CN111942158B - Braking energy recovery device, system, vehicle and energy recovery method - Google Patents
Braking energy recovery device, system, vehicle and energy recovery method Download PDFInfo
- Publication number
- CN111942158B CN111942158B CN202010658371.4A CN202010658371A CN111942158B CN 111942158 B CN111942158 B CN 111942158B CN 202010658371 A CN202010658371 A CN 202010658371A CN 111942158 B CN111942158 B CN 111942158B
- Authority
- CN
- China
- Prior art keywords
- energy recovery
- braking energy
- rotor disc
- brake pad
- pole magnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000011084 recovery Methods 0.000 title claims abstract description 106
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000004146 energy storage Methods 0.000 claims description 17
- 238000007667 floating Methods 0.000 claims description 17
- 238000009413 insulation Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- 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
- B60L7/10—Dynamic electric regenerative braking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/065—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing disc
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The application discloses a braking energy recovery device, a system, a vehicle and a braking energy recovery method, wherein the braking energy recovery device is applied to a driven wheel of the vehicle, the driven wheel comprises a hub bearing and a caliper disc brake, and the caliper disc brake is fixed on the hub bearing; the braking energy recovery device comprises a rotor disc, an N-pole magnetic brake pad, an S-pole magnetic brake pad and an electric brush device; the rotor disc is sleeved on the hub bearing, and the rotor disc and the driven wheel synchronously rotate; the N-pole magnetic brake pad and the S-pole magnetic brake pad are both fixedly arranged on the caliper disc brake, and the N-pole magnetic brake pad and the S-pole magnetic brake pad are oppositely arranged; a gap is formed between the N-pole magnetic brake pad and the S-pole magnetic brake pad, and the N-pole magnetic brake pad and the S-pole magnetic brake pad can form a magnetic field; the outer side of the rotor disc remote from the hub bearing can pass through the gap; the rotor disk can pass through the magnetic field when rotating; one end of the electric brush device is fixedly arranged on the caliper disc brake, and the other end of the electric brush device is in contact with the rotor disc.
Description
Technical Field
The present application relates to the field of braking energy recovery technologies, and in particular, to a braking energy recovery device, a braking energy recovery system, a vehicle, and an energy recovery method.
Background
The pure electric vehicle does not discharge harmful gas polluting the atmosphere in the running process, and has high environmental protection performance; the power performance is also greatly improved compared with the traditional fuel vehicle; but the cruising ability is limited by the weight of the whole vehicle and cannot be infinitely improved; the cruising ability becomes the key factor that restricts pure electric vehicles product competitiveness, through improving energy recuperation efficiency in the braking process, more the chemical energy that turns into power battery of the mechanical energy of vehicle, when equal whole car weight, pure electric vehicles can obtain longer cruising ability.
The general braking energy recovery technology can only rely on a driving motor to recover braking energy, and although the method can increase the cruising energy of a pure electric vehicle to a certain extent, the recovered energy is limited, and the energy recovery efficiency is low.
Disclosure of Invention
In order to solve the technical problem, the braking energy recovery device disclosed by the application is characterized in that the rotor disc, the N-pole magnetic brake pad, the S-pole magnetic brake pad and the electric brush device are arranged on the driving wheel, so that the rotor disc penetrates through a magnetic field formed by the N-pole magnetic brake pad and the S-pole magnetic brake pad when the rotor disc rotates, the driven wheel can realize braking energy recovery, and the energy recovery efficiency of a vehicle is improved.
In order to achieve the above object, the present application provides a braking energy recovery device, which is applied to a driven wheel of a vehicle, where the driven wheel includes a hub bearing and a caliper disc brake, and the caliper disc brake is fixed on the hub bearing; the braking energy recovery device comprises a rotor disc, an N-pole magnetic brake pad, an S-pole magnetic brake pad and an electric brush device;
the rotor disc is sleeved on the hub bearing, and the rotor disc and the driven wheel synchronously rotate;
the N-pole magnetic brake pad and the S-pole magnetic brake pad are both fixedly arranged on the caliper disc brake, and the N-pole magnetic brake pad and the S-pole magnetic brake pad are oppositely arranged;
a gap is formed between the N-pole magnetic brake pad and the S-pole magnetic brake pad, and the N-pole magnetic brake pad and the S-pole magnetic brake pad can form a magnetic field;
an outer side of the rotor disc remote from the hub bearing is passable through the gap; the rotor disk can pass through the magnetic field when rotating;
one end of the electric brush device is fixedly arranged on the caliper disc brake, and the other end of the electric brush device is in contact with the rotor disc.
In one embodiment, the rotor disc further comprises at least two insulation sheets, and the insulation sheets are pressed in the rotor disc to equally divide the rotor disc;
the insulation sheet is connected with the rotor disc in an interference fit manner.
In one embodiment, the hub bearing of the driven wheel comprises a fixed shaft and a rotating part, and the rotating part is sleeved on the fixed shaft; the caliper disc brake is fixedly connected with the fixed shaft;
the rotor disc is sleeved on the rotating part and fixedly connected with the rotating part, and the rotor disc and the rotating part rotate synchronously.
In one embodiment, the caliper disc brake comprises a caliper, wherein a U-shaped opening part is formed on the caliper, one end of the U-shaped opening part is fixedly connected with the fixed shaft, and the other end of the U-shaped opening part is a free end;
the outer side face of the rotor disc far away from the hub bearing can penetrate through the U-shaped opening part.
In one embodiment, the caliper disc brake further comprises a brake floating caliper, and the brake caliper is fixedly connected with the brake floating caliper through a guide pin;
the N-pole magnetic brake pad is fixedly connected with the braking floating clamp through a connecting piece;
the S-pole magnetic brake pad is fixedly connected with the brake caliper through a connecting piece;
and a gap formed by the N-pole magnetic brake pad and the S-pole magnetic brake pad is positioned in the U-shaped opening part.
In one embodiment, the brush arrangement includes a first brush and a second brush;
one end of the first electric brush is fixedly connected with the brake floating caliper, and the other end of the first electric brush is in contact with the outer side face, far away from the hub bearing, of the rotor disc;
one end of the second electric brush is fixedly connected with the brake caliper, and the other end of the second electric brush is in contact with the inner side face, close to the hub bearing, of the rotor disc.
The concrete advantages are that: the application discloses braking energy recovery unit through set up rotor dish, N utmost point magnetic brake block, S utmost point magnetic brake block and brush device on the driving wheel for the rotor dish passes the magnetic field that is formed by N utmost point magnetic brake block and S utmost point magnetic brake block when rotating, makes to realize braking energy recovery from the driving wheel, improves the energy recuperation efficiency of vehicle.
The application also provides a braking energy recovery system, which comprises a sensor device, a controller, a switch, an energy storage device and the braking energy recovery device;
the controller, the switch, the energy storage device and the braking energy recovery device form a braking energy recovery circuit;
the sensor device is used for detecting the running mode of the vehicle and sending the running mode of the vehicle to the controller;
the controller is used for controlling the switch to be closed when the running mode of the vehicle sent by the sensor device is a braking mode, so that the braking energy recovery circuit is conducted;
the braking energy recovery device is used for recovering the energy of the driven wheel and storing the recovered energy into the energy storage device when the braking energy recovery circuit is switched on.
The application also provides a vehicle, which comprises a driven wheel, a vehicle body and the braking energy recovery system, wherein the driven wheel comprises a hub bearing, and a fixed shaft of the hub bearing is fixedly connected with the vehicle body; the braking energy recovery device is arranged on the hub bearing;
the sensor device, the controller and the energy storage device are all arranged in the vehicle body.
The present application further provides a braking energy recovery method implemented based on the braking energy recovery system of claim 7, the method including:
acquiring an operation mode of a vehicle;
judging whether the running mode is a braking mode or not;
and if the operation mode is the braking mode, the braking energy recovery circuit is conducted to control the braking energy recovery device to recover energy.
In one embodiment, further comprising:
in the process of energy recovery, the wheel slip rate of the vehicle is obtained in real time;
judging whether the wheel slip rate is greater than a preset threshold value or not;
and if the wheel slip rate is greater than the preset threshold value, closing the braking energy recovery circuit and stopping energy recovery.
Drawings
In order to more clearly illustrate the technical solutions and advantages of the embodiments of the present application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic perspective view of a braking energy recovery device;
FIG. 2 is a top view of the braking energy recovery unit of FIG. 1;
FIG. 3 is a front view of the braking energy recovery device of FIG. 1;
FIG. 4 is a schematic structural diagram of a braking energy recovery circuit;
FIG. 5 is a schematic flow diagram of a braking energy recovery method;
wherein the reference numerals in the figures correspond to: the brake comprises a rotor disc 1, a magnetic brake pad 2-N pole, a brake floating caliper 3, a guide pin 4, a brake caliper 5, a U-shaped opening 501, a magnetic brake pad 6-S pole, a hub bearing 7, an insulating sheet 8, a first electric brush 9, a second electric brush 10, a controller 11, a sensor device 12, a switch 13 and an energy storage device 14.
Detailed Description
To make the objects, technical solutions and advantages of the present application more clear, the present application will be further described in detail with reference to the accompanying drawings.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. The terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. In different embodiment variants, identical components have the same reference numerals.
Example 1:
as shown in fig. 1 to 3, the present application discloses a braking energy recovery device applied to a driven wheel of a vehicle, wherein the driven wheel includes a hub bearing and a caliper disc brake, and the caliper disc brake is fixed on the hub bearing; the braking energy recovery device comprises a rotor disc 1, an N-pole magnetic brake pad 2, an S-pole magnetic brake pad 6 and an electric brush device;
the rotor disc 1 is sleeved on the hub bearing 7, and the rotor disc 1 and the driven wheel synchronously rotate;
the N-pole magnetic brake pad 2 and the S-pole magnetic brake pad 6 are both fixedly arranged on the caliper disc brake, and the N-pole magnetic brake pad 2 and the S-pole magnetic brake pad 6 are oppositely arranged;
a gap is formed between the N-pole magnetic brake pad 2 and the S-pole magnetic brake pad 6, and the N-pole magnetic brake pad 2 and the S-pole magnetic brake pad 6 can form a magnetic field;
the outer side of the rotor disk facing away from the hub bearing 7 can pass through the gap; the rotor disc 1 can pass through the magnetic field when rotating;
specifically, the magnetic field is a constant magnetic field;
one end of the electric brush device is fixedly arranged on the caliper disc brake, and the other end of the electric brush device is in contact with the rotor disc 1; the application discloses braking energy recovery unit through set up rotor dish 1, N utmost point magnetic brake block 2, S utmost point magnetic brake block 6 and brush device on the driving wheel for rotor dish 1 passes the magnetic field that is formed by N utmost point magnetic brake block 2 and S utmost point magnetic brake block 6 when rotating, makes to realize braking energy recovery from the driving wheel, improves the energy recuperation efficiency of vehicle.
In the embodiment of the present specification, the rotor disc further comprises at least two insulation sheets 8, and the insulation sheets 8 are pressed in the rotor disc 1 to divide the rotor disc 1; such that the rotor disc 1 forms a section of conductor, each section of conductor may be referred to as a W-K unit;
the insulating sheet 8 is connected with the rotor disc 1 in an interference fit manner.
In the embodiment of the present specification, the hub bearing 7 of the driven wheel includes a fixed shaft and a rotating part, and the rotating part is sleeved on the fixed shaft; the caliper disc brake is fixedly connected with the fixed shaft;
the rotor disc 1 is sleeved on the rotating part and fixedly connected with the rotating part, and the rotor disc 1 and the rotating part rotate synchronously.
In particular, the rotor disc 1 is fixed to the hub bearing 7 by means of a wheel nut.
In the embodiment of the present specification, the caliper disc brake includes a caliper 5, a "U" shaped opening 501 is formed on the caliper 5, one end of the "U" shaped opening 501 is fixedly connected to the fixed shaft, and the other end is a free end;
the outer side of the rotor disc remote from the hub bearing 7 can pass through the "U" shaped opening 501.
Specifically, a first end of the U-shaped opening portion is located on one side of the rotor disc 1 away from the wheel nut, and a second end of the U-shaped opening portion is located on one side of the rotor disc 1 close to the wheel nut;
preferably, a first end of the "U" shaped opening 501 is fixedly connected to the fixed shaft.
In the embodiment of the specification, the caliper disc brake further comprises a brake floating caliper 3, and the brake caliper 5 is fixedly connected with the brake floating caliper 3 through a guide pin 4;
the N-pole magnetic brake pad 2 is fixedly connected with the braking floating clamp 3 through a connecting piece;
the S-pole magnetic brake pad 6 is fixedly connected with the brake caliper 5 through a connecting piece;
the gap formed by the N-pole magnetic brake pad 2 and the S-pole magnetic brake pad 6 is located in the U-shaped opening 501.
Specifically, the connecting piece is a spring clamping piece, one end of the N-pole magnetic brake pad 2 is fixedly connected with the braking floating clamp 3 through the connecting piece, specifically, the spring clamping piece, and the other end is a free end;
the S-pole magnetic brake pad 6 is fixedly connected with the brake caliper 5 through a connecting piece specifically through a spring clamping piece, and the other end of the S-pole magnetic brake pad is a free end;
specifically, a hydraulic piston is arranged on the braking floating caliper 3, when braking is carried out, the free end of the N-pole magnetic brake pad 2 is contacted with the rotor disc 1 under the action of the hydraulic piston, and the free end of the S-pole magnetic brake pad 6 is contacted with the rotor disc 1 under the action of the hydraulic piston, so that friction braking on the driven wheel is realized;
meanwhile, the rotor disc 1 passes through a magnetic field when rotating, so that electromagnetic braking and energy recovery of the driven wheel are realized; and the braking effect is improved through double braking.
In the present specification embodiment, the brush device includes a first brush 9 and a second brush 10;
one end of the first electric brush 9 is fixedly connected with the brake floating caliper 3, and the other end of the first electric brush is in contact with the outer side surface of the rotor disc 1 far away from the hub bearing 7;
one end of the second brush 10 is fixedly connected to the brake caliper 5, and the other end thereof is in contact with the inner side surface of the rotor disc 1 near the hub bearing 7.
Specifically, through holes are formed in the brake floating caliper 3 and the brake caliper 5, one end of the first electric brush 9 penetrates through the through holes to be fixedly connected with one side, away from the brake caliper 5, of the brake floating caliper 3, and the other end of the first electric brush penetrates through the through holes to be in contact with the outer side face, away from the hub bearing 7, of the rotor disc 1 in a U-shaped opening part on the brake caliper 5;
one end of the brake caliper 5 connected to the fixed shaft is fixedly connected to a second brush 10, and the other end of the second brush 10 extends in the direction of the rotor disc 1 and contacts the inner surface of the rotor disc 1 close to the hub bearing 7.
Example 2:
as shown in fig. 4, the present application further provides a braking energy recovery system, which includes a sensor device 12, a controller 11, a switch 13, an energy storage device 14, and the braking energy recovery device;
the controller 11, the switch 13, the energy storage device 14 and the braking energy recovery device form a braking energy recovery circuit;
specifically, the switch 13 is in communication with a first brush 9 of the braking energy recovery device, the first brush 9 is in communication with a second brush 10 through the rotor disc 1 (the region indicated by point P) in the magnetic field, and the second brush 10 is in communication with the energy storage device.
The sensor device 12 is used for detecting the running mode of the vehicle and sending the running mode of the vehicle to the controller 11;
specifically, the operating modes of the vehicle may include a drive mode, a coast mode, and a brake mode;
the controller 11 is configured to control the switch 13 to be closed when the operation mode of the vehicle sent by the sensor device 12 is a braking mode, so that the braking energy recovery circuit is turned on;
the braking energy recovery device is configured to recover energy of the driven wheel and store the recovered energy into the energy storage device 14 when the braking energy recovery circuit is turned on.
Specifically, the controller 11 may be an ECU controller; the switch 13 may be a relay, the energy storage device 14 may be an energy storage device, and the controller receives information sent by the sensor device 12 through a CAN network;
when the controller 11 receives that the running mode of the vehicle is the driving mode or the coasting mode, the controller 11 controls the switch 13 to be opened, namely, the braking energy recovery circuit is disconnected, and the first electric brush 9 is grounded.
When the controller 11 receives the running mode braking mode of the vehicle, the controller 11 controls the switch 13 to be closed, so that the braking energy recovery circuit is conducted;
the rotor disc 1 rotating at this time cuts the magnetic field and is conducted through the first brush 9 and the second brush 10; current I is formed under the action of Lorentz magnetic forceW-K，
For example, if the number of W-K cells passing through the magnetic field is n per unit time t, the charging current to the energy storage device 14 is n × I per unit time tW-KAnd meanwhile, a charging voltage U is formed in the braking energy recovery circuit, and then the charging power is as follows: q is n × IW-K×U；
If the braking time is T, the energy recovered by the driven wheel in the braking process is as follows: j ═ Q × T.
Wherein, the current IW-KRelating to the speed of rotation of the vehicle and the strength of the constant magnetic field during braking; current IW-KIs varied with the rotation speed of the vehicle.
Voltage U, related to the internal resistance and temperature of the rotor disc 1; specifically, the more the number of the W-K units into which the rotor disk 1 is divided, the smaller the internal resistance; the greater the voltage.
Example 3:
the application also provides a vehicle, which comprises a driven wheel, a vehicle body and the braking energy recovery system, wherein the driven wheel comprises a hub bearing 7, and a fixed shaft of the hub bearing 7 is fixedly connected with the vehicle body; the braking energy recovery device is arranged on the hub bearing 7;
the sensor device 12, the controller 11, and the energy storage device 14 are all disposed within the vehicle body.
Specifically, the fixed shaft of the hub bearing 7 is fixed on the rear axle of the vehicle body through a bolt; the rim of the driven wheel is sleeved on the rotating part of the hub bearing 7 and rotates synchronously with the rotating part;
a rotor disc 1 of the braking energy recovery device is sleeved on a rotating part of the hub bearing 7, and the rotor disc 1 and the rotating part rotate synchronously;
example 4:
the application also provides a braking energy recovery method, which is implemented based on the braking energy recovery system, as shown in fig. 5, which is a schematic flow diagram of the braking energy recovery method, and specifically includes the following steps: the method comprises the following steps:
s101, acquiring a running mode of a vehicle;
in the embodiments herein, the operating modes of the vehicle may include a drive mode, a coast mode, and a brake mode;
s103, judging whether the running mode is a braking mode;
in the embodiment of the present specification, when the acquired signal is a braking signal, it is determined that the operation mode is a braking mode;
s105, if the operation mode is a braking mode, the braking energy recovery circuit is conducted, and the braking energy recovery device is controlled to recover energy;
in this embodiment of the present specification, the turning on the braking energy recovery circuit includes turning on a control switch, so as to turn on the braking energy recovery circuit;
the controlling the braking energy recovery device to recover energy comprises the following steps:
a1, acquiring the charging power and the braking duration in unit time;
in this embodiment, the obtaining the charging power per unit time includes:
obtaining current and charging voltage formed in the rotation process of the rotor disc in the process of cutting the magnetic field;
acquiring the number of W-K units passing through the magnetic field in the rotation process of the rotor disc for cutting the magnetic field in unit time;
and calculating to obtain the charging power in unit time according to the number of the W-K units, the current and the charging voltage.
Specifically, the acquiring the charging voltage of the rotor disc in the rotation process of the cutting magnetic field includes:
obtaining current and internal resistance of the rotor disc formed in the rotation process of the rotor disc in a cutting magnetic field;
and calculating to obtain the charging voltage in the energy recovery circuit according to the current and the internal resistance of the rotor disc.
A2, calculating according to the charging power and the braking duration to obtain the energy recovered by the driven wheel in the braking process within the braking duration;
specifically, the energy recovered by the driven wheel in the braking process within the braking duration can be obtained by multiplying the charging power of unit time by the braking duration.
In the embodiment of this specification, still include:
in the process of energy recovery, the wheel slip rate of the vehicle is obtained in real time;
judging whether the wheel slip rate is greater than a preset threshold value or not;
and if the wheel slip rate is greater than the preset threshold value, closing the braking energy recovery circuit and stopping energy recovery.
Specifically, whether energy recovery needs to be stopped or not is judged according to the wheel slip rate; in particular, the method comprises the following steps of,
when the wheel slip rate is larger than a preset first threshold and smaller than a preset threshold, reducing the recovery of braking energy;
and when the current value is greater than the preset threshold value, closing the braking energy recovery circuit and stopping energy recovery.
Specifically, the preset first threshold may be 0.1, and the preset threshold may be 0.2.
The braking energy recovery method can be applied to the field of pure electric vehicles, can improve the braking energy recovery efficiency of the high-purity electric vehicle, and increases the cruising ability.
The above disclosure is only one preferred embodiment of the present application, and certainly does not limit the scope of the present application, which is therefore intended to cover all modifications and equivalents of the claims.
Claims (10)
1. A braking energy recovery device characterized by: the braking energy recovery device is applied to a driven wheel of a vehicle, the driven wheel comprises a hub bearing and a caliper disc brake, and the caliper disc brake is fixed on the hub bearing; the braking energy recovery device comprises a rotor disc (1), an N-pole magnetic brake pad (2), an S-pole magnetic brake pad (6) and an electric brush device;
the rotor disc (1) is sleeved on the hub bearing (7), and the rotor disc (1) and the driven wheel rotate synchronously;
the N-pole magnetic brake pad (2) and the S-pole magnetic brake pad (6) are both fixedly arranged on the caliper disc brake, and the N-pole magnetic brake pad (2) and the S-pole magnetic brake pad (6) are oppositely arranged;
a gap is formed between the N-pole magnetic brake pad (2) and the S-pole magnetic brake pad (6), and the N-pole magnetic brake pad (2) and the S-pole magnetic brake pad (6) can form a magnetic field;
the outer side of the rotor disc remote from the hub bearing (7) can pass through the gap; the rotor disc (1) can pass through the magnetic field when rotating;
one end of the electric brush device is fixedly arranged on the caliper disc brake, and the other end of the electric brush device is in contact with the rotor disc (1);
the caliper disc brake comprises a brake floating caliper (3) and a brake caliper (5);
the N-pole magnetic brake pad (2) is fixedly connected with the braking floating clamp (3) through a spring clamping piece;
the S-pole magnetic brake pad (6) is fixedly connected with the brake caliper (5) through a spring clamping piece.
2. The braking energy recovery device of claim 1, wherein: the rotor disc (1) is divided into two parts, namely the rotor disc (1) and the rotor disc (1) are divided into two parts, namely the rotor disc (1) and the rotor disc (1) which are connected with each other in a pressed mode, and the rotor disc (1) is divided into two parts;
the insulation sheet (8) is connected with the rotor disc (1) in an interference fit manner.
3. The braking energy recovery device of claim 1, wherein: the hub bearing (7) of the driven wheel comprises a fixed shaft and a rotating part, and the rotating part is sleeved on the fixed shaft;
the caliper disc brake is fixedly connected with the fixed shaft;
the rotor disc (1) is sleeved on the rotating part and fixedly connected with the rotating part, and the rotor disc (1) and the rotating part rotate synchronously.
4. The braking energy recovery device of claim 3, wherein: the brake caliper (5) is provided with a U-shaped opening part (501),
one end of the U-shaped opening part (501) is fixedly connected with the fixed shaft, and the other end of the U-shaped opening part is a free end;
the outer side of the rotor disc, which is far away from the hub bearing (7), can pass through the U-shaped opening part (501).
5. The braking energy recovery device of claim 4, wherein: the brake caliper (5) is fixedly connected with the brake floating caliper (3) through a guide pin (4);
and a gap formed by the N-pole magnetic brake pad (2) and the S-pole magnetic brake pad (6) is positioned in the U-shaped opening part (501).
6. The braking energy recovery device of claim 4, wherein: the brush arrangement comprises a first brush (9) and a second brush (10);
one end of the first electric brush (9) is fixedly connected with the brake floating caliper (3), and the other end of the first electric brush is contacted with the outer side surface of the rotor disc (1) far away from the hub bearing (7);
one end of the second electric brush (10) is fixedly connected with the brake caliper (5), and the other end of the second electric brush is contacted with the inner side surface, close to the hub bearing (7), of the rotor disc (1).
7. A braking energy recovery system, characterized by: comprising a sensor device (12), a controller (11), a switch (13), an energy storage device (14) and a braking energy recovery device according to any of claims 1-6;
the controller (11), the switch (13), the energy storage device (14) and the braking energy recovery device form a braking energy recovery circuit;
the sensor device (12) is used for detecting the running mode of the vehicle and sending the running mode of the vehicle to the controller (11);
the controller (11) is used for controlling the switch (13) to be closed when the running mode of the vehicle sent by the sensor device (12) is a braking mode, so that the braking energy recovery circuit is conducted;
the braking energy recovery device is used for recovering the energy of the driven wheel and storing the recovered energy into the energy storage device (14) when the braking energy recovery circuit is conducted.
8. A vehicle, characterized in that: the braking energy recovery system comprises a driven wheel, a vehicle body and the braking energy recovery system as claimed in claim 7, wherein the driven wheel comprises a hub bearing (7), and a fixed shaft of the hub bearing (7) is fixedly connected with the vehicle body; the braking energy recovery device is arranged on the hub bearing (7);
the sensor device (12), the controller (11) and the energy storage device (14) are all arranged in the vehicle body.
9. A braking energy recovery method characterized by: the braking energy recovery method implemented based on the braking energy recovery system of claim 7, the method comprising:
acquiring an operation mode of a vehicle;
judging whether the running mode is a braking mode or not;
and if the operation mode is the braking mode, the braking energy recovery circuit is conducted to control the braking energy recovery device to recover energy.
10. The braking energy recovery method of claim 9, wherein: further comprising:
in the process of energy recovery, the wheel slip rate of the vehicle is obtained in real time;
judging whether the wheel slip rate is greater than a preset threshold value or not;
and if the wheel slip rate is greater than the preset threshold value, closing the braking energy recovery circuit and stopping energy recovery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010658371.4A CN111942158B (en) | 2020-07-09 | 2020-07-09 | Braking energy recovery device, system, vehicle and energy recovery method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010658371.4A CN111942158B (en) | 2020-07-09 | 2020-07-09 | Braking energy recovery device, system, vehicle and energy recovery method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111942158A CN111942158A (en) | 2020-11-17 |
| CN111942158B true CN111942158B (en) | 2022-04-12 |
Family
ID=73341546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010658371.4A Active CN111942158B (en) | 2020-07-09 | 2020-07-09 | Braking energy recovery device, system, vehicle and energy recovery method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111942158B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115214577B (en) * | 2021-12-17 | 2023-08-15 | 广州汽车集团股份有限公司 | Control method, system and storage medium for brake hydraulic compensation |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003088090A (en) * | 2001-09-05 | 2003-03-20 | Central Japan Railway Co | Regenerative brake |
| JP2005073429A (en) * | 2003-08-26 | 2005-03-17 | Sumitomo Metal Ind Ltd | Eddy-current speed reducer |
| JP2005130596A (en) * | 2003-10-23 | 2005-05-19 | Sumitomo Metal Ind Ltd | Eddy current type reduction gear |
| CN1618649A (en) * | 2003-11-18 | 2005-05-25 | 现代自动车株式会社 | Method and system for controlling regenerative braking of a four wheel drive electric vehicle |
| DE102004035312A1 (en) * | 2004-07-21 | 2006-02-16 | Robert Bosch Gmbh | Disk brake for vehicle has brake disk, brake pad which can be brought in contact with brake disk using operating device to execute for decelerating vehicle, and magnetic element to fix position of brake pad relative to brake disk |
| KR20060053591A (en) * | 2004-11-17 | 2006-05-22 | 현대자동차주식회사 | Cooling apparatus for a brake |
| CN102261403A (en) * | 2010-05-31 | 2011-11-30 | 比亚迪股份有限公司 | Brake and braking energy reclaiming system with same |
| CN202782729U (en) * | 2012-05-03 | 2013-03-13 | 田丽娟 | Automobile electromagnetic brake power generation system |
| WO2014176554A2 (en) * | 2013-04-26 | 2014-10-30 | Millennial Research Corporation | Multi-phase modular coil element for electric motor and generator |
| CN105515324A (en) * | 2016-01-28 | 2016-04-20 | 镇江市建科工程质量检测中心有限公司 | Wheel generating device |
| CN105599616A (en) * | 2016-01-06 | 2016-05-25 | 北京新能源汽车股份有限公司 | Braking energy recovery control method and device and electric vehicle |
| CN205331294U (en) * | 2016-01-16 | 2016-06-22 | 东北林业大学 | Compound disc brake with unmanned emergent brake function |
| CN206368926U (en) * | 2016-11-25 | 2017-08-01 | 安徽工程大学 | Electro-magnetic braking device and the electric car with it |
| CN208057775U (en) * | 2017-12-26 | 2018-11-06 | 浙江联宜电机有限公司 | Electromagnetic brake piece and brake shoes fit structure |
| KR101953243B1 (en) * | 2017-06-13 | 2019-02-28 | 인하대학교 산학협력단 | Disk break system using MRE |
| CN110401307A (en) * | 2019-07-26 | 2019-11-01 | 王宝 | A kind of auxiliary power supply wheel |
| FR3090057A1 (en) * | 2018-12-17 | 2020-06-19 | Psa Automobiles Sa | Disc brake system comprising a caliper coated with a magnetic layer |
| WO2020139090A1 (en) * | 2018-12-28 | 2020-07-02 | Universidad César Vallejo S.A.C. | Three-phase axial-flow electric motor |
-
2020
- 2020-07-09 CN CN202010658371.4A patent/CN111942158B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003088090A (en) * | 2001-09-05 | 2003-03-20 | Central Japan Railway Co | Regenerative brake |
| JP2005073429A (en) * | 2003-08-26 | 2005-03-17 | Sumitomo Metal Ind Ltd | Eddy-current speed reducer |
| JP2005130596A (en) * | 2003-10-23 | 2005-05-19 | Sumitomo Metal Ind Ltd | Eddy current type reduction gear |
| CN1618649A (en) * | 2003-11-18 | 2005-05-25 | 现代自动车株式会社 | Method and system for controlling regenerative braking of a four wheel drive electric vehicle |
| DE102004035312A1 (en) * | 2004-07-21 | 2006-02-16 | Robert Bosch Gmbh | Disk brake for vehicle has brake disk, brake pad which can be brought in contact with brake disk using operating device to execute for decelerating vehicle, and magnetic element to fix position of brake pad relative to brake disk |
| KR20060053591A (en) * | 2004-11-17 | 2006-05-22 | 현대자동차주식회사 | Cooling apparatus for a brake |
| CN102261403A (en) * | 2010-05-31 | 2011-11-30 | 比亚迪股份有限公司 | Brake and braking energy reclaiming system with same |
| CN202782729U (en) * | 2012-05-03 | 2013-03-13 | 田丽娟 | Automobile electromagnetic brake power generation system |
| WO2014176554A2 (en) * | 2013-04-26 | 2014-10-30 | Millennial Research Corporation | Multi-phase modular coil element for electric motor and generator |
| CN105599616A (en) * | 2016-01-06 | 2016-05-25 | 北京新能源汽车股份有限公司 | Braking energy recovery control method and device and electric vehicle |
| CN205331294U (en) * | 2016-01-16 | 2016-06-22 | 东北林业大学 | Compound disc brake with unmanned emergent brake function |
| CN105515324A (en) * | 2016-01-28 | 2016-04-20 | 镇江市建科工程质量检测中心有限公司 | Wheel generating device |
| CN206368926U (en) * | 2016-11-25 | 2017-08-01 | 安徽工程大学 | Electro-magnetic braking device and the electric car with it |
| KR101953243B1 (en) * | 2017-06-13 | 2019-02-28 | 인하대학교 산학협력단 | Disk break system using MRE |
| CN208057775U (en) * | 2017-12-26 | 2018-11-06 | 浙江联宜电机有限公司 | Electromagnetic brake piece and brake shoes fit structure |
| FR3090057A1 (en) * | 2018-12-17 | 2020-06-19 | Psa Automobiles Sa | Disc brake system comprising a caliper coated with a magnetic layer |
| WO2020139090A1 (en) * | 2018-12-28 | 2020-07-02 | Universidad César Vallejo S.A.C. | Three-phase axial-flow electric motor |
| CN110401307A (en) * | 2019-07-26 | 2019-11-01 | 王宝 | A kind of auxiliary power supply wheel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111942158A (en) | 2020-11-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5333649B2 (en) | Vehicle regeneration control system | |
| CN111942158B (en) | Braking energy recovery device, system, vehicle and energy recovery method | |
| CN1974285A (en) | Regenerating brake control method for mixed power automobile | |
| CN1050358A (en) | Energy recovery system for motor vehicle | |
| CN102795221A (en) | Electric vehicle electric-hydraulic hybrid driving system and control method thereof | |
| CN104015623A (en) | Vehicle control system of blade electric vehicle and blade electric vehicle structure | |
| CN110539643A (en) | Method and device for controlling high voltage of electric automobile | |
| CN101605675B (en) | Method and vehicle electric system for a motor vehicle with a pre-emptive temporary increase in the idling speed of the internal combustion engine | |
| CN200964062Y (en) | Auxiliary braking device for vehicle | |
| Lin et al. | ABS control design for two-wheel drive electric vehicles | |
| CN109866621A (en) | A kind of pure electric vehicle braking energy consumption recyclable device | |
| CN110091719A (en) | A kind of pure electric vehicle brake power recovering device | |
| JP2019213319A (en) | vehicle | |
| JPH10271607A (en) | Brake control equipment of electric vehicle | |
| CN106698271A (en) | Standing driving type forklift braking system | |
| CN201102477Y (en) | Rheostatic braking switch control device of diesel locomotive | |
| CN113799614B (en) | Brake energy recovery control method and system for four-wheel independent drive electric vehicle | |
| JPH0614445U (en) | Hybrid car | |
| JP3623496B2 (en) | Vehicle control device | |
| US9819245B2 (en) | Power generation apparatus | |
| CN205632119U (en) | Intelligence energy recuperation wheel power generation facility and adoption device's wheel | |
| JP2010012992A (en) | Traveling support device of vehicle | |
| CN206426839U (en) | It is a kind of wear-resisting and can anti-sticking stone Electricmotor car wheel | |
| CN112440751A (en) | Electric vehicle braking energy recovery method | |
| JP3646305B2 (en) | Hybrid car |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230821 Address after: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee after: Chongqing Ruilan Automobile Research Institute Co.,Ltd. Address before: No.3366 Weiwu Road, dajiangdong Industrial Cluster District, Hangzhou, Zhejiang Province Patentee before: ZHEJIANG JIZHI NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231201 Address after: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee after: Chongqing Ruilan Automobile Research Institute Co.,Ltd. Patentee after: Chongqing Ruilan Automotive Technology Co.,Ltd. Address before: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee before: Chongqing Ruilan Automobile Research Institute Co.,Ltd. |
|
| TR01 | Transfer of patent right |