CN203596020U - Electronic shelf label system and power regulation circuit thereof - Google Patents
Electronic shelf label system and power regulation circuit thereof Download PDFInfo
- Publication number
- CN203596020U CN203596020U CN201320778041.4U CN201320778041U CN203596020U CN 203596020 U CN203596020 U CN 203596020U CN 201320778041 U CN201320778041 U CN 201320778041U CN 203596020 U CN203596020 U CN 203596020U
- Authority
- CN
- China
- Prior art keywords
- switching tube
- shelf label
- electronic shelf
- electronic
- resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model is applied to electronic circuit design, and provides an electronic shelf label system and a power regulation circuit thereof. In the electronic shelf label system and the power regulation circuit, the intensity of the ambient light is identified by a sensing circuit, and in accordance with the identified result, whether an electronic shelf label in the system is at work or not is controlled by control of the on or off of a switch tube. For instance, by setting a reasonable light intensity threshold, the electronic shelf label is enabled to work automatically during the day and automatically stop working at night, so that the effective working time of the electronic shelf label is extended and inconvenience brought by frequent battery replacement or recharging is avoided.
Description
Technical field
The utility model belongs to electronic circuit design field, relates in particular to a kind of electronic bin tag system and power conditioning circuitry thereof.
Background technology
Electronic shelf label be a kind ofly placed on shelf, the electronic display unit of alternative traditionally on paper price tag.In the electronic bin tag system being formed by some electronic shelf labels, each electronic shelf label is connected with market Computer Database by wired or wireless network, and up-to-date commodity price is shown by the display screen on electronic shelf label (as black and white LCD display, segment code type LCD display etc.).
But in the electronic bin tag system providing in prior art, after system powers on, each electronic shelf label is just in running order constantly, that is to say, has constantly power consumption.And most electronic shelf label adopts button cell, battery electric quantity is limited, thereby makes the operational use time of electronic shelf label shorter, need change frequently battery or is battery charging, uses inconvenience.
Utility model content
The purpose of this utility model is to provide a kind of power conditioning circuitry of electronic bin tag system, be intended to solve existing electronic bin tag system after powering on, each electronic shelf label is worked and consumed power constantly, makes the operational use time of electronic shelf label shorter, inconvenient problem with use.
The utility model is to realize like this, a kind of power conditioning circuitry of electronic bin tag system, described power conditioning circuitry comprises the photosensitive circuit of environment-identification intensity of illumination, connect the amplifying circuit of described photosensitive circuit output terminal, and be connected between described amplifying circuit and electronic shelf label network, control electronic shelf label work whether controller in described electronic shelf label network according to the output of described amplifying circuit, described amplifying circuit comprises resistance R 1, resistance R 2, switching tube;
The input end of described switching tube connects direct current by described resistance R 2, the output head grounding of described switching tube, and the control end of described switching tube connects described photosensitive circuit output terminal by described resistance R 1, and the input end of described switching tube connects described controller simultaneously.
In one case, described switching tube can be the triode Q1 of NPN type, the collector of described triode Q1 is as the input end of described switching tube, and the emitter of described triode Q1 is as the output terminal of described switching tube, and the base stage of described triode Q1 is as the control end of described switching tube.
In another case, described switching tube can be the metal-oxide-semiconductor Q2 of N raceway groove, the drain electrode of described metal-oxide-semiconductor Q2 is as the input end of described switching tube, and the source electrode of described metal-oxide-semiconductor Q2 is as the output terminal of described switching tube, and the grid of described metal-oxide-semiconductor Q2 is as the control end of described switching tube.
In above-mentioned power conditioning circuitry, described photosensitive circuit can comprise resistance R 3 and phototriode; The collector of described phototriode connects direct current by obtaining resistance R 3, obtains the grounded emitter of phototriode, and the collector of described phototriode is as described photosensitive circuit output terminal.
Now, described electronic shelf label network can comprise at least one electronic shelf label, between each electronic shelf label and between described electronic shelf label and described controller, is connected by cable network or wireless network.
Another object of the present utility model is, a kind of electronic bin tag system is also provided, comprise electronic shelf label network, described electronic bin tag system also comprises power conditioning circuitry, described power conditioning circuitry comprises the photosensitive circuit of environment-identification intensity of illumination, connect the amplifying circuit of described photosensitive circuit output terminal, and be connected between described amplifying circuit and described electronic shelf label network, control electronic shelf label work whether controller in described electronic shelf label network according to the output of described amplifying circuit, described amplifying circuit comprises resistance R 1, resistance R 2, switching tube,
The input end of described switching tube connects direct current by described resistance R 2, the output head grounding of described switching tube, and the control end of described switching tube connects described photosensitive circuit output terminal by described resistance R 1, and the input end of described switching tube connects described controller simultaneously.
In one case, described switching tube can be the triode Q1 of NPN type, the collector of described triode Q1 is as the input end of described switching tube, and the emitter of described triode Q1 is as the output terminal of described switching tube, and the base stage of described triode Q1 is as the control end of described switching tube.
In another case, described switching tube can be the metal-oxide-semiconductor Q2 of N raceway groove, the drain electrode of described metal-oxide-semiconductor Q2 is as the input end of described switching tube, and the source electrode of described metal-oxide-semiconductor Q2 is as the output terminal of described switching tube, and the grid of described metal-oxide-semiconductor Q2 is as the control end of described switching tube.
In above-mentioned electronic bin tag system, described photosensitive circuit can comprise resistance R 3 and phototriode; The collector of described phototriode connects direct current by obtaining resistance R 3, obtains the grounded emitter of phototriode, and the collector of described phototriode is as described photosensitive circuit output terminal.
Now, described electronic shelf label network can comprise at least one electronic shelf label, between each electronic shelf label and between described electronic shelf label and described controller, is connected by cable network or wireless network.
In the electronic bin tag system and power conditioning circuitry thereof the utility model proposes, utilize photosensitive circuit environment-identification intensity of illumination, and according to recognition result, by conducting or the cut-off of gauge tap pipe, realize electronic shelf label work whether control in system, for example, by intensity of illumination threshold value is rationally set, can realize electronic shelf label automatic operation and automatically quitting work at night by day, thereby the operational use time of electronic shelf label is extended, avoided frequent replacing battery or be the battery inconvenience bringing of charging.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the power conditioning circuitry of the electronic bin tag system that provides of the utility model the first embodiment;
Fig. 2 is the circuit diagram of the power conditioning circuitry of the electronic bin tag system that provides of the utility model the second embodiment;
Fig. 3 is the circuit diagram of the power conditioning circuitry of the electronic bin tag system that provides of the utility model the 3rd embodiment;
Fig. 4 is the circuit diagram of the power conditioning circuitry of the electronic bin tag system that provides of the utility model the 4th embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The problem existing for existing electronic bin tag system, the utility model proposes a kind of power conditioning circuitry that is applied to electronic bin tag system.This circuit utilizes photosensitive circuit environment-identification intensity of illumination, and according to recognition result, by conducting or the cut-off of gauge tap pipe, realizes electronic shelf label work whether control in system.
Fig. 1 shows the circuit of the power conditioning circuitry of the electronic bin tag system that the utility model the first embodiment provides, and for convenience of explanation, only shows the part relevant to the utility model the first embodiment.
Specifically, the comprising of the circuit of the power conditioning circuitry of this electronic bin tag system: photosensitive circuit 1, for environment-identification intensity of illumination; Connect the amplifying circuit 2 of photosensitive circuit 1 output terminal, for according to the recognition result of photosensitive circuit 1, export high level or low level signal; Be connected to the controller 3 between amplifying circuit 2 and electronic shelf label network, for according to the output of amplifying circuit 2, whether control the work of electronic shelf label in electronic shelf label network.
Wherein, discharge circuit 2 comprises; Resistance R 1, resistance R 2, switching tube 21.The input end of switching tube 21 connects direct current VCC by resistance R 2, the output head grounding of switching tube 21, and the control end of switching tube 21 connects photosensitive circuit 1 output terminal by resistance R 1, and the input end of switching tube 21 connects controller 2 simultaneously.
The principle of work of the circuit of the power conditioning circuitry of this electronic bin tag system is; In the time that ambient lighting intensity is less than default threshold value, the dark current of photosensitive circuit 1 is very little, very little in the pressure drop at resistance R 1 two ends, and switching tube 21 is due to very little cut-off of voltage of control end, and the input end of switching tube 21 is exported high level to controller 3; In the time that ambient lighting intensity reaches default threshold value, the dark current of photosensitive circuit 1 increases, and increases in the pressure drop at resistance R 1 two ends, and at switching tube 21, due to the continuous increase of the voltage of control end when conducting, the input end of switching tube 21 is to controller 3 output low levels.The high level that controller 3 is exported according to amplifying circuit 2 or low level, whether the work of the electronic shelf label in control electronic shelf label network, particularly, in the time that controller 3 receives the high level that amplifying circuit 2 exports, the electronic shelf label of controlling in electronic shelf label network quits work, and in the time that controller 3 receives the low level that amplifying circuit 2 exports, the electronic shelf label of controlling in electronic shelf label network is started working.Threshold value wherein can change by the resistance of adjusting R1, and preferably, threshold value is 100lux.
Fig. 2 shows the circuit of the power conditioning circuitry of the electronic bin tag system that the utility model the second embodiment provides, and for convenience of explanation, only shows the part relevant to the utility model the second embodiment.Different from the first embodiment, the second embodiment has carried out refinement to switching tube 21.
Specifically, in the second embodiment, switching tube 21 is the triode Q1 of NPN type, and the collector of triode Q1 is as the input end of switching tube 21, and the emitter of triode Q1 is as the output terminal of switching tube 21, and the base stage of triode Q1 is as the control end of switching tube 21.
Fig. 3 shows the circuit of the power conditioning circuitry of the electronic bin tag system that the utility model the 3rd embodiment provides, and for convenience of explanation, only shows the part relevant to the utility model the 3rd embodiment.Different from the first embodiment, the 3rd embodiment has carried out refinement to switching tube 21.
Specifically, in the 3rd embodiment, switching tube 21 is the metal-oxide-semiconductor Q2 of N raceway groove, and the drain electrode of metal-oxide-semiconductor Q2 is as the input end of switching tube 21, and the source electrode of metal-oxide-semiconductor Q2 is as the output terminal of switching tube 21, and the grid of metal-oxide-semiconductor Q2 is as the control end of switching tube 21.
Fig. 4 shows the circuit of the power conditioning circuitry of the electronic bin tag system that the utility model the 4th embodiment provides, and for convenience of explanation, only shows the part relevant to the utility model the 4th embodiment.Different from the first embodiment to the three embodiment, the 4th embodiment has carried out refinement to photosensitive circuit 1.
Specifically, photosensitive circuit 1 comprises: resistance R 3 and phototriode BG.The collector of phototriode BG connects direct current VCC by resistance R 3, the grounded emitter of phototriode BG, and the collector of phototriode BG is as photosensitive circuit 1 output terminal.Now, by the resistance of adjusting resistance R3 and resistance R 1, can realize the change of threshold value.
The utility model the 5th embodiment also provide a kind of electronic bin tag system, comprises electronic shelf label network and the as above power conditioning circuitry described in the arbitrary embodiment of the first embodiment to the four embodiment.Electronic shelf label network wherein comprises at least one electronic shelf label, between each electronic shelf label and between electronic shelf label and controller 3, can be connected by cable network or wireless network.
In sum, in the electronic bin tag system and power conditioning circuitry thereof the utility model proposes, utilize photosensitive circuit environment-identification intensity of illumination, and according to recognition result, by conducting or the cut-off of gauge tap pipe, realize electronic shelf label work whether control in system, for example, by intensity of illumination threshold value is rationally set, can realize electronic shelf label automatic operation and automatically quitting work at night by day, thereby extended the operational use time of electronic shelf label, avoid frequent replacing battery or be the battery inconvenience bringing of charging.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. the power conditioning circuitry of an electronic bin tag system, it is characterized in that, described power conditioning circuitry comprises the photosensitive circuit of environment-identification intensity of illumination, connect the amplifying circuit of described photosensitive circuit output terminal, and be connected between described amplifying circuit and electronic shelf label network, control electronic shelf label work whether controller in described electronic shelf label network according to the output of described amplifying circuit, described amplifying circuit comprises resistance R 1, resistance R 2, switching tube;
The input end of described switching tube connects direct current by described resistance R 2, the output head grounding of described switching tube, and the control end of described switching tube connects described photosensitive circuit output terminal by described resistance R 1, and the input end of described switching tube connects described controller simultaneously.
2. the power conditioning circuitry of electronic bin tag system as claimed in claim 1, it is characterized in that, described switching tube is the triode Q1 of NPN type, the collector of described triode Q1 is as the input end of described switching tube, the emitter of described triode Q1 is as the output terminal of described switching tube, and the base stage of described triode Q1 is as the control end of described switching tube.
3. the power conditioning circuitry of electronic bin tag system as claimed in claim 1, it is characterized in that, described switching tube is the metal-oxide-semiconductor Q2 of N raceway groove, the drain electrode of described metal-oxide-semiconductor Q2 is as the input end of described switching tube, the source electrode of described metal-oxide-semiconductor Q2 is as the output terminal of described switching tube, and the grid of described metal-oxide-semiconductor Q2 is as the control end of described switching tube.
4. the power conditioning circuitry of the electronic bin tag system as described in claims 1 to 3 any one, is characterized in that, described photosensitive circuit comprises resistance R 3 and phototriode;
The collector of described phototriode connects direct current by obtaining resistance R 3, obtains the grounded emitter of phototriode, and the collector of described phototriode is as described photosensitive circuit output terminal.
5. the power conditioning circuitry of electronic bin tag system as claimed in claim 4, it is characterized in that, described electronic shelf label network comprises at least one electronic shelf label, between each electronic shelf label and between described electronic shelf label and described controller, is connected by cable network or wireless network.
6. an electronic bin tag system, comprise electronic shelf label network, it is characterized in that, described electronic bin tag system also comprises power conditioning circuitry, described power conditioning circuitry comprises the photosensitive circuit of environment-identification intensity of illumination, connect the amplifying circuit of described photosensitive circuit output terminal, and be connected between described amplifying circuit and described electronic shelf label network, control electronic shelf label work whether controller in described electronic shelf label network according to the output of described amplifying circuit, described amplifying circuit comprises resistance R 1, resistance R 2, switching tube,
The input end of described switching tube connects direct current by described resistance R 2, the output head grounding of described switching tube, and the control end of described switching tube connects described photosensitive circuit output terminal by described resistance R 1, and the input end of described switching tube connects described controller simultaneously.
7. electronic bin tag system as claimed in claim 6, it is characterized in that, described switching tube is the triode Q1 of NPN type, the collector of described triode Q1 is as the input end of described switching tube, the emitter of described triode Q1 is as the output terminal of described switching tube, and the base stage of described triode Q1 is as the control end of described switching tube.
8. electronic bin tag system as claimed in claim 6, it is characterized in that, described switching tube is the metal-oxide-semiconductor Q2 of N raceway groove, the drain electrode of described metal-oxide-semiconductor Q2 is as the input end of described switching tube, the source electrode of described metal-oxide-semiconductor Q2 is as the output terminal of described switching tube, and the grid of described metal-oxide-semiconductor Q2 is as the control end of described switching tube.
9. the electronic bin tag system as described in claim 6 to 8 any one, is characterized in that, described photosensitive circuit comprises resistance R 3 and phototriode;
The collector of described phototriode connects direct current by obtaining resistance R 3, obtains the grounded emitter of phototriode, and the collector of described phototriode is as described photosensitive circuit output terminal.
10. electronic bin tag system as claimed in claim 9, it is characterized in that, described electronic shelf label network comprises at least one electronic shelf label, between each electronic shelf label and between described electronic shelf label and described controller, is connected by cable network or wireless network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320778041.4U CN203596020U (en) | 2013-11-29 | 2013-11-29 | Electronic shelf label system and power regulation circuit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320778041.4U CN203596020U (en) | 2013-11-29 | 2013-11-29 | Electronic shelf label system and power regulation circuit thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203596020U true CN203596020U (en) | 2014-05-14 |
Family
ID=50676887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320778041.4U Expired - Fee Related CN203596020U (en) | 2013-11-29 | 2013-11-29 | Electronic shelf label system and power regulation circuit thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203596020U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111261103A (en) * | 2020-03-12 | 2020-06-09 | 深圳市华星光电半导体显示技术有限公司 | Display device |
| CN113379020A (en) * | 2021-07-08 | 2021-09-10 | 凌矽电子科技(东莞)有限公司 | Battery-free electronic price tag system control device and method |
-
2013
- 2013-11-29 CN CN201320778041.4U patent/CN203596020U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111261103A (en) * | 2020-03-12 | 2020-06-09 | 深圳市华星光电半导体显示技术有限公司 | Display device |
| CN113379020A (en) * | 2021-07-08 | 2021-09-10 | 凌矽电子科技(东莞)有限公司 | Battery-free electronic price tag system control device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103384436B (en) | LED-backlit constant-current circuit | |
| CN103401209A (en) | LED (light emitting diode) backlight short-circuit protection circuit | |
| CN203596020U (en) | Electronic shelf label system and power regulation circuit thereof | |
| CN105822578A (en) | Multi-mode fan control circuit, cooling device and electronic equipment | |
| CN202310206U (en) | Control circuit of ultra-low-power single wire power supply touch switch | |
| CN210780130U (en) | Power-off control circuit | |
| CN104302036A (en) | Light emitting control circuit | |
| CN209845375U (en) | Output current control circuit for LED driver | |
| CN204733182U (en) | The router that a kind of indicator light brightness is adjustable | |
| CN203352860U (en) | Intelligent identification power supply during power grid blackout or artificial-switching power-off | |
| CN203563231U (en) | A light emitting diode aisle lighting lamp | |
| CN203704250U (en) | Convection type heating air-conditioner controller | |
| CN101431849B (en) | Time delay switch of energy-saving lamp | |
| CN209134063U (en) | One power circuit of multiselect and power supervisor for low-power dissipation system with priority | |
| CN204408665U (en) | Based on control circuit and the appliance working of ambient light line traffic control appliance working switch | |
| CN102868795B (en) | A kind of have the mobile terminal controlling key-press backlight function | |
| CN104202868A (en) | Control circuit for controlling on and off of working electric appliance based on outside light and working electric appliance | |
| CN219498950U (en) | Battery low voltage protection circuit and PCB board | |
| CN203523110U (en) | Indicating lamp brightness control circuit and electronic equipment thereof | |
| CN218213842U (en) | Key awakening circuit applied to frame circuit breaker | |
| CN204479727U (en) | A kind of electronic product with NFC function | |
| CN203587758U (en) | Test device of intelligent power module | |
| CN203164863U (en) | Automatic switching device of high-voltage low-voltage input | |
| CN220022612U (en) | Switching circuit of low-power consumption standby power supply | |
| CN217270926U (en) | Fan control circuit suitable for touch induction control motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140514 Termination date: 20181129 |