CN107313925A - Linear oilless (oil free) compressor - Google Patents
Linear oilless (oil free) compressor Download PDFInfo
- Publication number
- CN107313925A CN107313925A CN201710407506.8A CN201710407506A CN107313925A CN 107313925 A CN107313925 A CN 107313925A CN 201710407506 A CN201710407506 A CN 201710407506A CN 107313925 A CN107313925 A CN 107313925A
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- Prior art keywords
- piston
- cylinder
- mover
- compressor
- stator
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0215—Lubrication characterised by the use of a special lubricant
Abstract
The present invention provides a kind of linear oilless (oil free) compressor, including：First cylinder and second cylinder, first piston and second piston of first cylinder just to setting；The first piston is set in first cylinder, and is lubricated with first cylinder gas, and the second piston is set in second cylinder, and is lubricated with second cylinder gas；The first piston is moved in the same direction with the second piston, and when the first piston air-breathing, the second piston is calmed the anger, the second piston air-breathing when the first piston is calmed the anger.The compressor of the present embodiment uses gas lubrication, and then simplifies the structure of compressor, reduces the volume of compressor, while first piston and second piston alternation, realize the even running of compressor, reduce its mechanical oscillation and operating noise.
Description
Technical field
The present invention relates to refrigeration technology field, more particularly to a kind of linear oilless (oil free) compressor.
Background technology
During refrigeration is widely used in industry and lived with heat pump, such as refrigerator, air-conditioning and air source heat pump system, its main flow skill
Art is steam compression type system.One of core component of steam compression type system is compressor.Compressor converts electrical energy into machine
Tool energy, low-temp low-pressure gaseous refrigerant boil down to high temperature and high pressure gas.
The compressor of conventional vapor compression system needs lubricating oil, but lubricating oil enters heat exchanger and can slacken heat exchange
Performance, lubricating oil, which enters flow controller part, can cause system jams, and then influence the Performance And Reliability of system.To slacken this shadow
Ring, it usually needs oil eliminator is set, the complexity and cost of system is so undoubtedly added.Meanwhile, require in the prior art
Working medium can dissolve each other with lubricating oil, greatly reduce the range of choice of working medium.
The content of the invention
In order to solve the technical problem mentioned in background technology, the present invention provides a kind of linear oilless (oil free) compressor, passed through
Two suitable compression cylinders are set for compressor, and use gas lubrication, and then a series of asking of avoiding that oil lubrication brings
Topic, while its compact conformation of the compressor of the embodiment of the present invention, stable working.
The embodiment of the present invention provides a kind of linear oilless (oil free) compressor, including：It is first cylinder, just right with first cylinder
The second cylinder, first piston and the second piston set；The first piston is set in first cylinder, and with described
One cylinder gas is lubricated, and the second piston is set in second cylinder, and is lubricated with second cylinder gas；
The first piston is moved in the same direction with the second piston, the second piston pressure when the first piston air-breathing
Gas, the second piston air-breathing when the first piston is calmed the anger.
In a kind of possible implementation of the present embodiment, the compressor also includes stator module and mover assembly,
The mover assembly is located at the outside of first cylinder and second cylinder respectively, and the stator module is located at described
The outside of mover assembly；
The first piston is done back and forth with the second piston under the driving of the stator module and the mover assembly
Motion.
In the alternatively possible implementation of the present embodiment, the mover assembly includes symmetrically arranged first mover
With the second mover, the stator module includes symmetrically arranged first stator and the second stator；
First mover is located at the outer wall side of first cylinder and second cylinder respectively, and described second moves
Son is located at the outer wall opposite side of first cylinder and second cylinder respectively, and first stator is located at described first
The outside of mover, second stator is located at the outside of second mover.
Optionally, first stator, second stator, first mover and second mover are semi arch
Shape.
Further, the bottom of the first piston and the bottom of the second piston are respectively provided with least one one-way air inlet
Valve.
In the alternatively possible implementation of the present embodiment, set between first cylinder and second cylinder
There are first exhaust valve plate and second exhaust valve plate, the first exhaust valve plate is connected with the second exhaust valve plate by compression spring
Connect, the first exhaust valve plate is pressed under the pressure of the compression spring on the exhaust outlet of first cylinder, described
Two exhaust valve plates are pressed under the pressure of the compression spring on the exhaust outlet of second cylinder.
In the alternatively possible implementation of the present embodiment, the compressor also includes support cylinder, the support cylinder
Side wall in the middle part of be provided with steam vent, first cylinder is plugged in one end of the support cylinder, and second cylinder is plugged
In the other end of support cylinder, the first exhaust valve plate and the second exhaust valve plate are located in support cylinder
Portion, and just right with the steam vent, the first exhaust valve plate and the second exhaust valve plate respectively with support cylinder
Wall gap cooperatively forms discharge chamber.
In the alternatively possible implementation of the present embodiment, the compressor also includes muffler, the muffler
Side wall on be provided with the blast pipe connected with the inner chamber of the muffler, the muffler is set in the side wall of the support cylinder
On, the blast pipe and the steam vent just pair and are connected.
In the alternatively possible implementation of the present embodiment, the side wall of first cylinder and second cylinder
It is provided with multiple air supporting shallow cavities with throttle orifice on the wall of side, the side of the inwall of the support cylinder respectively with first cylinder
Runner is formed between the side wall of wall and second cylinder, the runner is connected with the air supporting shallow cavity；
Gas in the runner is pressed into the air supporting shallow cavity, in side wall and first cylinder of the first piston
Inwall between, and between the side wall of the second piston and the inwall of first cylinder form air cushion.
In the alternatively possible implementation of the present embodiment, the first piston and the second piston include one
Level air reservoir, the inwall of the side wall of the first piston and first cylinder and the side wall of the second piston and described the
Formed and be provided with and the one stage of compression on one stage of compression chamber, the side wall of the one stage of compression chamber respectively between the inwall of two cylinders
The one-level intake valve and one-level air bleeding valve of chamber connection, the bottom of the first piston and the first exhaust valve plate and described
Two-stage compression chamber, the one-level air bleeding valve and described one are formed between the bottom of second piston and the second exhaust valve plate respectively
Level air reservoir connection, the breather cheek valve is connected with the one-level air reservoir and the two-stage compression chamber respectively, the one-level air inlet
Valve and the one-level air bleeding valve are check valve；
When the first piston calms the anger the second piston air-breathing, the one-level intake valve of the first piston is closed, institute
The one-level air bleeding valve and breather cheek valve for stating first piston are opened, and the first piston is by the gas in corresponding one stage of compression chamber
Body is pressed into the one-level air reservoir of the first piston, single intake valve that the gas in the one-level air reservoir passes through the first piston
It is pressed into the two-stage compression chamber of the first piston, and is pressed into from the two-stage compression chamber of the first piston discharge chamber
In；Corresponding, one-level intake valve, one-level air bleeding valve and the breather cheek valve of the second piston are opened, and low-pressure gas passes through
The one-level air bleeding valve of the second piston is drawn into the one stage of compression chamber of the second piston, the gas in the one stage of compression chamber
Body is sucked in the one-level air reservoir of the second piston by the one-level air bleeding valve of the second piston, gas in the one-level air reservoir
Sucked by the breather cheek valve of the second piston in the two-stage compression chamber of the second piston.
In the alternatively possible implementation of the present embodiment, first stator and second stator include branch
Frame and coil, the support are formed by stacking by silicon steel, and are formed at least one pole shoe, the pole shoe and be arranged with coil, described
One end of first stator and second stator is provided with the first stator baffle plate, first stator and second stator
The other end is provided with the second stator baffle plate.
In the alternatively possible implementation of the present embodiment, first mover and second mover include moving
Submounts, the mover iron core being fixedly installed on the mover support, and the magnet being connected with the mover iron core.
In the alternatively possible implementation of the present embodiment, the compressor also includes the first mover end plate, second
Mover end plate, the first support end plate and the second support end plate,
The first support end plate is fixedly installed on one end of the support cylinder, and connected with the first stator baffle plate
Connect, the second support end plate is fixedly installed on the other end of the support cylinder, and is connected with the second stator baffle plate；Institute
The first mover end plate is stated to be pressed on the first support end plate, and one with the first piston and the mover support respectively
End connection, the second mover end plate is pressed on the second support end plate, and respectively with the second piston and described dynamic
The other end connection of submounts.
The construction and its other goals of the invention and beneficial effect of the present invention will by with reference to accompanying drawing to preferred real
Apply the description of example and more obvious understandable.
Brief description of the drawings
Fig. 1 is the assembling schematic diagram for the linear oilless (oil free) compressor that the embodiment of the present invention one is provided；
Fig. 2 is the part exploded perspective view for the linear oilless (oil free) compressor that the embodiment of the present invention one is provided；
Fig. 3 is the fundamental diagram for the linear oilless (oil free) compressor that the embodiment of the present invention one is provided；
Fig. 4 is the first stator or the second stator structure schematic diagram in the present embodiment one；
Fig. 5 is the first mover or the second Structure of mover schematic diagram in the present embodiment one；
Fig. 6 is the connection signal of support cylinder and muffler in the linear oilless (oil free) compressor that the embodiment of the present invention two is provided
Figure；
Fig. 7 is the two-stage compression schematic diagram for the linear oilless (oil free) compressor that the embodiment of the present invention three is provided.
Brief description of the drawings：
10：First cylinder；
20：Second cylinder；
30：First piston；
40：Second piston；
50：Stator module；
51：First stator；
52：Second stator；
501：First stator baffle plate；
502：Second stator baffle plate；
503：Coil；
504：Support；
60：Mover assembly；
61：First mover；
62：Second mover；
601：Mover support；
602：Mover iron core；
603：Magnet；
604：First mover end plate；
605：Second mover end plate；
70：First exhaust valve plate；
71：Second exhaust valve plate；
72：Compression spring；
80：Support cylinder；
84：Steam vent；
81：First support end plate；
82：Second support end plate；
83：Balancing spring；
90：Muffler；
91：Blast pipe；
101：Air supporting shallow cavity；
102：Runner；
103：Discharge chamber；
11：One-level air reservoir；
12：One stage of compression chamber；
13：Breather cheek valve；
14：One-level intake valve；
15：One-level air bleeding valve；
16：Two-stage compression chamber.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
The embodiment of the present invention provides a kind of linear oilless (oil free) compressor, the compressor not only realize compressor without glossy
It is sliding, and by setting two symmetrical compression cylinders, in a compression cylinder air-breathing, another compression cylinder is calmed the anger, and then cause
Compressor balance is run, and is reduced mechanical oscillation, is improved the functional reliability of compressor.
Technical scheme is described in detail with specifically embodiment below.These specific implementations below
Example can be combined with each other, and may be repeated no more for same or analogous concept or process in some embodiments.
Fig. 1 is the assembling schematic diagram for the linear oilless (oil free) compressor that the embodiment of the present invention one is provided, and Fig. 2 is implemented for the present invention
The part exploded perspective view for the linear oilless (oil free) compressor that example one is provided, Fig. 3 is the linear nothing that the embodiment of the present invention one is provided
The fundamental diagram of hydraulic shrinking machine.As shown in Figure 1 to Figure 3, the compressor of the present embodiment includes the first cylinder 10 and described first
Second cylinder 20, first piston 30 and second piston 40 of the cylinder 10 just to setting；The first piston 30 is set in described
In one cylinder 10, and with the gas lubrication of the first cylinder 10, the second piston 40 is set in second cylinder 20, and
With the gas lubrication of the second cylinder 20；The first piston 30 is moved in the same direction with the second piston 40, when the described first work
The second piston 40 is calmed the anger when filling in 30 air-breathing, the air-breathing of second piston 40 when the first piston 30 is calmed the anger.
Specifically, as shown in Figure 1 to Figure 2, first cylinder 10 and the second cylinder 20 of the present embodiment are just to setting, the first gas
The exhaust outlet of the exhaust outlet of cylinder 10 and the second cylinder 20 is just right.First piston 30 is set in the first cylinder 10 and can be along first
The inwall of cylinder 10 is slided, and second piston 40 is set in the second cylinder 20 and can slided along the inwall of the second cylinder 20.This
Moistened between the cylinder 10 of first piston 30 and first of embodiment, and between the cylinder 20 of second piston 40 and second using gas
It is sliding.
Due to gas transporting (diffusivity, viscosity and heat conductivity), adsorptivity and compressibility the features such as, friction
When, in the presence of hydrodynamic effect, hydrostatic effects and extrusion effect, one layer of complete air film of formation be allowed to bearing load,
Friction is reduced, and then reduces the abrasion of compressor, the service life of compressor is improved.Meanwhile, gas lubrication need not be single
Parts, and then the less number of components of compressor are solely set, system is simplified, reduces the manufacture of compressor and safeguard into
This.
Further, as shown in figure 3, the first piston 30 of the present embodiment is identical with the direction of motion of second piston 40, work
Make state alternating.For example, when (or to the left) motion to the right simultaneously of first piston 30 and second piston 40, first piston 30 is calmed the anger
The air-breathing of second piston 40, when (or to the left) motion to the left simultaneously of first piston 30 and second piston 40, the air-breathing of first piston 30 the
Two pistons 40 are calmed the anger, and such compressor air-breathing in a cycle balances each other with exhaust, and then realizes the steady fortune of compressor
OK, its mechanical oscillation and operating noise are reduced.
Optionally, the first piston 30 of the present embodiment and the reciprocating motion of second piston 40 can be by toggle
Driving, it optionally can also be what is be directly driven by a motor, the present embodiment is without limitation.
It is as illustrated in figs. 1 and 2 in a kind of possible implementation of the present embodiment, when first piston 30 and second is lived
When plug 40 is motor direct-drive, the compressor of the present embodiment can also include stator module 50 and mover assembly 60, described dynamic
Sub-component 60 is located at the outside of first cylinder 10 and second cylinder 20 respectively, and the stator module 50 is located at institute
State the outside of mover assembly 60；The first piston 30 is with the second piston 40 in the stator module 50 and the mover group
Moved reciprocatingly under the driving of part 60.
Mover assembly 60 and stator module 50 the formation linear electric motors of the present embodiment, the coil on to stator module 50 lead to
When electric, mover assembly 60 and stator module 50 produce reciprocal linear driving force, under the driving of the reciprocal linear driving force
First piston 30 and second piston 40 do reciprocating linear motion.That is the compressor of the present embodiment eliminates toggle, enters
And the structure of compressor is simplified, reduce the volume of compressor.First piston 30 and the row of second piston 40 in the present embodiment
Journey can be adjusted by input voltage, so that continuously adjusting for compressor flowrate can be realized so that compressor is entirely working
In the range of all keep higher efficiency.
Optionally, the mover assembly 60 and stator module 50 of the present embodiment are located at the first cylinder 10 and the second cylinder 20
Both sides.
Specifically, as depicted in figs. 1 and 2, the mover assembly 60 of the present embodiment includes the symmetrically arranged He of first mover 61
Second mover 62, the stator module 50 includes the symmetrically arranged stator 52 of first stator 51 and second；First mover 61
The outer wall side of first cylinder 10 and second cylinder 20 is located at respectively, and second mover 62 is located at institute respectively
The outer wall opposite side of the first cylinder 10 and second cylinder 20 is stated, first stator 51 is located at first mover 61
Outside, second stator 52 is located at the outside of second mover 62.The present embodiment is by stator module 50 and stator module
50 separately designs, are so easy to processing, are also convenient for while installing, and then improve the manufacture efficiency of compressor and install reliable
Property.
First stator 51, the second stator 52, the first mover 61 and the second mover 62 of the present embodiment can be slab construction
Can also be semicircular arc structure, the present embodiment is without limitation, with specific reference to being actually needed setting.
Fig. 4 is the first stator or the second stator structure schematic diagram in the present embodiment one.In the He of the first stator of the present embodiment 51
In a kind of possible implementation of second stator 52, as shown in Figure 2 and Figure 4, first stator 51 and second of the present embodiment is fixed
Son 52 includes support 504 and coil 503, and support 504 is formed by stacking by silicon steel, and is formed at least one pole shoe, each pole shoe
Coil 503 is arranged with, and one end of the first stator 51 and the second stator 52 is provided with the first stator baffle plate 501, first
The other end of the stator 52 of stator 51 and second is provided with the second stator baffle plate 502.
In a kind of possible implementation of the present embodiment the first mover 61 and the second mover 62, (Fig. 5 as shown in Figure 5
For the first mover in the present embodiment one or the second Structure of mover schematic diagram).
Specifically, as shown in Figure 2 and Figure 5, first mover 61 and the second mover 62 of the present embodiment include mover support
601st, the mover iron core 602 on mover support 601, and the magnet 603 being connected with mover iron core 602 are fixedly installed on, meanwhile,
First mover 61 of the present embodiment and one end of the second mover 62 are provided with the first mover end plate 604, the first mover 61 and second
The other end of mover 62 is provided with the second mover end plate 605.
Optionally, as shown in figure 3, the bottom of the first piston 30 of the present embodiment and the bottom of the second piston 40 are all provided with
At least one breather cheek valve 13 is put, the individual event intake valve is closed in corresponding piston gas-pressing, opened in piston air-breathing.Example
Such as when first piston 30 calms the anger 40 air-breathing of second piston, the breather cheek valve 13 on first piston 30 is closed so that first lives
Plug 30 extrudes the gas in the first cylinder 10, and the breather cheek valve 13 in corresponding second piston 40 is opened so that second lives
Low-pressure gas is input in the second cylinder 20 by plug 40 by the breather cheek valve 13.
With continued reference to shown in Fig. 3, first row is provided between first cylinder 10 and second cylinder 20 of the present embodiment
Valve plate 70 and second exhaust valve plate 71, the first exhaust valve plate 70 pass through compression spring 72 with the second exhaust valve plate 71
Connection, the first exhaust valve plate 70 is pressed on the exhaust outlet of first cylinder 10 under the pressure of the compression spring 72
On, the second exhaust valve plate 71 is pressed under the pressure of the compression spring 72 on the exhaust outlet of second cylinder 20.
The first piston 30 and second piston 40 of the present embodiment share a discharge chamber 103, so reduce compressor number of components and
Structural complexity.
In real work, when first piston 30 calms the anger 40 air-breathing of second piston, first piston 30 is by the first cylinder 10
In gas extrusion, the pressure rise of gas in the first cylinder 10.When the pressure of gas is more than compression spring 72 to first exhaust
During the elastic force of valve plate 70, gas opens the first exhaust valve plate 70 being pressed on the exhaust outlet of the first cylinder 10 top, the first cylinder 10
In gas enter discharge chamber 103.Now, the air-breathing of second piston 40, second piston 40 is by breather cheek valve 13 by low pressure gas
Body is sucked in the second cylinder 20, because the gas pressure in the second cylinder 20 is less than compression spring 72 to second exhaust valve plate 71
Elastic force, therefore second exhaust valve plate 71 is pressed under the elastic force of compression spring 72 on the exhaust outlet of second cylinder 20.When first
When the air-breathing second piston 40 of piston 30 is calmed the anger, the opposite operation principle of both working conditions is same as described above, reference foregoing description,
This is repeated no more.
Fig. 6 is the connection signal of support cylinder and muffler in the linear oilless (oil free) compressor that the embodiment of the present invention two is provided
Figure.On the basis of above-described embodiment, as shown in Figures 1 to 6, the compressor of the present embodiment also includes support cylinder 80, the machine
Steam vent 84 is provided with the middle part of the side wall of seat cylinder 80, first cylinder 10 is plugged in one end of the support cylinder 80, described
Second cylinder 20 is plugged in the other end of the support cylinder 80, the first exhaust valve plate 70 and the second exhaust valve plate 71
Positioned at the middle part of support cylinder 80, and, the first exhaust valve plate 70 and the second exhaust just right with the steam vent 84
Inwall gap of the valve plate 71 respectively with support cylinder 80 cooperatively forms discharge chamber 103.
First cylinder 10 of the present embodiment can pass through welding, threaded connection, key connection, pin connection or above-mentioned each connection
Combination it is fixed be plugged in one end of support cylinder 80, similarly the second cylinder 20 can also pass through welding, threaded connection, key and connect
Connect, pin connection or the above-mentioned combination respectively connected are fixed and be plugged in the other end of support cylinder 80, the present embodiment is to the first cylinder
10th, the second cylinder 20 is not limited with the mode that is fixedly connected of support cylinder 80.Now, first exhaust valve plate 70 and second row air valve
Plate 71 is placed exactly in the middle part of support cylinder 80, and just right with the steam vent 84 of support cylinder 80.The first exhaust valve plate 70 and second
Gap coordinates between being vented the inwall of valve plate 71 and support cylinder 80, and then forms discharge chamber 103, the first cylinder 10 and the second cylinder
Gas in 20 is discharged into the discharge chamber 103, then is discharged by the steam vent 84 of support cylinder 80.
Optionally, as shown in Figure 1, Figure 2 with shown in Fig. 6, the compressor of the present embodiment also includes muffler 90, the muffler 90
Side wall on be provided with the blast pipe 91 connected with the inner chamber of the muffler 90, the muffler 90 is set in the support cylinder
On 80 side wall, the blast pipe 91 and the steam vent 84 just pair and are connected.
Wherein, blast pipe 91 is integrally formed (method such as by casting) with the side wall of muffler 90, optionally, may be used also
To set a through hole on the side wall of muffler 90, blast pipe 91 is fixed in the through hole by the sealing of the methods such as welding.
The present embodiment is by the way that muffler 90 is set on the side wall of support cylinder 80 so that the compact conformation of compressor, subtracts
The small volume of compressor.Gas in discharge chamber 103 is discharged by the steam vent 84 and blast pipe 91 of support cylinder 80, and is stretched out
The blast pipe 91 of setting is convenient to be connected with other equipment, so that the gases at high pressure for crossing compressor compresses are drained into other equipment
In, and then improve the ease of use of compressor.
Optionally, as shown in Figure 2 and Figure 6, the compressor of the present embodiment also includes the first support end plate 81 and the second support
End plate 82, the first support end plate 81 is fixedly installed on one end of support cylinder 80, and is connected with the first stator baffle plate 501.Second
Support end plate 82 is fixedly installed on the other end of support cylinder 80, and is connected with the second stator baffle plate 502.First mover end plate
604 are pressed on the first support end plate 81, and one end with first piston 30 and mover support 601 is connected respectively.Second mover
End plate 605 is pressed on the second support end plate 82, and the other end with second piston 40 and mover support 601 is connected respectively.This
Knot of the embodiment to the first support end plate 81, the second support end plate 82 and the first mover end plate 604 and the second mover end plate 605
Structure is not limited, with specific reference to being actually needed setting.
In a kind of possible mounting means of the present embodiment, the present embodiment can be fixed the first cylinder 10 by bolt
In one end of support cylinder 80, the second cylinder 20 is fixed on to the other end of support cylinder 80.Then, first piston 30 is set in
In one cylinder 10, second piston 40 is set in the second cylinder 20, it is necessary to illustrate, first piston 30 is in the first cylinder 10
Middle to move back and forth, without departing from the first cylinder 10, same second piston 40 is also without departing from the second cylinder 20.Then, use
First support end plate 81 is fixed on the first cylinder 10 by bolt, and the second support end plate 82 is fixed on the second cylinder 20.Again
First stator baffle plate 501 is pressed on the first support end plate 81, and using bolt is by the first stator baffle plate 501 and stretches out the first machine
The first piston 30 of the seat through hole of end plate 81 is connected, and similarly, the second stator baffle plate 502 is pressed on into the second support end plate 82, and make
The second stator baffle plate 502 is connected with stretching out the second piston 40 of the through hole of the second support end plate 82 with bolt.Then, first is moved
Son 61 is located at the side of support cylinder 80, and the second mover 62 is located to the opposite side of support cylinder 80.First is moved using bolt
Sub- end plate 604 is connected with one end of mover support 601, and the second mover end plate 605 is connected with the other end of mover support 601.
The first stator 51 is finally located at the outside of the first mover 61, the second stator 52 outside of the second mover 62 is located at, and use
First stator baffle plate 501 is connected by bolt with the first support end plate 81, and the second stator baffle plate 502 is connected with the second support end plate 82
Connect, and then complete the installation of whole compressor.
Optionally, in order to further improve the stable operation of compressor, the present embodiment is also in the first support end plate 81 and
Multiple balancing springs are provided between one mover end plate 604, and between the second support end plate 82 and the second mover end plate 605
83。
In a kind of possibility implementation of gas lubrication of the present embodiment, as shown in figure 3, first cylinder of the present embodiment
Be provided with multiple air supporting shallow cavities 101 with throttle orifice on the side wall of 10 side wall and the second cylinder 20, support cylinder 80 it is interior
Wall forms runner 102, runner 102 and each air supporting shallow cavity between the side wall of the first cylinder 10 and the side wall of the second cylinder 20 respectively
101 connections.In gas press-in air supporting shallow cavity 101 in runner 102, in the side wall and the inwall of the first cylinder 10 of first piston 30
Between, and between the side wall of second piston 40 and the inwall of the first cylinder 10 form air cushion.
Specifically, as shown in figure 3, the runner 102 is connected with discharge chamber 103, the gases at high pressure in discharge chamber 103 enter to become a mandarin
Road 102.Again because runner 102 is connected with each air supporting shallow cavity 101, then gases at high pressure are pressed into each air supporting shallow cavity 101 from runner 102
In, air cushion is formed on the side wall of first piston 30 and the side wall of second piston 40, effectively can be reduced between piston and cylinder
Friction, and then improve the service life of compressor.Meanwhile, the lubricating system of the present embodiment, the gases at high pressure discharged using itself
As lubrication gas, the structure and volume of compressor are further simplify, the energy saving of compressor is improved.
Compressor shown in the present embodiment Fig. 3 is single-stage compressor, i.e., (first lives one compression chamber of the correspondence of first piston 30
Cavity between the bottom of plug 30 and first exhaust valve plate 70), one compression chamber (bottom of first piston 30 of the correspondence of second piston 40
Cavity between portion and first exhaust valve plate 70).Its is simple in construction for the compressor of the structure, can meet most requirement.
Fig. 7 is the two-stage compression schematic diagram for the linear oilless (oil free) compressor that the embodiment of the present invention three is provided.As shown in fig. 7,
The first piston 30 and the second piston 40 of the present embodiment include one-level air reservoir 11, the side wall of the first piston 30 and institute
Formed respectively between the inwall for stating the inwall of the first cylinder 10 and the side wall of the second piston 40 and second cylinder 20
The one-level intake valve connected with the one stage of compression chamber 12 is provided with one stage of compression chamber 12, the side wall of the one stage of compression chamber 12
14 and one-level air bleeding valve 15, the bottom of the first piston 30 and the first exhaust valve plate 70 and the second piston 40
Bottom and the second exhaust valve plate 71 between form two-stage compression chamber 16 respectively, the one-level air bleeding valve 15 and the one-level
Air reservoir 11 is connected, and the breather cheek valve 13 is connected with the one-level air reservoir 11 and the two-stage compression chamber 16 respectively, and described one
Level intake valve 14 and the one-level air bleeding valve 15 be check valve.
Specifically, as shown in figure 5, the symmetrical configuration of first piston 30 and second piston 40, the side wall of first piston 30 with
There is an annular one stage of compression chamber 12, the side wall and the second gas of corresponding second piston 40 between the inwall of first cylinder 10
Also there is an annular one stage of compression chamber 12 between the inwall of cylinder 20.One-level is provided with the side wall of the one stage of compression chamber 12
Intake valve 14 and one-level air bleeding valve 15, wherein one-level intake valve 14 are connected with one-level air reservoir 11 and one stage of compression chamber 12 respectively,
Low-pressure gas when the one-level intake valve 14 is opened in air reservoir can enter in one stage of compression chamber 12.One-level air bleeding valve 15 respectively with
One-level air reservoir 11 is connected with one stage of compression chamber 12, when one-level air bleeding valve 15 is opened, and the gas in one stage of compression chamber 12 can enter
Enter in one-level air reservoir 11.
The operation principle of the split-compressor of the present embodiment is, when first piston 30 calms the anger 40 air-breathing of second piston, the
The action of each part is in one piston 30：One-level intake valve 14 is closed, and one-level air bleeding valve 15 and breather cheek valve 13 are opened, and one
In gas press-in one-level air reservoir 11 in level compression chamber 12, the gas in one-level air reservoir 11 is pressed into two grades by breather cheek valve 13
In compression chamber 16, and the press-in discharge chamber 103 from two-stage compression chamber 16.Corresponding, the action of each part is in first piston 30：
One-level intake valve 14, one-level air bleeding valve 15 and breather cheek valve 13 are opened, and low-pressure gas is inhaled into by one-level air bleeding valve 15
In one stage of compression chamber 12, the gas in one stage of compression chamber 12 is inhaled into one-level air reservoir 11 by one-level air bleeding valve 15, one-level gas
Gas is inhaled into two-stage compression chamber 16 by breather cheek valve 13 in storehouse 11, and then completes air-breathing.When the air-breathing of first piston 30
When second piston 40 is calmed the anger, its operation principle is contrary to the above, with reference to foregoing description.
Split-compressor described in the present embodiment can apply to the occasion of big compression ratio, and then improve making for compressor
Use scope.
Finally it should be noted that：Various embodiments above is only to the technical scheme for illustrating the embodiment of the present invention, rather than to it
Limitation；Although the embodiment of the present invention is described in detail with reference to foregoing embodiments, one of ordinary skill in the art
It should be understood that：It can still modify to the technical scheme described in foregoing embodiments, or to which part or
All technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this hair
The scope of bright embodiment technical scheme.
Claims (10)
1. a kind of linear oilless (oil free) compressor, it is characterised in that including：First cylinder and first cylinder are just to setting
Second cylinder, first piston and second piston；The first piston is set in first cylinder, and with first cylinder
Gas lubrication, the second piston is set in second cylinder, and is lubricated with second cylinder gas；
The first piston is moved in the same direction with the second piston, and when the first piston air-breathing, the second piston is calmed the anger,
The second piston air-breathing when the first piston is calmed the anger.
2. compressor according to claim 1, it is characterised in that the compressor also includes stator module and mover group
Part, the mover assembly is located at the outside of first cylinder and second cylinder respectively, and the stator module is located at
The outside of the mover assembly；
The stator module and the mover assembly drive the first piston to be moved reciprocatingly with the second piston.
3. compressor according to claim 2, it is characterised in that the mover assembly includes symmetrically arranged first mover
With the second mover, the stator module includes symmetrically arranged first stator and the second stator；
First mover is located at the outer wall side of first cylinder and second cylinder, second mover point respectively
The outer wall opposite side of first cylinder and second cylinder is not located at, and first stator is located at first mover
Outside, second stator is located at the outside of second mover.
4. compressor according to claim 3, it is characterised in that first stator, second stator, described first
Mover and second mover are semicircular arc.
5. compressor according to claim 4, it is characterised in that the bottom of the first piston and the second piston
Bottom is respectively provided with least one breather cheek valve.
6. compressor according to claim 5, it is characterised in that set between first cylinder and second cylinder
There are first exhaust valve plate and second exhaust valve plate, the first exhaust valve plate is connected with the second exhaust valve plate by compression spring
Connect, the first exhaust valve plate is pressed under the pressure of the compression spring on the exhaust outlet of first cylinder, described
Two exhaust valve plates are pressed under the pressure of the compression spring on the exhaust outlet of second cylinder.
7. compressor according to claim 6, it is characterised in that the compressor also includes support cylinder, the support cylinder
Side wall in the middle part of be provided with steam vent, first cylinder is plugged in one end of the support cylinder, and second cylinder is plugged in
The other end of the support cylinder, the first exhaust valve plate and the second exhaust valve plate are located at the middle part of support cylinder, and
It is just right with the steam vent, the inwall gap of the first exhaust valve plate and the second exhaust valve plate respectively with support cylinder
Cooperatively form discharge chamber.
8. compressor according to claim 7, it is characterised in that the compressor also includes muffler, the muffler
Side wall on be provided with the blast pipe connected with the inner chamber of the muffler, the muffler is set in the side wall of the support cylinder
On, the blast pipe is with the steam vent just to connecting.
9. the compressor according to claim 7 or 8, it is characterised in that the side wall of first cylinder and second gas
Be provided with multiple air supporting shallow cavities with throttle orifice on the side wall of cylinder, the inwall of the support cylinder respectively with first cylinder
Side wall and second cylinder side wall between form runner, the runner is connected with the air supporting shallow cavity；
Gas in the runner is pressed into the air supporting shallow cavity, in the side wall and first cylinder of the first piston
Air cushion is formed between wall, and between the side wall of the second piston and the inwall of first cylinder.
10. compressor according to claim 9, it is characterised in that the first piston and the second piston include
One-level air reservoir, the side wall of the first piston and the inwall of first cylinder and the side wall of the second piston with it is described
Formed and be provided with one stage of compression chamber, the side wall of the one stage of compression chamber and the one-level pressure respectively between the inwall of second cylinder
The one-level intake valve and one-level air bleeding valve of contracting chamber connection, the bottom of the first piston and the first exhaust valve plate, Yi Jisuo
State and form two-stage compression chamber between the bottom of second piston and the second exhaust valve plate respectively, the one-level air bleeding valve with it is described
One-level air reservoir is connected, and the breather cheek valve is connected with the one-level air reservoir and the two-stage compression chamber respectively, and described one is grading
Air valve and the one-level air bleeding valve are check valve；
When the first piston calms the anger the second piston air-breathing, the one-level intake valve of the first piston is closed, and described the
The one-level air bleeding valve and breather cheek valve of one piston are opened, and the first piston is by the gas pressure in corresponding one stage of compression chamber
In the one-level air reservoir for entering the first piston, the gas in the one-level air reservoir is pressed into by single intake valve of the first piston
In the two-stage compression chamber of the first piston, and it is pressed into from the two-stage compression chamber of the first piston in the discharge chamber；It is right
Answer, one-level intake valve, one-level air bleeding valve and the breather cheek valve of the second piston are opened, low-pressure gas passes through described
The one-level air bleeding valve of two pistons is drawn into the one stage of compression chamber of the second piston, and the gas in the one stage of compression chamber passes through
The one-level air bleeding valve of the second piston is sucked in the one-level air reservoir of the second piston, and gas passes through institute in the one-level air reservoir
The breather cheek valve for stating second piston is sucked in the two-stage compression chamber of the second piston.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710407506.8A CN107313925B (en) | 2017-06-02 | 2017-06-02 | Linear oilless (oil free) compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710407506.8A CN107313925B (en) | 2017-06-02 | 2017-06-02 | Linear oilless (oil free) compressor |
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| CN107313925A true CN107313925A (en) | 2017-11-03 |
| CN107313925B CN107313925B (en) | 2019-08-13 |
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| US20070286751A1 (en) * | 2006-06-12 | 2007-12-13 | Tecumseh Products Company | Capacity control of a compressor |
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| CN103122837A (en) * | 2013-03-07 | 2013-05-29 | 浙江大学 | Linear compressor supported by three kinds of springs |
| CN103629082A (en) * | 2012-08-24 | 2014-03-12 | Lg电子株式会社 | Reciprocating compressor |
| CN104806471A (en) * | 2015-04-30 | 2015-07-29 | 中国电子科技集团公司第十六研究所 | Opposed gas bearing linear compressor |
| CN106382198A (en) * | 2016-11-15 | 2017-02-08 | 深圳市兆业电子科技有限公司 | Permanent magnet linear double-cylinder compressor |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04209978A (en) * | 1990-12-07 | 1992-07-31 | Daikin Ind Ltd | Linear motor compressor |
| CN1412433A (en) * | 2001-10-12 | 2003-04-23 | Lg电子株式会社 | Two-sided action reciprocating compressor |
| US20070286751A1 (en) * | 2006-06-12 | 2007-12-13 | Tecumseh Products Company | Capacity control of a compressor |
| CN101182837A (en) * | 2007-11-30 | 2008-05-21 | 西安交通大学 | Double-acting free-piston type expansion-compression unit |
| CN103629082A (en) * | 2012-08-24 | 2014-03-12 | Lg电子株式会社 | Reciprocating compressor |
| CN103122837A (en) * | 2013-03-07 | 2013-05-29 | 浙江大学 | Linear compressor supported by three kinds of springs |
| CN104806471A (en) * | 2015-04-30 | 2015-07-29 | 中国电子科技集团公司第十六研究所 | Opposed gas bearing linear compressor |
| CN106382198A (en) * | 2016-11-15 | 2017-02-08 | 深圳市兆业电子科技有限公司 | Permanent magnet linear double-cylinder compressor |
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| Publication number | Publication date |
|---|---|
| CN107313925B (en) | 2019-08-13 |
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Effective date of registration: 20220816 Address after: 518110 101, floor 1, building A2, silicon valley power automotive electronics Pioneer Park, No. 334, Guiyue Road, Dafu community, Guanlan street, Longhua District, Shenzhen, Guangdong Patentee after: ZHONGKE LIHAN (SHENZHEN) LOW TEMPERATURE TECHNOLOGY CO.,LTD. Address before: Room 301, 3rd Floor, Building 4, Pingshan Private Enterprise Science and Technology Park, Taoyuan Street, Nanshan District, Shenzhen, Guangdong 518055 Patentee before: LIHAN THERMOACOUSTIC TECHNOLOGIES (SHEN ZHEN) Co.,Ltd. |
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