CN211107281U - Double-battery isolation protection device - Google Patents
Double-battery isolation protection device Download PDFInfo
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- CN211107281U CN211107281U CN201921919154.5U CN201921919154U CN211107281U CN 211107281 U CN211107281 U CN 211107281U CN 201921919154 U CN201921919154 U CN 201921919154U CN 211107281 U CN211107281 U CN 211107281U
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- protection device
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- isolation protection
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Abstract
The utility model relates to a two battery isolation protection device is connected with main storage battery, vice storage battery, generator, dc-to-ac converter, two battery isolation protection device include the button of input manual control instruction, through the break-make with main storage battery vice storage battery with generator dc-to-ac converter be connected the MOS pipe that constitutes the return circuit, based on the controller of manual control instruction control MOS pipe break-make. The utility model discloses a MOS pipe replaces the switching that the relay realized two storage batteries, has solved connection between two storage batteries and energy switching in-process contact striking sparks, mechanical wear scheduling problem, and the product has advantages such as small, installed, longe-lived, safe and reliable.
Description
Technical Field
The utility model relates to a double-battery isolation protection device used on a car/caravan.
Background
Along with the continuous development of market economy and tourism industry, more and more people advocate free running, and the free running of motor homes is also synchronously developed into necessary products of the times, but also provides more and more requirements for the tourism of the motor homes: if the motor home must be equipped with the required facilities such as household electrical appliances of daily life, this has proposed higher requirement to the consumer of motor home, the requirement of supplying power for a long time promptly, need to guarantee the long-time driving power supply of motor home promptly, also need to guarantee the power consumption demand of the inside household electrical appliances of motor home facility. Therefore, the battery power supply time, the power supply requirement and the like must be automatically switched through intelligent equipment.
On the existing market, the car as a house storage battery can generally be equipped with 2, and the switching of two storage batteries use and charge is realized through the isolator in former car storage battery (main storage battery) and back dress storage battery (vice storage battery). Most battery isolators in the market at present use relay control, and the control of the relay is realized by adopting hardware wiring, and the battery isolators are widely used due to simple use and low price. However, since the relay is switched by means of mechanical contacts, mechanical abrasion, arc burn, etc. occur, and there is a problem of jitter, and reliability and maintainability are poor.
Disclosure of Invention
The utility model aims at providing a can solve the problem that relay formula isolator exists, safe and reliable's two storage battery isolation protection device.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a double-battery isolation protection device is connected with a main battery, an auxiliary battery, a generator and an inverter and comprises a button for inputting a manual control command, an MOS (metal oxide semiconductor) tube for connecting the main battery/the auxiliary battery with the generator/the inverter to form a loop through on-off and a controller for controlling the on-off of the MOS tube based on the manual control command.
The double-battery isolation protection device further comprises a voltage detection module for detecting the voltage of the main battery/the auxiliary battery, the voltage detection module is connected with the controller, and the controller controls the on-off of the MOS tube based on the voltage state of the main battery/the auxiliary battery.
The controller is also connected with the generator and starts the double-battery isolation protection device according to the state of the generator.
The controller is also connected with an emergency control signal and starts the double-battery isolation protection device according to the emergency control signal.
The double-battery isolation protection device further comprises a current detection module for detecting the current of the main battery/the auxiliary battery, the current detection module is connected with the controller, and the controller controls the on-off of the MOS tube based on the current state of the main battery/the auxiliary battery.
The double-battery isolation protection device is applied to the motor home.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the utility model discloses a MOS pipe replaces the switching that the relay realized two storage batteries, has solved connection between two storage batteries and energy switching in-process contact striking sparks, mechanical wear scheduling problem, and the product has advantages such as small, installed, longe-lived, safe and reliable.
Drawings
Fig. 1 is a schematic diagram of the double-battery isolation protection device of the utility model.
Fig. 2 is a wiring diagram of the double-battery isolation protection device of the utility model.
Fig. 3 is a flow chart of the work of the double-battery isolation protection device of the utility model.
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings.
The first embodiment is as follows: as shown in attached figures 1 and 2, the double-battery isolation protection device connected with the main battery, the auxiliary battery, the generator and the inverter comprises a button for inputting a manual control command, an MOS (metal oxide semiconductor) tube for connecting the main battery/the auxiliary battery with the generator/the inverter to form a loop through on-off, and a controller for controlling the on-off of the MOS tube based on the manual control command. The MOS tube is used for replacing the existing mechanical relay.
The double-battery isolation protection device further comprises a voltage detection module for detecting the voltage of the main battery/the auxiliary battery, the voltage detection module is connected with the controller, and the controller controls the on-off of the MOS tube based on the voltage state of the main battery/the auxiliary battery.
The controller is also connected with the generator and starts the double-battery isolation protection device according to the state of the generator.
The controller is also connected with an emergency control signal and starts the double-battery isolation protection device according to the emergency control signal.
The double-battery isolation protection device further comprises a current detection module for detecting the current of the main battery/the auxiliary battery, the current detection module is connected with the controller, and the controller controls the on-off of the MOS tube based on the current state of the main battery/the auxiliary battery.
As shown in the attached figure 3, the working principle of the double-battery isolation protection device is as follows: after electrification, whether a button is pressed down is detected, if the button is pressed down, a manual mode is entered, the mode that the button is pressed down is short-time pressing, the controller controls the MOS tube to be connected, and if the mode that the button is pressed down is long-time pressing, the system is reset. If the button is not pressed, the automatic mode is entered, the voltage of the main storage battery and the voltage of the auxiliary storage battery are respectively detected through the voltage detection module, if the abnormal conditions occur, the MOS tube controlled by the controller is cut off, if the abnormal conditions occur, the normal conditions occur, and a signal pin connected with the generator has a signal (namely, the motor works normally), the MOS tube is controlled by the controller to be conducted, and if the abnormal conditions do not occur, the MOS tube is controlled by the controller to be conducted after delaying for three minutes.
The double-battery isolation protection device is usually applied to the motor home, so that the connection state between the main battery and the auxiliary battery on the motor home is switched. And the voltage and the current of the two storage batteries are detected, so that the all-round protection of the level can be realized.
The double-battery isolation protection device has the advantages of strong stability, long service life, small size and the like. The double-battery isolation protection device is integrated into an integrated device, so that economic benefits and social benefits can be better optimized.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (6)
1. The utility model provides a two battery isolation protection device, is connected its characterized in that with main battery, vice battery, generator, dc-to-ac converter: the double-battery isolation protection device comprises a button for inputting a manual control command, an MOS (metal oxide semiconductor) tube for connecting the main battery/the auxiliary battery with the generator/the inverter to form a loop through on-off, and a controller for controlling the on-off of the MOS tube based on the manual control command.
2. The double-battery isolation protection device of claim 1, wherein: the double-battery isolation protection device further comprises a voltage detection module for detecting the voltage of the main battery/the auxiliary battery, the voltage detection module is connected with the controller, and the controller controls the on-off of the MOS tube based on the voltage state of the main battery/the auxiliary battery.
3. The double-battery isolation protection device of claim 1, wherein: the controller is also connected with the generator and starts the double-battery isolation protection device according to the state of the generator.
4. The double-battery isolation protection device of claim 1, wherein: the controller is also connected with an emergency control signal and starts the double-battery isolation protection device according to the emergency control signal.
5. The double-battery isolation protection device of claim 1, wherein: the double-battery isolation protection device further comprises a current detection module for detecting the current of the main battery/the auxiliary battery, the current detection module is connected with the controller, and the controller controls the on-off of the MOS tube based on the current state of the main battery/the auxiliary battery.
6. The double-battery isolation protection device of claim 1, wherein: the double-battery isolation protection device is applied to the motor home.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921919154.5U CN211107281U (en) | 2019-11-08 | 2019-11-08 | Double-battery isolation protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921919154.5U CN211107281U (en) | 2019-11-08 | 2019-11-08 | Double-battery isolation protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211107281U true CN211107281U (en) | 2020-07-28 |
Family
ID=71716495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921919154.5U Active CN211107281U (en) | 2019-11-08 | 2019-11-08 | Double-battery isolation protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211107281U (en) |
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2019
- 2019-11-08 CN CN201921919154.5U patent/CN211107281U/en active Active
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