CN210927197U - Voltage balance and protection circuit board for battery charging - Google Patents
Voltage balance and protection circuit board for battery charging Download PDFInfo
- Publication number
- CN210927197U CN210927197U CN202020005874.7U CN202020005874U CN210927197U CN 210927197 U CN210927197 U CN 210927197U CN 202020005874 U CN202020005874 U CN 202020005874U CN 210927197 U CN210927197 U CN 210927197U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- mounting seat
- shell
- plate
- flat plate
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a voltage balance and protection circuit board that battery charged relates to battery technical field. The utility model discloses in: the circuit board body is fixed on the mounting seat; the mounting seat is arranged in the shell; a support plate is arranged in the middle of the inner bottom surface of the shell; a first damping spring column is arranged on the supporting bolt; a plurality of vent holes are arranged on the top surface of the shell side by side; a cooling fan is arranged below the ventilation hole; the bottom of the mounting seat is provided with a damping frame; the flat plate in the middle of the damping frame is fixedly connected with the supporting plate. The utility model fixes the transformer by arranging the mounting seat to match with the shell, and absorbs the shock by the damping spring and the buffer pad in the fixing seat; the mounting seat is supported by the cooperation of the damping frame and the supporting flat plate, and the first damping spring column on the supporting bolt is used for further damping; the shock absorption effect of the device is improved, the circuit board damage caused by falling of the shell is avoided, the heat dissipation is carried out through the heat dissipation fan, and the circuit board burning is avoided.
Description
Technical Field
The utility model belongs to the technical field of the battery, especially, relate to a voltage balance and protection circuit board that battery charged.
Background
With the development of modern society, mobile devices are becoming more and more widely used (e.g., in the rapidly evolving information and communications industries), which has created a great demand for high-energy batteries. For the automobile industry that has been developed for a long time, due to the environmental requirements of the modern society, development of batteries with higher safety and larger capacity is awaited. For mobile equipment with large energy consumption, such as notebook computers, automatic bicycles, electric automobiles and the like, the requirements can be met only by connecting a plurality of large-capacity battery cells in series to form a battery pack.
In a battery pack formed by connecting a plurality of battery cells in series, if each battery cell is individually charged, a charging device needs too much, and when a plurality of battery cells are connected in parallel for charging, the current during charging may be too large, and the product may be damaged. In addition, charging the battery cells in series causes a problem: because a plurality of battery cores are connected in series, the performance of each battery core cannot be ensured to be completely the same, when the battery cores are charged (discharged) for multiple times, the voltage at two ends of one or a plurality of battery cores reaches the upper limit voltage (namely the protection voltage) of two circuit boards firstly during charging, and the battery cores can be overcharged by continuing charging; when discharging, the voltage at two ends of a certain or some battery cells reaches the lower limit voltage of the circuit board firstly, and then the battery cells are discharged continuously to be possible to over-discharge the battery cells. In both cases, the structure of the battery core is damaged, and the service cycle of the battery is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a voltage balance and protection circuit board for battery charging, which fixes a transformer by arranging a mounting seat to be matched with a shell and absorbs shock by a damping spring and a buffer pad in a fixed seat; the mounting seat is supported by the cooperation of the damping frame and the supporting flat plate, a certain damping effect is achieved, and the damping is further realized through the first damping spring column on the supporting bolt; the shock absorption effect of the device is improved, the circuit board damage caused by falling of the shell is avoided, the heat dissipation is carried out through the heat dissipation fan, and the circuit board burning is avoided.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a voltage balance and protection circuit board for battery charging, which comprises a circuit board body, wherein the circuit board body is fixed on a mounting seat; two sides of the upper surface of the mounting seat are respectively provided with a through hole; the bottom surface of the mounting seat is provided with a guide post; the mounting seat is arranged in the shell;
a supporting plate is arranged in the middle of the inner bottom surface of the shell; two sides of the supporting plate are respectively fixed on the inner bottom surface of the shell through an inclined plate; two sides of the inner bottom surface of the shell are respectively provided with a supporting bolt; the supporting bolt is matched with the through hole; a first damping spring column is mounted on the supporting bolt;
a plurality of vent holes are arranged in parallel on the top surface of the shell; a cooling fan is arranged below the ventilation hole;
the bottom of the mounting seat is provided with a shock absorption frame; the middle of the shock absorption frame is provided with a flat plate; the flat plate in the middle of the shock absorption frame is fixedly connected with the supporting plate;
two sides of the flat plate are respectively provided with a connecting plate; one end of the connecting plate is provided with a fixed seat; the fixed seat is fixed on the bottom surface of the mounting seat through a bolt;
a groove is formed in the middle of the fixed seat; the bottom surface of the groove is provided with a guide sleeve; the guide sleeve is matched with the guide post; a second damping spring is arranged at the bottom of the guide sleeve; and a buffer cushion is also arranged between the upper end surface of the guide sleeve and the bottom surface of the mounting seat.
Furthermore, two sides of the circuit board body are fixed on a mounting seat through screws, and the mounting seat is provided with a threaded hole; the threaded hole is matched with the screw.
Further, install a temperature sensor and controller in the casing, temperature data in the temperature sensor response casing, the switch operation of radiator fan is controlled to the controller.
Furthermore, the size and shape of the support plate are the same as those of the flat plate in the middle of the shock absorption frame, and the support plate is fixedly connected with the flat plate in the middle of the shock absorption frame through a plurality of fixing bolts.
Further, the buffer pad is a spongy cushion or a rubber cushion.
The utility model discloses following beneficial effect has:
the utility model fixes the transformer by arranging the mounting seat to match with the shell, and absorbs the shock by the damping spring and the buffer pad in the fixing seat; the mounting seat is supported by the cooperation of the damping frame and the supporting flat plate, a certain damping effect is achieved, and the damping is further realized through the first damping spring column on the supporting bolt; the shock absorption effect of the device is improved, the circuit board damage caused by falling of the shell is avoided, the heat dissipation is carried out through the heat dissipation fan, and the circuit board burning is avoided.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a voltage balancing and protection circuit board for battery charging.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1, the present invention relates to a voltage balancing and protecting circuit board for battery charging, which comprises a circuit board body 1, wherein the circuit board body 1 is fixed on a mounting base 2; two sides of the circuit board body 1 are fixed on the mounting seat 2 through screws, and the mounting seat 2 is provided with a threaded hole; the threaded hole is matched with the screw; two sides of the upper surface of the mounting seat 2 are respectively provided with a through hole 201; the bottom surface of the mounting seat 2 is provided with a guide column 202; the mounting seat 2 is arranged in the shell 4;
a supporting plate 401 is arranged in the middle of the inner bottom surface of the shell 4; two sides of the supporting plate 401 are respectively fixed on the inner bottom surface of the shell 4 through a sloping plate 402; two sides of the inner bottom surface of the shell 4 are respectively provided with a supporting bolt 403; the stay bolt 403 is engaged with the through hole 201; a first damping spring column 5 is mounted on the supporting bolt 403;
a plurality of vent holes 404 are arranged on the top surface of the shell 4 side by side; a heat radiation fan 7 is arranged below the ventilation hole 404; a temperature sensor and a controller are arranged in the shell 4, the temperature sensor senses temperature data in the shell 4, and the controller controls the on-off operation of the cooling fan 7; when the temperature in the shell 4 is higher than a set value, the controller controls the cooling fan 7 to be opened for cooling, and when the temperature is lower than the set value, the controller controls the cooling fan 7 to be closed;
the bottom of the mounting seat 2 is provided with a shock absorption frame 3; the middle of the damping frame 3 is a flat plate; the flat plate in the middle of the damping frame 3 is fixedly connected with the supporting plate 401; the size and the shape of the supporting plate 401 are the same as those of a flat plate in the middle of the shock absorption frame 3, and the supporting plate 401 is fixedly connected with the flat plate in the middle of the shock absorption frame 3 through a plurality of fixing bolts 6;
two sides of the flat plate are respectively provided with a connecting plate 301; one end of the connecting plate 301 is provided with a fixed seat 302; the fixed seat 302 is fixed on the bottom surface of the mounting seat 2 through bolts;
a groove is arranged in the middle of the fixed seat 302; the bottom surface of the groove is provided with a guide sleeve 303; the guide sleeve 303 is matched with the guide column 202; a second damping spring 304 is arranged at the bottom of the guide sleeve 303; a buffer cushion 305 is arranged between the upper end surface of the guide sleeve 303 and the bottom surface of the mounting seat 2; the cushion pad 305 is a sponge pad or a rubber pad.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. A voltage balancing and protecting circuit board for battery charging comprises a circuit board body (1), wherein the circuit board body (1) is fixed on a mounting seat (2); the method is characterized in that: two sides of the upper surface of the mounting seat (2) are respectively provided with a through hole (201); a guide column (202) is arranged on the bottom surface of the mounting seat (2); the mounting seat (2) is mounted in the shell (4);
a supporting plate (401) is arranged in the middle of the inner bottom surface of the shell (4); two sides of the supporting plate (401) are respectively fixed on the inner bottom surface of the shell (4) through an inclined plate (402); two sides of the inner bottom surface of the shell (4) are respectively provided with a supporting bolt (403); the supporting bolt (403) is matched with the through hole (201); a first damping spring column (5) is mounted on the supporting bolt (403);
a plurality of vent holes (404) are arranged on the top surface of the shell (4) side by side; a heat radiation fan (7) is arranged below the ventilation hole (404);
the bottom of the mounting seat (2) is provided with a shock absorption frame (3); the middle of the shock absorption frame (3) is provided with a flat plate; a flat plate in the middle of the shock absorption frame (3) is fixedly connected with a support plate (401);
two sides of the flat plate are respectively provided with a connecting plate (301); one end of the connecting plate (301) is provided with a fixed seat (302); the fixed seat (302) is fixed on the bottom surface of the mounting seat (2) through a bolt;
a groove is formed in the middle of the fixed seat (302); the bottom surface of the groove is provided with a guide sleeve (303); the guide sleeve (303) is matched with the guide column (202); a second damping spring (304) is arranged at the bottom of the guide sleeve (303); a buffer pad (305) is arranged between the upper end surface of the guide sleeve (303) and the bottom surface of the mounting seat (2).
2. The battery charging voltage balancing and protecting circuit board according to claim 1, wherein the battery charging balancing and protecting circuit is mounted on the upper surface of the circuit board body (1), two sides of the circuit board body (1) are fixed on the mounting base (2) through screws, and the mounting base (2) is provided with a threaded hole; the threaded hole is matched with the screw.
3. The battery charging voltage balancing and protection circuit board of claim 1, wherein a temperature sensor and a controller are installed in the housing (4), the temperature sensor senses temperature data in the housing (4), and the controller controls the on/off operation of the heat dissipation fan (7).
4. The battery charging voltage balancing and protecting circuit board of claim 1, wherein the supporting plate (401) has the same size and shape as the flat plate in the middle of the shock-absorbing frame (3), and the supporting plate (401) and the flat plate in the middle of the shock-absorbing frame (3) are fixedly connected through a plurality of fixing bolts (6).
5. The circuit board of claim 1, wherein the buffer pad (305) is a foam pad or a rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020005874.7U CN210927197U (en) | 2020-01-03 | 2020-01-03 | Voltage balance and protection circuit board for battery charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020005874.7U CN210927197U (en) | 2020-01-03 | 2020-01-03 | Voltage balance and protection circuit board for battery charging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210927197U true CN210927197U (en) | 2020-07-03 |
Family
ID=71346995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020005874.7U Expired - Fee Related CN210927197U (en) | 2020-01-03 | 2020-01-03 | Voltage balance and protection circuit board for battery charging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210927197U (en) |
-
2020
- 2020-01-03 CN CN202020005874.7U patent/CN210927197U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106058112B (en) | Cylindrical battery module | |
| CN201804918U (en) | Closed power battery pack module | |
| CN213782135U (en) | Battery module, battery package and consumer | |
| CN108615836A (en) | A kind of electrical storage device of new-energy automobile | |
| CN210927197U (en) | Voltage balance and protection circuit board for battery charging | |
| CN209447888U (en) | The protection mounting device of 48V lithium-ion battery systems | |
| CN116646671A (en) | High-safety lithium battery pack of electric vehicle | |
| CN213522843U (en) | Lithium battery protection plate with shock-absorbing function | |
| CN114498889A (en) | Portable light stores up charging power supply box | |
| CN211555986U (en) | Novel battery pack | |
| CN219041171U (en) | High-capacity uninterrupted direct-current battery power supply | |
| CN213936399U (en) | Lithium battery heat dissipation protective housing with damping device | |
| CN101938019A (en) | Power battery bank and battery module thereof | |
| CN201766140U (en) | Power battery pack and battery module | |
| CN220123240U (en) | Outer shell structure of battery protection board | |
| CN216818500U (en) | Collapse energy-absorbing energy-storing battery plug box | |
| CN221329417U (en) | Indoor dustproof forced air cooling energy storage cabinet | |
| CN220569841U (en) | Lithium battery combined structure assembled in modularized mode | |
| CN220934211U (en) | Energy storage lithium battery pack | |
| CN219017811U (en) | Battery and electric equipment | |
| CN218335408U (en) | Portable charging device with efficient heat dissipation function | |
| CN221057616U (en) | Battery pack for portable camera weight | |
| CN219801128U (en) | Battery cell mounting structure and energy storage system | |
| CN211530137U (en) | Power lithium battery heat dissipation plate | |
| CN219959151U (en) | Battery module and energy storage power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200703 Termination date: 20220103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |