting structure in described inlet connection and described discharge connection has at least one place to narrow part and/or at least one place expansion, takes over so that this at least one adapter is formed as variable section structure.
2. expansion valve according to claim 1, is characterized in that, described inlet connection and described discharge connection have identical structure.
3. expansion valve according to claim 1, is characterized in that, in described expansion, is provided with filter screen.
4. expansion valve according to claim 1, is characterized in that, described inlet connection has a place and narrows part or place's expansion.
5. expansion valve according to claim 1, is characterized in that, described inlet connection has at least one place and narrows part and place's expansion.
6. expansion valve according to claim 5, it is characterized in that, on described inlet connection narrow part be two places, two places on described inlet connection narrow part and lay respectively at the both sides of the expansion on described inlet connection, and on described inlet connection described in distance the caliber size that narrows part at the nearlyer place of valve body be not more than on described inlet connection the caliber size that narrows part at a valve body place far away described in distance.
7. according to the expansion valve described in any one in claim 4-6, it is characterized in that, described discharge connection has a place and narrows part or place's expansion.
8. according to the expansion valve described in any one in claim 4-6, it is characterized in that, described discharge connection has at least one place and narrows part and place's expansion.
9. expansion valve according to claim 8, it is characterized in that, on described discharge connection narrow part be two places, two places on described discharge connection narrow part and lay respectively at the both sides of the expansion on described discharge connection, and on described discharge connection described in distance the caliber size that narrows part at the nearlyer place of valve body be not more than on described discharge connection the caliber size that narrows part at a valve body place far away described in distance.
10. an air conditioner, is characterized in that, comprises according to the expansion valve described in any one in claim 1-9.
CN201420291230.3U 2014-06-03 2014-06-03 Expansion valve and air conditioner with same Active CN203907004U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420291230.3U CN203907004U (en) 2014-06-03 2014-06-03 Expansion valve and air conditioner with same

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Application Number Priority Date Filing Date Title
CN201420291230.3U CN203907004U (en) 2014-06-03 2014-06-03 Expansion valve and air conditioner with same

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106440316A (en) * 2016-08-31 2017-02-22 青岛海信日立空调系统有限公司 Noise reduction device and air conditioner provided with same
CN110274072A (en) * 2019-06-10 2019-09-24 广东美的制冷设备有限公司 Valve component and air conditioner for air conditioner
CN113203227A (en) * 2021-05-07 2021-08-03 广东威灵电机制造有限公司 Electronic expansion valve and refrigeration equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106440316A (en) * 2016-08-31 2017-02-22 青岛海信日立空调系统有限公司 Noise reduction device and air conditioner provided with same
CN110274072A (en) * 2019-06-10 2019-09-24 广东美的制冷设备有限公司 Valve component and air conditioner for air conditioner
CN113203227A (en) * 2021-05-07 2021-08-03 广东威灵电机制造有限公司 Electronic expansion valve and refrigeration equipment

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