CN208737674U - A kind of parking space detector means for anti-jamming - Google Patents
A kind of parking space detector means for anti-jamming Download PDFInfo
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- CN208737674U CN208737674U CN201821415436.7U CN201821415436U CN208737674U CN 208737674 U CN208737674 U CN 208737674U CN 201821415436 U CN201821415436 U CN 201821415436U CN 208737674 U CN208737674 U CN 208737674U
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Abstract
The utility model discloses a kind of parking space detector means for anti-jammings, the means for anti-jamming built-in circuit module, circuit module is provided with geomagnetic sensor circuit module and anti-jamming circuit module, the geomagnetic sensor circuit module includes RM3100 geomagnetic sensor, and the end VIN of the RM3100 geomagnetic sensor connects the anti-jamming circuit being made of operational amplifier U2, resistance R7, resistance R11, resistance R19, capacitor C10, capacitor C9, resistance R5, capacitor C12, resistance R6, adjustable resistance R18, resistance R8；The end NC of the RM3100 geomagnetic sensor is connected by the transistor Q2 of insulated gate structure, resistance R14, capacitor C16, capacitor C17, resistance R15, resistance R13, capacitor C15, operational amplifier U3, resistance R10, resistance R11, the signal amplification circuit being made of the transistor H1 of insulated gate structure, resistance R12, capacitor C13；The utility model means for anti-jamming strong interference immunity, parking space detector are not in erroneous detection when detecting vehicle.
Description
Technical field
The utility model relates to parking stall auxiliary devices, particularly relate to a kind of parking space detector means for anti-jamming.
Background technique
With the development of economy, people's lives level is also higher and higher, and automobile just gradually comes into common people house, each
The car owning amount of big-and-middle small city is all at the growing trend of explosion type.The vehicles facilitate people's lives, but vehicle
Increasingly increase, also brings many inconvenience to life to a certain extent.
With popularizing for automobile, parking difficulty, the vicious circle disorderly stopped has become the management difficult point in city.Parking stall not
In the case where foot, the utilization rate of parking lot parking stall can only be improved using the parking system of intelligence.Its core is exactly parking stall measure.
Magnetic induction coil is a kind of mode of parking space detector, and earth coil detection is arrived existing after decades of development
The present has been standardized, and technology maturation is easy to grasp, and counts accurate and system and stablizes, but due to signal, will receive interference, because
This is badly in need of a kind of parking space detector with means for anti-jamming to solve problems.
Utility model content
Aiming at the shortcomings in the prior art, the technical problem to be solved by the present invention is to provide a kind of parking stall measures
Device means for anti-jamming.
In order to solve the above technical problems, the utility model is realized by following scheme: a kind of parking space detector is anti-interference
Device, the means for anti-jamming built-in circuit module, circuit module are provided with geomagnetic sensor circuit module and anti-jamming circuit mould
Block, the geomagnetic sensor circuit module include RM3100 geomagnetic sensor, the end the VIN connection of the RM3100 geomagnetic sensor
By operational amplifier U2, resistance R7, resistance R11, resistance R19, capacitor C10, capacitor C9, resistance R5, capacitor C12, resistance R6, can
Adjust the anti-jamming circuit of resistance R18, resistance R8 composition；
Resistance is connected between the end VIN of the RM3100 geomagnetic sensor and the first pin of the operational amplifier U2
R7, and resistance R11, resistance R11 are connected on the circuit node between the end VIN and resistance R7 of the RM3100 geomagnetic sensor
The other end ground connection；
Second pin access+5V the power supply of the operational amplifier U2, third pin connect resistance R19, and the 4th draws
Foot connects resistance 8, the 5th pin ground connection, and the 6th pin connects the first leads ends of operational amplifier U3；
The resistance R19 connects with resistance R5, and connects capacitor on the circuit node between resistance R19 and resistance R5
C10, capacitor C9, the other end of capacitor C10 is connected on the circuit node between the operational amplifier U2 and resistance R8, described
The capacitor C9 other end connects capacitor C12, and the other end of capacitor C12 is connected to the electricity between the operational amplifier U2 and resistance R8
It on circuit node, is grounded on the circuit node between the capacitor C9 and capacitor C12, is connected between the resistance R5 and resistance R8
Resistance R6 connects the adjustable side of adjustable resistance R18, the adjustable resistance R18 on the circuit node between resistance R6 and resistance R8
One end connect resistance R5 and resistance R6, the other end ground connection；
The end NC of the RM3100 geomagnetic sensor connects transistor Q2, the resistance R14, capacitor by insulated gate structure
C16, capacitor C17, resistance R15, resistance R13, capacitor C15, operational amplifier U3, resistance R10, resistance R11, by insulated gate structure
Transistor H1, resistance R12, capacitor C13 constitute signal amplification circuit；
The end NC of the RM3100 geomagnetic sensor connects resistance R14, and at the end NC of the RM3100 geomagnetic sensor
Capacitor C16, the capacitor C16 other end ground connection are connected on circuit node between resistance R14；
The other end connection transistor Q2 by insulated gate structure of the resistance R14, and in resistance R14 and institute
It states and is connected with capacitor C17 and resistance R15, the capacitor on the circuit node between the transistor Q2 by insulated gate structure
C17 other end ground connection, the resistance R15 other end ground connection；
A pin of the transistor Q2 is grounded, and output pin connects resistance R13 and by insulated gate structure
The base terminal of transistor H1 and the other end ground connection of capacitor C15, the capacitor C15；
A pin of the transistor H1 is grounded, and output pin connects resistance R11, and the resistance R11's is another
One end connects the third pin of operational amplifier U3, resistance R10, resistance R12, capacitor C13, and the 4th of the operational amplifier U3 the
6th pin of pin and operational amplifier U2, second pin access 5V power supply, the 5th pin ground connection；
Other end access+4.05V the power supply of the resistance R10, the other end ground connection of the resistance R12, the capacitor C13
The other end ground connection.
Further, each pin connection circuit of the RM3100 geomagnetic sensor U1 is as follows:
First pin connects capacitor C1, the other end ground connection of capacitor C1；
Second pin connects capacitor C3, the GND pin of the other end connection RM3100 geomagnetic sensor U1 of capacitor C3；
4th pin connects capacitor C4, capacitor C4 other end ground connection；
6th pin connects resistance R2, and the other end of resistance R2 accesses the end VCC；
7th pin connects resistance R1, and the other end of resistance R1 accesses the end VCC；
8th pin is connected with capacitor C5, and the other end of the capacitor C5 is grounded and is connected to the RM3100 earth magnetism sensing
The tenth pin of device U1.
Compared with the existing technology, the beneficial effects of the utility model are:
1, strong interference immunity, parking space detector are not in erroneous detection when detecting vehicle；
2, integral slab designs, and machines convenient for patch；
3, the grounding design of integrated circuit is optimized.
Detailed description of the invention
Fig. 1 is the utility model RM3100 geomagnetic sensor circuit figure；
Fig. 2 is the anti-jamming circuit figure that the end VIM of the utility model RM3100 geomagnetic sensor connects；
Fig. 3 is the end the NC connection signal amplification circuit diagram of the utility model RM3100 geomagnetic sensor.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear
Define.
Please refer to attached drawing 1-3, a kind of parking space detector means for anti-jamming of the utility model, the means for anti-jamming in-built electrical
Road module, circuit module are provided with geomagnetic sensor circuit module and anti-jamming circuit module, the geomagnetic sensor circuit mould
Block includes RM3100 geomagnetic sensor, the connection of the end VIN of the RM3100 geomagnetic sensor by operational amplifier U2, resistance R7,
Resistance R11, resistance R19, capacitor C10, capacitor C9, resistance R5, capacitor C12, resistance R6, adjustable resistance R18, resistance R8 are formed
Anti-jamming circuit；
Resistance is connected between the end VIN of the RM3100 geomagnetic sensor and the first pin of the operational amplifier U2
R7, and resistance R11, resistance R11 are connected on the circuit node between the end VIN and resistance R7 of the RM3100 geomagnetic sensor
The other end ground connection；
Second pin access+5V the power supply of the operational amplifier U2, third pin connect resistance R19, and the 4th draws
Foot connects resistance 8, the 5th pin ground connection, and the 6th pin connects the first leads ends of operational amplifier u3；
The resistance R19 connects with resistance R5, and connects capacitor on the circuit node between resistance R19 and resistance R5
C10, capacitor C9, the other end of capacitor C10 is connected on the circuit node between the operational amplifier U2 and resistance R8, described
The capacitor C9 other end connects capacitor C12, and the other end of capacitor C12 is connected to the electricity between the operational amplifier U2 and resistance R8
It on circuit node, is grounded on the circuit node between the capacitor C9 and capacitor C12, is connected between the resistance R5 and resistance R8
Resistance R6 connects the adjustable side of adjustable resistance R18, the adjustable resistance R18 on the circuit node between resistance R6 and resistance R8
One end connect resistance R5 and resistance R6, the other end ground connection；
The end NC of the RM3100 geomagnetic sensor connects transistor Q2, the resistance R14, capacitor by insulated gate structure
C16, capacitor C17, resistance R15, resistance R13, capacitor C15, operational amplifier U3, resistance R10, resistance R11, by insulated gate structure
Transistor H1, resistance R12, capacitor C13 constitute signal amplification circuit；
The end NC of the RM3100 geomagnetic sensor connects resistance R14, and at the end NC of the RM3100 geomagnetic sensor
Capacitor C16, the capacitor C16 other end ground connection are connected on circuit node between resistance R14；
The other end connection transistor Q2 by insulated gate structure of the resistance R14, and in resistance R14 and institute
It states and is connected with capacitor C17 and resistance R15, the capacitor on the circuit node between the transistor Q2 by insulated gate structure
C17 other end ground connection, the resistance R15 other end ground connection；
A pin of the transistor Q2 is grounded, and output pin connects resistance R13 and by insulated gate structure
The base terminal of transistor H1 and the other end ground connection of capacitor C15, the capacitor C15；
A pin of the transistor H1 is grounded, and output pin connects resistance R11, and the resistance R11's is another
One end connects the third pin of operational amplifier U3, resistance R10, resistance R12, capacitor C13, and the 4th of the operational amplifier U3 the
6th pin of pin and operational amplifier U2, second pin access 5V power supply, the 5th pin ground connection；
Other end access+4.05V the power supply of the resistance R10, the other end ground connection of the resistance R12, the capacitor C13
The other end ground connection.
A kind of optimal technical scheme of the present embodiment: each pin connection circuit of the RM3100 geomagnetic sensor U1 is such as
Under:
First pin connects capacitor C1, the other end ground connection of capacitor C1；
Second pin connects capacitor C3, the GND pin of the other end connection RM3100 geomagnetic sensor U1 of capacitor C3；
4th pin connects capacitor C4, capacitor C4 other end ground connection；
6th pin connects resistance R2, and the other end of resistance R2 accesses the end VCC；
7th pin connects resistance R1, and the other end of resistance R1 accesses the end VCC；
8th pin is connected with capacitor C5, and the other end of the capacitor C5 is grounded and is connected to the RM3100 earth magnetism sensing
The tenth pin of device U1.
RM3100 geomagnetic sensor U1 is the small-sized low-power consumption of one kind, digital axis magnetometer, has wide dynamic model
It encloses；Magnetometer on RM3100 geomagnetic sensor U1 can measure two axis of present position magnetic field levels direction and vertical direction axis one
The geomagnetic data of totally 3 axial directions.RM3100 geomagnetic sensor U1 is connected by the I2C string shape interface of standard with MCU, can be measured
The position magnetic field of up to 10Gs, output data rate is up to 80Hz.
By operational amplifier U2, resistance R7, resistance R11, resistance R19, capacitor C10, capacitor C9, resistance R5, capacitor C12,
The anti-jamming circuit strong antijamming capability of resistance R6, adjustable resistance R18, resistance R8 composition, wherein adjustable resistance R18 is according to vehicle
Whether there is vehicle to carry out different resistance adjustments on position, gives operational amplifier U2, operation amplifier to adapt to optimal current feedback
Device U2 transmits a signal to signal amplification module according to the calculating of the difference of electric current is optimal, and is believed transmission by signal amplification circuit
Number amplification, to reach jamproof purpose, amplified signal is sent to signal transmission module, and establishes connection with nearest base station.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the patent model of the utility model
Enclose, equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, or directly or
It connects and is used in other relevant technical fields, be also included in the patent protection scope of the utility model.
Claims (2)
1. a kind of parking space detector means for anti-jamming, the means for anti-jamming built-in circuit module, circuit module are provided with earth magnetism biography
Sensor circuit module and anti-jamming circuit module, the geomagnetic sensor circuit module include RM3100 geomagnetic sensor, special
Sign is: the connection of the end VIN of the RM3100 geomagnetic sensor by operational amplifier U2, resistance R7, resistance R11, resistance R19,
The anti-jamming circuit that capacitor C10, capacitor C9, resistance R5, capacitor C12, resistance R6, adjustable resistance R18, resistance R8 are formed；
It is connected with resistance R7 between the end VIN of the RM3100 geomagnetic sensor and the first pin of the operational amplifier U2,
And resistance R11 is connected on the circuit node between the end VIN and resistance R7 of the RM3100 geomagnetic sensor, resistance R11's
Other end ground connection；
Second pin access+5V the power supply of the operational amplifier U2, third pin connect resistance R19, and the 4th pin connects
Connecting resistance 8, the 5th pin ground connection, the 6th pin connect the first leads ends of operational amplifier U3；
The resistance R19 connects with resistance R5, and capacitor C10, electricity are connected on the circuit node between resistance R19 and resistance R5
Hold C9, the other end of capacitor C10 is connected on the circuit node between the operational amplifier U2 and resistance R8, the capacitor C9
The other end connects capacitor C12, and the other end of capacitor C12 is connected to the circuit node between the operational amplifier U2 and resistance R8
On, it is grounded on the circuit node between the capacitor C9 and capacitor C12, is connected with resistance between the resistance R5 and resistance R8
R6, connects the adjustable side of adjustable resistance R18 on the circuit node between resistance R6 and resistance R8, and the one of the adjustable resistance R18
End connection resistance R5 and resistance R6, other end ground connection；
The RM3100 geomagnetic sensor the end NC connection by the transistor Q2 of insulated gate structure, resistance R14, capacitor C16,
Capacitor C17, resistance R15, resistance R13, capacitor C15, operational amplifier U3, resistance R10, resistance R11, the crystalline substance by insulated gate structure
The signal amplification circuit that body triode H1, resistance R12, capacitor C13 are constituted；
The end NC of the RM3100 geomagnetic sensor connects resistance R14, and at the end NC of the RM3100 geomagnetic sensor and electricity
It hinders and connects capacitor C16 on the circuit node between R14, the capacitor C16 other end ground connection；
The other end connection transistor Q2 by insulated gate structure of the resistance R14, and resistance R14 and it is described by
It is connected with capacitor C17 on circuit node between the transistor Q2 of insulated gate structure and resistance R15, the capacitor C17 is another
One end ground connection, the resistance R15 other end ground connection；
A pin of the transistor Q2 is grounded, and output pin connects resistance R13 and the crystal by insulated gate structure
The base terminal of triode H1 and the other end ground connection of capacitor C15, the capacitor C15；
A pin of the transistor H1 is grounded, and output pin connects resistance R11, the other end of the resistance R11
Connect third pin, resistance R10, resistance R12, the capacitor C13 of operational amplifier U3, the 4th pin of the operational amplifier U3
With the 6th pin of operational amplifier U2, second pin accesses 5V power supply, the 5th pin ground connection；
Other end access+4.05V the power supply of the resistance R10, the other end ground connection of the resistance R12, the capacitor C13's is another
One end ground connection.
2. a kind of parking space detector means for anti-jamming according to claim 1, it is characterised in that: the RM3100 earth magnetism passes
Each pin connection circuit of sensor U1 is as follows:
First pin connects capacitor C1, the other end ground connection of capacitor C1；
Second pin connects capacitor C3, the GND pin of the other end connection RM3100 geomagnetic sensor U1 of capacitor C3；
4th pin connects capacitor C4, capacitor C4 other end ground connection；
6th pin connects resistance R2, and the other end of resistance R2 accesses the end VCC；
7th pin connects resistance R1, and the other end of resistance R1 accesses the end VCC；
8th pin is connected with capacitor C5, and the other end of the capacitor C5 is grounded and is connected to the RM3100 geomagnetic sensor U1
The tenth pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821415436.7U CN208737674U (en) | 2018-08-29 | 2018-08-29 | A kind of parking space detector means for anti-jamming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821415436.7U CN208737674U (en) | 2018-08-29 | 2018-08-29 | A kind of parking space detector means for anti-jamming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208737674U true CN208737674U (en) | 2019-04-12 |
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ID=66031928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821415436.7U Active CN208737674U (en) | 2018-08-29 | 2018-08-29 | A kind of parking space detector means for anti-jamming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208737674U (en) |
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2018
- 2018-08-29 CN CN201821415436.7U patent/CN208737674U/en active Active
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