CN100494679C - Pressure ratio continuously-variable small-displacement gas compressor device - Google Patents
Pressure ratio continuously-variable small-displacement gas compressor device Download PDFInfo
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- CN100494679C CN100494679C CNB2006101482295A CN200610148229A CN100494679C CN 100494679 C CN100494679 C CN 100494679C CN B2006101482295 A CNB2006101482295 A CN B2006101482295A CN 200610148229 A CN200610148229 A CN 200610148229A CN 100494679 C CN100494679 C CN 100494679C
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- air
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Abstract
The invention relates to an air compressing device with small displacement and stepless adjustable compression ratio, belonging to the compressor technology in mechanical engineering area, comprising low-pressure cylinder, compressor, high-pressure cell, controller, air transmission valve, air coming valve, air inlet valve and air outlet valve. Thereinto, the high-pressure cell comprises four high-pressure cylinders, three electric butterfly valves, pressure sensor, inputting valve and outputting valve. The compressor compresses the air in low-pressure cylinder and inputs it into the high-pressure cell; after the controller receives the pressure signal from pressure sensor, it controls actions of various electric butterfly valves; by the effect of various high-pressure cylinders the air achieves the determined pressure and is outputted. The air compressing device in invention is small, light, compact and convenience for installing. It not only achieves very high compression ratio but also changes the compression ratio in stepless continuously. It is applied in aviation, navigation and underwater work. It is provided with comparative application range and obvious practicability.
Description
Technical field
The present invention relates to a kind of small-displacement gas compressor device, the adjustable small-displacement gas compressor device of especially a kind of pressure ratio continuously belongs to the Compressor Technology in the mechanical engineering field.
Background technique
In engineering practice, need the discharge capacity of gas compressor very little sometimes, pressure ratio is very high and pressure ratio can be stepless adjustable.In addition, also can be on the engineering to the compactness of the volume of gas compressor and structure, light higher requirement is arranged, so that arrange and running at narrow space.In the prior art, the patent No. is " a kind of hand-held gas compressor " utility model patent of 200420079298.1, be a kind of small-sized, with pulling moving tommy bar to promote the portable gas compressor of piston, pressure ratio is very low, can not change, can only be used for the cleaning of dust on the parts.The patent No. is " a kind of clearance pocket has the gas compressor of variable volume and changes the device of this clearance pocket " patent of invention of 92112066.4, be with adjusting the reciprocal of centre bolt to change the gas compressor of clearance pocket volume, the position of inlet and outlet valve can be finely tuned easily, but the pressure ratio of gas compressor can not be changed.In the data that document provides, there is not content about little discharge capacity, transformation ratio gas compressor.
Summary of the invention
In order to overcome the deficiencies in the prior art and defective, the invention provides the adjustable small-displacement gas compressor device of a kind of pressure ratio continuously.It is very little that this device is specially adapted to displacement, and the compression back requires to reach the operating mode that very high pressure, pressure ratio can change in certain scope.In device of the present invention, the volume of gas compressor own is very small and exquisite, light, and supplementary aid is also simplified very much, relies on the effect of control system, and whole device is finished the work harmoniously.
The present invention is achieved through the following technical solutions.The present invention includes: hang down pressure cylinder, gas compressor, high voltage unit, controller, air delivery valve, come air valve, suction valve, outlet valve.Wherein, high voltage unit comprises: the high pressure cylinder of A, the high pressure cylinder of B, the high pressure cylinder of C, the high pressure cylinder of D, A electric butterfly valve, B electric butterfly valve, C electric butterfly valve, pressure transducer, input air valve, output air valve.
Come air valve to be installed in the suction port place of low pressure cylinder, air delivery valve is installed in the place, air outlet of low pressure cylinder, suction valve is installed in the suction port place of gas compressor, outlet valve is installed in the place, air outlet of gas compressor, the input air valve is installed in the suction port place of the high pressure cylinder of A, the output air valve is installed in the place, an air outlet of the high pressure cylinder of A, pressure transducer is installed on the internal face of the high pressure cylinder of A, the A electric butterfly valve is installed between the suction port of another air outlet of the high pressure cylinder of A and the high pressure cylinder of B, the B electric butterfly valve is installed between the suction port of the air outlet of the high pressure cylinder of B and the high pressure cylinder of C, between the suction port of the C that the C electric butterfly valve is installed in high pressure cylinder air outlet and the high pressure cylinder of D.
Air delivery valve on the low pressure cylinder, the input air valve on the high pressure cylinder of the suction valve on the gas compressor, outlet valve and A all are the air valves that rely on negative pressure to open automatically; Coming output air valve on A electric butterfly valve, B electric butterfly valve, C electric butterfly valve and the high pressure cylinder of A in air valve, the high voltage unit on the low pressure cylinder, all is the mortor operated valve by controller control.
The air valve that comes on the low pressure cylinder is connected with the source of the gas pipe of incoming flow, and source of the gas is introduced in the low pressure cylinder, and the air delivery valve on the low pressure cylinder is connected with the suction valve pipe of gas compressor.The outlet valve of gas compressor is connected with the input air valve pipe of the high pressure cylinder of A, high pressure cylinder is connected the high pressure cylinder of A with A electric butterfly valve, the high pressure cylinder of B, B electric butterfly valve, the high pressure cylinder of C, C electric butterfly valve, D successively, when A electric butterfly valve, B electric butterfly valve, C electric butterfly valve Close All, the high pressure cylinder of A, the high pressure cylinder of B, the high pressure cylinder of C, the high pressure cylinder of D are isolated, not connected mutually.The output terminal of pressure transducer is electrically connected with the input end of controller, and the drive circuit control end of gas compressor is electrically connected with an output terminal of controller, and gas compressor begins by the instruction of controller or quits work.Come air valve, A electric butterfly valve, B electric butterfly valve, C electric butterfly valve, output air valve to be electrically connected with the output terminal of controller respectively.
Low pressure cylinder is that a volume is the cylindrical metal tube of 10～12 times of the high pressure cylinder of A in the high voltage unit, the high pressure cylinder of B, the high pressure cylinder of C and four high pressure cylinder total measurement (volume)s of the high pressure cylinder of D, for intensity and the withstand voltage properties that improves high voltage unit, the high pressure cylinder of A, the high pressure cylinder of B, the high pressure cylinder of C and the high pressure cylinder of D all are to make hollow spheres with high pressure resistant metallic material, are connected in series mutually.Low pressure cylinder should have enough structural strengths, with the vacuum state that occurs in the work of bearing.For the compactness of structure, the high pressure cylinder of A, the high pressure cylinder of B, the high pressure cylinder of C and the high pressure cylinder of D can be arranged to ring-like or square.Gas according to job requirement, comes air valve can be held open state after coming the low pressure cylinder of air valve introducing, also can close fully.
Gas compressor is the piston type reciprocating machine of a dimensional structure compactness, and cylinder diameter, stroke are short and small.The prominent features of this gas compressor is: the clearance volume between piston head and the cylinder cap is almost nil, for necessary condition has been prepared in the work under the high pressure ratio state.During the work beginning, controller sends instruction, by the open and-shut mode of desired final pressure size decision A electric butterfly valve, B electric butterfly valve, C electric butterfly valve, to form needed high voltage unit swept volume.When requiring final pressure when the highest, the A electric butterfly valve cuts out, and only has the high pressure cylinder of A to work; When required pressure reduces gradually, can control A electric butterfly valve, B electric butterfly valve and C electric butterfly valve one by one and be held open state, so that the volume of the high pressure cylinder of B, the high pressure cylinder of C and the high pressure cylinder of D also increases to the swept volume of high voltage unit one by one.
In the work, the output air valve remains the situation of closing.The to-and-fro motion constantly of the piston of gas compressor after the gas compression in the low pressure cylinder, is sent into the high pressure cylinder of A through the input air valve.Continuous operation along with gas compressor, gas pressure in the high voltage unit in each high pressure cylinder swept volume continues to improve, when the pressure signal of pressure transducer impression reaches or is higher than desired pressure, controller sends instruction immediately, open the output air valve, the pressurized gas that reaches requirement pressure is drawn through output air valve and pipeline.
Because the volume of low pressure cylinder is 10～12 times of each high pressure cylinder total measurement (volume) in the high voltage unit, maximal pressure ratio of the present invention can reach 40～50.The pressure ratio that controller presets is stepless adjustable.In the work,, judge the actual pressure of gas in the high voltage unit and require the gap of pressure,, draw pressurized gas at any time, reach the index of the stepless variation from the low-pressure ratio to the high pressure ratio in case reach requirement pressure according to the pressure signal that pressure transducer transmits.
Beneficial effect of the present invention: the small-displacement gas compressor device that pressure ratio continuously provided by the invention is adjustable is small and exquisite, light, and compact structure is convenient to install.By means of electronic controller, both can reach very high pressure ratio, also can change pressure ratio by continuous stepless, be the needed devices of calming the anger of particular job occasion such as a kind of aviation, navigation, underwater operation, have suitable application area and obvious practicability.
Description of drawings:
Fig. 1 is the structural principle schematic representation of gas compressor of the present invention.
Among the figure, 1. low pressure cylinder, 2. gas compressor, 3. high voltage unit, 4. controller, 5. air delivery valve, 6. come air valve, 7. suction valve, 8. outlet valve, the high pressure cylinder of 9.A, the high pressure cylinder of 10.B, the high pressure cylinder of 11.C, the high pressure cylinder of 12.D, 13.A electric butterfly valve, 14.B electric butterfly valve, 15.C electric butterfly valve, 16. pressure transducers, 17. input air valves, 18. output air valves.
Embodiment
Below in conjunction with accompanying drawing concrete enforcement of the present invention is further described.
As shown in Figure 1, the present invention includes: hang down pressure cylinder 1, gas compressor 2, high voltage unit 3, controller 4, air delivery valve 5, come air valve 6, suction valve 7, outlet valve 8, wherein, high voltage unit comprises: the high pressure cylinder 9 of A, the high pressure cylinder 10 of B, the high pressure cylinder 11 of C, the high pressure cylinder 12 of D, A electric butterfly valve 13, B electric butterfly valve 14, C electric butterfly valve 15, pressure transducer 16, input air valve 17, output air valve 18.
Come air valve 6 to be installed in the suction port place of low pressure cylinder 1, air delivery valve 5 is installed in the place, air outlet of low pressure cylinder 1, suction valve 7 is installed in the suction port place of gas compressor 2, outlet valve 8 is installed in the place, air outlet of gas compressor 2, input air valve 17 is installed in the suction port place of the high pressure cylinder 9 of A, output air valve 18 is installed in the place, an air outlet of the high pressure cylinder 9 of A, and pressure transducer 16 is installed on the internal face of the high pressure cylinder 9 of A.A electric butterfly valve 13 is installed between the suction port of another air outlet of the high pressure cylinder 9 of A and the high pressure cylinder 10 of B, B electric butterfly valve 14 is installed between the suction port of the air outlet of the high pressure cylinder 10 of B and the high pressure cylinder 11 of C, and C electric butterfly valve 15 is installed between the suction port of the air outlet of the high pressure cylinder 11 of C and the high pressure cylinder 12 of D.
The air valve 6 that comes on the low pressure cylinder 1 is connected with the source of the gas pipe of incoming flow, and source of the gas is introduced in the low pressure cylinder 1, and the air delivery valve 5 on the low pressure cylinder 1 is connected with the suction valve of gas compressor 27 pipes.The outlet valve 8 of gas compressor 2 is connected with input air valve 17 pipes of the high pressure cylinder 9 of A, the high pressure cylinder 9 of A successively with A electric butterfly valve 13, the high pressure cylinder 10 of B, B electric butterfly valve 14, the high pressure cylinder 11 of C, C electric butterfly valve 15, high pressure cylinder 12 connections of D, when A electric butterfly valve 13, B electric butterfly valve 14, C electric butterfly valve 15 Close Alls, the high pressure cylinder 9 of A, the high pressure cylinder 10 of B, the high pressure cylinder 11 of C, the high pressure cylinder 12 of D are isolated, not connected mutually.The output terminal of pressure transducer 16 is electrically connected with the input end of controller 4, and the drive circuit control end of gas compressor 2 is electrically connected with an output terminal of controller 4, and gas compressor 2 begins by the instruction of controller 4 or quits work.
Come the control end of air valve 6, A electric butterfly valve 13, B electric butterfly valve 14, C electric butterfly valve 15, output air valve 18 to be electrically connected with each output terminal of controller 4 respectively.
Low pressure cylinder 1 is that a volume is the cylindrical metal tube of 10～12 times of the high pressure cylinders 9 of A in the high voltage unit 3, the high pressure cylinder 10 of B, the high pressure cylinder 11 of C, 12 4 high pressure cylinder total measurement (volume)s of the high pressure cylinder of D, for intensity and the withstand voltage properties that improves high voltage unit 3, the high pressure cylinder 9 of A, the high pressure cylinder 10 of B, the high pressure cylinder 11 of C and the high pressure cylinder 12 of D all are to make hollow spheres with high pressure resistant metallic material, are connected in series mutually.Low pressure cylinder 1 should have enough structural strengths, with the vacuum state that occurs in the work of bearing.For the compactness of structure, the high pressure cylinder 9 of A, the high pressure cylinder 10 of B, the high pressure cylinder 11 of C and the high pressure cylinder 12 of D can be arranged to ring-like or square.Gas according to job requirement, comes air valve 6 can be held open state after coming the low pressure cylinder 1 of air valve 6 introducings, also can close fully.
In the work, output air valve 18 remains the situation of closing.The to-and-fro motion constantly of the piston of gas compressor 2 after the gas compression in the low pressure cylinder 1, is sent into the high pressure cylinder 9 of A through input air valve 17.Along with the continuous operation of gas compressor 2, the gas pressure in the high voltage unit 3 in the swept volume of each high pressure cylinder continues to improve.When the pressure signal of pressure transducer 16 impression reached or is higher than desired pressure, controller 4 sent instruction immediately, opens output air valve 18, and the pressurized gas that reaches requirement pressure is drawn through output air valve 18 and pipeline.
Because the volume of low pressure cylinder 1 is 10～12 times of each high pressure cylinder total measurement (volume) in the high voltage unit 3, maximal pressure ratio of the present invention can reach 40～50.The pressure ratio that controller 4 presets is stepless adjustable.In the work,, judge the actual pressure of gas in the high voltage unit 3 and require the gap of pressure,, draw pressurized gas at any time, reached the index of the stepless variation from the low-pressure ratio to the high pressure ratio in case reach requirement pressure according to the pressure signal that pressure transducer 16 transmits.
Claims (5)
1. small-displacement gas compressor device that pressure ratio continuously is adjustable, comprise low pressure cylinder (1), gas compressor (2), controller (4), air delivery valve (5), come air valve (6), suction valve (7), outlet valve (8), it is characterized in that also comprising high voltage unit (3), high voltage unit (3) comprising: the high pressure cylinder of A (9), the high pressure cylinder of B (10), the high pressure cylinder of C (11), the high pressure cylinder of D (12), A electric butterfly valve (13), B electric butterfly valve (14), C electric butterfly valve (15), pressure transducer (16), input air valve (17), output air valve (18); Come air valve (6) to be installed in the suction port place of low pressure cylinder (1), air delivery valve (5) is installed in the place, air outlet of low pressure cylinder (1), suction valve (7) is installed in the suction port place of gas compressor (2), outlet valve (8) is installed in the place, air outlet of gas compressor (2), input air valve (17) is installed in the suction port place of the high pressure cylinder of A (9), output air valve (18) is installed in the place, an air outlet of the high pressure cylinder of A (9), and pressure transducer (16) is installed on the internal face of the high pressure cylinder of A (9); A electric butterfly valve (13) is installed between the suction port of another air outlet of the high pressure cylinder of A (9) and the high pressure cylinder of B (10), B electric butterfly valve (14) is installed between the suction port of the air outlet of the high pressure cylinder of B (10) and the high pressure cylinder of C (11), and C electric butterfly valve (15) is installed between the suction port of the air outlet of the high pressure cylinder of C (11) and the high pressure cylinder of D (12); The air valve (6) that comes on the low pressure cylinder (1) is connected with the source of the gas pipe of incoming flow, and the air delivery valve (5) on the low pressure cylinder (1) is connected with suction valve (7) pipe of gas compressor (2); The outlet valve (8) of gas compressor (2) is connected with the input air valve (17) of the high pressure cylinder of A (9) pipe, the high pressure cylinder of A (9) successively with A electric butterfly valve (13), the high pressure cylinder of B (10), B electric butterfly valve (14), the high pressure cylinder of C (11), C electric butterfly valve (15), the high pressure cylinder of D (12) connects, the output terminal of pressure transducer (16) is electrically connected with the input end of controller (4), the drive circuit control end of gas compressor (2) is electrically connected with an output terminal of controller (4), comes air valve (6), A electric butterfly valve (13), B electric butterfly valve (14), C electric butterfly valve (15), the control end of output air valve (18) is electrically connected with each output terminal of controller (4) respectively.
2. the adjustable small-displacement gas compressor device of pressure ratio continuously according to claim 1 is characterized in that described low pressure cylinder (1) is that a volume is the cylindrical metal tube of the high structural strength of 10～12 times of the high pressure cylinders of A (9), the high pressure cylinder of B (10), the high pressure cylinder of C (11), the high pressure cylinder of D (12) total measurement (volume).
3. the adjustable small-displacement gas compressor device of pressure ratio continuously according to claim 1, it is characterized in that the high pressure cylinder of described A (9), the high pressure cylinder of B (10), the high pressure cylinder of C (11) and the high pressure cylinder of D (12) all are the hollow spheres made from high pressure resistant metallic material, connecting into each other is ring-like or square.
4. the adjustable small-displacement gas compressor device of pressure ratio continuously according to claim 1 is characterized in that the pressure ratio that described controller (4) presets is stepless adjustable, and the device maximal pressure ratio of calming the anger can reach 40～50.
5. the adjustable small-displacement gas compressor device of pressure ratio continuously according to claim 1 is characterized in that described air delivery valve (5), suction valve (7), outlet valve (8) and input air valve (17) all are the air valves that rely on negative pressure to open automatically; Come air valve (6), A electric butterfly valve (13), B electric butterfly valve (14), C electric butterfly valve (15) and output air valve (18) all are the mortor operated valves by controller (4) control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101482295A CN100494679C (en) | 2006-12-28 | 2006-12-28 | Pressure ratio continuously-variable small-displacement gas compressor device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101482295A CN100494679C (en) | 2006-12-28 | 2006-12-28 | Pressure ratio continuously-variable small-displacement gas compressor device |
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| Publication Number | Publication Date |
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| CN1995753A CN1995753A (en) | 2007-07-11 |
| CN100494679C true CN100494679C (en) | 2009-06-03 |
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| CNB2006101482295A Expired - Fee Related CN100494679C (en) | 2006-12-28 | 2006-12-28 | Pressure ratio continuously-variable small-displacement gas compressor device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562547A (en) * | 2012-02-06 | 2012-07-11 | 武汉理工大学 | Stepless airflow regulation method for high-pressure reciprocating compressor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499609B (en) * | 2016-10-12 | 2018-07-24 | 哈尔滨工程大学 | A kind of the single stage piston formula compressor and multi-stage piston compressor of air pressure boosting |
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2006
- 2006-12-28 CN CNB2006101482295A patent/CN100494679C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562547A (en) * | 2012-02-06 | 2012-07-11 | 武汉理工大学 | Stepless airflow regulation method for high-pressure reciprocating compressor |
| CN102562547B (en) * | 2012-02-06 | 2014-12-03 | 武汉理工大学 | Stepless airflow regulation method for high-pressure reciprocating compressor |
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| CN1995753A (en) | 2007-07-11 |
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Granted publication date: 20090603 Termination date: 20111228 |