CN208444447U - A kind of parking space detector - Google Patents

Abstract

The utility model discloses a kind of parking space detectors, including shell hollow built in one, the shell includes compatible upper housing and lower case, magnetic force induction device and control panel are equipped in the shell, the surface of the upper housing is equipped with ultrasonic wave module, the ultrasonic wave module is connect with the control panel, the control panel includes energy-storage travelling wave tube, microcontroller, power amplifier module, wireless transport module and locating module, the energy-storage travelling wave tube is connect with each electrical equipment respectively, the power amplifier module is connect with the microcontroller and ultrasonic wave module respectively, the microcontroller also respectively with the magnetic force induction device, ultrasonic wave module, wireless transport module is connected with locating module；Its effect is: being detected by the ultrasonic wave module being equipped with, such Redundancy Design makes accuracy rate get a greater increase, and reduction leads to the problem of erroneous detection；It also will test information by wireless transport module simultaneously to be transmitted in the equipment of distal end, be convenient for user management and monitoring.

Description

A kind of parking space detector

Technical field

The utility model belongs to detector technologies field, and in particular to arrives a kind of parking space detector.

Background technique

Now with smart city, the propulsion of Internet of Things, the application scenarios of parking stall detection are more and more.The prior art In, mainstream, for road surface installation parking space detector, mostly using the technology of geomagnetism detecting.By detecting parking stall Changes of magnetic field infer whether parking stall occupied.Such mode often by external environment the reason of generate drift, hold Vulnerable to the influence of adjacent parking stall changes of magnetic field, to lead to the problem of erroneous detection.

Summary of the invention

To solve the above-mentioned problems, the purpose of the utility model is to provide a kind of parking space detectors, reduce in the prior art There are problems that the defect of erroneous detection.

The technical solution that the utility model is taken are as follows: a kind of parking space detector, including shell hollow built in one, the shell Body includes compatible upper housing and lower case, is equipped with magnetic force induction device and control panel, the table of the upper housing in the shell Face is equipped with ultrasonic wave module, and the ultrasonic wave module is connect with the control panel, and the control panel includes energy-storage travelling wave tube, micro-control Device, power amplifier module, wireless transport module and locating module processed, the energy-storage travelling wave tube are connect with each electrical equipment respectively, the function Amplification module is connect with the microcontroller and ultrasonic wave module respectively, the microcontroller also respectively with the magnetic force induction device, Ultrasonic wave module, wireless transport module are connected with locating module.

Compared with prior art, a kind of parking space detector provided by the utility model has the advantages that

Whether this programme is not only occupied come unloading lot detection by detection changes of magnetic field by using geomagnetic technology, also passes through Ultrasonic technology comes whether unloading lot detection is occupied, realizes the comprehensive descision of redundancy, accuracy rate can be made to obtain bigger It improves, reduction leads to the problem of erroneous detection；It also will test information by wireless transport module simultaneously to be transmitted in the equipment of distal end, be convenient for User management and monitoring.

Preferably, it in order to reduce energy consumption, convenient for promoting, applying, is additionally provided on the surface of the upper housing and adopts energy certainly Module, the energy module of adopting certainly are connect with the energy-storage travelling wave tube, and the energy module of adopting certainly is using light energy collecting device, in this way without volume Outer setting battery, carry out from adopt can, make installation and it is more convenient to use.

Preferably, the energy-storage travelling wave tube uses super capacitor；In this way convenient for setting, too large space is not accounted for.

Preferably, the shallow slot being recessed to enclosure interior is additionally provided on the one side of the upper housing；Setting is in this way convenient for use The folding that family is taken with shell.

Preferably, the shape of the shallow slot is circle.

Preferably, the locating module uses GPS module, and wireless transport module uses GPRS module, WCDMA module, 4G Any module in module, NB-IoT module, LoRa module and Sigfox module.

Preferably, the magnetic force induction device uses LsM303 chip, first and the 4th pin point of the LsM303 chip It is not connect with the microcontroller, the microcontroller also draws with the seven, the tenth and the 11st of the LsM303 chip respectively Foot connection.

Preferably, the power amplifier module includes power amplifier, and the power amplifier includes switching device Q11, switching device Q12, JMc1615 chip, inductance L1, diode D9, resistance R44 and capacitor C41；The microcontroller output has the enabled letter of power amplifier Number, for controlling the on-off of the switching device Q12, the base stage company of the collector of switching device Q12 and the switching device Q11 Connect, the emitter of switching device Q11 is connect with power supply VCC, the collector of switching device Q11 respectively with the JMc1615 chip The 4th connected with the 5th pin, the first of JMc1615 chip and the 5th is equipped with the inductance L1, JMc1615 core between pin First pin of piece is connect with one end of one end of the resistance R44 and capacitor C41 respectively after also passing through the diode D9, institute The one end for stating capacitor C41 is also connect with the ultrasonic wave module, the other end of the resistance R44 and the third of JMc1615 chip Pin connection, the other end of capacitor C41 are connect with the second pin of JMc1615 chip.

Preferably, the ultrasonic wave module includes ultrasonic drive circuit, and the ultrasonic drive circuit includes derailing switch Part Q4, resistance R6, resistance R25, transformer T1 and ultrasonic probe T2, the microcontroller output have ultrasonic wave driving signal, For controlling the on-off of the switching device Q4, the source electrode of the switching device Q4 is grounded by the resistance R25, the switch The drain electrode of device Q4 and one end of transformer T1 primary side connect, and the other end of the transformer T1 primary side passes through after the resistance R6 It is connect with one end of capacitor C41 in the power amplifier, the both ends on the secondary side of the transformer T1 and the ultrasonic probe T2 Connection, one end ground connection of the ultrasonic probe T2, the other end of the ultrasonic probe T2 are connect with the microcontroller.

By adopting the above technical scheme, have the advantage that the utility model proposes a kind of parking space detector, not only pass through It is whether occupied come unloading lot detection by detection changes of magnetic field using geomagnetic technology, be also come unloading lot detection by ultrasonic technology It is no occupied, it realizes the comprehensive descision of redundancy, accuracy rate can be made to get a greater increase, reduction leads to the problem of erroneous detection； It also will test information by wireless transport module simultaneously to be transmitted in the equipment of distal end, be convenient for user management and monitoring.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model embodiment；

Fig. 2 is the circuit connection diagram of microcontroller in the utility model embodiment；

Fig. 3 is the circuit connection diagram of magnetic force induction device in the utility model embodiment；

Fig. 4 is the circuit connection diagram of power amplifier module in the utility model embodiment；

Fig. 5 is the circuit connection diagram of ultrasonic wave module in the utility model embodiment；

Fig. 6 is the circuit connection diagram of a wireless transport module in the utility model embodiment；

Fig. 7 is the circuit connection diagram of residual capacity measurement circuit in the utility model embodiment.

Specific embodiment

In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing And specific embodiment is described in detail, description here is not meant that corresponding to all of the specific example stated in embodiment Theme all refers in the claims.

Refering to what is shown in Fig. 1, a kind of parking space detector, including shell hollow built in one, the shell includes compatible Upper housing 1 and lower case 2, the shell is interior to be equipped with magnetic force induction device and control panel, and the surface of the upper housing 1 is equipped with ultrasound Wave module 4, the ultrasonic wave module 4 are connect with the control panel, and the control panel includes energy-storage travelling wave tube, microcontroller, power amplifier Module, wireless transport module and locating module, the energy-storage travelling wave tube are connect with each electrical equipment respectively, the power amplifier module difference Connect with the microcontroller and ultrasonic wave module 4, the microcontroller also respectively with the magnetic force induction device, ultrasonic wave module 4, wireless transport module is connected with locating module.

Specifically, (not shown) inside housings is arranged in control panel and magnetic force induction device, and the parking space detector is embedding Enter on parking stall, while being detected by magnetic force induction device, is also detected by the ultrasonic wave module being equipped with, it is such superfluous Remaining design makes accuracy rate get a greater increase, and reduction leads to the problem of erroneous detection；Letter also will test by wireless transport module simultaneously Breath is transmitted in the equipment of distal end, is convenient for user management and monitoring.

Further, in order to reduce energy consumption, keep the overall structure of device simpler, it is described convenient for promoting, application It is additionally provided on the surface of upper housing from energy module 3 is adopted, the energy module 3 of adopting certainly is connect with the energy-storage travelling wave tube, described to adopt energy certainly Module 3 uses light energy collecting device, is not necessarily to additional setting battery in this way, carries out making installation and more convenient to use, example from energy is adopted Such as, Germany easily can gloomy light energy collecting device, in this way without additional setting battery, using visible light carry out from adopt can, make installation with It is more convenient to use.

Further, for the ease of energy storage setting, too large space is not accounted for, and the energy-storage travelling wave tube uses super capacitor.

Further, the folding taken for the ease of user with shell is additionally provided with to shell on the one side of the upper housing 1 The shallow slot 5 of body inner recess.

Further, the shape of the shallow slot 5 is circle.

Further, the locating module use GPS module, wireless transport module using GPRS module, WCDMA module, Any module in 4G module, NB-IoT module, LoRa module and Sigfox module.

Referring to figs. 2 to shown in Fig. 7, the output of energy-storage travelling wave tube exports after carrying out pressure stabilizing by voltage-stablizer MCP1703T, micro-control Device processed includes single-chip minimum system, while output has the enabled and driving signal of each module respectively, and the present embodiment is with LoRa For module, to control whether that, to corresponding module for power supply, specific connection relationship is as shown in Figure 6.

Further, with reference to Fig. 3, the magnetic force induction device uses LsM303 chip, the first He of the LsM303 chip 4th pin is connect with the microcontroller respectively, the microcontroller also respectively with the LsM303 chip the seven, the tenth It is connected with the 11st pin.

Further, with reference to Fig. 4, in order to drive ultrasonic wave module to work, the power amplifier module includes power amplifier, described Power amplifier includes switching device Q11, switching device Q12, JMc1615 chip, inductance L1, diode D9, resistance R44 and capacitor C41；The microcontroller output has power amplifier enable signal, for controlling the on-off of the switching device Q12, switching device Q12 Collector connect with the base stage of the switching device Q11, the emitter of switching device Q11 is connect with power supply VCC, switching device The collector of Q11 is connect with the 4th and the 5th pin of the JMc1615 chip respectively, and the first of JMc1615 chip and the 5th Be equipped with the inductance L1 between pin, the first pin of JMc1615 chip also pass through after the diode D9 respectively with the electricity One end of resistance R44 is connected with one end of capacitor C41, and one end of the capacitor C41 is also connect with the ultrasonic wave module, the electricity The other end of resistance R44 is connect with the third pin of JMc1615 chip, and the other end of capacitor C41 draws with the second of JMc1615 chip Foot connection.It is arranged in this way by the low voltage transition of 3.3V into the high voltage of 28V；It should be noted that VCC is 3.3V, U9 in Fig. 4 For JMc1615 chip.

Further, with reference to Fig. 5, the ultrasonic wave module includes ultrasonic drive circuit, the ultrasonic drive circuit There is ultrasonic wave including switching device Q4, resistance R6, resistance R25, transformer T1 and ultrasonic probe T2, the microcontroller output Driving signal, for controlling the on-off of the switching device Q4, the source electrode of the switching device Q4 is connect by the resistance R25 Ground, the drain electrode of the switching device Q4 and one end of transformer T1 primary side connect, and the other end of the transformer T1 primary side passes through Connect after the resistance R6 with one end of capacitor C41 in the power amplifier, the both ends on the secondary side of the transformer T1 with it is described Ultrasonic probe T2 connection, the ultrasonic probe T2 one end ground connection, the other end of the ultrasonic probe T2 with it is described micro- Controller connection.

Further, with reference to Fig. 7, a kind of parking space detector further includes residual capacity measurement on the control panel Circuit, the residual capacity measurement circuit include 3.3V power supply, switching device Q13, switching device Q15, resistance R12, resistance R28, resistance R63, resistance R64 and capacitor C48, the microcontroller output have residual capacity measurement signal, the remaining capacity Detection signal is used to drive the on-off of the switching device Q15, and 3.3V power supply is connect with one end of the resistance R63, the electricity The other end of resistance R63 is connect with one end of the collector of the switching device Q15 and resistance R28 respectively, the switching device Q15 Emitter ground connection, the other end of the resistance R28 connect with the base stage of the switching device Q13, the switching device Q13's Emitter is connect with 3.3V power supply, and the collector of the switching device Q13 is sequentially connected in series the resistance R12 and resistance R64 is followed by Ground, the capacitor C48 are connected in parallel on the both ends of the resistance R64, one end ground connection of the capacitor C48, the other end and the micro-control Device connection processed；It is also convenient for fully understanding the working condition and cruising ability of state detector in this way.

When work, by the way that the detection signal of magnetic force induction device and ultrasonic wave module is sent to microcontroller, by being equipped with The Redundancy Design that is detected of ultrasonic wave module, reduce and be easy to be influenced by adjacent parking stall changes of magnetic field in the prior art, To leading to the problem of erroneous detection, after microcontroller is triggered, server (or cloud is transmitted information to by wireless transport module End), microcontroller can upload heartbeat message according to certain time interval by wireless module, be not intended to limit herein, user It can be monitored, be handled by webpage or mobile phone A pp, consequently facilitating related personnel understands the real-time condition of parking stall in real time.

Here, it is to be noted that, the utility model relates to function, algorithm, method etc. be only the prior art routine Adaptability application.Therefore, improvement of the utility model for the prior art, the connection relationship being substantially between hardware, rather than Although it is related to some functions, algorithm, method for function, algorithm, method itself namely the utility model, but and does not include pair The improvement that function, algorithm, method itself propose.Description of the utility model for function, algorithm, method, is in order to better Illustrate the utility model, to better understand the utility model.

Finally, it should be noted that foregoing description is the preferred embodiment of the utility model, the ordinary skill people of this field Member under the premise of without prejudice to the utility model aims and claim, can make a variety of under the enlightenment of the utility model Similar expression, such transformation are each fallen within the protection scope of the utility model.

Claims (9)

1. a kind of parking space detector, including shell hollow built in one, the shell includes compatible upper housing and lower case, Magnetic force induction device and control panel are equipped in the shell, which is characterized in that the surface of the upper housing is equipped with ultrasonic wave module, The ultrasonic wave module is connect with the control panel, and the control panel includes energy-storage travelling wave tube, microcontroller, power amplifier module, wireless Transmission module and locating module, the energy-storage travelling wave tube are connect with each electrical equipment respectively, the power amplifier module respectively with it is described micro- Controller is connected with ultrasonic wave module, the microcontroller also respectively with the magnetic force induction device, ultrasonic wave module, wireless transmission Module is connected with locating module.

2. a kind of parking space detector according to claim 1, which is characterized in that be additionally provided on the surface of the upper housing certainly Energy module is adopted, the energy module of adopting certainly is connect with the energy-storage travelling wave tube, and the energy module of adopting certainly uses light energy collecting device.

3. a kind of parking space detector according to claim 1, which is characterized in that be additionally provided on the one side of the upper housing The shallow slot being recessed to enclosure interior.

4. a kind of parking space detector according to claim 3, which is characterized in that the shape of the shallow slot is circle.

5. a kind of parking space detector according to claim 4, which is characterized in that the energy-storage travelling wave tube uses super capacitor.

6. a kind of parking space detector according to claim 1, which is characterized in that the locating module uses GPS module, nothing Line transmission module is using appointing in GPRS module, WCDMA module, 4G module, NB-IoT module, LoRa module and Sigfox module One module.

7. a kind of parking space detector according to claim 1, which is characterized in that the magnetic force induction device uses LsM303 core Piece, the LsM303 chip first and the 4th pin connect respectively with the microcontroller, the microcontroller also respectively with The the seven, the tenth of the LsM303 chip connect with the 11st pin.

8. a kind of parking space detector according to claim 1, which is characterized in that the power amplifier module includes power amplifier, The power amplifier include switching device Q11, switching device Q12, JMc1615 chip, inductance L1, diode D9, resistance R44 and Capacitor C41；The microcontroller output has power amplifier enable signal, for controlling the on-off of the switching device Q12, switching device The collector of Q12 is connect with the base stage of the switching device Q11, and the emitter of switching device Q11 is connect with power supply VCC, switch The collector of device Q11 is connect with the 4th and the 5th pin of the JMc1615 chip respectively, the first He of JMc1615 chip Be equipped with the inductance L1 between 5th pin, the first pin of JMc1615 chip also pass through after the diode D9 respectively with institute The one end for stating resistance R44 is connected with one end of capacitor C41, and one end of the capacitor C41 is also connect with the ultrasonic wave module, institute The other end for stating resistance R44 is connect with the third pin of JMc1615 chip, and the of the other end of capacitor C41 and JMc1615 chip The connection of two pins.

9. a kind of parking space detector according to claim 8, which is characterized in that the ultrasonic wave module includes that ultrasonic wave drives Dynamic circuit, the ultrasonic drive circuit includes switching device Q4, resistance R6, resistance R25, transformer T1 and ultrasonic probe T2, the microcontroller output has ultrasonic wave driving signal, for controlling the on-off of the switching device Q4, the switching device The source electrode of Q4 is grounded by the resistance R25, and the drain electrode of the switching device Q4 and one end of transformer T1 primary side connect, described The other end of transformer T1 primary side is connect after passing through the resistance R6 with one end of capacitor C41 in the power amplifier, the change The both ends on the secondary side of depressor T1 are connect with the ultrasonic probe T2, one end ground connection of the ultrasonic probe T2, the ultrasound The other end of wave probe T2 is connect with the microcontroller.