U-shaped electricity taking device

Abstract

The utility model relates to a U-shaped electricity taking device, which is used for mobile electricity taking of automation equipment and comprises an electricity taking assembly and a circuit assembly electrically connected with the electricity taking assembly, and the circuit assembly is arranged above the electricity taking assembly. The electricity taking assembly comprises an electricity taking device bottom shell, a U-shaped magnetic core and an electricity taking coil wound on the U-shaped magnetic core, and the two ends of the electricity taking coil are connected to the circuit assembly; the circuit assembly is arranged in the heat dissipation aluminum shell, and the heat dissipation aluminum shell is fixedly installed on the electricity taking device bottom shell and connected with the electricity taking device bottom shell to form a whole. The overall structure of the U-shaped electricity taking device is compact, the size of the electricity taking device can be reduced under the same power requirement, the electricity taking efficiency of unit area is improved, heat dissipation is facilitated, and the cost is reduced. Due to the fact that the distance between the PCB top plate and the PCB bottom plate and the electricity taking coil is reduced, the integration level of equipment is improved, the deviation requirement for coil parameters is lowered, the parameters of the electricity taking device are more stable, the overall consistency performance is better, and production and maintenance are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of wireless power supply, in particular to a U-shaped power supply. Background Art

[0002] Wireless power technology is a new technology that provides real-time power to stationary or mobile electrical devices through a non-electrical contact method. This wireless power transmission mode is based on the principles of inductive coupling or nuclear magnetic resonance, primarily using electromagnetic fields as the medium for power transmission. Based on the loose inductive coupling structure of transformers, power electronics techniques are used to increase the magnetic field frequency and reduce air gap losses, enabling wireless power transmission. This wireless power transmission technology is characterized by high transmission power, reaching several kilowatts, and efficient power transmission over extremely close distances.

[0003] The coupling mechanism of contactless power supply technology includes a transmitting coil, a receiving coil, and a magnetic core. The magnetic core's magnetic conductivity generates a high-frequency alternating magnetic field in the receiving coil, thereby generating an induced current. Existing power supply units typically use a split structure, resulting in low integration and large space requirements. Utility Model Content

[0004] In view of this, it is necessary to provide a U-shaped power supply with small size, high energy conversion efficiency and simple structure.

[0005] A U-shaped power supply for mobile power supply of automated equipment, comprising a power supply assembly and a circuit assembly electrically connected to the power supply assembly, wherein the circuit assembly is arranged above the power supply assembly; the power supply assembly comprises a power supply bottom shell, a U-shaped magnetic core and a power supply coil wound on the U-shaped magnetic core, wherein both ends of the power supply coil are connected to the circuit assembly; the circuit assembly is arranged in a heat dissipation aluminum shell, and the heat dissipation aluminum shell is fixedly mounted on the power supply bottom shell and connected to the power supply bottom shell to form a whole.

[0006] Preferably, the circuit assembly includes a PCB top plate and a PCB bottom plate, and the PCB top plate and the PCB bottom plate are respectively fixedly installed in the heat dissipation aluminum shell.

[0007] Preferably, the power taking coil adopts a Litz wire winding structure, the U-shaped magnetic core includes a bottom plate and two side walls perpendicular to the bottom plate and oppositely arranged on one side, and the cross-section of the U-shaped magnetic core is U-shaped; the power taking coil is wound on the bottom plate of the U-shaped magnetic core, and the two ends of the power taking coil are connected to the PCB bottom plate.

[0008] Preferably, the bottom shell of the power collector has two opposite sunken grooves, and two opposite side walls of the U-shaped magnetic core extend into the sunken grooves.

[0009] Preferably, the top of the power supply bottom shell has an upward opening, and the heat dissipation aluminum shell is fixedly mounted on the top opening of the power supply bottom shell by bolts.

[0010] Preferably, the heat dissipation aluminum shell includes a bottom shell and a top cover, the bottom shell and the top cover are fixedly connected by bolts, and a closed space for accommodating the PCB top plate and the PCB bottom plate is provided between the bottom shell and the top cover.

[0011] Preferably, the side wall of the heat dissipation aluminum shell has a wire hole, and a protective wire coil is provided on the wire hole.

[0012] Preferably, an insulating gasket is further included, which is arranged in the heat dissipation aluminum shell and between the circuit component and the heat dissipation aluminum shell, and is used for insulation between the PCB top plate and the PCB bottom plate and the heat dissipation aluminum shell.

[0013] In the above-mentioned U-shaped power supply, the circuit assembly is arranged above the power supply assembly, and the heat dissipation aluminum shell is connected to the bottom shell of the power supply to form an integral body, so that the overall structure of the U-shaped power supply is compact. Under the same power requirement, the volume of the power supply can be reduced, the space occupied is smaller, the power supply efficiency per unit area is improved, heat dissipation is facilitated, and costs are reduced. Since the distance between the PCB top plate and the PCB bottom plate and the power supply coil is reduced, not only the device integration is improved, but also the deviation requirements for the coil parameters are reduced, making the parameters of the power supply more stable, the overall consistency performance better, and easy to produce and maintain. The product structure of the utility model is simple, easy to produce, low cost, and easy to promote. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the U-shaped power supply of the first embodiment of the present utility model.

[0015] Figure 2 It is a structural explosion diagram of the U-shaped power supply of the first embodiment of the present invention.

[0016] Figure 3 It is a structural diagram of the U-shaped power supply of the second embodiment of the present utility model.

[0017] Figure 4 It is an exploded view of the structure of the U-shaped power supply of the second embodiment of the present invention. DETAILED DESCRIPTION

[0018] The present invention will be described in detail below with reference to specific embodiments and accompanying drawings.

[0019] Example 1

[0020] See also Figure 1 and Figure 2, showing a U-shaped power supply 100 provided by an embodiment of the present invention, which is used for mobile power supply of automated equipment, including but not limited to a power supply component and a circuit component electrically connected to the power supply component, and the circuit component is arranged above the power supply component; the power supply component includes a power supply bottom shell 111, a U-shaped magnetic core 112 and a power supply coil 113 wound on the U-shaped magnetic core 112, and both ends of the power supply coil 113 are connected to the circuit component; the circuit component is arranged in a heat dissipation aluminum shell, and the heat dissipation aluminum shell is fixedly installed on the power supply bottom shell 111 and connected to the power supply bottom shell 111 to form a whole.

[0021] Specifically, the circuit assembly is used to rectify, regulate and convert the energy of the electrical appliance into the required voltage and current. The circuit assembly also has a corresponding protection circuit design.

[0022] Specifically, the heat dissipation aluminum housing includes a bottom housing 121 and a top cover 122. The bottom housing 121 and the top cover 122 respectively have a lower groove and an upper groove with four sidewalls. The bottom housing 121 and the top cover 122 are fixedly connected by bolts. An enclosed space for accommodating the circuit components is defined between the bottom housing 121 and the top cover 122. The circuit components include, but are not limited to, a PCB top plate 131 and a PCB bottom plate 132, which are fixedly mounted within the top cover 122 and the bottom housing 121 of the heat dissipation aluminum housing, respectively.

[0023] Specifically, there is a gap between the PCB top plate 131 and the PCB bottom plate 132 and the top cover 122 and the bottom shell 121 of the heat dissipation aluminum shell.

[0024] Specifically, the PCB top plate 131 is a control board, and the PCB bottom plate 132 is a rectifier board.

[0025] Specifically, the outer sides of the four side walls of the bottom shell 121 and the top cover 122 are provided with a plurality of heat dissipation fins, and each of the heat dissipation fins is evenly arranged and extends out of the heat dissipation aluminum shell to achieve heat dissipation of the circuit components.

[0026] Specifically, the U-shaped magnetic core 112 includes a bottom plate and two side walls perpendicular to and opposite to the bottom plate. The cross-section of the U-shaped magnetic core 112 is U-shaped; the power taking coil 113 is wound with Litz wire, and the power taking coil 113 is wound on the bottom plate of the U-shaped magnetic core 112. The two ends of the power taking coil 113 are connected to the PCB bottom plate 132.

[0027] Specifically, when drawing power, the opening of the U-shaped magnetic core 112 faces downward and straddles the transmitting track 101 .

[0028] Litz wire is a conductor made of multiple individually insulated conductors twisted or braided together. Litz wire has good anti-interference properties and is therefore often used in the winding of high-frequency transformers.

[0029] Specifically, the bottom shell 121 of the heat dissipating aluminum shell has a cable connection hole, and both ends of the power coil 113 are inserted into the cable connection hole and electrically connected to the PCB bottom plate 132 .

[0030] Specifically, the cross-section of the power supply base 111 is adapted to the shape of the U-shaped magnetic core 112. The base 111 has two opposing sunken grooves, into which the two opposing sidewalls of the U-shaped magnetic core 112 extend. The top of the power supply base 111 has an upward opening, and the heat sink aluminum shell is fixed to the top opening of the power supply base 111 via bolts.

[0031] Specifically, the cross-sectional size and shape of the heat dissipation aluminum shell are the same as the size and shape of the top opening of the power supply bottom shell 111 , so that the heat dissipation aluminum shell serves as the top cover 122 to encapsulate the power supply assembly in the power supply bottom shell 111 .

[0032] Specifically, the side wall of the heat dissipation aluminum shell has a wire hole, a protective wire coil 141 is provided on the wire hole, and an output cable is passed through the wire hole for connecting to an external user device.

[0033] When installing the U-shaped power supply 100 of this embodiment, first, the power supply coil 113 is wound on the U-shaped magnetic core 112, and at the same time, the PCB base plate 132 is installed in the bottom shell 121 of the heat dissipation aluminum shell, and then the output wire of the power supply coil 113 is soldered to the PCB base plate 132 to obtain component 1.

[0034] The PCB top plate 131 is installed in the top cover 122 of the heat dissipation aluminum shell, and the protective coil 141 is installed on the wire hole on the side wall of the heat dissipation aluminum shell to obtain component two.

[0035] After connecting component 1 and component 2 through the copper pillars between the PCB top plate 131 and the PCB bottom plate 132, the entire component is placed in the power supply bottom shell 111, and then the heat dissipation aluminum shell is locked and installed on the power supply bottom shell 111 by bolts to obtain the U-shaped power supply of Example 1.

[0036] Example 2

[0037] See also Figure 3 and Figure 4, showing a U-shaped power supply 200 provided by an embodiment of the present invention, which is used for mobile power supply of automated equipment, including a power supply component and a circuit component electrically connected to the power supply component, and the circuit component is arranged above the power supply component; the power supply component includes but is not limited to a power supply bottom shell 211, a U-shaped magnetic core 212 and a power supply coil 213 wound on the U-shaped magnetic core 212, and both ends of the power supply coil 213 are connected to the circuit component; the circuit component is arranged in a heat dissipation aluminum shell, and the heat dissipation aluminum shell is fixedly installed on the power supply bottom shell 211 and connected to the power supply bottom shell 211 to form a whole.

[0038] Specifically, when drawing power, the opening of the U-shaped magnetic core 212 faces downward and is arranged across the transmitting track 201.

[0039] Specifically, the heat dissipation aluminum housing includes a bottom housing 221 and a top cover 222. The bottom housing 221 has a bottom plate and four sidewalls, with the left and right sidewalls having a plurality of evenly spaced heat dissipation fins. The bottom housing 221 has an upward opening, and the top cover 222 covers the opening of the bottom housing 221, creating an enclosed space within the heat dissipation housing to accommodate the circuit components.

[0040] Specifically, an insulating gasket 233 is provided in the heat dissipation aluminum shell. The insulating gasket 233 is provided above and below the circuit assembly and is used for insulation between the circuit assembly and the heat dissipation aluminum shell.

[0041] Specifically, the insulating gasket 233 is made of Mylar sheet, which has the advantages of dimensional stability, flatness, and excellent tearing strength, as well as super insulation performance, and excellent electrical, mechanical, heat-resistant, and chemical-resistant properties.

[0042] Specifically, the circuit assembly includes but is not limited to a PCB top plate 231 and a PCB bottom plate 232 . The PCB top plate 231 and the PCB bottom plate 232 are fixedly installed in the heat dissipation aluminum shell, and the insulating gasket 233 is provided under the PCB bottom plate 232 .

[0043] The structures and connection methods of the U-shaped magnetic core 212 , the power coil 213 and the power supply bottom shell 211 in the second embodiment are the same as those in the first embodiment, and are not described again.

[0044] When installing the U-shaped power supply 200 of this embodiment, first, the power supply coil 213 is wound on the U-shaped magnetic core 212, and at the same time, the insulating gasket 233, the PCB top plate 231 and the PCB bottom plate 232 are installed in the bottom shell 221 of the heat dissipation aluminum shell, and then the output wire of the power supply coil 213 is soldered to the PCB bottom plate 232, and the protective wire 241 is installed on the wire hole on the side wall of the heat dissipation aluminum shell to obtain component one.

[0045] Install component 1 in the power supply bottom shell 211, and then fasten the top cover 222 of the heat dissipation aluminum shell, component 1 and the power supply bottom shell 211 with bolts to obtain the U-shaped power supply of embodiment 2.

[0046] In the above-mentioned U-shaped power supply, the circuit assembly is arranged above the power supply assembly, and the heat dissipation aluminum shell is connected to the bottom shell of the power supply to form an integral body, so that the overall structure of the U-shaped power supply is compact. Under the same power requirement, the volume of the power supply can be reduced, the power supply efficiency per unit area can be improved, heat dissipation is facilitated, and costs are reduced. Since the distance between the PCB top plate and the PCB bottom plate and the power supply coil is reduced, not only the device integration is improved, but also the deviation requirements for the coil parameters are reduced, making the parameters of the power supply more stable, the overall consistency performance better, and easy to produce and maintain. The product structure of the utility model is simple, easy to produce, low cost, and easy to promote.

[0047] It should be noted that the present invention is not limited to the above-mentioned embodiments. According to the creative spirit of the present invention, those skilled in the art can also make other changes. These changes made according to the creative spirit of the present invention should be included in the scope of protection required by the present invention.

Claims

1. A U-shaped power supply for mobile power supply of automation equipment, characterized by: It includes a power collection component and a circuit component electrically connected to the power collection component, and the circuit component is arranged above the power collection component; the power collection component includes a bottom shell of the power collection component, a U-shaped magnetic core and a power collection coil wound on the U-shaped magnetic core, and both ends of the power collection coil are connected to the circuit component; the circuit component is arranged in a heat dissipation aluminum shell, and the heat dissipation aluminum shell is fixedly installed on the bottom shell of the power collection component and connected to the bottom shell of the power collection component to form a whole.

2. A U-shaped power supply as claimed in claim 1, characterized in that: The circuit assembly includes a PCB top plate and a PCB bottom plate, and the PCB top plate and the PCB bottom plate are respectively fixedly installed in the heat dissipation aluminum shell.

3. A U-shaped power supply as claimed in claim 2, characterized in that: The power taking coil adopts a Litz wire winding structure, the U-shaped magnetic core includes a bottom plate and two side walls perpendicular to the bottom plate and opposite to each other on one side, and the cross-section of the U-shaped magnetic core is U-shaped; the power taking coil is wound on the bottom plate of the U-shaped magnetic core, and the two ends of the power taking coil are connected to the PCB bottom plate.

4. A U-shaped power supply as claimed in claim 3, characterized in that: The power supply bottom shell has two opposite sunken grooves, and two opposite side walls of the U-shaped magnetic core extend into the sunken grooves.

5. The U-shaped power supply as claimed in claim 1, characterized in that: The top of the power supply bottom shell is provided with an upward opening, and the heat dissipation aluminum shell is fixedly mounted on the top opening of the power supply bottom shell by means of bolts.

6. A U-shaped power supply as claimed in claim 2, characterized in that: The heat dissipation aluminum shell includes a bottom shell and a top cover, wherein the bottom shell and the top cover are fixedly connected by bolts, and a closed space for accommodating the PCB top plate and the PCB bottom plate is provided between the bottom shell and the top cover.

7. The U-shaped power supply as claimed in claim 1, characterized in that: The side wall of the heat dissipation aluminum shell is provided with a wire hole, and a protective wire coil is provided on the wire hole.

8. The U-shaped power supply as claimed in claim 2, characterized in that: It also includes an insulating gasket, which is arranged in the heat dissipation aluminum shell and between the circuit component and the heat dissipation aluminum shell, and is used for insulation between the PCB top plate and the PCB bottom plate and the heat dissipation aluminum shell.

Images