CN110672910B - Acousto-optic electricity testing device with sound alarm function - Google Patents
Acousto-optic electricity testing device with sound alarm function Download PDFInfo
- Publication number
- CN110672910B CN110672910B CN201911066278.8A CN201911066278A CN110672910B CN 110672910 B CN110672910 B CN 110672910B CN 201911066278 A CN201911066278 A CN 201911066278A CN 110672910 B CN110672910 B CN 110672910B
- Authority
- CN
- China
- Prior art keywords
- unit
- voltage
- subunit
- acousto
- alarm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005611 electricity Effects 0.000 title claims abstract description 14
- 230000010365 information processing Effects 0.000 claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 230000003287 optical effect Effects 0.000 claims abstract description 4
- 230000005236 sound signal Effects 0.000 claims abstract description 4
- 239000000523 sample Substances 0.000 claims description 12
- 230000003321 amplification Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 230000010354 integration Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 239000010926 waste battery Substances 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 229910001923 silver oxide Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
- G01R19/155—Indicating the presence of voltage
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The invention discloses an acousto-optic electricity testing device with an acoustic alarm function, which comprises the following units: the electricity testing unit is used for testing whether the line and the electric equipment are electrified or not; the signal conversion unit is used for converting the received electric signals into optical signals and sound signals; the alarm unit is used for prompting voltage data and keeping distance of an operator; the power supply unit is used for supplying working power by utilizing the rechargeable battery; and the information processing unit is used for processing the received information and issuing an instruction to the alarm unit. The invention can provide on-site voice prompt to inform the detection personnel of whether voltage exists on the tested equipment or the circuit, and when the voltage exists, the voltage is prompted to be in voltage, so that the detection personnel has electric danger and does not need to approach, and the operation personnel needs to keep a warning sound of a safe distance, so that the method is simple and clear, the misoperation of the working personnel is avoided, and the personal safety is also ensured; the battery of the electroscope is replaced by the rechargeable battery, so that the rechargeable battery is repeatedly used, the fund is saved, and the environmental pollution caused by the waste battery is greatly reduced.
Description
Technical Field
The invention relates to the technical field of electric power engineering, in particular to an acousto-optic electricity testing device with an audible alarm function.
Background
The high-voltage electroscope is mainly used for detecting whether high-voltage overhead lines, cable lines and high-voltage electric equipment are electrified or not.
The device has great effect on guaranteeing personal safety. The main types of high-voltage electroscope include luminous high-voltage electroscope, acousto-optic high-voltage electroscope, and high-voltage electromagnetic induction rotary electroscope, and the rod-shaped telescopic high-voltage electroscope widely used at present has the following advantages:
the electroscopy sensitivity is high. The device is not influenced by sunlight and noise, and can be used indoors and outdoors at night in the daytime; the anti-interference performance is strong, overvoltage protection is arranged in the circuit, the temperature is automatically compensated, and the circuit has a full circuit self-checking function; an electronic automatic switch is arranged in the circuit, and the circuit is shielded by an integrated circuit, so that the integrated circuit can work safely and reliably under high voltage and strong electric field; misoperation of workers is avoided, and personal safety is guaranteed; the shell of the electroscope is made of ABS engineering plastic, and the telescopic operating rod is made of epoxy resin glass steel tubes; the product structure is integrative, and the use is deposited conveniently. However, there are several problems:
1. the electroscope used at present can not make a sound, and clearly prompts the electroscope which is the voltage of which level and how much safety distance needs to be kept.
2. The batteries of the electroscope do not use a rechargeable battery, and the consumption is large. The electroscope almost all uses the silver oxide button primary battery, and 5 silver oxide button batteries are required for each electroscope, and the electroscope from 0.4KV to 110KV of each power supply station is not less than 15, and the battery is changed once per electroscope one year, that is to say, each power supply station uses 75 silver oxide button batteries per year on average, about tens of thousands of power supply stations exist in the country, and the batteries that need to be changed every year are millions, and in addition, other non-power systems use, the number is very amazing. The waste battery is an "environmental killer", which not only pollutes the environment, but also further affects the human health. Spent batteries are increasingly posing a serious threat to the environment. Displaying data: harmful substances generated by one battery can pollute 60 thousands of liters of water, which is equal to the water drinking amount of one person in a lifetime: a section of the first battery rotten in the ground can engulf a square meter of land and can cause permanent public nuisance.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Based on the reasons, the invention provides the acousto-optic electroscope with the acoustic alarm.
Disclosure of Invention
In order to meet the requirements, the invention aims to provide an acousto-optic electroscope with an acoustic alarm.
In order to achieve the purpose, the invention adopts the following technical scheme:
an acousto-optic electroscope with an acoustic alarm comprises the following units:
the electricity testing unit is used for testing whether the line and the electric equipment are electrified or not;
the signal conversion unit is used for converting the received electric signals into optical signals and sound signals;
the alarm unit is used for prompting voltage data and keeping distance of an operator;
a power supply unit for supplying a working power source using a rechargeable battery;
and the information processing unit is used for processing the received information and issuing an instruction to the alarm unit.
The further technical scheme is that the electricity testing unit comprises a probe subunit, and the probe subunit is used for being connected with a circuit to be tested and equipment.
The further technical scheme is that the electricity testing unit further comprises a self-checking unit, and the self-checking unit is used for detecting the electrification condition of the electricity testing device.
The signal conversion unit comprises an input circuit subunit and an amplification integral circuit subunit, wherein the input circuit subunit is used for receiving probe information, and the amplification integral circuit subunit is used for processing the information of the input circuit subunit.
The technical scheme is that the alarm unit comprises a display subunit and a play subunit;
the display subunit is used for displaying the current voltage level and the safety distance to be kept;
the playing subunit is used for playing the current voltage level and the safety distance to be kept.
The further technical scheme is that the display subunit comprises a display screen.
The technical scheme is that the playing subunit comprises a buzzer or a loudspeaker.
The power supply unit comprises a charging battery subunit.
The information processing unit comprises a voltage grading subunit, and the voltage grading subunit is used for setting the detected voltage into a plurality of voltage grades.
The information processing unit further comprises a data detection subunit, wherein the data detection subunit is used for judging whether the voltage of the voltage grading subunit meets a threshold value and transmitting an alarm signal to the alarm unit.
Compared with the prior art, the invention has the beneficial effects that:
1. the device can provide on-site voice prompt to inform the detection personnel of whether voltage exists on the tested equipment or the circuit, when the voltage exists, the voltage is prompted to be in a voltage range, the voltage is dangerous and does not need to be close, and the operation personnel needs to keep a warning sound of a safe distance, so that the device is simple and clear, misoperation of the working personnel is avoided, and personal safety is guaranteed;
2. the battery of the electroscope is replaced by the rechargeable battery, so that the rechargeable battery is repeatedly used, the fund is saved, and the environmental pollution caused by the waste battery is greatly reduced.
The invention is further described below with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a frame schematic diagram of an embodiment of an acousto-optic electroscope with an acoustic alarm according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
As shown in fig. 1, a specific frame diagram of an acousto-optic electroscope with an acoustic alarm according to the present invention includes the following units:
the electricity testing unit 100 is used for testing whether the line and the electric equipment are electrified or not;
a signal conversion unit 200 for converting the received electrical signal into an optical signal and a sound signal;
an alarm unit 300 for prompting voltage data and keeping distance of an operator;
a power supply unit 400 for supplying a working power using a rechargeable battery;
and an information processing unit 500 for processing the received information and issuing an instruction to the alarm unit 300.
The further technical scheme is that the electricity testing unit 100 comprises a probe subunit 101, and the probe subunit 101 is used for being connected with a line and equipment to be tested.
Specifically, the probe subunit should include a probe at the front end of the electroscope, and after the probe is contacted with the high-voltage power grid, the signal is amplified through capacitive coupling, voltage division, rectification and clamping.
In a preferred embodiment, the electroscopic unit 100 further comprises a self-checking unit 102, and the self-checking unit 102 is used for detecting the electrification condition of the electroscopic device. Specifically, a small voltage transformer can be added at the head of the electroscope for measuring voltage, and the safety of the device can be ensured.
In a preferred embodiment, the signal conversion unit 200 includes an input circuit subunit 201 and an amplification and integration circuit subunit 202, the input circuit subunit 201 is configured to receive probe information, and the amplification and integration circuit subunit 202 is configured to process information input to the input circuit subunit 201. Specifically, the signal conversion unit 200 further needs to cooperate with an acousto-optic modulation process to act on the electroacoustic transducer in the form of an electrical signal (amplitude modulation), and then convert the electroacoustic transducer into an ultrasonic field changing in the form of an electrical signal, when light waves pass through an acousto-optic medium, due to acousto-optic effect, light carrier waves are modulated to become intensity modulation waves carrying information, so as to achieve the alarm effect of the present scheme.
In a preferred embodiment, the alarm unit 300 includes a display subunit 301, a play subunit 302;
the display subunit 301 is configured to display a current voltage level and a safety distance to be maintained;
the playing subunit 302 is configured to play the current voltage level and the safety distance to be maintained.
In a preferred embodiment, the display subunit 301 includes a display screen.
In other embodiments, the display subunit 301 may also be implemented by an indicator light, which may be provided with several colors for representing different voltages.
In a preferred embodiment, the playing subunit 302 includes a buzzer or a speaker.
In a preferred embodiment, the power supply unit 400 includes a charging battery subunit 401. Specifically, the battery on the electroscope is replaced by a rechargeable battery, the battery does not need to be detached for charging during charging, and a charger is additionally arranged to be directly connected to the electroscope in a plugging mode. Specifically, when the battery power is insufficient, a prompt is sent to the alarm unit 300, and the user needs to charge the battery.
As a preferred embodiment, the information processing unit 500 includes a voltage grading subunit 501, and the voltage grading subunit 501 is configured to set the detected voltage to a plurality of voltage grades. Specifically, the voltage grading subunit 501 sets several voltage grades, i.e., 0.4KV, 10KV, 35KV, 110KV, 220KV, etc., each voltage grade ranges between plus or minus 10%, that is, the voltages of 9KV and 11KV are classified into the voltage of 10KV, and the rest voltages are analogized as such. After the voltage classification subunit 501 classifies the voltage, it transmits the voltage to the next unit.
The instruction sent by the information processing unit 500 also needs to be converted by the information conversion unit 200 and then transmitted to the alarm unit 300.
In a preferred embodiment, the information processing unit 500 further comprises a data detection subunit 502, and the data detection subunit 502 is configured to determine whether the voltage of the voltage classification subunit 501 meets a threshold value and transmit an alarm signal to the alarm unit 300.
Specifically, after receiving the information from the voltage classification subunit 501, the data detection unit 502 identifies and determines in time, and sends a signal to the alarm unit 300 when a voltage threshold (e.g., 10 KV) set by a user is reached, and transmits the signal to the display subunit 301 and the play subunit 302 (regardless of the voltage level) of the alarm unit 300.
In addition, the device gives out light and gives an alarm by simulating the voice of a person when the tested device or line is electrified and the voltage is kilovolt, and the alarm voice of how far the operator needs to keep the safety distance is simple and clear, so that the misoperation of the operator is avoided, and the personal safety is guaranteed.
Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the examples described in connection with the embodiments disclosed herein may be embodied in electronic hardware, computer software, or combinations of both, and that the components and steps of the examples have been described in a functional general in the foregoing description for the purpose of illustrating clearly the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention. It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative. For example, the division of each unit is only one logic function division, and there may be another division manner in actual implementation. For example, more than one element or component may be combined or may be integrated into another system or some features may be omitted, or not implemented.
The steps in the method of the embodiment of the invention can be sequentially adjusted, combined and deleted according to actual needs. The units in the device of the embodiment of the invention can be merged, divided and deleted according to actual needs.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit may be implemented in the form of hardware, or may also be implemented in the form of a software functional unit.
The integrated unit, if implemented as a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention essentially or partially contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a terminal, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The acousto-optic electroscope with the acoustic alarm is characterized by comprising the following units:
the electricity testing unit is used for testing whether the line and the electric equipment are electrified or not;
the signal conversion unit is used for converting the received electric signals into optical signals and sound signals;
the alarm unit is used for prompting voltage data and keeping distance of an operator;
a power supply unit for supplying a working power source using a rechargeable battery;
the information processing unit is used for processing the received information and issuing an instruction to the alarm unit;
the electricity testing unit further comprises a self-testing unit, and the self-testing unit is used for detecting the electrification condition of the electricity testing device; a small voltage transformer is added at the head of the electroscope to measure voltage;
the information processing unit comprises a voltage grading subunit, and the voltage grading subunit is used for setting the detected voltage into a plurality of voltage grades;
the information processing unit also comprises a data detection subunit, and the data detection subunit is used for judging whether the voltage of the voltage grading subunit meets the threshold value and transmitting an alarm signal to the alarm unit.
2. The acousto-optic electroscope apparatus with an acoustic alarm according to claim 1, wherein the electroscope unit includes a probe subunit, and the probe subunit is used for connecting with a line or equipment to be tested.
3. The acousto-optic electroscope apparatus with an acoustic alarm according to claim 1, wherein the signal conversion unit includes an input circuit subunit for receiving probe information and an amplification and integration circuit subunit for processing information of the input circuit subunit.
4. The acousto-optic electroscope device with an acoustic alarm function according to claim 1, wherein the alarm unit includes a display sub-unit and a playing sub-unit;
the display subunit is used for displaying the current voltage level and the safety distance to be kept;
the playing subunit is used for playing the current voltage level and the safety distance to be kept.
5. The acousto-optic electroscope apparatus with an acoustic alarm according to claim 4, wherein the display sub-unit comprises a display screen.
6. The acousto-optic electroscope apparatus with an audible alarm according to claim 4, wherein the broadcasting sub-unit includes a buzzer or a speaker.
7. The acousto-optic electroscope apparatus with an audible alarm according to claim 1, wherein the power supply unit includes a rechargeable battery sub-unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911066278.8A CN110672910B (en) | 2019-11-04 | 2019-11-04 | Acousto-optic electricity testing device with sound alarm function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911066278.8A CN110672910B (en) | 2019-11-04 | 2019-11-04 | Acousto-optic electricity testing device with sound alarm function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110672910A CN110672910A (en) | 2020-01-10 |
| CN110672910B true CN110672910B (en) | 2023-02-24 |
Family
ID=69085740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911066278.8A Active CN110672910B (en) | 2019-11-04 | 2019-11-04 | Acousto-optic electricity testing device with sound alarm function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110672910B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137287A (en) * | 2021-12-02 | 2022-03-04 | 国网江苏省电力有限公司常州供电分公司 | Electricity-testing self-detection warning device based on high applicability of power equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2035092U (en) * | 1988-02-02 | 1989-03-29 | 湖南省长沙电业局供用电科研所 | Dual electronic signal warning ligh-voltage electroscope |
| US5867019A (en) * | 1996-10-23 | 1999-02-02 | Bmf Engineering Inc. | Power cable voltage tester |
| CN201974467U (en) * | 2011-02-28 | 2011-09-14 | 罗明 | Charging type electroscope |
| CN105137157A (en) * | 2015-09-09 | 2015-12-09 | 国家电网公司 | Alternating- and direct-current high-voltage electricity testing device |
| CN205120814U (en) * | 2015-11-17 | 2016-03-30 | 国家电网公司 | Rechargeable high -voltage electroscope |
| CN106443143A (en) * | 2016-11-17 | 2017-02-22 | 国网山东省电力公司成武县供电公司 | 10-kV multifunctional electroscope and electroscope system for power line operation verification |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204666712U (en) * | 2015-06-05 | 2015-09-23 | 国家电网公司 | A kind of safe electroscope |
-
2019
- 2019-11-04 CN CN201911066278.8A patent/CN110672910B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2035092U (en) * | 1988-02-02 | 1989-03-29 | 湖南省长沙电业局供用电科研所 | Dual electronic signal warning ligh-voltage electroscope |
| US5867019A (en) * | 1996-10-23 | 1999-02-02 | Bmf Engineering Inc. | Power cable voltage tester |
| CN201974467U (en) * | 2011-02-28 | 2011-09-14 | 罗明 | Charging type electroscope |
| CN105137157A (en) * | 2015-09-09 | 2015-12-09 | 国家电网公司 | Alternating- and direct-current high-voltage electricity testing device |
| CN205120814U (en) * | 2015-11-17 | 2016-03-30 | 国家电网公司 | Rechargeable high -voltage electroscope |
| CN106443143A (en) * | 2016-11-17 | 2017-02-22 | 国网山东省电力公司成武县供电公司 | 10-kV multifunctional electroscope and electroscope system for power line operation verification |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110672910A (en) | 2020-01-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105137226A (en) | Line grounding state detection and positioning device | |
| CN107657856A (en) | A kind of safe real training interaction systems of distribution line live working | |
| CN110672910B (en) | Acousto-optic electricity testing device with sound alarm function | |
| CN110912271A (en) | Intelligent power grid fault monitoring and transmitting system | |
| CN202058289U (en) | Inspection device for electricity utilization information acquisition terminal | |
| CN204495912U (en) | Distribution grounding resistor monitoring system | |
| CN106771639B (en) | High pressure pole tower ground resistance on-line monitoring system | |
| CN206074695U (en) | A kind of high-voltage capacitor is wirelessly transferred automatic discharging detection means | |
| CN205139284U (en) | Instrument is sent in direct current examination | |
| CN104333083A (en) | Online maintenance system of distributed power supply | |
| CN102955099A (en) | Testing method for high-voltage cable identification and device thereof | |
| CN203838233U (en) | High-voltage electricity detection circuit with high sensitivity | |
| CN204065229U (en) | Contact net electrification real-time detection apparatus | |
| CN208421144U (en) | A kind of novel zero insulation detection device | |
| CN103513166A (en) | High-voltage grid ultraviolet ray online monitoring system | |
| CN205120814U (en) | Rechargeable high -voltage electroscope | |
| CN203350385U (en) | Direct current system parasitic circuit on-line detection apparatus | |
| CN204188715U (en) | A kind of distribution line real-time working condition inverting pilot system | |
| CN106771490A (en) | A kind of OPGW terminal monitorings system | |
| CN203259499U (en) | Post insulator detector | |
| CN205940645U (en) | Bus duct check out test set | |
| CN207473019U (en) | A kind of 110kV or 220kV substations step voltage detection insulated shoes | |
| CN210605975U (en) | Intelligent voice warning indicator | |
| CN108667142A (en) | A kind of Intelligent power distribution monitoring device for distribution substation | |
| CN204495804U (en) | A kind of portable SF6 gas characteristic Monitoring Indexes device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231218 Address after: No.17 Binhe Road, Nanming District, Guiyang City, Guizhou Province Patentee after: Guizhou Power Grid Co.,Ltd. Address before: Party Committee Government of Yemachuan Town, Hezhang County, Bijie City, Guizhou Province 551700 Patentee before: Xiao Yuanqi |