CN214277781U - Wireless remote transmission SF6Gas density relay device - Google Patents
Wireless remote transmission SF6Gas density relay device Download PDFInfo
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- CN214277781U CN214277781U CN202023039773.0U CN202023039773U CN214277781U CN 214277781 U CN214277781 U CN 214277781U CN 202023039773 U CN202023039773 U CN 202023039773U CN 214277781 U CN214277781 U CN 214277781U
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- density relay
- transmission module
- wireless transmission
- wireless
- main control
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 66
- 238000005259 measurement Methods 0.000 claims abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 229910018503 SF6 Inorganic materials 0.000 description 34
- 238000000034 method Methods 0.000 description 8
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 7
- 230000007547 defect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
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Abstract
An embodiment of the utility model provides a wireless teletransmission SF6A gas density relay device belongs to the technical field of GIS equipment maintenance. The device comprises: SF6The density relay is arranged on the outer surface of the GIS equipment, and the sensor end of the SF6 density relay extends into the GIS equipment; a wireless transmission module, a first end of the wireless transmission module and the SF6The positive pole of the density relay is connected, and the second end of the wireless transmission module is connected with the SF6Negative pole connection of density relay, said wireless transmissionThird terminal of module and said SF6The TXD end of the density relay is connected, and the fourth end of the wireless transmission module is connected with the SF6RXD end connection of density relay for transmitting the SF to outside6Measurement results of density relay. The wireless remote transmission SF6The gas density relay device can improve the efficiency of SF6 gas density monitoring in GIS equipment.
Description
Technical Field
The utility model relates to a GIS equipment maintain technical field, specifically relate to a wireless teletransmission SF6 gas density relay unit.
Background
GIS (GAS insulated SWITCHGEAR) is a common device in the field of power technology, and is commonly found in substations. The GIS equipment consists of a breaker, a disconnecting switch, a grounding switch, a mutual inductor, a lightning arrester, a bus, a connecting piece, an outgoing line terminal and the like, all of which are sealed in a metal grounded shell, and SF with certain pressure is filled in the metal grounded shell6Insulating gas, hence the name SF6A totally-enclosed combined electrical apparatus.
During the maintenance process of the GIS equipment, the SF in the GIS equipment is treated6Monitoring of gas density is a crucial link. In the method commonly used in the prior art, SF is set on GIS equipment6And the gas densitometer is used for real-time checking by a worker. However, this approach relies on a human being looking at the SF periodically6The monitoring of gas density is relatively inefficient. In addition, because the SF6 gas densitometer in the prior art relies on the circuit power supply of the GIS device body, when the GIS device fails, the SF6The gas densitometer will also stop operating. In such a case, conventional SF6Gas densitometers are clearly not as demanding.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a purpose provides a wireless teletransmission SF6The gas density relay device can improve SF (sulfur hexafluoride) in GIS (gas insulated switchgear) equipment6Efficiency of gas density monitoring.
In order to achieve the above object, an embodiment of the present invention provides a wireless remote transmission SF6A gas density relay device, the device comprising:
SF6a density relay arranged on the outer surface of the GIS device, and the SF6Sensor end depth of density relayEntering the GIS equipment;
a wireless transmission module, a first end of the wireless transmission module and the SF6The positive pole of the density relay is connected, and the second end of the wireless transmission module is connected with the SF6The negative pole of the density relay is connected, and the third end of the wireless transmission module is connected with the SF6The TXD end of the density relay is connected, and the fourth end of the wireless transmission module is connected with the SF6And the RXD end of the density relay is connected and used for sending the measurement result of the SF6 density relay to the outside.
Optionally, the wireless transmission module includes:
the first end of the main control chip is connected with the third end of the wireless transmission module, and the second end of the main control chip is connected with the fourth end of the wireless transmission module;
one end of the main power supply battery is connected with the third end of the main control chip;
a first end of the power supply signal interface is connected with the other end of the main power supply battery, a second end of the power supply signal interface is connected with a first end of the wireless transmission module, and a third end of the power supply signal interface is connected with a second end of the wireless transmission module;
one end of the first address dial switch is connected with the fourth end of the main control chip and is used for setting the address of the GIS equipment;
the first end of the remote transmission chip is connected with the other end of the first address dial switch;
and the antenna is connected with the second end of the remote transmission chip and is used for being matched with the remote transmission chip to send the measurement result of the device.
Optionally, the wireless transmission module includes:
and one end of the second address dial switch is connected with the fifth end of the main control chip, and the other end of the second address dial switch is connected with the third end of the remote transmission chip and is used for setting the address of the SF6 density relay.
Optionally, the wireless transmission module includes a backup battery, one end of the backup battery is connected to the sixth end of the main control chip, and the other end of the backup battery is connected to the fourth end of the power signal interface.
Through the technical scheme, the utility model provides a pair of wireless teletransmission SF6The gas density relay device adopts a wireless transmission module and SF6The mode of power supply of the density relay combination overcomes the defect that the prior art depends on the artificial periodical check of SF6The gas densimeter and the technical defect of power supply depending on the GIS equipment improve the operation and maintenance efficiency of the GIS equipment.
Other features and advantages of embodiments of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention, but do not constitute a limitation of the embodiments of the invention. In the drawings:
fig. 1 is a block diagram of a wireless transmission module according to an embodiment of the present invention;
fig. 2 is a block diagram of a wireless transmission module according to an embodiment of the present invention; and
fig. 3 is a block diagram of a wireless transmission module according to an embodiment of the present invention.
Detailed Description
The following describes in detail embodiments of the present invention with reference to the accompanying drawings. It is to be understood that the description herein is only intended to illustrate and explain embodiments of the present invention, and is not intended to limit embodiments of the present invention.
According to the utility model discloses an embodiment's a wireless teletransmission SF6A gas density relay device. The apparatus may comprise SF6Density relay and wireless transmission module20. Wherein, SF6The density relay may be disposed on an outer surface of the GIS device, and the SF6The sensor end of the density relay can go deep into the GIS equipment, so that the density of SF6 gas in the GIS equipment can be conveniently acquired.
The first end of the wireless transmission module 20 may be connected to the SF6Positive pole of density relay, second end of the wireless transmission module 20 and SF6The negative pole of the density relay is connected, and the third end of the wireless transmission module 20 is connected with SF6The TXD terminal of the density relay is connected, and the fourth terminal of the wireless transmission module 20 can be connected with SF6The RXD end of the density relay is connected. Wherein, the first terminal and the second terminal of the wireless transmission module 20 are respectively connected with the SF6The positive and negative poles of the density relay are connected so that the wireless transmission module 20 can directly transmit to the SF6And the density relay supplies power. Compared with the prior art, the power supply mode can avoid SF caused by the fault of the GIS equipment body6Situations arise where the density relay is inoperable. And the wireless transmission module 20 may be used to transmit SF to the outside6The measurement result of the density relay enables a worker to remotely obtain the SF of each GIS device only through remote equipment6The density of the gas replaces the mode of manually checking at regular intervals in the prior art, and the maintenance efficiency of the GIS equipment is improved.
In this embodiment, the wireless transmission module 20 may be in various forms known to those skilled in the art. In a preferred example of the present invention, as shown in fig. 1, the wireless transmission module 20 may include a main power battery 21, a main control chip 22, a power signal interface 23, a first address dial switch 24, a remote transmission chip 25, and an antenna 26. The first end of the main control chip 22 may be connected to the third end of the wireless transmission module 20, and the second end of the main control chip 22 may be connected to the fourth end of the wireless transmission module 20. One end of the main power battery 21 may be connected to a third end of the main control chip 22, thereby facilitating the entire device and SF to be connected through the main control chip 226And the density relay supplies power. A first end of the power signal interface 23 may be connected to the other end of the main power battery 21A second terminal of the power signal interface 23 may be connected to a first terminal of the wireless transmission module 20, and a third terminal of the power signal interface 23 may be connected to a second terminal of the wireless transmission module 20. One end of the first address dial switch 24 may be connected to the fourth end of the main control chip 22, and is configured to set an address of the GIS device, so that when a measurement result is sent, the GIS device corresponding to the measurement result can be marked. A first terminal of the remote chip 25 may be connected to the other terminal of the first address dial switch 24. An antenna 26 may be connected to the second end of the remote transmitting chip 25 for cooperating with the remote transmitting chip 25 to transmit the measurement result of the device.
Because the GIS equipment has large volume and different region partitions, a single device is difficult to measure SF inside the whole GIS equipment6The density of the gas. Therefore, in this embodiment, a plurality of the devices may be provided at different locations corresponding to one GIS apparatus. Further, to distinguish the plurality of the devices. As shown in fig. 2, the wireless transmission module 20 may further include a second address dial switch 27. One end of the second address dial switch 27 may be connected to the fifth end of the main control chip 22, and the other end of the second address dial switch 27 may be connected to the third end of the remote transmitting chip 25, for setting the address of the SF6 density relay (i.e. the device), thereby facilitating statistics of measurement results of different devices on the same GIS equipment. Through the wireless transmission module 20 shown in fig. 3, not only can the positioning of the device arranged on the same GIS equipment be realized, but also when gas leakage occurs on the GIS equipment part, the corresponding leakage part can be accurately found through the positioning of the device, thereby improving the efficiency of equipment maintenance.
In one embodiment of the present invention, it is considered that the conventional wireless transmission module 20 in the prior art is externally powered, but the devices shown in fig. 1 to 2 are powered by the main power battery 21 in the wireless transmission module 20. In order to prolong the battery replacement period of the device, as shown in fig. 3, the wireless transmission module 20 may further include a backup battery 28. One end of the backup battery 28 may be connected to the sixth terminal of the main control chip 22, and the other end of the backup battery 28 may be connected to the fourth terminal of the power signal interface 23.
Through the technical scheme, the utility model provides a pair of wireless teletransmission SF6The gas density relay device adopts a wireless transmission module and SF6The mode of power supply of the density relay combination overcomes the defect that the prior art depends on the artificial periodical check of SF6The gas densimeter and the technical defect of power supply depending on the GIS equipment improve the operation and maintenance efficiency of the GIS equipment.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (4)
1. Wireless remote transmission SF6A gas density relay device, the device comprising:
SF6a density relay arranged on the outer surface of the GIS device, and the SF6The sensor end of the density relay extends into the GIS equipment;
a wireless transmission module, a first end of the wireless transmission module and the SF6The positive pole of the density relay is connected, and the second end of the wireless transmission module is connected with the SF6The negative pole of the density relay is connected, and the third end of the wireless transmission module is connected with the SF6Density relayThe TXD end of the electric appliance is connected, and the fourth end of the wireless transmission module is connected with the SF6And the RXD end of the density relay is connected and used for sending the measurement result of the SF6 density relay to the outside.
2. The apparatus of claim 1, wherein the wireless transmission module comprises:
the first end of the main control chip is connected with the third end of the wireless transmission module, and the second end of the main control chip is connected with the fourth end of the wireless transmission module;
one end of the main power supply battery is connected with the third end of the main control chip;
a first end of the power supply signal interface is connected with the other end of the main power supply battery, a second end of the power supply signal interface is connected with a first end of the wireless transmission module, and a third end of the power supply signal interface is connected with a second end of the wireless transmission module;
one end of the first address dial switch is connected with the fourth end of the main control chip and is used for setting the address of the GIS equipment;
the first end of the remote transmission chip is connected with the other end of the first address dial switch;
and the antenna is connected with the second end of the remote transmission chip and is used for being matched with the remote transmission chip to send the measurement result of the device.
3. The apparatus of claim 2, wherein the wireless transmission module comprises:
and one end of the second address dial switch is connected with the fifth end of the main control chip, and the other end of the second address dial switch is connected with the third end of the remote transmission chip and is used for setting the address of the SF6 density relay.
4. The device according to claim 2, wherein the wireless transmission module comprises a backup battery, one end of the backup battery is connected with the sixth end of the main control chip, and the other end of the backup battery is connected with the fourth end of the power signal interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023039773.0U CN214277781U (en) | 2020-12-16 | 2020-12-16 | Wireless remote transmission SF6Gas density relay device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023039773.0U CN214277781U (en) | 2020-12-16 | 2020-12-16 | Wireless remote transmission SF6Gas density relay device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214277781U true CN214277781U (en) | 2021-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023039773.0U Active CN214277781U (en) | 2020-12-16 | 2020-12-16 | Wireless remote transmission SF6Gas density relay device |
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| Country | Link |
|---|---|
| CN (1) | CN214277781U (en) |
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2020
- 2020-12-16 CN CN202023039773.0U patent/CN214277781U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A wireless remote transmission SF gas density relay device Granted publication date: 20210924 Pledgee: Agricultural Bank of China Limited Shanghai Free Trade Zone Branch Pledgor: SHANGHAI LINGZHI INTERNET OF THINGS CO.,LTD. Registration number: Y2024310000260 |