CN214337587U

CN214337587U - Car as a house power protection system

Info

Publication number: CN214337587U
Application number: CN202022915676.7U
Authority: CN
Inventors: 翟宇轩; 郭英; 何俐鹏; 王敏; 黄静雅; 张璐阳; 顾大朋; 钟磊
Original assignee: Hangzhou Vmhstar Technology Co ltd
Current assignee: Hangzhou Vmhstar Technology Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-10-01
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a car as a house power protection system, including the battery, be equipped with battery protection circuit's battery BMS protection shield, air switch and battery display terminal, battery protection circuit has the battery input end, communication end and burden output, battery protection circuit's battery input end connects the battery, air switch's one end is connected to the positive pole of battery, air switch's the other end is positive output, battery display terminal includes screen display control module and display module, screen display control module is connected with battery protection circuit's communication end communication, display module is connected with screen display control module electricity. The utility model has simple and practical design and low cost, the display screen does not need to be arranged on the battery, and the user can be placed at any required position; small volume and saves the space of the motor home.

Description

Car as a house power protection system

Technical Field

The utility model relates to a battery technology field especially relates to a car as a house power protection system.

Background

The car as a house power mainly is applied to car as a house electrical system and uses. The user of the motor home can fully charge the power supply of the motor home before traveling or in the intermittent driving process so as to meet the power supply requirements of equipment such as kitchenware, a refrigerator, an air conditioner, a washing machine and the like during accommodation at night.

The charging mode of the battery in the power supply of the motor home mainly comprises three charging modes of charging commercial power by a charger, charging by a photovoltaic inverter and charging by a motor home starting motor. The photovoltaic charging is mainly used for supplementing power to the battery, and the power for charging the battery is too small due to the installation space limitation and the power limitation of a roof air conditioner and the like.

The battery is placed at a storage cabinet, a trunk, a bed bottom or a specific placement position. The size of the battery determines the size of the storage space and also determines whether the installation of the user is convenient. In addition, lead-acid batteries are mainly used in the current refit plants, the market for subsequent replaceable lead-acid batteries is large, and the internal structure of the motor home can be changed as little as possible for replacement. Therefore, the installation space of the battery in the motor home directly causes the storage space and other spaces of the customer, and the experience degree of the customer is influenced. Therefore, the space of the motor home is limited, and the compactness and miniaturization of the battery structure are particularly important, so that a user can obtain larger use space, and the convenience for installation can be brought to the user.

The existing caravan power supply generally comprises a protection plate and a display screen for protecting the power supply, the structural size is relatively large, and the main current voltage platform is only 12V. The protection board is mostly of a pure hardware structure and has no communication function; the display screen uses coulomb instrument more, and the precision is low, calculates the inaccuracy, and installs on the battery package more, and customer experience feels relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a car as a house power protection system is in order to solve above-mentioned technical problem.

In order to achieve the above purpose, the utility model discloses the technical scheme who adopts is:

the utility model provides a car as a house power protection system, includes the battery, is equipped with battery protection circuit's battery BMS protection shield, air switch and battery display terminal, battery protection circuit has battery input end, communication end and is used for connecting the negative output of output load, battery protection circuit's battery input end connects the battery, and air switch's one end is connected to the positive pole of battery, and air switch's the other end is for being used for connecting the positive output of output load, battery display terminal includes screen display control module and display module, screen display control module is connected with battery protection circuit's communication end communication, and display module is connected with screen display control module electricity.

Preferably, the number of the batteries, the air switch and the battery BMS protection board is at least two, the batteries, the air switch and the battery BMS protection board are correspondingly arranged in groups, the negative output ends of each group are connected in parallel, and the positive output ends of each group are connected in parallel.

Preferably, the battery display terminal comprises an alarm, and the alarm is electrically connected with the screen display control module.

Preferably, the alarm is an indicator light, a buzzer or a combination of the indicator light and the buzzer.

Preferably, the battery display terminal further comprises a maintenance switch, and the maintenance switch is electrically connected with the screen display control module.

Preferably, the battery protection circuit comprises a main control module, a voltage conversion module, a communication module, a charging control module, a voltage and current acquisition module and a temperature acquisition module, wherein the voltage conversion module, the communication module, the charging control module, the voltage and current acquisition module and the temperature acquisition module are respectively and electrically connected with the main control module, and the voltage conversion module, the charging control module, the voltage and current acquisition module and the temperature acquisition module are respectively and electrically connected with the battery through a battery input end.

Preferably, the battery is formed by connecting 4 to 16 battery cores in series.

Compared with the prior art, the utility model has simple and practical design and low cost, the display screen does not need to be arranged on the battery, and the user can place the display screen at any required position; small volume and saves the space of the motor home.

Drawings

Fig. 1 is a schematic structural diagram of the power protection system of the utility model.

In the figure, 1-battery, 2-battery BMS protection board, 3-battery display terminal, 4-air switch, 5-alarm, 6-maintenance switch.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

As shown in fig. 1, a car as a house power protection system, including battery 1, battery BMS protection shield 2, air switch 4 and battery display terminal 3 that are equipped with battery protection circuit, battery protection circuit has battery input end, communication end and is used for connecting the negative output of output load, battery protection circuit's battery input end connects the battery, and the positive one end of air switch 4 is connected to battery 1's positive pole, and air switch 4's the other end is for being used for connecting the positive output of output load, battery display terminal 3 includes screen display control module and display module, screen display control module is connected with battery protection circuit's communication end communication, and display module is connected with screen display control module electricity.

The battery protection circuit is used as a host, acquires relevant data parameters from the battery 1, summarizes the data parameters, sends the data parameters to a screen display control module of the battery display terminal 3 in a communication mode, and finally displays the data parameters on the display module. The communication mode can be wired transmission or wireless transmission; the display module can be a liquid crystal screen or a touch screen. The display module mainly displays battery voltage, temperature, current, charge and discharge states, SOC and the like. Through the utility model discloses, display module need not to lay on the battery, provides the arbitrary place that can see at the user, for example well accuse platform, air conditioner well accuse next door etc. position to convenience of customers uses.

The battery protection circuit can comprise a main control module, a voltage conversion module, a communication module, a charging control module, a voltage and current acquisition module and a temperature acquisition module, wherein the voltage conversion module, the communication module, the charging control module, the voltage and current acquisition module and the temperature acquisition module are respectively electrically connected with the main control module, and the voltage conversion module, the charging control module, the voltage and current acquisition module and the temperature acquisition module are respectively electrically connected with the battery through a battery input end. The voltage conversion module is used for converting the battery voltage into working voltages of 3.3V, 5V, 12V and the like to supply power to the corresponding modules; the charging control module consists of one or more MOS tubes and a plurality of resistance-capacitance elements,

in addition, the battery 1, the air switch 4 and the battery BMS protection board 2 may be provided with at least two and correspond to a group, the negative output terminal of each group is connected in parallel, and the positive output terminal of each group is connected in parallel. In this way, the parallel connection scheme is adopted among the plurality of batteries 1, and the overall capacity can be increased.

In order to remind the user to stop using electricity and charge when the battery is at low voltage, the battery display terminal 3 can be provided with an alarm 5, and the alarm 5 is electrically connected with the screen display control module. Specifically, the alarm 5 may be an indicator light, a buzzer, or a combination of an indicator light and a buzzer.

The battery display terminal 3 can be also connected with a maintenance switch 6, and the maintenance switch 6 is electrically connected with the screen display control module. The maintenance switch 6 is provided with a fuse and a high-voltage interlocking circuit, and can cut off the high voltage in time when the high voltage is short-circuited and broken.

In addition, the battery 1 of the present invention can be formed by connecting 4 to 16 battery cells in series. A general motor home system is formed by connecting 4 battery cells in series to form a 12V voltage platform; the battery cores in the system are connected in series to increase voltage and capacity in parallel, a 48V voltage platform can be formed by a 16-cell battery core series connection mode, and a battery protection circuit on the battery BMS protection board 2 is also provided with a corresponding battery core connection port, so that the battery is protected in the aspects of overvoltage, undervoltage, over-temperature, over-charge, large pressure difference and the like.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. The utility model provides a car as a house power protection system, its characterized in that, includes the battery, is equipped with battery protection circuit's battery BMS protection shield, air switch and battery display terminal, battery protection circuit has battery input end, communication end and is used for connecting the negative output of output load, battery protection circuit's battery input end connects the battery, and air switch's one end is connected to the positive pole of battery, and air switch's the other end is for being used for connecting the positive output of output load, battery display terminal includes screen display control module and display module, screen display control module is connected with battery protection circuit's communication end communication, and display module is connected with screen display control module electricity.

2. The power protection system of claim 1, wherein the battery, the air switch and the battery BMS protection board are correspondingly arranged, the negative output terminals of each set are connected in parallel, and the positive output terminals of each set are connected in parallel.

3. The recreational vehicle power supply protection system of claim 1, wherein the battery display terminal includes an alarm electrically connected to the screen display control module.

4. The power protection system of claim 3, wherein the alarm is an indicator light, a buzzer or a combination of an indicator light and a buzzer.

5. The recreational vehicle power supply protection system of claim 1, wherein the battery display terminal further includes a maintenance switch electrically connected to the screen display control module.

6. The power protection system of claim 1, wherein the battery protection circuit comprises a main control module, a voltage conversion module, a communication module, a charging control module, a voltage and current collection module and a temperature collection module, the voltage conversion module, the communication module, the charging control module, the voltage and current collection module and the temperature collection module are respectively and electrically connected with the main control module, and the voltage conversion module, the charging control module, the voltage and current collection module and the temperature collection module are respectively and electrically connected with the battery through a battery input terminal.

7. The power protection system of any one of claims 1 to 6, wherein the battery is formed by connecting 4 to 16 battery cells in series.