CN203094029U - Braking control mechanism of an electromechanical composite braking system - Google Patents
Braking control mechanism of an electromechanical composite braking system Download PDFInfo
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- CN203094029U CN203094029U CN 201320049786 CN201320049786U CN203094029U CN 203094029 U CN203094029 U CN 203094029U CN 201320049786 CN201320049786 CN 201320049786 CN 201320049786 U CN201320049786 U CN 201320049786U CN 203094029 U CN203094029 U CN 203094029U
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Abstract
The utility model discloses a braking control mechanism of an electromechanical composite braking system and aims to solve the problem that in the prior art, the single effect of electric braking can not be achieved after a driver steps on a braking pedal. The braking control mechanism of the electromechanical composite braking system comprises a braking pedal, a sensor, a return spring, a motor shell body, a motor rotor, a motor stator and a rotating transversely moving transmission mechanism. The motor stator is fixed in an inner cavity of the motor shell body, the motor rotor which is inserted into an inner hole of the motor stator is installed in an inner cavity of the motor shell body through a first bearing and a second bearing in a rotating connection mode, the motor stator is sleeved on the rotating transversely moving transmission mechanism in a spline pair connection mode, the left end of the rotating transversely moving transmission mechanism is connected with the right end of an input force push rod in a sliding mode, the return spring is sleeved on the left end of the rotating transversely moving transmission mechanism between the input force push rod and the motor shell body, the left end of the input force push rod is hinged to the middle of the braking pedal, and one end, fixing the rotating shaft end, of the upper end of the braking pedal is fixedly connected with the rotating end of the sensor.
Description
Technical field
The utility model relates to a kind of steering unit that is applied on hybrid vehicle and the electronlmobil, and or rather, the utility model relates to a kind of steering unit that can realize that mechanical braking power and electric braking force are freely distributed in the electromechanical combined brake system.
Background technology
Along with environmental pollution and energy shortage problem more and more are subjected to the attention of national governments, pure electric automobile and hybrid vehicle had obtained the fast speed development in recent years, had tentatively produced certain social and economic benefit.Most automobile brands all have corresponding hybrid power and pure electrically operated exhibition car or product to appear on the market, and have obtained social extensive concern, and therefore the research and development of new-energy automobile also become one of focus of present automobile research and development.
In the process of automobile that taps a new source of energy, different dynamic assembly forms has been selected according to the difference of market orientation, cost level, technology path by each big automobile vendor, but substantially all belongs to the category of hybrid power and pure electric vehicle; And they face a problem---continual mileage was short when electric-only mode drove, at this problem, the continual mileage gordian technique more and more comes into one's own regenerative brake technology (is that electric energy in the battery uses when driving with the recover kinetic energy of glancing impact) under the electric-only mode as promoting.
Yet the brake system of new forms of energy car is formed (hereinafter to be referred as electromechanical combined braking) by regenerative brake and mechanical brake two parts of motor, and it is complicated more that this just makes the brake system of new forms of energy car compare with orthodox car; The lock torque of new forms of energy car is made of two parts, the one, the energy recovery lock torque that provides by motor, the 2nd, by the friction braking moment that traditional drg provides, sum of the two has constituted the total lock torque of pure electric automobile, and this has just related to the problem of the two distribution under the different operating modes.
Some scholars' result of study showed in recent years, and the brakig force distribution strategy of desirable electromechanical combined braking is: under the low rate of braking operating mode, and fully by motor braking, recuperated energy; Along with the increase of rate of braking, increase the shared proportion of mechanical braking power gradually.But in present various new forms of energy cars, producer adopts traditional pedal, vacuum booster, master cylinder arrangement more, so can't realize above-mentioned desirable electromechanical combined braking strategy.In the electromechanical combined brake system of existing vehicle, after chaufeur is stepped on brake pedal, mechanical braking sytem is effect immediately just, can't realize the independent effect of electric braking under the low rate of braking, so the energy that vehicle reclaims in motion is very limited, rely on the motor regenerative brake also very limited to the prolongation effect of continual mileage.
Summary of the invention
Technical problem to be solved in the utility model is that electric braking can't be realized the problem of effect separately after having overcome prior art and existing chaufeur to step on brake pedal, and a kind of electromechanical combined brake system brake operation mechanism is provided.
For solving the problems of the technologies described above, the utility model is to adopt following technical scheme to realize: described electromechanical combined brake system brake operation mechanism comprises brake pedal, sensor, pull back spring, electric machine casing, rotor, motor stator and rotation translation transmission device.
Motor stator is fixed in the inner chamber of electric machine casing, the rotor that inserts the motor stator endoporus adopt No. 1 bearing and No. 2 bearing installations at the inner chamber of electric machine casing for being rotationally connected, rotor is sleeved on the rotation translation transmission device and connects for spline pair, the left end and the input force push rod of rotation translation transmission device are sliding block joint, pull back spring is sleeved on the left end of the rotation translation transmission device between input force push rod and the electric machine casing, the left end of input force push rod and the middle part of brake pedal are hinged, and an end of the fixed rotating shaft of brake pedal upper end is captiveed joint with the round end of sensor.
Rotation translation transmission device described in the technical scheme is made up of ball-screw turnbarrel and output force pushing bar, and output force pushing bar inserts among the ball-screw turnbarrel, between ball-screw turnbarrel and the output force pushing bar ball is installed;
The left end of described rotation translation transmission device is meant the left end of output force pushing bar;
Described pull back spring is sleeved on the left end of the rotation translation transmission device between input force push rod and the electric machine casing and is meant: pull back spring is sleeved on the left end of the output force pushing bar between input force push rod and the electric machine casing.
Motor stator described in the technical scheme is between No. 1 bearing and No. 2 bearings, and the both ends of the surface of motor stator are connected the rotation axis conllinear of motor stator, No. 1 bearing and No. 2 bearings with No. 1 bearing with the inner side end contact of the outer race of No. 2 bearings.
The left end of the rotation translation transmission device described in the technical scheme and input force push rod are that sliding block joint is meant: the right-hand member axis of described input force push rod is provided with smooth cylinder blind hole, the left end of the output force pushing bar in the rotation translation transmission device is smooth cylinder, in the smooth cylinder blind hole of the left end insertion input force push rod right-hand member of output force pushing bar is free-running fit, when brake pedal does not have input force, have 5 millimeters to 50 mm distance between the bottom face of the smooth cylinder blind hole of input force push rod right-hand member and the left side of output force pushing bar.
Electric machine casing described in the technical scheme adopts bolted connection on vehicle frame or subframe, and the other end of the fixed rotating shaft of brake pedal upper end and car body are for being rotationally connected the fixed end of sensor and car body bolted connection.
The right-hand member of the rotation translation transmission device described in the technical scheme is that the right-hand member and the master brake cylinder in the mechanical braking sytem of output force pushing bar is hinged, the signal output part of sensor is connected with the signal input port of entire car controller by cable, and the three-phase output end of brake operation mechanism electric machine controller links to each other with three input ends of three phase windings of motor stator in the electromechanical combined brake system brake operation mechanism respectively.
Compared with prior art the beneficial effects of the utility model are:
1. electromechanical combined brake system brake operation described in the utility model mechanism can make the automobile that has electromechanical combined brake system reclaim more energy at glancing impact.In the scope that motor performance allows, this braking control system can realize that the arbitrary proportion of regenerative brake and mechanical braking distributes.Adopt the electromechanical combined brake system of traditional braking steering unit, as long as chaufeur is stepped on brake pedal, mechanical braking force generation just has been bound to, structure of the present utility model by comparison, at the low-intensity glancing impact, can realize only carrying out electric braking and mechanical braking sytem is not worked by motor, thereby make electronlmobil or hybrid vehicle can reclaim the energy of glancing impact to a greater extent, the energy that reclaims is used to drive operating mode, prolong the continual mileage of vehicle, reduce the consumption of current and the oil consumption of electronlmobil or hybrid vehicle.
2. electromechanical combined brake system brake operation described in the utility model mechanism has the function of brake boost simultaneously, propulsion source is a motor, compare with the traditional vacuum servo-unit, the motor power-assisted is only worked when chaufeur is stepped on brake pedal, vacuum booster pump then needs frequent work, and the energy consumption of electromechanical combined brake system brake operation mechanism described in the utility model when brake boost is lower.
3. electromechanical combined brake system brake operation described in the utility model mechanism is by suitable control, match with vehicle distance detector etc., can realize that initiatively braking function (in case of emergency promptly, brake operation mechanism made braking maneuver before chaufeur is stepped on brake pedal), have higher active safety begetting power.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described:
Fig. 1 is the front view that structure is formed under 0 the state at pedal stroke for electromechanical combined brake system brake operation described in the utility model mechanism;
Fig. 2 is the electromechanical combined brake system brake operation described in the utility model mechanism front view that structure is formed under the state of starting working;
Fig. 3 is the scheme drawing of electromechanical combined brake system brake operation mechanism described in the utility model and other parts annexation of automobile;
Among the figure: I. mechanical braking sytem, II. electrical brake system, III. electromechanical combined brake system brake operation mechanism, 1. brake pedal, 2. sensor, 3. input force push rod, 4. pull back spring, 5. electric machine casing, No. 6.1 bearings, 7. rotor, 8. motor stator, No. 9.2 bearings, 10. rotation translation transmission device, 11. output force pushing bar, 12. entire car controller, 13. brake operation mechanism electric machine controllers, 14. electric machine controllers, 15. drive motor, 16. master brake cylinder, No. 17.1 drgs, No. 18.2 drgs, 19.3 number drg, No. 20.4 drgs.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is explained in detail:
Consult Fig. 1, electromechanical combined brake system brake operation described in the utility model mechanism comprises brake pedal 1, sensor 2, input force push rod 3, pull back spring 4,5, No. 1 bearing 6 of electric machine casing, rotor 7,8, No. 2 bearings 9 of motor stator, rotation translation transmission device 10 and output force pushing bar 11.
Described brake pedal 1 is made up of stretcher, fixed rotating shaft and connecting rod, and connecting rod is to be fused by one section straight-bar and one section bow.Stretcher is fixed on an end of bow in the connecting rod, and fixed rotating shaft is fixed on an end of straight-bar in the connecting rod, and the midway location of straight-bar is provided with and the rectangular through hole of input force push rod 3 left end pivotallys attached in the connecting rod.
The various angular transducers that described sensor 2 can select for use those skilled in the art to use always, as potentiometer type angular transducer, Hall-type angular transducer and photo-electric angle sensor, in embodiment of the present utility model, preferentially select the Hall-type angular transducer for use, it has a fixed end and a round end.
The various springs that described pull back spring 4 can select for use those skilled in the art to use always as cylindrical spring, taper spring etc., are preferentially selected taper spring for use.
The various bearings that described No. 1 bearing 6 and No. 2 bearings 9 can select for use those skilled in the art to use always as tapered roller bearing, deep groove ball bearing etc., are preferentially selected tapered roller bearing for use.
Described rotor 7 is a cylinder mode spare, is provided with spline vertically on the cylindrical hole face of rotor 7, the rotor 7 preferential permanent-magnetic synchronous motor rotors that adopt, the rotor 7 preferential permanent-magnetic synchronous motor stators that permanent magnet is installed that adopt.
Described motor stator 8 is a cylinder mode spare, is wound with 3 phase windings on it.
What described rotation translation transmission device 10 adopted is the ball-screw transmission, promptly rotating translation transmission device 10 is made up of ball-screw turnbarrel and output force pushing bar 11, output force pushing bar 11 inserts among the ball-screw turnbarrel, the rotation axis conllinear of output force pushing bar 11 and ball-screw turnbarrel, between ball-screw turnbarrel and the output force pushing bar 11 ball is installed, be provided with vertically on the external cylindrical surface of ball-screw turnbarrel with rotor 7 on the equipped spline of spline.This transmission has the non-latching characteristics of two-way drive, and has than higher two-way drive efficient.The motion of translation spare of rotation translation transmission device 10 is output force pushing bar 11.
One end of the fixed rotating shaft of brake pedal 1 upper end is connected on the car body to being rotationally connected.The fixed rotating shaft end of brake pedal 1 upper end is captiveed joint with the round end of sensor 2, and connection mode is that interference connects, and the fixed end of sensor 2 is captiveed joint with car body, and connection mode is a bolted connection.The midway location of brake pedal 1 is connected for slide hinge with one (left side) end of input force push rod 3, and hinge-point can be done slip among a small circle on the connecting rod of brake pedal 1.The left end that another (right side) end that is provided with smooth cylindrical hole is sleeved on output force pushing bar 11 is a sliding block joint.Pull back spring 4 is sleeved on the output force pushing bar 11 between input force push rod 3 and the electric machine casing 5.
Output force pushing bar 11 left ends insert in the smooth cylindrical hole of input force push rod 3 right-hand members, between the smooth cylindrical hole diameter of input force push rod 3 right-hand members and the smooth cylinder external diameter of output force pushing bar 11 left ends is free-running fit, to guarantee that input force push rod 3 can have relative moving axially with output force pushing bar 11, smooth and easy for guaranteeing to move axially, can on the joint face of the two, smear grease.Another of output force pushing bar 11 (right side) end is hinged with the master brake cylinder 16 in the mechanical braking sytem I.
When brake pedal 1 no input force, pull back spring 4 is in the nature elongation state, should guarantee to have 5 millimeters to 50 mm distance between the left side of bottom face and output force pushing bar 11 of smooth cylindrical hole of input force push rod 3 right-hand members this moment, 15 millimeters of present embodiment employings are to 20 mm distance.
With reference to Fig. 3, electromechanical combined brake system brake operation described in the utility model mechanism III should be connected with mechanical braking sytem I, electrical brake system II, entire car controller 12 and brake operation mechanism electric machine controller 13 and collaborative work.Described mechanical braking sytem I comprises 18, No. 3 drgs 19 of 17, No. 2 drgs of 16, No. 1 drg of master brake cylinder and No. 4 drgs 20; Described electrical brake system II comprises electric machine controller 14 and drive motor 15.
Consult Fig. 1 and Fig. 3, the mouth of the output force pushing bar 11 of described electromechanical combined brake system brake operation mechanism III and the input end of the master brake cylinder 16 among the mechanical braking sytem I are hinged, the left oil inlet and outlet of master brake cylinder 16 is connected with No. 2 drg 18 pipelines with No. 1 drg 17, and the right oil inlet and outlet of master brake cylinder 16 is connected with No. 4 drg 20 pipelines with No. 3 drgs 19; The signal output part of the sensor 2 of electromechanical combined brake system brake operation mechanism III is connected by the signal input port of cable with entire car controller 12, and the brake operation mechanism instruction output end of entire car controller 12 is connected with the instruction input end of brake operation mechanism electric machine controller 13; The instruction input end of the electric machine controller 14 in the electric braking instruction output end of entire car controller 12 and the electrical brake system II is connected, and the three-phase output end of electric machine controller 14 is connected with the three-phase electricity input end of drive motor 15 respectively according to phase sequence; The three-phase output end of brake operation mechanism electric machine controller 13 links to each other with three input ends of three phase windings of motor stator 8 in the electromechanical combined brake system brake operation mechanism III respectively.
The principle of work of electromechanical combined brake system brake operation mechanism:
Chaufeur is stepped on brake pedal 1 carrying out the glancing impact pin, and brake pedal 1 is applied treadle effort.A whole set of braking control system is introduced driver pedal power by brake pedal 1.
In braking procedure, chaufeur is stepped on brake pedal 1, and brake pedal 1 passes to input force push rod 3 with the treadle effort of chaufeur, promotes input force push rod 3 and travels forward vertically, and input force push rod 3 was pressed to pull back spring 4 and made its compression this moment.Sensor 2 is measured the relative rotation of brake pedal 1 and sensor 2 fixed ends in real time, sensor 2 is scaled the angular signal that collects the pedal stroke of brake pedal 1 and exports the pedal stroke signal, and the entire car controller 12 of automobile can be judged the rate of braking of chaufeur needs according to this signal.
At the low-intensity glancing impact, chaufeur is less to the treadle effort that brake pedal applies, because of pull back spring 4 has certain rigidity, so the time input force push rod 3 strokes also corresponding less, initial distance less than input force push rod 3 cylindrical hole bottom surfaces and output force pushing bar left side, the cylindrical hole bottom surface of input force push rod 3 does not contact with the end face of output force pushing bar 11, so transmission of no axial force, this moment, brake operation mechanism electric machine controller 13 was not to motor stator 8 power supplies, motor stator 8 is not worked, input force push rod 11 does not have power to pass to the master brake cylinder 16 of mechanical braking sytem I, and mechanical braking sytem I does not act on.The entire car controller 12 of automobile can be judged the demand braking force of chaufeur according to the brake-pedal travel signal of sensor 2 outputs, output signal to electric machine controller 14 by calculating back entire car controller 12, electric machine controller 14 provides electric current according to the instruction that obtains to drive motor 15, control it and apply electric braking force (being regenerative brake), with recuperated energy.
Consult Fig. 2, when chaufeur seeks out the greater strength glancing impact, the state of electromechanical combined brake system brake operation mechanism III as shown in FIG., chaufeur can continue to apply treadle effort to step on brake pedal 1 deeply.At this moment, the axial force that brake pedal 1 passes to input force push rod 3 increases, the further compression retracteding position spring 4 of meeting, and pedal stroke increases thereupon.Increase along with pedal stroke, the cylindrical hole bottom surface of input force push rod 3 contacts with the left side of output force pushing bar 11, the treadle effort of chaufeur passes to output force pushing bar 11 by input force push rod 3, and at this moment, mechanical braking sytem I is subjected to the application force of output force pushing bar 11 and starts working.When mechanical braking sytem I starts working, the entire car controller 12 of automobile calculates the size of the required electric braking moment that applies according to the stroke signal of sensor 2, the output command adapted thereto produces electric braking moment for the drive motor 15 of electric machine controller 14 Control of Automobile, and this moment, electromechanical combined brake system worked together.Meanwhile, entire car controller 12 can be according to the stroke signal of sensor 2, the 3 phase winding outgoing currents of control brake steering unit electric machine controller 13 on motor stator 8, when the winding of motor stator 8 passes to electric current, can on rotor 7, produce torque, this torque becomes application force along output force pushing bar 11 axis by rotation translation mechanism 10 with the torque conversion of rotation, and this effort is in output force pushing bar 11.At this moment, the application force that the application force that the torque of rotor 7 produces and input force push rod 3 pass to output force pushing bar 11 together is delivered to the master brake cylinder 16 of the mechanical braking sytem I that is connected with output force pushing bar 11, needed like this driver pedal power has just reduced, thereby has reached the effect of brake boost; The electric current that entire car controller 12 passes through in can three phase windings according to different situations self-regulation motor stator 8 in this process, regulate the output torque of rotor 7 with this, thereby regulate the lock torque of mechanical braking sytem, reach the effect that improves braking safety and crew comfort.
When automobile needs in short-term braking during standstill (as situations such as waiting signal lamps), entire car controller 12 receives that Parking instruction control brake operation mechanism electric machine controller 13 provides electric current to motor stator 8, electronics rotor 7 can produce torque, this torque is converted into the axial force that acts on the output force pushing bar 11 by rotation translation mechanism 10, this axial force is delivered to the input end of master brake cylinder 16 among the mechanical braking sytem I, produce pressure, No. 1 drg 17 of mechanical braking sytem I in the pipeline that is connected between master brake cylinder 16 and four drgs, No. 2 drgs 18, No. 3 drgs 19 and No. 4 drgs 20 produce braking during standstill power.This moment, chaufeur did not apply treadle effort to brake pedal 1, and this electromechanical combined brake system brake operation mechanism controls mechanical braking sytem I can realize parking braking function.
In actual use, following situation may appear:
1. the demagnetization phenomenon appears in the permanent magnet on the rotor 7;
2. the winding on the motor stator 8 is because of overheated or the insulated paint breakage occurred by reasons such as water enchroachment (invasion) bubbles, thereby causes winding and electric machine casing 5 short circuits;
3. entire car controller 12 or brake operation mechanism electric machine controller 13 break down, and can't provide electric current or the like for the winding of motor stator 8.
When this class fault occurred, rotor 7 can can't produce torque.If need braking in this case, chaufeur is stepped on brake pedal 1 deeply it is applied treadle effort, input force push rod 3 is subjected to axial force and compression retracteding position spring 4, because of chaufeur is bigger to the treadle effort that brake pedal 1 applies in this case, can promote input force push rod 3 the cylindrical hole bottom surface of its right-hand member is contacted with the left side of output force pushing bar 11, output force pushing bar 11 was subjected to axial force and it was passed to mechanical braking sytem I making it produce braking force this moment.This shows that electromechanical combined brake system brake operation provided by the utility model mechanism still can realize braking function by the treadle effort of chaufeur when self part or automobile electric control system break down, can satisfy the requirement of travel safety.
Claims (6)
1. electromechanical combined brake system brake operation mechanism, it is characterized in that described electromechanical combined brake system brake operation mechanism comprises brake pedal (1), sensor (2), pull back spring (4), electric machine casing (5), rotor (7), motor stator (8) and rotation translation transmission device (10);
Motor stator (8) is fixed in the inner chamber of electric machine casing (5), the rotor (7) that inserts motor stator (8) endoporus adopts No. 1 bearing (6) and No. 2 bearings (9) to be installed in the inner chamber of electric machine casing (5) for being rotationally connected, it upward is that spline pair connects that rotor (7) is sleeved on rotation translation transmission device (10), the left end and the input force push rod (3) of rotation translation transmission device (10) are sliding block joint, pull back spring (4) is sleeved on the left end that is positioned at the rotation translation transmission device (10) between input force push rod (3) and the electric machine casing (5), the middle part of the left end of input force push rod (3) and brake pedal (1) is hinged, and an end of the fixed rotating shaft of brake pedal (1) upper end is captiveed joint with the round end of sensor (2).
2. according to the described electromechanical combined brake system brake operation of claim 1 mechanism, it is characterized in that, described rotation translation transmission device (10) is made up of ball-screw turnbarrel and output force pushing bar (11), output force pushing bar (11) inserts among the ball-screw turnbarrel, and ball-screw turnbarrel and output force pushing bar are equipped with ball between (11);
The left end of described rotation translation transmission device (10) is meant the left end of output force pushing bar (11);
Described pull back spring (4) is sleeved on and is meant on the left end that is positioned at the rotation translation transmission device (10) between input force push rod (3) and the electric machine casing (5) that pull back spring (4) is sleeved on the left end that is positioned at the output force pushing bar (11) between input force push rod (3) and the electric machine casing (5).
3. according to the described electromechanical combined brake system brake operation of claim 1 mechanism, it is characterized in that, described motor stator (8) is positioned between No. 1 bearing (6) and No. 2 bearings (9), the both ends of the surface of motor stator (8) are connected the rotation axis conllinear of motor stator (8), No. 1 bearing (6) and No. 2 bearings (9) with No. 1 bearing (6) with the inner side end contact of the outer race of No. 2 bearings (9).
4. according to the described electromechanical combined brake system brake operation of claim 1 mechanism, it is characterized in that the left end of described rotation translation transmission device (10) and input force push rod (3) are meant for sliding block joint:
The right-hand member axis of described input force push rod (3) is provided with smooth cylinder blind hole, the left end of the output force pushing bar (11) in the rotation translation transmission device (10) is smooth cylinder, in the smooth cylinder blind hole of left end insertion input force push rod (3) right-hand member of output force pushing bar (11) is free-running fit, when the no input force of brake pedal (1), have 5 millimeters to 50 mm distance between the bottom face of the smooth cylinder blind hole of input force push rod (3) right-hand member and the left side of output force pushing bar (11).
5. according to the described electromechanical combined brake system brake operation of claim 1 mechanism, it is characterized in that, described electric machine casing (5) adopts bolted connection on vehicle frame or subframe, the other end of the fixed rotating shaft of brake pedal (1) upper end and car body are for being rotationally connected the fixed end of sensor (2) and car body bolted connection.
6. according to the described electromechanical combined brake system brake operation of claim 1 mechanism, it is characterized in that, the right-hand member of described rotation translation transmission device (10) is that the right-hand member and the master brake cylinder (16) in the mechanical braking sytem (I) of output force pushing bar (11) is hinged, the signal output part of sensor (2) is connected by the signal input port of cable with entire car controller (12), and the three-phase output end of brake operation mechanism electric machine controller (13) links to each other with three input ends of three phase windings of motor stator (8) in the electromechanical combined brake system brake operation mechanism (III) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320049786 CN203094029U (en) | 2013-01-29 | 2013-01-29 | Braking control mechanism of an electromechanical composite braking system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320049786 CN203094029U (en) | 2013-01-29 | 2013-01-29 | Braking control mechanism of an electromechanical composite braking system |
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| CN203094029U true CN203094029U (en) | 2013-07-31 |
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| CN 201320049786 Expired - Fee Related CN203094029U (en) | 2013-01-29 | 2013-01-29 | Braking control mechanism of an electromechanical composite braking system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103085785A (en) * | 2013-01-29 | 2013-05-08 | 吉林大学 | Braking control mechanism of compound electromechanical braking system |
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2013
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103085785A (en) * | 2013-01-29 | 2013-05-08 | 吉林大学 | Braking control mechanism of compound electromechanical braking system |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20150129 |
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| EXPY | Termination of patent right or utility model |