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CN109058106A - Pump body assembly, compressor and dual-temperature air conditioning system - Google Patents

Pump body assembly, compressor and dual-temperature air conditioning system Download PDF

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Publication number
CN109058106A
CN109058106A CN201811070557.7A CN201811070557A CN109058106A CN 109058106 A CN109058106 A CN 109058106A CN 201811070557 A CN201811070557 A CN 201811070557A CN 109058106 A CN109058106 A CN 109058106A
Authority
CN
China
Prior art keywords
slide plate
air
accommodating cavity
cylinder
compression chamber
Prior art date
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.)
Granted
Application number
CN201811070557.7A
Other languages
Chinese (zh)
Other versions
CN109058106B (en
Inventor
余少波
周瑜
霍喜军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Zhuhai Landa Compressor Co Ltd
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Zhuhai Landa Compressor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai, Zhuhai Landa Compressor Co Ltd filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201811070557.7A priority Critical patent/CN109058106B/en
Publication of CN109058106A publication Critical patent/CN109058106A/en
Application granted granted Critical
Publication of CN109058106B publication Critical patent/CN109058106B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/356Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
    • F04C18/3562Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C28/00Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/24Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/12Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F04C29/124Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

The invention provides a pump body assembly, a compressor and a dual-temperature air conditioning system, which overcome the technical defect that the volume and the cost of the compressor can be increased by increasing the single air cylinder displacement in the prior art, and the adopted technical scheme comprises the following steps: the pump body subassembly includes: the air cylinder component, the eccentric rotating component and the sliding piece component are arranged, wherein a sliding piece containing cavity is formed in the wall of the inner cavity of the air cylinder component, a second air suction port is additionally formed in the side wall, facing the low-pressure cavity, of the sliding piece, a second air exhaust port communicated with the sliding piece containing cavity is formed in the air cylinder component, and an air exhaust valve component is arranged at the second air exhaust port. Through the second air suction port and the sealing design of the existing slide sheet groove, the space structure of the original slide sheet groove can be fully utilized on the basis of the original cylinder structure, the compression volume is additionally increased, the effective volume and the efficiency of the pump body are improved, and the new compression cavity is simple in structure and good in reliability.

Description

Pump assembly, compressor and two temperature air-conditioning system
Technical field
The present invention relates to Compressor Technology fields, and in particular to a kind of pump assembly, compressor and two temperature air-conditioning system.
Background technique
Rotary compressor is therefore widely used in since refrigeration performance is good, small in size, structure is simple, high reliablity In household room air conditioner, and rise steadily with advances in technology with energy prices, it is high-performance, low noise, safe and power saving Air conditioner is more and more welcomed by the people.The raising of conditioner efficiency is greatly in compressor.Improve the effect of compressor Rate produces one of the main means that efficient compressor has become current all compressor manufacturers product competition.
Existing rotary compressor mainly includes shell, pump assembly, electric machine assembly and oil sump.The stator of electric machine assembly with Bore of stator is formed between shell, pump assembly, wherein stator upper space is motor epicoele, and stator lower space is under motor Chamber.Pump assembly mainly includes cylinder, crankshaft, roller and slide plate component.Cylinder upper and lower ends are respectively provided with lower flange in cylinder Interior formation sealed volume, slide plate component are limited in the sliding vane groove on cylinder wall, and roller rotates in cylinder chamber along its cavity wall, sliding Piece is close under the action of the spring to which cylinder chamber is divided into suction chamber and compression chamber with roller, and slide plate is made with the rotation of roller Straight reciprocating motion, so that rotary compressor be made to complete air-breathing-compression-exhaust process.
The compressor pump of the prior art, either single cylinder compressor or multicylinder compressor, a general cylinder only have One compression chamber, increases the discharge capacity of single cylinder if necessary, then needs to increase the cylinder height of cylinder or increase eccentricity, or Person is further added by one or more cylinders.Biggish variation in structure is thus caused, the volume of compressor is not only increased, Cost of idleness.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that the single displacement volume of increase in the prior art is overcome to be used Mode will increase the technological deficiency of compressor volume and cost, so that it is empty to provide a kind of pump assembly, compressor and two temperature Adjusting system.
For achieving the above object, the technical solution adopted by the present invention includes:
A kind of pump assembly with additional compression chamber, comprising: cylinder assembly has inner cavity, on the inner wall of the inner cavity With slide plate accommodating cavity;Eccentric rotary component is set in the inner cavity;Slide plate component is arranged in the slide plate accommodating cavity, packet It includes head and keeps the slide plate contacted with the eccentric rotary portion, the inner cavity is divided into the high pressure with exhaust outlet by the slide plate Chamber and low pressure chamber with air entry;The second air entry is had additional on the side wall towards the low pressure chamber of the slide plate;It is described Cylinder assembly is equipped with the second exhaust port being connected to the slide plate accommodating cavity, is provided with exhaust valve group at the second exhaust port Part;When the slide plate, which stretches out the slide plate accommodating cavity, to be exposed to second air entry part, second air entry is by institute Low pressure chamber is stated to be connected to the slide plate accommodating cavity;The slide plate described in the eccentric rotary Component driver bounces back to second air-breathing When mouth is completely in the slide plate accommodating cavity, the low pressure chamber and the connection of the slide plate accommodating cavity are truncated, and described second Air entry, the slide plate accommodating cavity and the second exhaust port form additional compression chamber, the low pressure gas in the slide plate accommodating cavity Body is compressed to form high pressure gas as the slide plate constantly bounces back, until reaching the excretion pressure for opening the exhaust valve component When power, it is discharged by the second exhaust port.
The cylinder assembly includes: cylinder, has the closed sliding vane groove of tail end on inner wall;First end sealing and second end Sealing is arranged and is shaped as the inner cavity in the cylinder axial ends, and with the limiting cylinder, limits to be formed with the sliding vane groove The slide plate accommodating cavity.
The second exhaust port includes that the first through hole of the cylinder upper surface of slide plate accommodating cavity upper end is arranged in.
The exhaust outlet of the high pressure chest side is arranged on the first end sealing.
The slide plate component further include: elastic component is arranged in the slide plate accommodating cavity, and partial pressure is in the cunning On piece contacts the slide plate holding with the outer circumference surface in the eccentric rotary portion.
The slide plate includes: slide plate ontology, and the slide plate body tail section is equipped with limiting section, the flexible freedom of the elastic component End is connect with the limiting section.
The limiting section is groove, and the flexible free end setting of the elastic component is in the groove.
The tail end of second air entry is connected to the groove.
Second air entry is the strip elongated slot that length direction is stretched out along the slide plate or retracted orientation is arranged.
The eccentricity of the eccentric rotary component is set as e, head to the head of the slide plate of second air entry The distance between be X, when the slide plate stretches out the slide plate accommodating cavity longest, second air entry exposes the slide plate and holds The size along slide plate stretching or retracted orientation for setting chamber side is H, then H=2e-X.
The value range of the H is 0.1~0.2mm.
The air entry is arranged on the internal chamber wall of the cylinder.
The eccentric rotary component includes: crankshaft, and the crankshaft runs through the cylinder assembly, and is had on the crankshaft inclined Center portion;Roller, the roller are set on the eccentric part.
The slide plate accommodating cavity includes the cavity being molded on the cylinder, and the separate described of the cavity is arranged in At the tail end at the center of cylinder, the plugging structure of the tail end for blocking the cavity.
The plugging structure includes screw.
The present invention also provides a kind of compressors, including according to pump assembly described above.
The present invention also provides a kind of two temperature air-conditioning systems, including the first air-conditioning system and the second air-conditioning system, further include Above-mentioned compressor, the exhaust outlet setting pipeline assembly form the main vent of the compressor, and the second exhaust port is set Set the auxiliary exhaust port that pipeline assembly forms the compressor;The main vent and the inlet port of first air-conditioning system connect Logical, the auxiliary exhaust port is connected to the inlet port of second air-conditioning system, the gas returning port end of first air-conditioning system and The gas returning port end of second air-conditioning system is connected to the return line of the compressor.
The inlet port of first air-conditioning system and the second air-conditioning system refers both to the air inlet of condenser;The compressor Return line be equipped with dispenser.
Technical solution of the present invention has the advantages that
1. pump assembly provided by the invention, comprising: cylinder assembly has inner cavity, has on the inner wall of the inner cavity and slide Piece accommodating cavity;Eccentric rotary component is set in the inner cavity;Slide plate component is arranged in the slide plate accommodating cavity, including head The slide plate contacted with the eccentric rotary portion is kept, the inner cavity is divided into high pressure chest and tool with exhaust outlet by the slide plate There is the low pressure chamber of air entry;The second air entry is had additional on the side wall towards the low pressure chamber of the slide plate;The air cylinder group Part is equipped with the second exhaust port being connected to the slide plate accommodating cavity, is provided with exhaust valve component at the second exhaust port;When When the slide plate stretches out the slide plate accommodating cavity to second air entry part and exposes, second air entry is by the low pressure Chamber is connected to the slide plate accommodating cavity;It is complete that the slide plate described in the eccentric rotary Component driver bounces back to second air entry When in the slide plate accommodating cavity, the low pressure chamber and the connection of the slide plate accommodating cavity are truncated, second air entry, The slide plate accommodating cavity and the second exhaust port form additional compression chamber, and the low-pressure gas in the slide plate accommodating cavity is with institute It states slide plate and constantly bounces back and be compressed to form high pressure gas, until leading to when reaching the drainage pressure for opening the exhaust valve component Cross the second exhaust port discharge.
Above-mentioned is core of the invention technical solution, by being sealed design to sliding vane groove in the prior art, is used Slide plate accommodating cavity forms a new independent additional compression chamber, and opens up the second suction the side of slide plate towards low pressure chamber is mating Port, as the air intake passage that can be connected to low pressure chamber with additional compression chamber.When slide plate stretching is sufficiently long, on slide plate Second air entry exposes slide plate accommodating cavity and is connected to low pressure chamber with additional compression chamber, and gas enters additional compression by the second air entry Chamber.With the retraction of slide plate, the second air entry is gradually closed, and slide plate continues the additional pressure to bounce back to closed structure has been formed The intracavitary gas of contracting chamber carries out compression and forms high pressure gas, when pressure reaches the drainage pressure of exhaust valve component, high pressure gas It is discharged by second exhaust port, so far completes a compression process.It is set by above-mentioned second air entry and to the sealing of slide plate accommodating cavity Meter, can make full use of the space structure of original slide plate accommodating cavity, add additional minimum cylinder volume on original air cylinder structure, The dischargeable capacity and efficiency of the pump housing are improved, and new compression chamber property simple and reliable for structure is good.
2. pump assembly provided by the invention, the eccentricity of the eccentric rotary component is set as e, second air entry The distance between head to the head of the slide plate be X, when the slide plate stretches out the slide plate accommodating cavity longest, described the The size along slide plate stretching or retracted orientation that two air entries expose slide plate accommodating cavity side is H, then meets H=2e- X.The value range of the H is 0.1~0.2mm.Cunning is gradually exposed with the movement that slide plate stretches out slide plate accommodating cavity in second air entry Piece accommodating cavity, expose slide plate accommodating cavity size cannot it is excessive can not be too small, need reasonably to set its exposing size Range.
3. pump assembly provided by the invention, the slide plate accommodating cavity includes the cavity being molded on the cylinder, and It is arranged at the tail end at the center far from the cylinder of the cavity, the plugging structure of the tail end for blocking the cavity. The plugging structure includes screw.Plugging structure can be to be integrally formed with cylinder, can also be installed in assembly using screw At slide plate accommodating cavity tail end, the present embodiment preferably uses screw as plugging structure, and installation is facilitated to operate.
4. compressor provided by the invention, including according to pump assembly described above, there is the institute of above-mentioned pump assembly There is advantage.
5. two temperature air-conditioning system provided by the invention, including the first air-conditioning system and the second air-conditioning system, further include on The compressor stated, the exhaust outlet setting pipeline assembly form the main vent of the compressor, the second exhaust port setting Pipeline assembly forms the auxiliary exhaust port of the compressor, the inlet port company of the main vent and first air-conditioning system Logical, the auxiliary exhaust port is connected to the inlet port of second air-conditioning system, the gas returning port end of first air-conditioning system and The gas returning port end of second air-conditioning system is connected to the return line of the compressor.Existing compressor only has output one If desired the function of a air-breathing parameter and an exhaust parameter is realized the output of multiple air-breathing parameters or exhaust parameter, is then needed Multiple compressors combine to realize, also more demanding to installation space while cost performance is not high.The present invention makes a compression The equipment function double for single suction can effectively substitute the double of the former double-exhaust parameter for needing two compressors to be just able to achieve driving Temperature air-conditioning system.
In conclusion the present invention passes through the space using cylinder sliding vane groove, auxiliary upper and lower side sealing and plugging structure, building One independent additional compression chamber, additional compression chamber passes through the second air entry that the low pressure chamber side of slide plate is arranged in, with slide plate The movement that slidably reciprocates can be connected to or disconnect connection with low pressure chamber, to realize independent air-breathing-compression-exhaust process.It is logical The present invention is crossed, is realized from increased second exhaust pipe independent exhaustion, two temperature air-conditioning system wherein a set of only air-conditioning system is driven Function, improve the efficiency of the pump housing.
The present invention is described in detail with reference to the accompanying drawing.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the explosive view of 1 middle pump body component of the embodiment of the present invention;
Fig. 2 is cross-sectional view of Fig. 1 middle pump body component along cylinder radial direction (plugging structure is not shown in figure);
Fig. 3 is the cross-sectional view of 1 middle pump body component of the embodiment of the present invention;
Fig. 4 is existing dual temperature control air-conditioning system schematic diagram of gas circuit;
Fig. 5 is dual temperature control air-conditioning system schematic diagram of gas circuit in the embodiment of the present invention 2;
Description of symbols:
1- cylinder;11- slide plate accommodating cavity;111- second exhaust port;112- exhaust outlet;113- third exhaust outlet;12- air-breathing Mouthful;13- high pressure chest;14- low pressure chamber;15- first end sealing;16- second end sealing;2- crankshaft;31- slide plate;311- second inhales Port;32- elastic component;4- roller;5- muffler;6- plugging structure;7- exhaust valve component;8- compressor;81- main vent; 82- auxiliary exhaust port;The first air-conditioning system of 9-;The second air-conditioning system of 10-.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments It can be combined with each other at conflict.
Embodiment
This invention describes a kind of compressors comprising a kind of pump assembly with additional compression chamber.Its middle pump body group Part can may be twin-tub or multi-cylinder for single cylinder.
As shown in Figure 1-3, the pump assembly with additional compression chamber in the present embodiment includes: cylinder assembly, have interior Chamber has slide plate accommodating cavity on the inner wall of inner cavity;Eccentric rotary component is set in inner cavity;Slide plate component, setting are accommodated in slide plate It is intracavitary, the slide plate 31 contacted with eccentric rotary portion is kept including head, inner cavity is divided into the height with exhaust outlet 112 by slide plate 31 Press chamber 13 and the low pressure chamber 14 with air entry 12;The second air entry is had additional on the side wall towards low pressure chamber 14 of slide plate 31 311;Cylinder assembly is equipped with the second exhaust port 111 being connected to slide plate accommodating cavity, is provided with exhaust valve at second exhaust port 111 Component 7.On the basis of the said structure, when slide plate 31, which stretches out slide plate accommodating cavity, to be exposed to 311 part of the second air entry, second inhales Low pressure chamber 14 is connected to by port 311 with slide plate accommodating cavity;When eccentric rotary Component driver slide plate 31 bounces back to the second air entry 311 When being completely in slide plate accommodating cavity, low pressure chamber 14 and the connection of slide plate accommodating cavity are truncated, and the second air entry 311, slide plate hold It sets chamber and second exhaust port 111 forms closed additional compression chamber, the low-pressure gas in slide plate accommodating cavity is continuous with slide plate 31 Retraction is compressed to form high pressure gas, until when the pressure of high pressure gas reaches the drainage pressure for opening exhaust valve component 7, quilt The high pressure gas of compression is discharged by second exhaust port 111.
By being sealed design to sliding vane groove in the prior art, using slide plate accommodating cavity formed one it is new independent Additional compression chamber, and open up a second special air entry 311 the side of slide plate 31 towards low pressure chamber 14 is mating, as can The air intake passage that slide plate accommodating cavity is connected to low pressure chamber 14.It is sliding when slide plate 31 stretches out sufficiently long in specific works The second air entry on piece 31 starts that slide plate accommodating cavity is gradually exposed, and low pressure chamber 14 is connected to additional compression chamber, low pressure chamber 14 Gas enters additional compression chamber by the second air entry 311.With the rotation of eccentric rotary component, slide plate 31 gradually bounces back, and second Air entry 311 also gradually retracts in slide plate accommodating cavity, until being completely closed by slide plate accommodating cavity side.Slide plate continue retraction when, The gas intracavitary to the additional compression for having formed closed structure carries out compression and forms high pressure gas, when pressure reaches exhaust valve group When the drainage pressure of part 7, high pressure gas is discharged by second exhaust port, so far completes a compression process.
In the present embodiment, as shown in Figure 1, cylinder assembly further include: cylinder 1 has the closed sliding vane groove of tail end on inner wall 11;First end sealing 15 and second end sealing 16 are arranged in 1 axial ends of cylinder, and form institute with the cylinder 1 restriction Inner cavity is stated, forms the slide plate accommodating cavity with the sliding vane groove 11 restriction.Slide plate accommodating cavity can also be by directly on 1 wall of cylinder And formed along the strip blind hole that cylinder radially opens up, slide plate is placed in sliding in strip blind hole.First end in the present embodiment Sealing 15 refers to that upper flange, second end sealing 16 refer to lower flange.
As shown in figure 3, further including the muffler that 15 top of first end sealing is arranged in pump assembly in the present embodiment 5.Second exhaust port 111 includes the first through hole being arranged on 1 cylinder body of cylinder of slide plate accommodating cavity upper end, is axially arranged on the The second intercommunicating pore in the pan portion of one end sealing 5, and the third exhaust outlet 13 being arranged radially on first end sealing 5, institute Stating first through hole and second through-hole can be coaxially disposed also not coaxial, and the present embodiment is preferably coaxially disposed, sliding vane groove accommodating Chamber passes sequentially through to be connected to outside the first through hole, the second through-hole and third exhaust outlet 13 and the pump housing.In the first end sealing 5 Upper surface is located at setting counterbore, the mounting portion of the muffler 5 at the second intercommunicating pore and is fastened on the counterbore and forms cavity, institute It states third exhaust outlet 13 and is connected to through the cavity with the second through-hole.
The exhaust outlet 112 of 13 side of high pressure chest is also disposed on first end sealing 15.
As another embodiment, second exhaust port 111 can also be set up directly on cylinder 1, for example, by sliding vane groove 11 Tail end be set as second exhaust port 111,11 tail end of sliding vane groove can be specifically made into shoulder hole structure, elastic component is placed in ladder hole platform Exhaust valve component is arranged in rank upper limit, stepped hole tail end.It include being arranged by rivet in first end sealing 15 in exhaust valve component 7 Or valve block baffle and valve block on cylinder 1.
As shown in Figure 1, the second air entry 311 is that length direction is stretched out along slide plate 31 or the strip of retracted orientation setting is long Slot.When designing the maximum length of the second air entry 311 exposing slide plate accommodating cavity side, setting is held when slide plate 31 stretches out slide plate first When setting chamber longest, the size along the stretching of slide plate 31 or retracted orientation that the second air entry 311 exposes slide plate accommodating cavity side is H, and The eccentricity of eccentric rotary component is set as e, the distance between head to head of slide plate 31 of the second air entry 311 is X, then H=2e-X.According to the needs of practical operation, the value range of H can be set as 0.1~0.2mm.The size of H cannot be excessive Cannot be too small, need reasonably to set the size range of its exposing.
On the basis of the above, the second air entry 311 is further described from slide plate accommodating cavity will be stretched out to i.e. will be complete The process of full reduced time slide plate accommodating cavity.Slide plate is compressed to completely to rotate origin in slide plate accommodating cavity with eccentric rotary component, When eccentric rotary component turns to 128 ° by origin, the second air entry 311 starts to stretch out slide plate accommodating cavity, eccentric rotary component 128 ° of corners be exactly air intake passage opening angle.When eccentric rotary component continues to rotate to 180 °, slide plate 31 stretches out slide plate Accommodating cavity apart from longest, the second air entry 311 exposes the distance of slide plate accommodating cavity also longest, the size preferably 0.1~ Between 0.2mm, specific size is determined according to design requirement.When eccentric rotary component continues to rotate, slide plate starts to bounce back, thus The distance for driving the second air entry to expose slide plate accommodating cavity is also gradually reduced, until when continuing to rotate to 232 °, the second air entry 311 closings, 232 ° of corners of eccentric rotary component are exactly the closing angle of air intake passage.So far, slide plate accommodating can be calculated - 128 °=104 ° of air-breathing angular range area α=232 ° of chamber.Above-mentioned is only the air-breathing angle of distance the second air intake passage of explanation Degree, is not limited to that, the opening angle and closing angle of air intake passage can be changed according to design requirement.
As shown in Fig. 2, sliding vane groove 11 includes the cavity being molded on cylinder 1, and the separate cylinder 1 of cavity is set At the tail end at center, the plugging structure 6 of the tail end for blocking cavity.Plugging structure 6 can be screw, and being also possible to other can By the closed structure of sliding vane groove tail end, such as it is fixed on the sealing steel plate etc. of slide plate slot tail.Spiral shell is preferably used in the present embodiment Nail sealing, it is therefore intended that in the machinability for guaranteeing sliding vane groove, while after elastic component assembly is entered, then insert screws into gas Cylinder seals new compression chamber tail portion, easy for installation to operate.In addition, sliding vane groove upper and lower end face, finishing processing, and with it is upper and lower Flange cooperation sealing.
In the present embodiment, slide plate component further include: elastic component 32 is arranged in slide plate accommodating cavity, and partial pressure exists On slide plate 31, contact the holding of slide plate 31 with the outer circumference surface in eccentric rotary portion.Elastic component 32 uses pressure spring or pagoda spring.This The preferred pressure spring of embodiment.
In the present embodiment, slide plate 31 includes: slide plate ontology, and slide plate body tail section is equipped with limiting section, and elastic component 32 stretches Free end is connect with limiting section.Limiting section is groove, and the flexible free end of elastic component 32 is arranged in groove.It can be stronger fixed The position and connection of position slide plate ontology and elastic component 32.Wherein, as shown in Figure 1, the tail end of the second air entry 311 and groove connect It is logical.
In the present embodiment, air entry 12 is arranged on the internal chamber wall of cylinder 1.Eccentric rotary component includes: crankshaft 2, crankshaft 2 Through cylinder assembly, and there is eccentric part on crankshaft 2;Roller 4, roller 4 are set on eccentric part.
The course of work of pump assembly in the present invention with additional compression chamber are as follows:
When slide plate 31, which stretches out slide plate accommodating cavity, to be gradually exposed to the second air entry 311, the second air entry 311 is by low pressure chamber 14 are gradually connected to slide plate accommodating cavity;Cunning is completely in when eccentric rotary Component driver slide plate 31 bounces back to the second air entry 311 When in piece accommodating cavity, low pressure chamber 14 and the connection of slide plate accommodating cavity are truncated, the second air entry 311, slide plate accommodating cavity and second Exhaust outlet 111 forms closed additional compression chamber, and the low-pressure gas in slide plate accommodating cavity is compressed with the constantly retraction of slide plate 31 High pressure gas is formed, until when the pressure of high pressure gas reaches the drainage pressure for opening exhaust valve component 7, compressed high pressure Gas is discharged by second exhaust port 111, so far completes a compression process.
Embodiment 2
As shown in figure 5, the present embodiment provides a kind of two temperature air-conditioning system, including the first air-conditioning system 9 and the second air-conditioning System 10 further includes the compressor 8 in embodiment 1, and the main row that pipeline assembly forms the compressor is arranged in the exhaust outlet 112 The auxiliary exhaust port 82 that pipeline assembly forms the compressor is arranged in port 81, the second exhaust port 111;The main vent 81 It is connected to the inlet port of first air-conditioning system 9, the inlet port of the auxiliary exhaust port 82 and second air-conditioning system 9 Connection, the gas returning port end of the gas returning port end of first air-conditioning system 9 and second air-conditioning system 10 with the compressor Return line connection.
Wherein, the inlet port of first air-conditioning system 9 and the second air-conditioning system 10 refers both to the air inlet of condenser.This In embodiment, main vent 81 accesses the first exhaust access of the first air-conditioning system 9 through the condenser in the first air-conditioning system 9, Auxiliary exhaust port 82 accesses the second exhaust access of the second air-conditioning system 10 through the condenser of the second air-conditioning system.
Meanwhile the return line of the compressor is equipped with dispenser.First exhaust access and second exhaust access exist Converge in the return line of dispenser inlet, two sets of air-conditioning systems share a liquid separator of compressor.
Air-conditioning system at work, enters the first air-conditioning system by the compressed gas that main vent 81 is discharged in the present embodiment 9 first exhaust access is entered the second exhaust access of the second air-conditioning system 10 by the compressed gas that auxiliary exhaust port 82 is discharged.
Two temperature air-conditioning system provided in this embodiment, the original suction airway dysfunction of compressor is constant, keeps another way row Gas is discharged from the exhaust pipe of shell upper end, connect with the second servo loop of refrigeration system after shell, and it is logical to form second exhaust Road.
Existing compressor only has the function of one air-breathing parameter of output and an exhaust parameter, if desired realizes multiple suctions The output of gas parameter or exhaust parameter then needs multiple compressors to combine to realize, two temperature in the prior art such as shown in Figure 4 Air-conditioning system, two groups of air-conditioning systems are independent of one another, realized respectively by two groups of compressors, while cost performance is not high, to installation Space is also more demanding.The present invention makes a compressor have the double function of single suction, can effectively substitute two pressures of former needs Contracting machine is just able to achieve the two temperature air-conditioning system of the double-exhaust parameter of driving.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes still within the protection scope of the invention.

Claims (18)

1. a kind of pump assembly with additional compression chamber characterized by comprising
Cylinder assembly has inner cavity, has slide plate accommodating cavity on the inner wall of the inner cavity;
Eccentric rotary component is set in the inner cavity;
Slide plate component is arranged in the slide plate accommodating cavity, and the slide plate contacted with the eccentric rotary portion is kept including head (31), the inner cavity is divided into the high pressure chest (13) with exhaust outlet (112) and has air entry (12) by the slide plate (31) Low pressure chamber (14);
The second air entry (311) are had additional on the side wall towards the low pressure chamber (14) of the slide plate (31);
The cylinder assembly is equipped with the second exhaust port (111) being connected to the slide plate accommodating cavity, the second exhaust port (111) exhaust valve component (7) are provided at;
When the slide plate (31), which stretch out the slide plate accommodating cavity, exposes to the second air entry (311) part, described second The low pressure chamber (14) is connected to by air entry (311) with the slide plate accommodating cavity;It is sliding described in the eccentric rotary Component driver Piece (31) bounces back to second air entry (311) when being completely in the slide plate accommodating cavity, the low pressure chamber (14) and institute The connection for stating slide plate accommodating cavity is truncated, second air entry (311), the slide plate accommodating cavity and the second exhaust port (111) additional compression chamber is formed, the low-pressure gas in the slide plate accommodating cavity is compressed with the slide plate (31) constantly retraction High pressure gas is formed, until passing through the second exhaust port when reaching the drainage pressure for opening the exhaust valve component (7) (111) it is discharged.
2. the pump assembly according to claim 1 with additional compression chamber, which is characterized in that the cylinder assembly packet It includes:
Cylinder (1) has the closed sliding vane groove of tail end (11) on inner wall;
First end sealing (15) and second end sealing (16), be arranged in the cylinder (1) axial ends, and with the cylinder (1) Restriction forms the inner cavity, limits with the sliding vane groove (11) and forms the slide plate accommodating cavity.
3. the pump assembly according to claim 2 with additional compression chamber, which is characterized in that the second exhaust port It (111) include the first through hole that the cylinder upper surface of slide plate accommodating cavity upper end is set.
4. the pump assembly according to claim 2 with additional compression chamber, which is characterized in that high pressure chest (13) side Exhaust outlet (112) be arranged on the first end sealing.
5. the pump assembly according to claim 1 with additional compression chamber, which is characterized in that the slide plate component also wraps It includes:
Elastic component (32) is arranged in the slide plate accommodating cavity, and partial pressure makes the slide plate on the slide plate (31) (31) it keeps contacting with the outer circumference surface in the eccentric rotary portion.
6. the pump assembly according to claim 5 with additional compression chamber, which is characterized in that slide plate (31) packet Include: slide plate ontology, the slide plate body tail section are equipped with limiting section, the flexible free end of the elastic component (32) and the limiting section Connection.
7. the pump assembly according to claim 6 with additional compression chamber, which is characterized in that the limiting section is recessed Slot, the flexible free end setting of the elastic component (32) is in the groove.
8. the pump assembly according to claim 7 with additional compression chamber, which is characterized in that second air entry (311) tail end is connected to the groove.
9. the pump assembly according to claim 1 to 8 with additional compression chamber, which is characterized in that described Two air entries (311) are the strip elongated slots that length direction is stretched out along the slide plate (31) or retracted orientation is arranged.
10. the pump assembly according to claim 9 with additional compression chamber, which is characterized in that described eccentric turn of setting The eccentricity of dynamic component is e, and the distance between head to head of the slide plate (31) of second air entry (311) is X, When the slide plate (31) stretch out the slide plate accommodating cavity longest, second air entry (311) exposes the slide plate accommodating cavity The size along the slide plate (31) stretching or retracted orientation of side is H, then H=2e-X.
11. the pump assembly according to claim 10 with additional compression chamber, which is characterized in that the value model of the H It encloses for 0.1~0.2mm.
12. the pump assembly according to claim 2 with additional compression chamber, which is characterized in that the air entry (12) It is arranged on the inner wall of the cylinder (1).
13. the pump assembly according to claim 1 with additional compression chamber, which is characterized in that the eccentric rotary group Part includes:
Crankshaft (2), the crankshaft (2) run through the cylinder assembly, and have eccentric part on the crankshaft (2);
Roller (4), the roller (4) are set on the eccentric part.
14. the pump assembly according to claim 2 with additional compression chamber, which is characterized in that the sliding vane groove (11) Including the cavity being molded on the cylinder (1), and the tail end at the center far from the cylinder (1) of the cavity is set Place, the plugging structure (6) of the tail end for blocking the cavity.
15. the pump assembly according to claim 14 with additional compression chamber, which is characterized in that the plugging structure It (6) include screw.
16. a kind of compressor, which is characterized in that including according to claim 1-15 described in any item pump assemblies.
17. a kind of two temperature air-conditioning system, including the first air-conditioning system (9) and the second air-conditioning system (10), which is characterized in that also Including the compressor (8) described in claim 16, exhaust outlet (112) the setting pipeline assembly forms the main row of the compressor Port (81), second exhaust port (111) the setting pipeline assembly form the auxiliary exhaust port (82) of the compressor;The main row Port (81) is connected to the inlet port of first air-conditioning system (9), the auxiliary exhaust port (82) and second air-conditioning system The inlet port connection of system (9), the return-air at the gas returning port end of first air-conditioning system (9) and second air-conditioning system (10) Mouth end is connected to the return line of the compressor.
18. two temperature air-conditioning system according to claim 17, which is characterized in that first air-conditioning system (9) and The inlet port of two air-conditioning systems (10) refers both to the air inlet of condenser;The return line of the compressor is equipped with dispenser.
CN201811070557.7A 2018-09-13 2018-09-13 Pump body assembly, compressor and dual-temperature air conditioning system Active CN109058106B (en)

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