CN209515944U - A kind of heating voltage control circuit and automobile - Google Patents
A kind of heating voltage control circuit and automobile Download PDFInfo
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- CN209515944U CN209515944U CN201920547422.9U CN201920547422U CN209515944U CN 209515944 U CN209515944 U CN 209515944U CN 201920547422 U CN201920547422 U CN 201920547422U CN 209515944 U CN209515944 U CN 209515944U
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- voltage
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- heating
- mould group
- electrically connected
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The utility model discloses a kind of heating voltage control circuit and automobile, heating voltage control circuit includes: heating module, voltage adjusting mould group and startup power supply, wherein anode the first bus of connection of heating module, cathode connect the second bus；The output end connection voltage of startup power supply adjusts the input terminal of mould group；Voltage adjusts anode the first bus of connection of the output end of mould group, and cathode connects the second bus；The startup power supply adjusts mould group input supply voltage to voltage, and voltage adjusts mould group and the supply voltage is converted to the voltage of scheduled voltage range, and is exported by the first bus and the second bus to ground charger；The ground charger is exported the voltage of scheduled voltage range as constant voltage signal to the first bus, and heating module is connected after receiving the constant voltage signal.The utility model realizes that the voltage for heater of ground charger output breaks through the limitation of power battery voltage, and it is controllable to realize heating voltage.
Description
Technical field
The utility model relates to automobile power cell technical field more particularly to a kind of heating voltage control circuits.
Background technique
Electrical core of power battery is because of its own characteristic, and the charging current allowed at low ambient temperatures is small, and the charging time is long, mistake
The environment of low temperature even does not allow to charge, and is one of the bottleneck of current Development of Electric Vehicles.If increasing rate of charge by force,
Not only have a significant impact to battery life, more there is the possibility of analysis lithium.With the continuous promotion of battery core performance, allow under low temperature environment
Rate of charge also has small elevation, but the time is still very long.Currently, the mode of main lift low temperature rate is at PACK grades to electricity
Core is heated, and starts charging after proper temperature.But since heater is purely resistive load, power influence by voltage compared with
Greatly, when power battery electricity is lower, the voltage of charging pile output is also corresponding low, cannot play the maximum heating energy of heater
The problem of power, there are heater heating voltage is uncontrollable, and heating time increases.Therefore need to design the controllable electricity of heating voltage
Road makes heating voltage get rid of the constraint of power battery, to promote the heating power of heater, and then promotes adding for power battery
Hot rate.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of heating voltage control circuit and automobile, solves
It is heated using power battery, when power battery electricity is lower, heater maximum heating ability cannot be played, heated
The low problem of rate.
According to the one aspect of the utility model, a kind of heating voltage control circuit is provided, comprising: including heated mould
Group, voltage adjust mould group and startup power supply, wherein anode the first bus of connection of the heating module, cathode connection second
Bus；The output end connection voltage of the startup power supply adjusts the input terminal of mould group；The voltage adjusts the output end of mould group
Anode the first bus of connection, cathode connect the second bus；
The startup power supply adjusts mould group input supply voltage to the voltage, and the voltage adjusts mould group for the power supply
Voltage is converted to the voltage of scheduled voltage range, and is exported by first bus and the second bus to charger；It is described
Charger is exported the voltage of the scheduled voltage range as constant voltage signal to the first bus, and the heating module is receiving
It is connected after to the constant voltage signal.
Optionally, the supply voltage is 12V.
Optionally, the heating module includes heater and heater button, the heater and the heater button
Series connection.
Optionally, it includes DC-DC dc voltage changer that the voltage, which adjusts mould group,.
Optionally, further includes: one end is electrically connected with first bus, the electricity that the other end is electrically connected with second bus
Hold.
According to the another aspect of the utility model, a kind of automobile is provided, comprising: power battery further includes above-mentioned heating
Voltage control circuit；Wherein, the anode of the power battery is electrically connected by current limit module with first bus, and cathode passes through
First switch is electrically connected with second bus.
Optionally, the current limit module includes: current-limiting resistance, second switch and third switch；The current-limiting resistance
One end is electrically connected with the power battery, and the other end is electrically connected with the second switch, the second switch and first mother
Line electrical connection；One end of the third switch is electrically connected with the power battery, and the other end is electrically connected with first bus.
The beneficial effect of the embodiments of the present invention is:
In above scheme, adjusting mould group by using voltage and be converted into increasing by the supply voltage that startup power supply exports is to add
The voltage of scheduled voltage range needed for hot device, and charging is established as request voltage and charger using this raised voltage and is connected
It connects.This embodiment makes the output voltage of charger breach the constraint of power battery voltage, realizes the controllable function of heating voltage
Can, when solving dependence power battery heating in traditional technology, the charging pile output voltage in the case where power battery electricity is low
It is low, the low problem of the caused rate of heat addition, realize by voltage adjust mould group can control bus voltage, and then it is fast to realize heating
The function that rate is controllably promoted gives full play to heater capacity, and then improves the rate of heat addition.
Detailed description of the invention
Fig. 1 shows the structural schematic diagrams of the utility model embodiment；
Description of symbols:
1, heating module；
2, voltage adjusts mould group；
3, charger；
4, startup power supply；
5, power battery；
6, current-limiting resistance；
7, capacitor；
8, third switchs；
9, second switch；
10, heater button；
11, first switch.
12, the first bus；
13, the second bus；
14, current limit module.
Specific embodiment
The exemplary embodiment of the utility model is more fully described below with reference to accompanying drawings.Although showing this in attached drawing
The exemplary embodiment of utility model, it being understood, however, that may be realized in various forms the utility model without should be by here
The embodiment of elaboration is limited.It is to be able to thoroughly understand the utility model, and energy on the contrary, providing these embodiments
It is enough to be fully disclosed to those skilled in the art the scope of the utility model.
As shown in Figure 1, the embodiments of the present invention provide a kind of heating voltage control circuit, comprising: including heating
Mould group 1, voltage adjust mould group 2 and startup power supply 4, wherein anode the first bus 12 of connection of the heating module 1, cathode
Connect the second bus 13；The output end connection voltage of the startup power supply 4 adjusts the input terminal of mould group 2；The voltage adjusts mould
Anode the first bus 12 of connection of the output end of group 2, cathode connect the second bus 13；The startup power supply 4 is to the voltage tune
2 input supply voltage of mould group is saved, the voltage adjusts the electricity that the supply voltage is converted to scheduled voltage range by mould group 2
Pressure, and exported by first bus 12 and the second bus to charger 3；The charger 3 is by the scheduled voltage model
The voltage enclosed is exported as constant voltage signal to the first bus 12, and the heating module 1 is connected after receiving the constant voltage signal.
In the embodiment, using 4 output supply voltage of startup power supply, mould group 2 is adjusted by voltage and converts supply voltage
It at the voltage of scheduled voltage range needed for heating module 1, exports to bus, charger detects busbar voltage, and will inspection
The voltage measured is as constant voltage output to heating module 1, and the heating module 1 is connected after receiving the constant voltage signal, the reality
Applying example realizes that heating voltage is controllable, adjusts the realization of mould group 2 by voltage and exports charger to the heating voltage of heating module 1
Control, improve heating efficiency.
Specifically, further include: one end is electrically connected with first bus 12, and the other end is electrically connected with second bus 13
Capacitor 7；In the embodiment, the capacitor 7 is the natural capacity of automobile.
Further, heating voltage control circuit as described above, the supply voltage are 12V.
In the embodiment, the startup power supply 4 is the emergency starting power supply of automobile, integrates power supply and charge function,
12V supply voltage to voltage is exported using startup power supply 4 and adjusts mould group 2, and mould group 2 is adjusted for 12V supply voltage liter by voltage
The voltage of scheduled voltage range needed for pressure is converted into heating module 1 is exported to bus, and charger detects busbar voltage,
And the voltage that will test as constant voltage output to heating module 1, the heating module 1 is led after receiving the constant voltage signal
It is logical.
Further, the heating module 1 includes heater and heater button 10, the heater and the heater
Switch 10 is connected.
In the embodiment, the heater is the device heated to battery, can be placed close to battery in use, heating
Device switch 10 can control the energization and power-off of heater, close in the constant voltage signal post-heater switch 10 for detecting charger
It closes, heater, which is powered, enters heated condition.
Further, such as an above-mentioned embodiment, it includes DC-DC dc voltage changer that the voltage, which adjusts mould group 2,.
In the embodiment, DC-DC converter is that dc voltage changer is specially boost converter, can be by startup power supply
The DC voltage of 4 outputs carries out boosting inverter to the voltage of preset voltage value range and exports to bus, carries out for charger 3
Detection.
Charging heating process is specific as follows: electric car and charger 3 are established communication → startup power supply 4 and are turned by DC/DC
Parallel operation 2 brings the voltage up rear inlet highway → charger 3 and detects voltage on bus, and detection will be heated by → electric car
Device switch 10 is closed, and request constant-voltage charge → charger 3 requests output constant pressure according to vehicle.Heater 1 is with the output of startup power supply 4
The boosting of 12V supply voltage after voltage of the voltage as request, establish charging connection with charger 3, realization busbar voltage can
Control, the voltage and charger for eliminating the reliance on power battery establish charging connection.Solve power battery voltage it is low when, charger stake
The problem of output voltage also accordingly reduces, and can not reach the specified rate of heat addition.This embodiment achieves control DC/DC converters to be
Control bus voltage can be achieved, and then improve the function of the rate of heat addition, give full play to heater capacity and pass the heat of generation
Pass battery.
The utility model additionally provides a kind of automobile, comprising: power battery 5 further includes above-mentioned heating voltage control circuit；
Wherein, the anode of the power battery 5 is electrically connected by current limit module 14 with first bus 12, and cathode passes through first switch
11 are electrically connected with second bus 13.
Specifically, the current limit module 14 includes: current-limiting resistance 6, second switch 9 and third switch 8；The current limliting electricity
One end of resistance 6 is electrically connected with the power battery 5, and the other end is electrically connected with the second switch 9, the second switch 9 and institute
State the electrical connection of the first bus 12；One end of the third switch 8 is electrically connected with the power battery 5, the other end and described first
Bus 12 is electrically connected.
In the embodiment, after the completion of battery heating, heater button 10 is disconnected, and first switch 11 and second switch 9 are closed,
Third switch 8 disconnects, and charger 3 charges to power battery 5, and to prevent the excessive damage battery of immediate current, charge current limliting early period
Mould group 14 starts work, and after electric current to be charged is stablized, third switch 8 is closed, and second switch 9 disconnects, i.e., current limit module 14 is closed,
To protect battery in charging process not to be damaged, extend battery.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" etc. refer to
The orientation or positional relationship shown be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and
Simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construction
And operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is at least two, example
Such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection is also possible to be electrically connected or can communicate with each other；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, the connection inside two elements or the interaction relationship of two elements be can be.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
Above-described is preferred embodiments of the present invention, it should be pointed out that for the ordinary person of the art
For, it can also make several improvements and retouch under the premise of not departing from principle described in the utility model, these are improved and profit
It adorns also within the protection scope of the present utility model.
Claims (7)
1. a kind of heating voltage control circuit, which is characterized in that adjust mould group (2) including heating module (1), voltage and start
Power supply (4), wherein
The anode connection the first bus (12) of the heating module (1), cathode connect the second bus (13)；
The output end connection voltage of the startup power supply (4) adjusts the input terminal of mould group (2)；
The voltage adjusts the anode connection the first bus (12) of the output end of mould group (2), and cathode connects the second bus (13)；
Startup power supply (4) the Xiang Suoshu voltage adjusts mould group (2) input supply voltage, and the voltage adjusts mould group (2) for institute
The voltage that supply voltage is converted to scheduled voltage range is stated, and is exported by first bus (12) and the second bus (13)
To ground charger (3)；The ground charger (3) using the voltage of the scheduled voltage range as constant voltage signal export to
First bus (12), the heating module (1) are connected after receiving the constant voltage signal.
2. heating voltage control circuit according to claim 1, which is characterized in that the power supply electricity of the startup power supply (4)
Pressure is 12V.
3. heating voltage control circuit according to claim 1, which is characterized in that the heating module (1) includes heating
Device and heater button (10), the heater are connected with the heater button (10).
4. heating voltage control circuit according to claim 1, which is characterized in that the voltage adjusts mould group (2) and includes
DC-DC dc voltage changer.
5. heating voltage control circuit according to claim 1, which is characterized in that further include: one end and first mother
Line (12) electrical connection, the capacitor (7) that the other end is electrically connected with second bus (13).
6. a kind of automobile, comprising: power battery (5), which is characterized in that further include the described in any item heating of Claims 1 to 5
Voltage control circuit；
Wherein, the anode of the power battery (5) is electrically connected by current limit module (14) with first bus (12), and cathode is logical
First switch (11) is crossed to be electrically connected with second bus (13).
7. automobile according to claim 6, which is characterized in that the current limit module (14) includes: current-limiting resistance (6),
Two switches (9) and third switch (8)；
One end of the current-limiting resistance (6) is electrically connected with the power battery (5), and the other end is electrically connected with the second switch (9)
It connects, the second switch (9) is electrically connected with first bus (12)；
One end of the third switch (8) is electrically connected with the power battery (5), and the other end is electrically connected with first bus (12)
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920547422.9U CN209515944U (en) | 2019-04-19 | 2019-04-19 | A kind of heating voltage control circuit and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920547422.9U CN209515944U (en) | 2019-04-19 | 2019-04-19 | A kind of heating voltage control circuit and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209515944U true CN209515944U (en) | 2019-10-18 |
Family
ID=68188527
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920547422.9U Active CN209515944U (en) | 2019-04-19 | 2019-04-19 | A kind of heating voltage control circuit and automobile |
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| Country | Link |
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| CN (1) | CN209515944U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112952940A (en) * | 2021-02-07 | 2021-06-11 | 中国第一汽车股份有限公司 | High-voltage charging system and charging method of high-voltage charging system |
-
2019
- 2019-04-19 CN CN201920547422.9U patent/CN209515944U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112952940A (en) * | 2021-02-07 | 2021-06-11 | 中国第一汽车股份有限公司 | High-voltage charging system and charging method of high-voltage charging system |
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