CN206972524U - The pressure relief of compressor and turn cylinder piston compressor - Google Patents

The pressure relief of compressor and turn cylinder piston compressor Download PDF

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Publication number
CN206972524U
CN206972524U CN201720904007.5U CN201720904007U CN206972524U CN 206972524 U CN206972524 U CN 206972524U CN 201720904007 U CN201720904007 U CN 201720904007U CN 206972524 U CN206972524 U CN 206972524U
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CN
China
Prior art keywords
pressure release
cylinder body
passage
compressor
compression chamber
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201720904007.5U
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Chinese (zh)
Inventor
李直
梁社兵
刘喜兴
杜忠诚
徐嘉
杨森
任丽萍
赵庆富
孔令超
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Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
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Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
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Priority to CN201720904007.5U priority Critical patent/CN206972524U/en
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Publication of CN206972524U publication Critical patent/CN206972524U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model provides a kind of pressure relief of compressor and turns cylinder piston compressor, and compressor includes cylinder body and the rotary part being arranged in cylinder body;Compression chamber is formed between rotary part and the inwall of cylinder body;Pressure release passage is provided with cylinder body, and rotary part rotates in cylinder interior, compression chamber is connected after exhaust with pressure release passage, and the remaining refrigerant in compression chamber is discharged by pressure release passage.The utility model has and can improve the efficiency of compressor, while can also optimize compressor components stress, reduces vibration, the advantages of making the reliability of compressor be improved.

Description

The pressure relief of compressor and turn cylinder piston compressor
Technical field
It the utility model is related to refrigeration technology field, the pressure relief of more particularly to a kind of compressor and turn the compression of cylinder piston Machine.
Background technology
As the continuous progress of science and technology, application of the compressor in refrigeration technology field are also more and more extensive.
The form of compressor is varied, and its transferring cylinder piston compressor is the principle based on crosshead shoe, will be by piston A kind of structure of compressor and rotor compressor new type compressor designed in conjunction, because it has the advantages of operating efficiency is high, And the application of wide hair is obtained in refrigerating field.Find, at the end of exhaust phase, serious overvoltage be present in actual use Contracting phenomenon, i.e., also there is remnants refrigeration machine after exhaust terminates, in compression chamber, in the case of the compression that continued, produces very Big pressure, so increases the stress of compressor components, and then increases the vibrations of compressor, makes the reliability of compressor can not It is guaranteed, while also reduces the efficiency of compressor.
Utility model content
Main purpose of the present utility model is to provide a kind of pressure relief of compressor and turns cylinder piston compressor, and it is not The efficiency of compressor can be only improved, while compressor components stress can also be optimized, reduces vibration, makes the reliable of compressor Property is improved.
On the one hand the utility model provides a kind of pressure relief of compressor, the compressor includes cylinder body and is arranged on Rotary part in the cylinder body;
Compression chamber is formed between the inwall of the rotary part and the cylinder body;
Pressure release passage is provided with the cylinder body, the rotary part rotates in the cylinder interior, makes the compression Chamber can connect after exhaust with the pressure release passage, and by the pressure release passage by the remaining refrigeration in the compression chamber Agent is discharged.
More preferably, the exhaust passage for being exhausted for the compression chamber is provided with the cylinder body and allows refrigerant Into the air entry of the compression chamber;
The pressure release passage is arranged on the path that the rotary part rotates from the exhaust passage to the air entry.
More preferably, the axis of the axis of the exhaust passage and the pressure release passage at grade, and the plane It is vertical with the axis of the cylinder body;
In the circumference of the inner chamber along the cylinder body, the arc length between the pressure release passage and the exhaust passage is small In the arc length that the compression chamber is corresponded on the inboard wall of cylinder block.
More preferably, the quantity of the pressure release passage is two or more, and pressure release passage is relative to the row described in two or more Gas passage is by closely to being far arranged in order.
More preferably, in the circumference of the inner chamber along the cylinder body, the camber line length between adjacent two pressure release passages Degree is less than the arc length that the compression chamber is corresponded on the inboard wall of cylinder block.
More preferably, the section of the pressure release passage is circle, and a diameter of 1 to 4mm.
More preferably, valve body is provided with the pressure release passage, the pressure release passage is opened in pressure release, not The pressure release passage is closed during pressure release.
More preferably, the pressure release passage includes the first circulation passage and the second circulation passage;
First circulation passage connects with the inner chamber of the cylinder body, and the valve body is arranged on first circulation passage It is interior, and can be done in first circulation passage from close to the first position of the inner chamber of the cylinder body to the remote cylinder body The reciprocating motion of the second place of inner chamber;
Second circulation passage is connected on first circulation passage, and link position is in the first position and described Between the second place.
More preferably, when the axis and plane-parallel of the cylinder body, between the axis and horizontal plane of the pressure release passage Angle α be -20 ° to 40 ° between.
More preferably, in addition to elastomeric element, the valve body are connected on the cylinder body by the elastomeric element.
The utility model has one side offer one kind to turn cylinder piston compressor, includes the compression of any of the above technical characteristic The pressure relief of machine.
The pressure relief of the compressor of offer of the present utility model, pressure release passage is provided with using on the cylinder body, institute Rotary part is stated to rotate in the cylinder interior, to make the compression chamber to be connected after exhaust with the pressure release passage, And the technical scheme for being discharged the remaining refrigerant in the compression chamber by the pressure release passage, compression can not only be improved The efficiency of machine, while compressor components stress can also be optimized, reduce vibration, the reliability of compressor is improved.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, forms one of the present utility model Point, schematic description and description of the present utility model is used to explain the utility model, does not form to of the present utility model Improper restriction.In the accompanying drawings:
Fig. 1 is the example structure schematic diagram of pressure relief one of compressor provided by the utility model;
View when Fig. 2 is the compression chamber exhaust in Fig. 1;
View when Fig. 3 is the compression chamber pressure release in Fig. 1;
Fig. 4 is the housing structure schematic diagram in Fig. 1;
Fig. 5 is the diagrammatic cross-section in Fig. 4;
Fig. 6 is without the compressor PV curve comparison figures of pressure release after compressor air-discharging;
Fig. 7 is the compressor PV curve comparison figures using pressure relief of the present utility model;
In figure:1st, cylinder body;11st, pressure release passage;12nd, exhaust passage;13rd, the first circulation passage;14th, the second circulation passage; 15th, valve body;16th, elastomeric element;17th, plug;18th, air entry;2nd, rotary part;21st, compression chamber;P, compressor pressure;V, press Contracting chamber volume;α, pressure release passage axis and horizontal plane between angle.
Embodiment
It is specific below in conjunction with the utility model to make the purpose of this utility model, technical scheme and advantage clearer Technical solutions of the utility model are clearly and completely described for embodiment and corresponding accompanying drawing.Obviously, described embodiment Only it is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, this area The every other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to the utility model The scope of protection.
As shown in Fig. 1 to 5, a kind of pressure relief of compressor, compressor includes cylinder body 1 and the rotation being arranged in cylinder body Compression chamber 21 is formed between the inwall of part 2, rotary part 2 and cylinder body 1.Pressure release passage 11, rotating part are provided with cylinder body 1 Part 2 makes compression chamber 21 to be connected after exhaust with pressure release passage 11 in the internal rotating of cylinder body 1, and pass through pressure release passage 11 will Remaining refrigerant discharge in compression chamber 21.
It the experiment proved that, by discharging the remaining system in compression chamber 21 being provided with pressure release passage 11 on cylinder body 1 Cryogen is not relative in the prior art to the scheme of the remaining refrigerant in compression chamber 21, COP (compressor refrigerating capacity and consumption The ratio of power) improve 10%.
The COP of the pressure relief of the compressor of the present utility model principles improved are specifically made a concrete analysis of below:
As shown in Figure 6 and Figure 7, one in Fig. 6 at sharp projection, corresponding overcompression phenomenon.Pv lines surround in Fig. 6 and Fig. 7 Area be compressor indicated work, the area in Fig. 6 is bigger, i.e., bigger without the indicated work of pressure release after compressor air-discharging, Performance is worse.In addition, the pressure relief of compressor of the present utility model reduces the friction power loss of part.Such as Fig. 6, rotary part 2 by the gas in compression chamber 21 pressure, if not pressure release, overcompression occur during, rotary part 2 bears pressure rise, enters And make a concerted effort to raise, each part in rotary part 2 is with respect to sliding, and contact is tighter, and force of sliding friction is bigger, same road Reason, the frictional force of rotary part 2 and upper lower flange are bigger.So the compressor friction power loss of pressure release scheme is lower.From reliable Property and vibration angle:The power being subject to is more uniform, and what is be subject to is smaller with joint efforts, and parts deformation is smaller, and vibration of compressor amplitude is got over Small, reliability is higher.The pressure relief of compressor of the present utility model can be discharged a certain amount of high by pressure release passage 11 simultaneously Refrigerant is pressed, and then increases discharge capacity, so compression chamber 21 can be enable to suck more refrigerants, improve refrigerating capacity.
Specifically, the exhaust passage 12 for being exhausted for compression chamber 21 is provided with cylinder body 1 and allows refrigerant to enter Enter the air entry 18 of compression chamber 21, pressure release passage 11 is arranged on rotary part 2 from the road that the air entry of exhaust passage 12 casees 18 rotates On footpath, that is to say, that on the direction of rotation along rotary part 2, pressure release passage 11 is arranged on the downstream of exhaust passage 12, and Between exhaust passage 12 and air entry 18.So compression chamber 21 can first be connected with exhaust passage 12 and is exhausted, exhaust After end, connected by the turning effort of rotary part 2 with pressure release passage 11 and discharge refrigerant remaining in compression chamber 21, when Compression chamber 21, by after refrigerant discharge remaining in compression chamber 21, passes through the turning effort of rotary part 2 by pressure release passage 11 Connected with air entry 18 and carry out air-breathing, enter next working cycles.
Specifically, the axis of the axis of exhaust passage 12 and pressure release passage 11 at grade, and the plane and cylinder The axis of body 1 is vertical, and in the circumference of the inner chamber along cylinder body 1, the arc length between pressure release passage 11 and exhaust passage 12 is small In the arc length of the corresponding inwall of cylinder body 1 of compression chamber 21.It can so ensure before compression chamber 21 separates with exhaust passage 12 It will be connected with pressure release passage 11, and progress pressure release is begun to when exhaust closes to an end, and then avoid overcompression phenomenon Occur.Specifically, the section of pressure release passage 11 is circle, and a diameter of 1 to 4mm.
As a kind of embodiment, the quantity of pressure release passage 11 is two or more, and two or more pressure release passage 11 is relative In exhaust passage 12 by closely to being far arranged in order.Compression chamber 21 can so be let out by two or more pressure release passage 11 Pressure, improves operating efficiency.Now, in the circumference of the inner chamber along cylinder body 1, pressure release passage 11 and row close to exhaust passage 12 Arc length between gas passage 12 is less than the arc length that compression chamber 21 corresponds to the inwall of cylinder body 1.More preferably, along cylinder body 1 Inwall circumference on, arc length between adjacent two pressure release passages 11 be less than cylinder body 1 inwall and compression chamber 21 it is right Answer the arc length of part.It can so ensure that two or more pressure release passage 11 continuously can be let out to compression chamber 21 successively Pressure.
As a kind of embodiment, as shown in Figure 4 and Figure 5, valve body 15 is provided with pressure release passage 11, to let out Pressure release passage 11 is opened during pressure, pressure release passage 11 is closed into specifically in not pressure release, pressure release passage 11 includes the first circulation The circulation passage 14 of passage 13 and second, the first circulation passage 13 connect with the inner chamber of cylinder body 1, valve body 15 be arranged on it is first-class all In road 13, and it can be done in the first circulation passage 13 from close to the first position of the inner chamber of cylinder body 1 to the remote inner chamber of cylinder body 1 The second place reciprocating motion, the second circulation passage 14 is connected on the first circulation passage 13, and link position is in first position Between the second place.When needing pressure release, valve body 15 moves to the second place away from the inner chamber of cylinder body 1, now the first circulation Passage 13 connects with the second circulation passage 14, and the residual refrigeration agent in compression chamber 21 flows into second by the first circulation passage 13 Circulation passage 14, and discharged through the second circulation passage 14, realize pressure release.When not needing pressure release, valve body 15 is moved to close to cylinder body 1 The of inner chamber is separated the first circulation passage 13 and the second circulation passage 14 with position, now valve body 15, the system in compression chamber 21 Cryogen will not be discharged by the first circulation passage 13 and the second circulation passage 14, realize the closed of compression chamber 21.
It should be noted that in actual use, as shown in figure 1, when the axis and plane-parallel of cylinder body 1, pressure release Angle α between the axis and horizontal plane of passage 11 may be configured as between -20 ° to 40 °.
Further, in addition to elastomeric element 16, valve body 15 are connected on cylinder body 1 by elastomeric element 16.In compression chamber 21 with the first circulation passage 13 when being connected, and when the pressure in compression chamber 21 is more than the elastic force of elastomeric element 16, valve body 15 is being pressed The second place away from the inner chamber of cylinder body 1 is moved under pressure effect in contracting chamber 21, by the first circulation passage 13 and second The connection of circulation passage 14 carries out pressure release.When the pressure in compression chamber 21 is less than the elastic force of elastomeric element 16, valve body 15 is in elastic portion The first position close to the inner chamber of cylinder body 1 is moved under the elastic force effect of part 16, by the first circulation passage 13 and second all Road 14 separates, and realizes the closed of compression chamber 21.Wherein elastomeric element 16 can be spring, and specific mounting means can be such as Fig. 5 Shown in, set the both ends of the elastomeric element 16 of plug 17 to be connected respectively with plug 17 and valve body 15 in the first circulation passage 13.
To realize goal of the invention, the utility model also provides one kind and turns cylinder piston compressor, including institute in above example The pressure relief of the compressor of description.
Above example makes the utility model have the efficiency that can improve compressor, while can also optimize compressor zero Part stress, reduce vibration, the advantages of making the reliability of compressor be improved.
Embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this area Technical staff for, the utility model can have various modifications and variations.It is all within the spirit and principles of the utility model, Any modification, equivalent substitution and improvements made etc., it should be included within right of the present utility model.

Claims (11)

  1. A kind of 1. pressure relief of compressor, it is characterised in that:
    The compressor includes cylinder body (1) and the rotary part (2) being arranged in the cylinder body (1);
    Compression chamber (21) is formed between the inwall of the rotary part (2) and the cylinder body (1);
    It is provided with pressure release passage (11) on the cylinder body (1), the rotary part (2) makes in the cylinder body (1) internal rotating The compression chamber (21) can connect after exhaust with the pressure release passage (11), and by the pressure release passage (11) by described in Remaining refrigerant discharge in compression chamber (21).
  2. 2. the pressure relief of compressor according to claim 1, it is characterised in that:
    The exhaust passage (12) for being exhausted for the compression chamber (21) is provided with the cylinder body (1) and allows refrigerant Into the air entry (18) of the compression chamber (21);
    The pressure release passage (11) is arranged on the rotary part (2) and revolved from the exhaust passage (12) to the air entry (18) On the path turned.
  3. 3. the pressure relief of compressor according to claim 2, it is characterised in that:
    The axis of the exhaust passage (12) and the axis of the pressure release passage (11) at grade, and the plane and institute The axis for stating cylinder body (1) is vertical;
    In the circumference of the inner chamber along the cylinder body (1), the arc between the pressure release passage (11) and the exhaust passage (12) Line length is less than the arc length that the compression chamber (21) is corresponded on the cylinder body (1) inwall.
  4. 4. the pressure relief of compressor according to claim 3, it is characterised in that:
    The quantity of the pressure release passage (11) is two or more, and pressure release passage (11) described in two or more is logical relative to the exhaust Road (12) is by closely to being far arranged in order.
  5. 5. the pressure relief of compressor according to claim 4, it is characterised in that:
    In the circumference of the inner chamber along the cylinder body (1), the arc length between adjacent two pressure release passages (11) is small In the arc length that the compression chamber (21) is corresponded on the cylinder body (1) inwall.
  6. 6. the pressure relief of compressor according to claim 2, it is characterised in that:
    When the axis and plane-parallel of the cylinder body (1), the folder between the axis and horizontal plane of the pressure release passage (11) Between angle α is -20 ° to 40 °.
  7. 7. the pressure relief of compressor according to claim 1, it is characterised in that:
    The section of the pressure release passage (11) is circle, and a diameter of 1 to 4mm.
  8. 8. the pressure relief of the compressor according to claim 1 to 7 any one, it is characterised in that:
    Valve body (15) is provided with the pressure release passage (11), the pressure release passage (11) to be opened in pressure release, The pressure release passage (11) is closed during not pressure release.
  9. 9. the pressure relief of compressor according to claim 8, it is characterised in that:
    The pressure release passage (11) includes the first circulation passage (13) and the second circulation passage (14);
    First circulation passage (13) connects with the inner chamber of the cylinder body (1), and the valve body (15) is arranged on described first-class In circulation passage (13), and it can be done in first circulation passage (13) from close to the first of the inner chamber of the cylinder body (1) Reciprocating motion of the position to the second place away from the cylinder body (1) inner chamber;
    Second circulation passage (14) is connected on first circulation passage (13), link position in the first position and Between the second place.
  10. 10. the pressure relief of compressor according to claim 9, it is characterised in that:
    Also include elastomeric element (16), the valve body (15) is connected on the cylinder body (1) by the elastomeric element (16).
  11. 11. one kind turns cylinder piston compressor, it is characterised in that:
    Include the pressure relief of the compressor described in claim 1 to 10 any one.
CN201720904007.5U 2017-07-25 2017-07-25 The pressure relief of compressor and turn cylinder piston compressor Withdrawn - After Issue CN206972524U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720904007.5U CN206972524U (en) 2017-07-25 2017-07-25 The pressure relief of compressor and turn cylinder piston compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720904007.5U CN206972524U (en) 2017-07-25 2017-07-25 The pressure relief of compressor and turn cylinder piston compressor

Publications (1)

Publication Number Publication Date
CN206972524U true CN206972524U (en) 2018-02-06

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CN201720904007.5U Withdrawn - After Issue CN206972524U (en) 2017-07-25 2017-07-25 The pressure relief of compressor and turn cylinder piston compressor

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107387410A (en) * 2017-07-25 2017-11-24 珠海格力节能环保制冷技术研究中心有限公司 The pressure relief of compressor and turn cylinder piston compressor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107387410A (en) * 2017-07-25 2017-11-24 珠海格力节能环保制冷技术研究中心有限公司 The pressure relief of compressor and turn cylinder piston compressor

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Granted publication date: 20180206

Effective date of abandoning: 20200310