CN206211610U - A kind of automobile-used DC charging secondary power system of electric sanitation - Google Patents
A kind of automobile-used DC charging secondary power system of electric sanitation Download PDFInfo
- Publication number
- CN206211610U CN206211610U CN201621303019.4U CN201621303019U CN206211610U CN 206211610 U CN206211610 U CN 206211610U CN 201621303019 U CN201621303019 U CN 201621303019U CN 206211610 U CN206211610 U CN 206211610U
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- CN
- China
- Prior art keywords
- contactor
- modules
- power supply
- connects
- battery management
- 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
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Abstract
The utility model provides a kind of automobile-used DC charging secondary power system of electric sanitation, including battery management system, battery management system connects DC/DC modules by CAN passages, charging pile accessory power supply is connected by contactor, contactor connects Vehicular direct-current power supply simultaneously, Vehicular direct-current power supply connects DC/DC modules simultaneously, and DC/DC modules are connected with electrokinetic cell, and battery management system control D.C. contactor changes the on off operating mode between DC/DC modules and electrokinetic cell.The utility model need not increase power transfer module, directly prevent vehicle-mounted low-tension supply power shortage, additionally it is possible to reduces cost for BMS powers by charging pile.
Description
Technical field
The utility model is related to a kind of charging system, more particularly to a kind of automobile-used DC auxiliary supply system of electric sanitation.
Background technology
The accessory power supply that the direct-current charging post of GB is provided is 12V power supplys, the electric sanitation truck low-tension supply system of large-tonnage
System is commonly 24V systems, and directly BMS systems cannot be supplied with the power supply of charging pile during DC charging, need to increase Power convert mould
Block increases cost.
Utility model content
The technical problems to be solved in the utility model be provide it is a kind of without power transfer module can to BMS charging
DC charging secondary power system, to solve the problems, such as prior art.
In order to solve the above technical problems, the utility model uses following technical scheme：
A kind of automobile-used DC charging secondary power system of electric sanitation, including：Battery management system, battery management system leads to
CAN passages connection DC/DC modules are crossed, charging pile accessory power supply is connected by contactor, contactor connects Vehicular direct-current electricity simultaneously
Source, Vehicular direct-current power supply connects DC/DC modules simultaneously, and DC/DC modules are connected with electrokinetic cell, battery management system control direct current
Contactor changes the on off operating mode between DC/DC modules and electrokinetic cell.
The charging pile accessory power supply is connected to the coil two ends of contactor, switch one end connection battery management of contactor
The power input of system, the other end connects the positive pole of vehicle-mounted low-tension supply, positive pole and the vehicle-mounted low pressure of DC/DC module output ends
The positive pole connection of power supply.
The D.C. contactor connects the positive pole of DC/DC module inputs and the positive pole of electrokinetic cell respectively.
The beneficial effects of the utility model：The utility model need not increase power transfer module, be by charging pile directly
BMS powers, and prevents vehicle-mounted low-tension supply power shortage, additionally it is possible to reduces cost.
Brief description of the drawings
Fig. 1 is circuit diagram of the present utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
As shown in figure 1, the utility model provides a kind of automobile-used DC charging secondary power system of electric sanitation, including battery
Management system, power-supply management system connects DC/DC modules by CAN passages, while connecting charging pile by contactor aids in electricity
Source, contactor connects Vehicular direct-current power supply again, and Vehicular direct-current power supply connects DC/DC modules, DC/DC modules and electrokinetic cell simultaneously
Connection, battery management system is connected between DC/DC modules and electrokinetic cell by D.C. contactor, battery management system control
D.C. contactor changes the on off operating mode between DC/DC modules and electrokinetic cell.
Above-mentioned charging pile accessory power supply is connected to the coil two ends of contactor, switch one end connection cell tube of contactor
The power input of reason system, the other end connects the positive pole of vehicle-mounted low-tension supply, and the positive pole of DC/DC module output ends is low with vehicle-mounted
The positive pole connection of voltage source.
The switch terminals of D.C. contactor connect the positive pole of DC/DC module output ends and the positive pole of electrokinetic cell respectively, and BMS leads to
Cross the coil-end of flash output control D.C. contactor.
As shown in figure 1, when charging, charging pile accessory power supply is the coil power supply of contactor, closes the switch of contactor,
By the electricity supply BMS of vehicle-mounted low-tension supply, BMS sets up signal and starts to charge up after being powered with charging pile accessory power supply, while BMS is controlled
D.C. contactor adhesive processed makes electrokinetic cell for DC/DC module for power supply, and controls DC/DC modules to enable by CAN communication, is car
Carry low-tension supply charge, prevent where low-tension supply power shortage.
Using the utility model of above-mentioned technical proposal, it is not only simple in structure, and low cost.
Above-described is only preferred embodiment of the present utility model, it is noted that for those skilled in the art
For, under the premise of the utility model general idea is not departed from, some changes and improvements can also be made, these should also be considered as
Protection domain of the present utility model.
Claims (3)
1. the automobile-used DC charging secondary power system of a kind of electric sanitation, it is characterised in that including：Battery management system, battery
Management system connects DC/DC modules by CAN passages, and charging pile accessory power supply is connected by contactor, and contactor is connected simultaneously
Vehicular direct-current power supply, Vehicular direct-current power supply connects DC/DC modules simultaneously, and DC/DC modules are connected with electrokinetic cell, battery management system
System control D.C. contactor changes the on off operating mode between DC/DC modules and electrokinetic cell.
2. the automobile-used DC charging secondary power system of a kind of electric sanitation according to claim 1, it is characterised in that：It is described
Charging pile accessory power supply is connected to the coil two ends of contactor, and the power supply of switch one end connection battery management system of contactor is defeated
Enter end, the other end connects the positive pole of vehicle-mounted low-tension supply, and the positive pole of DC/DC module output ends connects with the positive pole of vehicle-mounted low-tension supply
Connect.
3. the automobile-used DC charging secondary power system of a kind of electric sanitation according to claim 1, it is characterised in that：It is described
D.C. contactor connects the positive pole of DC/DC module inputs and the positive pole of electrokinetic cell respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621303019.4U CN206211610U (en) | 2016-11-30 | 2016-11-30 | A kind of automobile-used DC charging secondary power system of electric sanitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621303019.4U CN206211610U (en) | 2016-11-30 | 2016-11-30 | A kind of automobile-used DC charging secondary power system of electric sanitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206211610U true CN206211610U (en) | 2017-05-31 |
Family
ID=58751023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621303019.4U Expired - Fee Related CN206211610U (en) | 2016-11-30 | 2016-11-30 | A kind of automobile-used DC charging secondary power system of electric sanitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206211610U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107571752A (en) * | 2017-09-04 | 2018-01-12 | 东风柳州汽车有限公司 | Fast charge stake accessory power supply charging method |
| CN109050256A (en) * | 2018-07-12 | 2018-12-21 | 苏州舜唐新能源电控设备有限公司 | Electric car auxiliary power unit |
-
2016
- 2016-11-30 CN CN201621303019.4U patent/CN206211610U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107571752A (en) * | 2017-09-04 | 2018-01-12 | 东风柳州汽车有限公司 | Fast charge stake accessory power supply charging method |
| CN109050256A (en) * | 2018-07-12 | 2018-12-21 | 苏州舜唐新能源电控设备有限公司 | Electric car auxiliary power unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20201130 |