CN202645925U - Pneumatic type refrigeration medium compressor - Google Patents
Pneumatic type refrigeration medium compressor Download PDFInfo
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- CN202645925U CN202645925U CN 201220191217 CN201220191217U CN202645925U CN 202645925 U CN202645925 U CN 202645925U CN 201220191217 CN201220191217 CN 201220191217 CN 201220191217 U CN201220191217 U CN 201220191217U CN 202645925 U CN202645925 U CN 202645925U
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Abstract
The utility model belongs to the technical field of refuge survival equipment, and particularly relates to a pneumatic type refrigeration medium compressor. The pneumatic type refrigeration medium compressor comprises a pneumatic motor (1) and a compressor body (2), wherein the compressor body (2) comprises a compressor mechanism working cavity (3) and a refrigeration medium flow chamber (4) which comprises a low-pressure refrigeration medium flow chamber (16) and a high-pressure refrigeration medium flow chamber (17). A first air cylinder (5) and a second air cylinder (6) are installed inside the compressor mechanism working cavity (3), the first air cylinder is provided with a first inlet valve (12) and a first exhaust valve (13), the second air cylinder is provided with a second inlet valve (14) and a second exhaust valve (15), the first inlet valve (12) and the second inlet valve (14) are communicated with the low-pressure refrigerant flow chamber (16), and the first exhaust valve (13) and the second exhaust valve (15) are communicated with the high-pressure refrigeration medium flow chamber (17). The pneumatic type refrigeration medium compressor has high efficiency, safety and reliability, and long service life.
Description
Technical field
Mining industry shelter and lifesaving apparatus field under the utility model possession relates in particular to a kind of cooling system for enclosed underground life cabin pneumatic type refrigerant compressor.
Background technique
The mine emergency refuging cabin is a kind of self-rescue escape device that waits for rescue for the underground emergency hedging.The emergency-sheltering cabin is positioned near the getting working face, under coal mine, happen suddenly Gas Outburst, coal burst, cave in or the accident such as fire, distress personnel immediately gug escape in down-hole is escaped danger in emergency circumstances when mine passage obstruction or electrical source of power outage, can enter in the refuge cabin fast to wait for rescue.
Because above-mentioned accident exists that collapsing force is large, accident cause is complicated and easily causes the characteristics such as Secondary cases accident, the external world can't in time launch rescue after mine disaster occured.And the down-hole has been because the poisoning that brings of accident, suffocating, drown etc. has consisted of " No.1 killer ", and most casualtiess all are because the miner that gets into danger can not in time find safe refuge to cause.Therefore the miner that will get into danger is converted into " initiatively save oneself and combine with external rescue " by " passive fallback ", place in the mine down-hole work surface possess resistance to compression, gas defence, heat insulation and can provide the mine emergency refuging cabin of necessary conditions of existence to become inevitable.
The mine emergency refuging cabin is by the artificial ventilation unit, and gas is finished cabin body circularly purifying and temperature control through environmental gas clean unit and cabin body cooling system in the cabin.In the refrigeration system of mine emergency refuging cabin, vaporizer, condenser, compressor and throttle valve are requisite four large parts in the refrigeration system, and vaporizer is the equipment of carrying cold in the middle of this.Refrigeration agent absorbs therein the heat of the object that is cooled and realizes refrigeration.Compressor is heart, plays a part suction, compression, refrigerant conveying steam.
At present, domestic there is no held many people, and oxygen supply is more than 72 hours continuously, and personnel to be rescued need not to wear face shield in the body of cabin, the suitable and safe and reliable cooling system for enclosed underground life cabin of living environment temperature pneumatic type refrigerant compressor.
The model utility content
The utility model is intended to overcome the deficiencies in the prior art part and provides a kind of processing simple, and high working efficiency is safe and reliable, the pneumatic type refrigerant compressor of long service life.
For solving the problems of the technologies described above, the utility model is to realize like this.
A kind of pneumatic type refrigerant compressor, it comprises pneumatic motor and compressor body; Described compressor body comprises compressing mechanism active chamber and the refrigerant flow cavity of being furnished with low pressure refrigerant entrance.
Described refrigerant flow cavity comprises low pressure refrigerant flow cavity and is furnished with the high-pressure refrigeration media flow chamber of high-pressure refrigeration media outlet; Described low pressure refrigerant flow cavity communicates with the compressing mechanism active chamber.
Laterally be provided with bent axle in the described compressing mechanism active chamber; The clutch end of described pneumatic motor and the power intake of bent axle join.
Also vertically be provided with successively the first cylinder and the second cylinder in the described compressing mechanism active chamber; Insert successively the first reciprocating motion type piston and the second reciprocating motion type piston in described the first cylinder and the second cylinder; The second driveshaft of the first driveshaft of described the first reciprocating motion type piston and the second reciprocating motion type piston connects with the connecting rod neck activity of bent axle respectively.
Described the first cylinder is provided with the first intake valve and first row valve; Described the second cylinder is provided with the second intake valve and second row valve; During suction condition, described the first intake valve and the second intake valve communicate with low pressure refrigerant flow cavity respectively; During compressive state, described first row valve and second row valve communicate with high-pressure refrigeration media flow chamber respectively.
As a kind of preferred version, pneumatic motor described in the utility model comprises suction port, air outlet, centrifugal film, motor stator and the eccentric motor rotor of being located in the motor stator; Have the centrifugal film fitting recess at described motor rotor; Described centrifugal film is inserted in the centrifugal film fitting recess and can radially be moved; Described suction port and air outlet communicate with the motor stator chamber.
As another kind of preferred version, the cross section in motor stator described in the utility model chamber is oval.
The utility model processing is simple, safe and reliable, sucks the compression work pattern by adopting the twin-tub alternate type, has improved the working efficiency of system.In addition owing to adopting pneumatic motor as power source, when happen suddenly under the coal mine Gas Outburst, coal burst, cave in or during the accident such as fire, the problem that the utility model can the mine emergency refuging cabin normal operation when outage of fine solution electrical source of power.Secondly, the release of centrifugal film only is the effect of centrifugal force in the utility model pneumatic motor, and is limited with the degree of wear of stator cavity inwall, thereby the working life of having improved pneumatic motor.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the utility model pneumatic motor sectional drawing.
Among the figure: 1, pneumatic motor; 2, compressor body; 3, compressing mechanism active chamber; 4, refrigerant flow cavity; 5, the first cylinder; 6, the second cylinder; 7, the first reciprocating motion type piston; 8, the second reciprocating motion type piston; 9, the first driveshaft; 10, the second driveshaft; 11, bent axle; 12, the first intake valve; 13, first row valve; 14, the second intake valve; 15, second row valve; 16, low pressure refrigerant flow cavity; 17, high-pressure refrigeration media flow chamber; 18, low pressure refrigerant entrance; 19, high-pressure refrigeration media outlet; 20, motor stator; 21, motor rotor; 22, centrifugal film fitting recess; 23, centrifugal film; 24, suction port; 25, air outlet; 26, motor stator chamber; 27, crankshaft bearing; 28, inlet and exhaust valve.
Embodiment
As shown in the figure, a kind of pneumatic type refrigerant compressor, it comprises pneumatic motor 1 and compressor body 2; Described compressor body 2 comprises compressing mechanism active chamber 3 and the refrigerant flow cavity 4 of being furnished with low pressure refrigerant entrance 18.
Described refrigerant flow cavity 4 comprises low pressure refrigerant flow cavity 16 and is furnished with the high-pressure refrigeration media flow chamber 17 of high-pressure refrigeration media outlet 19; Described low pressure refrigerant flow cavity 16 communicates with compressing mechanism active chamber 3.
The described compressing mechanism active chamber 3 interior bent axles 11 that laterally are provided with; The power intake of the clutch end of described pneumatic motor 1 and bent axle 11 joins.
Also vertically be provided with successively the first cylinder 5 and the second cylinder 6 in the described compressing mechanism active chamber 3; Insert successively the first reciprocating motion type piston 7 and the second reciprocating motion type piston 8 in described the first cylinder 5 and the second cylinder 6; The first driveshaft 9 of described the first reciprocating motion type piston 7 and the second driveshaft 10 of the second reciprocating motion type piston 8 connect with the connecting rod neck activity of bent axle 11 respectively.
Described the first cylinder 5 is provided with the first intake valve 12 and first row valve 13; Described the second cylinder 6 is provided with the second intake valve 14 and second row valve 15; During suction condition, described the first intake valve 12 and the second intake valve 14 communicate with low pressure refrigerant flow cavity 16 respectively; During compressive state, described first row valve 13 and second row valve 15 communicate with high-pressure refrigeration media flow chamber 17 respectively.
Referring to Fig. 2, pneumatic motor 1 described in the utility model comprises suction port 24, air outlet 25, centrifugal film 23, motor stator 20 and the eccentric motor rotor 21 of being located in the motor stator 20; Have centrifugal film fitting recess 22 at described motor rotor 21; Described centrifugal film 23 is inserted in the centrifugal film fitting recess 22 and can radially be moved; Described suction port 24 and air outlet 25 communicate with motor stator chamber 26.
According to the actual design needs, the cross section in motor stator described in the utility model chamber 26 can adopt ellipse.
The single-stage vapor compression refrigeration system generally is comprised of refrigeration compressor, condenser, vaporizer and four basic elements of character of throttle valve.Connect successively with pipeline between them, form an airtight system, refrigeration agent constantly circulates in system, and change of state occurs, and carries out exchange heat with the external world.
Liquid refrigerant absorbs in vaporizer after the object heat that is cooled, be vaporized into the steam of low-temp low-pressure, sucked, be compressed into by compressor enter condenser behind the steam of high pressure-temperature, in condenser to cooling medium (water or air) heat release, be condensed into highly pressurised liquid, be the refrigeration agent of low-pressure low-temperature, again enter vaporizer heat absorption vaporization through the throttle valve throttling, reach the purpose of circularly cooling.Like this, refrigeration agent is finished a refrigeration cycle through pervaporation, compression, condensation, four elementary processes of throttling in system.
The utility model is when concrete the use, at first start pneumatic motor 1, the outputting power of pneumatic motor 1 reaches bent axle 11 by pto＝power take-off, and bent axle 11 is by the first driveshaft 9 and the second driveshaft 10 drives the first reciprocating motion type piston 7 and the second reciprocating motion type piston 8 moves back and forth in corresponding cylinder.The low pressure refrigerant enters compressing mechanism active chamber 3 from low pressure refrigerant entrance 18, enters respectively in the first cylinder 5 or the second cylinder 6 that is in suction condition through the first intake valve 12 or the second intake valve 14 again.When the first cylinder 5 or the second cylinder 6 are in compressive state, the low pressure refrigerant is depressed into respectively in the high-pressure refrigeration media flow chamber 17 by first row valve 13 or second row valve 15 through the first reciprocating motion type piston 7 or the second reciprocating motion type piston 8, and last high-pressure refrigeration medium is discharged through high-pressure refrigeration media outlet 19 again.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (3)
1. a pneumatic type refrigerant compressor is characterized in that, comprises pneumatic motor (1) and compressor body (2); Described compressor body (2) comprises compressing mechanism active chamber (3) and the refrigerant flow cavity (4) of being furnished with low pressure refrigerant entrance (18);
Described refrigerant flow cavity (4) comprises low pressure refrigerant flow cavity (16) and is furnished with the high-pressure refrigeration media flow chamber (17) of high-pressure refrigeration media outlet (19); Described low pressure refrigerant flow cavity (16) communicates with compressing mechanism active chamber (3);
Laterally be provided with bent axle (11) in the described compressing mechanism active chamber (3); The power intake of the clutch end of described pneumatic motor (1) and bent axle (11) joins;
Also vertically be provided with successively the first cylinder (5) and the second cylinder (6) in the described compressing mechanism active chamber (3); Insert successively the first reciprocating motion type piston (7) and the second reciprocating motion type piston (8) in described the first cylinder (5) and the second cylinder (6); Second driveshaft (10) of first driveshaft (9) of described the first reciprocating motion type piston (7) and the second reciprocating motion type piston (8) connects with the connecting rod neck activity of bent axle (11) respectively;
Described the first cylinder (5) is provided with the first intake valve (12) and first row valve (13); Described the second cylinder (6) is provided with the second intake valve (14) and second row valve (15); During suction condition, described the first intake valve (12) and the second intake valve (14) communicate with low pressure refrigerant flow cavity (16) respectively; During compressive state, described first row valve (13) and second row valve (15) communicate with high-pressure refrigeration media flow chamber (17) respectively.
2. pneumatic type refrigerant compressor according to claim 1 is characterized in that: described pneumatic motor (1) comprises that suction port (24), air outlet (25), centrifugal film (23), motor stator (20) and off-centre is located at the motor rotor (21) in the motor stator (20); Have centrifugal film fitting recess (22) at described motor rotor (21); Described centrifugal film (23) is inserted in the centrifugal film fitting recess (22) and can radially be moved; Described suction port (24) and air outlet (25) communicate with motor stator chamber (26).
3. pneumatic type refrigerant compressor according to claim 2 is characterized in that: the cross section in described motor stator chamber (26) is for oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220191217 CN202645925U (en) | 2012-05-02 | 2012-05-02 | Pneumatic type refrigeration medium compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220191217 CN202645925U (en) | 2012-05-02 | 2012-05-02 | Pneumatic type refrigeration medium compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202645925U true CN202645925U (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220191217 Expired - Fee Related CN202645925U (en) | 2012-05-02 | 2012-05-02 | Pneumatic type refrigeration medium compressor |
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| Country | Link |
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| CN (1) | CN202645925U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782054A (en) * | 2014-12-25 | 2016-07-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
-
2012
- 2012-05-02 CN CN 201220191217 patent/CN202645925U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782054A (en) * | 2014-12-25 | 2016-07-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
| CN105782054B (en) * | 2014-12-25 | 2018-11-27 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20150502 |
|
| EXPY | Termination of patent right or utility model |