CN108488624A - A kind of automatic evacuation filling machine for filling the leak detection of nitrogen hydrogen - Google Patents
A kind of automatic evacuation filling machine for filling the leak detection of nitrogen hydrogen Download PDFInfo
- Publication number
- CN108488624A CN108488624A CN201810409127.7A CN201810409127A CN108488624A CN 108488624 A CN108488624 A CN 108488624A CN 201810409127 A CN201810409127 A CN 201810409127A CN 108488624 A CN108488624 A CN 108488624A
- Authority
- CN
- China
- Prior art keywords
- way connection
- connecting pipe
- evacuation
- filling
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
- F17D1/04—Pipe-line systems for gases or vapours for distribution of gas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/34—Hydrogen distribution
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a kind of automatic evacuation filling machines for filling the leak detection of nitrogen hydrogen, including gas cylinder, vacuum pump and filter, vacuum pump is connected with four-way connection by connecting pipe, it is provided with evacuation valve on connecting pipe between the vacuum pump and the four-way connection, evacuation gas-charging connection is connected with by connecting pipe on four-way connection, it is provided with pressure sensor on connecting pipe between four-way connection and the evacuation gas-charging connection, the four-way connection connects exhaust outlet by discharge duct, first emptying valve and second emptying valve are respectively arranged on discharge duct.The mixing of nitrogen hydrogen shows that the composition of comprehensive gas is 95% nitrogen and 5% hydrogen composition, as show comprehensive gas can the rate of hunting leak can also reach 7 mbarl/s of 1*10, and mixed gas does not have and fires, safety, air source expense are low, discharge free from environmental pollution, which is integrated with three evacuation, filling, discharge processes, and automation degree is high, client's leak detection is matched, working efficiency is greatly improved.
Description
Technical field
The invention belongs to a kind of leak test plants, specifically, be related to it is a kind of for fill nitrogen hydrogen leak detection it is automatic evacuate fill
Note machine.
Background technology
Mostly it is used as using refrigerant and helium before air-conditioning leak detection and shows comprehensive gas, the minimum rate of hunting leak of refrigerant is 1*
10-5mbarl/s, precision is low, and filling refrigerant is generally directly filled by refrigerant cylinder or transfer pipeline, without special
Use equipment；Helium can the rate of hunting leak can reach -7 mbarl/s of 1*10, precision is high, but helium is of high cost, while helium fills
Reclaimer is complicated, expensive, is unfavorable for promoting the use of.
Invention content
The purpose of the present invention is to provide a kind of automatic evacuation filling machines for filling the leak detection of nitrogen hydrogen, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
To achieve the above object, the present invention provides the following technical solutions：
A kind of automatic evacuation filling machine for filling the leak detection of nitrogen hydrogen, including gas cylinder, vacuum pump and filter, the vacuum pump
It is connected with four-way connection by connecting pipe, and is arranged on the connecting pipe between the vacuum pump and the four-way connection
Have an evacuation valve, evacuation gas-charging connection be connected with by connecting pipe on the four-way connection, the four-way connection with it is described
Evacuation gas-charging connection between connecting pipe on be provided with pressure sensor, the four-way connection is connected by discharge duct
Exhaust outlet is respectively arranged with first emptying valve and second emptying valve on discharge duct.
As a further solution of the present invention：Pressure reducer, gas cylinder and the four-way connection are connected on the gas cylinder
Between be connected to by connecting pipe, be connected on the connecting pipe between the gas cylinder and the four-way connection filter and
Inflate solenoid valve.
As further scheme of the invention：95% nitrogen and 5% hydrogen composition nitrogen are filled in the gas cylinder
Comprehensive gas is shown in hydrogen mixing.
Compared with prior art, the beneficial effects of the invention are as follows：
The mixing of nitrogen hydrogen shows that the composition of comprehensive gas is 95% nitrogen and 5% hydrogen composition, as showing that comprehensive gas can hunt leak rate
To reach -7 mbarl/s of 1*10, and mixed gas does not have and fires, and safety, air source expense are low, and discharge is free from environmental pollution,
The filling machine is integrated with three evacuation, filling, discharge processes, and automation degree is high, and matching client's leak detection greatly improves work
Efficiency.
Description of the drawings
Fig. 1 is the automatic structural schematic diagram for evacuating filling machine for filling the leak detection of nitrogen hydrogen.
In figure：1- evacuates gas-charging connection；2- vacuum pumps；3- pressure sensors；4- evacuation valves；5- inflates solenoid valve；6-
One exhaust-valve；7- second emptying valves；8- filters；9- gas cylinders；10- pressure reducers.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, in the embodiment of the present invention, a kind of automatic evacuation filling machine for filling the leak detection of nitrogen hydrogen, including gas
Bottle 9, vacuum pump 2 and filter 8, the vacuum pump 2 are connected with four-way connection, and the vacuum pump 2 by connecting pipe
It is provided with evacuation valve 4 on connecting pipe between the four-way connection, is connected by connecting pipe on the four-way connection
It is connected to and evacuates gas-charging connection 1, pressure is provided on the connecting pipe between the four-way connection and the evacuation gas-charging connection 1
Force snesor 3, the four-way connection connect exhaust outlet by discharge duct, first emptying valve are respectively arranged on discharge duct
6 and second emptying valve 7.
It is connected with pressure reducer 10 on the gas cylinder 9, is connected by connecting pipe between gas cylinder 9 and the four-way connection
It is logical, filter 8 and inflation solenoid valve 5 are connected on the connecting pipe between the gas cylinder 9 and the four-way connection.
It is filled with 95% nitrogen in the gas cylinder 9 and comprehensive gas is shown in the composition nitrogen hydrogen mixing of 5% hydrogen.
The present invention operation principle be：
When filling machine carries out evacuation work, vacuum pump 2 starts work, and evacuation valve 4 is opened, inflation solenoid valve 5, first emptying valve
6 and second emptying valve 7 close, vacuum pump 2 evacuates air-conditioning, when filling machine carries out filling work, vacuum pump 2 stop work
Make, inflation solenoid valve 5 is opened, and evacuation valve 4, first emptying valve 6 and second emptying valve 7 are closed, and the nitrogen hydrogen mixing in gas cylinder 9 is shown comprehensive
Gas is carried out from evacuation gas-charging connection 1 in air-conditioning after being filtered by filter 8；When work is exhausted in filling machine, vacuum pump 2
It is stopped, first emptying valve 6 and second emptying valve 7 are opened, and evacuation valve 4, inflation solenoid valve 5 are closed, and the nitrogen hydrogen in air-conditioning is mixed
Conjunction shows that comprehensive gas passes through emission by exhaust pipe.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (3)
1. a kind of automatic evacuation filling machine for filling the leak detection of nitrogen hydrogen, which is characterized in that including gas cylinder（9）, vacuum pump（2）With
Filter（8）, the vacuum pump（2）It is connected with four-way connection, and the vacuum pump by connecting pipe（2）With it is described
It is provided with evacuation valve on connecting pipe between four-way connection（4）, pumping is connected with by connecting pipe on the four-way connection
Empty gas-charging connection（1）, the four-way connection and the evacuation gas-charging connection（1）Between connecting pipe on be provided with pressure
Sensor（3）, the four-way connection connects exhaust outlet by discharge duct, first emptying valve is respectively arranged on discharge duct
（6）And second emptying valve（7）.
2. a kind of automatic evacuation filling machine for filling the leak detection of nitrogen hydrogen according to claim 1, which is characterized in that described
Gas cylinder（9）On be connected with pressure reducer（10）, gas cylinder（9）It is connected to by connecting pipe between the four-way connection, it is described
Gas cylinder（9）It is connected with filter on connecting pipe between the four-way connection（8）With inflation solenoid valve（5）.
3. a kind of automatic evacuation filling machine for filling the leak detection of nitrogen hydrogen according to claim 1, which is characterized in that described
Gas cylinder（9）It is inside filled with 95% nitrogen and comprehensive gas is shown in the composition nitrogen hydrogen mixing of 5% hydrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810409127.7A CN108488624A (en) | 2018-05-02 | 2018-05-02 | A kind of automatic evacuation filling machine for filling the leak detection of nitrogen hydrogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810409127.7A CN108488624A (en) | 2018-05-02 | 2018-05-02 | A kind of automatic evacuation filling machine for filling the leak detection of nitrogen hydrogen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108488624A true CN108488624A (en) | 2018-09-04 |
Family
ID=63314452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810409127.7A Withdrawn CN108488624A (en) | 2018-05-02 | 2018-05-02 | A kind of automatic evacuation filling machine for filling the leak detection of nitrogen hydrogen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108488624A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489916A (en) * | 2019-01-21 | 2019-03-19 | 广东精智能制造有限公司 | A kind of water heater liner nitrogen hydrogen detection device |
| CN110420881A (en) * | 2019-08-07 | 2019-11-08 | 马鞍山润泰塑胶有限公司 | A kind of dish washing liquid production empty bottle leak-checking apparatus |
| CN111517085A (en) * | 2019-02-01 | 2020-08-11 | 青岛经济技术开发区海尔热水器有限公司 | Input conveying line, liner leakage detection system and leakage detection method |
| CN112078825A (en) * | 2020-04-20 | 2020-12-15 | 杭州超钜科技有限公司 | System and method for detecting leakage of tiny leakage points of large capsule of aerostat |
| CN114039071A (en) * | 2021-11-01 | 2022-02-11 | 安徽安凯汽车股份有限公司 | Hydrogen pipeline exhaust leakage detection device of hydrogen fuel cell vehicle |
-
2018
- 2018-05-02 CN CN201810409127.7A patent/CN108488624A/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489916A (en) * | 2019-01-21 | 2019-03-19 | 广东精智能制造有限公司 | A kind of water heater liner nitrogen hydrogen detection device |
| CN111517085A (en) * | 2019-02-01 | 2020-08-11 | 青岛经济技术开发区海尔热水器有限公司 | Input conveying line, liner leakage detection system and leakage detection method |
| CN111517085B (en) * | 2019-02-01 | 2022-10-18 | 青岛经济技术开发区海尔热水器有限公司 | Input conveying line, liner leakage detection system and leakage detection method |
| CN110420881A (en) * | 2019-08-07 | 2019-11-08 | 马鞍山润泰塑胶有限公司 | A kind of dish washing liquid production empty bottle leak-checking apparatus |
| CN112078825A (en) * | 2020-04-20 | 2020-12-15 | 杭州超钜科技有限公司 | System and method for detecting leakage of tiny leakage points of large capsule of aerostat |
| CN112078825B (en) * | 2020-04-20 | 2021-12-17 | 杭州超钜科技有限公司 | System and method for detecting leakage of tiny leakage points of large capsule of aerostat |
| CN114039071A (en) * | 2021-11-01 | 2022-02-11 | 安徽安凯汽车股份有限公司 | Hydrogen pipeline exhaust leakage detection device of hydrogen fuel cell vehicle |
| CN114039071B (en) * | 2021-11-01 | 2023-03-14 | 安徽安凯汽车股份有限公司 | Hydrogen pipeline exhaust leakage detection device of hydrogen fuel cell vehicle |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180904 |
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| WW01 | Invention patent application withdrawn after publication |