CN217846526U - Cubical switchboard partial discharge characteristic gas monitoring facilities and cubical switchboard - Google Patents
Cubical switchboard partial discharge characteristic gas monitoring facilities and cubical switchboard Download PDFInfo
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- CN217846526U CN217846526U CN202221625059.6U CN202221625059U CN217846526U CN 217846526 U CN217846526 U CN 217846526U CN 202221625059 U CN202221625059 U CN 202221625059U CN 217846526 U CN217846526 U CN 217846526U
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Abstract
The utility model provides a switch cabinet local discharge characteristic gas monitoring device and a switch cabinet, wherein the switch cabinet local discharge characteristic gas monitoring device comprises a gas analysis device and at least one group of gas monitoring devices, wherein each gas monitoring device comprises a dust removal device, a gas collection device and a gas sensor array; the gas collection device comprises a vacuum pump, a gas inlet of the vacuum pump is connected with a first gas inlet pipe and a second gas inlet pipe, a gas outlet of the vacuum pump is connected with the gas sensor array, the first gas inlet pipe and the second gas inlet pipe are both arranged inside the switch cabinet, and the first gas inlet pipe is connected with the dust removal device; valves are arranged on the first air inlet pipe and the second air inlet pipe; the dust removing device is also provided with a switch; the gas sensor array of each group of gas monitoring devices is connected with the gas analysis device and forms a data communication link, so that one gas analysis device can be shared by multiple groups of gas monitoring devices, the structure of the device is simplified, and the cost and the post-maintenance difficulty are reduced.
Description
Technical Field
The utility model belongs to the technical field of electric power, particularly, relate to a cubical switchboard partial discharge characteristic gas monitoring equipment and cubical switchboard.
Background
The switch cabinet is common electrical equipment, and insulation parts such as wall bushing, separable connector, voltage transformer in the switch cabinet generate partial discharge, along with solid insulation medium, gas insulation medium degradation, generate gas such as oxynitride, carbon oxide, ozone, and the like, and diffuse to the inside of the switch cabinet and react with moisture in the air to generate acidic compounds, or in the process of fault of parts in the switch cabinet, similar gas can also be generated, the insulation strength of the equipment is further cracked, and even the switch cabinet is subjected to insulation sudden fault. Therefore, fault gas of the partial discharge characteristics of the switch cabinet can be monitored, and the processor in the prior art can conveniently evaluate the internal insulation state of the switch cabinet in the routing inspection process of operation and maintenance personnel by analyzing the characteristic gas components, the gas concentration and the defect threat level.
Because the switch cabinet is provided with the ventilation hole generally, dry sand is big in the western region, and in spring and autumn wind, indoor ash is big, leads to dust concentration great in the switch cabinet, uses gas sensor to detect the gas composition in the switch cabinet, has great error, can not obtain accurate gas monitoring data, influences the control of switch cabinet.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a cubical switchboard partial discharge characteristic gas monitoring facilities can effectively solve the influence of dust in the cubical switchboard to the gaseous data of sensor, improves gaseous monitoring precision.
The utility model discloses a realize like this:
the utility model provides a switch cabinet partial discharge characteristic gas monitoring device, which comprises a gas analysis device and at least one group of gas monitoring devices, wherein each gas monitoring device comprises a dust removal device, a gas collection device and a gas sensor array; the gas collection device comprises a vacuum pump, a gas inlet of the vacuum pump is connected with a first gas inlet pipe and a second gas inlet pipe, a gas outlet of the vacuum pump is connected with the gas sensor array, the first gas inlet pipe and the second gas inlet pipe are both arranged inside a switch cabinet of gas with partial discharge characteristics to be monitored, and the first gas inlet pipe is connected with the dust removal device; the gas sensor array of each set of gas monitoring devices is connected to the gas analysis device and forms a data communication link.
The utility model provides a pair of cubical switchboard partial discharge characteristic gas monitoring facilities's technological effect as follows: the dust removal equipment is arranged on the air inlet of the air inlet pipe in the switch cabinet of the gas with the partial discharge characteristics to be monitored, so that the collected gas can be subjected to dust removal treatment in the switch cabinet, the misjudgment of gas detection caused by sand dust is prevented, and the accuracy of gas detection is improved; the gas sensor array of each group of gas monitoring devices is connected with the gas analysis device to form a data communication link, so that one gas analysis device can be shared by a plurality of groups of gas monitoring devices, the structure of the device is simplified, and the cost and the later maintenance difficulty are reduced.
On the basis of the technical scheme, the utility model discloses a cubical switchboard partial discharge characteristic gas monitoring facilities can also be as follows improvement:
further, a switch is further arranged on the dust removal device and used for controlling the on-off state of the circuit of the dust removal device.
The beneficial effect of adopting the further scheme is as follows: through set up the switch on dust collector, the staff of being convenient for switches dust collector's operating condition as required, saves the electric power resource.
Further, the switch includes at least one of a manual switch and a remote control switch.
The beneficial effect of adopting the further scheme is as follows: through setting a manual switch, a worker can directly switch the working state of the dust removal device; through setting up remote switch, can make under the condition that the staff does not open the cubical switchboard cabinet door, switch dust collector's operating condition as required, it is more convenient to operate.
Furthermore, a first valve is arranged on the first air inlet pipe, and a second valve is arranged on the second air inlet pipe.
The beneficial effect of adopting the above further scheme is that: the opening or closing state of the first air inlet pipe can be controlled through the first valve, and the opening or closing state of the second air inlet pipe is controlled through the second valve; in windy and sandy weather, the first valve is opened and the second valve is closed, so that the first air inlet pipe passage is opened, and the air in the switch cabinet firstly passes through the dust removal equipment and then enters the first air inlet pipe; in normal weather, the second valve is opened and the first valve is closed, so that the second air inlet pipe passage is opened, and air in the switch cabinet directly enters the second air inlet pipe.
Further, the gas sensor array includes at least one of a carbon monoxide sensor, a nitrogen dioxide sensor, an ozone sensor, an ethylene sensor, and an acetylene sensor.
Further, still include the power, the power is connected dust collector, the vacuum pump, gas sensor array and gas analysis device.
The beneficial effect of adopting the further scheme is as follows: the dust removal device, the vacuum pump, the gas sensor array and the gas analysis device are connected through the power supply, and electric power required by work can be provided for the dust removal device, the vacuum pump, the gas sensor array and the gas analysis device.
Further, still include stand-by power supply, stand-by power supply connects dust collector, the vacuum pump, gas sensor array and gas analysis device.
The beneficial effect of adopting the further scheme is as follows: through setting up stand-by power supply, can still can continuously provide the electric power that work needs for dust collector, vacuum pump, gas sensor array and gas analysis device under the condition that the power does not have the point, ensure that work goes on, protection cubical switchboard.
Further, the gas analysis device comprises a processor and a display, and the processor is connected with the gas detection device and the display.
The beneficial effect of adopting the further scheme is as follows: through the arrangement, the processor can process the data obtained by the gas sensor array to obtain the gas composition, the gas concentration and the defect threat level information and send the information to the display, so that the concentration information of various possible fault gases in the switch cabinet can be conveniently received by a worker.
Further, the gas analysis device further comprises an alarm, and the alarm is connected with the processor.
The beneficial effect of adopting the further scheme is as follows: through setting up the alarm that is connected with the treater, when trouble gas concentration reached the threshold value in the cubical switchboard, the treater control alarm sent out the police dispatch newspaper, reminded the staff in time to maintain the cubical switchboard.
Further, the gas analysis device further comprises a wireless communication device connected with the processor.
The beneficial effect of adopting the further scheme is as follows: through setting up wireless communication device, can give the staff with the data long-range transmission that the treater obtained, the staff need not the on-the-spot contact cubical switchboard, reduces staff's unnecessary work load, can also in time obtain the possible trouble gas concentration information in the cubical switchboard.
Further, the gas monitoring device further comprises a connecting pipe, and the connecting pipe is used for connecting the switch cabinets which are arranged side by side.
The beneficial effect of adopting the further scheme is as follows: through set up the connecting pipe between the cubical switchboard for each cubical switchboard communicates each other, thereby makes detection device detect in to all cubical switchboard.
On the whole, compare with prior art, the utility model provides a pair of cubical switchboard partial discharge characteristic gas monitoring facilities's beneficial effect is: the dust removal equipment is arranged on the air inlet of the air inlet pipe in the switch cabinet of the gas with the partial discharge characteristics to be monitored, so that the collected gas can be subjected to dust removal treatment in the switch cabinet, the misjudgment of fault gas detection caused by sand dust is prevented, and the accuracy of gas detection is improved; the gas sensor array of each group of gas monitoring devices is connected with the gas analysis device to form a data communication link, so that a plurality of groups of gas monitoring devices can share one gas analysis device, the structure of the device is simplified, and the cost and the later maintenance difficulty are reduced; by arranging the manual switch, a worker can directly switch the working state of the dust removal device; by arranging the remote control switch, the working state of the dust removal device can be switched as required under the condition that a worker does not open the cabinet door of the switch cabinet, so that the operation is more convenient; the processor can process the data obtained by the gas sensor array to obtain gas composition, gas concentration and defect threat level information and send the information to the display, so that workers can receive the gas concentration information of faults in the switch cabinet conveniently; by arranging the alarm connected with the processor, when the concentration of the fault gas in the switch cabinet reaches a threshold value, the processor controls the alarm to give an alarm to remind a worker to maintain the switch cabinet in time; by arranging the wireless communication device, the data obtained by the processor can be remotely sent to the working personnel, the working personnel do not need to contact the switch cabinet on site, and the unnecessary workload of the working personnel is reduced; through set up gaseous connecting pipe between cubical switchboard for a plurality of cubical switchboard communicate each other, thereby make detection device detect the cubical switchboard internal insulation degradation degree of bearing that communicates.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
Figure illustrates the drawings
Fig. 1 is a schematic deployment diagram of a switch cabinet partial discharge characteristic gas monitoring device provided by the present invention;
fig. 2 is a schematic diagram of connection of internal modules of a control circuit of a switch cabinet local discharge characteristic gas monitoring device according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
10. a vacuum pump; 11. a dust removal device; 101. a first intake pipe; 102. a second intake pipe; 1011. a first valve; 1021 a second valve; 12. an array of gas sensors; 13. a connecting pipe; 20. a gas analysis device; 21. a processor; 22. a display; 23. an alarm; 24. a wireless communication device; 41. a power source; 42. a standby power supply; 9A, a first switch cabinet; 9B and a second switch cabinet.
Detailed Description
For the purpose of clearly illustrating the aspects of the present invention, preferred embodiments will be provided below in conjunction with the accompanying drawings.
Fig. 1 is a schematic deployment diagram of a switch cabinet partial discharge characteristic gas monitoring device provided by the present invention, wherein 9A is a first switch cabinet, 9B is a second switch cabinet, the two switch cabinets are arranged in parallel, and are connected by a connecting pipe 13, so that gas intercommunication between the two switch cabinets can be realized, and air in the two switch cabinets arranged in parallel can be collected simultaneously; the utility model provides a switch cabinet partial discharge characteristic gas monitoring device, which comprises a gas analysis device and at least one group of gas monitoring devices, wherein each gas monitoring device comprises a dust removal device 11, a gas collection device and a gas sensor array 12; the gas collecting device comprises a vacuum pump 10, a gas inlet of the vacuum pump is connected with a first gas inlet pipe 101 and a second gas inlet pipe 102, a gas outlet of the vacuum pump 10 is connected with the gas sensor array 12, the first gas inlet pipe 101 and the second gas inlet pipe 102 are both arranged inside a first switch cabinet 9A of the gas with the local discharge characteristics to be monitored, and the first gas inlet pipe 101 is connected with the dust removing device 11; the gas sensor array 12 of each set of gas monitoring devices is connected to and forms a data communication link with the gas analysis device 20.
The dust removing device is a general dust removing device, such as a filter fan with activated carbon.
The utility model discloses in, the vacuum pump can use the micro vacuum pump that Hilingec hai Lin science and technology provided, like its C26 series micro vacuum pump, the product flow of this model 1 ~ 4L/min has better tolerance to alcohol, acid, alkali, ozone etc. is fit for gathering the gaseous use of cubical switchboard.
During the use, vacuum pump 10 opens, and the first intake pipe 101 of air filtration income is gone into through dust collector 11 in the first cubical switchboard 9A, and the air after the filtration passes through vacuum pump 10 suction gas sensor array 12, and gas sensor array 12 obtains gas composition, gas concentration data.
Optionally, in the above technical solution, the dust removing device 11 is further provided with a power switch for switching an on/off state of a circuit of the dust removing device.
When the dust removal device is used, a worker uses the power switch to manually switch the circuit on-off state of the dust removal device according to the requirement.
Optionally, in the above technical solution, the power switch includes at least one of a manual switch and a remote control switch.
Further, a first valve 1011 is disposed on the first intake pipe 101, and a second valve 1021 is disposed on the second intake pipe 102.
When the air conditioner is used, a worker can control the opening or closing state of the first air inlet pipe 101 through the first valve 1011 and control the opening or closing state of the second air inlet pipe 102 through the second valve 1021; in windy and sandy weather, a worker opens the first valve 1011 and closes the second valve 1021, so that the passage of the first air inlet pipe 101 is opened, and air in the first switch cabinet 9A firstly passes through the dust removal equipment 11 and then enters the first air inlet pipe 101; in the open dustless weather, the worker opens the second valve 102 and closes the first valve 1011, so that the second air inlet pipe 102 is opened, and the air in the first switch cabinet 9A directly enters the second air inlet pipe 102.
Optionally, in the above technical solution, the gas sensor array includes at least one of a carbon monoxide sensor, a nitrogen dioxide sensor, an ozone sensor, an ethylene sensor, and an acetylene sensor.
The carbon monoxide sensor can be ECO-5011 of tetragonal photoelectric company, the nitrogen dioxide sensor can be 4S-NO2 of Zhengzhou Weisheng electronic technology limited, the ozone sensor can be FST100-G111A of Hunan Pherster, the ethylene sensor can be C2H4/C-2000 of Membrapor, switzerland, and the acetylene sensor can be 2M004 of Beijing national Tai constant-ampere technology limited.
As shown in fig. 2, optionally, in the above technical solution, the gas analyzer further includes a power supply, and the power supply is connected to the dust removing device, the vacuum pump, the gas sensor array, and the gas analyzing device and supplies electric energy.
Optionally, in the above technical solution, the system further includes a standby power supply, and the standby power supply is connected to the dust removal device, the vacuum pump, the gas sensor array, and the gas analysis device, and provides electric energy.
In the above technical solution, the gas analysis device includes a processor and a display, and the processor is connected to the gas detection device and the display.
Where a Siemens/Siemens LR-CPU224XPCN may be used by a processor that implements a 4096 word program store, and 2560 words user data store, control of the gas analysis apparatus may be implemented by programming.
During the use, the treater obtains trouble gas concentration information with the data processing that gas sensor array obtained and sends for the display, and the staff looks over the display and receives trouble gas concentration information in the cubical switchboard. Fault gas O as one of 3 Or with NO, N 2 O、NO 2 、NO 3 、N 2 O 5 A change in fault gas.
Optionally, in the above technical solution, the gas analysis device further includes an alarm, and the alarm is connected to the processor.
The alarm can use industrial voice audible and visual alarm horn, and can adopt TGSG-01T industrial voice audible and visual alarm horn; a simple buzzer may also be used.
During the use, when trouble gas concentration information reachd the threshold value in the cubical switchboard, the treater control alarm sends the police dispatch newspaper, reminds the staff in time to maintain.
Optionally, in the above technical solution, the gas analysis apparatus further includes a wireless communication device, and the wireless communication device is connected to the processor.
The wireless communication device can use a common wifi communication module.
The wireless communication equipment remotely sends the data obtained by the processor to the staff, so that the staff can obtain the concentration information of the fault gas in the switch cabinet in time.
Optionally, in the above technical solution, the gas monitoring device further includes a connecting pipe, and the connecting pipe is used for connecting the switch cabinets placed side by side.
Specifically, the working principle of the switch cabinet partial discharge characteristic gas monitoring device is that the dust removal device is arranged on the air inlet of the air inlet pipe in the switch cabinet to be monitored for the partial discharge characteristic gas, so that the collected gas can be subjected to dust removal treatment in the switch cabinet, the misjudgment of gas detection caused by dust and sand is prevented, and the accuracy of gas detection is improved; the gas sensor array of each group of gas monitoring devices is connected with the gas analysis device to form a data communication link, so that a plurality of groups of gas monitoring devices can share one gas analysis device, the structure of the device is simplified, and the cost and the later maintenance difficulty are reduced; by arranging the manual switch, a worker can directly switch the working state of the dust removal device; by arranging the remote control switch, the working state of the dust removal device can be switched as required under the condition that a worker does not open the cabinet door of the switch cabinet, so that the operation is more convenient; the processor can process the data obtained by the gas sensor array to obtain fault gas information and send the fault gas information to the display; an alarm connected with the processor is arranged to remind a worker to maintain the switch cabinet in time; through set up the connecting pipe between the cubical switchboard for each cubical switchboard communicates each other, thereby makes monitoring devices detect all possible troubles in the cubical switchboard.
Any modification, equivalent replacement, improvement and the like of the devices illustrated in the embodiments of the present invention, which are within the spirit and principle of the present invention, should be included in the protection scope of the present invention.
Claims (10)
1. A switch cabinet partial discharge characteristic gas monitoring device is characterized by comprising a gas analysis device and at least one group of gas monitoring devices, wherein,
the gas monitoring device comprises a dust removal device, a gas collection device and a gas sensor array;
the gas collection device comprises a vacuum pump, a gas inlet of the vacuum pump is connected with a first gas inlet pipe and a second gas inlet pipe, a gas outlet of the vacuum pump is connected with the gas sensor array, the first gas inlet pipe and the second gas inlet pipe are both arranged inside a switch cabinet of the gas with the local discharge characteristics to be monitored, and the first gas inlet pipe is connected with the dust removal device; the gas sensor array of each set of gas monitoring devices is connected to the gas analysis device and forms a data communication link.
2. The switch cabinet partial discharge characteristic gas monitoring device according to claim 1, wherein a power switch is further arranged on the dust removing device and used for controlling the on-off state of a circuit of the dust removing device.
3. The switchgear partial discharge characteristic gas monitoring apparatus according to claim 1, wherein a first valve is disposed on the first air inlet pipe, and a second valve is disposed on the second air inlet pipe.
4. The switchgear partial discharge signature gas monitoring apparatus of any of claims 1-3, wherein the gas sensor array comprises at least one of a carbon monoxide sensor, a nitrogen dioxide sensor, an ozone sensor, an ethylene sensor, and an acetylene sensor.
5. The switchgear partial discharge signature gas monitoring apparatus of any of claims 1-3, further comprising a power supply coupled to the dust removal device, the vacuum pump, the gas sensor array, and the gas analysis device.
6. The switchgear partial discharge signature gas monitoring apparatus of any of claims 1-3, further comprising a backup power supply, said backup power supply connecting said dust removal device, said vacuum pump, said gas sensor array, and said gas analysis device.
7. The switchgear partial discharge signature gas monitoring apparatus of any of claims 1-3, wherein the gas analysis device comprises a processor, a display, the processor being connected to the gas monitoring device and the display.
8. The switchgear partial discharge signature gas monitoring device of claim 7, wherein the gas analysis device further comprises an alarm, the alarm being connected to the processor.
9. The switchgear partial discharge signature gas monitoring device of claim 8, wherein the gas analysis device further comprises a wireless communication device, the wireless communication device being connected to the processor.
10. A switchgear cabinet comprising a switchgear cabinet partial discharge signature gas monitoring apparatus as claimed in any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221625059.6U CN217846526U (en) | 2022-06-27 | 2022-06-27 | Cubical switchboard partial discharge characteristic gas monitoring facilities and cubical switchboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221625059.6U CN217846526U (en) | 2022-06-27 | 2022-06-27 | Cubical switchboard partial discharge characteristic gas monitoring facilities and cubical switchboard |
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| Publication Number | Publication Date |
|---|---|
| CN217846526U true CN217846526U (en) | 2022-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221625059.6U Active CN217846526U (en) | 2022-06-27 | 2022-06-27 | Cubical switchboard partial discharge characteristic gas monitoring facilities and cubical switchboard |
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|---|---|
| CN (1) | CN217846526U (en) |
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- 2022-06-27 CN CN202221625059.6U patent/CN217846526U/en active Active
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