CN216345408U - Gaseous intelligent aerating device of portable SF6 - Google Patents
Gaseous intelligent aerating device of portable SF6 Download PDFInfo
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- CN216345408U CN216345408U CN202120914041.7U CN202120914041U CN216345408U CN 216345408 U CN216345408 U CN 216345408U CN 202120914041 U CN202120914041 U CN 202120914041U CN 216345408 U CN216345408 U CN 216345408U
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Abstract
The utility model discloses a mobile SF6 gas intelligent inflating device, which comprises a trolley for placing an inflating bottle, wherein a gravity sensor, a heater and a controller are arranged on the trolley, the gravity sensor and the heater are respectively connected with the controller, the mobile SF6 gas intelligent inflating device also comprises a gas leakage sensor and an alarm device, the gas leakage sensor is arranged on the trolley and is positioned near an exhaust port of the inflating bottle, the alarm device is arranged on the trolley, the gas leakage sensor and the alarm device are respectively connected with the controller, when the field gas concentration reaches a certain value, the gas leakage sensor detects and sends information to the controller, the controller starts the alarm device to remind workers of gas leakage, corresponding handling and evacuation of the workers are carried out, and unsafe accidents are prevented.
Description
Technical Field
The utility model belongs to the technical field of power equipment maintenance, and particularly relates to a mobile SF6 gas intelligent inflation device.
Background
SF6The gas charging device is widely applied to high-voltage switch factories, electric appliance research institutes, power plants, power transmission substations and the like, and is used for SF6And (5) inflating and supplementing the gas. Along with the improvement of industrialization level, the requirements on safety production and fine management are higher and higher, and SF is not installed on most working sites in the equipment installation period6The gas leakage detection alarm system adopts the traditional inflation method, and each gas chamber can not realize quantificationAnd (5) gas injection management.
Currently, SF6Most of the air chambers are inflated by adopting an air bottle to be decompressed by a pressure reducing valve and then inflated or inflated by a gas recovery trolley, whether the inflation is enough is judged by only depending on the pressure of the air chambers, and each air chamber can not realize quantitative air injection; when gas leaks, a gas leakage detection alarm system is not installed on a construction site, and if workers cannot find the gas leakage detection alarm system in the first time, personal casualties such as poisoning and suffocation are easy to happen, and the life safety of the workers is threatened.
In addition, chinese patent publication No. CN207599335U discloses an intelligent SF6 gas charging and discharging device in 7/10/2018, which comprises a moving frame, and a control circuit and an air charging device mounted on the moving frame; the control circuit comprises a central control unit, a pressure sensor, a human-computer interaction device and a proportional valve, wherein the central control unit is electrically connected with the pressure sensor, the human-computer interaction device and the proportional valve; the air charging device comprises an air bottle, an air inlet interface and an air outlet interface, the air bottle is connected with the air inlet interface, a gas conveying pipeline is connected between the air inlet interface and the air outlet interface, a pressure reducing valve is further connected between the air inlet interface and the gas conveying pipeline, and a proportional valve and a pressure sensor are installed in the gas conveying pipeline. Above-mentioned utility model controls the inflation process through central controller, makes target device's tonifying qi work more standard, and when nevertheless gas emergence was leaked, gas leakage detection alarm system was not installed to the job site, and the unable very first time of staff discovers, and the personal casualties incident such as easily takes place the poisoning of personnel, suffocation brings the threat to personnel's life safety, easily causes the emergence of unsafe accident.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a mobile SF6 gas intelligent inflation device, and aims to detect whether leakage exists in an inflation site and perform early warning.
In order to solve the technical problems, the utility model adopts the technical scheme that:
the utility model provides a gaseous intelligent aerating device of portable SF6, is equipped with gravity sensor, heater and controller including the dolly that is used for placing the gas cylinder on the dolly, gravity sensor, heater are connected with the controller respectively, its characterized in that: the gas leakage alarm device is characterized by further comprising a gas leakage sensor and an alarm device, wherein the gas leakage sensor is arranged on the trolley and is located near an exhaust port of the inflation bottle, the alarm device is arranged on the trolley, and the gas leakage sensor and the alarm device are respectively connected with the controller. When the field gas concentration reaches a certain value, the gas leakage sensor detects and sends information to the controller, and the controller starts the alarm device to remind workers of gas leakage, corresponding treatment and personnel evacuation.
Furthermore, an electromagnetic valve is further covered, the external inflation of the inflation bottle is controlled through the electromagnetic valve, and the electromagnetic valve is connected with the controller. The air charging bottle is charged with air through the electromagnetic valve, and firstly, when the field gas concentration reaches a certain value (higher), the alarm device is started and can realize automatic closing of the air charging bottle; and secondly, the air inflation quantity can be automatically controlled by combining a gravity sensor.
Further, still include temperature sensor, temperature sensor sets up on the gas cylinder, and temperature sensor is connected with the controller. The temperature sensor, the heating gas and the controller are connected, so that automatic heating can be realized according to the temperature of the inflation bottle.
The trolley is provided with a fixed iron chain for fixing the inflation bottle, and the alarm device is an alarm indicator lamp or a buzzer.
The utility model has the following advantages:
1. the gas leakage monitoring system comprises a gas leakage sensor and an alarm device to monitor the concentration of gas on site, the gas leakage sensor detects and sends information to the controller, and the controller starts the alarm device to remind workers of gas leakage, and corresponding treatment and personnel evacuation are carried out.
2. The external inflation of the inflation bottle is controlled by an electromagnetic valve, and the electromagnetic valve is connected with a controller. The air charging bottle is charged with air through the electromagnetic valve, and firstly, when the field gas concentration reaches a certain value (higher), the alarm device is started and can realize automatic closing of the air charging bottle; and secondly, the air inflation quantity can be automatically controlled by combining a gravity sensor.
3. The temperature sensor is arranged on the inflation bottle and is connected with the controller. The temperature sensor, the heating gas and the controller are connected, so that automatic heating can be realized according to the temperature of the inflation bottle.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
The labels in the figure are: 1. the device comprises a trolley, 2, a gravity sensor, 3, an inflation bottle, 4, a heater, 5, a gas leakage sensor, 6, an alarm device, 7, a temperature sensor, 8, an electromagnetic valve, 9, a controller, 10 and a fixed iron chain.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to the following examples, which are conventional unless otherwise specified, and the materials are commercially available from the public unless otherwise specified.
A mobile SF6 gas intelligent inflation device is shown in figure 1 and comprises a trolley 3 for placing an inflation bottle 3, wherein the trolley 3 can move to a place to be inflated through rollers arranged on the trolley 3. The gravity sensor 2 and the heater 4 are arranged on the base of the trolley 1, the inflation bottle 3 is placed on the gravity sensor 2 and the heater 4, the gravity sensor 2 senses the gravity change of the inflation bottle 3, the heater 4 is used for heating the inflation bottle 3, the controller 9 is arranged on the frame of the trolley 1, and the gravity sensor 2 and the heater 4 are respectively connected with the controller 9.
In order to prevent unsafe accidents caused by gas leakage, the gas leakage alarm device further comprises a gas leakage sensor 5 and an alarm device 6, wherein the gas leakage sensor 5 is arranged on the frame of the trolley 1 and is positioned near the exhaust port of the inflation bottle 3 and used for detecting the concentration of leaked gas, the alarm device 6 is arranged on the frame of the trolley 1, and the gas leakage sensor 5 and the alarm device 6 are respectively connected with the controller 9. When the field gas concentration reaches a certain value, the gas leakage sensor detects and sends information to the controller, and the controller starts the alarm device to remind workers of gas leakage, corresponding treatment and personnel evacuation. The alarm device 6 is an alarm indicator lamp or a buzzer. The trolley (1) is provided with a fixed iron chain (10) for fixing the inflation bottle (3).
In order to realize the automation of alarming and external inflation, the inflatable bottle 3 is further provided with an electromagnetic valve 8, the external inflation of the inflatable bottle 3 is controlled through the electromagnetic valve 8, namely the electromagnetic valve 8 is arranged on an inflation exhaust port of the inflatable bottle 3, and the electromagnetic valve 8 is connected with a controller 9.
Simultaneously in order to realize self-heating, still include temperature sensor 7, temperature sensor 7 sets up on gas cylinder 3, and temperature sensor 7 is connected with controller 9.
The utility model utilizes the high-precision gravity sensor to detect the weight of the gas cylinder in real time and realizes the quantitative management of the gas chamber by calculating the weight change of the gas cylinder. The initial weight of the gas cylinder is T1, the inflation quantity T is input, at the moment, a button for starting inflation is pressed on the controller, the inflation solenoid valve is electrified to start inflation, and when the pressure of the gas chamber reaches the rated pressure P or the inflation quantity T is reached, the solenoid valve is automatically cut off to stop inflation.
The specific judgment method comprises the following steps: the filling amount is T1-T2(T2 is the weight of the air bottle at the end of filling); t1 and t2 are adjustable variable fixed values, and the fixed values are adjusted according to the field requirements. When the field gas concentration reaches a certain value, the electromagnetic valve is automatically cut off to stop inflation, the leakage alarm indicating lamp is lightened, the buzzer is started, the worker is reminded of gas leakage, and corresponding treatment and personnel evacuation are carried out. The weight value measured by the high-precision stress weighing sensor is displayed on the controller in real time; the bottom of the inflation device is provided with the roller with the lock, so that the movement is convenient, and the fixation is reliable.
A leakage sensor is arranged near the interface of the gas filling cylinder, when gas leakage reaches a certain concentration, the electromagnetic valve is automatically cut off to stop gas filling, and meanwhile, the sound-light alarm instrument is started to prompt staff to evacuate.
The gas cylinder support frame is arranged on the trolley, the gas cylinder is fixed on the trolley by using the binding band or the hinge, and the gas cylinder is positioned at the central position of the heater, so that the gas cylinder can be effectively prevented from being toppled over, and the gas cylinder is uniformly heated. When the ambient temperature of the air cylinder is lower than t1, the heating device is automatically started, and the heating device is automatically stopped when the temperature reaches t 2.
Claims (5)
1. The utility model provides a gaseous intelligent aerating device of portable SF6, is equipped with gravity sensor (2), heater (4) and controller (9) including dolly (1) that is used for placing gas cylinder (3) on dolly (1), gravity sensor (2), heater (4) are connected its characterized in that with controller (9) respectively: the gas leakage monitoring device is characterized by further comprising a gas leakage sensor (5) and an alarm device (6), wherein the gas leakage sensor (5) is arranged on the trolley (1) and is located near an exhaust port of the inflation bottle (3), the alarm device (6) is arranged on the trolley (1), and the gas leakage sensor (5) and the alarm device (6) are respectively connected with the controller (9).
2. The mobile SF6 gas intelligent inflator of claim 1, wherein: the air inflation bottle is characterized by further comprising an electromagnetic valve (8), the air inflation bottle (3) is controlled to inflate outwards through the electromagnetic valve (8), and the electromagnetic valve (8) is connected with a controller (9).
3. The mobile SF6 gas intelligent inflator of claim 1, wherein: still include temperature sensor (7), temperature sensor (7) set up on gas cylinder (3), and temperature sensor (7) are connected with controller (9).
4. The mobile SF6 gas intelligent inflator of claim 1, wherein: the trolley (1) is provided with a fixed iron chain (10) for fixing the inflation bottle (3).
5. The mobile SF6 gas intelligent inflator of claim 1, wherein: the alarm device (6) is an alarm indicator lamp or a buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120914041.7U CN216345408U (en) | 2021-04-29 | 2021-04-29 | Gaseous intelligent aerating device of portable SF6 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120914041.7U CN216345408U (en) | 2021-04-29 | 2021-04-29 | Gaseous intelligent aerating device of portable SF6 |
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| Publication Number | Publication Date |
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| CN216345408U true CN216345408U (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120914041.7U Active CN216345408U (en) | 2021-04-29 | 2021-04-29 | Gaseous intelligent aerating device of portable SF6 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115307058A (en) * | 2022-07-18 | 2022-11-08 | 国网湖北省电力有限公司直流公司 | Multifunctional trolley for SF6 gas supplement of converter station |
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2021
- 2021-04-29 CN CN202120914041.7U patent/CN216345408U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115307058A (en) * | 2022-07-18 | 2022-11-08 | 国网湖北省电力有限公司直流公司 | Multifunctional trolley for SF6 gas supplement of converter station |
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