CN206077228U - A kind of automobile-used voltage voltage-stabilizing device and automobile power supply system - Google Patents
A kind of automobile-used voltage voltage-stabilizing device and automobile power supply system Download PDFInfo
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- CN206077228U CN206077228U CN201621100664.6U CN201621100664U CN206077228U CN 206077228 U CN206077228 U CN 206077228U CN 201621100664 U CN201621100664 U CN 201621100664U CN 206077228 U CN206077228 U CN 206077228U
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Abstract
This utility model is related to a kind of automobile-used voltage voltage-stabilizing device and automobile power supply system, and the automobile-used voltage voltage-stabilizing device includes primary processor and the supply voltage detection module for electrically connecting with the primary processor respectively, booster circuit, mu balanced circuit, Voltage Feedback detection module；The output voltage of supply voltage detection module detection power supply simultaneously exports testing result to primary processor；Booster circuit is connected between power output end and the mu balanced circuit input；The outfan of the mu balanced circuit is connected with the Voltage Feedback detection module input, primary processor according to the output voltage of the testing result and the Voltage Feedback detection module outfan to the booster circuit or/and the mu balanced circuit output control signal, to control the output voltage of the circuit output end of pressure-stabilizing in voltage set point.By this utility model, solve the problems, such as that car load is unstable in shutdown process power supply.
Description
Technical field
This utility model is related to a kind of automobile-used voltage voltage-stabilizing device and automobile power supply system.
Background technology
Car load requires more and more higher to energy-saving effect and comfortableness at present, and the relevant policies that country puts into effect also force car load system
Making business's improved technology reduces oil consumption, reduces oil consumption except by improving in addition to engine combustion efficiency and oil circuit control strategy means,
Start and stop technology is may be incorporated into, but in start and stop technical process is introduced into, needs to consider following influence factor：
1) in start and stop technology implementation procedure, cell voltage moment is pulled low, and electricity consumption is loaded with jitter phenomenon, for vehicle is given pleasure to
Happy instrument system becomes apparent from.
2) when, in electromotor turn off process, inductive load can produce very big inverse electromotive force, so that inductive load is electric
Pressure is increased to original 4-6 times, so as to produce impact injury to normal electric equipment.
3), in start and stop technology implementation procedure, suspending occurs in vehicle air conditioner, and needs restarting, causes power consumption to increase；
And the frequent starting of electric loading is used, cause car load electromagnetic environment to deteriorate.
4) power control system does not have Configuration Online voltage function and updates function in sequence of threads.
For above-mentioned influence factor, how to improve the stationarity that automobile starts repeatedly, improve comfortableness with it is aesthetic, become
One important problem.
Utility model content
This utility model provides a kind of automobile-used voltage voltage-stabilizing device and automobile power supply system, to solve car load in start and stop
The unstable problem of journey power supply.
For achieving the above object, this utility model provides following technical scheme：
A kind of automobile-used voltage voltage-stabilizing device, including primary processor and the power supply electricity for electrically connecting with the primary processor respectively
Pressure detection module, booster circuit, mu balanced circuit, Voltage Feedback detection module；
The output voltage of supply voltage detection module detection power supply simultaneously exports testing result to primary processor；
Booster circuit is connected between power output end and the mu balanced circuit input；
The outfan of the mu balanced circuit is connected with the Voltage Feedback detection module input,
Primary processor is according to the output voltage of the testing result and the Voltage Feedback detection module outfan to described
Booster circuit or/and the mu balanced circuit output control signal, to control the output voltage of the circuit output end of pressure-stabilizing in electricity
In pressure set point.
Preferably, also include：The CAN electrically connected with the primary processor, to realize the program of primary processor
Update.
Preferably, also include：Bypass module, the bypass module are connected to the power output end with the mu balanced circuit
Between outfan, real-time Communication for Power is carried out with the primary processor, and broken down in the booster circuit, mu balanced circuit or main
When processor breaks down, the power output end and circuit output end of pressure-stabilizing are connected.
Preferably, the bypass module includes：
Relay, relay driving chip and from processor；
The Control end is connected between the power output end and the circuit output end of pressure-stabilizing；The relay
Device coil-end is connected between the power output end and the relay driving chip；
The relay driving chip is connected from processor, bonding with described respectively；
It is described to be connected by spi bus from processor with the primary processor.
Preferably, the booster circuit includes：DC boosting module, the first DC filtering circuit；
First DC filtering is electrically connected between the power output end and the DC boosting module input；
The control end of the DC boosting module is electrically connected with the primary processor, so that primary processor control is described
DC boosting module is boosted；
The DC boosting module outfan is electrically connected with the mu balanced circuit.
Preferably, the mu balanced circuit includes：
DC voltage-stabilizing module, the second DC filtering circuit；
The DC voltage-stabilizing module input is electrically connected with the DC boosting module outfan；
The control end of the DC voltage-stabilizing module is electrically connected with the primary processor, so that primary processor control is described
DC voltage-stabilizing module voltage stabilizing；
Second DC filtering is electrically connected to the outfan of the DC voltage-stabilizing module and the Voltage Feedback is detected
Between module.
A kind of automobile power supply system, including Vehicular accumulator cell and vehicle-mounted electrical equipment, also including described in this utility model
Automobile-used voltage voltage-stabilizing device；The input of automobile-used voltage voltage-stabilizing device connects the Vehicular accumulator cell, automobile-used voltage voltage stabilizing dress
The outfan connection vehicle-mounted electricity consumption put is arranged.
Preferably, also include：Fault diagnosis module, the fault diagnosis module are electrically connected with the automobile-used voltage voltage-stabilizing device
Connect, to diagnose the failure of the automobile-used voltage voltage-stabilizing device.
The beneficial effects of the utility model are：
Automobile-used voltage voltage-stabilizing device and automobile power supply system that this utility model is provided, including the inspection of main process task, supply voltage
Survey module, booster circuit, mu balanced circuit and Voltage Feedback detection module；Inspection of the primary processor according to supply voltage detection module
The output of the output voltage control booster circuit or/and mu balanced circuit of result and Voltage Feedback detection module outfan is surveyed, so as to
Ensure the output voltage of the circuit output end of pressure-stabilizing in voltage set point.By this utility model, solve car load and exist
The unstable problem of shutdown process power supply.
Description of the drawings
Fig. 1 is a kind of structural representation of the automobile-used voltage voltage-stabilizing device of this utility model embodiment.
Fig. 2 is booster circuit, mu balanced circuit and supply voltage detection module internal circuit in this utility model embodiment
Schematic diagram.
Fig. 3 is another kind of structural representation of the automobile-used voltage voltage-stabilizing device of this utility model embodiment.
Fig. 4 is the cut-away view of bypass module in this utility model embodiment.
Fig. 5 is a kind of structural representation of this utility model embodiment automobile power supply system.
Labelling in accompanying drawing：
1st, automobile-used voltage voltage-stabilizing device 11, supply voltage detection module 12, primary processor 13, CAN 14,
Booster circuit 15, bypass module 151, relay 152, relay driving chip 153, from processor 16, mu balanced circuit
17th, Voltage Feedback detection module Vin, power output end Vout, circuit output end of pressure-stabilizing 2, Vehicular accumulator cell 3, vehicle-mounted
Electric equipment 4, fault diagnosis module R1, the first divider resistance R2, the second divider resistance C1, the first electric capacity C2, the second electric capacity
C3, the 3rd electric capacity C4, the 4th electric capacity C5, the 5th electric capacity L1, the first inductance C6, the 6th electric capacity C7, the 7th electric capacity D1,
Diode L2, the second inductance
Specific embodiment
In order that those skilled in the art can be further understood that feature of the present utility model and technology contents, with reference to
Drawings and embodiments elaborate to this utility model embodiment.
It is a kind of structural representation of the automobile-used voltage voltage-stabilizing device of this utility model embodiment 1 as shown in Figure 1, including main place
Reason device 12 and the supply voltage detection module 11 for electrically connecting with the primary processor 12 respectively, booster circuit 14, mu balanced circuit
16th, Voltage Feedback detection module 17；Supply voltage detection module 11 detection power supply output voltage and by testing result export to
Primary processor 12；Booster circuit 14 is connected between 16 input of power output end Vin and the mu balanced circuit；The voltage stabilizing electricity
The outfan on road 16 is connected with 17 input of Voltage Feedback detection module, and primary processor 12 is according to the testing result and institute
The output voltage of 17 outfan of Voltage Feedback detection module is stated to the booster circuit 14 or/and the output control of the mu balanced circuit 16
Signal processed, to control the output voltage of 16 output end vo ut of the mu balanced circuit in voltage set point.
It should be noted that in the present embodiment, supply voltage detection module 11 detects the output voltage of power output end Vin
The main input voltage to power output end Vin is filtered processs, obtain primary processor 12 can sample judgement power supply it is electric
Pressure value.Further, in the present embodiment, the circuit of supply voltage detection module 11 can include as shown in Figure 2：First divider resistance
R1, the second divider resistance R2, the first electric capacity C1, the second electric capacity C2 and the 3rd electric capacity C3；Power output end Vin is respectively with first
One end connection of one end of electric capacity C1, one end of the 3rd electric capacity C3 and the first divider resistance R1, the other end of the first electric capacity C1
Electrically connect with one end of the second electric capacity C2, one end of the other end of the first divider resistance R1 and the second divider resistance R2 jointly with master
Processor 12 is electrically connected, and the other end of the 3rd electric capacity C3, the other end of the second electric capacity C2 and the second divider resistance R2's is another
End is connected with bonding.Such as, the first divider resistance R1：It is 100K Ω that precision is 1% resistance；Second divider resistance R2：Precision is
1% resistance is 56K Ω；First electric capacity C1, the second electric capacity C2 and the 3rd electric capacity C3 are 0.1uf.
Further, power to be embodied as primary processor, in the present embodiment, supply voltage detection module can also include：
Linear voltage regulator；The linear voltage regulator input is connected with power output end Vin, and its outfan is connected with primary processor, is passed through
Linear voltage regulator can by the Power convert of power output end Vin for primary processor needs power supply, such as, linear voltage regulator
Model TLE4275.
It should be noted that voltage set point is by input voltage and the automobile-used voltage voltage stabilizing of power output end Vin
In device 1, all parts characteristic is determined, such as, when the input voltage of power output end Vin is often electricity, automobile-used voltage voltage-stabilizing device
When in 1, all parts are conventional power supply setting, voltage set point is 12 ± 0.1V.
Specifically, in this utility model embodiment, supply voltage detection module 11 is conventional voltage checking chip, existing
For the input voltage that power end is different in technology, can there is supporting voltage checking chip to be adapted to which.
Specifically, the booster circuit 14 includes as shown in Figure 2：DC boosting module, the first DC filtering circuit；It is described
First DC filtering is electrically connected between the power output end Vin and the DC boosting module input；The direct current
The control end of boost module is electrically connected with the primary processor, so that the primary processor controls the DC boosting module liter
Pressure；The DC boosting module outfan is electrically connected with the mu balanced circuit.
It should be noted that DC boosting module is conventional booster circuit or chip, its effect is by power output end
The input voltage of Vin lifts predeterminated voltage, and such as, DC boosting module is STD86N3L, when the input voltage of Vin is less than
During 14V, the input voltage of power output end Vin is lifted into 14V；First DC filtering circuit is conventional shaping filter electricity
Road, can ensure that the reliable ripple output of the input power of power output end Vin by the first DC filtering circuit, such as by electricity
The ripple control of the input power of source output terminal Vin is within 200MV；Further, as shown in Fig. 2 the first DC filtering circuit
Including：4th electric capacity C4, the 5th electric capacity C5 and the first inductance L1；Specifically, the first inductance L1 is coiling belt ring inductance, its
Inductance value is 10uf, and the 4th electric capacity C4 and the 5th electric capacity C5 are 470UF/100v.Primary processor passes through supply voltage detection module
11 output voltages for detecting 16 output end vo ut of mu balanced circuit with the output valve of Voltage Feedback detection module 17 are not set in voltage
When determining in scope, the dutycycle of the PWM ripple of DC boosting module is controlled by pid algorithm, so as to control DC boosting module
Output lifts 14V.
Specifically, mu balanced circuit as shown in Figure 2 16 includes：DC voltage-stabilizing module, the second DC filtering circuit；The direct current
Voltage stabilizing module input is electrically connected with the DC boosting module outfan；The control end of the DC voltage-stabilizing module and the master
Processor is electrically connected, so that the primary processor controls the DC voltage-stabilizing module voltage stabilizing；The second DC filtering circuit connects
It is connected between the outfan of the DC voltage-stabilizing module and the Voltage Feedback detection module.
It should be noted that DC voltage-stabilizing module is conventional voltage stabilizing circuit or chip, by DC voltage-stabilizing module
Voltage stabilizing, make the output voltage of 16 output end vo ut of mu balanced circuit in voltage set point, such as DC voltage-stabilizing module is
STD86N3L；Second DC filtering circuit is conventional plastic filter circuit, be can ensure that surely by the second DC filtering circuit
The reliable ripple output of out-put supply of 16 output end vo ut of volt circuit, such as by the output electricity of 16 output end vo ut of mu balanced circuit
The ripple control in source is within 200MV；Second DC filtering circuit includes：6th electric capacity C6, the 7th electric capacity C7, diode D1 with
And the second inductance L2；Specifically, the second inductance L2 is coiling belt ring inductance, and its inductance value is 10uf, the 6th electric capacity C6 and the 7th
Electric capacity C7 is 470UF/100v, and diode model IN4007 is realizing galvanic unilateral conduction.When primary processor leads to
The output valve that supply voltage detection module 11 is crossed with Voltage Feedback detection module 17 detects 16 output end vo ut's of mu balanced circuit
Output voltage not in voltage set point when, by pid algorithm control DC voltage-stabilizing module PWM ripples dutycycle, so as to
The output of control DC voltage-stabilizing module is in voltage set point.
It should be noted that Voltage Feedback detection module 17 is identical with supply voltage detection module 11, it is conventional voltage
The output voltage is simultaneously fed back to main place by detection chip, the output voltage for 16 output end vo ut of real-time detection mu balanced circuit
Reason device, Voltage Feedback detection module 17 specifically can be identical with the circuit of supply voltage detection module shown in Fig. 2 11.
Automobile-used voltage voltage-stabilizing device and automobile power supply system that this utility model embodiment is provided, including main process task, power supply
Voltage detection module, booster circuit, mu balanced circuit and Voltage Feedback detection module；Primary processor detects mould according to supply voltage
The output voltage control booster circuit or/and mu balanced circuit of the testing result and Voltage Feedback detection module outfan of block it is defeated
Go out, so as to ensure the output voltage of the circuit output end of pressure-stabilizing in voltage set point.By this utility model, solve
Car load is in the unstable problem of shutdown process power supply.
Configuration is demarcated with unequally loaded voltage in order to meet different automobile types, in embodiment as shown in Figure 3, automobile-used voltage is steady
Pressure device 1 can also include：The CAN 13 of the electrical connection of the primary processor 12, the CAN 13 is used for real
The CAN communication of existing primary processor and other equipment.By the CAN 13, primary processor 12 can utilize CAN
Interface realizes that program updates, i.e., program is updated and directly can be realized by diagnostics port.Specifically, program renewal can be according to main process task
The version number of device unit is write with a brush dipped in Chinese ink, and lowest version program exits refreshing interface, preserves newest refreshing interface.
Specifically, in voltage voltage-stabilizing device 1 primary processor 12 can with real-time detection booster circuit 14, mu balanced circuit 16 and
The failure of itself, in order that booster circuit 14, mu balanced circuit 16 break down or when primary processor 12 breaks down, the electricity
The input voltage of source is normally exported, and in embodiment as shown in Figure 3, automobile-used voltage voltage-stabilizing device 1 can also include：Bypass mould
Block；The bypass module is connected between the power output end Vin and the circuit output end of pressure-stabilizing Vout, with the main place
Reason device carries out real-time Communication for Power, when the booster circuit 14, mu balanced circuit 16 break down or primary processor 12 breaks down,
The power output end Vin is connected with the mu balanced circuit Vout outfans.
Further, as shown in figure 4, the bypass module 15 includes：Relay 151, relay driving chip 152 and from
Processor 153；151 control end of the relay is connected to the power output end Vin with the circuit output end of pressure-stabilizing Vout
Between；151 coil-end of the relay is connected between the power output end Vin and the relay driving chip 152；Institute
State relay driving chip 152 to be connected from processor 153, bonding with described respectively；It is described from processor 153 and the main process task
Device 12 is connected by spi bus.In the present embodiment, primary processor with real-time Communication for Power is carried out by SPI serial ports from processor, when
So, primary processor 12 with real-time Communication for Power can also be carried out by I/O from processor, specifically can be by working as using which kind of communication mode
The model of front master and slave processor determines.
This utility model embodiment additionally provides a kind of automobile power supply system, as shown in figure 5, including：2 He of Vehicular accumulator cell
Vehicle-mounted electrical equipment 3, also including the automobile-used voltage voltage-stabilizing device 1 described in this utility model embodiment；Automobile-used voltage voltage stabilizing dress
The input for putting 1 connects the Vehicular accumulator cell 2, and the outfan connection vehicle-mounted electricity consumption of automobile-used voltage voltage-stabilizing device arranges 3.
Specifically, the input of the automobile-used voltage voltage-stabilizing device 1 is the power output end of automobile-used voltage voltage-stabilizing device 1
Vin；The outfan of automobile-used voltage voltage-stabilizing device 1 is circuit output end of pressure-stabilizing Vout in automobile-used voltage voltage-stabilizing device 1.
Further, automobile power supply system can also include：Fault diagnosis module 4, the fault diagnosis module 4 and the car
Electrically connected with voltage voltage-stabilizing device 1, to diagnose the failure of the automobile-used voltage voltage-stabilizing device 1.Specifically, fault diagnosis module 4
Directly can be connected with the primary processor of automobile-used voltage voltage-stabilizing device 1, it is also possible to by CAN 13 and the main process task
Device carries out CAN communication, and so as to obtain primary processor internal fault information, in such as Fig. 5, fault diagnosis module 4 passes through CAN communication mould
Failure in the diagnosis primary processor 12 of block 13.
Automobile-used voltage voltage-stabilizing device and automobile power supply system that this utility model is provided, solve in vehicle shutdown process
Power supply instability problem, promotes the development of car load start stop system, reduces complete-vehicle oil consumption；Further, electricity is solved using Voltage stabilizing module
Pressure is impacted and car load electromagnetic interference is reduced and power tube load increase；Further, eliminate the power supply occurred in shutdown process
Fluctuation causes navigation and entertainment systems to interrupt, and increases comfortableness and aesthetic；Further, increase electric circuit inspection protection and bypass system
System, being capable of normal power supply and transmission fault message after solving this module damage；Finally, configured by on-line parameter, there is provided CAN nets
Network program updates.
Above this utility model embodiment is described in detail, specific embodiment used herein is to this practicality
New to be set forth, the explanation of above example is only intended to help and understands this utility model；Simultaneously for the one of this area
As technical staff, according to thought of the present utility model, will change in specific embodiments and applications, to sum up
Described, this utility model content is should not be construed as to restriction of the present utility model.
Claims (8)
1. a kind of automobile-used voltage voltage-stabilizing device, it is characterised in that be electrically connected including primary processor and respectively with the primary processor
The supply voltage detection module that connects, booster circuit, mu balanced circuit, Voltage Feedback detection module；
The output voltage of supply voltage detection module detection power supply simultaneously exports testing result to primary processor；
Booster circuit is connected between power output end and the mu balanced circuit input；
The outfan of the mu balanced circuit is connected with the Voltage Feedback detection module input；
Primary processor is according to the output voltage of the testing result and the Voltage Feedback detection module outfan to the boosting
Circuit or/and the mu balanced circuit output control signal, are set in voltage with the output voltage for controlling the circuit output end of pressure-stabilizing
Determine in scope.
2. automobile-used voltage voltage-stabilizing device according to claim 1, it is characterised in that also include：With primary processor electricity
The CAN of connection, to realize that the program of primary processor updates.
3. automobile-used voltage voltage-stabilizing device according to claim 2, it is characterised in that also include：Bypass module, the bypass
Module is connected between the power output end and the circuit output end of pressure-stabilizing, carries out real-time Communication for Power with the primary processor,
And when the booster circuit, mu balanced circuit break down or primary processor breaks down, connect the power output end with
Circuit output end of pressure-stabilizing.
4. automobile-used voltage voltage-stabilizing device according to claim 3, it is characterised in that the bypass module includes：
Relay, relay driving chip and from processor；
The Control end is connected between the power output end and the circuit output end of pressure-stabilizing；The relay line
Circle end is connected between the power output end and the relay driving chip；
The relay driving chip is connected from processor, bonding with described respectively；
It is described to be connected by spi bus from processor with the primary processor.
5. automobile-used voltage voltage-stabilizing device according to claim 4, it is characterised in that the booster circuit includes：Direct current liter
Die block, the first DC filtering circuit；
First DC filtering is electrically connected between the power output end and the DC boosting module input；
The control end of the DC boosting module is electrically connected with the primary processor, so that the primary processor controls the direct current
Boost module boosts；
The DC boosting module outfan is electrically connected with the mu balanced circuit.
6. automobile-used voltage voltage-stabilizing device according to claim 5, it is characterised in that the mu balanced circuit includes：
DC voltage-stabilizing module, the second DC filtering circuit；
The DC voltage-stabilizing module input is electrically connected with the DC boosting module outfan；
The control end of the DC voltage-stabilizing module is electrically connected with the primary processor, so that the primary processor controls the direct current
Voltage stabilizing module voltage stabilizing；
Second DC filtering is electrically connected to the outfan and the Voltage Feedback detection module of the DC voltage-stabilizing module
Between.
7. a kind of automobile power supply system, including Vehicular accumulator cell and vehicle-mounted electrical equipment, it is characterised in that：Also include according to right
Require the automobile-used voltage voltage-stabilizing device described in any one of 1-6；The input of automobile-used voltage voltage-stabilizing device connects the vehicular electricity storage
Pond, the outfan connection vehicle-mounted electricity consumption of automobile-used voltage voltage-stabilizing device are arranged.
8. automobile power supply system according to claim 7, it is characterised in that also include：Fault diagnosis module, the failure
Diagnostic module is electrically connected with the automobile-used voltage voltage-stabilizing device, to diagnose the failure of the automobile-used voltage voltage-stabilizing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621100664.6U CN206077228U (en) | 2016-09-30 | 2016-09-30 | A kind of automobile-used voltage voltage-stabilizing device and automobile power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621100664.6U CN206077228U (en) | 2016-09-30 | 2016-09-30 | A kind of automobile-used voltage voltage-stabilizing device and automobile power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206077228U true CN206077228U (en) | 2017-04-05 |
Family
ID=58439876
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621100664.6U Expired - Fee Related CN206077228U (en) | 2016-09-30 | 2016-09-30 | A kind of automobile-used voltage voltage-stabilizing device and automobile power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206077228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108880215A (en) * | 2017-05-15 | 2018-11-23 | 厦门雅迅网络股份有限公司 | A kind of DC-DC power source low pressure switches off control circuit |
-
2016
- 2016-09-30 CN CN201621100664.6U patent/CN206077228U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108880215A (en) * | 2017-05-15 | 2018-11-23 | 厦门雅迅网络股份有限公司 | A kind of DC-DC power source low pressure switches off control circuit |
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