CN111864289A - Digital energy storage module - Google Patents
Digital energy storage module Download PDFInfo
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- CN111864289A CN111864289A CN202010839778.7A CN202010839778A CN111864289A CN 111864289 A CN111864289 A CN 111864289A CN 202010839778 A CN202010839778 A CN 202010839778A CN 111864289 A CN111864289 A CN 111864289A
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- battery
- energy storage
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/10—Batteries in stationary systems, e.g. emergency power source in plant
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention relates to a digital energy storage module, which comprises a battery management unit, a digital switching device and battery packs, wherein a plurality of battery packs are connected in series to form a battery module, the digital switching device comprises a driving board component and a power board component, the power board component is provided with an electronic switch and a butt joint female joint, the electronic switch comprises a first switch and a second switch, the driving board component is provided with a butt joint male joint and a communication interface, the digital switching device comprises a negative electrode interface, the digital energy storage module comprises a negative wiring terminal and a positive wiring terminal, the negative wiring terminal is connected with the total negative pole of the battery module, the positive wiring terminal is connected with the total positive pole of the battery module through the main circuit, the negative interface is connected with the negative wiring terminal, and the driving plate assembly is used for controlling the opening and closing of the electronic switch. The invention can bypass the fault battery module and ensure the system to continue to operate normally and efficiently.
Description
Technical Field
The invention belongs to the technical field of new energy, and particularly relates to a digital energy storage module.
Background
For a large-scale energy storage system, such as a container type energy storage power station, the topological architecture is that a plurality of traditional battery modules are connected in series to form a battery cluster, and then a plurality of battery clusters are connected in parallel to form a large-scale energy storage power station. When a certain battery module in the energy storage system breaks down, if the system needs to continue to supply power, the whole cluster of batteries where the battery module is located needs to be cut off, so that the power supply capacity of the energy storage power station is greatly weakened.
For a small cabinet type standby power supply, such as a communication base station standby power supply, a plurality of battery modules are connected in series to form a power supply system. When a certain battery module in the standby power system breaks down, the whole system is paralyzed, and the ICT equipment cannot be supplied with power.
In summary, it is desirable to provide a digital energy storage module capable of bypassing a faulty battery module and ensuring that an energy storage system continues to operate normally and efficiently.
Disclosure of Invention
The invention aims to provide a digital energy storage module which can bypass a fault battery module and ensure that an energy storage system continues to operate normally and efficiently.
The above purpose is realized by the following technical scheme: a digital energy storage module comprises a case, a battery management unit, a digital switching device and a plurality of battery packs, wherein a single battery pack is formed by connecting a plurality of battery cores in series, the battery packs are connected in series to form a battery module, the battery management unit is provided with a voltage detector and a temperature detector which are used for collecting voltage and temperature information of the battery cores, the battery management unit is provided with an external communication interface, the digital switching device comprises a driving board assembly and a power board assembly, the power board assembly is provided with an electronic switch and a butt joint female head, the electronic switch at least comprises a first switch and a second switch, the driving board assembly is provided with a butt joint male head and a communication interface, the butt joint male head and the butt joint female head are connected in a butt-plug manner to realize the electric connection of the driving board assembly and the power board assembly, and the digital switching device further comprises a negative electrode interface, the positive electrode interface and the output interface are electrically connected through the first switch to form a main circuit, the negative electrode interface and the output interface are electrically connected through the second switch to form a bypass circuit, the digital energy storage module is provided with a wiring terminal which comprises a negative wiring terminal and a positive wiring terminal, the negative terminal is connected with the total negative pole of the battery module, the positive terminal is connected with the total positive pole of the battery module through the main circuit, the positive electrode interface, the negative electrode interface and the output interface are respectively connected with a total positive electrode, a negative connecting terminal and a positive connecting terminal of the battery module, the battery management unit is in signal connection with the driving board assembly through the communication interface, the driving board assembly is used for acquiring information of the battery module and controlling the electronic switch to be opened and closed, and the battery management unit, the digital switching device and the battery module are arranged in the case.
In the application process, the driving plate assembly can acquire the cell voltage and temperature information of the battery module; under the normal condition of the battery module, the driving board assembly controls the first switch of the main circuit to be closed, the second switch of the bypass circuit is opened, current flows through the main circuit, the bypass circuit does not work, when the condition that the battery module reports faults is detected, namely, voltage and temperature information are abnormal, the driving board assembly sends out a control signal to control the first switch of the main circuit to be opened, the second switch of the bypass circuit is closed, the bypass circuit plays a role of each battery module, therefore, the faulty battery module can be bypassed, and the system is ensured to continue to operate normally and efficiently.
In practical application, the machine case is preferably a sheet metal machine case, the sheet metal machine case is a 19-inch standard machine case, the height of the sheet metal machine case is 3U, and the depth of the sheet metal machine case is less than 500 mm. The electric core is 3.2V100Ah square lithium iron phosphate aluminum shell battery, constitutes a battery package through 8P1S mode, and two battery package electricity pass through the switching copper bar and establish ties and constitute a 16P1S electromagnetism module, are fixed in on the panel beating machine case box, and the degree of depth direction is pushed down with the layering. The digital energy storage module further comprises a status indicator lamp, communication connection is arranged between the status indicator lamp and the battery management unit, the wiring terminal is used for achieving series connection between the digital energy storage module, the wiring terminal is connected in a side face mode, the battery management unit, the digital switching device, the status indicator lamp and the wiring terminal are all arranged on the front panel of the metal plate case, a grounding point and a handle used for carrying are further arranged on the front panel of the metal plate case, and the handle is a folding handle and is folded inwards.
The further technical scheme is that the case comprises a case body and a front panel, the case body and the front panel are connected into a whole, and the case body is provided with a first positioning pin for positioning and installing the battery pack and a second positioning pin for positioning and installing the front panel.
The digital switching device is arranged on the front panel, a first heat dissipation square hole for heat dissipation of the digital switching device is formed in the front panel, and second heat dissipation square holes are formed in two sides of the box body. So set up, be favorable to the holistic heat dissipation of digital energy storage module, improve its heat dispersion.
The further technical scheme is that the wiring terminal is a 2P fence type large-current wiring terminal, the total negative electrode and the negative electrode interface of the battery module are connected in parallel at the same contact of the wiring terminal, and the positive electrode interface is electrically connected with the total positive electrode of the battery module through a fuse.
The technical scheme is that the wiring terminal and the external communication interface are separated on two sides of the box body. So set up, be convenient for walk the line design, reduce the interference of power line pair communication.
The further technical scheme is that the electronic switch is composed of a mos tube, the positive electrode interface, the negative electrode interface and the output interface respectively comprise a main circuit copper bar, a bypass copper bar and an output copper bar, the surfaces of the main circuit copper bar and the bypass copper bar are tightly attached to the first switch, and the surfaces of the bypass copper bar and the output copper bar are tightly attached to the second switch. The first switch and the second switch are symmetrically arranged on the power board assembly and respectively composed of a plurality of mos tubes, and the number of the mos tubes in the power board assembly is determined according to the overcurrent capacity of a system.
According to a further technical scheme, the digital switching device further comprises a radiator, the radiator is arranged below the power board assembly, and the power board assembly, the main circuit copper bar, the bypass copper bar and the output copper bar are fastened on counter bores of the radiator through first screws respectively. Therefore, the arrangement of the radiator is beneficial to the heat dissipation of the invention and maintains the good working performance of the invention.
The further technical scheme is that the main circuit copper bar, the bypass copper bar, the output copper bar and the first screw are separated by insulating particles, and the insulating particles are arranged in a counter bore on the radiator. The arrangement ensures the safety of the invention.
The further technical scheme is that the main circuit and the bypass circuit are respectively provided with a state display lamp. By the arrangement, when the battery module works normally, the main circuit is electrified, the state display lamp of the circuit is on, when the battery module works abnormally, the bypass circuit is electrified, and the state display lamp of the circuit is on, so that the working state of the battery module and the service condition of the battery module can be clearly reflected, and the maintenance and the overhaul of workers are facilitated.
A further technical scheme is that the digital switching device still includes the casing, drive plate subassembly and power board subassembly set up in the casing, the casing is equipped with display window, the status display lamp sets up in the display window, the casing is prepared by fire-retardant plastics, display window does the recess that the casing set up, display window is equipped with the gum and moulds the piece, the gum is moulded the piece and is pasted in the recess of casing openly. Preferably, the display window can set up four state display lamps, and two lamps that are close to the main circuit copper bar are used for the main circuit state to show, and two lamps that are close to the bypass copper bar show for the bypass circuit state, and operating condition reflects more directly perceived like this, and not only shows obviously moreover, and the gum is moulded the piece and can be played the effect of protection state display lamp.
The further technical scheme is that insulating heat conducting pads are arranged between the main circuit copper bars, the bypass copper bars and the output copper bars and the radiator, and the lower surfaces of the main circuit copper bars, the bypass copper bars and the output copper bars are tightly attached to the insulating heat conducting pads. So, electronic switch is hugged closely to the upper surface of main road copper bar, bypass copper bar, output copper bar, and insulating heat conduction pad is hugged closely to the lower surface, and three copper bar not only plays electrically conductive effect, also plays the heat conduction effect simultaneously.
The further technical scheme is that the shell is fixed on two sides of the radiator through second screws.
When the battery modules are in failure, the bypass circuit is connected with each battery module, so that the failed battery modules can be bypassed, the energy storage module system can be ensured to continuously and efficiently operate, and the peak clipping and valley filling of the energy storage system or the normal and efficient operation of a communication base station backup power supply can be ensured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic diagram of internal electrical connections of a digital energy storage module according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a digital energy storage module according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a digital energy storage module according to an embodiment of the present invention, with a cover removed;
FIG. 4 is a schematic view of a front panel according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an internal structure of a digital energy storage module according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a case according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a battery module circuit switching device according to an embodiment of the present invention;
fig. 8 is an exploded view of a circuit switching device of a battery module according to an embodiment of the present invention;
fig. 9 is a cross-sectional view of a battery module circuit switching device according to an embodiment of the present invention;
fig. 10 is a schematic structural view of a power board assembly according to an embodiment of the present invention;
FIG. 11 is a schematic structural view of a drive plate assembly according to an embodiment of the present invention;
fig. 12 is a schematic structural view of a heat sink according to an embodiment of the present invention;
fig. 13 is a schematic circuit diagram of an energy storage system according to an embodiment of the present invention (operation of the digital switching device).
In the figure:
1 case 2 battery package 3 battery management unit 4 digital switching device
5 status indicator lamp 6 binding post 7 handle 8 fuse
9 first screw of 10 casing 11 drive plate subassembly 12 of switching copper bar
13 power board assembly 14 bypass copper bar 15 insulation heat conducting pad 16 radiator
17 output copper bar 18 insulating particle 19 second screw 20 main copper bar
21 battery module 22 display window 61 negative terminal 62 positive terminal
101 front panel 102 case 103 batten
206 battery module total negative pole 207 battery module total positive pole 301 to external communication interface
401 negative interface 402 output interface 403 positive interface
1011 first heat dissipation square hole 1012 grounding point 1021 first positioning pin
1022 second alignment pin 1023 second heat dissipation square hole 111 communication interface
112 butt male 131 electronic switch 1311 first switch
1312 second switch 132 abutting female head 161 counter bore
Detailed Description
The present invention will now be described in detail with reference to the drawings, which are given by way of illustration and explanation only and should not be construed to limit the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.
The embodiment of the invention is as follows, referring to fig. 1 to 4, fig. 7 to 9 and fig. 11, a digital energy storage module comprises a case 1, a battery management unit 3, a digital switching device 4 and a plurality of battery packs 2, wherein a single battery pack 2 is formed by connecting a plurality of battery cells in series, the plurality of battery packs 2 are connected in series to form a battery module 21, the battery management unit 3 is provided with a voltage detector and a temperature detector for acquiring the voltage and temperature information of the battery cells, the battery management unit 3 is provided with an external communication interface 301, the digital switching device 4 comprises a driving board assembly 11 and a power board assembly 13, the power board assembly 13 is provided with an electronic switch 131 and a butt-joint female head 132, the electronic switch 131 at least comprises a first switch 1311 and a second switch 1312, the driving board assembly 11 is provided with a butt-joint male head 112 and a communication interface 111, the butt-joint male head 112 and the butt-joint female head 132 are connected in a butt-plug-in manner to, the digital switching device 4 further includes a negative interface 401, a positive interface 403 and an output interface 402, the positive interface 403 and the output interface 402 are electrically connected through the first switch 1311 to form a main circuit, the negative interface 401 and the output interface 402 are electrically connected through the second switch 1312 to form a bypass circuit, the digital energy storage module is provided with a connection terminal 6, the connection terminal 6 includes a negative connection terminal 61 and a positive connection terminal 62, the negative connection terminal 61 is connected to the battery module total negative pole 206, the positive connection terminal 62 is connected to the battery module total positive pole 207 through the main circuit, the positive interface 403, the negative interface 401 and the output interface 402 are respectively connected to the battery module 2 total positive pole, the negative connection terminal 61 and the positive connection terminal 62, the battery management unit 3 is in signal connection with the driving board assembly 11 through the communication interface 111, the driving board assembly 11 is used for acquiring information of the battery module 21 and controlling the opening and closing of the electronic switch 131 The battery management unit 3, the digital switching device 4 and the battery module 21 are arranged in the case 1.
In the application process, as shown in fig. 1 and 13, the driving board assembly 11 may obtain the cell voltage and the temperature information of the battery module 21; under the normal condition of the battery module 21, the driving board assembly 11 controls the first switch 1311 of the main circuit to be closed, the second switch 1312 of the bypass circuit to be opened, the current flows through the main circuit, the bypass circuit does not work, when the condition that the battery module 21 reports a fault, namely, the voltage and temperature information is abnormal, the driving board assembly 11 sends a control signal to control the first switch 1311 of the main circuit to be opened, the second switch 1312 of the bypass circuit is closed, and the bypass circuit is used for each battery module 21, so that the fault battery module 21 can be bypassed, and the system can be ensured to continue to operate normally and efficiently.
In practical application, as shown in fig. 2-5, the machine case 1 is preferably a sheet metal machine case 1, the sheet metal machine case 1 is a 19-inch standard machine case 1, the height is 3U, and the depth is less than 500 mm. The electric core is a 3.2V100Ah lithium iron phosphate square aluminum shell battery, forms a battery pack 2 through the 8P1S mode, and two battery packs 2 are electrically connected in series through the switching copper bar 9 to form a 16P1S electromagnetic module, and are fixed on the box body 102 of the sheet metal case 1, and the depth direction is pressed by the pressing bar 103. The digital energy storage module further comprises a status indicator lamp 5, the status indicator lamp 5 is in communication connection with the battery management unit 3, the wiring terminal 6 is used for achieving series connection between the digital energy storage modules, the wiring terminal 6 is connected from the side face, the battery management unit 3, the digital switching device 4, the status indicator lamp 5 and the wiring terminal 6 are arranged on the front panel 101 of the metal plate case 1, the front panel 101 of the metal plate case 1 is further provided with a grounding point 1012 and a handle 7 used for being portable, and the handle 7 is a folding handle 7 and is folded inwards.
In another embodiment of the present invention, as shown in fig. 2 to 6, the chassis 1 includes a case 102 and a front panel 101, the case 102 and the front panel 101 are integrally connected, and the case 102 is provided with a first positioning pin 1021 for positioning and mounting the battery pack 2 and a second positioning pin 1022 for positioning and mounting the front panel 101.
In another embodiment of the present invention, as shown in fig. 3 and fig. 6, the digital switching device 4 is disposed on the front panel 101, the front panel 101 is formed with a first heat dissipation square hole 1011 for dissipating heat of the digital switching device 4, and two sides of the box 102 are formed with second heat dissipation square holes 1023. So set up, be favorable to the holistic heat dissipation of digital energy storage module, improve its heat dispersion.
On the basis of the above embodiments, in another embodiment of the present invention, as shown in fig. 1 and fig. 4, the connection terminal 6 is a 2P fence type high-current connection terminal 6, the battery module total negative electrode 206 and the negative electrode interface 401 are connected in parallel at the same contact of the connection terminal 6, and the positive electrode interface 403 is electrically connected to the battery module total positive electrode 207 through the fuse 8.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 2, the connection terminal 6 and the external communication interface 301 are separated on two sides of the box 102. So set up, be convenient for walk the line design, reduce the interference of power line pair communication.
On the basis of the above embodiments, in another embodiment of the present invention, as shown in fig. 8 to 11, the electronic switch 131 is composed of a mos tube, the positive interface 403, the negative interface 401, and the output interface 402 respectively include a main copper bar 20, a bypass copper bar 14, and an output copper bar 17, the surfaces of the main copper bar 20 and the bypass copper bar 14 are tightly attached to the first switch 1311, and the surfaces of the bypass copper bar 14 and the output copper bar 17 are tightly attached to the second switch 1312. The first switch 1311 and the second switch 1312 are symmetrically arranged on the power board assembly 13 and respectively consist of a plurality of mos tubes, and the number of mos tubes in the power board assembly 13 is determined according to the overcurrent capacity of the system.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 7, 8 and 12, the digital switching device 4 further includes a heat sink 16, the heat sink 16 is disposed below the power board assembly 13, and the power board assembly 13, the main circuit copper bar 20, the bypass copper bar 14 and the output copper bar 17 are respectively fastened on the counterbore 161 of the heat sink 16 by the first screw 12. Thus, the heat sink 16 is provided to facilitate heat dissipation of the present invention, maintaining good performance.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 8, the main copper bar 20, the bypass copper bar 14, the output copper bar 17 and the first screw 12 are separated by an insulating granule 18, and the insulating granule 18 is disposed in a counterbore 161 of the heat sink 16. The arrangement ensures the safety of the invention.
On the basis of the above embodiment, in another embodiment of the present invention, the main circuit and the bypass circuit are respectively provided with status display lamps. With the arrangement, when the battery module 21 works normally, the main circuit is electrified, the state display lamp of the circuit is on, when the battery module 21 works abnormally, the bypass circuit is electrified, and the state display lamp of the circuit is on, so that the working state of the invention and the service condition of the battery module 21 can be clearly reflected, and the maintenance and the overhaul of workers are convenient.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 7 and 8, the digital switching device 4 further includes a housing 10, the driving board assembly 11 and the power board assembly 13 are disposed in the housing 10, the housing 10 is provided with a display window 22, the status display lamp is disposed in the display window 22, the housing 10 is made of flame retardant plastic, the display window 22 is a groove disposed in the housing 10, the display window 22 is provided with a back adhesive plastic sheet, and the back adhesive plastic sheet is attached to a front surface of the groove of the housing 10. Preferably, the display window 22 can be provided with four state display lamps, two lamps close to the main circuit copper bar 20 are used for displaying the state of the main circuit, and two lamps close to the bypass copper bar 14 are used for displaying the state of the bypass circuit, so that the working condition is reflected more intuitively, the display is obvious, and the gum plastic sheet can play a role in protecting the state display lamps 5.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 8 and 9, the insulating heat conducting pad 15 is disposed between the main circuit copper bar 20, the bypass copper bar 14, the output copper bar 17 and the heat sink 16, and the lower surfaces of the main circuit copper bar 20, the bypass copper bar 14 and the output copper bar 17 are tightly attached to the insulating heat conducting pad 15. So, electronic switch 131 is hugged closely to main way copper bar 20, bypass copper bar 14, the upper surface of output copper bar 17, and insulating heat conduction pad 15 is hugged closely to the lower surface, and three copper bar not only plays the electrically conductive effect, also plays the heat conduction effect simultaneously.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 8, the housing 10 is fixed to both sides of the heat sink 16 by second screws 19.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a digital energy storage module, its characterized in that, includes quick-witted case, battery management unit, digital auto-change over device and a plurality of battery package, singly the battery package is established ties by a plurality of electricity cores and is formed, a plurality of battery packages establish ties and constitute the battery module, the battery management unit is equipped with voltage detector and thermodetector that is used for gathering electric core voltage and temperature information, the battery management unit is equipped with external communication interface, digital auto-change over device includes drive plate subassembly and power board subassembly, power board subassembly is equipped with electronic switch and butt joint female joint, electronic switch includes first switch and second switch at least, the drive plate subassembly is equipped with butt joint male joint and communication interface, butt joint male joint and butt joint female joint realize the electricity of drive plate subassembly and power board subassembly is even, digital auto-change over device still includes negative pole interface, a plurality of batteries package, singly the battery management, The positive electrode interface and the output interface are electrically connected through the first switch to form a main circuit, the negative electrode interface and the output interface are electrically connected through the second switch to form a bypass circuit, the digital energy storage module is provided with a wiring terminal, the connecting terminal comprises a negative connecting terminal and a positive connecting terminal, the negative connecting terminal is connected with the total negative pole of the battery module, the positive terminal is connected with the total positive pole of the battery module through the main circuit, the positive interface, the negative interface and the output interface are respectively connected with the total positive pole of the battery module, the negative terminal and the positive terminal, the battery management unit is in signal connection with the driving board assembly through the communication interface, the driving board assembly is used for acquiring information of the battery module and controlling the electronic switch to be opened and closed, and the battery management unit, the digital switching device and the battery module are arranged in the case.
2. The digital energy storage module of claim 1, wherein the case comprises a case body and a front panel, the case body and the front panel are integrally connected, and the case body is provided with a first positioning pin for positioning and installing the battery pack and a second positioning pin for positioning and installing the front panel.
3. The digital energy storage module of claim 2, wherein the digital switching device is disposed on the front panel, the front panel is provided with a first heat dissipation square hole for heat dissipation of the digital switching device, and two sides of the box body are provided with second heat dissipation square holes.
4. The digital energy storage module of claim 1, wherein the terminal is a 2P fence type high current terminal, the total negative and negative terminals of the battery module are connected in parallel at the same contact of the terminal, and the positive terminal is electrically connected to the total positive terminal of the battery module through a fuse.
5. The digital energy storage module of claim 4, wherein the connection terminal and the external communication interface are separated on two sides of the box body.
6. The digital energy storage module according to any one of claims 1 to 5, wherein the electronic switch is composed of a mos transistor, the positive interface, the negative interface and the output interface respectively include a main copper bar, a bypass copper bar and an output copper bar, the surfaces of the main copper bar and the bypass copper bar are tightly attached to the first switch, and the surfaces of the bypass copper bar and the output copper bar are tightly attached to the second switch.
7. The digital energy storage module of claim 6, wherein the digital switching device further comprises a heat sink disposed below the power board assembly, and the power board assembly, the main path copper bar, the bypass copper bar and the output copper bar are respectively fastened to the counter bores of the heat sink by first screws.
8. The digital energy storage module of claim 7, wherein the main circuit and the bypass circuit are each provided with a status display lamp.
9. The digital energy storage module of claim 6, wherein the digital switching device further comprises a housing, the driving board assembly and the power board assembly are disposed in the housing, the housing is provided with a display window, the status display lamp is disposed in the display window, the housing is made of flame retardant plastic, the display window is a groove disposed in the housing, the display window is provided with a back adhesive plastic sheet, and the back adhesive plastic sheet is attached to a front surface of the groove of the housing.
10. The digital energy storage module of claim 6, wherein insulating thermal pads are disposed between the main, bypass and output copper bars and the heat sink, and lower surfaces of the main, bypass and output copper bars are in close contact with the insulating thermal pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010839778.7A CN111864289A (en) | 2020-08-19 | 2020-08-19 | Digital energy storage module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010839778.7A CN111864289A (en) | 2020-08-19 | 2020-08-19 | Digital energy storage module |
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| CN111864289A true CN111864289A (en) | 2020-10-30 |
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| CN202010839778.7A Pending CN111864289A (en) | 2020-08-19 | 2020-08-19 | Digital energy storage module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114243189A (en) * | 2021-12-10 | 2022-03-25 | 海洋王照明科技股份有限公司 | Battery module, assembly method and lighting device |
| WO2023184268A1 (en) * | 2022-03-30 | 2023-10-05 | 东莞新能安科技有限公司 | Control device and battery module |
-
2020
- 2020-08-19 CN CN202010839778.7A patent/CN111864289A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114243189A (en) * | 2021-12-10 | 2022-03-25 | 海洋王照明科技股份有限公司 | Battery module, assembly method and lighting device |
| WO2023184268A1 (en) * | 2022-03-30 | 2023-10-05 | 东莞新能安科技有限公司 | Control device and battery module |
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