CN212255730U - Induction charging type magnetic image geomagnetic vehicle inspection device and vehicle inspection system - Google Patents
Induction charging type magnetic image geomagnetic vehicle inspection device and vehicle inspection system Download PDFInfo
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- CN212255730U CN212255730U CN201921879095.3U CN201921879095U CN212255730U CN 212255730 U CN212255730 U CN 212255730U CN 201921879095 U CN201921879095 U CN 201921879095U CN 212255730 U CN212255730 U CN 212255730U
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Abstract
The utility model relates to a rechargeable magnetism mapping earth magnetism car inspection ware of response and car inspection system. The utility model discloses a ground magnetism car inspection ware sets up in the below ground, and including the magnetic field detecting element who is used for detecting whether there is the car above ground magnetism car inspection ware, the wireless charging unit that is used for producing induced electric energy, the wireless transmission unit that is used for connecting the main website, energy storage battery and the battery management unit that are used for storing electric energy; the battery management unit is connected with the magnetic field detection unit, the wireless transmission unit and the energy storage battery, and the energy storage battery is connected with the wireless charging unit. The utility model discloses the wireless charging unit of having added of innovation, the car inspection device charges by external host computer that charges fast through high-efficient magnetic resonance, and external host computer that charges is portable charging device, can just accomplish in ten minutes and charge to installing the car inspection device in underground, makes its reactivation, and very big reduction application cost accords with the environmental protection requirement of green energy-conserving.
Description
Technical Field
The utility model relates to a car inspection ware technical field, specific inductive charging type magnetism mapping earth magnetism car inspection ware and car inspection system that says so.
Background
The wireless geomagnetic vehicle detector generates disturbance to the earth magnetic field of a detection area by using a vehicle, detects the vehicle by detecting the change of the earth magnetic field, has the characteristics of no wiring installation, no need of external power supply, convenient installation and the like, and is widely applied to the fields of parking lot parking space detection, roadside parking management, signal lamp control, traffic volume investigation and the like. The traffic information acquisition and disposal under various complex scenes can be met.
However, the existing geomagnetic vehicle detector is disposable equipment, although a battery is arranged in the geomagnetic vehicle detector, the service life of the geomagnetic vehicle detector is only 3-5 years, and the geomagnetic vehicle detector needs to be constructed and replaced again after the battery is consumed, so that the application cost is greatly increased, and great waste is also caused.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned weak point that exists among the prior art, the to-be-solved technical problem of the utility model is to provide a rechargeable magnetism image earth magnetism car inspection ware of response and car inspection system.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: an induction charging type magnetic image geomagnetic vehicle detector is arranged below the ground and comprises a magnetic field detection unit, a wireless charging unit, a wireless transmission unit, an energy storage battery and a battery management unit, wherein the magnetic field detection unit is used for detecting whether a vehicle is arranged above the geomagnetic vehicle detector or not; the battery management unit is connected with the magnetic field detection unit, the wireless transmission unit and the energy storage battery, and the energy storage battery is connected with the wireless charging unit.
The wireless charging unit comprises an induction coil.
The energy storage battery is a rechargeable lithium battery.
And the signal detected by the magnetic field detection unit is processed by the battery management unit and then is sent to the master station through the wireless transmission unit.
The battery management unit is a circuit board card with an MCU processor and with signal acquisition, processing, communication and charging control functions.
An induction charging type magnetic image vehicle inspection system comprises a vehicle inspection device and a charging host machine used for working on the ground; the charging host machine comprises a charging coil and an electric storage battery pack, the charging coil is connected with the electric storage battery pack, the electric storage battery pack is used for storing electric energy, and the charging coil is used for induction charging of a wireless charging unit in the vehicle detector.
The utility model discloses the addition of innovation wireless charging unit and charging coil, charge fast through high-efficient magnetic resonance, the work of car inspection device cooperation host computer that charges, the host computer that charges is portable charging device, can just accomplish in ten minutes and charge to installing the car inspection device in underground, makes its reactivation, and very big reduction application cost accords with the environmental protection requirement of green energy-conserving.
Drawings
Fig. 1 is an overall structure diagram of the car inspection device of the present invention;
fig. 2 is a schematic structural view of the vehicle inspection system of the present invention;
fig. 3 is a schematic circuit diagram of the magnetic field detection unit of the present invention;
fig. 4 is a schematic circuit diagram of a battery management unit according to the present invention;
fig. 5 is a schematic circuit diagram of the wireless transmission unit of the present invention;
fig. 6 is a schematic circuit diagram of the wireless charging unit of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, the utility model provides a rechargeable magnetism mapping earth magnetism car inspection ware of response, the car inspection ware sets up in the below ground, pre-buried underground in the garage. The vehicle detector comprises a magnetic field detection unit for detecting whether a vehicle is arranged above the vehicle detector, a wireless charging unit for generating induced electric energy, a battery management unit for storing the electric energy and a wireless transmission unit for connecting a master station; the battery management unit is connected with the magnetic field detection unit, the wireless transmission unit and the energy storage battery, and the energy storage battery is connected with the wireless charging unit.
As shown in fig. 3, the magnetic field detection unit employs a hessical magnetometer MAG3110, which is connected to the peripheral circuit as shown in fig. 3, senses the electromagnetic change on the ground through the magnetometer, and further determines whether a vehicle passes through, and outputs an output signal to the battery management unit through pins SDA and SCL.
As shown in FIG. 4, the battery management unit adopts an msp430f2132 ultra-low power consumption micro-control as a main control chip and is connected to the wireless transmission unit through a CC1101PWR, and pins No. 8, 9, 10, 11, 21 and 22 of the msp430f2132 are connected to the wireless transmission unit.
Fig. 5 shows a schematic circuit diagram of a wireless transmission unit, which is a circuit module commonly used in the field of wireless communication and is a prior art.
As shown in fig. 6, the wireless charging unit is connected to the induction coil through the spx1117 voltage regulator, and further charges to the outside, wherein D3 is a light emitting diode, and emits light in a charging state to indicate that charging is in progress. The energy storage battery is a rechargeable battery. And the signal detected by the magnetic field detection unit is sent to the master station through the wireless transmission unit. The utility model discloses an embodiment, earth magnetism car inspection ware detects response time and is 10ms, and the flow detection precision > 97%, and wireless operating frequency range 433M 2.4G frequency channel is optional, operating temperature: -30-75 degrees.
As shown in fig. 2, the present invention further provides an induction charging type magnetic image car inspection system, which comprises the car inspection device shown in fig. 1 and a charging host for working on the ground; the charging host machine comprises a charging coil and an electric storage battery pack, the charging coil is connected with the electric storage battery pack, the charging battery pack is used for storing electric energy, and the charging coil is used for induction charging of a wireless charging unit in the vehicle detector. The utility model adopts the magnetic resonance wireless charging technology, and the charging time can reach 90% in more than ten minutes; has the function of power shortage alarm. The charging host is portable in design, and can be automatically charged by being directly placed above the vehicle inspection device.
Claims (6)
1. An induction charging type magnetic image geomagnetic vehicle inspection device is characterized in that the geomagnetic vehicle inspection device is arranged below the ground and comprises a magnetic field detection unit, a wireless charging unit, a wireless transmission unit, an energy storage battery and a battery management unit, wherein the magnetic field detection unit is used for detecting whether a vehicle is arranged above the geomagnetic vehicle inspection device; the battery management unit is connected with the magnetic field detection unit, the wireless transmission unit and the energy storage battery, and the energy storage battery is connected with the wireless charging unit.
2. The induction charging type magnetic image geomagnetic vehicle detector according to claim 1, wherein the wireless charging unit comprises an induction coil.
3. The induction charging type magnetic mapping geomagnetic vehicle detector according to claim 1, wherein the energy storage battery is a rechargeable lithium battery.
4. The induction charging type magnetic image geomagnetic vehicle detector as recited in claim 1, wherein the signal detected by the magnetic field detection unit is processed by the battery management unit and then transmitted to the master station through the wireless transmission unit.
5. The induction charging type magnetic image geomagnetic vehicle inspection device according to claim 1, wherein the battery management unit is a circuit board card with an MCU processor and having signal acquisition, processing, communication and charging control functions.
6. An induction charging type magnetic image vehicle inspection system, which is characterized by comprising the vehicle inspection device as claimed in claim 1 and a charging host machine for working on the ground; the charging host machine comprises a charging coil and an electric storage battery pack, the charging coil is connected with the electric storage battery pack, the electric storage battery pack is used for storing electric energy, and the charging coil is used for induction charging of a wireless charging unit in the vehicle detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921879095.3U CN212255730U (en) | 2019-11-04 | 2019-11-04 | Induction charging type magnetic image geomagnetic vehicle inspection device and vehicle inspection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921879095.3U CN212255730U (en) | 2019-11-04 | 2019-11-04 | Induction charging type magnetic image geomagnetic vehicle inspection device and vehicle inspection system |
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| CN212255730U true CN212255730U (en) | 2020-12-29 |
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| CN201921879095.3U Active CN212255730U (en) | 2019-11-04 | 2019-11-04 | Induction charging type magnetic image geomagnetic vehicle inspection device and vehicle inspection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113256999A (en) * | 2021-05-11 | 2021-08-13 | 电子科技大学 | Geomagnetic vehicle detection system and method based on radio frequency wireless charging |
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2019
- 2019-11-04 CN CN201921879095.3U patent/CN212255730U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113256999A (en) * | 2021-05-11 | 2021-08-13 | 电子科技大学 | Geomagnetic vehicle detection system and method based on radio frequency wireless charging |
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