CN215764587U - Nitrogen-hydrogen tracer gas filling machine - Google Patents
Nitrogen-hydrogen tracer gas filling machine Download PDFInfo
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- CN215764587U CN215764587U CN202120924770.0U CN202120924770U CN215764587U CN 215764587 U CN215764587 U CN 215764587U CN 202120924770 U CN202120924770 U CN 202120924770U CN 215764587 U CN215764587 U CN 215764587U
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- vacuum
- nitrogen
- pressure sensor
- valve
- hydrogen
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- 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
- Y02E60/32—Hydrogen storage
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- 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
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/45—Hydrogen technologies in production processes
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Abstract
The utility model provides a nitrogen-hydrogen tracer gas filling machine which comprises a nitrogen-hydrogen gas cylinder, a pressure reducer, a filter, an inflation valve, a pressure sensor and a gun head which are sequentially connected, wherein a vacuum pumping system is arranged between the pressure sensor and the gun head, and an exhaust assembly is arranged between the pressure sensor and the gun head. The vacuum pumping system comprises a vacuum pump, a vacuum gauge connected with the vacuum pump and a vacuum valve connected with the vacuum gauge, and the vacuum valve is connected between the pressure sensor and the gun head through the vacuum tube. The nitrogen-hydrogen tracer gas filling machine provided by the utility model can efficiently add tracer gas into refrigeration equipment, improves the filling efficiency and accuracy, simplifies the device and occupies small area.
Description
Technical Field
The utility model relates to the technical field of gas filling, in particular to a nitrogen-hydrogen tracer gas filling machine.
Background
In the use of various civil and commercial refrigeration equipment such as air conditioners, refrigerators, freezers, display cabinets, water dispensers, ice makers and water coolers, in order to increase the refrigeration efficiency, the leakage of the refrigeration equipment needs to be avoided, so that the leakage test of the refrigeration equipment is often required when the refrigeration equipment is installed and used.
It is common in the art to fill a refrigeration device with a helium gas or a refrigerant gas or other inert gas for leak detection using a helium leak detector and a refrigerant leak detector, respectively, to identify the leak location. However, the existing heald displaying gas, whether helium or refrigerant gas, has the problems of high price and large waste, and a filling device has no special equipment.
To solve this problem, it is common in the art to fill the refrigeration equipment with a tracer gas such as helium, refrigerant, etc. to quickly determine the location of the leak. However, the existing trace gas filling device has the problems of low installation efficiency and large occupied space in practical application, and the filling quantity can not be accurately controlled, so that the trace gas filling effect and the detection and positioning of leakage points are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a nitrogen-hydrogen tracer gas filling machine, which solves the technical problem of how to efficiently add tracer gas into refrigeration equipment, improves the filling efficiency and accuracy, simplifies the device and occupies small area.
A nitrogen-hydrogen tracer gas filling machine comprises a nitrogen-hydrogen gas cylinder, a pressure reducer, a filter, an inflation valve, a pressure sensor and a gun head which are sequentially connected, wherein a vacuum pumping system is arranged between the pressure sensor and the gun head, and an exhaust assembly is arranged between the pressure sensor and the gun head.
The vacuum pumping system comprises a vacuum pump, a vacuum gauge connected with the vacuum pump and a vacuum valve connected with the vacuum gauge, and the vacuum valve is connected between the pressure sensor and the gun head through a vacuum tube.
The exhaust assembly comprises an exhaust pipe, a first exhaust valve and a second exhaust valve, the first exhaust valve and the second exhaust valve are arranged on the exhaust pipe, and one end of the exhaust pipe is connected between the pressure sensor and the gun head.
The alarm lamp further comprises an indicator lamp assembly which comprises an alarm indicator lamp, a power indicator lamp and a working indicator lamp.
The pressure reducer, the filter, the inflation valve, the pressure sensor and the indicator light assembly are all connected to a PLC control system.
The utility model achieves the following remarkable effects:
(1) the filling machine in the scheme has the following functions: vacuumizing equipment, monitoring and judging the vacuum degree of the equipment, filling nitrogen-hydrogen tracer gas, maintaining the pressure and judging the equipment filled with the gas, and discharging the nitrogen-hydrogen tracer gas after the equipment is subjected to leak detection;
(2) the filling machine in the scheme has the advantages of small occupied space and high working efficiency, can meet the requirement of filling mixed gas, and can accurately control the filling amount through the pressure sensor and each valve.
Drawings
Fig. 1 is a schematic diagram of a filling machine in an embodiment of the utility model.
Wherein the reference numerals are: 1. a nitrogen and hydrogen gas cylinder; 2. a pressure reducer; 3. a filter; 4. a vacuum pump; 5. A vacuum gauge; 6. a vacuum valve; 7. a pressure sensor; 8. a gun head; 9. an inflation valve; 10. a first exhaust valve; 11. and a second exhaust valve.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is described below by way of specific embodiments.
Referring to fig. 1, a nitrogen-hydrogen tracer gas filling machine comprises a nitrogen-hydrogen gas bottle 1, a pressure reducer 2, a filter 3, an inflation valve 9, a pressure sensor 7 and a gun head 8 which are connected in sequence, wherein a vacuum pumping system is arranged between the pressure sensor 7 and the gun head 8, and an exhaust assembly is arranged between the pressure sensor 7 and the gun head 8.
The vacuumizing system comprises a vacuum pump 4, a vacuum gauge 5 connected with the vacuum pump 4 and a vacuum valve 6 connected with the vacuum gauge 5, wherein the vacuum valve 6 is connected between a pressure sensor 7 and the gun head through a vacuum pipe.
The exhaust assembly comprises an exhaust pipe, a first exhaust valve 10 and a second exhaust valve 11, wherein the first exhaust valve and the second exhaust valve are arranged on the exhaust pipe, and one end of the exhaust pipe is connected between the pressure sensor 7 and the gun head 8.
The indicating lamp assembly comprises an alarm indicating lamp, a power supply indicating lamp and a working indicating lamp.
The pressure reducer 2, the filter 3, the inflation valve 9, the pressure sensor 7 and the indicating lamp assembly are all connected to a PLC control system.
The specific working process of the utility model is as follows:
the filling machine that this scheme was announced for annotate the nitrogen hydrogen mist of annotating, 5% hydrogen and 95% mist are as tracer gas, and in the high pressure filled the equipment, the rethread nitrogen hydrogen leak detector carried out the leak hunting to equipment, if equipment is revealing, the nitrogen hydrogen leak detector can send the warning.
Evacuating: starting a vacuum pump 4, monitoring the vacuum degree in real time by a vacuum gauge 5, transmitting a signal to a PLC, and opening a vacuum valve 6; the charging valve 9, the exhaust valve 1 and the exhaust valve 2 are closed
And (3) inflating: the inflation valve 9 is opened, and the pressure sensor 7 monitors the inflation pressure value and transmits a signal to the PLC; the vacuum pump 4, the vacuum valve 6, the first exhaust valve 10 and the second exhaust valve 11 are all closed;
pressure maintaining: the pressure sensor 7 monitors the pressure value of the nitrogen-hydrogen mixed gas in the air conditioner and transmits a signal to the PLC (pressure maintaining means that the pressure drop of the mixed gas filled in the air conditioner is not allowed to exceed a certain numerical value within a certain time); the vacuum pump 4, the vacuum valve 6, the inflation valve 9, the first exhaust valve 10 and the second exhaust valve 11 are all closed;
and (3) leak detection: manually confirming that the leakage detection is finished, or setting a certain time to default to finish the leakage detection (the leakage detection is that people use a nitrogen-hydrogen gas leakage detector to detect the leakage of an air conditioner unit and check whether the air conditioner pipeline or the component has leakage);
exhausting: the first exhaust valve 10 and the second exhaust valve 11 are opened (the high-pressure mixed gas filled in the air conditioner is exhausted out of the air conditioner, generally exhausted to the atmosphere or an exhaust pipeline), and the charging valve 9, the vacuum pump 4 and the vacuum valve 6 are all closed.
The technical features of the present invention which are not described in the above embodiments may be implemented by or using the prior art, and are not described herein again, of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions which may be made by those skilled in the art within the spirit and scope of the present invention should also fall within the protection scope of the present invention.
Claims (5)
1. The nitrogen-hydrogen tracer gas filling machine is characterized by comprising a nitrogen-hydrogen gas cylinder, a pressure reducer, a filter, an inflation valve, a pressure sensor and a gun head which are sequentially connected, wherein a vacuum pumping system is arranged between the pressure sensor and the gun head, and an exhaust assembly is arranged between the pressure sensor and the gun head.
2. The nitrogen-hydrogen tracer gas filling machine according to claim 1, wherein the vacuum pumping system comprises a vacuum pump, a vacuum gauge connected with the vacuum pump, and a vacuum valve connected with the vacuum gauge, and the vacuum valve is connected between the pressure sensor and the gun head through a vacuum tube.
3. The nitrogen-hydrogen tracer gas filling machine according to claim 2, wherein the exhaust assembly comprises an exhaust pipe, a first exhaust valve and a second exhaust valve, the first exhaust valve and the second exhaust valve are arranged on the exhaust pipe, and one end of the exhaust pipe is connected between the pressure sensor and the gun head.
4. The nitrogen-hydrogen tracer gas filler according to claim 3, further comprising an indicator light assembly including an alarm indicator light, a power indicator light, and an on-the-fly indicator light.
5. The nitrogen-hydrogen tracer gas filling machine according to claim 4, wherein the pressure reducer, the filter, the inflation valve, the pressure sensor, and the indicator light assembly are all connected to a PLC control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120924770.0U CN215764587U (en) | 2021-04-30 | 2021-04-30 | Nitrogen-hydrogen tracer gas filling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120924770.0U CN215764587U (en) | 2021-04-30 | 2021-04-30 | Nitrogen-hydrogen tracer gas filling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215764587U true CN215764587U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120924770.0U Active CN215764587U (en) | 2021-04-30 | 2021-04-30 | Nitrogen-hydrogen tracer gas filling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215764587U (en) |
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2021
- 2021-04-30 CN CN202120924770.0U patent/CN215764587U/en active Active
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