CN220206932U - Device for measuring vacuum degree maintaining condition of air chamber - Google Patents
Device for measuring vacuum degree maintaining condition of air chamber Download PDFInfo
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- CN220206932U CN220206932U CN202320944714.2U CN202320944714U CN220206932U CN 220206932 U CN220206932 U CN 220206932U CN 202320944714 U CN202320944714 U CN 202320944714U CN 220206932 U CN220206932 U CN 220206932U
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- vacuum degree
- measuring
- air chamber
- vacuum
- main control
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- 238000012423 maintenance Methods 0.000 claims abstract description 30
- 238000005259 measurement Methods 0.000 claims abstract description 28
- 238000004891 communication Methods 0.000 claims abstract description 19
- 230000003993 interaction Effects 0.000 claims abstract description 10
- 230000014759 maintenance of location Effects 0.000 claims abstract description 7
- 238000013500 data storage Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 description 8
- 229910018503 SF6 Inorganic materials 0.000 description 6
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 6
- 229960000909 sulfur hexafluoride Drugs 0.000 description 6
- 238000012797 qualification Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The device for measuring the vacuum degree maintenance condition of the air chamber comprises an air charging adapter, a vacuum degree measuring sensor and an electronic control system; the measuring port of the vacuum degree measuring sensor is connected with an air charging adapter, and the other end of the air charging adapter is used for connecting an air chamber to be measured; the electronic control system comprises a main control board, a display screen, a Bluetooth communication module, a man-machine interaction input end and a battery. The utility model provides a detecting instrument or device for measuring the vacuum degree retention condition of an air chamber of electrical equipment, after the air chamber is vacuumized, the detecting instrument or device is installed to an air chamber charging port to replace a vacuumizing device for vacuum degree retention measurement, so that the vacuumizing device can perform vacuumizing operation of the next air chamber, the vacuumizing device is prevented from being occupied for a long time, and the utilization efficiency of the vacuumizing device is improved.
Description
Technical Field
The utility model belongs to the technical field of testing of air chambers of sulfur hexafluoride electrical equipment, and particularly relates to a detection instrument for measuring the vacuum degree retention condition of sulfur hexafluoride electrical equipment, which is used for testing whether the vacuum degree retention condition is qualified after the air chamber of the electrical equipment is vacuumized.
Background
Before the sulfur hexafluoride electrical equipment is filled with gas, the air chamber needs to be vacuumized firstly, in order to test the sealing condition of the electrical equipment, the air chamber needs to be vacuumized to 20Pa and then sealed and kept for 5 hours, and meanwhile, the vacuum degree in 5 hours is monitored to be not more than 50Pa, so that the gas can be filled. The currently known measurement method is to use a vacuum-pumping device to perform vacuum pumping, then connect the vacuum-pumping device on an air chamber all the time, read data after five hours, and perform inflation operation when the vacuum degree is not more than 50 Pa.
Disclosure of Invention
In order to overcome the defect that the vacuum degree maintenance measurement is carried out by occupying the vacuum-pumping device for a long time after the traditional sulfur hexafluoride electrical equipment is vacuumized to cause low working efficiency of the vacuum-pumping device, the utility model provides the device for measuring the vacuum degree maintenance condition of the air chamber, and the device is arranged at the air chamber charging port to replace the vacuum-pumping device to carry out the vacuum degree maintenance measurement after the air chamber is vacuumized to 20Pa, so that the vacuum-pumping device can carry out the vacuum-pumping operation of the next air chamber, and the working efficiency is improved.
In order to solve the technical problems, the utility model adopts the following technical scheme that the device for measuring the vacuum degree maintaining condition of the air chamber comprises an air charging adapter, a vacuum degree measuring sensor and an electronic control system;
the measuring port of the vacuum degree measuring sensor is connected with an air charging adapter, and the other end of the air charging adapter is used for connecting an air chamber to be measured;
the electronic control system comprises a main control board, a display screen, a Bluetooth communication module, a man-machine interaction input end and a battery, wherein a data line of the vacuum degree measurement sensor is electrically connected with an input port of the main control board, an input and output port of the main control board is respectively electrically connected with a data line of the display screen and a communication and control line of the Bluetooth communication module, the battery provides various levels of power for the electronic control system, the man-machine interaction input end is connected with the input end of the main control board, and a trigger condition is input or a signal instruction is sent with the main control board to switch the working mode.
And the electronic control system has the functions of realizing vacuum degree maintenance measurement starting, outputting various information during the vacuum degree maintenance period, including vacuum degree data acquisition, vacuum degree maintenance time timing, data storage, display, wireless Bluetooth communication and judging whether the vacuum degree maintenance is qualified or not.
The electronic control system also has a vacuum degree measurement state function and outputs vacuum measurement data.
The inflatable adapter is detachably connected with the vacuum degree measuring sensor.
The man-machine interaction input end comprises a button key and a touch display screen.
And the control logic of the main control board of the electronic control system judges whether the current vacuum degree is larger than a set allowable value after the current vacuum degree holding time t is larger than the set holding time, judges that the vacuum degree is not qualified if the vacuum degree is larger than the set allowable value, and simultaneously displays the initial vacuum degree, the ending vacuum degree, the qualification/disqualification and the vacuumizing holding time information on a display screen.
When the device is applied, after the sulfur hexafluoride electrical equipment air chamber is vacuumized to 20Pa, the device is installed to the air chamber charging port to replace a vacuumizing device or simultaneously perform vacuum degree maintenance measurement, and the vacuumizing device can perform vacuumizing operation of the next air chamber during replacement, so that the working efficiency of the vacuumizing device is improved.
The vacuum degree measuring sensor is arranged on the inflation adapter, and the inflation adapter are detachably connected, namely the inflation adapter is a replaceable fitting, and the adapter matched with the inflation adapter can be replaced according to different inflation ports of the electrical equipment. The display screen, the button keys and the Bluetooth communication module are connected with a microprocessor arranged in the main control board, the battery supplies power for the main control board, and vacuum data collected by the main control board can be transmitted to a tablet personal computer or other intelligent terminal equipment through the Bluetooth communication module for storage and display.
And a microprocessor arranged in the main control board reads the data of the vacuum degree measuring sensor through a communication line. The button key is used for switching the working mode, and when the working is started, the vacuum degree measuring state is adopted, and the vacuum pressure is measured at the moment; after the vacuumizing is finished, clicking a button key, switching to a vacuum degree maintenance measurement mode, starting timing, and displaying a measurement result after the set maintenance time is reached. When the measurement result is displayed, the button is clicked again, and the state is switched to the vacuum degree measurement state, so that the next measurement is performed.
When the vacuumizing is finished, the utility model is connected to the air chamber inflation inlet, a button key is pressed, a vacuum degree maintenance measuring function is started, the microprocessor starts timing by means of an internal timer, the vacuum degree is recorded once per minute, the record is continuously carried out for 5 hours, the storage area in the microprocessor is stored, meanwhile, the microprocessor displays the current vacuum degree maintenance time and the current vacuum degree in real time through a display screen, after the vacuum degree is maintained for 5 hours (the set maintenance time), the microprocessor judges whether the vacuum degree is greater than a set allowable value, if the vacuum degree is greater than the set allowable value, the vacuum degree is judged to be unqualified, and meanwhile, the initial vacuum degree, the end vacuum degree, the qualification/unqualification and the vacuumizing maintenance time information are displayed on the display screen.
In this embodiment, the control logic in the main control board microprocessor:
the vacuum degree holding time t is more than or equal to 5 hours, the current vacuum degree is less than 50Pa, and the vacuum degree is qualified;
the vacuum degree holding time t is less than 5 hours, the current vacuum degree is more than or equal to 50Pa, and the vacuum degree is unqualified;
the vacuum degree holding time t is more than or equal to 5 hours, the current vacuum degree is more than or equal to 50Pa, and the vacuum degree is unqualified.
And t is the vacuum holding time after the vacuumizing is finished, and the vacuum degree can be obtained from a vacuum degree measuring sensor.
The utility model has the beneficial effects that the measuring device or the instrument for the vacuum degree maintaining condition of the air chamber of the electrical equipment is provided, after the air chamber is vacuumized to be close to vacuum, the measuring device or the instrument is installed to the air chamber charging port to replace the vacuumizing device for vacuum degree maintaining measurement, so that the vacuumizing device can perform the vacuumizing operation of the next air chamber, the vacuumizing device is prevented from being occupied for a long time, and the utilization efficiency of the vacuumizing device is improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
As shown in FIG. 1, the device for measuring the vacuum degree maintenance condition of the air chamber comprises an air charging adapter, a vacuum degree measuring sensor and an electronic control system;
the measuring port of the vacuum degree measuring sensor is connected with an air charging adapter, and the other end of the air charging adapter is used for connecting an air chamber to be measured;
the electronic control system comprises a main control board, a display screen, a Bluetooth communication module, a man-machine interaction input end and a battery, wherein a data line of the vacuum degree measurement sensor is electrically connected with an input port of the main control board, an input and output port of the main control board is respectively electrically connected with a data line of the display screen and a communication and control line of the Bluetooth communication module, the battery provides various levels of power for the electronic control system, the man-machine interaction input end is connected with the input end of the main control board, and a trigger condition is input or a signal instruction is sent with the main control board to switch the working mode.
And the electronic control system has the functions of realizing vacuum degree maintenance measurement starting, outputting various information during the vacuum degree maintenance period, including vacuum degree data acquisition, vacuum degree maintenance time timing, data storage, display, wireless Bluetooth communication and judging whether the vacuum degree maintenance is qualified or not.
The electronic control system also has a vacuum degree measurement state function and outputs vacuum measurement data.
The inflatable adapter is detachably connected with the vacuum degree measuring sensor.
The man-machine interaction input end comprises a button key and a touch display screen.
And the control logic of the main control board of the electronic control system judges whether the current vacuum degree is larger than a set allowable value after the current vacuum degree holding time t is larger than the set holding time, judges that the vacuum degree is not qualified if the vacuum degree is larger than the set allowable value, and simultaneously displays the initial vacuum degree, the ending vacuum degree, the qualification/disqualification and the vacuumizing holding time information on a display screen.
When the device is applied, after the sulfur hexafluoride electrical equipment air chamber is vacuumized to 20Pa, the device is installed to the air chamber charging port to replace a vacuumizing device or simultaneously perform vacuum degree maintenance measurement, and the vacuumizing device can perform vacuumizing operation of the next air chamber during replacement, so that the working efficiency of the vacuumizing device is improved.
The vacuum degree measuring sensor is arranged on the inflation adapter, and the inflation adapter are detachably connected, namely the inflation adapter is a replaceable fitting, and the adapter matched with the inflation adapter can be replaced according to different inflation ports of the electrical equipment. The display screen, the button keys and the Bluetooth communication module are connected with a microprocessor arranged in the main control board, the battery supplies power for the main control board, and vacuum data collected by the main control board can be transmitted to a tablet personal computer or other intelligent terminal equipment through the Bluetooth communication module for storage and display.
And a microprocessor arranged in the main control board reads the data of the vacuum degree measuring sensor through a communication line. The button key is used for switching the working mode, and when the working is started, the vacuum degree measuring state is adopted, and the vacuum pressure is measured at the moment; after the vacuumizing is finished, clicking a button key, switching to a vacuum degree maintenance measurement mode, starting timing, and displaying a measurement result after the set maintenance time is reached. When the measurement result is displayed, the button is clicked again, and the state is switched to the vacuum degree measurement state, so that the next measurement is performed.
When the vacuumizing is finished, the utility model is connected to the air chamber inflation inlet, a button key is pressed, a vacuum degree maintenance measuring function is started, the microprocessor starts timing by means of an internal timer, the vacuum degree is recorded once per minute, the record is continuously carried out for 5 hours, the storage area in the microprocessor is stored, meanwhile, the microprocessor displays the current vacuum degree maintenance time and the current vacuum degree in real time through a display screen, after the vacuum degree is maintained for 5 hours (the set maintenance time), the microprocessor judges whether the vacuum degree is greater than a set allowable value, if the vacuum degree is greater than the set allowable value, the vacuum degree is judged to be unqualified, and meanwhile, the initial vacuum degree, the end vacuum degree, the qualification/unqualification and the vacuumizing maintenance time information are displayed on the display screen.
In this embodiment, the control logic in the main control board microprocessor:
the vacuum degree holding time t is more than or equal to 5 hours, the current vacuum degree is less than 50Pa, and the vacuum degree is qualified;
the vacuum degree holding time t is less than 5 hours, the current vacuum degree is more than or equal to 50Pa, and the vacuum degree is unqualified;
the vacuum degree holding time t is more than or equal to 5 hours, the current vacuum degree is more than or equal to 50Pa, and the vacuum degree is unqualified.
And t is the vacuum holding time after the vacuumizing is finished, and the vacuum degree can be obtained from a vacuum degree measuring sensor.
The above electronic control system, in which the microprocessor is built in the main control board to realize vacuum data collection, data display and wireless bluetooth data transmission, is a common technical means in the technical field (electronic technology), and the embedded software is used to realize the above control logic, which is also a common technical means in the technical field, and will not be described herein.
When the vacuum degree maintenance device works, the main control board can simultaneously transmit data to the tablet personal computer in real time, the tablet personal computer runs related management software, and besides the information, the name, the number and the position information of the air chamber can be recorded for corresponding to the vacuum degree maintenance result and the actual position. The tablet personal computer can generate a vacuum degree holding condition report table with the vacuum degree holding data and the actual position information for the field operators to store.
The present embodiment is not limited in any way by the shape, material, structure, etc. of the present utility model, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present utility model are all included in the scope of protection of the technical solution of the present utility model.
Claims (5)
1. The device for measuring the vacuum degree maintenance condition of the air chamber is characterized by comprising an air charging adapter, a vacuum degree measuring sensor and an electronic control system;
the measuring port of the vacuum degree measuring sensor is connected with an air charging adapter, and the other end of the air charging adapter is used for connecting an air chamber to be measured;
the electronic control system comprises a main control board, a display screen, a Bluetooth communication module, a man-machine interaction input end and a battery, wherein a data line of the vacuum degree measurement sensor is electrically connected with an input port of the main control board, an input and output port of the main control board is respectively electrically connected with a data line of the display screen and a communication and control line of the Bluetooth communication module, the battery provides various levels of power for the electronic control system, the man-machine interaction input end is connected with the input end of the main control board, and a trigger condition is input or a signal instruction is sent with the main control board to switch the working mode.
2. The apparatus for measuring the vacuum degree holding condition of the air chamber according to claim 1, wherein the electronic control system is capable of realizing the vacuum degree holding measurement start, outputting various information during the vacuum degree holding period, including vacuum degree data acquisition, vacuum degree holding time counting, data storage, display, wireless bluetooth communication and judging whether the vacuum degree holding is qualified.
3. The apparatus for measuring the vacuum degree retention of a gas chamber according to claim 1, wherein the electronic control system further has a vacuum degree measurement status function for outputting vacuum measurement data.
4. The apparatus for measuring the vacuum retention of a chamber of claim 1, wherein the inflation adapter is detachably connected to the vacuum measuring sensor.
5. The apparatus for measuring the vacuum degree retention of a gas cell according to claim 1, wherein the man-machine interaction input comprises a button key and a touch display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320944714.2U CN220206932U (en) | 2023-04-24 | 2023-04-24 | Device for measuring vacuum degree maintaining condition of air chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320944714.2U CN220206932U (en) | 2023-04-24 | 2023-04-24 | Device for measuring vacuum degree maintaining condition of air chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220206932U true CN220206932U (en) | 2023-12-19 |
Family
ID=89155771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320944714.2U Active CN220206932U (en) | 2023-04-24 | 2023-04-24 | Device for measuring vacuum degree maintaining condition of air chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220206932U (en) |
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2023
- 2023-04-24 CN CN202320944714.2U patent/CN220206932U/en active Active
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