CN210222165U - Test device for simulating actual wireless charging condition design of electric automobile - Google Patents
Test device for simulating actual wireless charging condition design of electric automobile Download PDFInfo
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- CN210222165U CN210222165U CN201921046617.1U CN201921046617U CN210222165U CN 210222165 U CN210222165 U CN 210222165U CN 201921046617 U CN201921046617 U CN 201921046617U CN 210222165 U CN210222165 U CN 210222165U
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Abstract
The utility model discloses a test device of wireless charging situation design of actual electric automobile of simulation, including transmitting terminal mechanism, receiving terminal mechanism, electric energy transmission mechanism, transmitting terminal mechanism and electric energy transmission mechanism are fixed subaerial, receiving terminal mechanism fixes on electric energy transmission mechanism, and the power equipment input in the transmitting terminal mechanism is connected to power frequency electric wire netting one end, and other equipment in the transmitting terminal mechanism are connected to the other end, other equipment include high frequency power, controller, according to transmitting coil transmission electric energy in the transmitting terminal mechanism, carry out electromagnetic coupling with receiving terminal mechanism's receiving coil, and receiving coil in the receiving terminal mechanism receives the electric energy through the resonance to connect compensating network, rectifier filter, electric energy converter and load. The device can test different system performances in the wireless charging process, including efficiency, transmission distance, power, side shift, moving speed and the like, and realizes higher utilization rate of equipment.
Description
Technical Field
The utility model relates to an electric automobile wireless technology field especially relates to a test device of wireless situation of charging design of simulation actual electric automobile.
Background
With the increasing severity of global warming, air pollution and the decline of petrochemical energy reserves, people are seeking effective methods for solving the problems of environmental pollution by replacing the traditional automobile. The electric automobile as a new energy automobile has the advantages of low carbon, no pollution, environmental protection, cleanness and the like, and is an important development direction of the new energy automobile in the future. At present, the problems of battery pollution, poor cruising ability, long requirement on single charging time and the like of an electric automobile are easily caused, a large amount of time is consumed in the charging process, and meanwhile, certain potential safety hazards exist in the charging process.
Along with the gradual popularization of wireless charging standards, two major industrial chains of a transmitting end and a receiving end are formed, the wireless charging industry is developing vigorously, but in the aspect of testing at present, due to the fact that the wireless charging is high in frequency, for example, 85kHz is generally adopted for wireless charging of automobiles, the testing difficulty is power consumption and efficiency testing, the efficiency of a DC-DC end and the AC-AC efficiency of the transmitting end and the receiving end are generally required to be tested, the DC-DC end is easy to test, and the difficulty is the efficiency testing of the AC-AC end. At present, according to the place where a standard manual measurement coil is located, the accuracy of position correction is poor, the reproducibility of measurement is low, the working efficiency of manual measurement is low, no complete test detection scheme exists for dynamic wireless charging system tests, and the universality is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to not enough among the prior art, provide a test device of wireless situation of charging design of simulation actual electric automobile to this device carries out the wireless each item experiment that charges of developments as the carrier, including system performance test, bilateral control algorithm test, coupling mechanism capability test etc. can effectively simulate out the process of the wireless charging system of electric automobile developments truly.
The utility model discloses a following technical scheme can solve:
a test device for simulating the design of the wireless charging condition of an actual electric automobile comprises a transmitting end mechanism, a receiving end mechanism and an electric energy transmission mechanism, wherein the transmitting end mechanism and the electric energy transmission mechanism are fixed on the ground, the receiving end mechanism is fixed on the electric energy transmission mechanism, one end of a power frequency power grid is connected with the input end of power equipment on the transmitting end mechanism, the other end of the power frequency power grid is connected with other equipment on the transmitting end mechanism, the other equipment comprises a high-frequency power supply and a controller, electric energy is transmitted according to a transmitting coil on the transmitting end mechanism and is electromagnetically coupled with a receiving coil of the receiving end mechanism, the receiving coil on the receiving end mechanism receives the electric energy through resonance and is connected with a compensation network, a rectifier filter, an electric energy converter and a load, and the screw rod guide. The device can test different system performances in the wireless charging process, including efficiency, transmission distance, power, side shift, moving speed and the like, and realizes higher utilization rate of equipment.
Furthermore, the transmitting end mechanism is pre-provided with an equipment groove for placing equipment required by the transmitting end, and is respectively provided with a coil placing groove, a positioning detection device placing groove, a compensation throwing-in groove, a power source placing groove, a filter placing groove, an impedance matcher placing groove and a controller groove, so that the installation and debugging of the transmitting end equipment are facilitated.
Further, the coil placing grooves are provided with 3 coils, the coils comprise one of a circular coil, a rectangular coil, a spiral coil, a DD-type coil, a BP-type coil and a DDQ coil, and the coils can be replaced to test the performance of different coils. In addition, the size of each slot of the transmitting end mechanism of the test device can be adjusted, uninterrupted charging is realized due to the fact that the transmitting coils are opened singly, all the transmitting coils are laid at intervals, and the distance between every 2 adjacent transmitting coils can be adjusted as required to obtain the best test effect.
Further, the positioning detector comprises one of a hall sensor, a magneto-resistive sensor, a laser sensor, and a photo sensor. The use of the Hall sensor and the magnetoresistive sensor requires that a receiving end is provided with a permanent magnet, magnetic field signals received by the Hall sensor and the magnetoresistive sensor can change, the magnetic signals are converted into electric signals, and the electric signals are transmitted back to the controller through the conditioning circuit. The laser sensor needs the receiving end to install supporting laser sensor and carry out correlation, and when laser sensor correlation produced trigger signal will directly send for the controller, photoelectric sensor direct detection receiving end, will send trigger signal for the controller when the receiving end is in the sensor top. The positioning detection device feeds back related signals to the controller, and the wireless charging system executes switching of the transmitting coil by detecting the position of the receiving end coil so as to reduce electric energy waste.
Furthermore, the receiving end mechanism is pre-provided with an equipment groove for placing equipment required by a receiving end, the receiving end mechanism is designed into an upper layer and a lower layer, the lower layer is a coil placing groove, and the upper layer is provided with a compensation network groove, a rectifier filter placing groove, an electric energy converter placing groove, a load placing groove and a controller groove, so that the receiving end mechanism is favorable for installation and debugging of the receiving end equipment.
Furthermore, the electric energy transmission mechanism is fixed on the ground and is provided with four ground feet.
Furthermore, the electric energy transmission mechanism is assembled by aluminum profiles to form a frame, the running movement and the transverse lateral movement of the electric automobile are simulated by adopting a ball screw structure matched with an optical track structure, and the electric energy transmission mechanism is driven by a servo motor or a stepping motor.
The utility model has the advantages of:
(1) the utility model discloses can test the different system performance in the wireless charging process, realize the higher rate of utilization of equipment, the utility model discloses an electric automobile developments wireless charging test device has high efficiency, safety, reliable, and the cost is low with the maintenance cost, and is easy and simple to handle, advantages such as intelligence is controllable.
(2) The utility model discloses a change coupling coil's in transmitting terminal and the receiving terminal different parameters can directly perceivedly and clearly reachs coupling coil's performance, be favorable to verifying coupling coil's suitability.
(3) The utility model discloses a whether the controller of selecting transmitting terminal and receiving terminal is connected, confirms primary side control test, vice limit control test, bilateral control test, and the algorithm that the controller bore can set for the programming by user oneself, further test control algorithm's feasibility and expansibility.
(4) The utility model discloses do not need the manual work to operate at the in-process that charges, can make device automatic operation according to the parameter of settlement test device, avoided the manual operation artificial error who brings, improve the test precision.
Drawings
Fig. 1 is a schematic structural view of a test device designed to simulate the actual wireless charging condition of an electric vehicle according to the present invention;
fig. 2 is a schematic structural diagram of a transmitting end mechanism of a testing device designed to simulate the actual wireless charging condition of an electric vehicle according to the present invention;
fig. 3 is a schematic structural diagram of a receiving end mechanism of a testing device designed to simulate the actual wireless charging condition of an electric vehicle according to the present invention;
fig. 4 is the utility model discloses a simulation actual wireless test device ball of charging situation design's of electric automobile structural schematic.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.
The utility model discloses the wireless situation of charging design test device of simulation reality lays transmitting coil through going at electric automobile along the way, goes to between two adjacent transmitting coil when electric automobile, and receiving coil and two adjacent transmitting coil on the electric automobile form the electromagnetic coupling. One excitation source may be supplied to a plurality of transmitter coils, but only one transmitter coil is on at a time, the remaining coils being off. When the electric automobile passes through the first transmitting coil, the coil is in a normal working state and transmits energy to the receiving coil on the electric automobile, and at the moment, other transmitting coils are in a disconnected state and wait for connection. Meanwhile, an information detection and display unit is arranged on one side of the electric automobile, so that each electric quantity of a receiving end and the state of the battery can be monitored, and information is fed back to a driver, so that the charging control quantity can be adjusted according to actual conditions, the charging efficiency of the battery is improved, and the service life of the battery is prolonged.
Referring to fig. 1, the test device designed for simulating the actual wireless charging condition of the electric vehicle comprises a transmitting end mechanism 1, a receiving end mechanism 2 and an electric energy transmission mechanism 3, wherein the transmitting end mechanism 1 and the electric energy transmission mechanism 2 are fixed on the ground, the receiving end mechanism 2 is fixed on the electric energy transmission mechanism 3, one end of a power frequency grid is connected with the input end of power equipment on the transmitting end mechanism 1, the other end of the power frequency grid is connected with other equipment on the transmitting end mechanism 1, the other equipment comprises a high-frequency power supply and a controller, according to the electric energy transmitted by the transmitting coil on the transmitting end mechanism 1, the electromagnetic coupling is carried out with the receiving coil of the receiving end mechanism 2, the receiving coil on the receiving end mechanism 2 receives the electric energy through resonance, and the screw guide rail structure of the electric energy transmission mechanism 3 can realize the driving movement and the transverse lateral movement of the receiving end. The device can test different system performances in the wireless charging process, including efficiency, transmission distance, power, side shift, moving speed and the like, and realizes higher utilization rate of equipment.
As shown in fig. 2, the transmitting end mechanism 1 is pre-provided with a device slot for placing devices required by the transmitting end, and is respectively provided with a coil placement slot 11, a positioning detection device placement slot 12, a compensation projection slot 13, a power supply placement slot 14, a filter placement slot 15, an impedance matcher placement slot 16 and a controller slot 17, which is beneficial to installation and debugging of the transmitting end device.
The transmitting end mechanism 1 is provided with 3 coil placing grooves 11, so that the control performance of the transmitting end can be conveniently tested. In order to ensure the effectiveness of the test of the wireless charging test device, the arrangement quantity of the transmitting coils laid on the charging road section is required, and the charging requirement of the electric automobile is met, and the test device can be properly expanded according to the requirement. Coil standing groove 11 can place the coil of all kinds of different shapes, including circular coil, rectangular coil, spiral coil, DD type coil, BP type coil, DDQ coil etc. this test device sets up can put the biggest coil external diameter and be 500mm, and the height can be put to spiral shape coil and can be calculated and change as required for 30mm coil shape, number of turns, line footpath, can be through the performance of more coil in order to test different coils. The embodiment of the utility model provides an in, transmitting coil is circular plane coil, and every transmitting coil size, size and shape of placing are all the same completely. In addition, the size of each groove of the transmitting end mechanism 1 of the test device can be adjusted, uninterrupted charging is realized because the transmitting coils adopt a single opening mode, all the transmitting coils adopt a mode of laying at intervals, and the distance between every 2 adjacent transmitting coils can be adjusted as required to obtain the best test effect.
The transmitting end mechanism 1 is provided with 4 positioning detection device placing grooves 12, the middle and two sides of each two coil placing grooves 11 are respectively arranged, the positioning detection device placing grooves 12 are used for placing positioning detection sensors, and the transmitting end mechanism is not limited to placing any sensor, and comprises a Hall sensor, a magnetoresistive sensor, a laser sensor, a photoelectric sensor and the like. The use of the Hall sensor and the magnetoresistive sensor requires that a receiving end is provided with a permanent magnet, magnetic field signals received by the Hall sensor and the magnetoresistive sensor can change, the magnetic signals are converted into electric signals, and the electric signals are transmitted back to the controller through the conditioning circuit. The laser sensor needs the receiving end to install supporting laser sensor and carry out correlation, and when laser sensor correlation produced trigger signal will directly send for the controller, photoelectric sensor direct detection receiving end, will send trigger signal for the controller when the receiving end is in the sensor top. The positioning detection device feeds back related signals to the controller, and the wireless charging system executes switching of the transmitting coil by detecting the position of the receiving end coil so as to reduce electric energy waste.
The compensation switching slot 13 comprises a compensation network and a switching part, one end of the compensation network is connected with the transmitting coil, the other end is connected with the impedance matcher, the switching part is arranged in a circuit at one end of the compensation network, the on-off of the control circuit, the compensation network can be set to S-type compensation topology, P-type compensation topology, LCL-type compensation topology, LCC-type compensation topology, etc., the test device has enough size space to place different compensation topologies, the characteristics of the topology and the applicability of the system can be tested by replacing the compensation topology, the switching part is mainly a program-controlled switching switch, the program-controlled switching switch of the embodiment is a single-pole single-throw switch, in order to ensure the quick start of the transmitting unit, the program-controlled switching switch adopts an Insulated Gate Bipolar Transistor (IGBT) or a Metal Oxide Semiconductor Field Effect Transistor (MOSFET), and the switching switch is not limited in model and can meet the requirement of quick switching.
The power standing groove 14 is used for placing high frequency power, and the power frequency electric wire netting is connected to the high frequency power input, and low pass filter is connected to the output, and the used high frequency power of this test device does not limit model and parameter, can select the experimental power as required, including mains frequency, power etc, and this example adopts the adjustable high frequency power of 2 ~ 30MHz, satisfies the wireless test demand that charges in present stage, if need adopt other powers, can adjust the size of power standing groove 14 in the transmitting terminal mechanism, satisfies experimental demand.
The filter placing groove 15 is used for placing a filter, the input end of the filter is connected with a high-frequency power supply, the output end of the filter is connected with an impedance matcher, the test device is not limited to a low-pass filter, a high-pass filter, a band-stop filter and a state-adjustable filter, a proper filter can be selected according to the working frequency to carry out an experiment, the low-pass filter within the frequency range of 1-50 MHz is adopted in the test device, and the use of the.
Impedance matcher standing groove 16 is used for placing automatic impedance matcher, automatic impedance matcher input connects the filter, the compensation network is connected to the output, and then connect transmitting coil, this test device can change the model and the parameter of impedance matcher, including the operating frequency of matcher, input impedance, operating power etc., this example adopts 1.8 ~ 30MHz frequency range, the impedance matcher of 45 ~ 55 omega impedance range, be used for cooperating the use of the high frequency power supply that this example adopted, if change the matcher because of using other model power supply instead, can adjust the matcher that the size of impedance matcher standing groove 16 was changed with the cooperation in transmitting end mechanism 1.
The controller slot 17 is used for placing a transmitting end controller, the output end of the controller is connected with a switching switch in the compensation switching slot 13, the system detects the position of a vehicle firstly, switching conversion operation is not carried out when the controller does not receive a signal, the transmitting coil is in a closed state, when the system detects that the vehicle exists, the system is ready to execute switching operation, and when a program that the corresponding transmitting coil is switched to an inverter is executed, the problem of judging the running position of the electric vehicle exists, so that which transmitting coil is switched on is determined. Before the switching control of the transmitting coil of the system is carried out, the system is not switched but is in a standby state, and the inverter does not supply power to the transmitting coil. When the transmitting coil is switched, the direction judgment program of the electric automobile is executed firstly. The sensor determines the output control state of the controller, and the controller is equivalent to AND gate logic. When the receiving end approaches, the positioning detection sensor transmits positioning information to the controller, the controller can determine the position of the electric automobile according to the received signal, and then the controller sends out a corresponding switching signal according to the position of the automobile to enable the transmitting coil to be connected with the power supply or cut off the power supply. When no receiving coil is arranged above the transmitting coil, the program-controlled switching switch does not switch to enable the transmitting coil to be in a disconnected state. When a receiving coil is arranged above the transmitting coil, the program-controlled switching switch is switched to the inverter circuit to realize energy transmission between the transmitting coil and the transmitting coil, and meanwhile, the transmitting coil without the receiving coil for supplying power is closed.
As shown in fig. 3, the receiving end mechanism 2 is pre-provided with an equipment slot for placing equipment required by the receiving end, and is designed into an upper layer and a lower layer, the lower layer is a coil placing slot 21, and the upper layer is provided with a compensation network slot 22, a rectifier filter placing slot 23, an electric energy converter placing slot 24, a load placing slot 25 and a controller slot 26, which is beneficial to installation and debugging of the receiving end equipment.
Receiving end mechanism 2 is equipped with a coil standing groove 21 and is used for placing receiving coil, and the coil of all kinds of different shapes can be placed to coil standing groove 21, and the coil condition that specifically is fit for is the same with the coil standing groove 11 of transmitting end mechanism in the embodiment of the utility model provides an, receiving coil is circular plane coil, and the receiving coil size, size and the shape of placing are identical with transmitting coil. The coil placing groove 21 is further attached with a sub-groove for placing a device matched with the positioning detection device of the transmitting end mechanism, a permanent magnet, a laser correlation sensor and the like can be fixed, and the size of the groove can be adjusted according to the size of the specific device.
The compensation network slot 22 only contains a compensation network, one end of the compensation network is connected with the receiving coil, the other end of the compensation network is connected with the rectifier filter, the compensation network can be set to be S-type compensation topology, P-type compensation topology, LCL-type compensation topology, LCC-type compensation topology and the like, the S-S compensation network, the S-P compensation network, the P-S compensation network, the P-P compensation network, the LCL-LCL compensation network, the LCC-LCC compensation network and the like can be formed through selection of the transmitting end compensation network and the receiving end compensation network, and certain self-developed novel compensation topologies can be placed.
The rectifier filter placement groove 23 is used for placing a rectifier filter, i.e., converting alternating current into direct current, and a controllable rectifier and an uncontrollable rectifier can be selected. The power converter housing groove 24 is used for housing a DC-DC power converter for adjusting an input voltage to a voltage suitable for a load, and is not limited to a Buck converter, a Boost converter, a Buck-Boost converter, and the like.
The load placing slot 25 is used for placing a load at a receiving end, and can be selected to test the capacity of the load for receiving electric energy by using a power resistor with high voltage resistance and high current resistance, an electric vehicle battery and the like, and the size of the slot can be adjusted according to the selected load.
The controller slot 26 is used for placing a receiving-end controller, the signal output end of the controller can be connected according to different control objects, the specific control objects can be a controllable rectifier filter and a DC-DC converter of a receiving end, and the input end is determined according to a control algorithm used by the controller.
Electric energy transmission mechanism 3 is used for simulating electric automobile state of travel, including changing the travel moving direction and speed, side displacement distance and transmission distance, electric energy transmission mechanism fixes subaerial, has four lower margins, and this test device electric energy transmission mechanism takes the frame into by the aluminium alloy equipment, and the aluminium alloy has good casting performance, can process into the aluminium alloy of different shapes, and this device adopts general straight type aluminium alloy, can realize through different aggregate erection. The aluminum profile has the characteristics of small density, light weight, small elastic coefficient, stable chemical property and no magnetism, has good heat-conducting property and electric conductivity, completely does not need to consider the required bearing capacity in the use process, does not generate sparks due to collision friction, and is not easy to generate interference on electric energy transmission.
Because the distance that electric automobile chassis corresponds ground keeps unchangeable, then the distance of receiving coil and ground is only relevant with the motorcycle type, therefore electric energy transmission distance can be set for through the length that changes the support frame, and this example is got 200mm transmission distance and is simulated present common electric automobile chassis ground clearance, and different motorcycle type chassis ground clearance is different, and accessible adds and connects aluminium alloy length increase transmission distance, can change into transmission distance such as 200mm, 250mm, 300 mm.
As shown in fig. 4, the simulation of the driving movement of the electric vehicle is completed by adopting a ball screw structure to match with an optical track structure, the ball screw is composed of a screw rod 31, a nut 32 and a nut bracket 33, wherein the nut comprises a steel ball, a preforming piece, a reverser and a dust preventer, the ball screw converts the rotary motion into linear motion, or converts the torque into axial repeated acting force, and meanwhile, the simulation device has the characteristics of high precision, transmission reversibility and high transmission efficiency and has very small friction resistance. The optical track structure consists of an optical axis and a linear bearing, has the characteristics of convenience in installation, smoothness in walking, high speed, long service life, good dirt resistance, convenience in maintenance and the like, and is used for assisting the ball screw structure and driving the ball screw structure by a servo motor or a stepping motor to realize the movement of the receiving end mechanism 2. The receiving end mechanism 2 is fixed on a ball bearing of the ball screw mechanism and a linear bearing of the optical track structure, and the servo motor and the stepping motor drive the screw to realize the adjustment of the moving speed. The horizontal sidesway position of simulation electric automobile also adopts ball screw structure cooperation light rail structure to accomplish the regulation, uses servo motor and step motor drive can better simulate the operating mode of traveling.
Attention is paid to maintenance of the ball screw structure and the optical track structure, and the ball screw pair and the linear bearing can be lubricated to improve the wear resistance and the transmission efficiency. The lubricating grease can adopt lithium-based grease, and is added in the threaded raceway and the shell space of the mounting nut.
It should be noted that, although the above-mentioned embodiments of the present invention are illustrative, the present invention is not limited thereto, and therefore, the present invention is not limited to the above-mentioned embodiments. Other embodiments, which can be made by those skilled in the art in light of the teachings of the present invention, are considered to be within the scope of the present invention without departing from the principles thereof.
Claims (7)
1. A test device for simulating the wireless charging condition of an actual electric automobile is characterized by comprising a transmitting end mechanism, a receiving end mechanism and an electric energy transmission mechanism, the transmitting end mechanism and the electric energy transmission mechanism are fixed on the ground, the receiving end mechanism is fixed on the electric energy transmission mechanism, one end of a power frequency electric network is connected with the input end of power equipment on the transmitting end mechanism, the other end of the power frequency electric network is connected with other equipment on the transmitting end mechanism, the other equipment comprises a high-frequency power supply and a controller, according to the electric energy transmitted by the transmitting coil on the transmitting end mechanism, the electromagnetic coupling is carried out with the receiving coil of the receiving end mechanism, the receiving coil on the receiving end mechanism receives the electric energy through resonance, and the lead screw guide rail structure of the electric energy transmission mechanism can realize the driving movement and the transverse lateral movement of the receiving end.
2. The testing device for simulating the wireless charging condition design of the practical electric automobile according to claim 1, wherein the transmitting end mechanism is pre-provided with an equipment slot for placing equipment required by the transmitting end, and the equipment slot is respectively provided with a coil placing slot, a positioning detection device placing slot, a compensation throwing slot, a power supply placing slot, a filter placing slot, an impedance matcher placing slot and a controller slot.
3. The experimental device for simulating the design of the wireless charging condition of the practical electric automobile according to claim 2, wherein 3 coil placement slots are provided, and the coil placement slots comprise one of a circular coil, a rectangular coil, a spiral coil, a DD-type coil, a BP-type coil and a DDQ coil.
4. The experimental device for simulating the wireless charging condition design of the actual electric vehicle as claimed in claim 2, wherein the positioning detector comprises one of a hall sensor, a magnetic resistance sensor, a laser sensor and a photoelectric sensor.
5. The experimental device for simulating the design of the wireless charging condition of the actual electric vehicle according to claim 1, wherein the receiving end mechanism is pre-provided with an equipment slot for placing equipment required by the receiving end, the experimental device is designed into an upper layer and a lower layer, the lower layer is a coil placing slot, and the upper layer is provided with a compensation network slot, a rectifier filter placing slot, an electric energy converter placing slot, a load placing slot and a controller slot.
6. The experimental device for simulating the wireless charging condition of the actual electric vehicle as claimed in claim 1, wherein the power transmission mechanism is fixed on the ground and is provided with four feet.
7. The test device for simulating the wireless charging condition design of the practical electric automobile according to claim 6, wherein the electric energy transmission mechanism is assembled by aluminum profiles to form a frame, and the simulation of the running movement and the transverse lateral movement of the electric automobile is completed by adopting a ball screw structure matched with an optical track structure and driven by a servo motor or a stepping motor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921046617.1U CN210222165U (en) | 2019-07-06 | 2019-07-06 | Test device for simulating actual wireless charging condition design of electric automobile |
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| CN201921046617.1U CN210222165U (en) | 2019-07-06 | 2019-07-06 | Test device for simulating actual wireless charging condition design of electric automobile |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111537821A (en) * | 2020-05-22 | 2020-08-14 | 河北工业大学 | Testing device and measuring system suitable for wireless charging system of electric automobile |
| CN113787922A (en) * | 2021-08-24 | 2021-12-14 | 哈尔滨工业大学 | Electric automobile in-wheel motor wireless power transmission system based on in-wheel coil structure |
| CN114217153A (en) * | 2021-12-14 | 2022-03-22 | 西南交通大学 | Surrounding type high-speed dynamic wireless power supply system simulation experiment device |
-
2019
- 2019-07-06 CN CN201921046617.1U patent/CN210222165U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111537821A (en) * | 2020-05-22 | 2020-08-14 | 河北工业大学 | Testing device and measuring system suitable for wireless charging system of electric automobile |
| CN113787922A (en) * | 2021-08-24 | 2021-12-14 | 哈尔滨工业大学 | Electric automobile in-wheel motor wireless power transmission system based on in-wheel coil structure |
| CN114217153A (en) * | 2021-12-14 | 2022-03-22 | 西南交通大学 | Surrounding type high-speed dynamic wireless power supply system simulation experiment device |
| CN114217153B (en) * | 2021-12-14 | 2022-09-02 | 西南交通大学 | Surrounding type high-speed dynamic wireless power supply system simulation experiment device |
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