CN104963792A - Automotive CNG pressure reducer with novel piston type pressure reducing mechanism - Google Patents
Automotive CNG pressure reducer with novel piston type pressure reducing mechanism Download PDFInfo
- Publication number
- CN104963792A CN104963792A CN201510406940.5A CN201510406940A CN104963792A CN 104963792 A CN104963792 A CN 104963792A CN 201510406940 A CN201510406940 A CN 201510406940A CN 104963792 A CN104963792 A CN 104963792A
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- Prior art keywords
- decompressor
- assembly
- piston type
- pressure
- type mechanism
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/04—Control of fluid pressure without auxiliary power
- G05D16/10—Control of fluid pressure without auxiliary power the sensing element being a piston or plunger
- G05D16/103—Control of fluid pressure without auxiliary power the sensing element being a piston or plunger the sensing element placed between the inlet and outlet
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/04—Control of fluid pressure without auxiliary power
- G05D16/06—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule
- G05D16/063—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane
- G05D16/0675—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting on the obturator through a lever
- G05D16/0683—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting on the obturator through a lever using a spring-loaded membrane
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention provides an automotive CNG pressure reducer with a novel piston type pressure reducing mechanism. The automotive CNG pressure reducer with the novel piston type pressure reducing mechanism comprises a pressure reducer main body; the bottom of the pressure reducer main body is provided with a high-pressure magnetic valve assembly, the side section of the pressure reducer main body is provided with a high-pressure inlet seat assembly and a piston type pressure reducing mechanism assembly, the high-pressure inlet seat assembly is communicated with the high-pressure magnetic valve assembly, and the high-pressure magnetic valve assembly is communicated with the piston type pressure reducing mechanism assembly; a balance valve assembly and a two-level diaphragm-type pressure reducing mechanism assembly are arranged in the pressure reducer main body, the two-level diaphragm-type pressure reducing mechanism assembly is communicated with the piston type pressure reducing mechanism assembly, and the balance valve assembly is connected with the two-level diaphragm-type pressure reducing mechanism assembly.
Description
Technical field
The present invention relates to fluid pressure valve technology field, be specifically related to a kind of vehicle CNG decompressor with the piston type mechanism of decompressor.
Background technique
Existing decompressor is mainly divided into diaphragm type and plunger type two kinds, and diaphragm type decompression is mainly applicable to the operating mode of low pressure, small flow, and plunger type decompressor is applicable to the operating mode of high pressure, large discharge; Existing vehicle CNG decompressor is mainly diaphragm type and plunger type decompressor two kinds, but diaphragm pressure reducer cannot realize high pressure, large discharge exports, and is usually used in passenger car, is difficult to commercial car system; Although plunger type decompressor flow is large, can be used in high-pressure system, also have regulation precision low, high pressure sealing O shape circle is easy to wear, the shortcoming do not grown working life; So need a kind of vehicle CNG decompressor with the piston type mechanism of decompressor badly to solve the problem.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, provide a kind of vehicle CNG decompressor with the piston type mechanism of decompressor, this kind of vehicle CNG decompressor with the piston type mechanism of decompressor can solve the problem well.
For reaching above-mentioned requirements, the technological scheme that the present invention takes is: provide a kind of vehicle CNG decompressor with the piston type mechanism of decompressor, and this kind of vehicle CNG decompressor with the piston type mechanism of decompressor comprises decompressor main body; The bottom of decompressor main body is provided with high-voltage electromagnetic valve assembly, the side section of decompressor main body is provided with high-pressure inlet holder assembly and piston type mechanism of decompressor assembly, high-pressure inlet holder assembly is connected with high-voltage electromagnetic valve assembly, and high-voltage electromagnetic valve assembly is connected with piston type mechanism of decompressor assembly; Decompressor body interior is provided with equilibrium valve assembly and secondary membrane chip mechanism of decompressor assembly, and secondary membrane chip mechanism of decompressor assembly is connected with piston type mechanism of decompressor assembly, and equilibrium valve assembly is connected with secondary membrane chip mechanism of decompressor assembly.
This is a kind of has the vehicle CNG decompressor of the piston type mechanism of decompressor by high-pressure inlet holder assembly 1, high-voltage electromagnetic valve assembly 2, piston type mechanism of decompressor assembly 3, equilibrium valve assembly 4, secondary membrane chip mechanism of decompressor assembly 5, critical piece such as venturi compensation mechanism assembly 6 grade is formed, and is assembled in one and highly integrated has on the decompression body of double-U-shaped water channel; This vehicle CNG decompressor with the piston type mechanism of decompressor, under the prerequisite realizing high regulation precision, stability, has that flow is large, the advantage of compact concurrently, is applicable to passenger car, is also applicable to commercial car; This has in the piston mechanism of decompressor of the vehicle CNG decompressor of the piston type mechanism of decompressor and does not have high pressure dynamic sealing structure, long service life, safe and reliable; Meanwhile, this decompressor adopts hardware and software platform design concept, easily can meet high and low pressure and export different demand, be conducive to reducing costs.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present application, form a application's part, use identical reference number to represent same or analogous part in the drawings, the schematic description and description of the application, for explaining the application, does not form the improper restriction to the application.In the accompanying drawings:
Fig. 1 schematically shows a kind of structural representation with the vehicle CNG decompressor of the piston type mechanism of decompressor according to the application embodiment.
Wherein: 1, high-pressure inlet holder assembly; 2, high-voltage electromagnetic valve assembly; 3, piston type mechanism of decompressor assembly; 4, equilibrium valve assembly; 5, secondary membrane chip mechanism of decompressor assembly; 6, venturi compensation mechanism; 7, decompressor main body.
Embodiment
For making the object of the application, technological scheme and advantage clearly, below in conjunction with drawings and the specific embodiments, the application is described in further detail.
In the following description, quoting of " embodiment ", " embodiment ", " example ", " example " etc. is shown that the embodiment of so description or example can comprise special characteristic, structure, characteristic, character, element or limit, but not each embodiment or example must comprise special characteristic, structure, characteristic, character, element or limit.In addition, reuse phrase " embodiment according to the application " although be likely refer to identical embodiment, and not necessarily refers to identical embodiment.
For the sake of simplicity, eliminate in below describing and well known to a person skilled in the art some technical characteristics.
According to an embodiment of the application, a kind of vehicle CNG decompressor with the piston type mechanism of decompressor is provided, as shown in Figure 1, comprises decompressor main body 7; The bottom of described decompressor main body 7 is provided with high-voltage electromagnetic valve assembly 2, the side section of described decompressor main body 7 is provided with high-pressure inlet holder assembly 1 and piston type mechanism of decompressor assembly 3, described high-pressure inlet holder assembly 1 is connected with described high-voltage electromagnetic valve assembly 2, and described high-voltage electromagnetic valve assembly 2 is connected with described piston type mechanism of decompressor assembly 3; Described decompressor main body 7 inside is provided with equilibrium valve assembly 4 and secondary membrane chip mechanism of decompressor assembly 5, described secondary membrane chip mechanism of decompressor assembly 5 is connected with described piston type mechanism of decompressor assembly 3, and described equilibrium valve assembly 4 is connected with described secondary membrane chip mechanism of decompressor assembly 5.
According to an embodiment of the application, this decompressor main body 7 with the vehicle CNG decompressor of the piston type mechanism of decompressor is provided with the venturi compensation mechanism 6 for compensating decompressor outlet pressure.
High-pressure inlet holder assembly 1 and piston type mechanism of decompressor assembly 3 are positioned at subtend both sides.
According to an embodiment of the application, this decompressor main body 7 with the vehicle CNG decompressor of the piston type mechanism of decompressor is provided with the venturi compensation mechanism 6 for compensating decompressor outlet pressure, described high-pressure inlet holder assembly 1 and described venturi compensation mechanism 6 are positioned at described decompressor main body 7 homonymy.
According to an embodiment of the application, this vehicle CNG decompressor with the piston type mechanism of decompressor also includes the piston type mechanism of decompressor.
According to an embodiment of the application, this vehicle CNG decompressor with the piston type mechanism of decompressor also comprises the equilibrium valve assembly for balancing a cavity pressure influence of fluctuations.
According to an embodiment of the application, this bottom with the decompressor main body 7 of the vehicle CNG decompressor of the piston type mechanism of decompressor is integrated with high-pressure solenoid valve.
According to an embodiment of the application, this high-pressure inlet holder assembly 2 with the vehicle CNG decompressor of the piston type mechanism of decompressor is integrated with high-pressure filteration structure.
According to an embodiment of the application, as shown in Figure 1, decompressor is entered from high-pressure inlet assembly 1 from the pressurized gas of CNG gas cylinder input, after high-pressure solenoid valve 2, carry out one-level decompression by the piston type mechanism of decompressor 3, within the high pressure air reducing of 20Mpa to 3Ma, the vestibule of the post-decompression gas of one-level on decompression body arrives second depressurized mechanism 5, driven equilibrium valve assembly 4 simultaneously, offsets the impact of first class pressure fluctuation on secondary exit port pressure; In, large discharge export time, venturi compensation mechanism 6 can compensate because of flow increases cause decompressor outlet pressure reduction; Double-H groove weld tandem water channel integrated on decompression body, can ensure when large discharge exports, and the circulating water of engine of introducing, to the heating effect of decompression body, prevents from causing decompression body inner icing because of decompression heat absorption; The safety valve of this decompressor can integral replacement.
According to an embodiment of the application, this is a kind of has the vehicle CNG decompressor of the piston type mechanism of decompressor by high-pressure inlet holder assembly 1, high-voltage electromagnetic valve assembly 2, piston type mechanism of decompressor assembly 3, equilibrium valve assembly 4, secondary membrane chip mechanism of decompressor assembly 5, critical piece such as venturi compensation mechanism assembly 6 grade is formed, and is assembled in one and highly integrated has on the decompression body of double-U-shaped water channel; This vehicle CNG decompressor with the piston type mechanism of decompressor, under the prerequisite realizing high regulation precision, stability, has that flow is large, the advantage of compact concurrently, is applicable to passenger car, is also applicable to commercial car; This has in the piston mechanism of decompressor of the vehicle CNG decompressor of the piston type mechanism of decompressor and is provided with high pressure dynamic sealing structure, under all seal elements are all operated in post-decompression low-pressure state, and long service life, safe and reliable; Further, utilize the pressure balance effect of equilibrium valve assembly, compensate the post-decompression pressure surge of this piston mechanism of decompressor, whole decompressor delivery pressure is stablized, long service life, safe and reliable; Meanwhile, this decompressor adopts hardware and software platform design concept, easily can meet high and low pressure and export different demand, be conducive to reducing costs.
The above embodiment only represents several mode of execution of the present invention, and it describes comparatively concrete and detailed, but can not be interpreted as limitation of the scope of the invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to scope.Therefore protection scope of the present invention should be as the criterion with described claim.
Claims (7)
1. there is a vehicle CNG decompressor for the piston type mechanism of decompressor, it is characterized in that: comprise decompressor main body (7); Described decompressor main body (7) is integrated with the double-U-shaped water channel of series connection, the bottom of described decompressor main body (7) is provided with high-voltage electromagnetic valve assembly (2), the side section of described decompressor main body (7) is provided with high-pressure inlet holder assembly (1) and piston type mechanism of decompressor assembly (3), described high-pressure inlet holder assembly (1) is connected with described high-voltage electromagnetic valve assembly (2), and described high-voltage electromagnetic valve assembly (2) is connected with described piston type mechanism of decompressor assembly (3); Described decompressor main body (7) inside is provided with equilibrium valve assembly (4) and secondary membrane chip mechanism of decompressor assembly (5), described secondary membrane chip mechanism of decompressor assembly (5) is connected with described piston type mechanism of decompressor assembly (3), and described equilibrium valve assembly (4) is connected with described secondary membrane chip mechanism of decompressor assembly (5).
2. a kind of vehicle CNG decompressor with the piston type mechanism of decompressor according to claim 1, is characterized in that: described high-pressure inlet holder assembly (1) and piston type mechanism of decompressor assembly (3) are positioned at subtend both sides.
3. a kind of vehicle CNG decompressor with the piston type mechanism of decompressor according to claim 1, it is characterized in that: described decompressor main body (7) is provided with the venturi compensation mechanism (6) for compensating decompressor outlet pressure, described high-pressure inlet holder assembly (1) and described venturi compensation mechanism (6) are positioned at described decompressor main body (7) homonymy.
4. a kind of vehicle CNG decompressor with the piston type mechanism of decompressor according to claim 1, is characterized in that: also include the piston type mechanism of decompressor.
5. a kind of vehicle CNG decompressor with the piston type mechanism of decompressor according to claim 1, is characterized in that: also comprise the equilibrium valve assembly for balancing a cavity pressure influence of fluctuations.
6. a kind of vehicle CNG decompressor with the piston type mechanism of decompressor according to claim 1, is characterized in that: the bottom of described decompressor main body (7) is integrated with high-pressure solenoid valve.
7. a kind of vehicle CNG decompressor with the piston type mechanism of decompressor according to claim 1, is characterized in that: described high-pressure inlet holder assembly (2) is integrated with high-pressure filteration structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510406940.5A CN104963792A (en) | 2015-07-13 | 2015-07-13 | Automotive CNG pressure reducer with novel piston type pressure reducing mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510406940.5A CN104963792A (en) | 2015-07-13 | 2015-07-13 | Automotive CNG pressure reducer with novel piston type pressure reducing mechanism |
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| CN104963792A true CN104963792A (en) | 2015-10-07 |
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| CN201510406940.5A Pending CN104963792A (en) | 2015-07-13 | 2015-07-13 | Automotive CNG pressure reducer with novel piston type pressure reducing mechanism |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089499A (en) * | 2016-07-19 | 2016-11-09 | 成都安程通科技有限公司 | A kind of gas-fueled vehicles CNG decompressor |
| CN106224128A (en) * | 2016-07-19 | 2016-12-14 | 成都安程通科技有限公司 | There is the CNG decompressor of the piston type mechanism of decompressor |
| CN106224129A (en) * | 2016-07-19 | 2016-12-14 | 成都安程通科技有限公司 | A kind of energy-conservation vehicle CNG decompressor |
Citations (6)
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|---|---|---|---|---|
| GB2226119A (en) * | 1988-12-15 | 1990-06-20 | Burgasautotransport Fa | Combined liquefied gas evaporator-gas pressure regulator |
| CN102498447A (en) * | 2009-07-02 | 2012-06-13 | 泰思康公司 | Balanced valve cartridge |
| CN202348477U (en) * | 2011-12-12 | 2012-07-25 | 上海依相燃气设备有限公司 | Novel gas pressure reducer |
| CN202851198U (en) * | 2012-10-24 | 2013-04-03 | 贾学仪 | Double piston type gas pressure reducing regulator for vehicles |
| CN103277553A (en) * | 2013-05-25 | 2013-09-04 | 铜陵市三圆特种铸造有限责任公司 | Mass-flow balanced type pressure regulating valve |
| CN204783332U (en) * | 2015-07-13 | 2015-11-18 | 成都恩吉威汽车系统有限公司 | Automobile -used CNG pressure reducer with novel piston mechanism of decompressor |
-
2015
- 2015-07-13 CN CN201510406940.5A patent/CN104963792A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2226119A (en) * | 1988-12-15 | 1990-06-20 | Burgasautotransport Fa | Combined liquefied gas evaporator-gas pressure regulator |
| CN102498447A (en) * | 2009-07-02 | 2012-06-13 | 泰思康公司 | Balanced valve cartridge |
| CN202348477U (en) * | 2011-12-12 | 2012-07-25 | 上海依相燃气设备有限公司 | Novel gas pressure reducer |
| CN202851198U (en) * | 2012-10-24 | 2013-04-03 | 贾学仪 | Double piston type gas pressure reducing regulator for vehicles |
| CN103277553A (en) * | 2013-05-25 | 2013-09-04 | 铜陵市三圆特种铸造有限责任公司 | Mass-flow balanced type pressure regulating valve |
| CN204783332U (en) * | 2015-07-13 | 2015-11-18 | 成都恩吉威汽车系统有限公司 | Automobile -used CNG pressure reducer with novel piston mechanism of decompressor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089499A (en) * | 2016-07-19 | 2016-11-09 | 成都安程通科技有限公司 | A kind of gas-fueled vehicles CNG decompressor |
| CN106224128A (en) * | 2016-07-19 | 2016-12-14 | 成都安程通科技有限公司 | There is the CNG decompressor of the piston type mechanism of decompressor |
| CN106224129A (en) * | 2016-07-19 | 2016-12-14 | 成都安程通科技有限公司 | A kind of energy-conservation vehicle CNG decompressor |
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Application publication date: 20151007 |
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| RJ01 | Rejection of invention patent application after publication |