CN105577055B - Current vortex retarder electronic controller - Google Patents
Current vortex retarder electronic controller Download PDFInfo
- Publication number
- CN105577055B CN105577055B CN201610133273.2A CN201610133273A CN105577055B CN 105577055 B CN105577055 B CN 105577055B CN 201610133273 A CN201610133273 A CN 201610133273A CN 105577055 B CN105577055 B CN 105577055B
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- Prior art keywords
- control unit
- unit
- retarder
- temperature
- mcu
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P15/00—Arrangements for controlling dynamo-electric brakes or clutches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/28—Eddy-current braking
-
- 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
- Y02T10/64—Electric machine technologies in electromobility
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
- Regulating Braking Force (AREA)
Abstract
The present invention relates to a kind of current vortex retarder electronic controllers, this controller is mainly made of MCU control unit, power tube driving unit and power control unit component etc., its water flowing flow controlling unit, retarder temperature monitoring unit and water temperature detection unit reduce the temperature of retarder, reduce the heat fading rate of retarder；The output power that retarder is singly reduced when voltage is relatively low by voltage detecting plays energy-saving effect；Power tube assembly is protected not damaged by high temperature by controller temperature monitoring unit；Corresponding electric current is exported to all Exciting Windings for Transverse Differential Protection by PWM (pulsewidth modulation) signals, and then the corresponding torque of generation plays braking to forward automobile and does use.
Description
Technical field
The present invention relates to a kind of control device of retarder, especially a kind of electronic controller of current vortex retarder.
Background technology
Buffer controller is the core component of retarder, controls the normal operation of entire retarder.The heat of retarder
Decline is an important performance indexes of retarder, and the temperature of retarder can reach 80 DEG C in 1 minute, and output torque reduces by 15%
Left and right, the temperature of magnet exciting coil reaches as high as 200 DEG C when retarder work in 20 minutes, and output torque reduces by 50%, therefore why
The temperature that sample controls retarder is the problem of manufacturer is probing into always.
And the control mode of existing current vortex retarder mainly also has a small amount of electronics based on the control mode of relay
Controller, the control mode of relay is because 1 grade of end makes to be in working condition easily aging at full capacity and damages, while circuit breaker
Contact disconnect when, easy to produce spark ablation contact, make relay-operated controller spoilage improve, influence the work of retarder
Make performance；The control mode of existing electronics is that the mode of analogue relay control carries out the switch control of gear, can not be from essence
On solve the above problems, while the power component in the controller of analogue relay control mode currently on the market is because of temperature mistake
Height is easily damaged.
Invention content
The technical problem to be solved by the present invention is to：It proposes a kind of electronic controller of current vortex retarder, electricity can be reduced
It is vortexed slow device heat fading rate；Reduce the temperature of controller power device：Make current vortex retarder magnet exciting coil not easy burn-out：
Make brake simultaneously and accelerates not will produce to conflict.
The technical solution adopted in the present invention is：A kind of current vortex retarder electronic controller, including MCU control unit,
Controller temperature monitoring unit, retarder temperature detecting unit, coolant-temperature gage detection unit, power tube driving unit, power control
Unit block, water flow control unit, ABS/ throttle signals detection unit, voltage detecting circuit and CAN communication unit；It is described
Controller temperature monitoring unit monitoring power control unit component temperature, controller temperature monitoring unit output end connection
The input terminal of MCU control unit；One end of the retarder temperature detecting unit connects MCU control unit, the other end with encourage
Water temperature sensor in magnetic coil is connected；The temperature of the water temperature detection unit detection recirculated water, the one of water temperature detection unit
End is connected with the water temperature sensor of retarder ontology, is connected with MCU control unit in the other end；The power tube driving unit
One end be connected with MCU control unit, the other end is connected with power control unit component；The power control unit component by
Multigroup power tube and outer member composition, and be connected with field coil assembly；The output end of the voltage detecting circuit connects
The input terminal of MCU control unit；Size of the water flow control unit control output to retarder water；Water flow controls
Unit forms water temperature closed-loop control with coolant-temperature gage detection unit；Water flow control unit connects MCU control unit；The ABS/
The input terminal of the output end connection MCU control unit of throttle signal detection unit；The CAN communication unit and MCU controls are single
Member is connected.
Further, the invention also includes：Power control unit, overvoltage crowbar, serial communication unit, indicator light
Control unit, current detection circuit, brake lamp control unit, gear position detecting unit and Bus- Speed Monitoring unit；The power supply
The input terminal of control unit connects 24V external voltages；Output end connects the input terminal of MCU control unit；Power control unit with
Overvoltage crowbar is connected；The serial communication unit is connected with MCU control unit；The indicator light control unit
Input terminal connects the output end of MCU control unit；One end of the current detection circuit is connected with MCU control unit, another
End is connected with power control unit component；The output end of the input terminal connection MCU control unit of the brake lamp control unit；
The input terminal of the output end connection MCU control unit of the gear position detecting unit；The output end of the Bus- Speed Monitoring unit
Connect the input terminal of MCU control unit.
Further, then the invention also includes EMC circuits.
The heat fading of current vortex retarder is the maximum bottleneck of retarder, and retarder temperature is higher, and generated torque is got over
It is small.The temperature of retarder magnet exciting coil can reach 200 DEG C or more in 20 minutes, because electric current can gradually subtract as the temperature increases
It is small, and the torque of retarder can also be reduced to original half, therefore it is each producer one how retarder heat to lower
Straight the problem of exploring, the present invention are taken away the heat of retarder by flow by controlling the size of water flow, reach cooling
Purpose；This water flow control function discharge controllable size, the water flow control unit controlled when retarder temperature is high are sent out
Instruction increases inflow and takes away more heats；When the temperature of retarder is low, the water flow control unit of controller sends out finger
It enables and reduces inflow, to have the function that reduce retarder temperature.
The power control device of controller is buffer controller critical piece, and temperature is got over high power control device and born
Power with regard to smaller, easier to be damaged, the controller temperature monitoring unit in the invention detects that power device temperature is excessively high
When will reduce the output of power, power output is gradually increased again after temperature returns to safe temperature point, to reduce control
The problem of device power device overheat processed, provide the performance of high retarder.
Current vortex retarder magnet exciting coil not easy burn-out：1 grade of retarder coil is located always when the mode of relay control
In working condition at full capacity, so this retarder coil is easiest to aging and damage, the present invention using PWM pulsewidth modulations into
The electrodeless control of row makes all coils in retarder uniformly by electric current, is not in that 1 grade of coil is operated at full capacity state,
Solves the destructible phenomenon of coil.
Brake not will produce with acceleration to conflict：Existing control mode cannot detect the ABS and throttle of automobile in the market
Working condition, it is possible that both states and conflicting phenomenon of braking, the present invention are detecting vapour when driver operates
Vehicle acceleration or ABS working conditions would not output torque, solve this conflict situation.
The beneficial effects of the invention are as follows：It is detected by water flow control unit, retarder temperature monitoring unit and water temperature single
Member reduces the temperature of retarder, reduces the heat fading rate of retarder；It is reduced by voltage detection unit when voltage is relatively low
The output power of retarder plays energy-saving effect；Protect power tube assembly not high by controller temperature monitoring unit
Temperature and damage；Corresponding electric current is exported to all Exciting Windings for Transverse Differential Protection by PWM (pulsewidth modulation) signals, and then generates corresponding torque
Braking action is played to forward automobile.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structure principle chart of the present invention.
Specific implementation mode
Presently in connection with attached drawing and preferred embodiment, the present invention is described in further detail.These attached drawings are simplified
Schematic diagram, the basic structure of the invention will be illustrated schematically only, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, the present embodiment includes power control unit, overvoltage crowbar, EMC circuits, brake lamp control list
Member, the driving of serial communication unit, indicator light control unit, controller temperature monitoring unit, current detection circuit, power tube are single
Member, power control unit component, power valve protective circuit component, voltage detecting circuit, gear position detecting unit, ABS/ throttle signals
Detection unit, Bus- Speed Monitoring unit, CAN communication unit, coolant-temperature gage detection unit, retarder temperature detecting unit, water flow control
Unit composition processed.
Power control unit：It is to provide required power supply for internal device work, it turns the 24V voltages of external automobile
It changes internal required burning voltage into, ensures that entire controller can normally work, pass through the electricity of 101 interfaces and automobile outside it
Pressure is connected, and internal each device with required voltage is connected.
Overvoltage crowbar：The voltage value that external voltage does not exceed design is mainly monitored, each of inside is protected
Device is not damaged by big voltage, it is connected with power control unit, if detecting that the input voltage of power control unit is more than
Setting voltage value, this circuit can make the voltage of power control unit forbid exporting, and make other modules that work be forbidden to rise
To the effect of protection circuit.
EMC circuits：The requirement for mainly meeting electromagnetic compatibility on automobile prevents extraneous electromagnetic interference, while forbidding controlling
Device processed interferes other electronic equipments, each port of one end connection and external communication, the other end and internal sensitive all parts
Or unit group is connected.
Serial communication unit：Serial communication unit is mainly used for the data interaction of controller and host computer, i.e., will control
Information in device is transferred to host computer, shows some values of information that current controller detects in host computer, while by institute
The parameter to be arranged is transferred to the parameter inside controller modification controller by host computer, passes through 102 interfaces outside this element
It is connected with host computer；Inside is connected with the SCI modules of MCU；
Indicator light control unit：Working condition for showing retarder and message code, indicator light when retarder works
Bright, otherwise indicator light goes out, while indicator light can also show failure code；This element one end is connected with MCU control unit；The other end
It is connected with external indicator light by 103 interfaces.
Controller temperature monitoring unit：The temperature for mainly monitoring power control unit component, because of the output of power tube
Watt level is related with temperature height, and it is smaller that temperature gets over high-power tube output power, more easy to be breakdown, when controller temperature is supervised
Control unit detects power tube when the temperature is excessively high, and MCU control unit can reduce power output, be restored to normal temperature, protection
Power tube.Controller temperature monitoring unit is connected between internal temperature sensor and MCU control unit.
Retarder temperature detecting unit：It is mainly used for monitoring the temperature of retarder magnet exciting coil；Pass through outside this element
Water temperature sensor in the magnet exciting coil of 104 interfaces and retarder is connected, and the internal A/D converting units with MCU are connected,
Coolant-temperature gage detection unit：It is the temperature for detecting recirculated water, passes through 105 interfaces and retarder sheet outside this element
The water temperature sensor of body is connected, and the internal A/D converting units with MCU are connected, and the effect of this recirculated water is for cooling down retarder
Temperature, when water temperature is higher than setting value, retarder reduces by one grade of work, if water temperature be also above setting value retarder can be by
Torque is gradually reduced, until temperature is less than setting value.
Current detection circuit：It is mainly used for the size of controller output current, convenient for controller according to externally input
Whether the electric currents of number monitoring output are set values, and adjust the output of electric current.Its one end is connected with MCU control unit, and one
End is connected with power control unit component.
Power tube driving unit：It is mainly used for the power component of driving power control unit component, it controls MCU single
The output signal of member is converted into drive signal of the (PCC) power at identification, and to control the aperture of (PCC) power, its one end is controlled with MCU
Unit processed is connected；The other end is connected with power control unit component.
Power control unit component：It is made of multigroup power tube and outer member, is exported according to power drive unit
Voltage signal control the output of electric current, and then the size of torque processed.Its inside is connected with power drive unit, passes through
106 and 107 interfaces are connected with power cathode and field coil assembly 108 respectively.
Voltage detecting circuit：Size for detecting input voltage, if input voltage is higher than setting value MCU control unit
Will switch-off power pipe drive unit, protect power tube control unit not to be damaged, if input voltage be less than setting value, MCU control
Unit processed will reduce the output of power drive unit, to reduce the output of power control unit electric current, save electric energy.It connects
It is connected between MCU control unit and external voltage interface 109.
Water flow control unit：Mainly control output is to the size of retarder water, the heat dissipation of the bigger retarder of water
Effect is better, it has formed water temperature closed-loop control with water temperature detection unit, to make the temperature of retarder reach equalized temperature.It
Inside is connected with MCU controllers；The other end is connected by 110 interfaces and outer total actuator.
Brake lamp control unit：It is mainly used for the control to brake lamp, brake lamp is bright when retarder works
State, otherwise brake lamp is in the state gone out, and this element outside controls signal with brake lamp and is connected, and inside is connected to MCU controls
Unit.
Gear position detecting unit：This part is mainly used for the gear setting of retarder, and retarder can be divided into 5 gears, 0 grade
(not generating torque, retarder is stopped), 1 grade (torque for generating 25%), 2 grades (torques for generating 50%), 3 grades of (generations
75% torque), 4 grades (generate 100% torques), be connected with bat-handle switch or Foot-controlled switch outside this element, internal MCU's
Detection unit is connected.
ABS/ throttle detection units：Be it is whether in running order for detecting ABS or throttle, this element respectively with vehicle
In ABS signals and throttle signal end be connected, retarder forbids work if in running order, otherwise retarder be in wait for
Machine state
Bus- Speed Monitoring unit：It is mainly used for detecting the speed of automobile current driving, this element outside car speed signal
Line is connected, and inside is connected with the input capture unit of MCU；Controller constantly detects the speed of running car, root by this element
The corresponding electric current of output is controlled according to current speed and gear, and then adjusts the output torque of retarder.
CAN communication unit：It is to be connected to realize information sharing with the CAN bus on automobile by the transceiver of automotive interior,
It is connected with MCU inside being connected with automobile CAN-bus outside this element.
The present invention improves the security performance of controller：There are the detection circuits such as over-pressed, under-voltage, electric current in controller, simultaneously
The working condition of automobile can be read by CAN communication again and sends the working condition of retarder, timely work is carried out to retarder
It adjusts, improves the security performance of controller；
The electric energy loss of automobile is reduced, the electric energy of the retarder consumption in market is relevant with the size of gear, is delayed
The power of fast device is in 3300W or so, so will drag down the supply voltage of automobile when the power supply capacity deficiency of automobile, influences
It is worked normally to automobile, in the present invention when detecting the relatively low electricity shortage of automotive voltage, the reduction of retarder output power can be made
Or stop retarder work, consuming excessively for energy is reduced, also ensures the traffic safety of driver；
Improve the control of automobile torque：Existing retarder control mode is to be divided into 4 grades more in market, and every grade keeps its right
The coil answered works, and this mode can only generate 25%, 50%, 75% and 100% torque, and the controlling party of the present invention
Formula can control the torque at any point in 0~100%, carry out step-less adjustment.
The temperature control technology of retarder：The present invention utilizes coolant-temperature gage detection unit, retarder temperature detecting unit and water
Flow controlling unit controls the temperature of retarder ontology in efficient working range, reduces the heat fading rate of retarder, makes
The working performance of retarder is more stablized；
Working condition such as water temperature, speed, shelves by CAN communication technology for automobile can be read in buffer controller in real time
Position etc. can be sent in automobile CAN according to the corresponding torque of these state outputs, while by data such as the gear of retarder and torques
Bus.
The specific implementation mode of the only present invention described in description above, various illustrations are not to the reality of the present invention
Matter Composition of contents limits, and person of an ordinary skill in the technical field can be to described in the past specific after having read specification
Embodiment is made an amendment or is deformed, without departing from the spirit and scope of the invention.
Claims (3)
1. a kind of current vortex retarder electronic controller, it is characterised in that：Including MCU control unit, controller monitoring temperature list
Member, retarder temperature detecting unit, coolant-temperature gage detection unit, power tube driving unit, power control unit component, water flow control
Unit, ABS/ throttle signals detection unit, voltage detecting circuit and CAN communication unit processed；The controller monitoring temperature
The output end of the temperature of unit monitors power control unit component, controller temperature monitoring unit connects the defeated of MCU control unit
Enter end；One end of the retarder temperature detecting unit connects MCU control unit, and the other end is passed with the water temperature in magnet exciting coil
Sensor is connected；The temperature of the water temperature detection unit detection recirculated water, one end and the retarder ontology of water temperature detection unit
Water temperature sensor is connected, and is connected with MCU control unit in the other end；One end of the power tube driving unit is controlled with MCU
Unit is connected, and the other end is connected with power control unit component；The power control unit component is by multigroup power tube and outside
Portion's element composition, and be connected with field coil assembly；The output end of the voltage detecting circuit connects the defeated of MCU control unit
Enter end；Size of the water flow control unit control output to retarder water；Water flow control unit is examined with coolant-temperature gage
It surveys unit and forms water temperature closed-loop control；Water flow control unit connects MCU control unit；The ABS/ throttle signals detection is single
The input terminal of the output end connection MCU control unit of member；The CAN communication unit is connected with MCU control unit.
2. current vortex retarder electronic controller as described in claim 1, it is characterised in that：Further include：Power control unit,
Overvoltage crowbar, serial communication unit, indicator light control unit, current detection circuit, brake lamp control unit, gear detection
Unit and Bus- Speed Monitoring unit；The input terminal of the power control unit connects 24V external voltages, and output end connects MCU
The input terminal of control unit；Power control unit is connected with overvoltage crowbar；The serial communication unit is controlled with MCU
Unit is connected；The output end of the input terminal connection MCU control unit of the indicator light control unit；The current detecting electricity
The one end on road is connected with MCU control unit, and the other end is connected with power control unit component；The brake lamp control unit
Input terminal connects the output end of MCU control unit；The input of the output end connection MCU control unit of the gear position detecting unit
End；The input terminal of the output end connection MCU control unit of the Bus- Speed Monitoring unit.
3. current vortex retarder electronic controller as described in claim 1, it is characterised in that：Further include EMC circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610133273.2A CN105577055B (en) | 2016-03-09 | 2016-03-09 | Current vortex retarder electronic controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610133273.2A CN105577055B (en) | 2016-03-09 | 2016-03-09 | Current vortex retarder electronic controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105577055A CN105577055A (en) | 2016-05-11 |
| CN105577055B true CN105577055B (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610133273.2A Expired - Fee Related CN105577055B (en) | 2016-03-09 | 2016-03-09 | Current vortex retarder electronic controller |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108297697B (en) * | 2017-01-13 | 2021-06-18 | 广东仙童工控有限公司 | Eddy current retarder controller based on PWM control mode and control method thereof |
| CN107825964A (en) * | 2017-11-29 | 2018-03-23 | 扬州安行机电科技有限公司 | The electronic-controlled installation of electromagnetism liquid-cooled retarder |
| CN109976313A (en) * | 2019-04-22 | 2019-07-05 | 北京工业大学 | A kind of automatically controlled test macro and diagnostic device of liquid electricity retarder |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004148876A (en) * | 2002-10-28 | 2004-05-27 | Nissan Diesel Motor Co Ltd | Auxiliary brake controlling device for vehicle |
| CN2694613Y (en) * | 2003-04-01 | 2005-04-20 | 常州信德电器厂 | Electric vortex slow speed device controlling apparatus |
| CN101030754A (en) * | 2007-02-12 | 2007-09-05 | 盐城市步高汽配制造有限公司 | Stepless torque braking controller of electric vortex speed releaser |
| CN101239590B (en) * | 2008-03-10 | 2011-01-19 | 江蕴梅 | Intelligent control driver for electric eddy speed damper and its control method |
| CN101342871A (en) * | 2008-07-22 | 2009-01-14 | 广东工业大学 | Electric eddy speed damper control device |
| CN201682455U (en) * | 2010-04-23 | 2010-12-22 | 上海理工大学 | Novel eddy current retarder controller for automobile |
| CN204136965U (en) * | 2014-09-02 | 2015-02-04 | 贾海亮 | A kind of hydrodynamic retarder controller |
| CN205647324U (en) * | 2016-03-09 | 2016-10-12 | 常州大米机电科技有限公司 | Eddy current retarder electronic controller |
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2016
- 2016-03-09 CN CN201610133273.2A patent/CN105577055B/en not_active Expired - Fee Related
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Granted publication date: 20181012 |