CN113189504A - Online detection and maintenance method for battery of underground mobile equipment - Google Patents
Online detection and maintenance method for battery of underground mobile equipment Download PDFInfo
- Publication number
- CN113189504A CN113189504A CN202110473256.4A CN202110473256A CN113189504A CN 113189504 A CN113189504 A CN 113189504A CN 202110473256 A CN202110473256 A CN 202110473256A CN 113189504 A CN113189504 A CN 113189504A
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- battery
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
- G01R31/387—Determining ampere-hour charge capacity or SoC
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention relates to an underground mobile equipment battery on-line detection and maintenance method, which belongs to the technical field of mining equipment and comprises a mobile equipment body and a charging device, wherein after the mobile equipment body is patrolled for a period of time, the mobile equipment battery on-line detection and maintenance are carried out according to the following steps: coupling; testing the battery capacity; charging is started. The method for detecting and maintaining the battery of the underground mobile equipment on line can regularly control the mobile equipment body to the designated position to maintain the battery, the whole mobile equipment battery on line detection and maintenance process can be automatically completed underground, the equipment does not need to be disassembled and assembled, the charging process is safe and reliable, the problems of monitoring the battery capacity and service life of the mobile equipment in the underground roadway of the coal mine and maintaining the battery are solved, the development of unmanned and intelligent technology of the mine is promoted, and the beneficial effect is obvious.
Description
Technical Field
The invention relates to an online detection and maintenance method for batteries of underground mobile equipment, and belongs to the technical field of mining equipment.
Background
The intelligent mine is characterized in that new generation information technologies such as cloud computing, big data, 5G and the Internet of things are deeply integrated with the production process of the mine, and self-planning, self-sensing, self-decision and self-operation of links such as mine design, tunneling, mining, transportation and lifting are realized, so that the production rate and economic benefit of the mine are improved, and the production of the mine is maintained at the optimal state and the optimal level through dynamic real-time monitoring of the production process. In the era of intelligent mines, people are necessarily replaced by machines, and the inspection of conveyor belts and equipment of underground coal mine tunnels becomes the most practical application scene of the robot replacement people.
Underground roadway with rugged and bumpy road surface is usually inspected by a track inspection device. The track inspection device walks back and forth on the track by carrying high definition digtal camera, infrared thermal imaging camera and various harmful gas sensors and other equipment, thereby detecting environmental parameters. Because these equipment of patrolling and examining have the battery mostly, in order to guarantee these equipment of patrolling and examining normal operating, it is significant to design an underground mobile device battery on-line measuring and maintenance method.
Disclosure of Invention
Therefore, the invention provides an underground mobile equipment battery on-line detection and maintenance method, which carries out the mobile equipment battery on-line detection and maintenance through the steps of coupling, charging function testing, battery capacity testing and starting charging. The invention provides the following technical scheme:
an online detection and maintenance method for batteries of underground mobile equipment comprises the following steps:
the mobile equipment comprises a mobile equipment body, a battery box, a body generator and a battery activation module, wherein the body generator is connected with a body friction wheel;
the charging device comprises a charging motor, and a charging coupling wheel is connected to the charging motor;
after the mobile equipment body is patrolled and examined for a period of time, the mobile equipment battery on-line detection and maintenance are carried out according to the following steps:
moving a mobile equipment body to a position of a charging device to enable a friction wheel of the mobile equipment body to be coupled and connected with a charging coupling wheel;
connecting the battery activation module with the battery box, discharging the batteries in the battery box at a high current, testing the battery capacity in the discharging process, and disconnecting the battery box and the battery activation module after the testing is finished;
and step three, starting the charging motor to charge the battery box with large current, and removing the coupling connection between the body friction wheel and the charging coupling wheel after the battery of the battery box is fully charged, so as to finish the on-line detection and maintenance of the battery of the mobile equipment.
As an improvement of the scheme, after the coupling in the step one is successful, a charging function test is carried out, the charging motor is started and drives the charging coupling wheel, the body friction wheel and the body generator in sequence, whether the charging function of the body generator is normal or not is tested by driving the body generator to rotate, and after the charging function is determined to be normal, the battery capacity test in the step two is carried out.
As an improvement of the above scheme, in the process of testing the charging function, if the main generator rotates, the current flows to the battery box in the direction of the current, and the charging current is greater than 0.25 times of the rated charging current, the charging function of the main generator is normal.
In the improvement of the scheme, in the large-current discharging process in the step two, when the battery voltage of the battery box is reduced to the set activation threshold, the large-current discharging is stopped, and the current battery capacity test value is recorded.
As an improvement of the above scheme, the mobile device body and the charging device are controlled by a remote monitoring system, and the remote monitoring system includes a cloud platform and/or an upper computer.
As an improvement of the above scheme, the mobile device body is disposed on the guide rail, and the mobile device body moves along a rail extending direction of the guide rail.
As an improvement of the scheme, when the mobile equipment body moves on the guide rail, the body friction wheel rotates on the guide rail in a friction mode, and then the body generator is driven to rotate and charge the battery box.
As a modification of the above, the charging device further includes a power supply box that supplies power to the charging motor.
As an improvement of the scheme, a body generator bearing is arranged between the body generator and the body friction wheel; and a charging motor bearing is arranged between the charging motor and the charging coupling wheel.
As a modification of the above, the charging motor and the charging motor bearing are provided with a transmission for changing the rotational speed of the charging coupling wheel.
The method for detecting and maintaining the battery of the underground mobile equipment on line provided by the invention has the following advantages:
(1) the mobile equipment body is provided with the body generator and the battery activation module, so that the problem of inaccurate estimation of the capacity of the low-current discharge battery is solved by a mode of testing the capacity of the battery through high-current discharge;
(2) after the battery capacity test is finished, the charging motor converts electric energy into mechanical energy, the body generator is driven through mechanical coupling, the mechanical energy is converted into electric energy through the rotation of the body generator, and the battery box is charged with large current;
(3) the method for detecting and maintaining the battery of the underground mobile equipment on line can regularly control the mobile equipment body to the designated position (the position where the charging device is located) to maintain the battery, the whole process of detecting and maintaining the battery of the mobile equipment on line can be automatically completed underground, the equipment does not need to be disassembled or assembled, the charging process is safe and reliable, the problems of monitoring the battery capacity and the service life of the mobile equipment in an underground roadway and maintaining the battery are solved, the development of unmanned and intelligent technology of mines is promoted, and the method has remarkable beneficial effects.
Drawings
Fig. 1 is a schematic structural diagram of a power supply device for downhole mobile equipment according to the present invention.
In the figure: 10-guide rail, 20-mobile device body, 21-body generator, 22-battery box, 23-battery activation module, 30-charging device, 31-power box, 32-charging motor, 33-buffer pad, 211-body generator bearing, 212-body friction wheel, 321-speed changer, 322-charging motor bearing, 323-charging coupling wheel.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments that follow, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and the like are to be construed broadly and include, for example, "connected" that may be either fixedly connected or detachably connected, or integrally formed; may be mechanically coupled, may be indirectly coupled through intervening media, may communicate between elements, or may be in an interactive relationship between elements, unless expressly defined otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1, the present invention provides an online detection and maintenance method for a battery of a downhole mobile device, comprising: the mobile equipment body 20 is used for inspecting underground environment parameters, the mobile equipment body 20 comprises a battery box 22, a body generator 21 and a battery activation module 23, and the body generator 21 is connected with a body friction wheel 212; the charging device 30, the charging device 30 includes the charging motor 32, connect with the charging coupling wheel 323 on the charging motor 32; after the mobile device body 20 patrols and examines a period of time (the period of mobile device battery on-line detection and maintenance can be set manually, and can be adjusted according to the mobile device polling field conditions), the mobile device battery on-line detection and maintenance are carried out according to the following steps:
firstly, moving the mobile equipment body 20 to the position of the charging device 30, so that the body friction wheel 212 is coupled with the charging coupling wheel 323;
step two, connecting the battery activation module 23 with the battery box 22, discharging the batteries in the battery box 22 at a large current, testing the battery capacity in the discharging process, and disconnecting the battery box 22 and the battery activation module 23 after the testing is finished;
and step three, starting the charging motor 32 to charge the battery box 22 with large current, and removing the coupling connection between the body friction wheel 212 and the charging coupling wheel 323 after the battery of the battery box 22 is fully charged, thereby completing the one-time online detection and maintenance of the mobile device battery.
The coupling connection between the body friction wheel 212 and the charging coupling wheel 323 can be a gear engagement coupling, and at this time, the body friction wheel 212 is coupled with a gear mechanism arranged on the charging coupling wheel 323, and the coupling connection mainly plays a role of transmitting the mechanical energy of the charging coupling wheel 323 to the body friction wheel 212.
The charging device 30 further includes a power supply box 31 that supplies power to a charging motor 32; the body generator 21 and the body friction wheel 212 may be connected by a rotating shaft, for example, a body generator bearing 211 may be provided between the body generator 21 and the body friction wheel 212; the charging motor 32 and the charging coupling wheel 323 may be connected by a rotating shaft, and for example, a charging motor bearing 322 may be provided between the charging motor 32 and the charging coupling wheel 323.
In the above scheme, after the coupling in the first step is successful, the charging function test is performed, the charging motor 32 is started and drives the charging coupling wheel 323, the body friction wheel 212 and the body generator 21 in sequence, the charging function of the body generator 21 is tested to be normal by driving the body generator 21 to rotate, and after the charging function is determined to be normal, the battery capacity test in the second step is performed. In the process of performing the charging function test, if the main generator 21 rotates, the current flows to the battery box 22 in the direction of current, and the charging current is greater than 0.25 times of the rated charging current, then the charging function of the main generator 21 is normal.
In the large-current discharging process in the step two, when the battery voltage of the battery box 22 is reduced to the set activation threshold, the large-current discharging is stopped, and the current battery capacity test value is recorded. In this step, the activation threshold may be manually set according to different batteries; recording the current battery capacity test value, wherein the battery capacity test value C can be calculated by the following formula: c ═ IDischarge current×△U×TTime of dischargeIn the formula, C is a battery capacity test value, IDischarge currentRefers to the current value during large current discharge, Δ U is the voltage at the beginning of discharge minus the voltage at the end of discharge, TTime of dischargeTime for discharging large current, TTime of dischargeThe unit of (a) is generally an hour.
In step three, the process of charging the battery box 22 with a large current by the charging motor 32 is as follows: firstly, the power box 31 supplies power to the charging motor 32, the charging motor 32 is started to drive the charging motor bearing 322, the charging coupling wheel 323, the body friction wheel 212, the body generator bearing 211 and the body generator 21 in sequence, and the body generator 21 converts mechanical energy into electric energy through rotation, so that the large-current charging of the battery box 22 is realized.
In the above scheme, when the mobile device body 20 needs to be charged, the mobile device body 20 may be close to and in contact with the charging device 30, at this time, the body friction wheel 212 and the charging coupling wheel 323 are coupled with each other, at this time, power may be supplied to the charging motor 32 through the power box 31 of the charging device 30, the charging motor 32 may sequentially drive the charging motor bearing 322, the charging coupling wheel 323, the body friction wheel 212, the body generator bearing 211 and the body generator 21 after being started, and the body generator 21 converts mechanical energy into electric energy through rotation, so as to charge the battery box 22. After the charging is completed, the coupling state of the body friction wheel 212 and the charging coupling wheel 323 is released, and the mobile device body 20 can leave the charging device 30 for corresponding downhole operation.
The mobile equipment body 20 can be all mobile equipment with batteries in a well, and can be an automatic inspection robot and other devices. The mobile device body 20 can be used for inspecting environmental parameters such as underground temperature, humidity, hydrogen sulfide, oxygen, carbon monoxide and the like.
Further, the mobile device body 20 is disposed on the guide rail 10; when the mobile device body 20 moves on the guide rail 10, the body friction wheel 212 rotates on the guide rail 10, and then the body generator 21 is driven to rotate and charge the battery box 22. The mobile device body 20 is provided with a pressing mechanism (not shown in fig. 1) for pressing the body friction wheel 212 onto the guide rail 10, when the mobile device body 20 approaches the charging device 30 for charging maintenance, the pressing mechanism is in a release state, the body friction wheel 212 on the mobile device body 20 is separated from the guide rail 10, when the mobile device body 20 completes charging maintenance and leaves the charging device 30, the pressing mechanism presses the body friction wheel 212 onto the guide rail 10, and friction generated when the body friction wheel 212 travels on the guide rail 10 drives the body generator 21 to rotate and charge the battery box 22.
When the mobile device body 20 normally operates, the mobile device body 20 moves on the guide rail 10 by means of traction of the steel wire rope, the body generator 21 can be driven to rotate through friction between the body friction wheel 212 and the guide rail 10 in the moving process, the battery box 22 is charged through rotation of the body generator 21, and the battery box 22 provides electric energy for devices such as a sensor, a camera and various harmful gas sensors carried on the mobile device body 20. Because the charging current of friction power generation is small, the power consumption of the mobile device body 20 in the inspection process is small, the battery of the battery box 22 can be aged in the long-term low-current charging and discharging process, the service life of the battery and the normal operation of the device are influenced, the battery needs to be monitored and maintained in the long-term operation mode, and the safe and reliable operation of the mobile device body 20 can be guaranteed, so that the battery needs to be maintained regularly after the inspection for a period of time.
In the above embodiment, the mobile device body 20 further includes a battery activation module 23 for discharging a large current to the battery box 22. In the preferred embodiment, the battery activation module 23 is equivalent to a high-power resistor, and specifically, a resistor of an aluminum case mechanism with a good heat dissipation effect may be used. The battery activation module 23 is controlled to be connected with the battery of the battery box 22, the battery of the battery box 22 is subjected to large-current discharge, and the battery capacity of the battery box 22 is tested through corresponding software by testing the discharge current and the discharge time during discharge.
A transmission 321 may be disposed between the charging motor 32 and the charging motor bearing 322, and the rotational speed of the charging motor bearing 322 and the charging coupling wheel 323 may be changed by the transmission 321. The faster the rotational speed of the charging coupling wheel 323, the higher the mechanical energy generated per unit time, and the more the corresponding body generator 21 generates electric energy.
In order to avoid direct collision when the charging device 30 approaches the mobile device body 20, a cushion 33 may be provided on the charging device 30 on a side close to the mobile device body 20, and the cushion 33 may play a certain role in buffering, thereby protecting the charging device 30 and the mobile device body 20 when they approach each other.
The invention provides a mobile device battery on-line detection and maintenance method, which comprises the following specific steps:
firstly, activating the battery, issuing a battery maintenance instruction through a remote monitoring system, and controlling the mobile equipment body 20 to move to the position of the electric device 30 so as to couple the body friction wheel 212 with the charging coupling wheel 323; after the coupling is successful, a charging function test is carried out, the charging motor 32 is controlled to start, the charging motor bearing 322, the charging coupling wheel 323, the body friction wheel 212, the body generator bearing 211 and the body generator 21 are sequentially driven by the belt, and whether the charging function of the body generator 21 is normal or not is tested by driving the body generator 21 to rotate; if the main body generator 21 rotates, the current flows to the battery box 22 in the direction of current, and the charging current is greater than 0.25 times of the rated charging current, the charging function of the main body generator 21 is normal;
step two, when the charging function is determined to be normal, the battery activation module 23 is connected with the battery box 22, the battery in the battery box 22 is subjected to heavy current discharge, the capacity of the battery is tested in the discharging process, when the battery voltage of the battery box 22 is reduced to a set activation threshold in the discharging process, the heavy current discharge is stopped, the current battery capacity test value is recorded, and the battery box 22 and the battery activation module 23 are disconnected after the test is finished; in the step, the battery capacity can be tested by testing the discharge current and the discharge time during discharge and calculating through software; the method for testing the battery capacity by the large-current discharge in the step can solve the problem that the estimation of the battery capacity by the small-current discharge is inaccurate, the large-current discharge is stopped when the battery is discharged to the set safe voltage of the battery, and the current estimated value of the battery capacity is recorded and uploaded to a remote monitoring system for recording;
step three, starting charging, starting the charging motor 32 to charge the battery box 22 with large current, recording a charging curve and charging time, and uploading the charging curve and the charging time to the remote monitoring system; after the battery of the battery box 22 is fully charged, the coupling connection between the body friction wheel 212 and the charging coupling wheel 323 is released, and the one-time online detection and maintenance of the mobile device battery are completed; in this step, the process of large current charging is as follows: the power box 31 supplies power to the charging motor 32, the charging motor 32 is started and then changes speed through the speed changer 321, the charging motor bearing 322, the charging coupling wheel 323, the body friction wheel 212, the body generator bearing 211 and the body generator 21 are sequentially driven, and the body generator 21 converts mechanical energy into electric energy through rotation, so that large-current charging is carried out on the battery box 22.
In the above steps, the mobile device body 20 and the charging device 30 are controlled by a remote monitoring system, and the remote monitoring system includes a cloud platform and/or an upper computer.
The method for detecting and maintaining the batteries of the underground mobile equipment on line can solve the problem of battery maintenance of the underground mobile equipment such as an underground inspection robot and the like, and can be suitable for all underground mobile equipment with batteries. The battery activating module 23 on the mobile device body 20 is connected with the battery box 22, so that the large current of the battery is discharged, and the battery capacity of the battery box 22 is accurately detected and recorded in the discharging process. After the battery capacity test is finished, the charging device 30 is controlled, the charging motor 32 is started to convert the electric energy into mechanical energy, the body generator 21 of the mobile device body 20 is driven through mechanical coupling, the mechanical energy is converted into the electric energy through the rotation of the body generator 21, and the battery box 22 is charged with large current. After the mobile device body 20 is fully charged, the coupling connection between the body friction wheel 212 and the charging coupling wheel 323 is released through a mechanically coupled separating mechanism, and the online detection and maintenance process of the battery of the mobile device body 20 is completed. The whole online detection and maintenance process can be automatically completed underground in a remote control mode, and can also be performed in a field manual control mode, and the whole process does not need to disassemble and assemble equipment, so that the online detection and maintenance process is very convenient.
Although the present invention has been described in detail hereinabove with reference to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made to the embodiments of the present invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. An online detection and maintenance method for batteries of underground mobile equipment is characterized by comprising the following steps:
the mobile equipment comprises a mobile equipment body (20), wherein the mobile equipment body (20) is used for inspecting underground environmental parameters, the mobile equipment body (20) comprises a battery box (22), a body generator (21) and a battery activation module (23), and the body generator (21) is connected with a body friction wheel (212);
the charging device (30) comprises a charging motor (32), and a charging coupling wheel (323) is connected to the charging motor (32);
after the mobile equipment body (20) is patrolled for a period of time, the mobile equipment battery is detected and maintained on line according to the following steps:
firstly, moving a mobile equipment body (20) to the position of a charging device (30) to couple and connect a body friction wheel (212) with a charging coupling wheel (323);
step two, connecting the battery activation module (23) with the battery box (22), discharging the batteries in the battery box (22) at a large current, testing the battery capacity in the discharging process, and disconnecting the battery box (22) and the battery activation module (23) after the testing is finished;
and step three, starting the charging motor (32) to charge the battery box (22) with large current, and removing the coupling connection between the body friction wheel (212) and the charging coupling wheel (323) after the battery of the battery box (22) is fully charged, thereby completing the online detection and maintenance of the battery of the mobile equipment.
2. The method for on-line detection and maintenance of batteries of downhole mobile equipment according to claim 1, wherein after the coupling in the first step is successful, a charging function test is performed, the charging motor (32) is started and drives the charging coupling wheel (323), the body friction wheel (212) and the body generator (21) in turn, whether the charging function of the body generator (21) is normal is tested by driving the body generator (21) to rotate, and after the charging function is determined to be normal, the battery capacity test in the second step is performed.
3. The on-line detection and maintenance method for the battery of the downhole mobile equipment according to claim 2, wherein during the charging function test, if the body generator (21) rotates, the current flows to the battery box (22) in the direction of the current, and the charging current is greater than 0.25 times of the rated charging current, the charging function of the body generator (21) is normal.
4. The on-line detection and maintenance method for the battery of the downhole mobile equipment according to claim 1, wherein in the large current discharging process of the second step, when the battery voltage of the battery box (22) is reduced to a set activation threshold, the large current discharging is stopped, and the current battery capacity test value is recorded.
5. The method for detecting and maintaining the battery of the downhole mobile equipment on line as claimed in claim 1, wherein the mobile equipment body (20) and the charging device (30) are controlled by a remote monitoring system, and the remote monitoring system comprises a cloud platform and/or an upper computer.
6. The on-line detection and maintenance method for the battery of the downhole mobile equipment as claimed in claim 1, wherein the mobile equipment body (20) is arranged on the guide rail (10), and the mobile equipment body (20) moves along the track extending direction of the guide rail (10).
7. The on-line detection and maintenance method for the battery of the downhole mobile equipment is characterized in that when the mobile equipment body (20) moves on the guide rail (10), the body friction wheel (212) rotates on the guide rail (10) in a friction mode, and then the body generator (21) is driven to rotate and charge the battery box (22).
8. The on-line detection and maintenance method for the battery of the downhole mobile equipment as claimed in claim 1, wherein the charging device (30) further comprises a power box 31 for supplying power to a charging motor (32).
9. The on-line detection and maintenance method for the battery of the downhole mobile equipment as claimed in claim 1, characterized in that a body generator bearing (211) is arranged between the body generator (21) and the body friction wheel (212); and a charging motor bearing (322) is arranged between the charging motor (32) and the charging coupling wheel (323).
10. The on-line detection and maintenance method for the battery of the downhole mobile equipment as claimed in claim 9, wherein the charging motor (32) and the charging motor bearing (322) are provided with a speed changer (321), and the speed changer (321) is used for changing the rotation speed of the charging coupling wheel (323).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110473256.4A CN113189504A (en) | 2021-04-29 | 2021-04-29 | Online detection and maintenance method for battery of underground mobile equipment |
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| CN202110473256.4A CN113189504A (en) | 2021-04-29 | 2021-04-29 | Online detection and maintenance method for battery of underground mobile equipment |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569824A (en) * | 2013-10-18 | 2015-04-29 | 徐传仁 | Backup battery detecting device of mine monitoring substation |
| CN110994730A (en) * | 2019-12-20 | 2020-04-10 | 中信重工开诚智能装备有限公司 | Colliery is autonomic mobile device charging device and control system in pit |
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2021
- 2021-04-29 CN CN202110473256.4A patent/CN113189504A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569824A (en) * | 2013-10-18 | 2015-04-29 | 徐传仁 | Backup battery detecting device of mine monitoring substation |
| CN110994730A (en) * | 2019-12-20 | 2020-04-10 | 中信重工开诚智能装备有限公司 | Colliery is autonomic mobile device charging device and control system in pit |
Non-Patent Citations (1)
| Title |
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| 廖育武等: "《光伏发电技术原理及工程应用》", 31 December 2018 * |
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Inventor after: Jing Jie Inventor after: Zhang Chaoping Inventor after: Wang Hao Inventor after: Li Xiuwen Inventor before: Jing Jie Inventor before: Zhang Chaoping Inventor before: Wang Hao |
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