CN105044514A - Switch power supply state monitoring system - Google Patents
Switch power supply state monitoring system Download PDFInfo
- Publication number
- CN105044514A CN105044514A CN201510448221.XA CN201510448221A CN105044514A CN 105044514 A CN105044514 A CN 105044514A CN 201510448221 A CN201510448221 A CN 201510448221A CN 105044514 A CN105044514 A CN 105044514A
- Authority
- CN
- China
- Prior art keywords
- power supply
- switch
- host computer
- serial server
- monitoring system
- 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.)
- Granted
Links
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a switch power supply state monitoring system which comprises a transformer, a power supply module, a battery, a serial port server, a switch and an upper computer. The transformer is used for providing an alternating current for the power supply module; the power supply module is used for converting the alternating current into a direct current and providing power for the battery and the serial port server by utilizing the direct current; the battery is used for providing power for the switch; and the upper computer is used for obtaining the power supply data of the serial port server and the switch, and gives a response to the power supply state of the switch according to the power supply data of the serial port server and the switch so as to realize real-time monitoring of the power supply state of the switch. According to the switch power supply state monitoring system, when external power supply stops, attended personnel can take measures in time through the response of the upper computer, and power supply resumes before battery discharge is finished, thereby ensuring continuity and stability of power supply of the switch, and improving scientific and refined management level.
Description
Technical field
The present invention relates to power supply for exchange Condition Monitoring Technology field, particularly relate to a kind of power supply for exchange condition monitoring system.
Background technology
At present, flame-proof type switch is widely used in underground coal mine, for the transmission of data.Feeding switch is nearby taken from the power supply of switch more, and in the normal use of switch, generally nobody is on duty at the scene.When there are tripping operation or other faults in the external communication power supply for power supply for exchange, the externally fed of switch stops, for the reserve battery of power supply for exchange drops into power supply immediately, switch signal data still can normal transmission, thus cause ground machine room duty personnel can not Timeliness coverage switch externally fed interrupt, after backup batteries discharge, switch quits work, signal data Transmission, cause loss of data, now machine room duty personnel in ground could find that switch has a power failure, and now again contact on-the-spot near personnel or ground duty personnel promptly go into the well and restore electricity, restore electricity and need certain hour, switch can not normal receive data within this time period, impact monitoring, there is larger potential safety hazard, thus system equipment stable operation cannot be guaranteed.
Therefore, how to provide a kind of monitoring system of Real-Time Monitoring power supply for exchange state, avoiding occurring switch because externally fed power failure and out-of-work situation are those skilled in the art needs the problem that solves at present.
Summary of the invention
The object of this invention is to provide a kind of power supply for exchange condition monitoring system, when externally fed stops, duty personnel can be taken measures in time by the response of host computer, restore electricity before battery discharge is complete, ensure the stability of power supply for exchange, improve science fine-grained management level.
For solving the problems of the technologies described above, the invention provides a kind of power supply for exchange condition monitoring system, comprising transformer, power module, battery, serial server, switch and host computer, wherein,
Described transformer, for providing alternating current for described power module;
Described power module, for converting described alternating current to direct current, and utilizes described direct current to be respectively described battery and described serial server provides power supply;
Described battery, for providing power supply for described switch;
Described host computer, for obtaining the power data of described serial server and described switch respectively, and make response according to the power supply state of power data to described switch of described serial server and described switch, to realize the Real-Time Monitoring to described power supply for exchange state.
Preferably, described host computer, specifically for:
Ping statement is sent respectively to described serial server and described switch;
When all energy ping leads to for described serial server and described switch, the power supply state of described host computer to described switch makes the first response;
When described serial server cannot lead to by ping, described switch can ping when leading to, and the power supply state of described host computer to described switch makes the second response;
When described serial server and described switch all cannot ping lead to time, the power supply state of described host computer to described switch makes the 3rd response.
Preferably, the described first animation color responded as the described switch on described host computer is green; The described second animation color responded as the described switch on described host computer is yellow; The described 3rd animation color responded as the described switch on described host computer is red;
Wherein, described animation color is the interface color of the configuration animation of described switch on described host computer, with the power supply state one_to_one corresponding of described switch.
Preferably, the power data of described serial server and described switch is byte feedback data.
Preferably, the voltage of described alternating current is 127V.
Preferably, described direct current is 24V.
Preferably, described battery is specially Ni-MH battery group.
Preferably, the closed shell of described switch is metal enclosed housing.
A kind of power supply for exchange condition monitoring system provided by the invention, switch is battery-powered, serial server is directly powered by power module, when switch external communication electricity power supply break down cannot continue to provide power supply time, serial server quits work immediately, and the switch that continues as that now battery can be temporary transient provides power supply, host computer obtains the power data of serial server and switch respectively, and make response according to the power supply state of power data to switch of serial server and switch, for duty personnel provides accurately, to power intuitively information, facilitate the Real-Time Monitoring of duty personnel to power supply for exchange state.Therefore, when externally fed stops, duty personnel can be taken measures in time by the response of host computer, restores electricity before battery discharge is complete, has ensured the stability of power supply for exchange, improves science fine-grained management level.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, be briefly described to the accompanying drawing used required in prior art and embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of power supply for exchange condition monitoring system provided by the invention.
Embodiment
Core of the present invention is to provide a kind of power supply for exchange condition monitoring system, when externally fed stops, duty personnel can be taken measures in time by the response of host computer, restore electricity before battery discharge is complete, ensure the stability of power supply for exchange, improve science fine-grained management level.
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of power supply for exchange condition monitoring system provided by the invention, and this device comprises:
Transformer 11, power module 12, battery 14, serial server 13, switch 15 and host computer 16, wherein,
Transformer 11, for providing alternating current for power module 12;
As preferably, the voltage of the input end alternating current of transformer 11 is 660V or 127V, and transformer 11 will export the alternating current of 127V after input terminal voltage transformation, for power module 12 is powered.
It should be noted that and special restriction is not done for the concrete input AC electricity of transformer 11 and the concrete magnitude of voltage of output AC electricity here, determine according to actual conditions.
Power module 12, for converting alternating current to direct current, and utilizes direct current to be respectively battery 14 and serial server 13 provides power supply;
As preferably, power module 12 converts the 127V alternating current of input the direct current of 24V to, and using 24V direct current as the power supply of battery 14 and serial server 13.
Battery 14, for providing power supply for switch 15;
Be understandable that, power module 12 charges for battery 14, battery 14 provides power supply for switch 15, when external power source disconnects, also namely power module 12 stop for battery 14 and serial server 13 power time, the electricity that battery 14 utilizes self to store continues as switch 15 and powers, and now serial server 13 then quits work.
As preferably, battery 14 can be Ni-MH battery group, and certainly, battery 14 can also be the battery of other types, and the present invention does not do special restriction at this, can realize the dissimilar battery of the object of the invention all within protection scope of the present invention.
As preferably, switch 15 used in the present invention can be KJJ660 flame-proof mine gigabit ring exchanger, and certainly, can also be the switch of other models, the present invention do special restriction at this.
In addition, the closed shell of switch 15 can be metal enclosed housing.
Host computer 16, for obtaining the power data of serial server 13 and switch 15 respectively, and makes response, to realize the Real-Time Monitoring to switch 15 power supply state according to the power supply state of power data to switch 15 of serial server 13 and switch 15.
Be the understanding to application technical scheme for convenience, enumerate the function of a concrete example to host computer 16 below and be described:
First on host computer 16, use Intoch, ifix, KingView or other software programmings configuration animation system, multiple switch can be comprised in this configuration animation system, the color at the interface of the configuration animation of switch 15 and the power supply state one_to_one corresponding of this switch 15, be used for reflecting switch 15 external communication electricity power supply state.Such as can represent that this switch external communication electricity power supply is normal, the electric power supply of external communication stops and battery 14 is powered, the power supply of external communication electricity stops and battery 14 is stopped power supply these three kinds of running statuses respectively with green, yellow, red respectively.Certainly, the present invention can also represent this three kinds of running statuses by other colors or animation, and the present invention does not do special restriction at this, can realize the response of the host computer 16 of the object of the invention all within protection scope of the present invention.
For how to obtain the power data of serial server 13 and switch 15 respectively and make response according to the power supply state of power data to switch 15 of serial server 13 and switch 15, provide a concrete example below:
Host computer 16 just sends ping statement respectively to serial server 13 and switch 15 every Preset Time;
Be understandable that, Preset Time is here artificial setting, and concrete numerical value the present invention of Preset Time does not do special restriction at this, determines according to actual conditions.
In addition, host computer 16 can send ping statement to the multiple switches in configuration animation system simultaneously, and responds to the external communication electricity power supply state of this multiple switch.
When the power supply of external communication electricity is normal, now serial server 13 and switch 15 all can lead to by ping; When the power supply of external communication electricity stops and battery 14 is powered, now serial server 13 quits work without electricity, cannot lead to by ping, switch 15 can lead to by ping, when the power supply of external communication electricity stops and battery 14 is stopped power supply, now serial server 13 and switch 15 all quit work without electricity, cannot lead to by ping.
Therefore, when serial server 13 and switch 15 all can ping lead to time, the power supply state of host computer 16 pairs of switches 15 makes the first response, and the color of the configuration animation of the switch 15 also namely now on host computer 16 be green;
When serial server 13 cannot lead to by ping, switch 15 can ping when leading to, and the power supply state of host computer 16 pairs of switches 15 makes the second response, and the color of the configuration animation of the switch 15 also namely now on host computer 16 be yellow;
When serial server 13 and switch 15 all cannot ping lead to time, the power supply state of host computer 16 pairs of switches 15 makes the 3rd response, and the color of the configuration animation of the switch 15 also namely now on host computer 16 is red.
The duty personnel of ground machine room or Control Room by the color of the configuration animation of switch 15 can be real-time real-time supervision is done to the power supply state of switch 15 external communication electricity, show according to observation interface color, judge whether the power supply of switch 15 normally works, and makes corresponding emergency preplan in time according to different situations.
Such as, when the color of the configuration animation of the switch 15 on host computer 16 is yellow, then mean that now the power supply of external communication electricity stops, battery 14 is only had to power, now duty personnel can in time contact on-the-spot near personnel or ground duty personnel promptly go into the well and recover the power supply of switch 15, when alternating current recovers normal, switch 15 and serial server 13 are started working simultaneously, host computer 16 can lead to switch 15 and serial server 13 by ping, corresponding states animation virescence.Make battery 14 electric quantity consumption is complete stop power supply before recover the power supply of switch 15 external communication electricity, ensure that the continuity that switch 15 is powered, also just achieve the stable of switch 15 data communication and continuously.
It should be noted that, the example of the above-mentioned act of the present invention sends ping statement by host computer 16 respectively to serial server 13 and switch 15, whether can lead to whether the power supply that judges switch 15 normally work by ping according to serial server 13 and switch 15.In fact, judge whether the power supply of switch 15 has normally worked a variety of method, whether the byte feedback data such as sent to host computer 16 by serial server 13 and/or switch 15 or video data normally judge, the data that also can be transmitted to host computer 16 by the sensor of the sensor of serial server 13 and/or switch 15 whether continuously, stablize and judge.
In addition, whether the power data obtaining serial server 13 and switch 15 respectively for host computer 16 in the present invention is that same type does not do special restriction, and can be same type, also can be dissimilar.Such as; serial server 13 sends byte feedback data and switch 15 sends video data etc. to host computer 16 to host computer 16; the present invention does not do special restriction for how specifically adopting which kind of method to judge whether the power supply of switch 15 normally works, and can realize the determination methods of the object of the invention all within protection scope of the present invention.
A kind of power supply for exchange condition monitoring system provided by the invention, switch is battery-powered, serial server is directly powered by power module, when switch external communication electricity power supply break down cannot continue to provide power supply time, serial server quits work immediately, and the switch that continues as that now battery can be temporary transient provides power supply, host computer obtains the power data of serial server and switch respectively, and make response according to the power supply state of power data to switch of serial server and switch, for duty personnel provides accurately, to power intuitively information, facilitate the Real-Time Monitoring of duty personnel to power supply for exchange state.Therefore, when externally fed stops, duty personnel can be taken measures in time by the response of host computer, restores electricity before battery discharge is complete, has ensured the stability of power supply for exchange, improves science fine-grained management level.
Visible, a kind of power supply for exchange condition monitoring system provided by the invention, can react power supply for exchange state at any time accurately.Ensure the stable operation of mine Industrial Ethernet, be conducive to mine can control in real time and monitoring underground working information, having provides that information is accurate, easy to maintenance, the advantage of intuitive display, improve colliery science fine-grained management level, be adapted at using in underground coal mine unmanned, the unattended machine room in place or ground of power supply instability, storehouse.
It should be noted that, in this manual, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
Professional can also recognize further, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with electronic hardware, computer software or the combination of the two, in order to the interchangeability of hardware and software is clearly described, generally describe composition and the step of each example in the above description according to function.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a power supply for exchange condition monitoring system, is characterized in that, comprises transformer, power module, battery, serial server, switch and host computer, wherein,
Described transformer, for providing alternating current for described power module;
Described power module, for converting described alternating current to direct current, and utilizes described direct current to be respectively described battery and described serial server provides power supply;
Described battery, for providing power supply for described switch;
Described host computer, for obtaining the power data of described serial server and described switch respectively, and make response according to the power supply state of power data to described switch of described serial server and described switch, to realize the Real-Time Monitoring to described power supply for exchange state.
2. power supply for exchange condition monitoring system as claimed in claim 1, is characterized in that, described host computer, specifically for:
Ping statement is sent respectively to described serial server and described switch;
When all energy ping leads to for described serial server and described switch, the power supply state of described host computer to described switch makes the first response;
When described serial server cannot lead to by ping, described switch can ping when leading to, and the power supply state of described host computer to described switch makes the second response;
When described serial server and described switch all cannot ping lead to time, the power supply state of described host computer to described switch makes the 3rd response.
3. power supply for exchange condition monitoring system as claimed in claim 2, is characterized in that, the described first animation color responded as the described switch on described host computer is green; The described second animation color responded as the described switch on described host computer is yellow; The described 3rd animation color responded as the described switch on described host computer is red;
Wherein, described animation color is the interface color of the configuration animation of described switch on described host computer, with the power supply state one_to_one corresponding of described switch.
4. power supply for exchange condition monitoring system as claimed in claim 1, it is characterized in that, the power data of described serial server and described switch is byte feedback data.
5. the power supply for exchange condition monitoring system as described in any one of claim 1-4, is characterized in that, the voltage of described alternating current is 127V.
6. power supply for exchange condition monitoring system as claimed in claim 5, it is characterized in that, described direct current is 24V.
7. power supply for exchange condition monitoring system as claimed in claim 1, it is characterized in that, described battery is specially Ni-MH battery group.
8. power supply for exchange condition monitoring system as claimed in claim 1, it is characterized in that, the closed shell of described switch is metal enclosed housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510448221.XA CN105044514B (en) | 2015-07-27 | 2015-07-27 | A kind of power supply for exchange condition monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510448221.XA CN105044514B (en) | 2015-07-27 | 2015-07-27 | A kind of power supply for exchange condition monitoring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105044514A true CN105044514A (en) | 2015-11-11 |
| CN105044514B CN105044514B (en) | 2018-07-06 |
Family
ID=54451200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510448221.XA Active CN105044514B (en) | 2015-07-27 | 2015-07-27 | A kind of power supply for exchange condition monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105044514B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100873A (en) * | 2016-05-31 | 2016-11-09 | 深圳市双赢伟业科技股份有限公司 | A kind of exchanger power method for early warning and device |
| CN109962796A (en) * | 2017-12-22 | 2019-07-02 | 北京世纪东方通讯设备有限公司 | Interchanger power fail warning method and equipment applied to railway video monitoring system |
| CN111064584A (en) * | 2019-12-13 | 2020-04-24 | 京信通信系统（中国）有限公司 | Switch POE power supply abnormity recovery method and device and switch |
| CN111638715A (en) * | 2020-05-29 | 2020-09-08 | 北京海益同展信息科技有限公司 | Robot control method, robot, electronic device, and storage medium |
| CN112255563A (en) * | 2020-10-20 | 2021-01-22 | 广州极飞科技有限公司 | Uninterruptible power supply testing method, device, system, equipment and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0310178A (en) * | 1989-06-07 | 1991-01-17 | Fujitsu Ltd | Voltage measuring system for backup battery |
| CN202383262U (en) * | 2011-12-02 | 2012-08-15 | 安徽理工大学 | LS-SM-based underground monitoring substation power supply safety early warning system |
| CN103032098A (en) * | 2012-11-22 | 2013-04-10 | 淮南矿业(集团)有限责任公司 | Monitoring and controlling device and coal mine safety monitoring system |
| CN103117590A (en) * | 2011-11-17 | 2013-05-22 | 硕天科技股份有限公司 | Uninterruptible power power-supply system provided with simplified voltage detector circuit |
| CN203661103U (en) * | 2014-01-07 | 2014-06-18 | 北京中科腾越科技发展有限公司 | Switch with electric power storage function and power loss alarm function |
-
2015
- 2015-07-27 CN CN201510448221.XA patent/CN105044514B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0310178A (en) * | 1989-06-07 | 1991-01-17 | Fujitsu Ltd | Voltage measuring system for backup battery |
| CN103117590A (en) * | 2011-11-17 | 2013-05-22 | 硕天科技股份有限公司 | Uninterruptible power power-supply system provided with simplified voltage detector circuit |
| CN202383262U (en) * | 2011-12-02 | 2012-08-15 | 安徽理工大学 | LS-SM-based underground monitoring substation power supply safety early warning system |
| CN103032098A (en) * | 2012-11-22 | 2013-04-10 | 淮南矿业(集团)有限责任公司 | Monitoring and controlling device and coal mine safety monitoring system |
| CN203661103U (en) * | 2014-01-07 | 2014-06-18 | 北京中科腾越科技发展有限公司 | Switch with electric power storage function and power loss alarm function |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100873A (en) * | 2016-05-31 | 2016-11-09 | 深圳市双赢伟业科技股份有限公司 | A kind of exchanger power method for early warning and device |
| CN106100873B (en) * | 2016-05-31 | 2019-05-28 | 深圳市双赢伟业科技股份有限公司 | A kind of exchanger power method for early warning and device |
| CN109962796A (en) * | 2017-12-22 | 2019-07-02 | 北京世纪东方通讯设备有限公司 | Interchanger power fail warning method and equipment applied to railway video monitoring system |
| CN109962796B (en) * | 2017-12-22 | 2022-05-03 | 北京世纪东方智汇科技股份有限公司 | Switch power-down warning method and device applied to railway video monitoring system |
| CN111064584A (en) * | 2019-12-13 | 2020-04-24 | 京信通信系统（中国）有限公司 | Switch POE power supply abnormity recovery method and device and switch |
| CN111638715A (en) * | 2020-05-29 | 2020-09-08 | 北京海益同展信息科技有限公司 | Robot control method, robot, electronic device, and storage medium |
| CN111638715B (en) * | 2020-05-29 | 2023-09-01 | 京东科技信息技术有限公司 | Robot control method, robot, electronic device, and storage medium |
| CN112255563A (en) * | 2020-10-20 | 2021-01-22 | 广州极飞科技有限公司 | Uninterruptible power supply testing method, device, system, equipment and storage medium |
| CN112255563B (en) * | 2020-10-20 | 2024-04-12 | 广州极飞科技股份有限公司 | Uninterruptible power supply test method, device, system, equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105044514B (en) | 2018-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105044514A (en) | Switch power supply state monitoring system | |
| CN107069953B (en) | Monitoring system based on power bus information | |
| CN204029102U (en) | A kind of electrical fire monitoring device based on modified two lines bus | |
| CN204903645U (en) | Household electrical appliances consumption monitoring and early warning device | |
| CN104215825A (en) | Comprehensive online monitoring system for power transformer | |
| CN203081508U (en) | Safety monitoring system for coal mine | |
| CN203301197U (en) | Extensible lithium-ion battery pack module and back-up power system | |
| CN205609000U (en) | Uninterruptible power supply system | |
| CN104505949A (en) | Mine power network monitoring and guaranteeing system | |
| CN203423539U (en) | Low-voltage power grid load and leak current integrated monitoring device | |
| CN205407350U (en) | Lithium ion battery electric power and for communication DC power supply system | |
| CN104242258A (en) | Underground coal mine override trip prevention system and method based on EtherCAT | |
| CN105489951A (en) | Battery module and distributed power system comprising same | |
| CN203798940U (en) | Wireless real-time fault monitoring system | |
| CN110829578A (en) | Remote terminal unit with power-down protection and alarm functions and using method thereof | |
| CN205210649U (en) | Be suitable for coal mine power supply monitored control system of multiple agreement integrated protection ware | |
| CN205176131U (en) | Processing display module at power consumption information collection system module terminal | |
| CN204615451U (en) | A kind of management device for rechargeable batteries | |
| CN207612081U (en) | A kind of electric inspection process robot battery extension power supply and charging unit | |
| CN204316391U (en) | Intelligent electric machine control protection system | |
| CN204216661U (en) | The uninterrupted ac power supply system of a kind of power communication machine room | |
| CN208508822U (en) | A kind of online soft starting device of motor | |
| CN103236810B (en) | Intelligent electric machine control protection system | |
| CN207801564U (en) | A kind of novel shellfish hereby intelligent double-power controller | |
| CN205992750U (en) | Two grades of hardware protection devices of lithium battery pack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |