CN211062212U - Geomagnetic parking space detection wireless sensor - Google Patents
Geomagnetic parking space detection wireless sensor Download PDFInfo
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- CN211062212U CN211062212U CN201922356104.7U CN201922356104U CN211062212U CN 211062212 U CN211062212 U CN 211062212U CN 201922356104 U CN201922356104 U CN 201922356104U CN 211062212 U CN211062212 U CN 211062212U
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Abstract
The utility model discloses a ground magnetism parking stall for parking management detects wireless sensor. The sensor comprises a sensor shell, a sensor upper cover, a rubber ring for sealing and a PCB (printed circuit board) installed in the sensor shell, wherein the PCB is vertically inserted into the sensor shell, and the PCB is provided with a battery bin, a magnetic sensor chip and a single chip microcomputer with a wireless communication function. The wireless geomagnetic sensor is installed below the ground of the parking space, the top end of the upper cover and the ground are located on the same horizontal plane, and whether vehicles are parked on the parking space or not is judged through magnetic field change detected by the magnetic sensor chip. The singlechip is all connected to the output data of magnetic sensor chip, is outwards sent through wireless mode by the singlechip, the utility model discloses but the accurate occupation condition on detection parking stall to reliable and stable sends data receiver with data.
Description
Technical Field
The invention belongs to the technical field of parking management, and particularly relates to a geomagnetic parking space detection wireless sensor.
Background
At present, the urban roadside parking management usually adopts a manual watching mode, has low management efficiency and high cost, and is easy to have the phenomena of inaccurate timing and charge leakage. With the increasing maturity of wireless network communication and mobile payment technology, the unmanned condition has become the trend of urban road parking management. The geomagnetic sensor is used for detecting the occupation condition of the urban roadside parking spaces, has the advantages of low cost, convenience in installation and high detection success rate, and is generally applied to management of the roadside parking spaces.
The current earth magnetism parking stall detection sensor in market, the diameter is general big on the verge with highly, and the installation is inconvenient, is rolled the in-process by the wheel and damages easily, and the waterproof performance is destroyed after the upper cover warp.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a geomagnetic parking space detection wireless sensor, which is powered by a battery, detects the occupancy condition of a parking space by using a magnetic sensor chip, can transmit data in a wireless mode, and is greatly reduced in diameter.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a geomagnetic parking stall detects wireless sensor, including the sensor housing 3 who has upper cover 2, sensor housing 3 is long cylindric, vertical installation, and PCB board 6 inserts sensor housing 3 perpendicularly, and it has the battery compartment 5 that is used for detecting the battery compartment 4 with being used for detecting the battery compartment 7 of parking stall occupation condition to distribute on the PCB board 6, and battery 4 is the power supply of geomagnetic sensor chip 7, and wherein, battery compartment 5 is located the below of PCB board 6, and geomagnetic sensor chip 7 is located the top of PCB board 6.
Be provided with between upper cover 2 and the sensor housing 3 and be used for waterproof sealing rubber ring 8, upper cover 2 passes through the installation fastening of screw 1 with sensor housing 3.
The sensor housing 3 is externally recessed to prevent rotation after installation.
The inside of sensor housing 3 is used for the draw-in groove of fixed PCB board 6, has the draw-in groove that is used for fixed PCB board 6 corresponding with the inside draw-in groove of sensor housing 3 on the upper cover 2.
The upper cover 2 is provided with an annular groove for placing a sealing rubber ring 8.
And a singlechip with a wireless communication function is arranged on the PCB 6.
The single chip microcomputer with the wireless communication function is connected with an antenna, and when the geomagnetic sensor chip 7 detects that the parking space occupation condition changes, the geomagnetic sensor chip sends data to the single chip microcomputer, and the data are sent to a ground receiver through the single chip microcomputer in a wireless mode.
Adopt the utility model discloses afterwards, geomagnetic sensor's diameter can descend by a wide margin, possesses following advantage:
1, because sensor PCB board and battery compartment insert sensor housing perpendicularly, effectively saved the space, can effectively reduce the sensor diameter.
2, the diameter of the sensor is reduced, the diameter of a ground drilling hole is correspondingly reduced in the installation process, and the damage degree to the road surface is greatly reduced.
3, the diameter of the sensor is reduced, the contact area between the sensor and the upper cover is reduced when the wheel rolls, the pressure is reduced, and the upper cover is not easy to damage.
And 4, the diameter of the sensor is reduced, the sealing performance of the upper cover of the sensor and the shell is improved, and the waterproof performance is improved.
And 5, due to wireless data transmission of the sensor, a power supply cable and a data line are not required to be laid, and the sensor is convenient to install, economical and practical.
And 6, the battery compartment, the single chip microcomputer for communication, the antenna and the PCB are integrally designed, so that the sensor is more compact in structure, the height of the sensor can be reduced, the manufacturing cost is reduced, and the sensor is convenient to install on site.
7, the utility model has the advantages of simple and reasonable structure, it is easy to produce, accords with actual need.
Drawings
Fig. 1 is an exploded view of the structure according to the present invention.
Fig. 2 is a cross-sectional view according to the present invention.
Fig. 3 is a cross-sectional view according to a-a in fig. 2.
Fig. 4 is a schematic block diagram of a detection circuit in embodiment 2 of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the drawings and examples.
Example 1
As shown in fig. 1, 2 and 3, a geomagnetic parking space detection wireless sensor comprises a long cylindrical sensor housing 3, wherein the sensor housing 3 is vertically installed, an upper cover 2 is arranged at the top of the sensor housing 3, a clamping groove used for fixing a PCB 6 is formed in the sensor housing 3, and a clamping groove used for fixing the PCB 6 and corresponding to the clamping groove in the sensor housing 3 is formed in the upper cover 2 and used for fixing the PCB 6 and preventing the PCB from shaking in the sensor.
The PCB board 6 is vertically inserted into the sensor housing 3, effectively reducing the sensor diameter. The PCB 6 is provided with the geomagnetic sensor chip 7 for detecting the occupation condition of the parking space, the geomagnetic sensor chip 7 is arranged on the upper part of the PCB 6 and close to the upper cover 2 of the sensor, so that the influence of underground steel bars and pipelines on the magnetic field is reduced, and the detection accuracy is increased.
There is the annular groove that is used for placing sealed rubber ring 8 on the upper cover 2, can set up between upper cover 2 and sensor housing 3 and be used for waterproof sealed rubber ring 8, and upper cover 2 passes through the installation of screw 1 with sensor housing 3 and fastens.
The sensor shell 3 is provided with a groove outside, so that the stability of the sensor can be ensured during installation and the rotation can be prevented
A rectangular groove is formed in the position above the PCB 6 and used for being embedded into the battery compartment 5, and two batteries 4 used for supplying power to the sensor are installed in the battery compartment 5.
According to this structure, wireless earth magnetism sensor installs in parking stall below ground, and upper cover top and ground are in same horizontal plane, distinguish whether there is the vehicle parking in parking stall through the magnetic sensor chip detects magnetic field variation. Greatly reduced the diameter that ground magnetism parking stall detected wireless sensor, and the sealing performance of sensor upper cover and casing increases, is favorable to improving waterproof performance.
Example 2
On embodiment 1's basis, be provided with the singlechip that has the wireless communication function on the PCB board 6, when ground magnetic sensor chip 7 detected parking stall occupation situation and changed, give the singlechip with data transmission, by wireless transmission of singlechip to ground receiver, needn't lay supply cable and data line, simple to operate, economical and practical.
In this embodiment, the geomagnetic sensor chip 7 employs a typical HMC 5883L, and the single chip microcomputer employs a CC2541, and the relationship between the two is shown in fig. 4.
Claims (7)
1. The utility model provides a geomagnetic parking stall detects wireless sensor, including sensor housing (3) that has upper cover (2), a serial communication port, sensor housing (3) are long cylindric, vertical installation, PCB board (6) insert sensor housing (3) perpendicularly, it has battery compartment (5) that are used for detecting geomagnetic sensor chip (7) of parking stall occupation condition and are used for installing battery (4) to distribute on PCB board (6), battery (4) are the power supply of geomagnetic sensor chip (7), wherein, battery compartment (5) are located the below of PCB board (6), geomagnetic sensor chip (7) are located the top of PCB board (6).
2. The geomagnetic parking space detection wireless sensor according to claim 1, wherein a waterproof sealing rubber ring (8) is arranged between the upper cover (2) and the sensor housing (3), and the upper cover (2) and the sensor housing (3) are installed and fastened through screws (1).
3. A geomagnetic parking space detection wireless sensor according to claim 1, wherein the sensor housing (3) is provided with a groove on the outside to prevent rotation after installation.
4. The geomagnetic parking space detection wireless sensor according to claim 1, wherein a slot for fixing the PCB (6) is formed in the sensor housing (3), and a slot for fixing the PCB (6) is formed in the upper cover (2) and corresponds to the slot in the sensor housing (3).
5. The geomagnetic parking space detection wireless sensor according to claim 1, wherein the upper cover (2) is provided with an annular groove for placing a sealing rubber ring (8).
6. The geomagnetic parking space detection wireless sensor according to claim 1, wherein a single chip microcomputer with a wireless communication function is arranged on the PCB (6).
7. The geomagnetic parking space detection wireless sensor as defined in claim 6, wherein the single chip microcomputer with the wireless communication function is connected with an antenna, and when the geomagnetic sensor chip (7) detects that the parking space occupation condition changes, the geomagnetic sensor chip sends data to the single chip microcomputer, and the data is wirelessly sent to the ground receiver by the single chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922356104.7U CN211062212U (en) | 2019-12-25 | 2019-12-25 | Geomagnetic parking space detection wireless sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922356104.7U CN211062212U (en) | 2019-12-25 | 2019-12-25 | Geomagnetic parking space detection wireless sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211062212U true CN211062212U (en) | 2020-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922356104.7U Expired - Fee Related CN211062212U (en) | 2019-12-25 | 2019-12-25 | Geomagnetic parking space detection wireless sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211062212U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113345249A (en) * | 2021-06-04 | 2021-09-03 | 广东智停高科技发展有限公司 | Geomagnetic parking space recognizer and method for increasing endurance time of geomagnetic parking space recognizer |
-
2019
- 2019-12-25 CN CN201922356104.7U patent/CN211062212U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113345249A (en) * | 2021-06-04 | 2021-09-03 | 广东智停高科技发展有限公司 | Geomagnetic parking space recognizer and method for increasing endurance time of geomagnetic parking space recognizer |
| CN113345249B (en) * | 2021-06-04 | 2022-07-19 | 广东智停高科技发展有限公司 | Geomagnetic parking space recognizer and method for increasing endurance time of geomagnetic parking space recognizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200721 Termination date: 20201225 |