CN112117167A - Air switch misoperation prevention device - Google Patents
Air switch misoperation prevention device Download PDFInfo
- Publication number
- CN112117167A CN112117167A CN202010989235.3A CN202010989235A CN112117167A CN 112117167 A CN112117167 A CN 112117167A CN 202010989235 A CN202010989235 A CN 202010989235A CN 112117167 A CN112117167 A CN 112117167A
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- Prior art keywords
- air switch
- device body
- fixing buckle
- telescopic
- display screen
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
- H01H2071/046—Means for indicating condition of the switching device exclusively by position of operating part, e.g. with additional labels or marks but no other movable indicators
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Air Conditioning Control Device (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses an anti-misoperation device of an air switch. The device includes: the device comprises a device body, a fixing buckle, a telescopic piece, a limiting groove and a display screen; the fixing buckle comprises an upper end fixing buckle and a lower end fixing buckle; at least one of the upper end fixing buckle and the lower end fixing buckle is fixed on the device body through the telescopic piece and used for detachably fixing the device body on a boss of the air switch; the inner side of the device body is provided with a limiting groove, the device body is fixed behind the air switch, and the limiting groove limits an operating handle of the air switch; the display screen is located outside the device body. The invention solves the problem that the anti-misoperation signboard of the air switch is easy to fall off, realizes the effect of preventing personnel from operating the air switch by mistake and has more obvious warning effect.
Description
Technical Field
The embodiment of the invention relates to an anti-misoperation technology, in particular to an anti-misoperation device of an air switch.
Background
When a maintenance test is carried out in a substation, primary equipment in the substation, such as an operating power supply of a circuit breaker or a motor power supply of a disconnecting switch, needs to be disconnected. It is common to employ secondary air switches that open circuit breakers or disconnectors, and require a warning sign to be hung, depending on the requirements of "safety regulations".
In the prior art, a sign board for prohibiting switching on and working by people is hung on a disconnected secondary air switch. Since the air switch has no proper position, only the ordinary signboard can be hung.
However, in the process of work, often can cause the tablet to drop because of the vibrations of equipment, lose the warning effect, have personnel's maloperation air switch, the risk of the reverse power transmission of the primary equipment in the maintenance. The common signboard has the defect of difficult recognition under the condition of poor illumination condition, is easy to be ignored by operators and has unobvious warning effect.
Disclosure of Invention
The invention provides an air switch misoperation prevention device, which solves the problem that an misoperation prevention signboard of an air switch is easy to fall off, and achieves the effects of preventing personnel from misoperation of the air switch and more obvious warning.
The embodiment of the invention provides an air switch misoperation prevention device, which comprises: the device comprises a device body, a fixing buckle, a telescopic piece, a limiting groove and a display screen;
the fixing buckle comprises an upper end fixing buckle and a lower end fixing buckle;
at least one of the upper end fixing buckle and the lower end fixing buckle is fixed on the device body through the telescopic piece and used for detachably fixing the device body on a boss of the air switch;
the inner side of the device body is provided with a limiting groove, the device body is fixed behind the air switch, and the limiting groove limits an operating handle of the air switch;
the display screen is located outside the device body.
Optionally, the telescopic part comprises a telescopic fixed claw, an elastic element and a telescopic cylinder;
the telescopic fixing claw is connected with the fixing buckle;
the elastic element is sleeved on the telescopic fixed claw;
one end of the elastic element is fixedly connected to the top of the telescopic cylinder, and the other end of the elastic element is fixedly connected to the bottom of the telescopic fixing claw.
Optionally, the telescopic part further comprises a switch of the display screen;
the switch is fixed inside the telescopic cylinder;
the switch is triggered to light the display screen when the telescopic fixing claw extends.
Optionally, the telescopic fixing claw is L-shaped.
Optionally, the telescopic fixing claw, the device body and the air switch form a first cavity;
the lower end fixing buckle, the limiting groove and the air switch form a second cavity;
the first cavity and the second cavity are communicated with the limiting groove.
Optionally, the fixing buckle is made of rubber.
Optionally, the device body further includes a battery compartment for supplying power to the display screen.
Optionally, the width of the device body is the same as the width of the single-chip air switch.
Optionally, the device body further comprises an infrared sensor, a controller and a wireless communication module;
the infrared sensor is electrically connected with the controller and used for detecting whether a person approaches the infrared sensor;
the controller is electrically connected with the wireless communication module and used for sending prompt information of personnel approaching the device body to the mobile terminal.
Optionally, the maximum distance between the upper end fixing buckle and the lower end fixing buckle is greater than or equal to the height of a boss of the air switch;
the maximum distance between the upper end fixing buckle and the lower end fixing buckle is smaller than the height of the air switch.
The device body is detachably fixed on the boss of the air switch through the upper end fixing buckle and the lower end fixing buckle, so that the device body can be repeatedly used for a long time, the device body can play a more stable role compared with a common signboard, warning pictures and texts are displayed by using a display screen, the warning effect is more obvious, the problem that the misoperation prevention signboard of the air switch is easy to fall is solved, and the effects of preventing personnel from misoperation of the air switch and obvious warning are realized.
Drawings
Fig. 1 is a schematic structural view of an air switch anti-misoperation device provided in the first embodiment of the present invention, which is installed on an air switch;
fig. 2 is a schematic structural view of an air switch anti-misoperation device provided by the second embodiment of the invention, which is installed on the air switch;
fig. 3 is a schematic structural view of another air switch anti-misoperation device provided by the second embodiment of the invention, which is installed on an air switch.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a schematic structural view of an air switch anti-misoperation device installed on an air switch according to an embodiment of the present invention, which is applicable to an air switch anti-misoperation situation, and specifically includes a device body 100, a fixing buckle 200, an expansion piece 300, a limiting groove 400, and a display screen 500; the fixing buckle 200 includes an upper fixing buckle 210 and a lower fixing buckle 220; at least one of the upper end fixing buckle 210 and the lower end fixing buckle 220 is fixed on the device body 100 through the telescopic member 300, and is used for detachably fixing the device body 100 on the boss 600 of the air switch; the inner side of the device body 100 is provided with a limiting groove 400, the device body 100 is fixed behind the air switch, and the limiting groove 400 limits an operating handle of the air switch; the display screen 500 is located outside the device body 100.
Specifically, referring to fig. 1, the upper end fixing buckle 210 and the lower end fixing buckle 220 are fixed on the device body 100 through at least one expansion piece 300, when a maintenance worker disconnects the air switch to maintain the power distribution equipment, the device body 100 is fixed on a boss 600 of the air switch through the upper end fixing buckle 210 and the lower end fixing buckle 220, and when the air switch needs to be closed after maintenance is finished, the device body 100 is detached through the upper end fixing buckle 210 and the lower end fixing buckle 220; and the limiting groove 400 is seted up to device body 100 inboard for when the air switch disconnection, the operating handle of air switch can be injectd to limiting groove 400, and limiting groove 400 and the shape phase-match of air switch operating handle to can reach the effect that prevents the handle and reset. The display screen 500 is installed on the outer side of the device body 100, the display screen 500 can be an LED display screen, an OLED display screen or other display screens, and specific limitation is not made herein, when the device body 100 is fixed on an air switch, the display screen 500 lights warning pictures and texts for reminding a person approaching to the device to maintain and forbid switching on.
The technical scheme of this embodiment, detain through the upper end is fixed 210 and the fixed 220 knot of lower extreme can dismantle the device body and fix on air switch's boss, can use repeatedly for a long time, compare ordinary signboard, more can play stable effect to utilize the display screen to show warning picture and text, it is more obvious, solved air switch's the problem that the maloperation signboard of preventing drops easily, realized preventing personnel maloperation air switch, warn obvious effect.
On the basis of the above technical solution, the fixing buckle 200 is made of rubber. Utilize the fixed knot 200 of rubber material preparation, can the antiskid, avoided the problem that the fixed knot drops easily for fixed knot is more firm fixes on air switch's boss.
Example two
Fig. 2 is a schematic structural diagram of an air switch anti-misoperation device installed on an air switch according to a second embodiment of the present invention, which is applicable to the case of anti-misoperation of the air switch in this embodiment, specifically, the telescopic member 300 includes a telescopic fixing claw 310, an elastic element 320 and a telescopic cylinder 330; the telescopic fixing claw 310 is connected with the fixing buckle 200; the elastic element 320 is sleeved on the telescopic fixing claw 310; one end of the elastic element 320 is fixedly connected to the top of the telescopic cylinder 330, and the other end of the elastic element 320 is fixedly connected to the bottom of the telescopic fixing claw 310.
Illustratively, the telescopic member 300 is composed of a telescopic claw 310, an elastic element 320 and a telescopic cylinder 330, wherein the telescopic claw 310 is connected to the holder buckle 200, and may be connected to the upper holder buckle 210 or the lower holder buckle 220, and the connection to the upper holder buckle 210 is shown in fig. 2, but is not limited thereto. The elastic element 320 is sleeved on the telescopic fixing claw 310, the movement of the telescopic fixing claw 310 can drive the elastic element 320 to move, and the elastic element 320 can be a spring, for example. Referring to fig. 2, one end of the elastic element 320 is fixedly connected to the top of the telescopic cylinder 330, the other end of the elastic element 320 is fixedly connected to the bottom of the telescopic fixing claw 310, when the device body 100 needs to be fixed on the boss 600 of the air switch, the upper end fixing buckle 210 drives the telescopic fixing claw 310 to move upwards, the elastic element 320 is compressed, so that the fixing buckle 200 is more firmly fixed on the boss 600 of the air switch by the pressure of the elastic element 320, and the problem that the warning board easily drops is solved.
Referring to fig. 2, the telescopic member 300 further includes a switch 340 of a display screen; the switch 340 is fixed inside the telescopic cylinder 330; the switch 330 is triggered to illuminate the display screen 500 when the telescopic fixing jaw 310 is extended.
Specifically, referring to fig. 2, the switch 340 of the display screen 500 is installed in the telescopic member 330 for controlling whether the display screen 500 is lighted, when the device body 100 needs to be fixed on the boss 600 of the air switch, the telescopic fixing claw 310 will touch the switch 340 when the telescopic fixing claw 310 is driven to move upwards by stretching the upper fixing buckle 210, so that the switch 340 of the display screen 500 is closed, the display screen 500 is lighted, and warning pictures and texts are displayed. And switch 340 is the self-locking switch, as long as triggered will be closed all the time for display screen 500 continuously shows warning picture and text, reaches obvious warning effect, and when the maintenance ended, when taking off device body 100, flexible stationary dog 310 can move down, touches switch 340 of display screen 500 once more, makes switch 340 disconnection of display screen 500, thereby closes display screen 500.
Optionally, referring to fig. 3, fig. 3 is a schematic structural view of another air switch anti-misoperation device installed on an air switch according to a second embodiment of the present invention, specifically, referring to a partial enlarged view of fig. 3, a switch 340 includes a first touch-sensitive switch 341 and a second touch-sensitive switch 342, the first touch-sensitive switch 341 is installed at a position near the bottom of the telescopic fixing claw 310, the second touch-sensitive switch 342 is installed on an inner wall of the telescopic cylinder 330, and when the device body 100 needs to be fixed on the boss 600 of the air switch, the upper fixing buckle 210 is stretched to drive the telescopic fixing claw 310 to move upward, the first touch-sensitive switch 341 and the second touch-sensitive switch 342 approach and close, so as to light the display screen 500 and display warning images and texts. And the switch 340 is a self-locking switch, and is closed all the time as long as being triggered, so that the display screen 500 continuously displays warning pictures and texts, and an obvious warning effect is achieved, when the maintenance is finished and the device body 100 is taken down, the telescopic fixing claw 310 moves downwards, the first touch sensing switch 341 and the second touch sensing switch 342 are far away and disconnected, and the display screen 500 is closed.
Referring to fig. 2, the telescopic fixing jaw 310 is L-shaped.
Illustratively, the telescopic fixing claw 310 is L-shaped, and one end of the telescopic fixing claw 310 is connected to the holder buckle 200, and the other end is installed in the telescopic cylinder 330 of the telescopic member 300 and connected to the elastic member 320, so that when the holder buckle 200 is pulled, the elastic member 320 is compressed and deformed, thereby performing a clamping function.
Referring to fig. 2, the telescopic fixing jaw 310, the apparatus body 100 and the air switch form a first cavity 710; the lower end fixing buckle 220, the limiting groove 400 and the air switch form a second cavity 720; the first cavity 710 and the second cavity 720 are both communicated with the limiting groove 400.
Specifically, when the device body 100 is fixed on the boss 600 of the air switch, a first cavity 710 is formed between the telescopic fixing claw 310 and the device body 100 and the air switch, a second cavity 720 is formed between the limiting groove 400 and the air switch, the first cavity 710 and the second cavity 720 are communicated with the limiting groove 400, the limiting groove 400 can limit the operation handle of the air switch, and the air switch is prevented from being suddenly closed during maintenance to achieve the safety protection effect.
Referring to fig. 2, the device body 100 further includes a battery compartment 110 for supplying power to the display screen 500.
Specifically, the device body 100 is further provided with a battery compartment 110, the battery compartment 110 is used for placing a battery to supply power to the display screen 500, and the battery may be, for example, a lithium battery, a button battery, or other batteries, which is not limited specifically herein. The battery compartment 110 may also provide power to other electronics on the device body 100.
Referring to fig. 2, alternatively, the device body 100 has the same width as that of the single-chip air switch.
For example, the width of the device body 100 may be the same as that of a single-chip air switch, that is, the width of a 1P air switch, and only one device body 100 is required for limiting air switches with different widths. Because the operating handles of the nP air switches are connected together, only one device body 100 is needed to limit one nP air switch, so that the device body 100 can be suitable for different air switches on site, the effect of strong adaptability is achieved, and the cost is saved.
Referring to fig. 2, the apparatus body 100 further includes an infrared sensor 120, a controller 130, and a wireless communication module 140; the infrared sensor 120 is electrically connected to the controller 130, and is used for detecting whether a person approaches; the controller 130 is electrically connected to the wireless communication module 140, and is configured to send a prompt message indicating that a person approaches the apparatus body 100 to the mobile terminal.
Exemplarily, still install infrared sensor 120 on the device body 100, controller 130 and wireless communication module 140, infrared sensor 120 is used for detecting whether someone is close to, when infrared sensor 120 detects someone and is close to air switch, send the information that someone is close to for controller 130, controller 130 sends the information that received someone is close to for maintenance personal's mobile terminal through wireless communication module 140, maintenance personal can learn the information that someone is close to air switch, avoid maintenance personal other personnel closed air switch when the maintenance, the effect of safety protection has been played. The infrared sensor 120, the controller 130, and the wireless communication module 140 may all be powered by the battery compartment 110.
Referring to fig. 2, the maximum distance between the upper end holder 210 and the lower end holder 220 is greater than or equal to the height of the boss 600 of the air switch; the maximum distance between the upper and lower fixing buttons 210 and 220 is less than the height of the air switch.
Further, the maximum distance that can stretch between the upper end is fixed detained 210 and the lower extreme is fixed detains 220 is greater than or equal to the height of air switch's boss 600, so that can utilize fixed knot 200 to fix device body 100 on air switch's boss 600, and tensile maximum distance is less than air switch's height between upper end is fixed detained 210 and the lower extreme is fixed detained 220, so that maintenance person installs fixed knot 200 in air switch's top and bottom, and air switch's top and bottom position are the position of air switch wiring, if with the device card in this position, cause harm such as short circuit, electrocute easily, the effect of safety protection has been reached.
According to the technical scheme of the embodiment, the device body is detachably fixed on the boss of the air switch through the upper end fixing buckle 210 and the lower end fixing buckle 220, so that the device body can be repeatedly used for a long time, and has a more stable effect compared with a common signboard; the switch 340 of the display screen 500 is arranged in the telescopic piece 300, when the fixing buckle 200 is pulled to fix the device body 100, the switch 340 of the display screen 500 is touched, the display screen 500 is lightened, and warning pictures and texts are displayed by the display screen 500, so that the effect is more obvious; the width of the device body 100 is the same as that of the single-chip air switch, and air switches with different widths can be limited by only one device, so that the device is suitable for different air switches on site, and the effect of strong adaptability is achieved; by installing the infrared sensor 120, the controller 130 and the wireless communication module 140 on the device body 100, when the infrared sensor 120 detects that a person approaches the air switch, the information that the person approaches is sent to the controller 130, the controller 130 sends the information that the person approaches to a mobile terminal of a maintenance worker through the wireless communication module 140, the maintenance worker can know the information that the person approaches the air switch, other people are prevented from closing the air switch during maintenance, and the safety protection effect is achieved; through controlling the height of the boss 600 of the air switch that the maximum distance between the upper end fixing buckle 210 and the lower end fixing buckle 220 is greater than or equal to, and the maximum distance between the upper end fixing buckle 210 and the lower end fixing buckle 220 is smaller than the height of the air switch, the problems of short circuit and electric shock caused by the fact that maintenance personnel install the fixing buckles at the top and the bottom of the air switch easily are avoided. Consequently, the technical scheme of this embodiment has solved the problem that air switch's maloperation signboard of preventing dropped easily, has realized preventing personnel maloperation air switch, warns obvious effect.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. An air switch anti-misoperation device, comprising: the device comprises a device body, a fixing buckle, a telescopic piece, a limiting groove and a display screen;
the fixing buckle comprises an upper end fixing buckle and a lower end fixing buckle;
at least one of the upper end fixing buckle and the lower end fixing buckle is fixed on the device body through the telescopic piece and used for detachably fixing the device body on a boss of the air switch;
the inner side of the device body is provided with a limiting groove, the device body is fixed behind the air switch, and the limiting groove limits an operating handle of the air switch;
the display screen is located outside the device body.
2. The air switch anti-misoperation device according to claim 1,
the telescopic piece comprises a telescopic fixed claw, an elastic element and a telescopic cylinder;
the telescopic fixing claw is connected with the fixing buckle;
the elastic element is sleeved on the telescopic fixed claw;
one end of the elastic element is fixedly connected to the top of the telescopic cylinder, and the other end of the elastic element is fixedly connected to the bottom of the telescopic fixing claw.
3. The air switch anti-misoperation device according to claim 2,
the telescopic piece further comprises a switch of the display screen;
the switch is fixed inside the telescopic cylinder;
the switch is triggered to light the display screen when the telescopic fixing claw extends.
4. The air switch erroneous operation preventing device according to claim 3,
the telescopic fixing claw is L-shaped.
5. The air switch anti-misoperation device according to claim 1,
the telescopic fixing claw, the device body and the air switch form a first cavity;
the lower end fixing buckle, the limiting groove and the air switch form a second cavity;
the first cavity and the second cavity are communicated with the limiting groove.
6. The air switch anti-misoperation device according to claim 1,
the fixing buckle is made of rubber.
7. The air switch anti-misoperation device according to claim 1,
the device body further comprises a battery bin for supplying power to the display screen.
8. The air switch anti-misoperation device according to claim 1,
the width of the device body is the same as that of the single-chip air switch.
9. The air switch misoperation prevention device according to claim 1, wherein the device body further comprises an infrared sensor, a controller and a wireless communication module;
the infrared sensor is electrically connected with the controller and used for detecting whether a person approaches the infrared sensor;
the controller is electrically connected with the wireless communication module and used for sending prompt information of personnel approaching the device body to the mobile terminal.
10. The air switch anti-misoperation device according to claim 1,
the maximum distance between the upper end fixing buckle and the lower end fixing buckle is greater than or equal to the height of a boss of the air switch;
the maximum distance between the upper end fixing buckle and the lower end fixing buckle is smaller than the height of the air switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010989235.3A CN112117167B (en) | 2020-09-18 | 2020-09-18 | Misoperation prevention device for air switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010989235.3A CN112117167B (en) | 2020-09-18 | 2020-09-18 | Misoperation prevention device for air switch |
Publications (2)
| Publication Number | Publication Date |
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| CN112117167A true CN112117167A (en) | 2020-12-22 |
| CN112117167B CN112117167B (en) | 2023-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010989235.3A Active CN112117167B (en) | 2020-09-18 | 2020-09-18 | Misoperation prevention device for air switch |
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Citations (6)
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| DE102013212798A1 (en) * | 2013-07-01 | 2015-01-08 | Siemens Aktiengesellschaft | Blocking element for an electrical switch |
| CN208722775U (en) * | 2018-08-02 | 2019-04-09 | 嘉陵江亭子口水利水电开发有限公司 | Breaker mark board |
| CN208954854U (en) * | 2018-10-08 | 2019-06-07 | 云南电网有限责任公司楚雄供电局 | Blocking device and the air switch for using the device |
| CN209216830U (en) * | 2018-12-12 | 2019-08-06 | 中国南方电网有限责任公司超高压输电公司广州局 | A kind of air switch anti-misoperation lockset |
| CN110137043A (en) * | 2019-06-25 | 2019-08-16 | 国家电网有限公司 | A kind of limiting device preventing the anti-power transmission of low pressure |
| CN209947694U (en) * | 2019-05-05 | 2020-01-14 | 国网湖北省电力有限公司宜昌供电公司 | Power high-voltage switch air defense anti-misoperation device |
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2020
- 2020-09-18 CN CN202010989235.3A patent/CN112117167B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013212798A1 (en) * | 2013-07-01 | 2015-01-08 | Siemens Aktiengesellschaft | Blocking element for an electrical switch |
| CN208722775U (en) * | 2018-08-02 | 2019-04-09 | 嘉陵江亭子口水利水电开发有限公司 | Breaker mark board |
| CN208954854U (en) * | 2018-10-08 | 2019-06-07 | 云南电网有限责任公司楚雄供电局 | Blocking device and the air switch for using the device |
| CN209216830U (en) * | 2018-12-12 | 2019-08-06 | 中国南方电网有限责任公司超高压输电公司广州局 | A kind of air switch anti-misoperation lockset |
| CN209947694U (en) * | 2019-05-05 | 2020-01-14 | 国网湖北省电力有限公司宜昌供电公司 | Power high-voltage switch air defense anti-misoperation device |
| CN110137043A (en) * | 2019-06-25 | 2019-08-16 | 国家电网有限公司 | A kind of limiting device preventing the anti-power transmission of low pressure |
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| Publication number | Publication date |
|---|---|
| CN112117167B (en) | 2023-05-05 |
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