CN204538794U - A kind of vehicle power power supply management box - Google Patents
A kind of vehicle power power supply management box Download PDFInfo
- Publication number
- CN204538794U CN204538794U CN201520201099.1U CN201520201099U CN204538794U CN 204538794 U CN204538794 U CN 204538794U CN 201520201099 U CN201520201099 U CN 201520201099U CN 204538794 U CN204538794 U CN 204538794U
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- China
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- power supply
- circuit
- storage battery
- automobile storage
- lithium battery
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- Y02B60/50—
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a kind of vehicle power power supply management box, its with automobile storage battery power supply and the solar panel being arranged at management box outside be connected, this management box inside comprises automobile storage battery power supply sample circuit, two charge management circuits, two lithium batteries, two lithium battery sample circuits, two reduction voltage circuits, power output circuit, microprocessor, wireless communication module, temperature sensor, temperature sampling circuit, control switch are some.The utility model is managed by microprocessor intelligence, two cover lithium battery systems are used to realize the utilization to greatest extent of solar recharging, the use of lithium battery decreases automobile storage battery use duration after a stoppage, solves short problem in the cruising time of vehicle-mounted load system when stopping at present.In addition, the utility model also possesses lithium battery high temperature protection and automobile storage battery health use protection.The utility model product meets the energy-saving and environmental protection theory of car networking development.
Description
Technical field
The utility model relates to a kind of vehicle power power supply management box, belongs to power supply charge-discharge control circuit technical field.
Background technology
In recent years, along with popularizing of automobile, people more and more pay attention to automotive safety, auto Life.Along with mobile unit is abundant with development, particularly this kind of long-acting use equipment of the monitor system in automobile pours into market, but its power supply management especially stop after electric energy and power supply management be the problem perplexing whole industry always.Traditional approach relies on merely automobile batteries (also claiming automobile storage battery) to power, greatly can reduce the life-span of automobile batteries like this, certain loss is caused to user, the utility model effectively make use of solar energy, and to the rational discharge and recharge of standby lithium battery, solve this problem to a great extent.
Summary of the invention
The purpose of this utility model is open a kind of vehicle power power supply management box, be specially a kind of aim at parking after the automobile-used load system that works on the management box of power supply is provided.To solve after stopping by the limited problem of automobile storage battery Power supply, reach extend load stop after the target of operating time, and indirect protection automobile storage battery.
Technical scheme:
A kind of vehicle power power supply management box, be connected with automobile storage battery power supply, it is characterized in that: comprising: the solar panel being arranged at management box outside, be arranged at the automobile storage battery power supply sample circuit of management box inside, two charge management circuits, two lithium batteries, two lithium battery sample circuits, two reduction voltage circuits, power output circuit, microprocessor, wireless communication module, temperature sensor, temperature sampling circuit, control switch are some; Wherein:
Described automobile storage battery power supply, solar panel are respectively by two way control switch of parallel connection, be connected with two charge management circuits, each charge management circuit connects a lithium battery, a control switch in order, then be connected to a reduction voltage circuit, this reduction voltage circuit output is by connecting power output circuit after control switch;
Described automobile storage battery power supply also directly connects another reduction voltage circuit, and its output is connected with power output circuit by after control switch;
Described automobile storage battery power supply sample circuit is connected with automobile storage battery power supply; Described lithium battery sample circuit is connected with lithium battery; Described temperature sampling circuit is connected with temperature sensor; The output of described automobile storage battery power supply sample circuit, lithium battery sample circuit, temperature sampling circuit all accesses microprocessor;
Described microprocessor and wireless communication module communicate to connect, and control output end connects each control switch.
Further optimization, described lithium battery charging management circuit is PWM decompression mode Charge Management integrated circuit.Wherein: PWM refers to pulse-width modulation, this charging circuit specifically can adopt the model released as rhythm electronics corporation to be the PWM decompression mode Charge Management integrated circuit of CN3722, there is solar cell MPPT maximum power point tracking function, thus the solar energy under effectively utilizing rear different location different light of stopping to regulate.
Further optimization, described reduction voltage circuit comprises the adjustable step-down chip of TPS54340.Namely, the model that this reduction voltage circuit adopts Texas Instrument to release is that the adjustable step-down chip of TPS54340 is built.
Further optimization, described temperature sensor is single line temperature sensor.For controlling the discharge and recharge temperature monitoring of lithium battery.
The advantage that the utility model has and the beneficial effect after implementing:
1, the utility model adds lithium battery backup, can avoid or reduce automobile storage battery after a stoppage to the powered operation time of vehicle-mounted power consumption equipment, and available protecting automobile storage battery, extends its working life.
2, the utility model has accessed solar panel, and has two-way lithium battery charging circuit system, and each charging system comprises lithium battery sample circuit, is conducive to the scientific management of microprocessor to charging and discharging lithium battery, improves the utilance of solar energy.Namely pass through microcontroller acquires voltage through AD conversion, control the charge and discharge switch of lithium battery, realize having a road lithium battery to be in solar charging electricity condition all the time, a road lithium battery is in discharge condition, effectively utilizes solar energy by day under solar light irradiation condition.
3, the utility model is owing to comprising automobile storage battery power supply sample circuit, by microcontroller acquires voltage through AD conversion, according to change in voltage, micro-process judges that Current vehicle is in traveling or dead ship condition, as: it is transport condition that voltage is greater than 13.2V, when voltage is less than 13V, judge to be in dead ship condition.Microprocessor can be powered to the automobile storage battery under different running status enforcement scientific management, if transport condition, can be 2 road lithium cell chargings simultaneously; If under dead ship condition, stop lithium cell charging.
4, also automobile storage battery power supply sample circuit and lithium battery sample circuit is comprised just because of the utility model, after electric quantity of lithium battery discharges, when changing by automobile storage battery continuation power supply, microprocessor can according to pre-setting battery low fulgurite reason voltage, carry out control cell discharge voltage, once automobile storage battery corona discharge reaches this threshold value, management box initiatively cuts off battery discharging circuit, thus ensures that automobile storage battery is in health status.
5, the utility model is due to temperature sensor, temperature sampling circuit; in time lithium battery temperature information in management box can be supplied to microprocessor; by micro-process lithium battery high temperature protection; namely when temperature exceedes the tolerable temperature of lithium battery; control lithium battery and stop charge/discharge operation; change by automobile storage battery Power supply, ensure Product Safety.
6, the utility model also uses wireless communication module, facilitates user and vehicle power power supply management box to set up radio communication service, as parameter and data exchange etc.
Accompanying drawing explanation
Fig. 1 structure composition of the present utility model schematic diagram
Fig. 2 electric source topology control logic of the present utility model block diagram
Fig. 3 Microprocessor S3C44B0X logic diagram of the present utility model
In figure:
1---solar panel; 2---automobile storage battery; 3.1 ~ 3.8---control switch; 4.1,4.2---charge management circuit; 5.1,5.2---lithium battery; 6.1,6.2---lithium battery sample circuit; 6.3---automobile storage battery power supply sample circuit; 6.4---temperature sampling circuit; 7.1,7.2---reduction voltage circuit; 8---power output circuit; 9---microprocessor; 10---temperature sensor; 11---wireless communication module
Embodiment:
We combine to illustrate and are specifically described the utility model below:
Fig. 1 is the utility model structure composition schematic diagram, describes a kind of vehicle power power supply management box, comprising: be arranged at the solar panel 1 of this management box outside, automobile storage battery 2; Be arranged at the automobile storage battery power supply sample circuit 6.3 of management box inside, charge management circuit 4.1,4.2, lithium battery 5.1,5.2, lithium battery sample circuit 6.1,6.2, reduction voltage circuit 7.1,7.2, power output circuit 8, microprocessor 9, wireless communication module 11, temperature sensor 10, temperature sampling circuit 6.4.Wherein, charge management circuit 4.1,4.2 all adopts the PWM decompression mode Charge Management integrated circuit of CN3722, and reduction voltage circuit 7.1,7.2 all adopts the adjustable step-down chip of TPS54340 to build; Temperature sensor 10 is single line temperature sensor.For realizing the Energy control of management box, it is some that the utility model also comprises the control switch controlled by microprocessor 9, as implemented shown in illustration 3, comprise control switch 3.1,3.2,3.3,3.4,3.5,3.6,3.7,3.8, be designated as control switch U1, U2, U3, U4, U5, U6, U7, U8 respectively.
Fig. 2 is electric source topology control logic block diagram of the present utility model, specifically introduces the utility model and respectively forms connection and control planning.As shown in Figure 2: the power input of automobile storage battery 2 connects charge management circuit 4.1 by control switch U4, connects charge management circuit 4.2 by U2; The power input of solar panel 1 connects charge management circuit 4.1 by control switch U1, connects charge management circuit 4.2 by U3; Charge management circuit 4.1 is connected with reduction voltage circuit 7.1 after connecting lithium battery 5.1, control switch U5 in order, and after charge management circuit 4.2 connects lithium battery 5.2, control switch U6 in order, then be also attempted by reduction voltage circuit 7.1, this reduction voltage circuit output is by connecting power output circuit 8 after control switch U7; The power supply of automobile storage battery 2 also directly connects another reduction voltage circuit 7.2, and its output is by being connected with power output circuit 8 after control switch U8.
For the ease of power management and control, the utility model includes automobile storage battery power supply, lithium battery voltage sampling and the temperature sampling of management box, as shown in Figure 2, automobile storage battery power supply sample circuit 6.3 is connected on automobile storage battery 2 power circuit, lithium battery sample circuit 6.1,6.2 connects lithium battery 5.1,5.2 respectively, and temperature sampling circuit 6.4 is connected with temperature sensor 10.As shown in Figure 3, each collection signal all inputs to microprocessor 9, microprocessor 9 exports the control to switch U1, U2, U3, U4, U5, U6, U7, U8, and microprocessor 9 of the present utility model also connects wireless communication module 11, the data radio communication of convenience and external equipment and user.
According to the utility model, by realizing the logic control of vehicle power scientific management with under type.System judges current vehicle condition according to automobile storage battery power supply sample circuit 6.3, be transport condition as voltage is greater than 13.2V, now Microprocessor S3C44B0X switch U2 and U4 is in on-state, control switch U1 and U3 is in off-state, utilizes automobile storage battery power supply automobile storage battery power supply to be lithium cell charging.Close lithium battery power supply to export, control switch U5 and U6 is in off-state simultaneously; Connect automobile storage battery switch of power supply output U8.When voltage is less than 13V, judge to be in dead ship condition, now microprocessor closing automobile storage battery charging, now control switch U2, U4 is in off-state, again according to lithium battery sampling 6.1 and 6.2, judge two road electric quantity of lithium battery states, as judged, lithium battery 5.1 is in the state of working to the last minute, lithium battery 5.2 is in power shortage state, micro-processing controls switch U1 and U6 is in off-state, U3, U5 and U7 is in on-state, namely control lithium battery 5.1 and be in discharge condition, lithium battery 5.2 is in solar charging electricity condition, otherwise, then correspondence is adjusted to lithium battery 5.2 and is in discharge condition, lithium battery 5.1 is in solar charging electricity condition, when judging current lithium battery 5.1, lithium battery 5.2 is all in power shortage state, then control switch U7 disconnects, and connects U8, stops lithium battery power supply, by automobile storage battery Power supply.In addition, the temperature sampling circuit 6.4 that the utility model comprises, when system judges that temperature exceedes the tolerance temperature of lithium battery, as higher than 60 DEG C, control lithium battery stopping charge/discharge operation, also change by automobile storage battery Power supply.In automobile storage battery Power supply situation, judge that automobile storage battery corona discharge reaches emergency exit threshold value once system according to automobile storage battery power supply sample circuit 6.3, system initiatively cuts off battery discharging circuit, thus ensures that automobile storage battery is in health status.
The utility model is in implementation process, fully and reasonably make use of automobile storage battery power supply and sun-generated electric power, very large program solves the power supply storage battery problem of the monitor system in automobile, there is intelligent power charge and discharge control and radio communication function, meet the energy-saving and environmental protection theory of car networking development.
Claims (4)
1. a vehicle power power supply management box, be connected with automobile storage battery power supply, it is characterized in that: comprising: the solar panel being arranged at management box outside, be arranged at the automobile storage battery power supply sample circuit of management box inside, two charge management circuits, two lithium batteries, two lithium battery sample circuits, two reduction voltage circuits, power output circuit, microprocessor, wireless communication module, temperature sensor, temperature sampling circuit, control switch are some;
Wherein:
Described automobile storage battery power supply, solar panel are respectively by two way control switch of parallel connection, be connected with two charge management circuits, each charge management circuit connects a lithium battery, a control switch in order, then be connected to a reduction voltage circuit, this reduction voltage circuit output is by connecting power output circuit after control switch;
Described automobile storage battery power supply also directly connects another reduction voltage circuit, and its output is connected with power output circuit by after control switch;
Described automobile storage battery power supply sample circuit is connected with automobile storage battery power supply; Described lithium battery sample circuit is connected with lithium battery; Described temperature sampling circuit is connected with temperature sensor; The output of described automobile storage battery power supply sample circuit, lithium battery sample circuit, temperature sampling circuit all accesses microprocessor;
Described microprocessor and wireless communication module communicate to connect, and control output end connects each control switch.
2. vehicle power power supply management box according to claim 1, is characterized in that: described charge management circuit is PWM decompression mode Charge Management integrated circuit.
3. vehicle power power supply management box according to claim 1, is characterized in that: described reduction voltage circuit comprises the adjustable step-down chip of TPS54340.
4. vehicle power power supply management box according to claim 1, is characterized in that: described temperature sensor is single line temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520201099.1U CN204538794U (en) | 2015-04-02 | 2015-04-02 | A kind of vehicle power power supply management box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520201099.1U CN204538794U (en) | 2015-04-02 | 2015-04-02 | A kind of vehicle power power supply management box |
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| Publication Number | Publication Date |
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| CN204538794U true CN204538794U (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520201099.1U Expired - Fee Related CN204538794U (en) | 2015-04-02 | 2015-04-02 | A kind of vehicle power power supply management box |
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| CN (1) | CN204538794U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378434A (en) * | 2018-12-24 | 2019-02-22 | 浙江奥柯奈伊数字技术有限公司 | Automobile postposition lithium battery management system and automobile power supply system |
| CN109861320A (en) * | 2018-12-28 | 2019-06-07 | 深圳市无我网络技术有限公司 | A kind of detection control method for car emergency startup power supply |
-
2015
- 2015-04-02 CN CN201520201099.1U patent/CN204538794U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378434A (en) * | 2018-12-24 | 2019-02-22 | 浙江奥柯奈伊数字技术有限公司 | Automobile postposition lithium battery management system and automobile power supply system |
| CN109861320A (en) * | 2018-12-28 | 2019-06-07 | 深圳市无我网络技术有限公司 | A kind of detection control method for car emergency startup power supply |
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