CN205647324U - Eddy current retarder electronic controller - Google Patents
Eddy current retarder electronic controller Download PDFInfo
- Publication number
- CN205647324U CN205647324U CN201620181611.5U CN201620181611U CN205647324U CN 205647324 U CN205647324 U CN 205647324U CN 201620181611 U CN201620181611 U CN 201620181611U CN 205647324 U CN205647324 U CN 205647324U
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- control unit
- unit
- temperature
- retarder
- mcu control
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- 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
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- 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
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- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The utility model relates to an eddy current retarder electronic controller, this kind of controller mainly comprise MCU the control unit, power tube drive unit and power the control unit subassembly etc. And it leads to discharge the control unit, retarber temperature monitoring unit and temperature detecting element and reduces the temperature of retarber, have reduced the heat fading rate of retarber, the output who singly reduces the retarber through voltage detecting when voltage is lower plays energy saving and consumption reduction's effect, damage not by high temperature through controller temperature monitoring unit protection power tube subassembly, through PWM (pulsewidth modulation) signal to the corresponding electric current of all excitation winding output, and then produce corresponding moment and play the braking to the car that moves ahead and do usefulness.
Description
Technical field
This utility model relates to the control device of a kind of retarder, the electronic controller of a kind of current vortex retarder.
Background technology
Buffer controller is the core component of retarder, controls the properly functioning 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 the most how controlling retarder is the problem that manufacturer is probing into always.
And the control mode of existing current vortex retarder is mainly main also to have a small amount of electronic controller with the control mode of relay, the control mode of relay makes to be in fully loaded duty and the most aging and damage eventually because of 1 grade, the contact of circuit breaker is when disconnecting simultaneously, easily produce spark ablation contact, make relay-operated controller spoilage improve, have influence on the service behaviour of retarder；The control mode of existing electronics is the on-off control that the mode of analogue relay control carries out gear, can not inherently solve the problems referred to above, the power component in the controller of analogue relay control mode the most currently on the market is easily damaged because temperature is too high.
Utility model content
The technical problems to be solved in the utility model is: propose the electronic controller of a kind of current vortex retarder, it is possible to 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 simultaneously and accelerate to produce to conflict.
The technical scheme that this utility model is used is: a kind of current vortex retarder electronic controller, including MCU control unit, controller temperature monitoring unit, retarder temperature detecting unit, coolant-temperature gage detector unit, power tube driver element, power control unit assembly, discharge control unit, ABS/ throttle signal detector unit, voltage detecting circuit and CAN communication unit；The temperature of described controller temperature monitoring unit monitoring power control unit assembly, the outfan 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；The temperature of described coolant-temperature gage detector unit detection recirculated water, one end of coolant-temperature gage detector unit is connected with the cooling-water temperature sensor of retarder body, is connected with MCU control unit in the other end；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 outfan of described voltage detecting circuit connects the input of MCU control unit；Described discharge control unit controls output to the size of the retarder water yield；Discharge control unit forms water temperature closed loop control with coolant-temperature gage detector unit；Discharge control unit connects MCU control unit；The outfan of described ABS/ throttle signal detector unit connects the input of MCU control unit；Described CAN communication unit is connected with MCU control unit.
Further, this utility model also includes: power control unit, excessively protection circuit, serial communication unit, display lamp control unit, current detection circuit, brake lamp control unit, gear position detecting unit and Bus-Speed Monitoring unit；The input of described power control unit connects 24V external voltage；Outfan 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 display lamp display unit connects the outfan 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 brake lamp control unit connects the outfan of MCU control unit；The outfan of described gear position detecting unit connects the input of MCU control unit；The outfan of described Bus-Speed Monitoring unit connects the input of MCU control unit.
Further, then this utility model also includes EMC circuit.
The heat fading of current vortex retarder is the bottleneck that retarder is maximum, and retarder temperature is the highest, and produced moment is the least.In 20 minutes, the temperature of retarder magnet exciting coil can reach more than 200 DEG C, because being gradually reduced along with the increase electric current of temperature, and the moment of retarder also can be reduced to original half, the most how being lowered by retarder heat is the problem always explored of each producer, the heat of retarder is taken away by current by this utility model by the size controlling discharge, reaches the purpose of cooling；This discharge controls function discharge controllable size, and the discharge control unit controlled when retarder temperature height sends instruction to be increased inflow and take away more heat；When the temperature of retarder is low, the discharge control unit of controller sends instruction reduction inflow, thus reduces the effect of retarder temperature.
The power control device of controller is buffer controller critical piece, the power that temperature more high power control device is born is the least, the easiest to be damaged, controller temperature monitoring unit in this invention detects and will drop lower powered output when power device temperature is too high, until temperature is gradually increased power output again after returning to safe temperature point, thus reduce the problem that controller power device is overheated, it is provided that the serviceability of high retarder.
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 duty all the time, so this retarder coil is easiest to aging and damages, this utility model uses PWM pulsewidth modulation to carry out electrodeless control, the all coils in retarder is made to pass through electric current uniformly, do not have 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 duty of throttle, it is possible that both states are afoul with brake shows picture during operator, this utility model detect automobile accelerate or ABS duty would not output torque, solve this conflict situation.
The beneficial effects of the utility model are: the temperature of retarder reduced by discharge control unit, retarder temperature monitoring unit and coolant-temperature gage detector unit, reduce the heat fading rate of retarder；The output being reduced retarder by voltage detection unit when voltage is relatively low plays energy-saving and cost-reducing effect；Do not damaged by high temperature by controller temperature monitoring unit protection power tube assembly；By PWM (pulsewidth modulation) signal all Exciting Windings for Transverse Differential Protection are exported corresponding electric current, and then produce corresponding moment and the automobile moved ahead is played braking do use.
Accompanying drawing explanation
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is structure principle chart of the present utility model.
Detailed description of the invention
Presently in connection with accompanying drawing and preferred embodiment, this utility model is described in further detail.These accompanying drawings are the schematic diagram of simplification, and basic structure of the present utility model is described the most in a schematic way, and therefore it only shows the composition relevant with this utility model.
As it is shown in figure 1, the present embodiment includes that power control unit, overvoltage protection voltage, EMC circuit, brake lamp control unit, serial communication unit, display lamp 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 detector unit, Bus-Speed Monitoring unit, CAN communication unit, coolant-temperature gage detector unit, retarder temperature detecting unit, discharge control unit form.
Power control unit: be the power supply needed for providing for internal device work, the 24V voltage of outside automobile is converted into the burning voltage needed for inside by it, ensure that whole controller can work normally, its outside 101 interface that pass through is connected with the voltage of automobile, and internal each device with required voltage is connected.
Overvoltage crowbar: the mainly voltage outside monitoring does not exceeds the magnitude of voltage of design; each device within Bao Hu is not damaged by big voltage; it is connected with power control unit; if be detected that the input voltage of power control unit has exceeded setting voltage value; this circuit can make the voltage of power control unit forbid output so that it is his modules forbids that the effect of protection circuit is played in work.
EMC circuit: mainly meet the requirement of electromagnetic compatibility on automobile, stops extraneous electric electromagnetic interference, forbids that controller disturbs other electronic equipments simultaneously, and one end connects the sensitive all parts in each port with external communication, the other end and inside or unit set associative.
Serial communication unit: serial communication unit is mainly used for the data interaction of controller and host computer, information in controller will be transferred to host computer, some values of information when level controller detects are demonstrated in host computer, by host computer, parameter to be arranged being transferred to the parameter within controller amendment controller, this element is outside to be connected with host computer by 102 interfaces simultaneously；Inside is connected with the SCI module of MCU；
Display lamp control unit: for showing duty and the message code of retarder, during retarder work, display lamp is bright, and otherwise display lamp goes out, and display lamp also can show failure code simultaneously；This element one end is connected with MCU control unit；The other end is connected with outside display lamp by 103 interfaces.
Controller temperature monitoring unit: mainly monitor the temperature of power control unit assembly; because the output size of power tube is relevant with temperature height; temperature more high-power tube output is the least; the easiest to be breakdown; when the temperature that controller temperature monitoring unit detects power tube is too high; MCU control unit can reduce power output, returns to normal temperature, protects power tube.Controller temperature monitoring unit connects between internal temperature sensor and MCU control unit.
Retarder temperature detecting unit: be mainly used for monitoring the temperature of retarder magnet exciting coil；This element is outside to be connected with the cooling-water temperature sensor in the magnet exciting coil of retarder by 104 interfaces, and the internal A/D converting unit with MCU is connected,
Coolant-temperature gage detector unit: be used to detect the temperature of recirculated water, this element is outside to be connected by the cooling-water temperature sensor of 105 interfaces with retarder body, the internal A/D converting unit with MCU is connected, the effect of this recirculated water is the temperature for cooling down retarder, when water temperature is higher than setting value, retarder reduces a gear job, if water temperature is also above setting value retarder can be gradually lowered moment, until temperature is less than setting value.
Current detection circuit: being mainly used for the size of controller output electric current, whether the electric current of the number monitoring output just inputted according to outside with controller is set value, and adjusts the output of electric current.Its one end is connected with MCU control unit, and one end is connected with power control unit assembly.
Power tube driver element: be mainly used for driving the power component of power control unit assembly, the output signal of MCU control unit is converted into (PCC) power and becomes the driving signal of identification by it, controls the aperture of (PCC) power, and its one end is connected with MCU control unit；The other end is connected with power control unit assembly.
Power control unit assembly: be made up of many group powers and outer member, according to the voltage signal of power drive unit output control electric current output, and then the size of moment processed.It is connected with power drive unit inside it, is connected with power cathode and field coil assembly 108 respectively by 106 and 107 interfaces.
Voltage detecting circuit: for detecting the size of input voltage; if input voltage is high will drive unit by switch-off power pipe with setting value MCU control unit; protection power tube control unit is not damaged by; if input voltage is less than setting value; 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 controlling to export to the size of the retarder water yield, the radiating effect of the biggest retarder of the water yield is the best, and it has formed water temperature closed loop control, so that the temperature of retarder reaches hygral equilibrium with coolant-temperature gage detector unit.Its inside is connected with MCU controller；The other end is connected with outer total executor by 110 interfaces.
Brake lamp control unit: be mainly used for the control to brake lamp, when retarder works, brake lamp is in bright state, and otherwise brake lamp is in the state gone out, and is connected with brake lamp control signal outside this element, and inside is connected to MCU control unit.
Gear position detecting unit: this part is mainly used for the gear of retarder and arranges, 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%), being connected with bat-handle switch or Foot-controlled switch outside this element, the detector unit of internal MCU is connected.
ABS/ throttle detector unit: being the most in running order for detecting ABS or throttle, this element is connected with the ABS signal in car and throttle signal end respectively, if in running order, retarder forbids work, and otherwise retarder is in holding state
Bus-Speed Monitoring unit: be mainly used for detecting the speed of 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 adjusts the output torque of retarder.
CAN communication unit: be to be connected with the CAN on automobile by the transceiver of automotive interior to realize information sharing, being connected with automobile CAN-bus outside this element internal is connected with MCU.
This utility model improves the security performance of controller: have the testing circuit such as overvoltage, under-voltage, electric current in controller, the duty of automobile can be read by CAN communication and send the duty of retarder the most again, work timely adjustment to retarder, 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 voltage of automobile will be dragged down when the power supply capacity deficiency of automobile, have influence on automobile normally to work, in this utility model when automotive voltage electricity shortage on the low side being detected, retarder 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, existing retarder control mode is to be divided into 4 grades more, every grade of coil making its correspondence is operated, this mode can only produce the moment of 25%, 50%, 75% and 100%, and control mode of the present utility model can control the moment of any point in 0～100%, carry out step-less adjustment.
The temperature control technology of retarder: this utility model utilizes coolant-temperature gage detector unit, retarder temperature detecting unit and discharge control unit to control in efficient working range by the temperature of retarder body, reducing the heat fading rate of retarder, the service behaviour making retarder is more stable；
The data such as the gear of retarder and moment can be sent in automobile CAN-bus according to the corresponding moment of these State-outputs by duty such as water temperature, speed, gear etc. that CAN communication technology is used in buffer controller reading in real time automobile simultaneously.
Simply detailed description of the invention of the present utility model described in description above, flesh and blood of the present utility model is not construed as limiting by various illustrations, person of an ordinary skill in the technical field after having read description can to before described detailed description of the invention make an amendment or deform, without departing from the spirit and scope of utility model.
Claims (3)
1. a current vortex retarder electronic controller, it is characterised in that: include MCU control unit, controller temperature monitoring unit, retarder temperature detecting unit, coolant-temperature gage detector unit, power tube driver element, power control unit assembly, discharge control unit, ABS/ throttle signal detector unit, voltage detecting circuit and CAN communication unit；The temperature of described controller temperature monitoring unit monitoring power control unit assembly, the outfan 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；The temperature of described coolant-temperature gage detector unit detection recirculated water, one end of coolant-temperature gage detector unit is connected with the cooling-water temperature sensor of retarder body, is connected with MCU control unit in the other end；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 outfan of described voltage detecting circuit connects the input of MCU control unit；Described discharge control unit controls output to the size of the retarder water yield；Discharge control unit forms water temperature closed loop control with coolant-temperature gage detector unit；Discharge control unit connects MCU control unit；The outfan of described ABS/ throttle signal detector unit connects the input of MCU control unit；Described CAN communication unit is connected with MCU control unit.
2. a kind of current vortex retarder electronic controller as claimed in claim 1, it is characterised in that: also include: power control unit, excessively protection circuit, serial communication unit, display lamp control unit, current detection circuit, brake lamp control unit, gear position detecting unit and Bus-Speed Monitoring unit；The input of described power control unit connects 24V external voltage；Outfan 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 display lamp display unit connects the outfan 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 brake lamp control unit connects the outfan of MCU control unit；The outfan of described gear position detecting unit connects the input of MCU control unit；The outfan of described Bus-Speed Monitoring unit connects the input of MCU control unit.
3. a kind of current vortex retarder electronic controller as claimed in claim 1, it is characterised in that: also include EMC circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620181611.5U CN205647324U (en) | 2016-03-09 | 2016-03-09 | Eddy current retarder electronic controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620181611.5U CN205647324U (en) | 2016-03-09 | 2016-03-09 | Eddy current retarder electronic controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205647324U true CN205647324U (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620181611.5U Withdrawn - After Issue CN205647324U (en) | 2016-03-09 | 2016-03-09 | Eddy current retarder electronic controller |
Country Status (1)
| Country | Link |
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| CN (1) | CN205647324U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105577055A (en) * | 2016-03-09 | 2016-05-11 | 常州大米机电科技有限公司 | Eddy current retarder electronic controller |
-
2016
- 2016-03-09 CN CN201620181611.5U patent/CN205647324U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105577055A (en) * | 2016-03-09 | 2016-05-11 | 常州大米机电科技有限公司 | Eddy current retarder electronic controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161012 Effective date of abandoning: 20181012 |