CN113638992B

CN113638992B - Electromagnetic braking energy recovery device

Info

Publication number: CN113638992B
Application number: CN202111189995.7A
Authority: CN
Inventors: 程亮; 代小军; 杜民; 刘楠楠
Original assignee: Jiangsu Huaihai New Energy Vehicle Co ltd
Current assignee: Jiangsu Huaihai New Energy Vehicle Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2021-12-14
Anticipated expiration: 2041-10-13
Also published as: WO2023060819A1; CN113638992A

Abstract

The invention discloses an electromagnetic braking energy recovery device, which belongs to the technical field of braking equipment and comprises an energy recovery component and an electromagnetic braking component, wherein the energy recovery component and the electromagnetic braking component are coaxially arranged on a rotating shaft, two magnets forming a ring are arranged in the energy recovery component, the rotating shaft drives a coil to cut a magnetic induction line to generate electric energy, the electric energy is stored in a storage battery and supplies power to the electromagnetic braking component, the electromagnetic braking component utilizes a magnetic field generated by a powered coil to generate resistance to the magnet driven by the rotating shaft when the rotating shaft rotates to block the rotating shaft from rotating, and the purpose of braking is realized.

Description

Electromagnetic braking energy recovery device

Technical Field

The invention relates to the technical field of braking equipment, in particular to an electromagnetic braking energy recovery device.

Background

The brake device is quite common in modern machinery, the common brake device realizes the brake of a rotating shaft through the contact between mechanical structures and friction force, the mode has large abrasion to parts, the brake failure can be caused after long-time use, the brake effect is influenced, and a large amount of energy waste can be caused during the brake, the prior art (CN 202022512477.1) discloses a drum brake, which comprises a main shaft, hubs are arranged at two ends of the main shaft, brake shoes are arranged in the hubs, a brake power device is arranged on the main shaft, the brake power device is connected with a transmission rod, the transmission rod extends into the hubs and is controlled and connected with the brake shoes through a shifting plate, a cavity is arranged in the main shaft, an air compression pump is arranged on the main shaft and is communicated with the cavity in the main shaft through an air delivery branch pipe, a plurality of cooling pipes communicated with the cavity in the main shaft are arranged on the main shaft, the cooling pipe is positioned in the wheel hub, the exhaust hole is formed in one end of the transmission rod, penetrates through the transmission rod and is communicated with the interior of the wheel hub, and the problem of temperature rise caused by braking can be effectively solved.

Disclosure of Invention

Aiming at the technical problems, the technical scheme adopted by the invention is as follows: an electromagnetic braking energy recovery device comprises an energy recovery assembly and an electromagnetic braking assembly, wherein the energy recovery assembly is arranged on the electromagnetic braking assembly, the energy recovery assembly is coaxial with the electromagnetic braking assembly, and the energy recovery assembly and the electromagnetic braking assembly are coaxially arranged on a rotating shaft; the energy recovery assembly comprises a first magnetic ring and a second magnetic ring which are arranged on the upper cover, and the rotating shaft rotates to drive the power generation coil to rotate in an annular area formed by the first magnetic ring and the second magnetic ring, so that energy recovery is realized.

The electromagnetic braking subassembly include evenly distributed's brake coil on the support, brake coil produce magnetic field under the effect of energy recuperation subassembly, the pivot on coaxial fixed mounting have the initiative to change the board, the initiative is changeed the board and is installed the runner drive go-between rotation on rotating the seat through rotating and rotate, the go-between on fixed mounting have a permanent magnet, the braking to the pivot is realized to the resistance that produces when through brake coil through the permanent magnet.

Furthermore, the energy recovery assembly further comprises a fixed support, the fixed support is coaxially and fixedly installed on the upper cover, the upper cover is fixedly installed on the support, the first magnetic ring is fixedly installed at the top of the upper cover, the second magnetic ring is installed on the fixed support through a supporting rod, a rotating ring is installed on the fixed support in a rotating mode, a plurality of coil supports are evenly and fixedly installed on the rotating ring, the coil supports are fixedly connected with the rotating shaft, the end portion of a power generation coil on each coil support is fixedly connected with a binding post, the binding post is installed on the mounting ring, and the mounting ring is coaxially and fixedly installed on the rotating shaft.

Furthermore, the wiring terminals are uniformly distributed on the mounting ring in the circumference, two ends of the same power generation coil are connected with the two wiring terminals which are 180 degrees on the circumference, and the power generation coil provides electric energy for the brake coil.

Furthermore, the electromagnetic brake assembly further comprises a wire holder fixedly mounted on the support, the wiring terminal is slidably mounted on the wire holder, the wire holder is connected with the end of a wire of the brake coil through the wiring terminal, and a control switch is arranged between the wiring terminal and the brake coil.

Furthermore, the ends of the wires of the plurality of brake coils are connected end to form a series circuit, so that the currents in the plurality of brake coils are the same, and the magnetic field intensity is ensured to be the same.

Furthermore, the rotating wheel is a gear, tooth-shaped structures matched with the rotating wheel are arranged at the positions, contacted with the rotating wheel, of the driving rotating plate and the connecting rings, the connecting rings are fixedly arranged on the frames, the circumferences of the frames are uniformly arranged on the shaft sleeve, permanent magnets are rotatably arranged in the frames, the gear is coaxial with the permanent magnets, and the permanent magnets are rotatably arranged at the end parts of the frames.

Further, the number of the frames is the same as that of the brake coils.

Furthermore, the gear rotates under the action of the first support ring and the second support ring, the first support ring and the second support ring are arranged on the upper side and the lower side of the gear, tooth-shaped structures with the same number as the braking coils are uniformly distributed on the first support ring and the second support ring, and the tooth-shaped structures above and below the gear are alternately arranged on the two sides of the braking coils.

Furthermore, the length of each section of the tooth-shaped structure on the second support ring is subject to the rotation of the permanent magnet by 180 degrees.

Compared with the prior art, the invention has the beneficial effects that: (1) the energy recovery assembly provided by the invention utilizes the rotation of the rotating shaft to drive the wire to cut the magnetic induction wire to generate electricity, so that the energy recovery is effectively realized; (2) the electromagnetic braking assembly realizes contactless braking, and is more reliable and durable compared with the traditional braking mode; (3) the invention utilizes the energy recovered by the device to brake, thereby realizing the technical effects of energy conservation and environmental protection.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of an energy recovery assembly according to the present invention.

Fig. 3 is a schematic view of an energy recovery assembly according to another aspect of the present invention.

Fig. 4 is a schematic structural view of the present invention with the upper cover removed.

Fig. 5 is a schematic structural diagram of the electromagnetic brake assembly.

Fig. 6 is a schematic view of a part of the electromagnetic brake assembly according to the present invention.

Fig. 7 is a schematic view of the structure of fig. 6 with a stent.

Reference numerals: 101-an energy recovery assembly; 102-an electromagnetic braking assembly; 103-upper cover; 104-a first magnetic ring; 105-a second magnetic ring; 106-a generating coil; 107-support bars; 108-a fixed post; 109-a mounting ring; 110-terminal post; 111-a rotating shaft; 112-a rotating ring; 113-active rotating plate; 114-a scaffold; 115-a base; 116-a wheel; 117-wire holder; 118-a connection terminal; 119-a rotating seat; 120-a connecting ring; 121-shaft sleeve; 122-an annular slide rail; 123-a first support ring; 124-a second support ring; 125-permanent magnet; 126-a frame; 127-gear; 128-a brake coil; 129-bolt.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example (b): as shown in fig. 1, 2, 3, and 6, an electromagnetic braking energy recovery device includes an energy recovery assembly 101 and an electromagnetic braking assembly 102, the energy recovery assembly 101 is coaxially and fixedly mounted on the electromagnetic braking assembly 102, the energy recovery assembly 101 and the electromagnetic braking assembly 102 are coaxially mounted on a rotating shaft 111, the energy recovery assembly 101 generates electric energy by using rotation of the rotating shaft 111, and provides the electric energy for the electromagnetic braking assembly 102 while achieving energy recovery, the electromagnetic braking assembly 102 functions to generate resistance force that hinders rotation of the rotating shaft 111 by using an electromagnetic principle in combination with a permanent magnet 125 driven when the rotating shaft 111 rotates, and braking of the rotating shaft 111 is achieved.

As shown in fig. 1-4, the upper cover 103 of the energy recovery module 101 is fixedly installed on the electromagnetic brake module 102, the first magnetic ring 104 is fixedly installed on the top of the upper cover 103, the fixing support 108 is coaxially and fixedly installed on the upper cover 103, the second magnetic ring 105 is fixedly installed on the fixing support 108 through the support rod 107, the rotating ring 112 is rotatably installed on the fixing support 108, one end of the coil support is fixedly installed on the rotating ring 112, the other end of the coil support is fixedly installed on the rotating shaft 111, the generating coil 106 is installed on the coil support, in this embodiment, 6 coil supports are provided, the generating coil 106 rotates in the annular region formed by the first magnetic ring 104 and the second magnetic ring 105 under the driving of the rotating shaft 111, the installation ring 109 is coaxially and fixedly installed on the rotating shaft 111, the terminals 110 are circumferentially and fixedly installed on the installation ring 109, two ends of the same generating coil 106 are connected with two terminals 110 at 180 degrees on the circumference, the driving rotating plate 113 is coaxially and fixedly mounted on the mounting ring 109.

As shown in fig. 4-7, a bracket 114 of the electromagnetic brake assembly 102 is fixedly mounted on a base 115 through a bolt 129, an upper cover 103 is fixedly mounted on the bracket 114, a wire holder 117 is fixedly mounted on the bracket 114, the wire holder 117 is coaxial with a rotating shaft 111, the wire holder 117 is connected with an end of a brake coil 128 wound below the bracket 114 through a wire terminal 118, a control switch is arranged between the wire terminal 118 and the brake coil 128, the number of the brake coils 128 is three, a rotating holder 119 is fixedly mounted on the bracket 114, a rotating wheel 116 is rotatably mounted on the rotating holder 119, a portion of a side surface of the rotating wheel 116, which is in contact with a driving rotating plate 113 and a connecting ring 120, is provided with an annular tooth-shaped structure forming a gear fit with the rotating wheel 116, the connecting ring 120 is fixedly mounted on three frames 126, the circumferences of the three frames 126 are uniformly mounted on a shaft sleeve 121, the frames 126 are slidably mounted on an annular slide rail 122, the frame 126 is fixedly installed on the shaft sleeve 121, the shaft sleeve 121 is rotatably installed on the base 115, the annular slide rail 122 is fixedly installed on the base 115, the permanent magnet 125 is rotatably installed in the frame 126, the gear 127 and the permanent magnet 125 are coaxially and fixedly installed together, the first support ring 123 is fixedly installed on the bracket 114, three tooth-shaped structures are coaxially arranged on the first support ring 123, the first support ring 123 is installed on two sides of the gear 127, the tooth-shaped structures on the upper first support ring 123 and the lower first support ring 123 are alternately located on two sides of the brake coil 128, and the length of each section of the tooth-shaped structure on the first support ring 123 is half of the circumference of the gear 127.

The working principle of the electromagnetic braking energy recovery device disclosed by the invention is as follows: firstly, the generating coil 106 in the energy recovery assembly 101 rotates in the annular space formed by the first magnetic ring 104 and the second magnetic ring 105 under the driving of the rotating shaft 111, the cutting magnetic induction line generates current, the current is stored by the storage battery, when braking is needed, the switch between the terminal 118 and the brake coil 128 is closed, the generating coil 106 supplies power to the brake coil 128, a magnetic field is generated inside the brake coil 128, the driving rotating plate 113 drives the permanent magnet 125 to rotate through the rotating wheel 116, when the permanent magnet 125 is positioned outside the brake coil 128, the polarities of the two ends of the brake coil 128 close to the permanent magnet 125 are opposite, the brake coil 128 generates resistance to the rotation of the frame 126, the permanent magnet 125 turns over 180 degrees under the action of the tooth structure on the second supporting ring 124 before the permanent magnet 125 enters the magnetic field of the brake coil 128, the polarity is reversed, so that the permanent magnet 125 is still in a state of being blocked from rotating inside the magnetic field of the brake coil 128, since the terminal 110 rotates in the socket 117, the direction of the magnetic field in the brake coil 128 changes with the change of the polarity of the terminal 118, and the direction of the magnetic field inside the brake coil 128 is opposite when the permanent magnet 125 enters the brake coil 128 and leaves the brake coil 128, so that the permanent magnet 125 also needs to rotate 180 ° when leaving the magnetic field, so that the permanent magnet 125 is in a resistance state at any time, thereby completing braking.

The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception and fall within the scope of the present invention.

Claims

1. The utility model provides an electromagnetic braking energy recuperation device, includes energy recuperation subassembly, electromagnetic braking subassembly, its characterized in that: the energy recovery assembly and the electromagnetic braking assembly are coaxially arranged on the rotating shaft;

the energy recovery assembly comprises a first magnetic ring and a second magnetic ring which are arranged on the upper cover, and the rotating shaft rotates to drive the power generation coil to rotate in an annular area formed by the first magnetic ring and the second magnetic ring so as to realize energy recovery;

the electromagnetic braking assembly comprises braking coils which are uniformly distributed on the bracket, the braking coils generate a magnetic field under the action of the energy recovery assembly, an active rotating plate is coaxially and fixedly mounted on the rotating shaft, the active rotating plate drives the connecting ring to rotate through a rotating wheel which is rotatably mounted on the rotating seat, a permanent magnet is fixedly mounted on the connecting ring, and the rotating shaft is braked through resistance generated when the permanent magnet passes through the braking coils;

the electromagnetic brake assembly further comprises a wire holder fixedly mounted on the support, the wiring terminal is slidably mounted on the wire holder, the wire holder is connected with the end portion of a wire of the brake coil through the wiring terminal, and a control switch is arranged between the wiring terminal and the brake coil.

2. An electromagnetic braking energy recovery apparatus as defined in claim 1, wherein: the energy recovery assembly further comprises a fixed support, the fixed support is coaxially and fixedly installed on the upper cover, the upper cover is fixedly installed on the support, the first magnetic ring is fixedly installed at the top of the upper cover, the second magnetic ring is installed on the fixed support through a supporting rod, the fixed support is rotatably provided with a rotating ring, the rotating ring is uniformly and fixedly provided with a plurality of coil supports, the coil supports are fixedly connected with the rotating shaft, the end part of a power generation coil on each coil support is fixedly connected with a binding post, the binding post is installed on the mounting ring, and the mounting ring is coaxially and fixedly installed on the rotating shaft.

3. An electromagnetic braking energy recovery apparatus as defined in claim 2, wherein: the circumference of the binding posts are uniformly distributed on the mounting ring, two ends of the same generating coil are connected with the two binding posts which are 180 degrees on the circumference, and the generating coil provides electric energy for the braking coil.

4. An electromagnetic braking energy recovery apparatus as defined in claim 1, wherein: the ends of the plurality of brake coil wires are connected end to form a series circuit.

5. An electromagnetic braking energy recovery apparatus as defined in claim 1, wherein: the rotating wheel is a gear, tooth-shaped structures matched with the rotating wheel are arranged at the positions, contacted with the rotating wheel, of the driving rotating plate and the connecting rings, the connecting rings are fixedly arranged on the frames, the circumferences of the frames are uniformly arranged on the shaft sleeve, the frames are internally and rotatably provided with permanent magnets, the gear is coaxial with the permanent magnets, and the gear is rotatably arranged at the end part of the frames.

6. An electromagnetic braking energy recovery apparatus according to claim 5, wherein: the number of the frames is the same as that of the brake coils.

7. An electromagnetic braking energy recovery apparatus according to claim 5, wherein: the brake device is characterized in that the gear rotates under the action of the first support ring and the second support ring, the first support ring and the second support ring are installed on the upper side and the lower side of the gear, tooth-shaped structures with the same number as the brake coils are uniformly distributed on the first support ring and the second support ring, and the tooth-shaped structures above and below the gear are alternately arranged on the two sides of the brake coils.

8. An electromagnetic braking energy recovery apparatus as defined in claim 7 wherein: the length of each section of tooth-shaped structure on the second support ring is subject to the rotation of the permanent magnet by 180 degrees.