CN209590777U - A kind of switching device for wireless vehicle detector - Google Patents
A kind of switching device for wireless vehicle detector Download PDFInfo
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- CN209590777U CN209590777U CN201920728377.7U CN201920728377U CN209590777U CN 209590777 U CN209590777 U CN 209590777U CN 201920728377 U CN201920728377 U CN 201920728377U CN 209590777 U CN209590777 U CN 209590777U
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- wireless vehicle
- vehicle detector
- control module
- magnetic sensor
- magnetic
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Abstract
The utility model provides a kind of switching device for wireless vehicle detector, including being set to the Magnetic Sensor of detector enclosure interior, being electrically connected with Magnetic Sensor and providing the power module of power supply for it, power module is electrically connected with the control module of detector enclosure interior and provides power supply for it, Magnetic Sensor is electrically connected with control module, Magnetic Sensor for induced magnet be close such that when the outside of detector shell have magnet close to when to control module output voltage signal so that control module switches between working condition and suspend mode standby mode.Its switch for operating control wireless vehicle detector internal circuit in a non-contact manner, wireless vehicle detector is shut down in storage or transportation state to realize, the purpose of work is just opened in use state, and the service life of wireless vehicle detector can be extended, and do not increase the capacity of battery and the volume of product.
Description
[technical field]
The utility model relates to a kind of switching devices for wireless vehicle detector.
[background technique]
Wireless vehicle detector in order to realize the purpose conveniently installed and used, use wireless data transmission, battery power supply with
And the design method of miniaturization.However contradiction is produced between miniaturization and internal cell capacity, for the ease of installation, it is desirable that produce
Product volume is small as far as possible, thus it requires battery volume is also small as far as possible, thus limits the capacity of battery, leads to wireless vehicle detector
Reduced service life.In order to extend the service life of wireless vehicle detector, and the capacity and product of battery are not increased
Volume, general approach are to reduce power consumption.Other than the power consumption of the operation working condition after product installation, dispatch from the factory in production
Storage and the power consumption in haulage stage later is also an important factor for influencing product battery life.
In order to reduce wireless vehicle detector in the power consumption of the non-service stage such as storage and transport, the prior art is done
Method is to increase a physical switch, and in non-service stage, equipment is in off-mode, without energy consumption；When in use,
By artificial direct Operation switch, booting work is realized.This method needs in device external opening there are man-machine interactive operation
Interface is closed, thus destroys the integrality of device housings, waterproofness can be led to the problem of in the interface of switch.
In addition to this, another way of the prior art is realized by network protocol, and wireless vehicle detector interval is arranged
Some cycles send networking frame, if networking frame does not obtain response, equipment goes successively to dormant state, unless networking frame obtains
The answer signal of surrounding receiver, equipment just start booting.On the one hand this way still needs equipment and sends out by certain period
It is sent into net frame, that is, still has certain power consumption.On the other hand, in storage or physical state, device periodically sends nothing
Line signal can generate serious wireless electromagnetic to ambient enviroment and interfere, particularly with air transportation process.
In addition there are also some other power on-off modes, for example utilize gravity switch, mercury switch, accelerometer, vibration
Sensor etc., by by equipment is upright or inverted mode is set by identification according to the characteristic that the vertical the earth's core of gravity direction is downward
Standby posture realizes switching on and shutting down purpose.Since these realize that technology depends on the effect of gravity, to equipment storage or transportation mistake
Journey posture have particular/special requirement, therefore be unfavorable for practical operation.
[utility model content]
The technical problem to be solved by the present invention is to provide a kind of switching devices for wireless vehicle detector, with non-
The mode of contact operates the switch of control wireless vehicle detector internal circuit, so that realizing will be wireless in storage or transportation state
Wagon detector shutdown, the purpose of work is just opened in use state.
Purpose of the utility model is realized as follows:
A kind of switching device for wireless vehicle detector, including be set to detector enclosure interior Magnetic Sensor, with
The Magnetic Sensor is electrically connected and provides the power module of power supply, the control of the power module and detector enclosure interior for it
Module is electrically connected and provides power supply for it, and the Magnetic Sensor is electrically connected with control module, and the Magnetic Sensor is for incuding magnetic
Iron be close such that when the outside of detector shell have magnet close to when to control module output voltage signal so that control
Molding block switches between working condition and suspend mode standby mode.
Hall sensing can be used in a kind of switching device for wireless vehicle detector as described above, the Magnetic Sensor
Device.
A kind of switching device for wireless vehicle detector as described above, the Magnetic Sensor can also use magnetic red
Switch.
A kind of switching device for wireless vehicle detector as described above, the Magnetic Sensor using Hall in addition to being passed
Outside sensor and magnetic reed switch, AMR reluctance switch, GMR reluctance switch or TMR reluctance switch can also be also used.
A kind of control method of the switching device for wireless vehicle detector as described above, includes the following steps:
A: induction on duty, control module are in Low-power-consumptiodormancy dormancy state, and it is close whether Magnetic Sensor induced magnet on duty has；
B: wake up work, when Magnetic Sensor sensed magnet close to when, Magnetic Sensor to control module output voltage believe
Number and by control module wake up and enter working condition, realize the booting of wireless vehicle detector；
C: continue it is on duty, in working condition, Magnetic Sensor continue induced magnet on duty whether have it is close；
D: shutdown suspend mode, in working condition, Magnetic Sensor sensed magnet close to when, Magnetic Sensor is to control module
Output voltage signal simultaneously makes control module that the state closed to suspend mode be arranged, and realizes the shutdown of wireless vehicle detector, then
Return to step A.
The utility model compared with prior art, has following technical characterstic:
1, it is not destroyed compared to traditional mechanically actuated on-off mode without retaining the man-machine interactive operation hole of traditional switch
The integrality of product casing, the mechanical cover of wireless vehicle detector can be accomplished to be fully sealed, and avoid waterproofness problem.
2, compared to the on-off mode for regularly sending networking frame using network protocol, the utility model is after production
Storage or logistics transportation stage are in shutdown dormant state, just pass through external magnet when installing and using and are operated into work shape
State, therefore avoid additional power consumption, at the same avoid generated during storage or transportation electromagnetic interference other
Electronic equipment.
3, compared to the inductive switch mode by gravity, the utility model is acted on using external magnetic field, than by weight
The posture induction mode of power is reliable and stable, while also avoiding transport and storage state to the rigors of product placement mode.
4, Magnetic Sensor keeps working condition on duty with extremely low power consumption operation, can extend wireless vehicle detector
Service life, and do not increase the capacity of battery and the volume of product.
[Detailed description of the invention]
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the control flow block diagram of the utility model.
[specific embodiment]
A kind of switching device for wireless vehicle detector, including be set to detector shell 10 inside Magnetic Sensor 1,
It is electrically connected with Magnetic Sensor 1 and provides the power module 2 of power supply for it, the control inside power module 2 and detector shell 10
Module 3 is electrically connected and provides power supply for it, and Magnetic Sensor 1 is electrically connected with control module 3, and Magnetic Sensor 1 is for induced magnet 4
Be close such that when the outside of detector shell 10 have magnet 4 close to when to 3 output voltage signal of control module so that control
Molding block 3 switches between working condition and suspend mode standby mode.
A kind of control method of above-mentioned switching device for wireless vehicle detector, includes the following steps:
A: induction on duty, control module 3 are in Low-power-consumptiodormancy dormancy state, and whether the induced magnet 4 on duty of Magnetic Sensor 1 leans on
Closely, wireless vehicle detector is in off working state at this time, and Magnetic Sensor 1 is under the power supply of power module 2 with extremely low power consumption number
Work is kept, control module 3 is in Low-power-consumptiodormancy dormancy standby mode, the communication of wireless vehicle detector under the power supply of power module 2
Module 5 and detection module 6 are controlled by control module 3, are also at closing or suspend mode standby mode；
B: wake up work, when Magnetic Sensor 1 sensed magnet 4 close to when, Magnetic Sensor 1 exports electricity to control module 3
Control module 3 is simultaneously waken up and enters working condition by pressure signal, and the program code run in control module 3 judges that signal has
Effect, is determined with magnet 4 close to wireless vehicle detector and triggers its work, and then control module 3 enters working condition and realizes
The booting of wireless vehicle detector, the communication module 5 of wireless vehicle detector and detection module 6 are controlled by control module 3 at this time
It is also at the state of work；
C: continue it is on duty, in working condition, Magnetic Sensor 1 continue induced magnet 4 on duty whether have it is close；
D: shutdown suspend mode, in working condition, Magnetic Sensor 1 sensed magnet 4 close to when, Magnetic Sensor 1 is to control
3 output voltage signal of module and the state that the setting of control module 3 is closed to suspend mode, in the journey of 3 internal operation of control module
The identification judgement of sequence code has magnet 4 close to signal, and programmed logic determines that equipment needs to enter shutdown dormant state, then control module
The communication module 5 of 3 control wireless vehicle detectors and the closing of detection module 6 or suspend mode, and itself setting is closed into shape to suspend mode
State realizes the shutdown of wireless vehicle detector, is then returned to step A.
A variety of different embodiments can be used in Magnetic Sensor 1, when Magnetic Sensor 1 is using Hall sensor, due to Hall
Sensor is that constant bias current is loaded to Hall element using a kind of magnetic field detection sensor of Hall effect manufacture, when
In the presence of having external magnetic field, under Lorentz force effect, Hall element surface can be because the offset of electron stream forms potential difference, i.e.,
Hall voltage.Using the Hall sensor chip of CMOS technology, it is internally integrated hall sensing element and signal conditioning circuit, it can be straight
The on-off model for exporting high/low level is connect, operating voltage meets wireless vehicle detector battery (electricity between 1.7~5.5V
Source module 2) supply voltage requirement, and Hall sensor is worked in a manner of periodic sampling, in the case where 20Hz sample rate, is put down
Equal operating current is for 1uA, it can be achieved that the standby state on duty of super low-power consumption.Hall sensor passes through signal wire and control module 3
Be conductively connected, when external magnet 4 close to when, Hall sensor output is high level signal, and control module 3 be in low level and touches
Send out dormant state effective, hardly consumption power.When outside have magnet 4 close to when, Hall sensor detects the magnetic of magnet 4
, output becomes low level from high level, and trigger control module 3, which is interrupted, wakes up its work, realizes power up function.In wireless vehicle
Detector is switched on operating status, when non-magnet 4 close to when, Hall sensor exports high level to control module 3, control module
3 keep normal operating conditions；When have magnet 4 close to when, Hall sensor output signal is changed into low level by high level, triggering
Control module 3, which is interrupted, enters dormant state, realizes power-off operation.
When Magnetic Sensor 1 is using magnetic reed switch (also known as tongue tube, magnetic reed tube or reed capsule), since magnetic reed switch is by soft
Magnetic material is made into two reed contacts, and contact disconnects the quiescent dissipation, it can be achieved that extremely low when no external magnetic field；When there is external magnetic
When field action, soft magnetic material is magnetized, and external magnetic field makes two reed contacts be magnetized to different polarity, and attract each other closure
Conducting.Using magnetic reed switch as magnetic induction part, when with/without external magnet close to when, magnetic reed switch exports high or low
On-off model is to control module 3, to realize the started in non-contact form of wireless vehicle detector and the state switching of shutdown.
When Magnetic Sensor 1 is using AMR (Anisotropic Magneto Resistance) reluctance switch, due to AMR
Reluctance switch utilizes AMR anisotropy magnetoresistance, and when external magnetic field variation, the resistivity of AMR anisotropy magnetoresistance material occurs
Variation, the variation by measuring resistance value detect external magnetic field value indirectly.AMR anisotropy magnetoresistive sensor is low in energy consumption, is easy to collect
At sensor chip is internally integrated signal conditioning circuit, and when external magnetic field changes, testing result can directly pass through output
High/low level signal mode is exported to control module 3, to realize started in non-contact form and the shutdown of wireless vehicle detector
State switching.
GMR reluctance switch or TMR reluctance switch also can be used in Magnetic Sensor 1.Using giant magnetic effect GMR (Giant
Magneto Resistance) and the magnetic resistance of the technologies such as tunnel magneto-resistance effect TMR (Tunnel Magneto Resistance) open
Element is closed, working principle is identical as using AMR reluctance switch.
Specifically, control module can be used STM32 or MSP430, Hall sensor can be used S-5712, SL353,
MKA14103 can be used in DRV5032, AH1921, BUS52012, MH251, DH621 or HAL148, dry spring (magnetic red/tongue) pipe
Or SM351RT, SM353RT or MR6133 can be used in GPS-14, AMR reluctance switch.
Claims (4)
1. a kind of switching device for wireless vehicle detector, it is characterised in that including being set to detector shell (10) inside
Magnetic Sensor (1) is electrically connected with the Magnetic Sensor (1) and provides the power module (2) of power supply, the power module for it
(2) control module (3) internal with detector shell (10) is electrically connected and provides power supply, the Magnetic Sensor (1) and control for it
Molding block (3) electrical connection, the Magnetic Sensor (1) are close such that for induced magnet (4) when detector shell (10)
Outside have magnet (4) close to when to control module (3) output voltage signal so that control module (3) in working condition and
Switch between suspend mode standby mode.
2. a kind of switching device for wireless vehicle detector according to claim 1, it is characterised in that the magnetic passes
Sensor (1) uses Hall sensor.
3. a kind of switching device for wireless vehicle detector according to claim 1, it is characterised in that the magnetic passes
Sensor (1) uses magnetic reed switch.
4. a kind of switching device for wireless vehicle detector according to claim 1, it is characterised in that the magnetic passes
Sensor (1) uses AMR reluctance switch, GMR reluctance switch or TMR reluctance switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920728377.7U CN209590777U (en) | 2019-05-20 | 2019-05-20 | A kind of switching device for wireless vehicle detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920728377.7U CN209590777U (en) | 2019-05-20 | 2019-05-20 | A kind of switching device for wireless vehicle detector |
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| Publication Number | Publication Date |
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| CN209590777U true CN209590777U (en) | 2019-11-05 |
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| CN201920728377.7U Active CN209590777U (en) | 2019-05-20 | 2019-05-20 | A kind of switching device for wireless vehicle detector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110096127A (en) * | 2019-05-20 | 2019-08-06 | 中山市路讯智能交通科技有限公司 | A kind of switching device and its control method for wireless vehicle detector |
| WO2024043290A1 (en) * | 2022-08-25 | 2024-02-29 | Ｎｅｘｔ Ｉｎｎｏｖａｔｉｏｎ合同会社 | Switch mechanism and power-on method |
-
2019
- 2019-05-20 CN CN201920728377.7U patent/CN209590777U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110096127A (en) * | 2019-05-20 | 2019-08-06 | 中山市路讯智能交通科技有限公司 | A kind of switching device and its control method for wireless vehicle detector |
| WO2024043290A1 (en) * | 2022-08-25 | 2024-02-29 | Ｎｅｘｔ Ｉｎｎｏｖａｔｉｏｎ合同会社 | Switch mechanism and power-on method |
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