WO2023060819A1

WO2023060819A1 - Electromagnetic braking energy recovery apparatus

Info

Publication number: WO2023060819A1
Application number: PCT/CN2022/078162
Authority: WO
Inventors: 程亮; 代小军; 杜民; 刘楠楠; 马巧妹; 谢成叶; 谢丁咚
Original assignee: 江苏淮海新能源车辆有限公司
Priority date: 2021-10-13
Filing date: 2022-02-28
Publication date: 2023-04-20
Also published as: CN113638992A; CN113638992B

Abstract

An electromagnetic braking energy recovery apparatus, related to the technical field of braking devices and comprising an energy recovery assembly (101) and an electromagnetic braking assembly (102). The energy recovery assembly (101) and the electromagnetic braking assembly (102) are coaxially arranged on a rotating shaft (111). The energy recovery assembly (101) internally comprises two magnets forming an annular shape. The rotating shaft (111) drives a coil to cut magnetic induction lines to generate electric energy, and the electric energy is stored in a storage battery to supply power to the electromagnetic braking assembly (102). The electromagnetic braking assembly (102) generates resistance to the magnets driven when the rotating shaft (111) rotates by using a magnetic field generated by the electrified coil, thereby hindering the rotation of the rotating shaft (111) and achieving the purpose of braking. The electromagnetic braking energy recovery apparatus is provided with the energy recovery assembly (101) to achieve efficient utilization of energy. Compared with conventional mechanical braking, the electromagnetic braking is more efficient, and the service life of the apparatus is longer.

Description

An 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 technique

Braking equipment is a very common equipment in modern machinery. Generally, braking equipment achieves braking of the rotating shaft through contact between mechanical structures and friction. Braking failure will affect the braking effect, and will cause a lot of energy waste during braking. The prior art (CN202022512477.1) discloses a drum brake, including a main shaft, and hubs are installed at both ends of the main shaft. Brake shoes are installed inside, and a brake power device is installed on the main shaft. The brake power device is connected to the transmission rod. The transmission rod extends into the hub and is connected to the brake shoe through the dial control. An air compression pump is installed on the main shaft, and the air compression pump communicates with the cavity inside the main shaft through an air delivery branch pipe, and a plurality of cooling pipes connected with the cavity inside the main shaft are arranged on the main shaft. Located in the hub, one end of the transmission rod is provided with an exhaust hole, which runs through the transmission rod and communicates with the inside of the hub. This existing technology can effectively reduce the temperature rise caused by braking, so that the temperature generated by braking can be reduced. Timely and effective external heat dissipation allows the brake to always work at a suitable temperature and prolongs the service life, but it still cannot solve the wear and tear on the mechanical parts during braking. Therefore, the present invention provides an electromagnetic braking energy recovery device that realizes no Contact braking avoids the occurrence of heat and wear, and realizes energy recovery at the same time.

technical problem

The existing technology can effectively reduce the problem of temperature rise caused by braking, so that the temperature generated by braking can be dissipated in a timely and effective manner, so that the brake always works at a suitable temperature and prolongs the service life, but it still cannot solve the problem of braking. wear on mechanical parts.

technical solution

In view of the above technical problems, the technical solution adopted in the present invention is: an electromagnetic brake energy recovery device, including an energy recovery component and an electromagnetic brake component, the energy recovery component is installed on the electromagnetic brake component, and the energy recovery component is connected with the electromagnetic brake component. The electromagnetic brake assembly is coaxial, and the energy recovery assembly and the electromagnetic brake assembly are coaxially installed on the rotating shaft; the energy recovery assembly includes a first magnetic ring and a second magnetic ring installed on the upper cover, and the rotating shaft rotates Drive the generator coil to rotate in the annular area formed by the first magnetic ring and the second magnetic ring to realize energy recovery.

The electromagnetic brake assembly includes brake coils evenly distributed on the bracket, the brake coils generate a magnetic field under the action of the energy recovery assembly, and the active rotating plate is coaxially fixed on the rotating shaft. The plate drives the connecting ring to rotate by rotating the runner mounted on the rotating seat. The permanent magnet is fixedly installed on the connecting ring, and the braking of the rotating shaft is realized by the resistance generated when the permanent magnet passes through the braking coil;

The electromagnetic brake assembly also includes a terminal block fixedly installed on the bracket, the terminal post is slidably installed on the terminal block, and the terminal block is connected with the wire end of the brake coil through the terminal block. A control switch is arranged between the connection terminal and the braking coil.

Further, the energy recovery assembly also includes a fixed pillar, the fixed pillar is coaxially and fixedly installed on the upper cover, the upper cover is fixedly installed on the bracket, the first magnetic ring is fixedly installed on the top of the upper cover, and the second The magnetic ring is installed on the fixed pillar through the support rod, and the rotating ring is installed on the fixed pillar, and the rotating ring is uniformly fixed with a plurality of coil supports, and the coil supports are fixedly connected with the rotating shaft. The part is fixedly connected with the terminal, the terminal is installed on the installation ring, and the installation ring is fixedly installed on the rotating shaft coaxially.

Further, the circumference of the binding post is evenly distributed on the installation ring, and the two ends of the same generating coil are connected with two binding posts at 180° on the circumference, and the generating coil provides electric energy for the braking coil .

Further, the wire ends of the plurality of braking coils are connected end to end to form a series path, the purpose of which is to make the currents in the plurality of braking coils the same, thereby ensuring the same magnetic field strength.

Further, the running wheel is a gear, and the positions of the active rotating plate and the connecting ring that are in contact with the running wheel are provided with toothed structures that cooperate with the running wheel. The connecting rings are fixedly installed on multiple frames, and the frames The circumference is evenly installed on the shaft sleeve, the inside of the frame is rotatably equipped with permanent magnets, the gears are coaxial with the permanent magnets, and the permanent magnets are rotatably installed at the ends of the frame.

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

Further, 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 and lower sides of the gear, and the first support ring and the second support ring The same number of tooth-shaped structures as the number of brake coils are evenly distributed on the top, and the tooth-shaped structures located above and below the gear are alternately arranged on both sides of the brake coil.

Further, the length of each segment of the tooth-shaped structure on the second supporting ring is determined to be able to rotate the permanent magnet by 180°.

Beneficial effect

Compared with the prior art, the beneficial effects of the present invention are: (1) The energy recovery component provided by the present invention utilizes the rotating shaft to drive the wire to cut the magnetic induction line to generate electricity, effectively realizing energy recovery; (2) The present invention sets The electromagnetic braking component realizes non-contact braking, which is more reliable and durable than the traditional braking method; (3) The invention utilizes the energy recovered by the device itself for braking, realizing the technical effect of energy saving and environmental protection.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of the energy recovery component of the present invention.

Fig. 3 is a schematic structural diagram of an energy recovery component from another angle of the present invention.

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

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

Fig. 6 is a partial structural diagram of the electromagnetic braking assembly of the present invention.

Fig. 7 is a schematic diagram of the structure of Fig. 6 with a bracket.

Reference numerals: 101-energy recovery component; 102-electromagnetic brake component; 103-top cover; 104-first magnetic ring; 105-second magnetic ring; 106-generating coil; 107-support rod; 108-fixed pillar ; 109-installation ring; 110-terminal; 111-rotating shaft; 120-connecting ring; 121-shaft sleeve; 122-ring slide rail; 123-the first support ring; 124-the second support ring; 125-permanent magnet; 126-frame; moving coil; 129-bolt.

Embodiments of the present invention

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

Wherein, the accompanying drawings are only for illustrative purposes, showing only schematic diagrams, rather than physical drawings, and should not be construed as limitations on this patent; in order to better illustrate the embodiments of the present invention, some parts of the accompanying drawings will be omitted, Enlargement or reduction does not represent the size of the actual product; for those skilled in the art, it is understandable that certain known structures and their descriptions in the drawings may be omitted.

Embodiment: As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 6, an electromagnetic brake energy recovery device includes an energy recovery component 101 and an electromagnetic brake component 102, and the energy recovery component 101 is coaxially fixed and installed on the electromagnetic system On the moving assembly 102, the energy recovery assembly 101 and the electromagnetic brake assembly 102 are coaxially installed on the rotating shaft 111. The energy recovery assembly 101 utilizes the rotation of the rotating shaft 111 to generate electric energy, and provides electric energy for the electromagnetic braking assembly 102 while realizing energy recovery. The function of the braking assembly 102 is to use the principle of electromagnetism, combined with the permanent magnet 125 driven when the rotating shaft 111 rotates, to generate resistance to prevent the rotating shaft 111 from rotating, so as to realize the braking of the rotating shaft 111 .

As shown in Figures 1-4, the upper cover 103 in the energy recovery assembly 101 is fixedly installed on the electromagnetic brake assembly 102, the first magnetic ring 104 is fixedly installed on the top of the upper cover 103, and the fixed pillar 108 is coaxially fixedly installed on the On the upper cover 103, the second magnetic ring 105 is fixedly installed on the fixed pillar 108 through the support rod 107, the rotating ring 112 is rotatably installed on the fixed pillar 108, one end of the coil support is fixedly installed on the rotating ring 112, and 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 arranged, and the generating coil 106 rotates in the annular area formed by the first magnetic ring 104 and the second magnetic ring 105 under the drive of the rotating shaft 111. , the mounting ring 109 is coaxially and fixedly installed on the rotating shaft 111, and the circumference of the binding post 110 is fixedly mounted on the mounting ring 109. The rotating plate 113 is coaxially and fixedly mounted on the mounting ring 109 .

As shown in Figures 4-7, the bracket 114 in the electromagnetic brake assembly 102 is fixedly installed on the base 115 by bolts 129, the upper cover 103 is fixedly installed on the bracket 114, and the terminal block 117 is fixedly installed on the support 114. 117 is coaxial with the rotating shaft 111, and the terminal block 117 is connected to the end of the brake coil 128 wound under the support 114 through the terminal 118. A control switch is arranged between the terminal 118 and the brake coil 128. There are three brake coils 128 in number. One, the rotating seat 119 is fixedly installed on the bracket 114, and the rotating wheel 116 is rotatably installed on the rotating seat 119, and the side of the rotating wheel 116 is provided with the part that is in contact with the driving rotating plate 113 and the connecting ring 120 to form a gear fit with the rotating wheel 116. Ring tooth structure, the connecting ring 120 is fixedly installed on the three frames 126, the three frames 126 are evenly installed on the sleeve 121, the frame 126 is slidably installed on the ring slide rail 122, and the frame 126 is fixedly installed on the sleeve 121 , the shaft sleeve 121 is rotatably installed on the base 115, the annular slide rail 122 is fixedly installed on the pedestal 115, the permanent magnet 125 is rotatably installed in the frame 126, the gear 127 is coaxially fixedly installed with the permanent magnet 125, and the first supporting ring 123 Fixedly installed on the bracket 114, the first support ring 123 is coaxially provided with three tooth structures, the first support ring 123 is installed on both sides of the gear 127, and the tooth structures on the upper and lower first support rings 123 are alternately located On both sides of the brake coil 128 , the length of each segment of the toothed structure on the first support ring 123 is half of the circumference of the gear 127 .

The working principle of an electromagnetic braking energy recovery device disclosed in the present invention is as follows: First, the generator coil 106 in the energy recovery assembly 101 is driven by the rotating shaft 111, and is composed of the first magnetic ring 104 and the second magnetic ring 105. Rotate in the annular space of the coil, cut the magnetic induction line to generate current, and the current is stored by the battery. When braking is required, the switch between the terminal 118 and the brake coil 128 is closed, and the power generation coil 106 supplies power to the brake coil 128. A magnetic field is generated inside the moving coil 128, and the active rotating plate 113 drives the permanent magnet 125 to rotate through the runner 116. When the permanent magnet 125 is located outside the braking coil 128, the polarity of the two ends of the braking coil 128 and the permanent magnet 125 are opposite. The moving coil 128 produces resistance to the rotation of the frame 126. Before the permanent magnet 125 enters the magnetic field of the braking coil 128, under the action of the tooth structure on the second support ring 124, the permanent magnet 125 turns over 180°, and the polarity of the permanent magnet 125 is reversed. The inside of the magnetic field of the brake coil 128 is still in a state where the rotation is hindered. Since the terminal 110 rotates in the terminal block 117, the direction of the magnetic field in the brake coil 128 changes with the change of the polarity of the terminal 118, and it is permanent. When the magnet 125 enters the brake coil 128 and leaves the brake coil 128, the direction of the magnetic field inside the brake coil 128 is opposite, so when the permanent magnet 125 leaves the magnetic field, it also needs to rotate 180°, so that the permanent magnet 125 is always under the influence of the magnetic field. The state of resistance, thus completing the braking.

The present invention is not limited to the above-mentioned specific implementation manners, and various transformations made by those skilled in the art starting from the above-mentioned concepts without creative work all fall within the protection scope of the present invention.

Claims

An electromagnetic brake energy recovery device, including an energy recovery component and an electromagnetic brake component, characterized in that: the energy recovery component is coaxially installed on the electromagnetic brake component, and the energy recovery component and the electromagnetic brake component are coaxially installed on the shaft;

The energy recovery assembly includes a first magnetic ring and a second magnetic ring installed on the upper cover, and the rotation of the rotating shaft drives the generator coil to rotate in the annular area formed by the first magnetic ring and the second magnetic ring to realize energy recovery. Recycle;

The electromagnetic brake assembly includes brake coils evenly distributed on the bracket, the brake coils generate a magnetic field under the action of the energy recovery assembly, and the active rotating plate is coaxially fixed on the rotating shaft. The plate drives the connecting ring to rotate by rotating the runner mounted on the rotating seat. The permanent magnet is fixedly installed on the connecting ring, and the braking of the rotating shaft is realized by the resistance generated when the permanent magnet passes through the braking coil;

The electromagnetic brake assembly also includes a terminal block fixedly installed on the bracket, the terminal post is slidably installed on the terminal block, and the terminal block is connected with the wire end of the brake coil through the terminal block. A control switch is arranged between the connection terminal and the braking coil.
An electromagnetic braking energy recovery device according to claim 1, characterized in that: said energy recovery assembly further comprises a fixed pillar, said fixed pillar is coaxially and fixedly installed on the upper cover, and the upper cover is fixedly installed on On the bracket, the first magnetic ring is fixedly installed on the top of the upper cover, the second magnetic ring is installed on the fixed pillar through the support rod, the rotating ring is installed on the fixed pillar, and a plurality of coil brackets are evenly and fixedly installed on the rotating ring. The coil support described above is fixedly connected to the rotating shaft, the end of the generating coil on the coil support is fixedly connected to the terminal, the terminal is installed on the mounting ring, and the mounting ring is coaxially and fixedly installed on the rotating shaft.
An electromagnetic brake energy recovery device according to claim 2, characterized in that: the circumference of the binding post is evenly distributed on the installation ring, and the two ends of the same generating coil are connected to two The terminals are connected together, and the generating coil provides electric energy for the braking coil.
An electromagnetic braking energy recovery device according to claim 1, characterized in that: the ends of a plurality of braking coil wires are connected end to end to form a series path.
An electromagnetic braking energy recovery device according to claim 1, characterized in that: the runner is a gear, and the positions on the active rotating plate and the connecting ring that are in contact with the runner are provided with teeth that cooperate with the runner. Shaped structure, the connecting ring is fixedly installed on multiple frames, the frame circumference is evenly installed on the shaft sleeve, the permanent magnet is installed inside the frame, the gear is coaxial with the permanent magnet, and the gear is installed at the end of the frame department.
An electromagnetic braking energy recovery device according to claim 5, wherein the number of said frames is the same as the number of braking coils.
An electromagnetic brake energy recovery device according to claim 5, characterized in that: the gear rotates under the action of the first support ring and the second support ring, and the first support ring and the second support ring are installed on On the upper and lower sides of the gear, the first support ring and the second support ring are evenly distributed with the same number of tooth-shaped structures as the number of brake coils, and the tooth-shaped structures located above and below the gear are alternately arranged on both sides of the brake coil .
An electromagnetic braking energy recovery device according to claim 7, wherein the length of each segment of the toothed structure on the second support ring is determined to be able to rotate the permanent magnet by 180°.