CN206075366U - Electronic-parking timer - Google Patents
Electronic-parking timer Download PDFInfo
- Publication number
- CN206075366U CN206075366U CN201621079045.3U CN201621079045U CN206075366U CN 206075366 U CN206075366 U CN 206075366U CN 201621079045 U CN201621079045 U CN 201621079045U CN 206075366 U CN206075366 U CN 206075366U
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- Prior art keywords
- timer
- resistance
- audion
- microcontroller
- battery
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Abstract
The utility model discloses a kind of electronic-parking timer, is related to time set technical field.The timer includes microcontroller, key-press module, display module, battery, battery power detection circuit, 3-axis acceleration sensor and acousto-optic hint module.When in use, the timer is put in the automobile for needing timing, when 3-axis acceleration sensor does not sense motor racing in a threshold time, microcontroller starts timing by internal timer, when 3-axis acceleration sensor senses motor racing, microprocessor controls timer stops timing, and down time is automatically shown on the display module, refers to for driver.
Description
Technical field
This utility model is related to time set technical field, more particularly to a kind of electronic-parking timer.
Background technology
For most parking lot, be to take chargeable service, expenses standard according to down time length not
Together.In order to improve efficiency, reduce the labor intensity of parking lot staff and improve billing accuracy, current some parking lots are
Jing starts to adopt autotimer, but traditional timer needs just complete manually.It is embodied in：Press manually for the first time
Lower button, starts timing, is manually pressed by button for the second time, stops timing；Third time is manually pressed by button, respective value zero.
It can be seen that, current parking meter operation is complex, only manual mode, and pattern is single, and intelligent level is low, it is impossible to automatically
Perceive the down time of vehicle.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of electronics of down time that automatically can perceive and stops
Car timer, to solve the problems, such as electronic timer complex operation in prior art.
To solve above-mentioned technical problem, technical solution adopted in the utility model is：A kind of electronic-parking timer, its
It is characterised by：Including microcontroller, key-press module is embedded on the shell of the timer, defeated with the signal of the microcontroller
Enter end connection, for being input into control command；Display module is embedded on the shell of the timer, the letter with the microcontroller
Number outfan connection, for showing related data；Battery is embedded in the battery compartment of the shell, the power output end point of battery
For two-way, first via Jing battery power detection circuit is connected with the signal input part of the microcontroller, and the second tunnel is micro- with described
The power input connection of controller, battery are used for need the module powered to provide working power, battery electric quantity in timer
Detection circuit is used to detect the electricity of the battery and the information about power for detecting is sent to microcontroller；3-axis acceleration is passed
Sensor is connected with the signal input part of microcontroller, for sensing whether automobile moves；Acousto-optic hint module and the microcontroller
The signal input part connection of device, senses motor racing when the timer operation and by the 3-axis acceleration sensor
When, described in microprocessor controls, acousto-optic hint module sends acousto-optic hint signal.
Further technical scheme is：The timer also includes RF-FSK modules, RF-FSK modules and the micro-control
Device processed is bi-directionally connected, and reminds letter for being sent to Car park payment terminal when motor racing is sensed under the control of the micro-controller
Number.
Preferably, the battery power detection circuit includes resistance R1, and one end of resistance R1 is the sampling input of battery,
The other end of resistance R1 is divided into three tunnels, first via Jing electric capacity C1 ground connection, the second road Jing resistance R2 ground connection, the 3rd tunnel and audion Q1
Base stage connection, the grounded emitter of audion Q1, the colelctor electrode of audion Q1 respectively with resistance R3 and one end of resistance R4
Connection, the other end of resistance R4 are connected with the emitter stage of audion Q2, and the other end of resistance R3 is connected with the base stage of audion Q2,
Jing resistance R5 and light emitting diode D1 is grounded the colelctor electrode of audion Q2 successively, and the node of audion Q1 and resistance R4 is described
The sampled output of battery power detection circuit, the emitter stage of the audion Q2 are power input with the node of the resistance R4
End.
Preferably, the audion Q1 is NPN type triode, and audion Q2 is PNP type triode.
Using the beneficial effect produced by above-mentioned technical proposal it is：When in use, the timer is put into into needs
In the automobile of timing, when 3-axis acceleration sensor does not sense motor racing in a threshold time, microcontroller
Timing is started by internal timer, when 3-axis acceleration sensor senses motor racing, microprocessor controls timing
Device stops timing, and down time is automatically shown on the display module, refers to for driver.
When by the 3-axis acceleration sensor, microcontroller judges that timing stops, microcontroller not only control sound
Light reminding module sends acousto-optic hint sound, reminds toll collector to note, also by the RF-FSK modules to charge intelligent terminal
Information is sent, charge is pointed out.
Also there is on the timer battery power detection circuit, can effectively monitor the electricity of battery, remind toll collector
Member is timely charged or changes battery, prevents which from failing during use, it is impossible to record down time, improve which
The stability of operation.
Additionally, the simple structure of the battery power detection circuit, low cost, and there is alarm lamp, it is convenient to observe.
Description of the drawings
With reference to the accompanying drawings and detailed description this utility model is described in further detail.
Fig. 1 is the schematic block circuit diagram of timer described in this utility model embodiment；
Fig. 2 is the schematic diagram of battery power detection circuit in timer described in this utility model embodiment.
Specific embodiment
With reference to the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Many details are elaborated in the following description in order to fully understand this utility model, but this practicality is new
Type can also be different from alternate manner described here to implement using other, and those skilled in the art can be without prejudice to this reality
With doing similar popularization in the case of new intension, therefore this utility model is not limited by following public specific embodiment.
As shown in figure 1, the utility model discloses a kind of electronic-parking timer, including microcontroller, in key-press module
It is embedded on the shell of the timer, is connected with the signal input part of the microcontroller, for is input into control command；Show mould
Block is embedded on the shell of the timer, is connected with the signal output part of the microcontroller, for showing related data；Electricity
Pond is embedded in the battery compartment of the shell, and the power output end of battery is divided into two-way, first via Jing battery power detection circuit
It is connected with the signal input part of the microcontroller, the second tunnel is connected with the power input of the microcontroller, and battery is used for
To need the module powered to provide working power in timer, battery power detection circuit for detect the battery electricity simultaneously
The information about power for detecting is sent to into microcontroller；3-axis acceleration sensor is connected with the signal input part of microcontroller,
For sensing whether automobile moves；RF-FSK modules are bi-directionally connected with the microcontroller, for sending to Car park payment terminal
Corresponding information；Acousto-optic hint module is connected with the signal input part of the microcontroller, when the timer operation and is passed through
When the 3-axis acceleration sensor senses motor racing, described in microprocessor controls, acousto-optic hint module sends acousto-optic hint
Signal, and RF-FSK modules are controlled to Car park payment terminal transmission alerting signal.
When in use, the timer is put in the automobile for needing timing, when 3-axis acceleration sensor is at one
When not sensing motor racing in threshold time, microcontroller starts timing by internal timer, works as 3-axis acceleration
When sensor sensing is to motor racing, microprocessor controls timer stops timing, and down time is automatically shown to institute
State on display module, refer to for driver.
When by the 3-axis acceleration sensor, microcontroller judges that timing stops, microcontroller not only control sound
Light reminding module sends acousto-optic hint sound, reminds toll collector to note, also by the RF-FSK modules to charge intelligent terminal
Information is sent, charge is pointed out.
Also there is on the timer battery power detection circuit, can effectively monitor the electricity of battery, remind toll collector
Member is timely charged or changes battery, prevents which from failing during use, it is impossible to record down time, improve which
The stability of operation.
In one embodiment of the present utility model, as shown in Fig. 2 the battery power detection circuit includes resistance R1,
Sampling input of the one end of resistance R1 for battery, the other end of resistance R1 are divided into three tunnels, and first via Jing electric capacity C1 is grounded, and second
Road Jing resistance R2 ground connection, the 3rd tunnel are connected with the base stage of audion Q1, the grounded emitter of audion Q1, the current collection of audion Q1
Pole is connected with one end of resistance R3 and resistance R4 respectively, and the other end of resistance R4 is connected with the emitter stage of audion Q2, resistance
The other end of R3 is connected with the base stage of audion Q2, and Jing resistance R5 and light emitting diode D1 connect the colelctor electrode of audion Q2 successively
Ground, the node of audion Q1 and resistance R4 is the sampled output of the battery power detection circuit, and the audion Q2's sends out
Emitter-base bandgap grading is power input with the node of the resistance R4.The audion Q1 is NPN type triode, and audion Q2 is positive-negative-positive
Audion.
In Fig. 2, output voltages of the Vbat for battery, first the battery threshold threshold voltage of alarm and three poles as needed
The conduction threshold voltage of pipe Q1 selects resistance R1 and resistance R2, for example：Audion Q1 selects paster audion 2N3905, battery
For the series connection of 2 section single lithium batteries, need to start to report to the police when lithium battery voltage drops to 5.5V (Vbat=5.5V), and due to patch
The conduction threshold voltage of piece audion 2N3905 is 0.5V (Vbe=0.5V), then can be according to formula Vbat=Vbe* (R1
+ R2)/R2 determines the size of first resistor R1, second resistance R2.
The emitter stage of audion Q2 connects+5V power supplys, a general-purpose interface line GPI01 sampling A level point electricity of microcontroller
Pressure；When being detected, GPI01 is initialized as into input state, when cell voltage is higher than threshold voltage, audion Q1 leads
Logical, audion Q2 conductings then, light emitting diode D1 are lighted, and show that now electric quantity of lithium battery is normal, and GPI01 detects low electricity
It is flat；When cell voltage is less than threshold voltage, audion Q1 cut-offs, audion Q2 cut-offs then, light emitting diode D1 are extinguished,
GPI01 detects high level, and now into alarm mode, then, GPI01 is set to output mode by microcontroller, and output is high
Level, audion Q1 keep cut-off, light emitting diode D1 to keep OFF state, then time delay T1, make GPI01 output low levels,
Then audion Q2 conductings, light emitting diode D1 are lighted；Time delay T2 again, setting GPI01 are input pattern, detect again, so follow
Ring.Thus, when lithium battery voltage is less than threshold voltage, the light emitting diode D1 presentation T1 times extinguish what+T2 the times lighted
Periodic flicker state.Resistance R3 and resistance R5 plays metering function, and resistance R4 is pull-up resistor, and electric capacity C1 strobes.Institute
Simple structure, the low cost of battery power detection circuit are stated, and there is alarm lamp, it is convenient to observe.
Claims (4)
1. a kind of electronic-parking timer, it is characterised in that：Including microcontroller, key-press module is embedded in the outer of the timer
On shell, it is connected with the signal input part of the microcontroller, for being input into control command；Display module is embedded in the timer
Shell on, be connected with the signal output part of the microcontroller, for showing related data；Battery is embedded in the shell
In battery compartment, the power output end of battery is divided into two-way, the letter of first via Jing battery power detection circuit and the microcontroller
The connection of number input, the second tunnel be connecteds with the power input of the microcontroller, and battery is used for need to power in timer
Module working power is provided, battery power detection circuit is used to detect the electricity of the battery and by the information about power for detecting
It is sent to microcontroller；3-axis acceleration sensor is connected with the signal input part of microcontroller, for sensing whether automobile is transported
It is dynamic；Acousto-optic hint module is connected with the signal input part of the microcontroller, when the timer operation and by three axle
When acceleration transducer senses motor racing, described in microprocessor controls, acousto-optic hint module sends acousto-optic hint signal.
2. electronic-parking timer as claimed in claim 1, it is characterised in that：The timer also includes RF-FSK modules,
RF-FSK modules are bi-directionally connected with the microcontroller, for when motor racing is sensed under the control of the micro-controller to stopping
Car charging terminal sends alerting signal.
3. electronic-parking timer as claimed in claim 1, it is characterised in that：The battery power detection circuit includes resistance
Sampling input of the one end of R1, resistance R1 for battery, the other end of resistance R1 are divided into three tunnels, and first via Jing electric capacity C1 is grounded,
Second road Jing resistance R2 ground connection, the 3rd tunnel are connected with the base stage of audion Q1, the grounded emitter of audion Q1, audion Q1's
Colelctor electrode is connected with one end of resistance R3 and resistance R4 respectively, and the other end of resistance R4 is connected with the emitter stage of audion Q2,
The other end of resistance R3 is connected with the base stage of audion Q2, the colelctor electrode of audion Q2 Jing resistance R5 and light emitting diode successively
D1 is grounded, and the node of audion Q1 and resistance R4 is the sampled output of the battery power detection circuit, the audion Q2
Emitter stage and the resistance R4 node be power input.
4. electronic-parking timer as claimed in claim 3, it is characterised in that：The audion Q1 be NPN type triode, three
Pole pipe Q2 is PNP type triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621079045.3U CN206075366U (en) | 2016-09-23 | 2016-09-23 | Electronic-parking timer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621079045.3U CN206075366U (en) | 2016-09-23 | 2016-09-23 | Electronic-parking timer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206075366U true CN206075366U (en) | 2017-04-05 |
Family
ID=58440587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621079045.3U Expired - Fee Related CN206075366U (en) | 2016-09-23 | 2016-09-23 | Electronic-parking timer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206075366U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108961467A (en) * | 2018-06-27 | 2018-12-07 | 南京工程学院 | Mobile logistics big data statistical system and method based on moving direction |
-
2016
- 2016-09-23 CN CN201621079045.3U patent/CN206075366U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108961467A (en) * | 2018-06-27 | 2018-12-07 | 南京工程学院 | Mobile logistics big data statistical system and method based on moving direction |
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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: 20170405 Termination date: 20190923 |