CN207198980U - Automatic vending machine with sell commodity put in storage detection circuit - Google Patents
Automatic vending machine with sell commodity put in storage detection circuit Download PDFInfo
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- CN207198980U CN207198980U CN201721109440.6U CN201721109440U CN207198980U CN 207198980 U CN207198980 U CN 207198980U CN 201721109440 U CN201721109440 U CN 201721109440U CN 207198980 U CN207198980 U CN 207198980U
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- infrared
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Abstract
The utility model is related to a kind of automatic vending machine with sell commodity put in storage detection circuit, it is characterised in that including：First power supply, second source, infrared transmitter, infrared transmitter include infrared transmitter positive pole pin and infrared transmitter negative pin, and infrared transmitter positive pole pin electrically connects with the first positive source, and infrared transmitter negative pin electrically connects with the first power cathode；Infrared remote receiver, including infrared remote receiver positive pole pin, infrared remote receiver negative pin and signal pins, infrared remote receiver positive pole pin electrically connects with second source positive pole, infrared remote receiver negative pin electrically connects with second source negative pole, and infrared remote receiver is used to receive the infrared ray from infrared transmitter.Signal output electrode, it is electrically connected between second source positive pole and the signal pins of infrared remote receiver.MCU processors, it is connected with signal output electrode signal.The utility model cost is cheap, strong antijamming capability.
Description
Technical field
Automatic vending machine technical field is the utility model is related to, especially a kind of automatic vending machine is put in storage inspection with selling commodity
Slowdown monitoring circuit and detection method.
Background technology
For automatic vending machine when selling commodity, after shopping people buys commodity, commodity are pushed into shipment bin by commodity carrying out device,
After commodity are pushed into shipment bin by commodity carrying out device, shopping people takes commodity away., may but commodity enter after shipment bin
Because various disturbing factors can not be detected, therefore, in current automatic vending machine industry, it is cheap, anti-to need a kind of cost badly
Whether the strong detection commodity of interference performance enter the detection circuit of shipment bin.
Utility model content
Based on this, one of the present utility model aims to overcome that a kind of automatic vending of offer in place of the deficiencies in the prior art
Machine with sell commodity put in storage detection circuit, it is characterised in that including the first power supply, first power supply includes the first positive source
With the first power cathode；Second source, the second source include second source positive pole and second source negative pole；Infrared emission
Device, the infrared transmitter include positive pole pin and negative pin, and the positive pole pin and the first power supply of the infrared transmitter are just
Pole electrically connects, and negative pin electrically connects with the first power cathode；Infrared remote receiver, the infrared remote receiver include positive pole pin,
Negative pin and signal pins, the positive pole pin of the infrared remote receiver electrically connect with second source positive pole, negative pin and
Two power cathodes electrically connect, and the infrared remote receiver is used to receive the infrared ray from the infrared transmitter.Signal output electricity
Pole, the signal output electrode are electrically connected between the second source positive pole and the signal pins of the infrared remote receiver.MCU
Processor, the MCU processors are connected with the signal output electrode signal.
After infrared transmitter is powered, the infrared ray of infrared transmitter transmitting is received by infrared remote receiver, and infrared remote receiver connects
Infrared signal is demodulated after receiving infrared signal, does not have shelter to block between RF transmitter and infrared receiver
When, the demodulated signal of infrared remote receiver is high level signal；When thering is shelter to block between infrared remote receiver and infrared transmitter
When, the demodulated signal of infrared remote receiver is low level signal.The MCU processors being connected with infrared remote receiver signal receive infrared
After the demodulated signal of receiver, logical calculated is carried out to demodulated signal with judging, it is possible to determine that infrared transmitter connects with infrared
Whether there is shelter between receipts device, that is, enter shipment bin when selling commodity.
Preferably, in addition to LED visible light lamp bead, the LED visible light lamp bead are electrically connected to the second source positive pole
Between the infrared remote receiver.
When infrared remote receiver sends out high level signal, it is impossible to light LED visible light lamp bead, infrared receiver is sent out
During low level signal, LED visible light lamp bead can be made to send the interrupted visible ray of high frequency.It is infrared easily to identify between more
Whether there is shelter between transmitter and infrared remote receiver.
Further, in addition to current-limiting resistance, the current-limiting resistance are electrically connected to the second source positive pole and the LED
Between visible ray lamp bead.
Current-limiting resistance can prevent maximum current when infrared remote receiver exports low level signal to be more than LED visible light lamp bead
Normally electric current, and burn out LED visible light lamp bead.
Preferably, the voltage of first power supply is DC3V-DC5V.
Preferably, the on/off sequential of first power supply is 7 to meet make-to-break ratio:10-13:10, the signal period is
840-1560 μ s 38KHz modulation level signals.
Further, the infrared signal that the infrared transmitter is outwards launched is consistent with on/off sequential.
Launch modulated signal of the infrared ray using 38KHz, and there is certain break-make time sequence parameter, be different from general
Infrared source signal, there is certain antijamming capability.
Of the present utility model another aims to overcome that the deficiencies in the prior art, there is provided a kind of automatic vending machine is with selling
Commodity, which put in storage, detects the detection method of circuit, it is characterised in that the described method comprises the following steps：
S701：Power supply is accessed between the positive pole pin and negative pin of infrared transmitter；
S702:Infrared transmitter launches the infrared signal consistent with the break-make sequential of power supply；
S703：Infrared remote receiver receives and demodulated the infrared signal that infrared transmitter is launched, infrared signal not by
When blocking, the make-to-break ratio of demodulated signal is consistent with the infrared signal that infrared transmitter is launched, when infrared signal is blocked, solution
Tune signal is high level signal；
S704：Demodulated signal is sent to MCU processors by infrared remote receiver；
S705：MCU processors carry out sequential and logic judgment, judge whether infrared signal is blocked.
After infrared transmitter is powered, the infrared ray of infrared transmitter transmitting is received by infrared remote receiver, and infrared remote receiver connects
Infrared signal is demodulated after receiving infrared signal, does not have shelter to block between RF transmitter and infrared receiver
When, the demodulated signal of infrared remote receiver is high level signal；When thering is shelter to block between infrared remote receiver and infrared transmitter
When, the demodulated signal of infrared remote receiver is low level signal.The MCU processors being connected with infrared remote receiver signal receive infrared
After the demodulated signal of receiver, logical calculated is carried out to demodulated signal with judging, it is possible to determine that infrared transmitter connects with infrared
Whether there is shelter between receipts device, that is, enter shipment bin when selling commodity.
Preferably, when infrared signal is not blocked, LED visible light lamp bead sends the interrupted of high frequency can be infrared by light
When line signal is blocked, LED visible light lamp bead does not work.
Sightless low level signal and high level signal are converted into the bright of LED visible light lamp bead and do not worked, makes it more
Add simple and clear.
Principle of the present utility model, effect are further illustrated with reference to above-mentioned technical proposal：
1. also including LED visible light lamp bead, the LED visible light lamp bead is electrically connected to the second source positive pole and institute
State between infrared remote receiver.When infrared remote receiver sends out high level signal, it is impossible to light LED visible light lamp bead, infrared ray connects
When receipts device sends out low level signal, LED visible light lamp bead can be made to send the interrupted visible ray of high frequency.So as to convenient between more
Identification infrared transmitter and infrared remote receiver between whether have shelter.
2. infrared transmitter transmitting infrared ray is using 38KHz modulated signal, and when there is certain break-make
Order parameter, in general infrared source signal is different from, there is certain antijamming capability.
Brief description of the drawings
Fig. 1 be automatic vending machine described in the utility model embodiment with sell commodity put in storage detection circuit structural representation
Figure；
Fig. 2 is the flow chart for selling commodity infrared detection method of automatic vending machine described in the utility model embodiment.
Description of reference numerals：
First positive source 11, the first power cathode 12, infrared transmitter 2, infrared transmitter positive pole pin 21 are infrared
Transmitter negative pin 22, shelter 3, second source positive pole 41, second source negative pole 42, infrared remote receiver 5, infrared remote receiver
Positive pole pin 51, infrared remote receiver negative pin 52, signal pins 53, current-limiting resistance 6, LED visible light lamp bead 7, signal output
Electrode 8.
Embodiment
For the ease of it will be appreciated by those skilled in the art that doing the utility model into one below in conjunction with accompanying drawing and embodiment
Step is described in detail：
Such as Fig. 1, a kind of automatic vending machine is put in storage detection circuit with selling commodity, it is characterised in that including the first power supply, institute
Stating the first power supply includes the first positive source 11 and the first power cathode 12；Second source, the second source include the second electricity
Source positive pole 41 and second source negative pole 42；Infrared transmitter 2, the infrared transmitter 2 include infrared transmitter positive pole pin 21
With infrared transmitter negative pin 22, the infrared transmitter positive pole pin 21 electrically connects with the first positive source 11, infrared hair
Emitter negative pin 22 electrically connects with the first power cathode 12；Infrared remote receiver 5, the infrared remote receiver 5 include infrared receiver
Device positive pole pin 51, infrared remote receiver negative pin 52 and signal pins 53, the infrared remote receiver positive pole pin 51 and second
Positive source 41 is electrically connected, and infrared remote receiver negative pin 52 electrically connects with second source negative pole 42, and the infrared remote receiver 5 is used
In infrared ray of the reception from the infrared transmitter 2.Signal output electrode 8, the signal output electrode 8 are electrically connected to described
Between second source positive pole 41 and the signal pins 53 of the infrared remote receiver 5.MCU processors, the MCU processors with it is described
The signal of signal output electrode 8 connects.
After infrared transmitter 2 is powered, the infrared ray that infrared transmitter 2 is launched is received by infrared remote receiver 5, infrared remote receiver
5 receive infrared signal after demodulate infrared signal, there is no shelter 3 to hide between RF transmitter and infrared receiver
During gear, the demodulated signal of infrared remote receiver 5 is high level signal；When having shelter between infrared remote receiver 5 and infrared transmitter 2
3 when blocking, and the demodulated signal of infrared remote receiver 5 is low level signal.It is connected with infrared remote receiver 5 by signal output electrode 8
MCU processors receive the demodulated signal of infrared remote receiver 5 after, to demodulated signal carry out logical calculated with judge, it is possible to
Determine whether there is shelter 3 between infrared transmitter 2 and infrared remote receiver 5, that is, enter shipment bin when selling commodity.
One of which embodiment, in addition to LED visible light lamp bead 7, the LED visible light lamp bead 7 are electrically connected to described
Between two positive sources 41 and the infrared remote receiver 5.
When not having 3 i.e. commodity of shelter between infrared transmitter 2 and infrared remote receiver 5, infrared remote receiver 5 sends low electricity
Flat demodulated signal, so that the visible LED lamp bead being attached thereto sends the interrupted visible ray of high frequency；In infrared transmitter 2
Have between infrared remote receiver 5 shelter 3 i.e. commodity when, infrared remote receiver 5 persistently exports high level, so as to can not cause it is visible
Light LED lamp bead lights.
One of which embodiment, in addition to current-limiting resistance 6, the current-limiting resistance 6 are electrically connected to the second source positive pole
Between 41 and the LED visible light lamp bead 7.
When not having shelter 3 between infrared transmitter 2 and infrared remote receiver 5, infrared remote receiver 5 passes through signal pins 52
The low level current sent can be higher than the normally electric current of LED visible light lamp bead 7, the low electricity that then infrared remote receiver 5 is sent
Ordinary telegram stream can pass through current-limiting resistance 6, so that electric current diminishes, avoid damaging LED visible light lamp bead 7.
One of which embodiment, the voltage of first power supply is DC3V-DC5V.
One of which embodiment, the on/off sequential of first power supply are 7 to meet make-to-break ratio:10-13:10, letter
Number cycle is 840-1560 μ s 38KHz modulation level signals.
One of which embodiment, the infrared signal that the infrared transmitter 2 is outwards launched and on/off sequential one
Cause.
Such as Fig. 2, a kind of automatic vending machine is put in storage the detection method of detection circuit with selling commodity, it is characterised in that described
Method comprises the following steps：
S701：Power supply is accessed between the positive pole pin and negative pin of infrared transmitter 2；
S702:Infrared transmitter 2 launches the infrared signal consistent with the break-make sequential of power supply；
S703：Infrared remote receiver 5 receives and demodulated the infrared signal that infrared transmitter 2 is launched, and infrared signal does not have
When being blocked, the make-to-break ratio of demodulated signal is consistent with the infrared signal that infrared transmitter 2 is launched, and infrared signal is blocked
When, demodulated signal is high level signal；
S704：Demodulated signal is sent to MCU processors by infrared remote receiver 5 by signal output electrode 8；
S705：MCU processors carry out sequential and logic judgment, judge whether infrared signal is blocked.
One of which embodiment, when infrared signal is not blocked, LED visible light lamp bead 7 sends the interrupted of high frequency can
By light, when infrared signal is blocked, LED visible light lamp bead 7 does not work.
After infrared recipient receives the infrared light that infrared transmitter 2 is sent, infrared remote receiver 5 can send low level
Demodulated signal, so that LED visible light lamp bead 7 sends the interrupted visible ray of high frequency；When infrared transmitter 2 and infrared remote receiver
When having the shelter 3 to block between 5, when infrared remote receiver 5 can send the demodulated signal of high level, now LED visible light lamp bead 7 is not
It can light.By setting the testing result of LED visible light lamp bead 7 more directly perceived.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (6)
1. a kind of automatic vending machine with sell commodity put in storage detection circuit, it is characterised in that including：
First power supply, first power supply include the first positive source and the first power cathode；
Second source, the second source include second source positive pole and second source negative pole；
Infrared transmitter, the infrared transmitter includes infrared transmitter positive pole pin and infrared transmitter negative pin, described
Infrared transmitter positive pole pin electrically connects with the first positive source, infrared transmitter negative pin and the first power cathode electricity
Connection；
Infrared remote receiver, the infrared remote receiver include infrared remote receiver positive pole pin, infrared remote receiver negative pin and signal
Pin, the infrared remote receiver positive pole pin electrically connect with second source positive pole, the infrared remote receiver negative pin and second
Power cathode electrically connects, and the infrared remote receiver is used to receive the infrared ray from the infrared transmitter；
Signal output electrode, the signal output electrode are electrically connected to the letter of the second source positive pole and the infrared remote receiver
Between number pin；
MCU processors, the MCU processors are connected with the signal output electrode signal.
2. automatic vending machine according to claim 1 with sell commodity put in storage detection circuit, it is characterised in that also include
LED visible light lamp bead, the LED visible light lamp bead are electrically connected between the second source positive pole and the infrared remote receiver.
3. automatic vending machine according to claim 2 with sell commodity put in storage detection circuit, it is characterised in that also include limit
Leakage resistance, the current-limiting resistance are electrically connected between the second source positive pole and the LED visible light lamp bead.
4. automatic vending machine according to claim 1 with sell commodity put in storage detection circuit, it is characterised in that described first
The voltage of power supply is DC3V-DC5V.
5. automatic vending machine according to claim 1 with sell commodity put in storage detection circuit, it is characterised in that described first
The on/off sequential of power supply is 7 to meet make-to-break ratio:10-13:10, the 38KHz modulation electricity that the signal period is 840-1560 μ s
Ordinary mail number.
6. automatic vending machine according to claim 5 with sell commodity put in storage detection circuit, it is characterised in that it is described infrared
The infrared signal that transmitter is outwards launched is consistent with on/off sequential.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721109440.6U CN207198980U (en) | 2017-08-31 | 2017-08-31 | Automatic vending machine with sell commodity put in storage detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721109440.6U CN207198980U (en) | 2017-08-31 | 2017-08-31 | Automatic vending machine with sell commodity put in storage detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207198980U true CN207198980U (en) | 2018-04-06 |
Family
ID=61790393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721109440.6U Active CN207198980U (en) | 2017-08-31 | 2017-08-31 | Automatic vending machine with sell commodity put in storage detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207198980U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108961539A (en) * | 2018-07-12 | 2018-12-07 | 四川虹美智能科技有限公司 | A kind of commodity retention condition checkout gear, method and system |
| CN109427135A (en) * | 2017-08-31 | 2019-03-05 | 惠州市诺坚五金制品有限公司 | Automatic vending machine is put in storage detection circuit and detection method with selling commodity |
| CN110459001A (en) * | 2019-07-31 | 2019-11-15 | 浪潮金融信息技术有限公司 | A kind of echelette inspection pallet piling up method suitable for Self-help vending machine system |
-
2017
- 2017-08-31 CN CN201721109440.6U patent/CN207198980U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109427135A (en) * | 2017-08-31 | 2019-03-05 | 惠州市诺坚五金制品有限公司 | Automatic vending machine is put in storage detection circuit and detection method with selling commodity |
| CN108961539A (en) * | 2018-07-12 | 2018-12-07 | 四川虹美智能科技有限公司 | A kind of commodity retention condition checkout gear, method and system |
| CN110459001A (en) * | 2019-07-31 | 2019-11-15 | 浪潮金融信息技术有限公司 | A kind of echelette inspection pallet piling up method suitable for Self-help vending machine system |
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