CN105577055A - Eddy current retarder electronic controller - Google Patents
Eddy current retarder electronic controller Download PDFInfo
- Publication number
- CN105577055A CN105577055A CN201610133273.2A CN201610133273A CN105577055A CN 105577055 A CN105577055 A CN 105577055A CN 201610133273 A CN201610133273 A CN 201610133273A CN 105577055 A CN105577055 A CN 105577055A
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- Prior art keywords
- control unit
- unit
- retarder
- temperature
- mcu control
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Classifications
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- 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)
- Regulating Braking Force (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The invention relates to an eddy current retarder electronic controller. The controller is mainly formed by an MCU control unit, a power tube drive unit and a power control unit assembly and the like. The temperature of a retarder is reduced through a water flow control unit, a retarder temperature monitoring unit and a water temperature detection unit, and thus heat fading rate of the retarder is reduced; the output power of the retarder is reduced when the voltage is low through a voltage detection unit, and thus an energy-saving and consumption-reducing effect is achieved; a controller temperature monitoring unit protects a power tube assembly from being damaged by high temperature; and corresponding currents are output to all exciting windings through PWM(pulse width modulation) signals, so that corresponding moment is generated to play a braking role on an advancing automobile.
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 whole retarder.The heat fading of retarder is an important performance indexes of retarder, in 1 minute, the temperature of retarder can reach 80 DEG C, output torque reduces about 15%, in 20 minutes, during retarder work, the temperature of magnet exciting coil reaches as high as 200 DEG C, output torque reduces by 50%, and the temperature therefore how controlling retarder is the problem that manufacturer is probing into always.
And the control mode of existing current vortex retarder mainly also has a small amount of electronic controller with the control mode of relay for main, the control mode of relay makes to be in eventually fully loaded operating state and easily aging with damage because of 1 grade, the contact of circuit breaker is when disconnecting simultaneously, easy generation spark ablation contact, relay-operated controller spoilage is improved, has influence on the service behaviour of retarder; The control mode of existing electronics is the switch control rule that the mode of analogue relay control carries out gear, can not inherently solve the problem, the power component Yin Wendu in the controller of existing analogue relay control mode commercially is simultaneously too high to be easily damaged.
Summary of the invention
The technical problem to be solved in the present invention is: the electronic controller proposing a kind of current vortex retarder, can reduce the device heat fading rate of electric vortex buffering; Reduce the temperature of controller power device: make current vortex retarder magnet exciting coil not easy burn-out: make brake can not produce with acceleration simultaneously and conflict.
The technical solution adopted in the present invention is: a kind of current vortex retarder electronic controller, comprises MCU control unit, controller temperature monitoring unit, retarder temperature detecting unit, coolant-temperature gage detecting unit, power tube driver element, power control unit assembly, discharge control unit, ABS/ throttle signal detecting unit, voltage detecting circuit and CAN communication unit; The temperature of described controller temperature monitoring unit monitor power control unit assembly, the output of controller temperature monitoring unit connects the input of MCU control unit; One end of described retarder temperature detecting unit connects MCU control unit; The other end is connected with the cooling-water temperature sensor in magnet exciting coil; Described water temperature detecting unit detects the temperature of recirculated water, and one end of water temperature detecting unit is connected with the cooling-water temperature sensor of retarder body, is connected in the other end with MCU control unit; One end of described power tube driver element is connected with MCU control unit; The other end is connected with power control unit assembly; Described power control unit assembly is made up of many group powers and outer member; And be connected with field coil assembly; The output of described voltage detecting circuit connects the input of MCU control unit; Described discharge control unit controls the size exporting to the retarder water yield; Discharge control unit and coolant-temperature gage detecting unit form water temperature closed-loop control; Discharge control unit connects MCU control unit; The output of described ABS/ throttle signal detecting unit connects the input of MCU control unit; Described CAN communication unit is connected with MCU control unit.
Further, the present invention also comprises: power control unit, excessively protective circuit, serial communication unit, indicator light control unit, current detection circuit, stop lamp control unit, gear position detecting unit and Bus-Speed Monitoring unit; The input of described power control unit connects 24V external voltage; Output connects the input of MCU control unit; Power control unit is connected with overvoltage crowbar; Described serial communication unit is connected with MCU control unit; The input of described indicator light display unit connects the output of MCU control unit; One end of described current detection circuit is connected with MCU control unit, and the other end is connected with power control unit assembly; The input of described stop lamp control unit connects the output of MCU control unit; The output of described gear position detecting unit connects the input of MCU control unit; The output of described Bus-Speed Monitoring unit connects the input of MCU control unit.
Further, then the present invention also comprise EMC circuit.
The heat fading of current vortex retarder is the maximum bottleneck of retarder, and retarder temperature is higher, and the moment produced is less.In 20 minutes, the temperature of retarder magnet exciting coil can reach more than 200 DEG C, because reducing gradually along with the increase electric current of temperature, and the moment of retarder also can be reduced to original half, therefore how being lowered by retarder heat is the problem that each producer is explored always, the present invention is taken away by current by the heat of the large young pathbreaker's retarder controlling discharge, reaches the object of cooling; This discharge controlling functions discharge controllable size, the discharge control unit controlled when retarder temperature height sends instruction to be increased inflow and takes away more heat; When the discharge control unit of the low Time Controller of temperature of retarder sends instruction reduction inflow, thus reach the effect reducing retarder temperature.
The power control device of controller is buffer controller critical piece, more the power that bears of high power control device is less for temperature, more damaged, controller temperature monitoring unit in this invention will fall lower powered output when detecting that power device temperature is too high, until temperature increases power stage after getting back to safe temperature point more gradually, thus reduce the overheated problem of controller power device, the serviceability of high retarder is provided.
Current vortex retarder magnet exciting coil not easy burn-out: during the mode of Control, the retarder coil of 1 grade is in fully loaded operating state all the time, so the most aging and damage of this retarder coil, the present invention adopts PWM pulse-width modulation to carry out electrodeless control, the all coils in retarder is made to pass through electric current uniformly, there will not be 1 grade of coil to operate at full capacity state, solve the destructible existing picture of coil.
Brake and accelerate to produce to conflict: on market, existing control mode can not detect the ABS of automobile and the operating state of throttle, this two states and brake afoul existing picture may be there is during driver's operation, the present invention, detecting that automobile would not output torque in acceleration or ABS operating state, solves this conflict situation.
The invention has the beneficial effects as follows: by discharge control unit, retarder temperature monitoring unit and water temperature detecting unit, the temperature of retarder is reduced, reduce the heat fading rate of retarder; The power output being reduced retarder by voltage detection unit when voltage is lower plays energy-saving and cost-reducing effect; Do not damaged by high temperature by controller temperature monitoring unit protection power tube assembly; By PWM (pulse-width modulation) signal, corresponding electric current is exported to all excitation winding, and then produce corresponding moment and braking is played to the automobile moved ahead do use.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is structure principle chart of the present invention.
Embodiment
The present invention is further detailed explanation with preferred embodiment by reference to the accompanying drawings now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in Figure 1, the present embodiment comprises power control unit, overvoltage protection voltage, EMC circuit, stop lamp control unit, serial communication unit, indicator light control unit, controller temperature monitoring unit, current detection circuit, power tube driver element, power control unit assembly, power valve protective circuit assembly, voltage detecting circuit, gear position detecting unit, ABS/ throttle signal detecting unit, Bus-Speed Monitoring unit, CAN communication unit, coolant-temperature gage detecting unit, retarder temperature detecting unit, discharge control unit composition.
Power control unit: be for the device work of inside provides required power supply, the 24V voltage transitions of outside automobile is become the burning voltage needed for inside by it, ensure that whole controller can work normally, its outside is connected with the voltage of automobile by 101 interfaces, and each device that is inner and required voltage is connected.
Overvoltage crowbar: mainly monitor the magnitude of voltage that outside voltage does not exceed design; each device of protection inside is not damaged by large voltage; it and power control unit are connected; if detect that the input voltage of power control unit has exceeded setting voltage value; this circuit can make the voltage of power control unit forbid exporting, and other modules is forbidden, and the effect of protective circuit is played in work.
EMC circuit: the requirement mainly meeting electromagnetic compatibility on automobile, stop extraneous electric electromagnetic interference, forbid that controller disturbs other electronic equipments, one end connects each port with external communication, all parts of the other end and inside sensitivity or unit set associative simultaneously.
Serial communication unit: serial communication unit is mainly used for the data interaction of controller and host computer, by the information transmission in controller to host computer, some values of information when level controller detects are demonstrated in host computer, the parameter that will arrange is transferred to the parameter of controller change control device inside by host computer, this element outside is connected with host computer by 102 interfaces simultaneously; Inside is connected with the SCI module of MCU;
Indicator light control unit: for showing operating state and the message code of retarder, during retarder work, indicator light is bright, otherwise indicator light goes out, and indicator light also can show failure code simultaneously; This element one end is connected with MCU control unit; The other end is connected with outside indicator light by 103 interfaces.
Controller temperature monitoring unit: the mainly temperature of monitor power control unit assembly; because the power output size of power tube is relevant with temperature height; more high-power tube power output is less for temperature; more breakdown; when controller temperature monitoring unit detects that the temperature of power tube is too high; MCU control unit can reduce power stage, returns to normal temperature, protects power tube.Controller temperature monitoring unit connect and between internal temperature sensor and MCU control unit.
Retarder temperature detecting unit: be mainly used for the temperature monitoring retarder magnet exciting coil; This element is outside to be connected by 104 interfaces and the cooling-water temperature sensor in the magnet exciting coil of retarder, and A/D converting unit that is inner and MCU is connected,
Coolant-temperature gage detecting unit: be used to the temperature detecting recirculated water, this element outside is connected by the cooling-water temperature sensor of 105 interfaces and retarder body, A/D converting unit that is inner and MCU is connected, the effect of this recirculated water is the temperature for cooling retarder, when water temperature reduces by one grade of work higher than retarder during set point, if water temperature still can reduce moment gradually higher than set point retarder, until temperature is lower than set point.
Current detection circuit: the size being mainly used for controller output current, the number just inputted according to outside with controller monitors whether the electric current exported is set value, and adjusts the output of electric current.Its one end and MCU control unit are connected, and one end and power control unit assembly are connected.
Power tube driver element: the power component being mainly used for driving power control unit assembly, the output signal of MCU control unit is converted to the drive singal that (PCC) power becomes to identify by it, and control the aperture of (PCC) power, its one end is connected with MCU control unit; The other end and power control unit assembly are connected.
Power control unit assembly: be made up of many group powers and outer member, the voltage signal exported according to power drive unit control electric current output, and then the size of moment processed.Its inside is connected with power drive unit, is connected respectively by 106 and 107 interfaces with power cathode and field coil assembly 108.
Voltage detecting circuit: for detecting the size of input voltage; if input voltage is high will drive unit by switch-off power pipe with set point MCU control unit; protection power tube control unit is not damaged; if input voltage is lower than set point; MCU control unit will reduce the output of power drive unit; thus reduce the output of power control unit electric current, save electric energy.It is connected between MCU control unit and external voltage interface 109.
Discharge control unit: mainly control the size exporting to the retarder water yield, the radiating effect of the larger retarder of the water yield is better, and it and water temperature detecting unit have formed water temperature closed-loop control, thus makes the temperature of retarder reach equalized temperature.Its inside is connected with MCU controller; The other end is connected by 110 interfaces and outer total actuator.
Stop lamp control unit: be mainly used for the control to stop lamp, when retarder works, stop lamp is in bright state, otherwise stop lamp is in the state of going out, and this element outside is connected with stop lamp control signal, and inside is connected to MCU control unit.
Gear position detecting unit: the gear that this part is mainly used for retarder is arranged, retarder can be divided into 5 gears, 0 grade (does not produce moment, retarder quits work), 1 grade the moment of 25% (produce), 2 grades (producing the moment of 50%), 3 grades (producing the moment of 75%), 4 grades (producing the moment of 100%), this element outside is connected with bat-handle switch or Foot-controlled switch, and the detecting unit of inner MCU is connected.
ABS/ throttle detecting unit: be that this element is connected with the ABS signal in car and throttle signal end respectively, if in running order, retarder forbids work, otherwise retarder is in holding state for detecting ABS or whether throttle is in running order
Bus-Speed Monitoring unit: be mainly used for the speed detecting automobile current driving, the outside car speed holding wire of this element is connected, and inside is connected with the input capture unit of MCU; Controller detects the speed of running car constantly by this element, controls to export corresponding electric current according to current speed and gear, and then the output torque of adjustment retarder.
CAN communication unit: be to be connected with the CAN on automobile by the transceiver of automotive interior to realize information sharing, the outside inside that is connected with automobile CAN-bus of this element is connected with MCU.
Invention increases the security performance of controller: in controller, have the testing circuits such as overvoltage, under-voltage, electric current, read the operating state of automobile by CAN communication again simultaneously and send the operating state of retarder, retarder is worked adjustment timely, improves the security performance of controller;
Reduce the electric energy loss of automobile, the electric energy of the retarder consumption in market is relevant to the size of gear, the power of retarder is at about 3300W, so the supply power voltage of automobile will be dragged down when the power supply capacity of automobile is not enough, have influence on automobile normally to work, in the present invention when automotive voltage electricity shortage on the low side being detected, retarder power output can be made to reduce or stop retarder work, reduce consuming excessively of energy, also ensure the traffic safety of driver;
Improve the control of automobile moment: in market, more existing retarder control mode is divided into 4 grades, every grade makes the coil of its correspondence carry out work, this mode can only produce the moment of 25%, 50%, 75% and 100%, and control mode of the present invention can control the moment of any point in 0 ~ 100%, carry out step-less adjustment.
The temperature control technology of retarder: the present invention utilizes coolant-temperature gage detecting unit, retarder temperature detecting unit and discharge control unit to control in efficient working range by the temperature of retarder body, reduce the heat fading rate of retarder, make the service behaviour of retarder more stable;
The data such as the gear of retarder and moment according to the corresponding moment of these State-outputs, can be sent in automobile CAN-bus by the operating state such as water temperature, speed, the gear etc. that are used for CAN communication technology can read in real time in buffer controller automobile simultaneously.
The just the specific embodiment of the present invention described in above specification, various illustrating is not construed as limiting flesh and blood of the present invention, person of an ordinary skill in the technical field after having read specification can to before described embodiment make an amendment or be out of shape, and do not deviate from the spirit and scope of the invention.
Claims (3)
1. a current vortex retarder electronic controller, is characterized in that: comprise MCU control unit, controller temperature monitoring unit, retarder temperature detecting unit, coolant-temperature gage detecting unit, power tube driver element, power control unit assembly, discharge control unit, ABS/ throttle signal detecting unit, voltage detecting circuit and CAN communication unit; The temperature of described controller temperature monitoring unit monitor power control unit assembly, the output of controller temperature monitoring unit connects the input of MCU control unit; One end of described retarder temperature detecting unit connects MCU control unit; The other end is connected with the cooling-water temperature sensor in magnet exciting coil; Described water temperature detecting unit detects the temperature of recirculated water, and one end of water temperature detecting unit is connected with the cooling-water temperature sensor of retarder body, is connected in the other end with MCU control unit; One end of described power tube driver element is connected with MCU control unit; The other end is connected with power control unit assembly; Described power control unit assembly is made up of many group powers and outer member; And be connected with field coil assembly; The output of described voltage detecting circuit connects the input of MCU control unit; Described discharge control unit controls the size exporting to the retarder water yield; Discharge control unit and coolant-temperature gage detecting unit form water temperature closed-loop control; Discharge control unit connects MCU control unit; The output of described ABS/ throttle signal detecting unit connects the input of MCU control unit; Described CAN communication unit is connected with MCU control unit.
2. current vortex retarder electronic controller as claimed in claim 1, is characterized in that: also comprise: power control unit, excessively protective circuit, serial communication unit, indicator light control unit, current detection circuit, stop lamp control unit, gear position detecting unit and Bus-Speed Monitoring unit; The input of described power control unit connects 24V external voltage; Output connects the input of MCU control unit; Power control unit is connected with overvoltage crowbar; Described serial communication unit is connected with MCU control unit; The input of described indicator light display unit connects the output of MCU control unit; One end of described current detection circuit is connected with MCU control unit, and the other end is connected with power control unit assembly; The input of described stop lamp control unit connects the output of MCU control unit; The output of described gear position detecting unit connects the input of MCU control unit; The output of described Bus-Speed Monitoring unit connects the input of MCU control unit.
3. current vortex retarder electronic controller as claimed in claim 1, is characterized in that: also comprise EMC circuit.
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 |
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| Publication Number | Publication Date |
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| CN105577055A true CN105577055A (en) | 2016-05-11 |
| CN105577055B CN105577055B (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610133273.2A Expired - Fee Related CN105577055B (en) | 2016-03-09 | 2016-03-09 | Current vortex retarder electronic controller |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108297697A (en) * | 2017-01-13 | 2018-07-20 | 南宁市健佳网络科技有限公司 | A kind of controller of current vortex retarder and its control method based on PWM control modes |
| 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 |
Citations (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 |
| CN101239590A (en) * | 2008-03-10 | 2008-08-13 | 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 |
-
2016
- 2016-03-09 CN CN201610133273.2A patent/CN105577055B/en not_active Expired - Fee Related
Patent Citations (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 |
| CN101239590A (en) * | 2008-03-10 | 2008-08-13 | 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108297697A (en) * | 2017-01-13 | 2018-07-20 | 南宁市健佳网络科技有限公司 | A kind of controller of current vortex retarder and its control method based on PWM control modes |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105577055B (en) | 2018-10-12 |
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Granted publication date: 20181012 |