CN101895138A - Method and system for storage battery management - Google Patents
Method and system for storage battery management Download PDFInfo
- Publication number
- CN101895138A CN101895138A CN 201010217032 CN201010217032A CN101895138A CN 101895138 A CN101895138 A CN 101895138A CN 201010217032 CN201010217032 CN 201010217032 CN 201010217032 A CN201010217032 A CN 201010217032A CN 101895138 A CN101895138 A CN 101895138A
- Authority
- CN
- China
- Prior art keywords
- batteries
- power supply
- machine room
- equipment machine
- electric power
- 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
Images
Abstract
The invention relates to a method and a system for storage battery management. The method comprises the following steps: under the condition that the storage battery in an equipment machine room is utilized to supply power for equipment in the equipment machine room, detecting whether the power supply of the electric power system of the equipment machine room is power off and detecting whether the voltage value of the storage battery is lower than a preset charging voltage threshold; and if the power supply is not power off and the voltage value of the storage battery is lower than the preset charging voltage threshold, indicating to charge the storage battery through the power supply of the electric power system. The provided method and system for the storage battery management facilitate managers to manage the power supply system of the equipment machine room, thus maximally saving the charging time of the storage battery, preventing the storage battery from being damaged because of too long charging time, and prolonging the service life of the storage battery.
Description
Technical field
The embodiment of the invention relates to communication technical field, relates in particular to a kind of batteries management method and system.
Background technology
At present, in communication network, the equipment machine room of base station is powered generally in the following way: (alternating current 220V/380V) power supply is normal when the electric power system power supply, when the region, base station does not have the thunderbolt situation, 48 volts of required (V) power supplys are provided through the power supply module for communication rectification by the electric power system power supply in the equipment machine room, and air switch is in closure state and selects the input of electric power system power supply; When having the thunderbolt situation to take place near the base station, air switch is automatic disconnection, and the equipment in this moment equipment machine room will be powered by batteries, the no thunderbolt situation that takes a turn for the better of the weather up to the region, base station, then can recover the normal power supply of electric power system power supply by the manual type air switch that closes.In above-mentioned supply power mode, owing to can not monitor the voltage status of batteries, therefore in the process that batteries is charged, can damage batteries owing to the charging interval is long, reduced the useful life of batteries.
Summary of the invention
The invention provides a kind of batteries management method and system, avoid batteries to damage, improve the useful life of batteries owing to the charging interval is long.
To achieve these goals, the invention provides a kind of batteries management method, comprising:
Under the situation that the batteries that adopts equipment machine room is powered to the equipment in the described equipment machine room, whether the electric power system power supply that detects described equipment machine room cuts off the power supply, and whether the voltage that detects described batteries is lower than default charging voltage threshold value;
If described electric power system power supply does not cut off the power supply and the voltage of described batteries is lower than default charging voltage threshold value, then indicate by described electric power system power supply described storage battery is charged.
To achieve these goals, the invention provides a kind of batteries management system, comprising: control device and management server;
Described control device, be used under the situation that the batteries that adopts equipment machine room is powered to the equipment in the described equipment machine room, whether the electric power system power supply that detects described equipment machine room cuts off the power supply, and whether the voltage that detects described batteries is lower than default charging voltage threshold value;
Described management server is used for then indicating by described electric power system power supply described storage battery being charged if described electric power system power supply does not cut off the power supply and the voltage of described batteries is lower than default charging voltage threshold value.
Batteries management method and system that the invention described above provides, whether the electric power system power supply by the checkout equipment machine room cuts off the power supply, thereby make equipment machine room power supply status as can be known, be convenient to administrative staff the electric power system of equipment machine room managed; Voltage in electric power system power cut-off and batteries is lower than default charging voltage threshold value, indication is charged to batteries by the electric power system power supply, saved the charging interval of batteries to greatest extent, avoided batteries to damage owing to the charging interval is long, thus the useful life of having improved batteries.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of an embodiment of batteries management method of the present invention;
Fig. 2 is the schematic flow sheet of another embodiment of batteries management method of the present invention;
Fig. 3 is the structural representation of batteries management system embodiment of the present invention;
Fig. 4 is the structural representation of embodiment of the invention institute applicable system framework.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Fig. 1 is the schematic flow sheet of an embodiment of batteries management method of the present invention, and as shown in Figure 1, present embodiment comprises the steps:
The batteries management method that the embodiment of the invention provides, whether the electric power system power supply by the checkout equipment machine room cuts off the power supply, thereby make equipment machine room power supply status as can be known, be convenient to administrative staff the electric power system of equipment machine room managed; Do not cut off the power supply and the voltage of batteries is lower than default charging voltage threshold value at the electric power system power supply, indication is charged to batteries by the electric power system power supply, saved the charging interval of batteries to greatest extent, and avoid batteries to damage, thereby improved the useful life of batteries owing to the charging interval is long.
Fig. 2 is the schematic flow sheet of another embodiment of batteries management method of the present invention, and as shown in Figure 2, present embodiment comprises the steps:
Step 201, under the situation that the batteries that adopts equipment machine room is powered to the equipment in the equipment machine room, whether the electric power system power supply of checkout equipment machine room cuts off the power supply, and whether the voltage that detects batteries is lower than default charging voltage threshold value;
Wherein, the electric power system power supply is specifically as follows alternating current 220V/380V; Whether the electric power system power supply by the checkout equipment machine room cuts off the power supply, make administrative staff can know the state of the power-supply system in the equipment machine room, the state of the power-supply system in the present embodiment is divided into: two kinds of power supply of electric power system power supply and batteries power supplies, for example: if the not outage of the electric power system power supply of equipment machine room, then be in normal operating conditions for the equipment in the equipment machine room that makes, then need the batteries in the equipment machine room that the equipment in this equipment machine room is powered, this moment, administrative staff can know that the state of the power-supply system in this equipment machine room is the batteries power supply; Whether be lower than default charging voltage threshold value by the voltage that detects batteries, have only when the voltage of batteries is lower than this default charging voltage threshold value and just batteries is charged, therefore avoided when the voltage of batteries is higher than this default charging voltage threshold value, this batteries being charged.Therefore avoided batteries to be in charged state for a long time, thus the protection batteries.
Step 202, if the electric power system power supply does not cut off the power supply and the voltage of batteries is lower than default charging voltage threshold value, then indicate by the electric power system power supply storage battery charged;
Step 203, obtaining batteries can be to the power supply duration of the equipment in this equipment machine room, and adds up the outage duration of this electric power system power supply in the setting-up time section;
Wherein, batteries can obtain by the battery capacity of batteries self and the power budget of the equipment in the equipment machine room the power supply duration of the equipment in the equipment machine room, equipment machine room can obtain according to this equipment machine room is carried out long-time statistical at the outage duration of setting in the period, for example: setting-up time Duan Weiyi month, then each month adds up the power-off time of this equipment machine room, can obtain the outage duration of the equipment machine room in this month; Further, this setting period can also be a season, and sets the period and can set according to the management to equipment machine room in the reality, is not limited in one month or a season.
Step 204, adjust the battery capacity of this batteries according to this power supply duration and outage duration.
Wherein, can be analyzed, obtain the battery capacity of batteries by data with batteries and original batteries; By adjusting the battery capacity of this batteries, avoided batteries is carried out surcharge, thereby protected batteries.
The batteries management method that the embodiment of the invention provides, whether the electric power system power supply by the checkout equipment machine room cuts off the power supply, thereby make equipment machine room power supply status as can be known, be convenient to administrative staff the electric power system of equipment machine room managed; Do not cut off the power supply and the voltage of batteries is lower than default charging voltage threshold value at the electric power system power supply, indication is charged to batteries by the electric power system power supply, saved the charging interval of batteries to greatest extent, avoid batteries to damage owing to the charging interval is long, thus the useful life of having improved batteries.
Further, on above-mentioned basis embodiment illustrated in fig. 2, can also comprise the steps:
Whether detection is arranged on automatic closing device in the described equipment machine room and that be connected with described electric power system power supply and disconnects;
If described automatic closing device disconnects, start the batteries in the described equipment machine room, described batteries is powered to the equipment in the equipment machine room.
By starting the batteries in the described equipment machine room, guarantee that the equipment in the equipment machine room still can operate as normal under the situation that the electric power system power supply breaks down.
Further, on above-mentioned basis embodiment illustrated in fig. 2, can also comprise the steps:
Operating voltage when obtaining described batteries and being in power supply state;
If the operating voltage of described batteries is lower than default charging voltage threshold value, signal then gives the alarm.
By the signal that gives the alarm, be convenient to personnel monitoring, maintenance or change batteries, guarantee that batteries can normal power supply under the state of emergency.
Further, on above-mentioned basis embodiment illustrated in fig. 2, can also comprise the steps:
Batteries to described equipment machine room is set up diagnostic model, and described diagnostic model is used for according to the charging current of monomer voltage, battery voltage, operating ambient temperature, humidity and the described batteries of the described batteries that gets access to or discharging current, described charging voltage threshold value described batteries being assessed.
By batteries is set up diagnostic model, thus the performance of whole and each monomer that can the analysis and judgement batteries, for the electric generation management of equipment machine room provides the data foundation.
Fig. 3 is the structural representation of batteries management system embodiment of the present invention, and as shown in Figure 3, present embodiment comprises: control device 31, management server 32;
Wherein, control device 31 is under the situation that the batteries that adopts equipment machine room is powered to the equipment in the described equipment machine room, whether the electric power system power supply that detects described equipment machine room cuts off the power supply, and whether the voltage that detects described batteries is lower than default charging voltage threshold value; If the voltage of described electric power system power cut-off and described batteries is lower than default charging voltage threshold value, then management server 32 indications are charged to described storage battery by described electric power system power supply.
The batteries management system that the embodiment of the invention provides, whether the electric power system power supply by control device 31 checkout equipment machine rooms cuts off the power supply, thereby make equipment machine room power supply status as can be known, be convenient to administrative staff the electric power system of equipment machine room managed; Voltage in electric power system power cut-off and batteries is lower than default charging voltage threshold value, management server 32 indications are charged to batteries by the electric power system power supply, saved the charging interval of batteries to greatest extent, thereby avoid batteries to damage, thereby the useful life of having improved batteries owing to the charging interval is long.
Further, on above-mentioned basis embodiment illustrated in fig. 3, management server 31 also is used for:
Obtaining described batteries can be to the power supply duration of the equipment in the described equipment machine room, and adds up described equipment machine room at the outage duration of setting in the period;
Adjust the battery capacity of described batteries according to described power supply duration and described outage duration.
Further, on above-mentioned basis embodiment illustrated in fig. 3, whether control device 31 also is used to detect and is arranged on automatic closing device in the described equipment machine room and that be connected with described electric power system power supply and disconnects; If described automatic closing device disconnects, start the batteries in the described equipment machine room, described batteries is powered to the equipment in the equipment machine room.
Further, on above-mentioned basis embodiment illustrated in fig. 3, the operating voltage when control device also is used to obtain described batteries and is in power supply state; If the operating voltage of described batteries is lower than default charging voltage threshold value, signal then gives the alarm; By the signal that gives the alarm, be convenient to personnel monitoring, maintenance or change batteries, guarantee that batteries can normal power supply under the state of emergency.
Further, on above-mentioned basis embodiment illustrated in fig. 3, management server also is used for the batteries of described equipment machine room is set up diagnostic model, and described diagnostic model is used for according to the charging current of monomer voltage, battery voltage, operating ambient temperature, humidity and the described batteries of the described batteries that gets access to or discharging current, described charging voltage threshold value described batteries being assessed; By batteries is set up diagnostic model, thus the performance of whole and each monomer that can the analysis and judgement batteries, for the electric generation management of equipment machine room provides the data foundation.
Yes be appreciated that the method flow of present embodiment can realize that the specific implementation process of each functional module can repeat no more with reference to the associated description in the foregoing description herein by each functional module among the above-mentioned batteries management system embodiment.
Fig. 4 is the structural representation of embodiment of the invention institute applicable system framework, as shown in Figure 4, present embodiment comprises: be arranged on the management server 41 of transformer station's centralized-control center, be arranged on field terminal unit (Field Supervision Unit, abbreviation: FSU) 42 in each equipment machine room; Wherein, management server 41 can be connected by network by the open port agreement with field terminal unit 42, and management server 41 is monitored with the batteries that field terminal unit 42 is connected each; Wherein, management server 41 specifically can be realized the function of above-mentioned management server in embodiment illustrated in fig. 3, and field terminal unit 42 specifically can be realized the function of above-mentioned control device in embodiment illustrated in fig. 3, does not repeat them here.The monitoring of the batteries by the equipment machine room under 41 pairs of these transformer station's centralized-control centers of management server, realized unified centralized management to the batteries of each equipment machine room, avoid staff's intervention, thereby realized the unattended operation that equipment machine room is real.
In addition, the embodiment of the invention is only with four equipment machine rooms of a management server 41 controls, each equipment machine room is provided with a field terminal unit 42 and carries out exemplary illustration for example, the number of field terminal unit 42 is not limited in four, can determine the number of field terminal unit 42 according to equipment machine room number concrete under transformer station's centralized-control center.
One of ordinary skill in the art will appreciate that: all or part of step that realizes the foregoing description can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a batteries management method is characterized in that, comprising:
Under the situation that the batteries that adopts equipment machine room is powered to the equipment in the described equipment machine room, whether the electric power system power supply that detects described equipment machine room cuts off the power supply, and whether the voltage that detects described batteries is lower than default charging voltage threshold value;
If described electric power system power supply does not cut off the power supply and the voltage of described batteries is lower than default charging voltage threshold value, then indicate by described electric power system power supply described storage battery is charged.
2. batteries management method according to claim 1 is characterized in that, also comprises:
Obtaining described batteries can be to the power supply duration of the equipment in the described equipment machine room, and adds up described electric power system power supply at the outage duration of setting in the period;
Adjust the battery capacity of described batteries according to described power supply duration and described outage duration.
3. batteries management method according to claim 1 is characterized in that, also comprises:
Whether detection is arranged on automatic closing device in the described equipment machine room and that be connected with described electric power system power supply and disconnects;
If described automatic closing device disconnects, start the batteries in the described equipment machine room, described batteries is powered to the equipment in the equipment machine room.
4. batteries management method according to claim 1 is characterized in that, also comprises:
Operating voltage when obtaining described batteries and being in power supply state;
If the operating voltage of described batteries is lower than default charging voltage threshold value, signal then gives the alarm.
5. according to the arbitrary described batteries management method of claim 1～4, it is characterized in that, also comprise: the batteries to described equipment machine room is set up diagnostic model, and described diagnostic model is used for according to the charging current of monomer voltage, battery voltage, operating ambient temperature, humidity and the described batteries of the described batteries that gets access to or discharging current, described charging voltage threshold value described batteries being assessed.
6. a batteries management system is characterized in that, comprising: control device and management server;
Described control device, be used under the situation that the batteries that adopts equipment machine room is powered to the equipment in the described equipment machine room, whether the electric power system power supply that detects described equipment machine room cuts off the power supply, and whether the voltage that detects described batteries is lower than default charging voltage threshold value;
Described management server is used for then indicating by described electric power system power supply described storage battery being charged if the voltage of described electric power system power cut-off and described batteries is lower than default charging voltage threshold value.
7. batteries management system according to claim 6 is characterized in that, described management server also is used for:
Obtaining described batteries can be to the power supply duration of the equipment in the described equipment machine room, and adds up described electric power system power supply at the outage duration of setting in the period;
Adjust the battery capacity of described batteries according to described power supply duration and described outage duration.
8. batteries management system according to claim 6 is characterized in that, whether described control device also is used to detect and is arranged on automatic closing device in the described equipment machine room and that be connected with described electric power system power supply and disconnects; If described automatic closing device disconnects, start the batteries in the described equipment machine room, described batteries is powered to the equipment in the equipment machine room.
9. batteries management system according to claim 6 is characterized in that, the operating voltage when described control device also is used to obtain described batteries and is in power supply state; If the operating voltage of described batteries is lower than default charging voltage threshold value, signal then gives the alarm.
10. according to the arbitrary described batteries management system of claim 6～10, it is characterized in that, described management server also is used for the batteries of described equipment machine room is set up diagnostic model, and described diagnostic model is used for according to the charging current of monomer voltage, battery voltage, operating ambient temperature, humidity and the described batteries of the described batteries that gets access to or discharging current, described charging voltage threshold value described batteries being assessed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010217032 CN101895138B (en) | 2010-07-05 | 2010-07-05 | Method and system for storage battery management |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010217032 CN101895138B (en) | 2010-07-05 | 2010-07-05 | Method and system for storage battery management |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101895138A true CN101895138A (en) | 2010-11-24 |
| CN101895138B CN101895138B (en) | 2013-01-16 |
Family
ID=43104247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010217032 Expired - Fee Related CN101895138B (en) | 2010-07-05 | 2010-07-05 | Method and system for storage battery management |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101895138B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104081216A (en) * | 2012-11-30 | 2014-10-01 | 株式会社Lg化学 | Apparatus and method for managing use environment and use history of battery |
| CN105871055A (en) * | 2016-05-23 | 2016-08-17 | 国网山东省电力公司莱阳市供电公司 | Method and system for managing storage batteries in master station of electric power system |
| 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 |
| CN104081216B (en) * | 2012-11-30 | 2016-11-30 | 株式会社Lg化学 | Battery management unit and method |
| CN106992586A (en) * | 2012-10-31 | 2017-07-28 | 松下知识产权经营株式会社 | The control method of distributor cap and distributor cap |
| CN109450013A (en) * | 2018-10-22 | 2019-03-08 | 中国联合网络通信集团有限公司 | A kind of management method and device of base station battery |
| CN109581239A (en) * | 2018-11-26 | 2019-04-05 | 漳州市华威电源科技有限公司 | A kind of accumulator management device and monitoring system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2425384Y (en) * | 2000-06-15 | 2001-03-28 | 林厚波 | Microcomputer controlled computer built-in integrated uninterruption power source |
| CN1527434A (en) * | 2003-03-08 | 2004-09-08 | 中兴通讯股份有限公司 | Cell charging controller and charging method for UPS |
| CN2641894Y (en) * | 2003-09-02 | 2004-09-15 | 广州三业科技有限公司 | UPS equipment |
-
2010
- 2010-07-05 CN CN 201010217032 patent/CN101895138B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2425384Y (en) * | 2000-06-15 | 2001-03-28 | 林厚波 | Microcomputer controlled computer built-in integrated uninterruption power source |
| CN1527434A (en) * | 2003-03-08 | 2004-09-08 | 中兴通讯股份有限公司 | Cell charging controller and charging method for UPS |
| CN2641894Y (en) * | 2003-09-02 | 2004-09-15 | 广州三业科技有限公司 | UPS equipment |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992586A (en) * | 2012-10-31 | 2017-07-28 | 松下知识产权经营株式会社 | The control method of distributor cap and distributor cap |
| CN106992586B (en) * | 2012-10-31 | 2020-05-22 | 松下知识产权经营株式会社 | Distributor and control method thereof |
| CN104081216A (en) * | 2012-11-30 | 2014-10-01 | 株式会社Lg化学 | Apparatus and method for managing use environment and use history of battery |
| CN104081216B (en) * | 2012-11-30 | 2016-11-30 | 株式会社Lg化学 | Battery management unit and method |
| CN105871055A (en) * | 2016-05-23 | 2016-08-17 | 国网山东省电力公司莱阳市供电公司 | Method and system for managing storage batteries in master station of electric power system |
| 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 |
| CN109450013A (en) * | 2018-10-22 | 2019-03-08 | 中国联合网络通信集团有限公司 | A kind of management method and device of base station battery |
| CN109581239A (en) * | 2018-11-26 | 2019-04-05 | 漳州市华威电源科技有限公司 | A kind of accumulator management device and monitoring system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101895138B (en) | 2013-01-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204928218U (en) | Lead acid battery control system and intelligent system | |
| CN101895138B (en) | Method and system for storage battery management | |
| CN104333059A (en) | Intelligent maintenance system and method for communication base station standby power supply | |
| CN104463411A (en) | Operating state monitoring device and method for respirators | |
| CN111367209A (en) | Internet of things intelligent safety power utilization management system | |
| CN115514064B (en) | Battery management system for lithium battery power supply system | |
| CN112448477A (en) | Intelligent monitoring power distribution control system based on Internet of things | |
| CN204928219U (en) | Lead acid battery system and intelligent system | |
| CN110611353A (en) | Charging control method and device of intelligent door lock and intelligent door lock | |
| CN102905351A (en) | Base station and energy saving method thereof | |
| CN109412819A (en) | Method and device for warning device power down | |
| CN110112794A (en) | The distant prison terminal of battery cell monitoring method, apparatus, elevator, system and storage medium | |
| CN106374545B (en) | A kind of lead-acid accumulator control system and intelligence system | |
| CN111061200A (en) | Power environment monitoring device with storage battery management | |
| CN214273913U (en) | Air compressor machine monitoring system and air compressor machine that can remote monitoring | |
| CN108631438A (en) | A kind of intelligent power control method and its intelligent power, cloud computing center based on cloud computing | |
| CN114726022A (en) | Lithium battery circuit, device and method for simulating dry battery discharge | |
| CN109188041B (en) | Intelligent electric meter with electricity utilization control function | |
| CN207283574U (en) | A kind of intelligence power ＆ environment supervision system | |
| CN112880746A (en) | Water supply system monitoring system and method for transformer substation and office place | |
| CN202856435U (en) | Base station uninterrupted battery self-recue and monitoring system | |
| CN218996821U (en) | Battery core capacity system | |
| CN206618079U (en) | A kind of energy-saving fresh air component and system | |
| CN204129772U (en) | Lung ventilator device for monitoring running state | |
| CN115942155B (en) | Equipment monitoring method, device and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20160705 |