CN215267800U - Novel water-cooling wireless electric energy transmission device adopting hollow copper pipe - Google Patents
Novel water-cooling wireless electric energy transmission device adopting hollow copper pipe Download PDFInfo
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- CN215267800U CN215267800U CN202120966144.8U CN202120966144U CN215267800U CN 215267800 U CN215267800 U CN 215267800U CN 202120966144 U CN202120966144 U CN 202120966144U CN 215267800 U CN215267800 U CN 215267800U
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Abstract
The utility model discloses a novel water-cooling wireless power transmission device adopting a hollow copper pipe, and a method for reducing the temperature of a coupling coil by introducing insulating cooling liquid into the copper pipe. The utility model discloses coupling coil, binding post, water pump, radiator that the device was made by the copper pipe because the fuel effect of electric current can produce higher heat on the coupling coil, leads to the coil temperature to rise, again because metal resistivity has the resistance increase that positive temperature coefficient leads to the coil, and then leads to the electric energy loss on the coil to increase, produces negative influence to system energy transmission efficiency. The hollow copper pipe replaces the traditional solid copper wire, so that the surface area of the conductor can be increased, the loss caused by the skin effect on the conductor can be reduced, the heat dissipation capability of the coil can be enhanced after flowing insulating cooling liquid is introduced, the energy loss can be reduced, and electronic components in the peripheral circuit of the coupling coil can be protected from being influenced by high temperature.
Description
Technical Field
The utility model relates to a wireless power transmission field adopts hollow copper pipe's novel water-cooling wireless power transmission device.
Background
The transmitting coil and the receiving coil are important components of energy coupling in a wireless energy transmission system, and most of the traditional coupling coils are formed by winding solid copper wires. In the high-frequency high-power wireless energy transmission, because of the skin effect of the solid lead coil, when alternating current is introduced into the coil, the current inside the conductor is not uniformly distributed, the current is concentrated on a thin layer on the outer surface of the coil, the closer to the surface of the conductor, the higher the current density is, the smaller the current is actually inside the conductor, the lower the utilization rate of the lead is, and as a result, the resistance of the conductor is increased; in addition, the proximity effect between the wires greatly reduces the transmission efficiency of the system, and the energy supply to the load is seriously influenced.
In the wireless energy transmission system, when the system continuously works, the resistivity of the metal conductor has a positive temperature coefficient, and the resistance of the coupling coil is increased along with the temperature increase. The problems caused by overheating of the coil can seriously affect the safe and stable operation of the system. It is therefore of interest to provide an optimized device for the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides an adopt hollow copper pipe's novel water-cooling wireless power transmission device to externally use the water pump to let in the cooling liquid copper pipe mesocycle and take away the temperature of heat reduction system during operation coupling coil and peripheral circuit, and optimize the problem that coil temperature rises and leads to transmission efficiency to reduce during continuous work of wireless power transmission system mesocoil, can realize the electric energy in the transmission and receive both sides safety and efficient wireless power supply, ensure that the end of receiving electricity can last efficient work.
In order to solve the above problem, the utility model adopts the following technical scheme: a novel water-cooling wireless electric energy transmission device adopting a hollow copper pipe.
According to the technical scheme, the spiral hollow copper pipe is used as the coupling coil, and flowing cooling liquid is introduced to reduce the temperature of the coil so as to solve the problems.
The utility model discloses the device includes coupling coil, wiring upper terminal, insulating hose, water pump, radiator under the wiring.
The coupling coil is mainly formed by winding two coils by hollow copper pipes; the coupling coil is wound into a multilayer spiral structure.
The transmitting coil and the receiving coil are horizontally aligned.
The coupling coil comprises an upper end, a copper pipe layer and a lower end tail.
And the wiring upper terminal and the wiring lower terminal are connected with an external circuit through leads.
The radiator is characterized in that a larger heat dissipation area is provided for cooling the cooling liquid.
And two ports of the hollow copper pipe coil are connected with the water pump and the radiator through an insulating hose.
The water pump and the radiator are also connected through an insulating hose. The water pump device leads the insulating cooling liquid in the water pump box into the cooling liquid from the inner wall of the lower end of the copper pipe through the insulating hose under the action of the motor, the cooling liquid at the upper end of the copper pipe flows into the radiator to be cooled, and the cooling liquid circulates in the whole device.
The utility model has the advantages of it is following:
1. the coupling coil is wound into a spiral structure by adopting a hollow copper pipe to transmit wireless electric energy, and compared with other common conductor structures with the same cross-sectional area, the coil made of the hollow copper pipe has the advantages that the effective surface area of the hollow copper pipe is larger than that of a solid copper pipe, and the skin effect is weakened to reduce energy loss in the coil.
2. Because the heat effect of electric current can produce higher heat on the coupling coil, leads to the coil temperature to rise, again because metal resistivity has the resistance increase that positive temperature coefficient leads to the coil, and then leads to the electric energy loss on the coil to increase, lets in hollow copper pipe inner wall with the coolant liquid that flows, and the heat of coupling coil can be taken away to the coolant liquid, reduces the conductor temperature and then reduces energy loss, promotes wireless power transmission system efficiency.
3. The water pump and the radiator are used for reducing the temperature of the coil and peripheral circuits, protecting electronic devices around the coil and ensuring safe and stable operation of the system.
Drawings
In order to more clearly illustrate the technical solution of the present invention, fig. 1 provides the structure and connection mode of the hollow copper tube coil.
In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
in the figure: 1-a water pump; 2-insulating hose a; 3-a radiator; 4-insulating hose b; 5-wire-connecting upper terminals; 6-a coupling coil; 7-a wiring lower terminal; 8-insulating hose c.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present invention, the terms to be understood are "upper end", "lower end", "upper end of copper pipe", "lower end of copper pipe", etc. to indicate the position relationship, and are only for the purpose of simple and convenient description, but not to indicate or suggest that the indicated component or original must have a specific orientation, be constructed or operated at a specific position, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1, the utility model discloses device adopts hollow copper pipe's novel water-cooling wireless power transmission device, include: the water pump, the radiator, the wiring upper terminal, the wiring lower terminal, the coupling coil and the insulating hose, part, the insulating hose is connected with the water pump, and radiator and coupling coil and hollow copper pipe upper end all pass through insulating hose and radiator right side fixed connection, and the hollow copper pipe other end passes through insulating hose to finally and water pump fixed connection.
In this embodiment, the attributes and parameters of the transmitting coil and the receiving coil are completely consistent, the coil is formed by winding a hollow copper pipe, the diameter of the hollow copper pipe is 4mm, the wall thickness of the pipe is 0.5mm, the number of turns is 5, the turn interval is 1mm, and the diameter of the coil is 300 mm.
In this embodiment, the insulating hose is made of PVC material and has a pipe diameter of 5 mm.
In the embodiment, the 385SA direct current motor is adopted for driving the water pump.
In this embodiment, the heat sink is a P-TD240 cold row made of pure aluminum.
In this embodiment, the head and the tail ends of the hollow copper tube are connected with the water pump and the radiator through the insulating hose. The wiring port is connected with an external inverter and a power supply through a lead to jointly form the whole wireless power transmission system.
In this embodiment, when the system carries out wireless power transmission, start water pump and radiator, the water pump motor will be with water from the coolant liquid in the water tank through the insulating hose let in hollow copper pipe, the coolant liquid dispels the heat in the radiator again.
The utility model discloses with the favourable effect that current traditional wireless power transmission system has include:
the utility model discloses a hollow copper pipe lets in the temperature that can reduce the coil after insulating coolant liquid, makes the operation of system safety and stability more. Compared with the traditional solid coil, the hollow copper tube has the advantages that the skin effect is improved under high-frequency alternating current, and the heating loss of the coil is reduced.
The above-disclosed embodiments of the present invention are merely provided to assist in explaining the present invention. The selected embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Any equivalent substitutions, modifications, improvements and the like within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (4)
1. Adopt hollow copper pipe's novel water-cooling wireless power transmission device includes: the water pump comprises a water pump body (1), a radiator (3), a wiring upper terminal (5), a wiring lower terminal (7), a coupling coil (6), an insulating hose a (2), an insulating hose b (4) and an insulating hose c (8).
2. The novel water-cooling wireless power transmission device adopting the hollow copper pipe as claimed in claim 1, wherein the coupling coil (6) is of a multi-layer spiral structure and is formed by winding the hollow copper pipe.
3. The novel water-cooling wireless power transmission device adopting the hollow copper tube as claimed in claim 1, wherein the upper end of the copper tube of the coupling coil (6) is welded with the upper connection terminal (5), and the lower end of the copper tube of the coupling coil (6) is welded with the lower connection terminal (7).
4. The novel water-cooling wireless power transmission device adopting the hollow copper tube as claimed in claim 3, wherein the upper connection terminal (5) and the lower connection terminal (7) on the coupling coil (6) are connected with an external circuit of a wireless power transmission system through wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120966144.8U CN215267800U (en) | 2021-05-08 | 2021-05-08 | Novel water-cooling wireless electric energy transmission device adopting hollow copper pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120966144.8U CN215267800U (en) | 2021-05-08 | 2021-05-08 | Novel water-cooling wireless electric energy transmission device adopting hollow copper pipe |
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| CN215267800U true CN215267800U (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120966144.8U Active CN215267800U (en) | 2021-05-08 | 2021-05-08 | Novel water-cooling wireless electric energy transmission device adopting hollow copper pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113131625A (en) * | 2021-05-08 | 2021-07-16 | 西华大学 | Novel water-cooling wireless electric energy transmission device adopting hollow copper pipe |
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2021
- 2021-05-08 CN CN202120966144.8U patent/CN215267800U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113131625A (en) * | 2021-05-08 | 2021-07-16 | 西华大学 | Novel water-cooling wireless electric energy transmission device adopting hollow copper pipe |
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