CN108336719A - Accumulator automatic control device and system - Google Patents

Accumulator automatic control device and system Download PDF

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Publication number
CN108336719A
CN108336719A CN201810425736.1A CN201810425736A CN108336719A CN 108336719 A CN108336719 A CN 108336719A CN 201810425736 A CN201810425736 A CN 201810425736A CN 108336719 A CN108336719 A CN 108336719A
Authority
CN
China
Prior art keywords
accumulator
voltage
controller
automatic control
control device
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.)
Pending
Application number
CN201810425736.1A
Other languages
Chinese (zh)
Inventor
刘惠玲
范平涛
冯颖君
黄耀亮
冯世伟
杨勇
梁润宇
黄昊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Power Grid Co Ltd
Qingyuan Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
Guangdong Power Grid Co Ltd
Qingyuan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Power Grid Co Ltd, Qingyuan Power Supply Bureau of Guangdong Power Grid Co Ltd filed Critical Guangdong Power Grid Co Ltd
Priority to CN201810425736.1A priority Critical patent/CN108336719A/en
Publication of CN108336719A publication Critical patent/CN108336719A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/18Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02Details
    • H02H3/04Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/24Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to undervoltage or no-voltage

Landscapes

  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The present invention provides a kind of accumulator automatic control device and system, is related to technical field of battery control, wherein accumulator automatic control device includes:Voltage detecting circuit, controller and D.C. contactor;Wherein, voltage detecting circuit respectively in direct current screen system battery and controller connect;Controller is connect with D.C. contactor;Voltage detecting circuit detects the information of voltage of accumulator, and information of voltage is sent to controller;Controller is according to information of voltage, when judging that information of voltage is less than default low voltage threshold, control D.C. contactor action, so that accumulator stops being DC bus powered.The present invention can automatically control accumulator and be detached from DC bus, to avoid caused by accumulator transient discharge the problems such as the lost of life, inefficiency when detecting that accumulator pressure drop is less than predetermined threshold value.

Description

Accumulator automatic control device and system
Technical field
The present invention relates to technical field of battery control, more particularly, to a kind of accumulator automatic control device and system.
Background technology
Direct current screen system is the sole source of control in high tension substation station, protection, monitoring and operating breaker etc., including Rectification module and accumulator group.Currently, the powering mode in high tension substation is:It is normal in AC system power supply, Rectification module exports direct current by device in straight-flow system supply station, while exporting direct current to battery charging;When exchange is When system power supply stops, direct current is exported by accumulator group and is device power supply in station by straight-flow system, to protect in a short time The electricity consumption of device in card station, it is ensured that the normal work of device in standing.
Traditional direct current screen system does not have the ability for notifying operation maintenance personnel, that is, powers and stops when AC system When, operation maintenance personnel cannot obtain message in time.Therefore, when AC system for a long time do not restore electricity, be easy to cause electric power storage The transient discharge of pond group shortens its service life and even damages, leads to economic loss, the service efficiency of accumulator group is low, and right There are certain hidden danger for distribution network system.
Invention content
In view of this, the purpose of the present invention is to provide a kind of accumulator automatic control device and system, can detect When being less than predetermined threshold value to accumulator pressure drop, automatically controls accumulator and be detached from DC bus, to avoid accumulator transient discharge The problems such as caused lost of life, inefficiency.
In a first aspect, an embodiment of the present invention provides a kind of accumulator automatic control devices, including:Voltage detecting circuit, Controller and D.C. contactor;
Voltage detecting circuit respectively in direct current screen system battery and controller connect;
Controller is connect with D.C. contactor;
Voltage detecting circuit detects the information of voltage of accumulator, and information of voltage is sent to controller;
Controller is according to information of voltage, and when judging that information of voltage is less than default low voltage threshold, control D.C. contactor is dynamic Make, so that accumulator stops being DC bus powered.
With reference to first aspect, an embodiment of the present invention provides the first possible embodiments of first aspect, wherein also Including:DC charging motor;
Accumulator is connect with DC charging motor;
Automatically detection judges that output voltage is higher than default high voltage threshold to DC charging motor to the output voltage of accumulator When, the connection with accumulator is disconnected, is stopped to charge the battery.
With reference to first aspect, an embodiment of the present invention provides second of possible embodiments of first aspect, wherein straight Flowing contactor includes:BC98-Z63210Z4DC220V type D.C. contactors.
With reference to first aspect, an embodiment of the present invention provides the third possible embodiments of first aspect, wherein also Including:Warning device;
Warning device is connect with controller;
Controller is according to information of voltage, and when judging that information of voltage is less than default low voltage threshold, control warning device carries out Alarm.
With reference to first aspect, an embodiment of the present invention provides the 4th kind of possible embodiments of first aspect, wherein report Alarm device includes at least one of visual alarm, voice guard, voice announcer.
With reference to first aspect, an embodiment of the present invention provides the 5th kind of possible embodiments of first aspect, wherein also Including:Display device;
Display device is connect with controller;
Controller controls the information of voltage that display device acquires voltage detecting circuit and carries out real-time display.
With reference to first aspect, an embodiment of the present invention provides the 6th kind of possible embodiments of first aspect, wherein also Including:Wireless communication module;
Wireless communication module is connect with controller;
Module carries out data transmission controller with intelligent terminal by radio communication.
With reference to first aspect, an embodiment of the present invention provides the 7th kind of possible embodiments of first aspect, wherein nothing Line communication module includes:Ethernet RJ45 modules, WIFI module, NB-IOT modules, 3G/4G modules, GPRS module, CDMA module At least one of.
With reference to first aspect, an embodiment of the present invention provides the 8th kind of possible embodiments of first aspect, wherein also Including:Shell;
Voltage detecting circuit, controller and D.C. contactor are placed in shell;
Shell is in cuboid, is installed in direct-current cabinet.
Second aspect, the present invention also provides a kind of accumulator automatic control system, including intelligent terminal and one or Multiple accumulator automatic control devices as described in relation to the first aspect;
Accumulator automatic control device is communicated to connect with intelligent terminal.
The embodiment of the present invention brings following advantageous effect:
In accumulator automatic control device provided in an embodiment of the present invention, including voltage detecting circuit, controller and direct current Contactor;Wherein, voltage detecting circuit respectively in direct current screen system battery and controller connect;Controller connects with direct current Tentaculum connects;Voltage detecting circuit detects the information of voltage of accumulator, and information of voltage is sent to controller;Controller according to Information of voltage, when judging that information of voltage is less than default low voltage threshold, control D.C. contactor action, so that accumulator stopping is It is DC bus powered.The present invention can automatically control accumulator and be detached from directly when detecting that accumulator pressure drop is less than predetermined threshold value Busbar is flowed, to avoid caused by accumulator transient discharge the problems such as the lost of life, inefficiency.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification It obtains it is clear that understand through the implementation of the invention.The purpose of the present invention and other advantages are in specification, claims And specifically noted structure is realized and is obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate Appended attached drawing, is described in detail below.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of structural schematic diagram for accumulator automatic control device that the embodiment of the present invention one provides;
Fig. 2 is a kind of structural schematic diagram of accumulator automatic control device provided by Embodiment 2 of the present invention;
Fig. 3 is a kind of structural schematic diagram for accumulator automatic control device that the embodiment of the present invention three provides;
Fig. 4 is a kind of structural schematic diagram for accumulator automatic control system that the embodiment of the present invention four provides.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
Currently, in existing traditional direct current screen system, when AC system long-time failure does not restore electricity, it is easy to lead The transient discharge for causing accumulator group, leads to its lost of life, service efficiency is low, or even can be caused to distribution network system certain Security risk.
Based on this, an embodiment of the present invention provides a kind of accumulator automatic control device and systems, can be stored detecting When battery pressure drop is less than predetermined threshold value, automatically controls accumulator and be detached from DC bus, cause to avoid accumulator transient discharge The lost of life, inefficiency the problems such as.
For ease of understanding the present embodiment, a kind of accumulator disclosed in the embodiment of the present invention is automatically controlled first Device describes in detail.
Embodiment one:
Shown in Figure 1 an embodiment of the present invention provides a kind of accumulator automatic control device, which includes:Voltage Detection circuit 11, controller 12 and D.C. contactor 14.
Wherein, voltage detecting circuit 11 respectively in direct current screen system battery and controller 12 connect;Controller 12 It is connect with D.C. contactor 14;Voltage detecting circuit 11 detects the information of voltage of accumulator 13, and information of voltage is sent to control Device 12 processed;Controller 12 is according to information of voltage, when judging that information of voltage is less than default low voltage threshold, controls D.C. contactor 14 Action, so that accumulator 13 stops being that DC bus 15 is powered.
Above-mentioned voltage detecting circuit 11 is connect with the accumulator 13 in direct-current cabinet, can detect 13 voltage of accumulator in real time Information, and by the information of voltage timely feedback to controller 12, the controller 12 and voltage detecting circuit 11 can be independent Two devices of separation can also be collecting voltage detection and signal arbitration functions in the chip of one, when controller 12 receives When 13 information of voltage of accumulator that voltage detecting circuit 11 is detected, according to the information of voltage, judge whether it is low less than default Voltage threshold inputs a voltage if it is, sending a cut-off signal to D.C. contactor 14 to D.C. contactor 14 Value, makes its action, to stop being that DC bus 15 is powered.
Above-mentioned D.C. contactor 14 includes:BC98-Z63210Z4DC220V types D.C. contactor 14.Concrete operating principle For:After contactor coil is powered, coil current generates magnetic field, so that fixed core is generated electromagnetic attraction and attracts dynamic iron core, and drives Contact acts:Normally-closed contact disconnects, and normally opened contact is closed, and the two is linkage.When the coil is de-energized, electromagnetic attraction disappears, rank Iron discharges under the action of release spring, and contact is made to restore:Normally opened contact disconnects, and normally-closed contact is closed.By controller 12 to Either disconnection or company between D.C. contactor 14 and DC bus 15 are realized in power-off to the coil power supply of D.C. contactor 14 It connects, to realize the protection to accumulator 13, to prevent its transition power consumption.
13 automatic control device of accumulator that the embodiment of the present invention is provided is a kind of suitable for 10kV distribution DC systems For the abnormal device for carrying out 13 automatic switching of accumulator of DC bus 15.When DC charging motor exports because exchanging dead electricity, mould When any factor exception such as block failure, controller 12 can cut off contacting for accumulator 13 and DC bus 15 in time, play guarantor The effect for protecting accumulator 13, when staff to scene confirms can be with switching accumulator 13 when, manual mode may be used, allow storage Battery 13 undertakes the load of DC bus 15, and direct-flow electricity utilization apparatus can work normally.
13 automatic control device of accumulator that the embodiment of the present invention is provided can be less than detecting 13 pressure drop of accumulator When predetermined threshold value, automatically controls accumulator 13 and be detached from DC bus 15, to avoid the service life caused by 13 transient discharge of accumulator The problems such as shortening, inefficiency.
Embodiment two:
An embodiment of the present invention provides a kind of 23 automatic control devices of accumulator, and shown in Figure 2, the device is in addition to including Outside voltage detecting circuit 21, controller 22 and D.C. contactor 24 described in embodiment one, further include:Further include:DC charging Machine 26;Accumulator 23 is connect with DC charging motor 26;Automatically detection judges the output voltage of accumulator 23 to DC charging motor 26 When output voltage is higher than default high voltage threshold, the connection with accumulator 23 is disconnected, stops charging for accumulator 23.
It is automatic to disconnect and electric power storage specifically, when overpressure situation occurs in DC charging motor 26, such as when more than 260V The connection in pond 23 realizes the overvoltage protection to accumulator 23 to protect accumulator 23 not damaged because overcharging.
It is shown in Figure 2, further include in 23 automatic control device of above-mentioned accumulator:Warning device 27, display device 28.Report Alarm device 27 is connect with controller 22;Controller 22 is according to information of voltage, when judging that information of voltage is less than default low voltage threshold, Control warning device 27 is alarmed.Display device 28 is connect with controller 22;Controller 22 controls display device 28 to voltage The information of voltage that detection circuit 21 is acquired carries out real-time display.
Above-mentioned warning device 27 includes at least one of visual alarm, voice guard, voice announcer.Above-mentioned display Device 28 includes LCD display or OLED display screen.The display device 28 can be set to outside direct-current cabinet, aobvious to realize Show 23 information of voltage of current accumulator, is referred to for staff.
23 automatic control device of accumulator that the embodiment of the present invention is provided can be less than detecting 23 pressure drop of accumulator When predetermined threshold value, automatically controls accumulator 23 and be detached from DC bus 25, to avoid the service life caused by 23 transient discharge of accumulator Shorten, inefficiency the problems such as, can also be carried out by warning device 27 and alarm, be arranged with reminding staff to take in time It applies.
Embodiment three:
Shown in Figure 3 an embodiment of the present invention provides a kind of accumulator automatic control device, the device is in addition to including reality It applies voltage detecting circuit 31, controller 32 and D.C. contactor 34 described in example two, DC charging motor 36, warning device 37, show Outside showing device 38, further include:Wireless communication module 39;Wireless communication module 39 is connect with controller 32;Controller 32 passes through nothing Line communication module carries out data transmission with intelligent terminal.
By above-mentioned wireless communication module, the information of voltage of accumulator 33 can be sent to monitoring center or work in real time Make the mobile phone terminal of personnel, so that staff is according to the alarm on the alarm or mobile phone of monitoring center, in time Take corresponding measure, to scene confirm can be with switching accumulator 33 when, using manual mode, accumulator 33 is allowed to undertake DC bus 35 load.
Above-mentioned wireless communication module includes:Ethernet RJ45 modules, WIFI module, NB-IOT modules, 3G/4G modules, At least one of GPRS module, CDMA module.
In addition, 33 automatic control device of above-mentioned accumulator further includes:Shell.Voltage detecting circuit, controller 32 and direct current Contactor is placed in shell;Shell is in cuboid, is installed in direct-current cabinet.
33 automatic control device of accumulator that the present embodiment is provided, when 33 automatic control device of accumulator detects electric power storage When 33 pressure drop of pond is less than predetermined threshold value, automatically controls accumulator 33 and be detached from DC bus 35, to avoid 33 transient discharge of accumulator Caused by the lost of life, inefficiency the problems such as, and then by the wireless communication module in 33 automatic control device of accumulator, Information of voltage or warning message are sent to the intelligent terminal of staff, with progress and alarm.
Example IV:
It is shown in Figure 4 the present invention also provides a kind of accumulator automatic control system, the system include intelligent terminal 41 with And one or more is such as embodiment one either embodiment two or the accumulator automatic control device 42 as described in embodiment three.
Accumulator automatic control device 42 is communicated to connect with intelligent terminal 41.
In accumulator automatic control system provided by the present invention, when accumulator automatic control device 42 detects accumulator When pressure drop is less than predetermined threshold value, automatically controls accumulator and be detached from DC bus, to avoid the longevity caused by accumulator transient discharge The problems such as life shortening, inefficiency, and then be sent to information of voltage or warning message by accumulator automatic control device The intelligent terminal 41 of staff, with progress and alarm.Above-mentioned intelligent terminal 41 includes smart mobile phone, iPad etc..
The accumulator automatic control system that the embodiment of the present invention is provided contains any in embodiment one to embodiment three A accumulator automatic control device, equally may be implemented above-mentioned function, details are not described herein.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can Can also be electrical connection to be mechanical connection;It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation, With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ", " third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In several embodiments provided herein, it should be understood that disclosed system, device can pass through it Its mode is realized.The apparatus embodiments described above are merely exemplary, for example, the division of the unit, only A kind of division of logic function, formula that in actual implementation, there may be another division manner, in another example, multiple units or component can combine Or it is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed phase Coupling, direct-coupling or communication connection between mutually can be by some communication interfaces, the INDIRECT COUPLING of device or unit or Communication connection can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme 's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product It is stored in the executable non-volatile computer read/write memory medium of a processor.Based on this understanding, of the invention Technical solution substantially the part of the part that contributes to existing technology or the technical solution can be with software in other words The form of product embodies, which is stored in a storage medium, including some instructions use so that One computer equipment (can be personal computer, server or the network equipment etc.) executes each embodiment institute of the present invention State all or part of step of method.And storage medium above-mentioned includes:USB flash disk, mobile hard disk, read-only memory (ROM, Read- Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with Store the medium of program code.
Finally it should be noted that:Embodiment described above, only specific implementation mode of the invention, to illustrate the present invention Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair It is bright to be described in detail, it will be understood by those of ordinary skill in the art that:Any one skilled in the art In the technical scope disclosed by the present invention, it can still modify to the technical solution recorded in previous embodiment or can be light It is readily conceivable that variation or equivalent replacement of some of the technical features;And these modifications, variation or replacement, do not make The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover the protection in the present invention Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. a kind of accumulator automatic control device, which is characterized in that including:Voltage detecting circuit, controller and D.C. contactor;
The voltage detecting circuit respectively in direct current screen system battery and the controller connect;
The controller is connect with the D.C. contactor;
The voltage detecting circuit detects the information of voltage of the accumulator, and the information of voltage is sent to the control Device;
The controller is according to the information of voltage, when judging that the information of voltage is less than default low voltage threshold, described in control D.C. contactor acts, so that the accumulator stops being DC bus powered.
2. accumulator automatic control device according to claim 1, which is characterized in that further include:DC charging motor;
The accumulator is connect with the DC charging motor;
Automatically detection judges the output voltage higher than default high electricity the output voltage of the accumulator to the DC charging motor When pressing threshold value, the connection with the accumulator is disconnected, stops charging for the accumulator.
3. accumulator automatic control device according to claim 1, which is characterized in that the D.C. contactor includes: BC98-Z63210Z4DC220V type D.C. contactors.
4. accumulator automatic control device according to claim 1, which is characterized in that further include:Warning device;
The warning device is connect with the controller;
The controller is according to the information of voltage, when judging that the information of voltage is less than default low voltage threshold, described in control Warning device is alarmed.
5. accumulator automatic control device according to claim 4, which is characterized in that the warning device includes light report At least one of alert device, voice guard, voice announcer.
6. accumulator automatic control device according to claim 1, which is characterized in that further include:Display device;
The display device is connect with the controller;
The controller controls the information of voltage that the display device acquires the voltage detecting circuit and carries out real-time display.
7. accumulator automatic control device according to claim 1, which is characterized in that further include:Wireless communication module;
The wireless communication module is connect with the controller;
The controller is carried out data transmission by the wireless communication module with intelligent terminal.
8. accumulator automatic control device according to claim 7, which is characterized in that the wireless communication module includes: At least one of Ethernet RJ45 modules, WIFI module, NB-IOT modules, 3G/4G modules, GPRS module, CDMA module.
9. according to claim 1-8 any one of them accumulator automatic control devices, which is characterized in that further include:Shell;
The voltage detecting circuit, the controller and the D.C. contactor are placed in the shell;
The shell is in cuboid, is installed in direct-current cabinet.
10. a kind of accumulator automatic control system, which is characterized in that including intelligent terminal and one or more want such as right Seek 1 to 9 any one of them accumulator automatic control device;
The accumulator automatic control device is communicated to connect with the intelligent terminal.
CN201810425736.1A 2018-05-03 2018-05-03 Accumulator automatic control device and system Pending CN108336719A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810425736.1A CN108336719A (en) 2018-05-03 2018-05-03 Accumulator automatic control device and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810425736.1A CN108336719A (en) 2018-05-03 2018-05-03 Accumulator automatic control device and system

Publications (1)

Publication Number Publication Date
CN108336719A true CN108336719A (en) 2018-07-27

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CN201810425736.1A Pending CN108336719A (en) 2018-05-03 2018-05-03 Accumulator automatic control device and system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110233487A (en) * 2019-04-30 2019-09-13 浙江芯能光伏科技股份有限公司 Photovoltaic power station direct current cabinet battery discharge control device
CN110266035A (en) * 2019-04-30 2019-09-20 浙江芯能光伏科技股份有限公司 Industrial roof photovoltaic power station direct current cabinet battery discharge control device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105048626A (en) * 2015-08-26 2015-11-11 国家电网公司 De-energizing and automatic tripping system for direct-current screen

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105048626A (en) * 2015-08-26 2015-11-11 国家电网公司 De-energizing and automatic tripping system for direct-current screen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110233487A (en) * 2019-04-30 2019-09-13 浙江芯能光伏科技股份有限公司 Photovoltaic power station direct current cabinet battery discharge control device
CN110266035A (en) * 2019-04-30 2019-09-20 浙江芯能光伏科技股份有限公司 Industrial roof photovoltaic power station direct current cabinet battery discharge control device

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Application publication date: 20180727