CN209233538U - A kind of secondary power system - Google Patents
A kind of secondary power system Download PDFInfo
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- CN209233538U CN209233538U CN201920184580.2U CN201920184580U CN209233538U CN 209233538 U CN209233538 U CN 209233538U CN 201920184580 U CN201920184580 U CN 201920184580U CN 209233538 U CN209233538 U CN 209233538U
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- voltage
- power system
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Abstract
The utility model provides a kind of secondary power system, and after user presses lower button, electric pressure converter exports 12v burning voltage to host module and battery module respectively, so that host module and battery module are started to work；Host module controls the conducting of the first relay, after user's release button, the first relay constant conduction, electric pressure converter persistently exports 12v voltage, this system works normally, and after the conducting of the first relay, battery module can provide total voltage to external equipment by the first relay.When this system is not necessarily to provide total voltage to external equipment, host module can close the first relay, and the 12v burning voltage of electric pressure converter interrupts, so that host module and battery module, which lose input voltage, enters standby mode.
Description
Technical field
The utility model relates to power technique fields, in particular to a kind of secondary power system.
Background technique
Increasingly raising with people to environmental requirement, lithium battery energy storage battery device is widely used, such as energy-accumulating power station, newly
Energy automobile etc..And one of the core of these energy-storage batteries is exactly battery management system (BMS), for high-voltage energy storage battery (one
As voltage be more than 100V) be generally managed by the way of master/slave BMS.Existing technical solution is required to one individually
Battery as accessory power supply, the disadvantage is that: accessory power supply will increase cost, occupied space, and accessory power supply battery needs fill accordingly
Discharging management circuit also increases cost and increases the complexity of system.The utility model can be cancelled auxiliary by new technical solution
Power supply is helped, the cost of system is reduced.
Utility model content
The utility model provides a kind of secondary power system, to reduce the cost of system.
In order to solve the above technical problems, the utility model proposes a kind of secondary power systems, comprising:
Electric pressure converter is electrically connected, by second output terminal and host module electricity with battery module by the first output end
Connection, for providing constant voltage for the battery module and host module；The electric pressure converter passes through third output end
It is electrically connected with one end of button, the other end of the button is electrically connected with the third input terminal of the first relay；
Battery module is electrically connected with the third input terminal of the first relay, and passes through the output of first relay
It holds to external equipment and exports total voltage；
Host module is electrically connected by first port with the first input end of the first relay, the first relay of Xiang Suoshu
Send control signal；The host module establishes communication connection by CAN bus and the battery module；
First relay is operated for receiving the control signal, and according to the control signal.
In one embodiment, the host module is electrically connected by second port with the input terminal of the second relay, institute
The output end for stating the second relay is electrically connected with the second input terminal of first relay.
In one embodiment, the battery module includes several slave modules, several described slave modules by
A series connection.
In one embodiment, the slave module includes battery management system and battery module.
In one embodiment, second relay is in parallel with the both ends of the button.
In one embodiment, the electric pressure converter include shell and the input wiring board for being disposed in the housing portion,
Export wiring board, switch, protection circuit, transformer, wherein
The switch and output wiring board pass through protection circuit and are electrically connected with transformer；
The input wiring board is electrically connected by enameled wire with transformer；
The controller that the protection circuit includes a resistance and is integrated in micro-control unit, the micro-control unit include
Voltage detection terminal, when voltage detection terminal detects that output voltage is less than default operating voltage, the controller controls the change
Depressor and the host module, battery module disconnect.
In one embodiment, two block baffles are equipped in the shell, shell is divided into chamber one, led to by two block baffle
Wind chamber, chamber two offer several ventilation holes on the shell between two block baffles, wherein
A closed fuel tank is equipped in the vented cavity, the fuel tank is provided with transformer oil；
Input wiring board is equipped in the chamber one；
Output wiring board, switch and protection circuit are equipped in the chamber two.
In one embodiment, it being cased with bellows outside the fuel tank, the both ends of the bellows are connected to fuel tank internal,
And the bellows is externally provided with the cooling fin of several ring shapes.
Other features and advantages of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood and implementing the utility model.The purpose of this utility model and other advantages can pass through
Structure specifically indicated in the written description, claims, and drawings is achieved and obtained.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the circuit diagram of the utility model embodiment；
Fig. 2 is the cross-sectional view of shell in the utility model embodiment.
Appended drawing reference: 1, chamber one；2, vented cavity；3, chamber two；11, circuit is protected；12, wiring board is exported；13, it opens
It closes；21, bellows；22, fuel tank；23, transformer；31, wiring board is inputted.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
The utility model embodiment provides a kind of secondary power system, comprising:
Electric pressure converter is electrically connected, by second output terminal and host module electricity with battery module by the first output end
Connection, for providing constant voltage for battery module and host module；Electric pressure converter passes through third output end and button
One end electrical connection, the other end of button are electrically connected with the third input terminal of the first relay；
Battery module is electrically connected with the third input terminal of the first relay, and by the output end of the first relay to
External equipment exports total voltage；
Host module is electrically connected by first port with the first input end of the first relay, is sent to the first relay
Control signal；Host module establishes communication connection by CAN bus and battery module；
First relay is operated for receiving control signal, and according to control signal.
As shown in Figure 1, in the present embodiment, after user presses lower button, electric pressure converter is respectively to host module and battery
Group module exports 12V burning voltage, so that host module and battery module are started to work；Host module controls the first relay
Conducting, after user's release button, the first relay constant conduction, electric pressure converter persistently exports 12V voltage, and this system is normal
Work, after the conducting of the first relay, battery module can provide total voltage to external equipment by the first relay.When this is
When system is without providing total voltage to external equipment, host module can close the first relay, the 12V burning voltage of electric pressure converter
It interrupts, so that host module and battery module, which lose input voltage, enters standby mode.A list is also needed in the prior art
Only battery is as accessory power supply, and accessory power supply will increase cost, occupied space, and accessory power supply battery needs corresponding charge and discharge
Fulgurite reason circuit also increases cost and increases the complexity of system.The 12V of host module and battery module electricity in this system
Pressure is provided by electric pressure converter, without an individual power supply as accessory power supply, can be reduced the cost of this system, be reduced this
The volume of system.
In one embodiment, host module is electrically connected by second port with the input terminal of the second relay, second after
The output end of electric appliance is electrically connected with the second input terminal of the first relay.
In the present embodiment, whether host module further controls the conducting of the first relay by the second relay.
In one embodiment, battery module includes several slave modules, several slave modules are connected one by one.
In the present embodiment, battery module includes multiple concatenated slave modules, enables battery module to outside
Equipment provides more electric energy.
In one embodiment, slave module includes battery management system and battery module.
In one embodiment, the second relay is in parallel with the both ends of button.
In one embodiment, electric pressure converter includes that shell and the input wiring board 31 for being set in the housing portion, output are inserted
Line plate 12, switch 13, protection circuit 11, transformer 23, wherein
Switch 13 and output wiring board 12 are by protecting circuit 11 to be electrically connected with transformer 23；
Input wiring board 31 is electrically connected by enameled wire with transformer 23；
Protection circuit 11 includes a resistance and the controller being integrated in micro-control unit, and micro-control unit includes voltage inspection
End is surveyed, when voltage detection terminal detects that output voltage is less than default operating voltage, controller controls transformer 23 and host mould
Block, battery module disconnect.
In the present embodiment, the protection circuit 11 in electric pressure converter can also detect the output voltage of electric pressure converter, this
It is needed in embodiment to the voltage that host module and battery module provide is provided to be 12V, therefore when the output of electric pressure converter electricity
When pressure is less than 12V, the controller in circuit 11 i.e. control electric pressure converter and host module, battery module is protected to disconnect, no
Voltage is provided to host module, battery module again.
As shown in Fig. 2, in one embodiment, two block baffles are equipped in shell, shell is divided into chamber one by two block baffles
1, vented cavity 2, chamber 23 offer several ventilation holes on the shell between two block baffles, wherein
A closed fuel tank 22 is equipped in vented cavity 2, fuel tank 22 is provided with transformer oil；
Input wiring board 31 is equipped in chamber 23；
Output wiring board 12, switch 13 and protection circuit 11 are equipped in chamber 1.
In one embodiment, it is cased with bellows 21 outside fuel tank 22, the both ends of bellows 21 connect with inside fuel tank 22
It is logical, and bellows 21 is externally provided with the cooling fin of several ring shapes.
Electric pressure converter provided in this embodiment can either meet the radiating requirements of internal transformer, and can be by internal electricity
Road sealing is separated with transformer 23 avoids moisture from entering.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (8)
1. a kind of secondary power system characterized by comprising
Electric pressure converter is electrically connected with battery module by the first output end, is electrically connected by second output terminal and host module
It connects, for providing constant voltage for the battery module and host module；The electric pressure converter by third output end with
One end of button is electrically connected, and the other end of the button is electrically connected with the third input terminal of the first relay；
Battery module is electrically connected with the third input terminal of the first relay, and by the output end of first relay to
External equipment exports total voltage；
Host module is electrically connected by first port with the first input end of the first relay, and the first relay of Xiang Suoshu is sent
Control signal；The host module establishes communication connection by CAN bus and the battery module；
First relay is operated for receiving the control signal, and according to the control signal.
2. a kind of secondary power system according to claim 1, which is characterized in that
The host module is electrically connected by second port with the input terminal of the second relay, the output end of second relay
It is electrically connected with the second input terminal of first relay.
3. a kind of secondary power system according to claim 2, which is characterized in that
The battery module includes several slave modules, several described slave modules are connected one by one.
4. a kind of secondary power system according to claim 3, which is characterized in that
The slave module includes battery management system and battery module.
5. a kind of secondary power system according to claim 4, which is characterized in that
Second relay is in parallel with the both ends of the button.
6. a kind of secondary power system according to claim 5, which is characterized in that
The electric pressure converter includes shell and the input wiring board for being disposed in the housing portion, output wiring board, switch, protection
Circuit, transformer, wherein
The switch and output wiring board pass through protection circuit and are electrically connected with transformer；
The input wiring board is electrically connected by enameled wire with transformer；
The controller that the protection circuit includes a resistance and is integrated in micro-control unit, the micro-control unit includes voltage
Test side, when voltage detection terminal detects that output voltage is less than default operating voltage, the controller controls the transformer
It is disconnected with the host module, battery module.
7. a kind of secondary power system according to claim 6, which is characterized in that
Two block baffles are equipped in the shell, shell is divided into chamber one, vented cavity, chamber two by two block baffle, is located at two
Several ventilation holes are offered on the shell between block baffle, wherein
A closed fuel tank is equipped in the vented cavity, the fuel tank is provided with transformer oil；
Input wiring board is equipped in the chamber one；
Output wiring board, switch and protection circuit are equipped in the chamber two.
8. a kind of secondary power system according to claim 7, which is characterized in that
It is cased with bellows outside the fuel tank, the both ends of the bellows are connected to fuel tank internal, and the bellows is externally provided with
The cooling fin of several ring shapes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920184580.2U CN209233538U (en) | 2019-02-02 | 2019-02-02 | A kind of secondary power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920184580.2U CN209233538U (en) | 2019-02-02 | 2019-02-02 | A kind of secondary power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209233538U true CN209233538U (en) | 2019-08-09 |
Family
ID=67511147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920184580.2U Active CN209233538U (en) | 2019-02-02 | 2019-02-02 | A kind of secondary power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209233538U (en) |
-
2019
- 2019-02-02 CN CN201920184580.2U patent/CN209233538U/en active Active
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