CN-224233396-U - Power taking device in non-contact wireless power supply system

CN224233396UCN 224233396 UCN224233396 UCN 224233396UCN-224233396-U

Abstract

The utility model relates to a power taking device in a non-contact wireless power supply system, which comprises a magnetic core body, a coil and a shell, wherein the coil is used for integrating the magnetic core body, the magnetic core body comprises a first group of magnetic cores and a second group of magnetic cores, each group of magnetic cores comprises a plurality of single magnetic cores which are assembled into a whole in parallel, the two groups of magnetic cores are assembled into a whole in a back-to-back way by winding the coil, passing grooves are respectively defined on two sides of the two groups of magnetic cores so as to allow a circuit to pass through, the shell comprises an upper shell and a lower shell, the two groups of magnetic cores are spaced between the wound parts of the coil, the upper shell and the lower shell are assembled through a plurality of fasteners, the two groups of magnetic cores are clamped between the upper shell and the lower shell, the fasteners penetrate through the spacing side by side, and two ends of each fastener are respectively fixedly connected with the upper shell and the lower shell correspondingly. This electricity collector is through setting up the interval so that a plurality of fasteners pass side by side in two sets of magnetic cores, can effectively avoid wireless power supply vortex to the heating influence of fastener, and save space. The whole electricity taking device has compact structure and convenient assembly.

Inventors

LIANG TAO
MAO WEI
HU JINMIN
LIANG LIKE

Assignees

深圳赫兹创新技术有限公司

Dates

Publication Date: 20260512
Application Date: 20250421

Claims (10)

1. The utility model provides a get electrical apparatus in non-contact wireless power supply system, includes magnetic core body, coil and casing, the coil is adorned the magnetic core body in an organic whole, its characterized in that, the magnetic core body includes first group magnetic core and second group magnetic core, and every group magnetic core is including a plurality of single magnetic cores that assemble into an organic whole side by side, and two groups magnetic cores are installed in an organic whole and are limited respectively in both sides through twining the coil dorsad and let the circuit pass through, the casing includes upper shell and inferior valve, and two groups magnetic cores have the interval between the position that is twined by the coil, the interval is in the coil inner loop, upper shell and inferior valve pass through a plurality of fastener assembly and press from both sides two groups magnetic core dress between upper shell and inferior valve, a plurality of the fastener passes side by side the interval and the both ends of every fastener correspond fixed connection with upper shell and inferior valve respectively.
2. The power extractor in a non-contact wireless power supply system of claim 1 wherein the outer surface of the upper shell is covered with an upper aluminum plate and the outer surface of the lower shell is covered with a lower aluminum plate, the fasteners penetrating through the upper shell, the lower shell, the upper aluminum plate, the lower aluminum plate, and the spacing in sequence.
3. The power extractor in a non-contact wireless power supply system of claim 1 wherein each single magnetic core includes an upright portion, two parallel horizontal portions, the two horizontal portions being perpendicular to the upright portion and integrally connected to the upper and lower ends, respectively.
4. A power extractor in a contactless wireless power supply system according to claim 3, wherein said distance is defined by two of said uprights.
5. A power extractor in a non-contact wireless power supply system according to claim 3, wherein said coil is wrapped around two of said upright portions along the length of the power extraction line, and two of said horizontal portions of each single core are provided on the same side outside the coil.
6. The power collector in a non-contact wireless power supply system as claimed in claim 3, wherein said coil has a shape of a Chinese character 'hui' or a racetrack, said coil has a height substantially equal to a height of said upright portion or a distance between two horizontal portions of the same single magnetic core, and said magnetic core body has an overall shape of an i.
7. The power extractor in a contactless wireless power supply system of claim 1 wherein the two sets of magnetic cores are arranged back-to-back and spaced apart from each other to form the gap, the gap length being substantially identical to the arrangement length of the plurality of single magnetic cores or the length of the pass slot.
8. The power extractor in a non-contact wireless power supply system of claim 1 wherein the plurality of fasteners are spaced along the direction of arrangement of the plurality of single cores, the two sets of cores are symmetrical, the plurality of fasteners are substantially evenly spaced on a vertical plane in which axes of symmetry of the two sets of cores lie, and the plurality of fasteners are substantially in one-to-one correspondence with the plurality of single cores.
9. The power extractor in the non-contact wireless power supply system according to claim 2, wherein an upper main surface groove is formed in an outer surface of the upper case, the upper aluminum plate is embedded in the upper main surface groove, a lower main surface groove is formed in an outer surface of the lower case, the lower aluminum plate is embedded in the lower main surface groove, at least one end of the lower aluminum plate extends out of the lower main surface groove and is provided with at least one mounting hole at an extending portion, an upper main surface inner groove is formed in an inner side surface of the upper case, an entire upper surface of the magnetic core body is embedded in the upper main surface inner groove, a lower main surface inner groove is formed in an inner side surface of the lower case, and an entire lower surface of the magnetic core body is embedded in the lower main surface inner groove.
10. The electricity collector in the non-contact wireless power supply system according to claim 2, wherein at least two side edges of the inner surface of the upper case facing the magnetic core body are provided with lower flanges, the lower flanges on the two sides are respectively clamped at two side upper edges of the magnetic core body, the inner surface of the lower case facing the magnetic core body is provided with upper flanges, the upper flanges on the two sides are respectively clamped at two side lower edges of the magnetic core body, the fastening piece comprises a nut and a screw, the upper case, the lower case, the upper aluminum plate and the lower aluminum plate are respectively provided with a through hole, and the screw penetrates through the corresponding through holes of the upper case, the lower case and the upper aluminum plate and is fastened by the nut so as to fasten and clamp the magnetic core body.

Description

Power taking device in non-contact wireless power supply system Technical Field The utility model relates to the technical field of wireless power supply, in particular to a power taking device in a non-contact wireless power supply system. Background The wireless power supply is a third wireless revolution after wireless communication and wireless network through a non-physical contact power transmission mode, and is regarded as a front-edge technology with basic application significance by the industry. At present, a plurality of power supplies are applied to the OHT crown blocks in workshops. For example, a single electromagnetic core is installed on the OHT overhead travelling crane and is clamped on a transmitting cable to meet the electric quantity required by the OHT overhead travelling crane in the travelling process. The wireless power supply and power take-off device generally comprises a magnetic core and a mounting shell, and a side-pack mounting mode is generally adopted in view of the fact that the magnetic core is generally U-shaped in structure. For example, as shown in fig. 3, the utility model with publication number CN219779863U discloses a two-way wireless power supply power extractor 1, which further includes a first shielding plate 15 and a second shielding plate 16 parallel to each other, and preferably, the first shielding plate 15 and the second shielding plate 16 are all aluminum plates, so as to better shield electromagnetic waves. The first plastic shell 13 and the second plastic shell 14 are respectively clamped and fixed between the first shielding aluminum plate and the second shielding aluminum plate, and the first shielding aluminum plate and the second shielding aluminum plate are respectively parallel to the side wall of the first electromagnetic core. Each single magnetic core in the electricity taking device is respectively and independently fixed and has a certain position staggering, so that the installation structure is required to be corresponding to each single magnetic core, and meanwhile, the fastener is installed at the outer side position and can be influenced by wireless power supply vortex to a certain extent. Disclosure of utility model Therefore, the power collector in the non-contact wireless power supply system is compact in structure, neat in arrangement and convenient to install, a plurality of fasteners penetrate through the two groups of magnetic cores by arranging the space, heating influence of wireless power supply eddy current on the fasteners can be effectively avoided, and space can be saved. The utility model provides a get electrical apparatus in non-contact wireless power supply system, includes magnetic core body, coil and casing, the coil is adorned the magnetic core body in an organic whole, the magnetic core body includes first group magnetic core and second group magnetic core, and every group magnetic core is including assembling a plurality of single magnetic cores of an organic whole side by side, and two groups magnetic cores are installed in an organic whole and are limited respectively in both sides through twining the coil dorsad and pass through the groove in order to let the circuit pass, the casing includes epitheca and inferior valve, and two groups magnetic cores have the interval between the position that is twined by the coil, the interval is in the coil inner loop, epitheca and inferior valve pass through a plurality of fastener assemblies and press from both sides two groups magnetic core dress between epitheca and inferior valve, a plurality of the fastener passes side by side the interval and the both ends of every fastener correspond fixed connection with epitheca and inferior valve respectively. Preferably, the outer surface of the upper shell is covered with an upper aluminum plate, the outer surface of the lower shell is covered with a lower aluminum plate, and the fastening piece sequentially penetrates through the upper shell, the lower shell, the upper aluminum plate, the lower aluminum plate and the space. Preferably, each single magnetic core comprises an upright portion and two parallel horizontal portions, each of which is perpendicular to the upright portion and integrally connected to the upper and lower ends, respectively. Further, the spacing is defined by two of the uprights. Preferably, the coil is wrapped around the two upright parts along the length direction of the power take-off line, and the two horizontal parts of each single magnetic core are arranged on the same side outside the coil. Preferably, the coil is in a shape of a Chinese character 'hui' or a runway, the height of the coil is approximately equal to the height of the vertical part or is consistent with the distance between the two horizontal parts of the same single magnetic core, and the whole magnetic core body is in an I shape. Preferably, the two sets of magnetic cores are arranged back-to-back and spaced apart from each other to for