CN113904048A - Emergency navigation aid lamp battery pack - Google Patents
Emergency navigation aid lamp battery pack Download PDFInfo
- Publication number
- CN113904048A CN113904048A CN202111370593.7A CN202111370593A CN113904048A CN 113904048 A CN113904048 A CN 113904048A CN 202111370593 A CN202111370593 A CN 202111370593A CN 113904048 A CN113904048 A CN 113904048A
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- Prior art keywords
- battery pack
- battery
- circuit board
- control assembly
- emergency
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/271—Lids or covers for the racks or secondary casings
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/519—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising printed circuit boards [PCB]
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
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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 application relates to an emergent aid to navigation lamp battery package includes: a battery pack, a control assembly and a housing; a battery cabin is formed inside the shell; the battery pack and the control assembly are fixedly arranged in the battery cabin; the battery pack comprises a plurality of battery cells, the side parts of the plurality of battery cells are adjacently arranged, and the positive electrode and the negative electrode of the plurality of battery cells are connected to the bottom of the control assembly; the control assembly is provided with an electrical interface for connecting an external load. The control assembly comprises a circuit board and a protection board; the circuit board is fixedly arranged between the battery pack and the protection board; the circuit board is connected with the positive electrode and the negative electrode of the plurality of battery cells to form a plurality of battery cell strings and form a battery pack positive electrode and a battery pack negative electrode; the positive pole of the battery pack and the negative pole of the battery pack are connected to a protection board, and an electrical interface for connecting an external load is arranged on the protection board. The control assembly further comprises an insulating plate which is fixedly arranged between the circuit board and the protective plate. This application space is compact, and the structure is firm, is particularly suitable for emergent aid to navigation lamp battery system.
Description
Technical Field
The application relates to the technical field of batteries, in particular to an emergency navigation aid lamp battery pack.
Background
The emergency navigation aid lamp is mainly used for guiding the take-off or landing of an airplane in a special environment, is generally arranged on a lighted vehicle, and directly throws a lamp on the ground of an airport channel by using manpower or a mechanical arm when in use.
The emergency navigation aid lamp battery pack is arranged inside the lamp and provides mobile power supply for the lamp. Due to the size and space limitations of the lamp, higher requirements are put on the structure of the battery pack.
Disclosure of Invention
Therefore, the emergency navigation aid lamp battery pack is needed to be provided for solving the technical problems, has compact space and stable structure, and is particularly suitable for the emergency navigation aid lamp battery system.
An emergency navigational light battery pack, comprising: a battery pack, a control assembly and a housing; a battery compartment is formed inside the shell; the battery pack and the control assembly are fixedly arranged in the battery cabin;
the battery pack comprises a plurality of battery cells, the side parts of the battery cells are adjacently arranged, and the positive electrode and the negative electrode of the battery cells are connected to the bottom of the control assembly; and the control assembly is provided with an electrical interface for connecting external equipment.
In one embodiment, the control assembly includes a circuit board and a protective plate; the circuit board is fixedly arranged between the battery pack and the protection board;
the circuit board is connected with the positive and negative electrodes of the multiple battery cells to form a plurality of battery cell strings and form a battery pack positive electrode and a battery pack negative electrode; the battery pack anode and the battery pack cathode are connected to the protection plate, and an electrical interface for connecting external equipment is arranged on the protection plate.
In one embodiment, the control assembly further comprises an insulating plate fixedly disposed between the circuit board and the protection plate.
In one embodiment, the circuit board is further provided with a plurality of voltage collecting points, each voltage collecting point corresponds to each battery cell string in a one-to-one manner and is connected to the negative electrode of the battery pack and the positive electrode corresponding to the battery cell string, and each voltage collecting point is connected to the protection board through a voltage collecting line.
In one embodiment, the protection plate is further provided with a plurality of temperature collecting points, the plurality of temperature collecting points are connected to the battery pack through a plurality of temperature collecting lines, and the plurality of temperature collecting lines penetrate through the line holes in the circuit board.
In one embodiment, the protection board is further provided with a voltage socket and a temperature socket, and the voltage collecting wire and the temperature collecting wire are respectively connected to the voltage socket and the temperature socket by using connectors.
In one embodiment, the method further comprises the following steps: a thermally conductive support;
the heat conduction support comprises a bottom plate fixedly arranged at the bottom of the shell and a plurality of embedded grooves formed in the bottom plate, each embedded groove corresponds to one battery cell, and the battery cells are embedded into the corresponding embedded grooves to fill gaps between the adjacent battery cells;
the bottom plate and the embedded groove are made of heat conducting materials in an integrated forming mode.
In one embodiment, when the battery cells on the circuit board are not full, the bottom of the circuit board is further provided with a counterweight column, so that the counterweight of the battery pack is uniform.
In one embodiment, each of the battery cells adopts a PET heat-shrinkable tube, and the bottom of each of the battery cells is provided with a shock-absorbing cushion.
In one embodiment, the housing includes an upper cover and a bottom case, the bottom case has an interior forming the battery compartment and is open at the top, and the upper cover is detachably attached to the top of the battery compartment.
In the emergency navigation aid lamp battery pack, the battery pack and the control assembly are arranged in the battery cabin formed in the shell, and the side parts of the plurality of battery cells forming the battery pack are adjacently arranged, so that the size of the whole battery pack is smaller, and the space is saved; the positive electrode and the negative electrode of the battery cells are connected to the bottom of the control assembly, and the control assembly completes series-parallel connection between the battery cells, so that wiring harnesses and space are saved; the whole battery pack has compact space and stable structure, and is particularly suitable for emergency navigation aid lamp battery systems.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an emergency navigation light battery pack according to an embodiment;
FIG. 2 is an exploded view of an embodiment of an emergency navigation light with a battery fully packed;
FIG. 3 is a schematic view of a thermally conductive bracket with a battery fully enclosed in an emergency aid light battery in one embodiment;
FIG. 4 is a perspective view of a thermally conductive bracket with a battery fully encased by an emergency aid light battery in one embodiment;
FIG. 5 is an exploded view of an embodiment of an emergency navigation light battery pack not full of batteries;
FIG. 6 is a schematic view of a thermally conductive bracket for an emergency navigational light battery pack that is not full of batteries in one embodiment;
FIG. 7 is a perspective view of a thermally conductive bracket for an emergency navigational light battery pack that is not full of batteries in one embodiment;
FIG. 8 is a schematic view of an upper cover of an emergency navigational light battery pack, according to one embodiment;
fig. 9 is a schematic view of a bottom box of an emergency navigation light battery pack in one embodiment.
The reference numbers:
the battery pack 1, the control assembly 2, the circuit board 21, the protection board 22, the electrical interface 221, the insulation board 23, the shell 3, the upper cover 31, the bottom box 32, the heat conducting support 4 and the counterweight column 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
As shown in fig. 1 to 9, the present application provides an emergency navigation light battery pack, which in one embodiment includes: a battery pack 1, a control assembly 2 and a housing 3; a battery compartment is formed inside the shell 3; the battery pack 1 and the control component 2 are both fixedly arranged in the battery compartment; the battery pack 1 comprises a plurality of battery cells, the side parts of the plurality of battery cells are adjacently arranged, and the positive electrode and the negative electrode of the plurality of battery cells are connected to the bottom of the control assembly 2; the control unit 2 is provided with an electrical interface 221 for connecting an external device.
According to the specification parameter requirement of the battery pack, the battery pack 1 may select a suitable number of cells, for example: 40 18650 lithium titanate cells were selected. The positive and negative poles of the cell are at one end and are connected to the bottom of the control assembly 2. The bottom of the battery core can be a soft cushion with better shock absorption.
The electrical interface 221 is connected to an external device, and may specifically be an emergency navigation light (load), a charger, an upper computer, or the like. The electrical interface includes: communication interface, charging interface, discharging interface, etc.
In the emergency navigation aid lamp battery pack, the battery pack and the control assembly are arranged in the battery cabin formed in the shell, and the side parts of the plurality of battery cells forming the battery pack are adjacently arranged, so that the size of the whole battery pack is smaller, and the space is saved; the positive electrode and the negative electrode of the battery cells are connected to the bottom of the control assembly, and the control assembly completes series-parallel connection between the battery cells, so that wiring harnesses and space are saved; the whole battery pack has compact space and stable structure, and is particularly suitable for emergency navigation aid lamp battery systems. The cushion that the electricity core bottom set up can prevent to fall the damage, avoids the impact and the vibration that the lamps and lanterns thrown the in-process and produced to reduce the battery damage.
In one embodiment, control assembly 2 includes a circuit board 21 and a protective plate 22; the circuit board 21 is fixedly arranged between the battery pack and the protection board 21; the circuit board 21 is connected with the positive and negative electrodes of the multiple battery cells to form a plurality of battery cell strings and form a battery pack positive electrode and a battery pack negative electrode; the positive electrode of the battery pack and the negative electrode of the battery pack are connected to the protection plate 22, and the protection plate 22 is provided with an electrical interface 221 for connecting an external device. The control assembly 2 further comprises an insulating plate 23, the insulating plate 23 being fixedly arranged between the circuit board 21 and the protective plate 22.
The Circuit Board 21 is a Printed Circuit Board (PCB). The battery cells are respectively welded on the PCB, the series-parallel connection of the battery cells is realized by the PCB, and particularly, the connection modes of firstly connecting in series and then connecting in parallel, firstly connecting in parallel and then connecting in series or other connection modes can be selected according to requirements, so that the battery pack 1 is formed, and the anode and the cathode of the battery pack 1 are led out. Specifically, a plurality of battery cells can be selected to be connected in parallel to form a battery cell string, and the plurality of battery cell strings are connected in series to form a battery pack with certain specification requirements. For example, a 24V 5.2Ah battery pack is formed by soldering 40 cells in 10 strings and 4 parallel through a PCB. The PCB is welded with a battery pack anode outgoing line and a battery pack cathode outgoing line, and a battery pack anode connecting line and a battery pack cathode connecting line are welded on the 2pin connector, so that a male connector or a female connector can be specifically selected.
The positive and negative electrodes of the battery pack 1 are connected to the protection sheet 22 to supply power to the protection sheet 22. And a protection plate 22 for managing and protecting the battery pack 1. The protection board 22 includes an electrical interface 221 connected to an external load and a charger, and the interface includes a communication interface, a charging interface, a discharging interface, and the like. Electrical interface 221 includes a plurality of signal and power lines using a connector or connector aggregation interface, for example, electrical interface 221 includes 12 wire harnesses aggregated over a plug of a 12pin connector. The plug-in components of the electrical interface 221 are subjected to gluing treatment to prevent damages such as loosening of wire harnesses and breakage of components when the battery pack is plugged and dropped.
An insulating layer 23 is included between the PCB and the protective plate 22. The insulating layer 23 can be made of epoxy resin board, highland barley paper, polyimide film, etc. Preferably, highland barley paper is used. The insulating layer 23 can effectively prevent the battery and the battery protection plate from being short-circuited.
In one embodiment, the circuit board 21 further has a plurality of voltage collecting points, each voltage collecting point corresponds to each cell string one by one and is connected to the negative electrode of the battery pack and the positive electrode of the corresponding cell string, and each voltage collecting point is connected to the protection board through a voltage collecting line.
The circuit board 21 is welded with voltage collecting points connected to voltage collecting lines, and the voltage collecting lines are converged on the connecting terminals in a flat cable form, for example, 10 serial cores are welded with 11 voltage collecting lines in series, and 11 voltage collecting lines are converged on a male head of 11pin connecting terminals. The voltage welding spots on the circuit board 21 need to comprehensively consider that the distance from the welding spots to each electric core in the same electric core string is as long as possible, and the electric cores in the same electric core string are arranged as tightly as possible, so that the influence of sampling errors on the consistency of the single bodies is effectively reduced.
When calculating the voltage of the cell string, a difference method may be adopted. For example: the battery pack is formed by 40 battery cells in a mode of 10 strings and 4 parallel, the battery pack comprises 10 battery cell strings, each battery cell string is formed by connecting 4 battery cells in parallel, the negative electrode of the battery pack is used as the negative electrode of the first battery cell string, the positive electrode of the battery pack is used as the positive electrode of the tenth battery cell string, the voltage of the first battery cell string is the pressure difference between the negative electrode of the battery pack and the positive electrode of the first battery cell string, the voltage of the second battery cell string is the pressure difference between the positive electrode of the second battery cell string and the positive electrode of the first battery cell string, the voltage of the third battery cell string is the pressure difference between the positive electrode of the third battery cell string and the positive electrode of the second battery cell string, and so on.
In one embodiment, the protection plate 22 further has a plurality of temperature collection points, the plurality of temperature collection points are connected to the battery pack through a plurality of temperature collection lines, temperature probes of the temperature collection lines are directly attached to the surfaces of the individual battery cells for collecting the temperature of the battery in real time, and the plurality of temperature collection lines pass through wire holes on the circuit board.
The threading hole sites on the circuit board 21 can be specifically selected according to the number of the temperature collection lines, for example, 2 temperature collection lines are selected, and the printed circuit board contains 2 threading hole sites.
In one embodiment, a voltage socket and a temperature socket are further disposed on protective plate 22, and a horizontal voltage collecting socket and a horizontal temperature collecting socket may be particularly selected. And the voltage socket is used for connecting the terminal of the voltage collecting wire. And the temperature socket is used for connecting a terminal of the temperature acquisition line.
The voltage collecting wire and the temperature collecting wire are respectively connected to a voltage socket and a temperature socket by using connectors. The voltage and temperature sockets may be selected female sockets to correspond to male plugs of the voltage and temperature collection lines.
The positive and negative poles of the power supply on the protective plate 22 are butted with the positive and negative poles of the battery pack by connectors. The female head of the 2pin connector is arranged on the protection plate so as to be butted with the male head of the 2pin connector welded with the anode and the cathode of the battery pack.
The form of the connector is beneficial to power on and power off of the battery pack and installation and maintenance.
The voltage socket and the temperature socket are subjected to gluing treatment to prevent damages such as loosening of wire harnesses, breakage of components and the like when the battery pack is plugged and dropped.
In one embodiment, when the cells on the circuit board 21 are not full, the bottom of the circuit board is further provided with a weight post 5 to make the weight of the battery pack uniform.
When the weight requirement of the gravity center stability of the battery pack cannot be met according to the requirement of the capacity of the battery, counterweight treatment is needed, namely the battery cores are not fully distributed, each string of batteries are uniformly distributed in the shell, a counterweight column 5 with the same size as the battery cores is selected for counterweight in a part of vacant positions among the battery cores, specifically, a steel column can be selected, an insulating layer is wrapped outside the steel column to prevent conduction, the number of the steel column is determined according to the counterweight weight requirement of the battery pack, for example, a 24V2.6Ah battery pack is formed by welding 20 single battery cores in a mode of 10 strings of 2 in parallel through a PCB (printed Circuit Board), and 8 steel columns are selected.
When the battery cell is not fully distributed, the counterweight treatment is carried out, the gravity center balance of the battery pack is facilitated, and the falling damage of the battery pack can be prevented.
In one embodiment, further comprising: a thermally conductive support 4; the heat conducting support 4 comprises a bottom plate fixedly arranged at the bottom of the shell and a plurality of embedded grooves arranged on the bottom plate, each embedded groove corresponds to the battery cell one by one, and the battery cells are embedded into the corresponding embedded grooves to fill gaps between the adjacent battery cells; the bottom plate and the embedded groove are integrally formed by heat conduction materials.
According to the specification parameter requirements of the battery pack, the battery cells are distributed with or without two layout modes.
When the battery is fully equipped according to the requirement of the capacity of the battery, the heat conduction bracket 4 is embedded into the gap between the battery cell and the bottom of the battery pack, the heat conduction bracket 4 is integrally formed by adopting heat conduction materials, and the bottom of the heat conduction bracket 4 is matched with the inner side of the bottom of the shell 3 in size.
When a non-full battery structure is provided according to the requirement of the battery capacity, vacant spaces except for steel columns and batteries and the bottom of the battery pack are embedded into the fixed heat conducting support 4.
4 upsides of heat conduction support are nested between electric core and electric core, are favorable to the heat dissipation of battery and the even of temperature to fixed each electric core has the effect of damping and buffering, effectively protects the battery, prevents to fall the damage. Heat conduction support 4 chooses for use heat conduction material integrated into one piece, effectively reduces to appear battery aversion, battery protection shield deformation, fracture scheduling problem in transportation and use to do benefit to thermal conduction, ensure the electrical safety and the functional safety of battery package, protection battery and protection shield. The heat conduction support is embedded at the bottom of the battery cell gap and the battery pack, so that the whole battery pack is more stable, and the battery is prevented from shifting to cause the battery pack fault in the transportation and use processes.
Preferably, each battery cell is made of a PET (Polyethylene terephthalate) heat shrinkable tube.
Because the navigation aid lamp needs to work normally at the low temperature of-41 ℃ and the high temperature of 65 ℃, the battery core can be made of a PET heat-shrinkable sleeve which has excellent heat resistance and cold resistance and can still work normally at the temperature of-60 ℃ to 120 ℃, and the problem that the PVC heat-shrinkable sleeve is easy to shrink and deform at the high temperature is effectively solved.
In one embodiment, the housing 3 includes an upper cover 31 and a bottom case 32, the bottom case 32 has an interior forming a battery compartment and an open top, and the upper cover 31 is detachably attached to the top of the battery compartment.
Through bolt-up connection between upper cover 31 and the end box 32, the front of upper cover 31 contains the installation hole site, through this installation hole site fixing bolt connection end box 32, contains 4 installation hole sites in this embodiment.
The inner side of the upper cover 31 is provided with a binding hole site through which a binding belt passes for leading out a wire harness from an electrical interface for fixing the protection plate 22. The inside of the upper cover 31 contains internal screw bolt hole sites for fixing the battery protection board, and the inside of the upper cover 31 contains 6 internal screw bolt hole sites in the embodiment.
The upper cover 31 is further provided with a wire outlet hole, the electrical interface leading-out wire harness of the protection plate 22 passes through the wire outlet hole of the upper cover in the form of a wire harness plug-in, is connected with the outside through the hole, and is fixed through a binding belt.
The inner side of the upper cover 31 contains a reinforcing rib structure to increase the strength and rigidity of the shell and effectively protect the protection plate 21 of the battery.
The bottom case 32 is provided with female screw hole sites for fixing the PCB, which in this embodiment includes 6 female screw hole sites.
The application provides an emergent aid to navigation lamp battery package adopts upper and lower layered structure, installs the protection shield in the inboard of casing upper cover 31, installs the group battery in box 32 at the bottom of the casing, and the dismouting is nimble, compact size, easy to assemble and maintenance.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An emergency navigational light battery pack, comprising: a battery pack, a control assembly and a housing; a battery compartment is formed inside the shell; the battery pack and the control assembly are fixedly arranged in the battery cabin;
the battery pack comprises a plurality of battery cells, the side parts of the battery cells are adjacently arranged, and the positive electrode and the negative electrode of the battery cells are connected to the bottom of the control assembly; and the control assembly is provided with an electrical interface for connecting external equipment.
2. The emergency navigational light battery pack of claim 1, wherein the control assembly comprises a circuit board and a protective board; the circuit board is fixedly arranged between the battery pack and the protection board;
the circuit board is connected with the positive and negative electrodes of the multiple battery cells to form a plurality of battery cell strings and form a battery pack positive electrode and a battery pack negative electrode; the battery pack anode and the battery pack cathode are connected to the protection plate, and an electrical interface for connecting external equipment is arranged on the protection plate.
3. The emergency navigational light battery pack of claim 2, wherein the control assembly further comprises an insulating plate fixedly disposed between the circuit board and the protective plate.
4. The emergency navigation aid lamp battery pack according to claim 3, wherein a plurality of voltage collecting points are further arranged on the circuit board, each voltage collecting point corresponds to each battery cell string in a one-to-one manner and is connected to the negative electrode of the battery pack and the positive electrode of the battery cell string, and each voltage collecting point is connected to the protection plate through a voltage collecting line.
5. The emergency navigational light battery pack of claim 4, wherein the protective plate further comprises a plurality of temperature collection points, the plurality of temperature collection points are connected to the battery pack via a plurality of temperature collection wires, and the plurality of temperature collection wires pass through wire holes of the circuit board.
6. The battery pack of claim 5, wherein the protection plate further comprises a voltage socket and a temperature socket, and the voltage collecting line and the temperature collecting line are connected to the voltage socket and the temperature socket respectively by connectors.
7. An emergency navigational light battery pack according to any of claims 1 to 6, further comprising: a thermally conductive support;
the heat conduction support comprises a bottom plate fixedly arranged at the bottom of the shell and a plurality of embedded grooves formed in the bottom plate, each embedded groove corresponds to one battery cell, and the battery cells are embedded into the corresponding embedded grooves to fill gaps between the adjacent battery cells;
the bottom plate and the embedded groove are made of heat conducting materials in an integrated forming mode.
8. An emergency navigation light battery pack according to any one of claims 2 to 6, wherein when the battery cells on the circuit board are not full, the bottom of the circuit board is further provided with a counterweight column to balance the battery pack evenly.
9. The emergency navigation light battery pack according to any one of claims 1 to 6, wherein each battery cell is made of a PET heat-shrinkable sleeve, and a shock-absorbing cushion is arranged at the bottom of each battery cell.
10. An emergency navigational light battery pack according to any of claims 1 to 6, wherein the housing includes an upper cover and a bottom case, the bottom case having an interior forming the battery compartment and being open at a top, the upper cover being detachably connected to the top of the battery compartment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111370593.7A CN113904048A (en) | 2021-11-18 | 2021-11-18 | Emergency navigation aid lamp battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111370593.7A CN113904048A (en) | 2021-11-18 | 2021-11-18 | Emergency navigation aid lamp battery pack |
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| CN113904048A true CN113904048A (en) | 2022-01-07 |
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|---|---|---|---|
| CN202111370593.7A Pending CN113904048A (en) | 2021-11-18 | 2021-11-18 | Emergency navigation aid lamp battery pack |
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| CN216529133U (en) * | 2021-11-18 | 2022-05-13 | 长沙新材料产业研究院有限公司 | Emergency navigation aid lamp battery pack |
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