CN219981316U - Household power supply system - Google Patents
Household power supply system Download PDFInfo
- Publication number
- CN219981316U CN219981316U CN202223523715.4U CN202223523715U CN219981316U CN 219981316 U CN219981316 U CN 219981316U CN 202223523715 U CN202223523715 U CN 202223523715U CN 219981316 U CN219981316 U CN 219981316U
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- China
- Prior art keywords
- management unit
- battery
- power supply
- battery management
- supply system
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Links
- 230000005855 radiation Effects 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 7
- 230000000994 depressogenic effect Effects 0.000 claims 1
- 238000004146 energy storage Methods 0.000 abstract description 13
- 230000017525 heat dissipation Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to the field of energy storage battery boxes, in particular to a household power supply system. The household power supply system comprises a box body, wherein a battery pack, an inverter and a battery management unit are arranged in the box body, the inverter is arranged above the battery pack, one side of the battery pack is arranged at intervals with the inner wall of the box body, and the battery management unit is fixedly arranged on the inner wall of the box body at the side. The utility model sets the battery management unit above the battery pack together with the inverter in the existing household power supply system at one side of the battery pack and is fixedly arranged on the inner wall of the box body, so that the battery management unit is not influenced by the heat of the inverter or the battery pack, or the influence of the heat of the inverter and the battery pack on the battery management unit is greatly weakened, thereby ensuring the proper working environment of the battery management unit and ensuring the stable working of the battery management unit, and further solving the problems of poor working stability and short service life of the household mobile energy storage power supply due to unreliable working of the battery management unit.
Description
Technical Field
The utility model relates to the field of energy storage battery boxes, in particular to a household power supply system.
Background
The Chinese patent utility model with the authorized bulletin number of CN208433790U and the authorized bulletin day of 2019, 1 month and 25 days discloses a household solar mobile energy storage power supply, which comprises a box body and an energy storage battery arranged in the box body, wherein the energy storage battery is connected with a protection plate, a mains supply charging socket, a solar charging socket inverter and the like. The mobile energy storage power supply can be charged by mains supply and solar energy at the same time, and can be provided with an inverter, so that the basic requirements of families can be fully met.
However, in the above-mentioned portable energy storage power supply, the battery management unit, the inverter, and the like are provided on a bracket welded in the case of the battery case, the bracket being located above the energy storage battery. When the mobile energy storage power supply is used, heat generated during the working of the inverter can bring adverse effect to the battery management unit, heat generated during the working of the battery is upward and can be overlapped with heat generated by the inverter to influence the reliability of the battery management unit, and therefore the mobile energy storage power supply has the problems of poor working stability and short service life due to unreliable working of the battery management unit.
Disclosure of Invention
The utility model aims to provide a household power supply system, which solves the problems of poor working stability and short service life of the existing household mobile energy storage power supply due to unreliable operation of a battery management unit.
In order to solve the problems, the household power supply system adopts the following technical scheme: the utility model provides a household power supply system, includes the box, be equipped with group battery, dc-to-ac converter and battery management unit in the box, the dc-to-ac converter is installed in the group battery top, one of them side of group battery with the inner wall interval arrangement of box, battery management unit fixed mounting is on the inner wall of box in this side department.
The beneficial effects are that: according to the household power supply system, the existing household power supply system is improved, the battery management unit which is arranged above the battery pack together with the inverter in the existing household power supply system is arranged on one side of the battery pack and is fixedly arranged on the inner wall of the box body at intervals with the battery pack, so that the battery management unit is not influenced by the heat of the inverter or the battery pack, or the influence of the heat of the inverter and the battery pack on the battery management unit is greatly weakened, the working environment of the battery management unit is proper, the stable working of the battery management unit is ensured, and the problems of poor working stability and short service life of a household mobile energy storage power supply due to unreliable working of the battery management unit are solved.
Furthermore, the inner wall of the box body is provided with a framework, and the battery management unit is fixedly arranged on the corresponding framework. In order to ensure that the box body has enough strength, the framework is generally a necessary structure of the box body of the power supply system, and the battery management unit is fixedly arranged on the framework, so that the independent framework can be avoided, and the assembly difficulty and cost of the power supply system are reduced.
Further, the battery pack has at least two layers, and each layer of battery pack is configured with a corresponding battery management unit.
Further, the battery management units are at least partially staggered from the corresponding battery packs in the up-down direction. After the battery management units are staggered with the corresponding battery packs in the up-down direction, the influence of the heat generated by the battery packs on the battery management units caused by radiation to the surrounding can be further reduced.
Further, a heat radiation opening corresponding to the heat radiation fan of the inverter is arranged on the wall of the box body, a handle is arranged at the top of the box body, and the handle extends out of the box wall provided with the heat radiation opening. The handle forms a limiting structure, and when the box body is placed against the wall, the heat dissipation port can be prevented from being blocked due to the fact that the heat dissipation port is stuck to the wall.
Further, the battery management unit is disposed on an inner wall of the case at a side where the heat dissipation port is disposed. The battery management unit and the heat dissipation port are arranged on the same side, and can dissipate heat rapidly by means of the effect of the inverter heat dissipation fan.
Furthermore, the heat dissipation port is arranged on the rear side wall of the box body, and the front side wall of the box body is provided with a charging interface and a discharging interface. The charging interface and the discharging interface are arranged in tandem relative to the heat dissipation port, and the charging interface and the discharging interface are arranged in front, so that the attractive appearance (the heat dissipation port is not attractive outside) can be ensured, and the operation is convenient.
Still further, the charging interface includes a mains charging interface and a solar charging interface. And in various charging modes, the electric energy sources are more abundant and flexible.
Furthermore, the bottom of the box body is provided with universal wheels. The universal wheels can facilitate the movement of the household power supply system, and the household use is more convenient.
Further, a sunk decorative part is arranged at the front part of the box body, and the decorative part shields a part of the universal wheel in the up-down direction. The decorative part properly shields the universal wheel, thereby having beautiful effect.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of a home power supply system of the present utility model;
fig. 2 is a schematic structural view (side plate removed) of embodiment 1 of the home power supply system of the present utility model;
fig. 3 is an electrical schematic diagram of embodiment 1 of the home power supply system of the present utility model.
In the figure: 101. a case; 11. a heat radiation port; 102. a battery pack; 103. a universal wheel; 104. a decoration part; 105. a solar charging interface; 106. a mains supply charging interface; 107. national standard five-hole socket; 108. USB+type-C socket; 109. a display screen; 110. a main switch; 111. a handle; 112. an inverter; 113. and a battery management unit.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.
It is noted that relational terms such as "first" and "second", and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without limitation, an element defined by the phrase "comprising one … …" or the like does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The features and capabilities of the present utility model are described in further detail below in connection with the examples.
Embodiment 1 of the home power supply system of the present utility model:
as shown in fig. 1 to 3, the home power system includes a case 101, and the case 101 serves to house and provide protection for a battery pack 102 and the like. In this embodiment, the overall outline of the case 101 is rectangular, the universal wheel 103 is mounted at the bottom of the case 101, and the home power system can be conveniently moved by the universal wheel 103, so that the case 101 can be positioned at a target position, and the universal wheel 103 is a locked universal wheel. In order to partially shield the universal wheel 103 for aesthetic effect, the front bottom of the case 101 is provided with a decorative portion 104 formed of a sinking structure, and the decorative portion 104 has a substantially trapezoidal shape. A charging interface and a discharging interface are arranged on the front side wall of the box body 101, wherein the charging interface is divided into a solar charging interface 105 and a commercial power charging interface 106, and charging sockets are adopted for the solar charging interface 105 and the commercial power charging interface 106. The discharging interface comprises two national standard five-hole sockets 107 and a USB+type-C socket 108, so that the requirements of different electric equipment can be met.
A slope is provided at the top of the front side of the case 101, on which a touch display screen 109 is provided for controlling the power supply system, and a main switch 110 is also provided. A handle 111 is provided at the top of the rear side of the case 101, and the handle 111 extends rearward and protrudes beyond the rear side wall of the case 101. When the rear side wall of the case 101 is placed against the wall, the rear side wall of the case 101 can be prevented from being stuck to the wall due to the limit function of the handle 111, and further the heat radiation port 11 provided on the rear side wall of the case 101 can be prevented from being blocked by the wall.
Three layers of spaces are arranged in the box body 101, wherein battery packs 102 are arranged in the two spaces below, an inverter 112 is arranged in the space above, the number of the battery packs 102 is two, each battery pack 102 is provided with two battery modules, the two battery packs 102 are mutually connected in parallel, and each battery pack 102 is composed of 8 lithium batteries connected in series. The inverter 112 is a bi-directional inverter, and the inverter 112 can store commercial power or 57V solar power in the battery pack 102, so that when an external electric appliance needs to supply power, the electric power is supplied to an external load through the inverter 112 to meet different power supply requirements. A space is provided between the rear side of the battery pack 102 and the rear side wall of the case, and the battery management unit 113 (16 strings of protection plates) of the battery pack 102 is fixed on the inner wall of the case 101, in this embodiment, the battery management unit 113 of the battery pack 102 is directly fixed on the frame of the case 101, and no special mounting seat is provided. After the installation is completed, the height of the battery management unit 113 is higher than that of the corresponding battery pack 102, so that the influence of heat generation of the battery pack 102 can be avoided to the greatest extent. The heat radiation fan of the inverter 112 is arranged opposite to the heat radiation opening 11 on the rear side wall of the box body 101, so that heat generated in the working process can be forcedly discharged out of the box body 101, and the normal and reliable operation of other components is ensured.
When the household power supply system is used, electric equipment can directly use mains supply to supply power through the inverter bypass, so that the power conversion consumption is reduced, and when the household circuit is in power failure or unstable in voltage, the power supply system can be automatically switched to battery power supply, so that normal operation of an electric appliance is maintained, and seamless switching is realized; the power supply system is provided with a simple and easy-to-operate communication interface, and can be directly connected with a computer to check the current state, so that the power supply system is convenient for daily maintenance and after-sales work; the electric battery pack, the charging module, the discharging module and the like have complete protection strategies, including overcurrent, overvoltage, short circuit and the like, and can ensure the household electricity safety.
Embodiment 2 of the home power supply system of the present utility model:
in embodiment 1 of the home power supply system of the present utility model, the battery management unit is directly and fixedly mounted on the frame of the case, and the difference between this embodiment and embodiment 1 is only that in this embodiment, an installation seat is additionally provided on the inner wall of the case, and the battery management unit is fixedly mounted on the installation seat.
Embodiment 3 of the home power supply system of the present utility model:
in embodiment 1 of the home power system of the present utility model, the battery management unit is mounted on the rear side wall of the case. The present embodiment differs from embodiment 1 only in that in the present embodiment, the battery management unit is provided on the left side wall of the case. Of course, in other embodiments, the battery management unit may also be mounted on the right side wall of the case.
Claims (10)
1. The utility model provides a family power supply system, includes box (101), be equipped with group battery (102), dc-to-ac converter (112) and battery management unit (113) in box (101), dc-to-ac converter (112) are installed in group battery (102) top, its characterized in that, one of them side of group battery (102) with the inner wall interval arrangement of box (101), battery management unit (113) fixed mounting is on the inner wall of box (101) in this side department.
2. A home power supply system according to claim 1, wherein the inner wall of the case (101) is provided with a skeleton, and the battery management unit (113) is fixedly mounted on the corresponding skeleton.
3. A home power system according to claim 1 or 2, characterized in that the battery (102) has at least two layers, each layer of battery (102) being provided with a corresponding battery management unit (113).
4. A home power supply system according to claim 1 or 2, characterized in that the battery management units (113) are at least partially staggered in the up-down direction with respect to the corresponding battery packs (102).
5. A domestic power system according to claim 1 or 2, characterized in that the wall of the housing (101) is provided with a heat sink (11) corresponding to the heat sink fan of the inverter (112), the top of the housing (101) is provided with a handle (111), and the handle (111) extends beyond the wall provided with the heat sink (11).
6. The home power supply system according to claim 5, wherein the battery management unit (113) is provided on an inner wall of the case (101) on a side where the heat radiation port (11) is provided.
7. The household power supply system according to claim 6, wherein the heat radiation opening (11) is arranged on the rear side wall of the box body (101), and a charging interface and a discharging interface are arranged on the front side wall of the box body (101).
8. The home power system of claim 7, wherein the charging interface comprises a mains charging interface (106) and a solar charging interface (105).
9. A home power system according to claim 1 or 2, characterized in that the bottom of the housing (101) is provided with universal wheels (103).
10. The home power supply system according to claim 9, wherein a depressed decorative portion (104) is provided at a front portion of the case (101), and the decorative portion (104) shields a part of the universal wheel (103) in an up-down direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223523715.4U CN219981316U (en) | 2022-12-28 | 2022-12-28 | Household power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223523715.4U CN219981316U (en) | 2022-12-28 | 2022-12-28 | Household power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219981316U true CN219981316U (en) | 2023-11-07 |
Family
ID=88580145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223523715.4U Active CN219981316U (en) | 2022-12-28 | 2022-12-28 | Household power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219981316U (en) |
-
2022
- 2022-12-28 CN CN202223523715.4U patent/CN219981316U/en active Active
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