CN211010769U - Portable full-automatic alarm air supplement unit - Google Patents
Portable full-automatic alarm air supplement unit Download PDFInfo
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- CN211010769U CN211010769U CN201921845468.5U CN201921845468U CN211010769U CN 211010769 U CN211010769 U CN 211010769U CN 201921845468 U CN201921845468 U CN 201921845468U CN 211010769 U CN211010769 U CN 211010769U
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- sulfur hexafluoride
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- dehumidification
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Abstract
The utility model discloses a portable full-automatic alarm air supplement unit, it includes gas holder, pneumatic self-modulation valve, buffer tank, dehumidification jar and control system, the gas holder is used for storing sulfur hexafluoride, the export of gas holder and the access connection of pneumatic self-modulation valve, the export of pneumatic self-modulation valve and the access connection of buffer tank, the export of buffer tank and the access connection of dehumidification jar, the export of dehumidification jar is connected with sulfur hexafluoride electrical equipment's air inlet, pneumatic self-modulation valve is connected with the control system electricity, control system establishes based on P L C, the utility model discloses can use sulfur hexafluoride's electrical equipment's in the automated inspection transformer substation sulfur hexafluoride pressure, in time report to the police and can the automatic air supplement when taking place sulfur hexafluoride and leak.
Description
Technical Field
The utility model relates to a portable full autoalarm air supplement unit belongs to the sulfur hexafluoride equipment tonifying qi technical field of transformer substation use.
Background
Sulfur hexafluoride is a stable gas which is colorless, odorless, nontoxic and noncombustible, and from the middle of the 60 s, sulfur hexafluoride is widely used as an insulating medium of high-voltage electrical equipment, sulfur hexafluoride gas-insulated fully-closed switchgear occupies a much smaller area than conventional open high-voltage power distribution equipment, and the operation of the sulfur hexafluoride gas-insulated fully-closed switchgear is not affected by external weather and environmental conditions, so that the sulfur hexafluoride gas-insulated fully-closed switchgear is not only widely used in ultrahigh-voltage and extra-high-voltage power systems, but also has begun to be used in power distribution networks. The sulfur hexafluoride gas insulated pipeline power transmission line has the advantages of small dielectric loss and large transmission capacity, and can be used in high-fall occasions, so that the sulfur hexafluoride gas insulated pipeline power transmission line is commonly used for outlet wires of hydropower stations to replace conventional oil-filled cables, and the sulfur hexafluoride gas insulated transformer has the advantages of fire prevention and explosion prevention, and is particularly suitable for power supply of densely populated areas and high-rise buildings.
Although electrical equipment using sulfur hexafluoride has been popularized to operate in the whole network, sulfur hexafluoride electrical equipment also has some disadvantages, such as sulfur hexafluoride gas which is cut off by an electric arc is extremely toxic, and the penetration of external moisture and air can cause the increase of toxic substances, thereby seriously affecting the electrical performance of the equipment, corroding the equipment and harming the health of workers; meanwhile, the leakage of sulfur hexafluoride gas greatly increases the workload of the transformer maintenance team for air supplement of the electrical equipment, most transformer substations are located at a distance of at least 50 kilometers away from the local part, most of the air supplement work is temporary or urgent, and the air supplement work is more in the morning or at night, so that the workload of maintenance personnel is high, personal risks are easy to occur in night operation, multiple persons are required to be matched with each other in the air supplement process, the air pressure of the equipment is concerned all the time, the air pipe valve is adjusted for multiple times, the inflation efficiency is low, and the labor and the working cost are high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the not enough of existence among the prior art, provide a portable full autoalarm air supplement unit, use the sulfur hexafluoride's of sulfur hexafluoride electrical equipment's sulfur hexafluoride pressure in the automated inspection transformer substation, in time report to the police and can the automatic air supplement when taking place the sulfur hexafluoride and leak.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a portable full-automatic alarming and air supplementing device comprises an air storage tank, a pneumatic self-regulating valve, a buffer tank, a dehumidification tank and a control system, wherein the air storage tank is used for storing sulfur hexafluoride, an outlet of the air storage tank is connected with an inlet of the pneumatic self-regulating valve, an outlet of the pneumatic self-regulating valve is connected with an inlet of the buffer tank, an outlet of the buffer tank is connected with an inlet of the dehumidification tank, an outlet of the dehumidification tank is connected with an air inlet of sulfur hexafluoride electrical equipment, the pneumatic self-regulating valve is electrically connected with the control system, and the control system is established based on P L C.
Further, the buffer tank comprises a tank body, a baffle plate and an acousto-optic alarm lamp; the acousto-optic alarm lamp is arranged at the top of the tank body; the inner walls above and below the inlet of the tank body are respectively provided with a groove, the bottom surface of each groove is provided with a pressure sensor, each pressure sensor is fixedly connected with a spring, the top of each spring is fixedly connected with one end of a baffle, and under the action of the tensile force of each spring, the baffles are tightly attached to the inner walls of the tank body and completely block the inlet of the tank body; the pressure sensor is electrically connected with the control system.
Further, anhydrous calcium chloride is filled in the dehumidification tank. Therefore, a small amount of moisture in the sulfur hexafluoride can be absorbed, and the humidity of the sulfur hexafluoride in the sulfur hexafluoride electrical equipment is reduced.
Furthermore, a check valve is connected between the dehumidification tank and the sulfur hexafluoride electrical equipment, an outlet of the check valve is connected with an air inlet of the sulfur hexafluoride electrical equipment, and an inlet of the check valve is connected with an outlet of the dehumidification tank.
The working principle of the portable full-automatic alarming air supplement device is as follows:
when the sulfur hexafluoride gas pressure gauge is used, the sulfur hexafluoride gas pressure gauge is installed on sulfur hexafluoride electrical equipment, detected pressure data is transmitted to a control system of the portable full-automatic alarm gas supplementing device, if the pressure value is smaller than a normal value set by the control system, the control system controls the pneumatic self-regulating valve to open to supplement gas, supplemented gas rushes off a baffle plate at an inlet of the buffer tank to enter the buffer tank, then the supplemented gas enters the sulfur hexafluoride electrical equipment after absorbing moisture through the dehumidification tank, when the flow rate of the supplemented gas is too large, the impact force exerted on the baffle plate is large, the distance between the baffle plate and the inlet of the tank body is increased, the baffle plate pulls the spring, a pressure sensor at the tail end of the spring can monitor the tensile force exerted on the spring at any time, when the tensile force exceeds a limit value, the flow rate of the supplemented gas is too large, the impact force exerted on the baffle plate is, reducing gas entering the buffer tank; when the pressure of sulfur hexafluoride gas in the sulfur hexafluoride electrical equipment reaches a normal value, the control system closes the pneumatic self-regulating valve, the gas is stopped to be supplemented, and the baffle plate is reset under the action of the spring to completely block the inlet of the buffer tank.
Compared with the prior art, the technical scheme has the following beneficial effects:
the utility model discloses simple structure, can use the sulfur hexafluoride pressure of the electrical equipment of sulfur hexafluoride in the automated inspection transformer substation, in time report to the police and can the automatic air supplement when taking place the sulfur hexafluoride and leak, improve its work efficiency greatly, reduce the personal risk, improve work efficiency, use manpower sparingly and working cost.
Drawings
Fig. 1 is a schematic structural diagram of the portable full-automatic alarm gas supplementing device in this embodiment 1.
Fig. 2 is a schematic view of the structure of the surge tank described in embodiment 1 and embodiment 2.
Fig. 3 is a schematic structural diagram of the portable full-automatic alarm gas supplementing device in this embodiment 2.
Reference numerals: 1-gas storage tank, 2-pneumatic self-regulating valve, 3-buffer tank, 4-dehumidification tank, 5-sulfur hexafluoride electrical equipment, 6-check valve, 31-tank body, 32-pressure sensor, 33-spring, 34-baffle and 35-acousto-optic alarm lamp.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, but the present invention is not limited to the examples. The specific experimental conditions and methods not indicated in the following examples are generally conventional means well known to those skilled in the art.
Example 1:
as shown in figure 1, the portable full-automatic alarm air supplementing device comprises an air storage tank 1, a pneumatic self-regulating valve 2, a buffer tank 3, a dehumidification tank 4 and a control system, wherein the air storage tank 1 is used for storing sulfur hexafluoride, an outlet of the air storage tank 1 is connected with an inlet of the pneumatic self-regulating valve 2, an outlet of the pneumatic self-regulating valve 2 is connected with an inlet of the buffer tank 3, an outlet of the buffer tank 3 is connected with an inlet of the dehumidification tank 4, an outlet of the dehumidification tank 4 is connected with an air inlet of sulfur hexafluoride electrical equipment 5, the pneumatic self-regulating valve 2 is electrically connected with the control system, the control system is established based on P L C, as shown in figure 2, the buffer tank 3 comprises a tank body 31, a baffle plate 34 and an acousto-optic alarm lamp 35, the acousto-optic alarm lamp 35 is arranged at the top of the tank body 31, a groove is respectively formed in the inner walls above and below the inlet of the tank body 31, a pressure sensor 32 is arranged on the bottom surface of the groove, a spring 33 is fixedly connected with a spring 33, the top of the spring 33 is tightly attached to one end of the baffle plate 34, the inner wall of the tank body is completely and is electrically connected with the inner wall of the tank body 31, the inner.
The working principle of the portable full-automatic alarm air supplement unit is as follows:
when the sulfur hexafluoride gas pressure gauge is used, the sulfur hexafluoride gas pressure gauge is installed on sulfur hexafluoride electrical equipment 5, detected pressure data are transmitted to a control system of the portable full-automatic alarm gas supplementing device, if the pressure value is smaller than a normal value set by the control system, the control system controls the pneumatic self-regulating valve 2 to be opened for gas supplementing operation, supplemented gas rushes a baffle 34 at an inlet of the buffer tank 3 to enter the buffer tank 3, then enters the sulfur hexafluoride electrical equipment 5 after moisture is absorbed by the dehumidifying tank 4, when the flow rate of the supplemented gas is overlarge, the impact force borne by the baffle 34 is large, the distance between the baffle 34 and an inlet of the tank body 31 is increased, meanwhile, the baffle 34 pulls the spring 33, the pressure sensor 32 at the tail end of the spring 33 can monitor the tensile force borne by the spring 33 at any time, when the tensile force exceeds a limit value, the flow rate of the supplemented gas is overlarge, so that the impact force, meanwhile, the opening degree of the pneumatic self-regulating valve 2 is adjusted, and gas entering the buffer tank 3 is reduced; when the pressure of the sulfur hexafluoride gas in the sulfur hexafluoride electrical equipment 5 reaches a normal value, the control system closes the pneumatic self-regulating valve 2, the gas is stopped to be supplemented, and the baffle 34 is reset under the action of the spring 33 to completely block the inlet of the buffer tank 3.
Example 2:
as shown in figure 3, the portable full-automatic alarm gas supplementing device comprises a gas storage tank 1, a pneumatic self-regulating valve 2, a buffer tank 3, a dehumidification tank 4 and a control system, wherein the gas storage tank 1 is used for storing sulfur hexafluoride, an outlet of the gas storage tank 1 is connected with an inlet of the pneumatic self-regulating valve 2, an outlet of the pneumatic self-regulating valve 2 is connected with an inlet of the buffer tank 3, an outlet of the buffer tank 3 is connected with an inlet of the dehumidification tank 4, an outlet of the dehumidification tank 4 is connected with a gas inlet of sulfur hexafluoride electrical equipment 5, the pneumatic self-regulating valve 2 is electrically connected with the control system, the control system is established based on P L C, as shown in figure 2, the buffer tank 3 comprises a tank body 31, a baffle 34 and an acousto-optic alarm lamp 35, the acousto-optic alarm lamp 35 is arranged at the top of the tank body 31, a groove is respectively formed in the inner walls above and below the inlet of the tank body 31, a pressure sensor 32 is arranged on the bottom surface of the groove, a spring 33 is fixedly connected with the top of the spring 33, the baffle 34 is tightly connected with one end of the baffle 31, the inner wall of the tank body is completely and is electrically connected with a check valve 6, the inlet of the dehumidification tank 4, and a check valve 6 is connected with the inlet of the dehumidification tank 4, and a check valve 6.
The working principle of the portable full-automatic alarm air supplement unit is as follows:
when the sulfur hexafluoride gas pressure gauge is used, the sulfur hexafluoride gas pressure gauge is installed on sulfur hexafluoride electrical equipment 5, detected pressure data are transmitted to a control system of the portable full-automatic alarming and air supplementing device, if the pressure value is smaller than a normal value set by the control system, the control system controls the pneumatic self-regulating valve 2 to be opened for air supplementing operation, supplemented gas rushes off a baffle 34 at an inlet of the buffer tank 3 to enter the buffer tank 3, then enters the sulfur hexafluoride electrical equipment 5 through the check valve 6 after moisture is absorbed by the dehumidifying tank 4, when the flow rate of the supplemented gas is overlarge, the impulsive force borne by the baffle 34 is large, the distance between the baffle 34 and the inlet of the tank body 31 is enlarged, meanwhile, the baffle 34 pulls the spring 33, the pressure sensor 32 at the tail end of the spring 33 can monitor the tensile force borne by the spring 33 at any time, when the tensile force exceeds a limit value, the flow rate, the control system starts the audible and visual alarm 35 to give an alarm, and simultaneously adjusts the opening of the pneumatic self-regulating valve 2 to reduce the gas entering the buffer tank 3; when the pressure of the sulfur hexafluoride gas in the sulfur hexafluoride electrical equipment 5 reaches a normal value, the control system closes the pneumatic self-regulating valve 2, the gas is stopped to be supplemented, and the baffle 34 is reset under the action of the spring 33 to completely block the inlet of the buffer tank 3.
The present invention is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (4)
1. A portable full-automatic alarming and air supplementing device is characterized by comprising an air storage tank (1), a pneumatic self-regulating valve (2), a buffer tank (3), a dehumidification tank (4) and a control system, wherein the air storage tank (1) is used for storing sulfur hexafluoride, an outlet of the air storage tank (1) is connected with an inlet of the pneumatic self-regulating valve (2), an outlet of the pneumatic self-regulating valve (2) is connected with an inlet of the buffer tank (3), an outlet of the buffer tank (3) is connected with an inlet of the dehumidification tank (4), an outlet of the dehumidification tank (4) is externally connected with an air inlet of sulfur hexafluoride electrical equipment (5), the pneumatic self-regulating valve (2) is electrically connected with the control system, and the control system is established based on P L C.
2. The portable full-automatic alarm air supplementing device according to claim 1, characterized in that: the buffer tank (3) comprises a tank body (31), a baffle plate (34) and an acousto-optic alarm lamp (35); the acousto-optic alarm lamp (35) is arranged at the top of the tank body (31); the inner walls above and below the inlet of the tank body (31) are respectively provided with a groove, the bottom surface of each groove is provided with a pressure sensor (32), each pressure sensor (32) is fixedly connected with a spring (33), the top of each spring (33) is fixedly connected with one end of a baffle (34), and under the action of the tensile force of each spring (33), each baffle (34) is tightly attached to the inner wall of the tank body (31) and completely blocks the inlet of the tank body (31); the pressure sensor (32) is electrically connected with the control system.
3. The portable full-automatic alarm air supplementing device according to claim 1 or 2, characterized in that: and anhydrous calcium chloride is filled in the dehumidification tank (4).
4. The portable full-automatic alarm air supplementing device according to claim 3, characterized in that: still be connected with check valve (6) between dehumidification jar (4) and sulfur hexafluoride electrical equipment (5), the export of check valve (6) is connected with the air inlet of sulfur hexafluoride electrical equipment (5), the import of check valve (6) and the exit linkage of dehumidification jar (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921845468.5U CN211010769U (en) | 2019-10-30 | 2019-10-30 | Portable full-automatic alarm air supplement unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921845468.5U CN211010769U (en) | 2019-10-30 | 2019-10-30 | Portable full-automatic alarm air supplement unit |
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| Publication Number | Publication Date |
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| CN211010769U true CN211010769U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921845468.5U Active CN211010769U (en) | 2019-10-30 | 2019-10-30 | Portable full-automatic alarm air supplement unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778910A (en) * | 2019-10-30 | 2020-02-11 | 广西电网有限责任公司百色供电局 | Portable full-automatic alarm air supplementing device and using method |
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2019
- 2019-10-30 CN CN201921845468.5U patent/CN211010769U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778910A (en) * | 2019-10-30 | 2020-02-11 | 广西电网有限责任公司百色供电局 | Portable full-automatic alarm air supplementing device and using method |
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