CN110838693A - Dynamic adjustment method, device and system for inflatable cabinet - Google Patents
Dynamic adjustment method, device and system for inflatable cabinet Download PDFInfo
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- CN110838693A CN110838693A CN201911182931.7A CN201911182931A CN110838693A CN 110838693 A CN110838693 A CN 110838693A CN 201911182931 A CN201911182931 A CN 201911182931A CN 110838693 A CN110838693 A CN 110838693A
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- cabinet
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/055—Features relating to the gas
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The application discloses a dynamic adjustment method, a device and a system of an inflatable cabinet, wherein the system comprises a controller, an inflation and exhaust mechanism, an in-cabinet pressure gauge, an atmospheric pressure gauge, an electric pressure regulator, an electric exhaust valve, an electric valve, a liquid nitrogen bottle, a high-pressure rubber tube, a signal line and the inflatable cabinet; the air charging and exhausting mechanism, the pressure gauge in the cabinet, the atmospheric pressure gauge, the electric pressure regulator, the electric exhaust valve and the electric valve are respectively connected with the controller through signal lines; the electric valve, the air charging and discharging mechanism and the electric pressure regulator are connected in sequence through the high-pressure rubber pipe. When the external environment atmospheric pressure is greater than the pressure in the inflating cabinet by a certain value, the inflating cabinet is inflated, and when the pressure in the inflating cabinet is greater than the external environment pressure value by a certain value, the inflating cabinet is deflated. This application can aerify the cabinet internal pressure according to ambient pressure dynamic adjustment, need not artificial operation, aerifys the cabinet transportation on the way and protects to aerify the cabinet and do not receive the poor influence of pressure and warp, has advantages such as convenient, automatic height, strong reliability.
Description
Technical Field
The application relates to the technical field of pressure regulation of an inflatable cabinet, in particular to a dynamic regulation method, a device and a system for the inflatable cabinet.
Background
In order to solve the problems of low external insulation of electrical equipment and the like caused by condensation and low air density in high-altitude areas, the N2 inflatable cabinet is gradually adopted in the high-altitude areas due to the good insulating property and the characteristic of no environmental influence, and the N2 inflatable cabinet is more economical and convenient to maintain and place in daily maintenance compared with a common switch cabinet. The inflatable cabinet is the N2 that the factory leaves and fills the slight positive pressure, in the transportation of the inflatable cabinet, because the altitude change leads to the change of the ambient atmospheric pressure, and the constant pressure in the inflatable cabinet leads to the inflatable cabinet to bulge or dent.
Disclosure of Invention
The application aims to provide a dynamic adjustment method, a dynamic adjustment device and a dynamic adjustment system for an inflatable cabinet, so that the problem that the inflatable cabinet bulges or is sunken due to the fact that the atmospheric pressure of the environment is changed due to the change of the altitude and the constant pressure in the inflatable cabinet in the transportation process of the inflatable cabinet is solved.
In a first aspect, according to an embodiment of the present application, there is provided a dynamic pressure regulating system for an inflatable cabinet, including a controller, an inflation and exhaust mechanism, an in-cabinet pressure gauge, an atmospheric pressure gauge, an electric pressure regulator, an electric exhaust valve, an electric valve, a liquid nitrogen bottle, a high-pressure rubber tube, a signal line and an inflatable cabinet;
the pressure meter in the cabinet is arranged in the inflatable cabinet, and the electric valve is arranged on the outer wall of the inflatable cabinet;
the electric exhaust valve is connected with the liquid nitrogen bottle, and the electric pressure regulator is connected with the electric exhaust valve;
the charging and discharging mechanism, the pressure gauge in the cabinet, the atmospheric pressure gauge, the electric pressure regulator, the electric exhaust valve and the electric valve are respectively connected with the controller through the signal lines;
the electric valve, the air charging and discharging mechanism and the electric pressure regulator are connected in sequence through the high-pressure rubber pipe.
Further, the air charging and discharging mechanism comprises a power component, an air inlet channel, an air discharging channel and a common channel;
the intake passage, the exhaust passage and the common passage are connected to the power unit, respectively;
the public channel is connected with an electric valve, and the air inlet channel is connected with the electric pressure regulator.
In a second aspect, according to an embodiment of the present application, there is provided a method for dynamically adjusting pressure of an inflatable cabinet, including:
acquiring an in-cabinet pressure value in the inflatable cabinet;
acquiring an atmospheric pressure value;
judging whether the difference value between the pressure value in the cabinet and the atmospheric pressure value is smaller than the minimum safety pressure difference value of the bulge of the inflatable cabinet or not, or whether the difference value between the atmospheric pressure value and the pressure value in the cabinet is smaller than the minimum safety pressure difference value of the depression of the inflatable cabinet or not;
if the difference value between the pressure value in the cabinet and the atmospheric pressure value is not less than the minimum safety pressure difference value of the bulge of the inflatable cabinet, or the difference value between the atmospheric pressure value and the pressure value in the cabinet is not less than the minimum safety pressure difference value of the depression of the inflatable cabinet, judging whether the pressure value in the cabinet is greater than the atmospheric pressure value;
if the pressure value in the cabinet is larger than the atmospheric pressure value, starting an air charging and discharging mechanism and an electric valve;
and if the pressure value in the cabinet is not greater than the atmospheric pressure value, starting the electric exhaust valve, the electric pressure regulator, the air charging and exhausting mechanism and the electric valve.
Further, the step of obtaining the pressure value in the gas charging cabinet is performed after the step of starting the gas charging and discharging mechanism and the electric valve or starting the electric gas discharging valve, the electric pressure regulator, the gas charging and discharging mechanism and the electric valve.
In a third aspect, according to an embodiment of the present application, there is provided a dynamic pressure regulating device for an inflatable cabinet, including:
the first acquisition unit is used for acquiring the pressure value in the inflatable cabinet;
a second acquisition unit configured to acquire an atmospheric pressure value;
the first judgment unit is used for judging whether the difference value between the cabinet internal pressure value and the atmospheric pressure value is smaller than the minimum safety pressure difference value of the inflatable cabinet bulge or not, or whether the difference value between the atmospheric pressure value and the cabinet internal pressure value is smaller than the minimum safety pressure difference value of the inflatable cabinet depression;
the second judgment unit is used for judging whether the pressure value in the cabinet is greater than the atmospheric pressure value or not if the difference value between the pressure value in the cabinet and the atmospheric pressure value is not less than the minimum safety pressure difference value of the bulge of the inflatable cabinet or the difference value between the atmospheric pressure value and the pressure value in the cabinet is not less than the minimum safety pressure difference value of the depression of the inflatable cabinet;
the first starting unit is used for starting the air charging and exhausting mechanism and the electric valve if the pressure value in the cabinet is greater than the atmospheric pressure value;
and the second starting unit is used for starting the electric exhaust valve, the electric pressure regulator, the air charging and exhausting mechanism and the electric valve if the pressure value in the cabinet is not greater than the atmospheric pressure value.
According to the technical scheme, the embodiment of the application provides a dynamic adjustment method, a device and a system for an inflatable cabinet, wherein the system comprises a controller, an inflation and exhaust mechanism, an in-cabinet pressure gauge, an atmospheric pressure gauge, a power-driven pressure regulator, a power-driven exhaust valve, an electric valve, a liquid nitrogen bottle, a high-pressure rubber tube, a signal line and the inflatable cabinet; the pressure meter in the cabinet is arranged in the inflatable cabinet, and the electric valve is arranged on the outer wall of the inflatable cabinet; the electric exhaust valve is connected with the liquid nitrogen bottle, and the electric pressure regulator is connected with the electric exhaust valve; the charging and discharging mechanism, the pressure gauge in the cabinet, the atmospheric pressure gauge, the electric pressure regulator, the electric exhaust valve and the electric valve are respectively connected with the controller through the signal lines; the electric valve, the air charging and discharging mechanism and the electric pressure regulator are connected in sequence through the high-pressure rubber pipe. When the external environment atmospheric pressure is greater than the pressure in the inflating cabinet by a certain value, the inflating cabinet is inflated, and when the pressure in the inflating cabinet is greater than the external environment pressure value by a certain value, the inflating cabinet is deflated. This application can aerify the cabinet internal pressure according to ambient pressure dynamic adjustment, need not artificial operation, aerifys the cabinet transportation on the way and protects to aerify the cabinet and do not receive the poor influence of pressure and warp, has advantages such as convenient, automatic height, strong reliability.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram illustrating a dynamic pressure regulating system for an inflatable cabinet, according to a preferred embodiment of the present application;
FIG. 2 is a schematic illustration of an inflator mechanism according to a preferred embodiment of the present application;
FIG. 3 is a flow chart illustrating a dynamic pressure regulation system for an inflatable cabinet according to a preferred embodiment of the present application;
fig. 4 is a block diagram illustrating a dynamic pressure regulating device for an inflatable cabinet according to a preferred embodiment of the present application.
Illustration of the drawings:
the device comprises a controller 1, an air charging and discharging mechanism 2, a power part 21, an air inlet channel 22, an air discharging channel 23, a public channel 24, an internal pressure gauge 3, an atmospheric pressure gauge 4, an electric pressure regulator 5, an electric exhaust valve 6, an electric valve 7, a liquid nitrogen bottle 8, a high-pressure rubber tube 9, a signal line 10 and an air charging cabinet 11.
Detailed Description
Referring to fig. 1, in order to solve the transportation problem of the gas-filled tank, the embodiment of the present application provides a dynamic pressure regulating system for a gas-filled tank, which includes a controller 1, a gas charging and discharging mechanism 2, an in-tank pressure gauge 3, an atmospheric pressure gauge 4, an electric pressure regulator 5, an electric exhaust valve 6, an electric valve 7, a liquid nitrogen bottle 8, a high-pressure rubber tube 9, a signal line 10 and a gas-filled tank 11;
the pressure gauge 3 in the cabinet is arranged in the inflatable cabinet 11, and the electric valve 7 is arranged on the outer wall of the inflatable cabinet 11;
the electric exhaust valve 6 is connected with the liquid nitrogen bottle 8, and the electric pressure regulator 5 is connected with the electric exhaust valve 6;
the air charging and discharging mechanism 2, the in-cabinet pressure gauge 3, the atmospheric pressure gauge 4, the electric pressure regulator 5, the electric exhaust valve 6 and the electric valve 7 are respectively connected with the controller 1 through the signal line 10;
the electric valve 7, the air charging and discharging mechanism 2 and the electric pressure regulator 5 are sequentially connected through the high-pressure rubber pipe 9.
When the pressure regulating device is used, the values of the pressure gauge 3 and the atmospheric pressure gauge 4 in the cabinet are acquired in real time, the value of the pressure gauge 3 in the cabinet and the value of the atmospheric pressure gauge 4 are fed back to the controller 1 in the form of electronic signals through signal lines, the air charging and discharging mechanism 2, the electric pressure regulator 5, the electric exhaust valve 6 and the electric valve 7 are controlled through a certain logic relation by judging the size of the two pressure gauges and calculating the difference value, when the external environment atmospheric pressure is greater than a certain value of the internal pressure of the air charging cabinet, the air charging cabinet is charged, when the pressure of the air charging cabinet is greater than a certain value of the external environment pressure, the air charging cabinet is deflated without artificial control, and the effect of dynamically regulating the pressure of the air. This application can effectively realize aerifing the dynamic adjustment of cabinet internal pressure in the transportation of cabinet, can avoid aerifing the cabinet because ambient pressure's change, leads to aerifing the cabinet and swell or sunken.
This application can aerify the cabinet internal pressure according to ambient pressure dynamic adjustment, need not artificial operation, aerifys the cabinet transportation on the way and protects to aerify the cabinet and do not receive the poor influence of pressure and warp, has advantages such as convenient, automatic height, strong reliability.
Should fix nitrogen cylinder 8 well in transit, avoid the collision to cause the explosion, still should be equipped with portable power source for dynamic voltage regulator, guarantee to use electric drive's part can normal operating.
Referring to fig. 2, the charging and discharging mechanism 2 includes a power unit 21, an intake passage 22, an exhaust passage 23, and a common passage 24;
the intake passage 22, the exhaust passage 23, and the common passage 24 are connected to the power unit 21, respectively;
the common passage 24 is connected to the electric valve 7, and the intake passage 22 is connected to the electric pressure regulator 5.
The power unit 21 makes it easier to fill or evacuate the gas-filled cabinet 11 with nitrogen. When the gas is filled, the exhaust channel 23 is closed, and when the gas is discharged or filled, the gas inlet channel 22 is closed, and the exhaust channel 23 is opened to discharge the redundant nitrogen gas in the cabinet or the residual nitrogen gas in the device.
When the inflating cabinet 11 inflates, the electric exhaust valve 6 is opened, the electric pressure regulator 5 is opened, the inflating and exhausting mechanism 2 is opened, and the electric valve 7 is opened. During exhausting, the gas charging and exhausting mechanism 2 is opened, the electric valve 7 is opened, the electric exhaust valve 6 is closed, and the electric pressure regulator 5 is closed. And in the non-inflation or exhaust time, the electric exhaust valve 6 is closed, the electric pressure regulator 5 is closed, the inflation and exhaust mechanism 2 is closed, and the electric valve 7 is closed.
Referring to fig. 3, an embodiment of the present application provides a method for dynamically adjusting pressure of an inflatable cabinet, including:
s1, acquiring an in-cabinet pressure value in the inflatable cabinet;
step S2, obtaining an atmospheric pressure value;
step S3, judging whether the difference value between the cabinet internal pressure value and the atmospheric pressure value is smaller than the minimum safe pressure difference value of the inflatable cabinet bulge, or whether the difference value between the atmospheric pressure value and the cabinet internal pressure value is smaller than the minimum safe pressure difference value of the inflatable cabinet depression;
if the difference value between the cabinet internal pressure value and the atmospheric pressure value is not less than the minimum safety pressure difference value of the inflatable cabinet bulge, or the difference value between the atmospheric pressure value and the cabinet internal pressure value is not less than the minimum safety pressure difference value of the inflatable cabinet depression, executing step S4, and judging whether the cabinet internal pressure value is greater than the atmospheric pressure value;
if the pressure value in the cabinet is larger than the atmospheric pressure value, executing step S5, starting an air charging and discharging mechanism and an electric valve;
when the charging and discharging mechanism and the electric valve are started, the electric discharging valve and the electric pressure regulator are in a closed state.
And if the pressure value in the cabinet is not greater than the atmospheric pressure value, executing step S6, starting the electric exhaust valve, the electric pressure regulator, the air charging and discharging mechanism and the electric valve.
Further, after the step S5 of starting the air charging and discharging mechanism and the electric valve or the step S6 of starting the electric air discharging valve, the electric pressure regulator, the air charging and discharging mechanism and the electric valve, the step S1 of obtaining the pressure value in the air charging cabinet is executed.
Referring to fig. 4, an embodiment of the present application provides a dynamic pressure regulating device for an inflatable cabinet, including:
the first acquiring unit 101 is used for acquiring an in-cabinet pressure value in the inflatable cabinet;
a second acquiring unit 102 configured to acquire an atmospheric pressure value;
the first judging unit 103 is configured to judge whether a difference between the cabinet internal pressure value and the atmospheric pressure value is smaller than an inflation cabinet bulge minimum safety pressure difference, or whether a difference between the atmospheric pressure value and the cabinet internal pressure value is smaller than an inflation cabinet depression safety minimum pressure difference;
a second judging unit 104, configured to judge whether the pressure value in the cabinet is greater than the atmospheric pressure value if the difference between the pressure value in the cabinet and the atmospheric pressure value is not less than the minimum safe pressure difference of the bulge of the inflatable cabinet, or if the difference between the atmospheric pressure value and the pressure value in the cabinet is not less than the minimum safe pressure difference of the depression of the inflatable cabinet;
a first starting unit 105, configured to start the air charging and discharging mechanism and the electrically operated valve if the pressure value in the cabinet is greater than the atmospheric pressure value;
and the second starting unit 106 is used for starting the electric exhaust valve, the electric pressure regulator, the air charging and exhausting mechanism and the electric valve if the pressure value in the cabinet is not greater than the atmospheric pressure value.
According to the technical scheme, the embodiment of the application provides a dynamic adjustment method, a dynamic adjustment device and a dynamic adjustment system for an inflation cabinet, wherein the system comprises a controller 1, an inflation and exhaust mechanism 2, an in-cabinet pressure gauge 3, an atmospheric pressure gauge 4, an electric pressure regulator 5, an electric exhaust valve 6, an electric valve 7, a liquid nitrogen bottle 8, a high-pressure rubber tube 9, a signal line 10 and an inflation cabinet 11; the pressure gauge 3 in the cabinet is arranged in the inflatable cabinet 11, and the electric valve 7 is arranged on the outer wall of the inflatable cabinet 11; the electric exhaust valve 6 is connected with the liquid nitrogen bottle 8, and the electric pressure regulator 5 is connected with the electric exhaust valve 6; the air charging and discharging mechanism 2, the in-cabinet pressure gauge 3, the atmospheric pressure gauge 4, the electric pressure regulator 5, the electric exhaust valve 6 and the electric valve 7 are respectively connected with the controller 1 through the signal line 10; the electric valve 7, the air charging and discharging mechanism 2 and the electric pressure regulator 5 are sequentially connected through the high-pressure rubber pipe 9. . When the external environment atmospheric pressure is greater than the pressure in the inflating cabinet by a certain value, the inflating cabinet is inflated, and when the pressure in the inflating cabinet is greater than the external environment pressure value by a certain value, the inflating cabinet is deflated. This application can aerify the cabinet internal pressure according to ambient pressure dynamic adjustment, need not artificial operation, aerifys the cabinet transportation on the way and protects to aerify the cabinet and do not receive the poor influence of pressure and warp, has advantages such as convenient, automatic height, strong reliability.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (5)
1. A dynamic pressure regulating system of an inflatable cabinet is characterized by comprising a controller, an inflation and exhaust mechanism, an in-cabinet pressure gauge, an atmospheric pressure gauge, an electric pressure regulator, an electric exhaust valve, an electric valve, a liquid nitrogen bottle, a high-pressure rubber tube, a signal wire and the inflatable cabinet;
the pressure meter in the cabinet is arranged in the inflatable cabinet, and the electric valve is arranged on the outer wall of the inflatable cabinet;
the electric exhaust valve is connected with the liquid nitrogen bottle, and the electric pressure regulator is connected with the electric exhaust valve;
the charging and discharging mechanism, the pressure gauge in the cabinet, the atmospheric pressure gauge, the electric pressure regulator, the electric exhaust valve and the electric valve are respectively connected with the controller through the signal lines;
the electric valve, the air charging and discharging mechanism and the electric pressure regulator are connected in sequence through the high-pressure rubber pipe.
2. The system of claim 1, wherein the charging and discharging mechanism comprises a power component, an intake passage, a discharge passage, and a common passage;
the intake passage, the exhaust passage and the common passage are connected to the power unit, respectively;
the public channel is connected with an electric valve, and the air inlet channel is connected with the electric pressure regulator.
3. A dynamic pressure regulating method for an inflatable cabinet is characterized by comprising the following steps:
acquiring an in-cabinet pressure value in the inflatable cabinet;
acquiring an atmospheric pressure value;
judging whether the difference value between the pressure value in the cabinet and the atmospheric pressure value is smaller than the minimum safety pressure difference value of the bulge of the inflatable cabinet or not, or whether the difference value between the atmospheric pressure value and the pressure value in the cabinet is smaller than the minimum safety pressure difference value of the depression of the inflatable cabinet or not;
if the difference value between the pressure value in the cabinet and the atmospheric pressure value is not less than the minimum safety pressure difference value of the bulge of the inflatable cabinet, or the difference value between the atmospheric pressure value and the pressure value in the cabinet is not less than the minimum safety pressure difference value of the depression of the inflatable cabinet, judging whether the pressure value in the cabinet is greater than the atmospheric pressure value;
if the pressure value in the cabinet is larger than the atmospheric pressure value, starting an air charging and discharging mechanism and an electric valve;
and if the pressure value in the cabinet is not greater than the atmospheric pressure value, starting the electric exhaust valve, the electric pressure regulator, the air charging and exhausting mechanism and the electric valve.
4. The method of claim 3, wherein the step of obtaining an in-cabinet pressure value within the inflatable cabinet is performed after the step of actuating the inflation and deflation mechanism and the electrically actuated valve or actuating the electrically actuated exhaust valve, the electrically actuated pressure regulator, the inflation and deflation mechanism and the electrically actuated valve.
5. The utility model provides an aerify cabinet dynamic pressure regulating device which characterized in that includes:
the first acquisition unit is used for acquiring the pressure value in the inflatable cabinet;
a second acquisition unit configured to acquire an atmospheric pressure value;
the first judgment unit is used for judging whether the difference value between the cabinet internal pressure value and the atmospheric pressure value is smaller than the minimum safety pressure difference value of the inflatable cabinet bulge or not, or whether the difference value between the atmospheric pressure value and the cabinet internal pressure value is smaller than the minimum safety pressure difference value of the inflatable cabinet depression;
the second judgment unit is used for judging whether the pressure value in the cabinet is greater than the atmospheric pressure value or not if the difference value between the pressure value in the cabinet and the atmospheric pressure value is not less than the minimum safety pressure difference value of the bulge of the inflatable cabinet or the difference value between the atmospheric pressure value and the pressure value in the cabinet is not less than the minimum safety pressure difference value of the depression of the inflatable cabinet;
the first starting unit is used for starting the air charging and exhausting mechanism and the electric valve if the pressure value in the cabinet is greater than the atmospheric pressure value;
and the second starting unit is used for starting the electric exhaust valve, the electric pressure regulator, the air charging and exhausting mechanism and the electric valve if the pressure value in the cabinet is not greater than the atmospheric pressure value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911182931.7A CN110838693A (en) | 2019-11-27 | 2019-11-27 | Dynamic adjustment method, device and system for inflatable cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911182931.7A CN110838693A (en) | 2019-11-27 | 2019-11-27 | Dynamic adjustment method, device and system for inflatable cabinet |
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| Publication Number | Publication Date |
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| CN110838693A true CN110838693A (en) | 2020-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911182931.7A Pending CN110838693A (en) | 2019-11-27 | 2019-11-27 | Dynamic adjustment method, device and system for inflatable cabinet |
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| CN (1) | CN110838693A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112152136A (en) * | 2020-09-21 | 2020-12-29 | 湖北省电力装备有限公司 | Gas-insulated metal-enclosed switchgear for high-voltage power |
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| CN203381469U (en) * | 2013-06-26 | 2014-01-08 | 成都睿信天和科技有限公司 | Automatic differential pressure regulating device for hollow train window of highland train |
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Application publication date: 20200225 |