CN205113224U - On -vehicle module input power monitoring device - Google Patents
On -vehicle module input power monitoring device Download PDFInfo
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- CN205113224U CN205113224U CN201520875400.7U CN201520875400U CN205113224U CN 205113224 U CN205113224 U CN 205113224U CN 201520875400 U CN201520875400 U CN 201520875400U CN 205113224 U CN205113224 U CN 205113224U
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Abstract
The utility model discloses an on -vehicle module input power monitoring device, put the unit including power monitoring treater, main power driving module, sampling resistor, fortune, fortune is put unit, bleeder circuit, power conversion module, reset circuit and clock circuit and is all linked to each other with the power monitoring treater, and the power monitoring treater links to each other with power driving module simultaneously, and then the switching on and turn -offing of drive power type logic switch, and power driving module and main power conversion module link to each other, and main power conversion module's output is on -vehicle module input power monitoring device's output, the power monitoring unit is according to input voltage, the current value gathered, the power supply loop break -make of control module main power source. The utility model discloses power consumption that can the on -vehicle module of real -time supervision when taking place abnormal conditions, turn -offs the power supply of on -vehicle module, can effectively protect the functional circuit of on -vehicle module, improves the excessive pressure carrying capacity of on -vehicle module, prolongs the life of on -vehicle battery.
Description
Technical field
The utility model belongs to vehicle module monitoring technique field, particularly a kind of vehicle module input power control monitor unit.
Background technology
Vehicle module refers to the functional module such as sensor, display terminal, digital instrumentation, controller being arranged on and the equipment such as vehicle, construction machinery and equipment being completed the functions such as parameter acquisition, information transmission, state display, motion control by storage battery power supply.There is the multiple inductive loads such as motor, electro-magnetic pump, valve, relay in vehicle, power on and power down can produce over voltage, heavy current impact to vehicle module instantaneously.Vehicle module reduced over voltage, excess current to the infringement of vehicle module by the input Large Copacity inductance of prime, the protective effect of electric capacity in the past, did not have input power monitoring function, no matter how input power fluctuates, all powered to module power circuit; This kind of method has certain inhibit function for momentary high power pulse shock; but when module is in over voltage mode of operation for a long time; module prime power protecting circuit can be caused cannot to discharge overload energy generation punch through in time, even cause the damage of module power circuit.
In order to compatible different automobile types, vehicle module often adopts 9-36V Width funtion input power to design.For 24V system, there occurs serious under-voltage phenomenon when input voltage is 12V, the normal work of module the electricity of further battery consumption directly can cause module shuts down, may cause the over discharge of vehicle battery, cause system normally to start, shorten the work life of battery.
Utility model content
The purpose of this utility model is to provide a kind of vehicle module input power control monitor unit.
Realizing technical solution of the present utility model is: a kind of vehicle module input power control monitor unit, comprise Power Supply Monitoring treater, main power source driver module, sampling resistor, amplifier unit, bleeder circuit, power transfer module, reset circuit, clock circuit, main power source modular converter and primary protection circuit, described amplifier unit, bleeder circuit, power transfer module, reset circuit and clock circuit are all connected with Power Supply Monitoring treater, Power Supply Monitoring treater is connected with electric power driving module simultaneously, and then the conducting of driving power type logical switch and shutoff, electric power driving module is connected with main power source modular converter, the mouth of main power source modular converter is the mouth of vehicle module input power control monitor unit, the input termination external power supply of primary protection circuit, its mouth is by connecting amplifier unit after sampling resistor, the two ends of sampling resistor connect the positive-negative input end of amplifier unit, and the mouth of primary protection circuit is connected with the input end of bleeder circuit, the input end of power transfer module simultaneously.
The utility model is compared with existing technology, and its remarkable advantage is: 1) device of the present utility model can monitor input voltage value and the current value of vehicle module, the consumption of power of energy Real-Time Monitoring vehicle module; 2) device of the present utility model can arrange voltage, the current value that vehicle module normally works, and when there are abnormal condition, turns off the power supply of vehicle module, protection vehicle module and follow-up equipment.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the functional block diagram of vehicle module input power monitor portion of the present utility model.
Detailed description of the invention
Composition graphs 1, vehicle module input power control monitor unit of the present utility model, comprise Power Supply Monitoring treater 1, main power source driver module 2, sampling resistor 3, amplifier unit 4, bleeder circuit 5, power transfer module 6, reset circuit 7, clock circuit 8, main power source modular converter 9 and primary protection circuit 10, described amplifier unit 4, bleeder circuit 5, power transfer module 6, reset circuit 7 is all connected with Power Supply Monitoring treater 1 with clock circuit 8, Power Supply Monitoring treater 1 is connected with electric power driving module 2 simultaneously, and then the conducting of driving power type logical switch and shutoff, electric power driving module 2 is connected with main power source modular converter 9, the mouth of main power source modular converter 9 is the mouth of vehicle module input power control monitor unit, the input termination external power supply of primary protection circuit 10, its mouth is by connecting amplifier unit 4 after sampling resistor 3, the two ends of sampling resistor 3 connect the positive-negative input end of amplifier unit 4, and the mouth of primary protection circuit 10 is connected with the input end of bleeder circuit 5, the input end of power transfer module 6 simultaneously.
The host processor chip model of described Power Supply Monitoring treater 1 is STM32L100.
The model of described electric power driving module 2 is power switch model is BTS5215L.
The power conversion chip model of described power transfer module 6 is LT3980.
Low energy-consumption electronic device selected by described Power Supply Monitoring treater 1.
The utility model, before the main power conversion circuit of vehicle module, with Power Supply Monitoring treater 1 for core, builds a power supply supervision unit independent of vehicle module function.Low power processor selected by Power Supply Monitoring treater 1, detects input power current value and magnitude of voltage by sampling resistor 3, amplifier unit 4, bleeder circuit 5.When power supply input is in the threshold range of setting, the enable electric power driving module 2 of Power Supply Monitoring treater 1 normally works, and controls vehicle module and normally powers on; When there is overvoltage, under-voltage or over-current phenomenon avoidance, monitoring processor turns off module work main power source by main power source driver module.
User can by the normal working voltage of programming module; when there is overvoltage or under-voltage phenomenon; can cut off the power supply of primary module, can not there is damage situation in protection vehicle module, can not because of the work life of excessive under-voltage damage storage battery because of the impact of power-supply fluctuation.
Low energy-consumption electronic device selected by Power Supply Monitoring treater 1, in running order all the time when outside has on-vehicle battery to input.Power Supply Monitoring treater 1 detects current value and the magnitude of voltage of input power respectively by amplifier unit 4, bleeder circuit 5, thus judges the mode of operation of input power, is controlled the power supply of vehicle module main power source by electric power driving module 2.Before the main power conversion circuit of described vehicle module, with Power Supply Monitoring treater 1 for core, build a power supply supervision unit independent of vehicle module function.
Described input power monitoring unit according to vehicle, can change the upper and lower limit threshold value of the normal working power of vehicle module by program.
Below in conjunction with embodiment, further detailed description is done to the utility model.
Embodiment
The utility model selects the STM32L100 low power processor of STMicroelectronics company to be the primary processor 1 of power supply supervision unit, current sinking under operational mode is 238uA/MHz, under dormant state, drain current is only 0.35uA, controls minimum control system by reset circuit 7, clock circuit 8.Electric power driving module 2 selects the BTS5215 power-type switch of Infineon company, this integrated chip two parallel channels, single channel conducting resistance 90mohms, sustainable working current 3.7A, integrated overheated, overcurrent, short-circuit protection on sheet.Power transfer module 6 selects the LT3980 of LinearTechnology company to be the power circuit conversion chip of power supply supervision unit, this chip operation is in 3.6V-58V wide power input range, the sustainable work of more than 60V, 80V input voltage 1min can be born at most, the vehicle environment of the different stages such as 12V, 24V, 48V can well be met.
Sampling resistor 3 selects high-power metallic mould resistor, by monitoring its both end voltage, can judge input power magnitude of power according to resistance.Electric power driving module 2 is controlled by treater, mainly completes enable or turns off principal current input channel high-power MOS tube, thus completing the drived control function to module main power source feed circuit.
When powering on, first power supply supervision unit powers on, and STM32L100 treater works, and by ADC channel acquisition input supply voltage value, sampling resistor both end voltage value on sheet, compares in real time with the threshold value set in a program.When input power is in setting range, enable electric power driving module 2, powers to module main power source; When exceeding module work voltage, power cutoff driver module 2, module primary power source de-energizes, module from service.When detecting that input power is for a long time below setting threshold, Power Supply Monitoring treater enters park mode, the watt loss of module during to reduce under-voltage.
Device of the present utility model can monitor input voltage value and the current value of vehicle module, the consumption of power of energy Real-Time Monitoring vehicle module.
Claims (5)
1. a vehicle module input power control monitor unit, it is characterized in that, comprise Power Supply Monitoring treater (1), main power source driver module (2), sampling resistor (3), amplifier unit (4), bleeder circuit (5), power transfer module (6), reset circuit (7), clock circuit (8), main power source modular converter (9) and primary protection circuit (10), described amplifier unit (4), bleeder circuit (5), power transfer module (6), reset circuit (7) is all connected with Power Supply Monitoring treater (1) with clock circuit (8), Power Supply Monitoring treater (1) is connected with electric power driving module (2) simultaneously, and then the conducting of driving power type logical switch and shutoff, electric power driving module (2) is connected with main power source modular converter (9), the mouth of main power source modular converter (9) is the mouth of vehicle module input power control monitor unit, the input termination external power supply of primary protection circuit (10), its mouth connects amplifier unit (4) afterwards by sampling resistor (3), the two ends of sampling resistor (3) connect the positive-negative input end of amplifier unit (4), and the mouth of primary protection circuit (10) is connected with the input end of bleeder circuit (5), the input end of power transfer module (6) simultaneously.
2. vehicle module input power control monitor unit according to claim 1, is characterized in that, low energy-consumption electronic device selected by Power Supply Monitoring treater (1).
3. vehicle module input power control monitor unit according to claim 1, is characterized in that, the model of electric power driving module (2) is power switch model is BTS5215L.
4. vehicle module input power control monitor unit according to claim 1, is characterized in that, the power conversion chip model of power transfer module (6) is LT3980.
5. vehicle module input power control monitor unit according to claim 2, is characterized in that, the host processor chip model of Power Supply Monitoring treater (1) is STM32L100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875400.7U CN205113224U (en) | 2015-11-05 | 2015-11-05 | On -vehicle module input power monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875400.7U CN205113224U (en) | 2015-11-05 | 2015-11-05 | On -vehicle module input power monitoring device |
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| Publication Number | Publication Date |
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| CN205113224U true CN205113224U (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520875400.7U Active CN205113224U (en) | 2015-11-05 | 2015-11-05 | On -vehicle module input power monitoring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110389301A (en) * | 2019-08-06 | 2019-10-29 | 宁波吉欧光电科技有限公司 | A kind of vehicle power supply monitoring device |
| CN110962779A (en) * | 2019-11-21 | 2020-04-07 | 驭势科技（北京）有限公司 | Power supply system of automobile and automobile |
| CN114290901A (en) * | 2021-02-26 | 2022-04-08 | 华为数字能源技术有限公司 | Voltage monitoring method, voltage monitoring device and electric automobile |
-
2015
- 2015-11-05 CN CN201520875400.7U patent/CN205113224U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110389301A (en) * | 2019-08-06 | 2019-10-29 | 宁波吉欧光电科技有限公司 | A kind of vehicle power supply monitoring device |
| CN110962779A (en) * | 2019-11-21 | 2020-04-07 | 驭势科技（北京）有限公司 | Power supply system of automobile and automobile |
| CN114290901A (en) * | 2021-02-26 | 2022-04-08 | 华为数字能源技术有限公司 | Voltage monitoring method, voltage monitoring device and electric automobile |
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Address after: 222061 No.18, Shenghu Road, Lianyungang City, Jiangsu Province Patentee after: The 716th Research Institute of China Shipbuilding Corp. Address before: 222061 No.18, Shenghu Road, Lianyungang City, Jiangsu Province Patentee before: 716TH RESEARCH INSTITUTE OF CHINA SHIPBUILDING INDUSTRY Corp. |