CN204788618U - Energy -conserving electronic price computing scale display circuit - Google Patents
Energy -conserving electronic price computing scale display circuit Download PDFInfo
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- CN204788618U CN204788618U CN201520453735.XU CN201520453735U CN204788618U CN 204788618 U CN204788618 U CN 204788618U CN 201520453735 U CN201520453735 U CN 201520453735U CN 204788618 U CN204788618 U CN 204788618U
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Abstract
The utility model discloses an energy -conserving electronic price computing scale display circuit, show the circuit including 2V voltage lead -acid batteries, data acquisition data processing the control unit, boost circuit, display driver circuit, LED power in a poor light and 2-3V LEDLCD screen display, 2V voltage lead -acid batteries direct to the data acquisition data processing the control unit power supply, 2V voltage lead -acid batteries pass through boost circuit to display driver circuit, 2-3V LEDLCD screen display show circuit and LED mains operated in a poor light. The utility model discloses an adopt 2V voltage lead -acid batteries as power supply, required minimum driving voltage distinguishes with the electronic scale circuit, to the circuit that needs 2V voltage driving in the electronic scale circuit, adopts 2V voltage lead -acid batteries direct power feeding, to the circuit that needs 3V voltage driving in the electronic scale circuit, adopts and steps up the back to its power supply through increasing boost circuit, and thereby, the purpose of energy saving is achieved.
Description
Technical field
The utility model relates to a kind of electronic price computing scale, particularly relates to a kind of energy-saving electric balance display circuit.
Background technology
Electronic price computing scale adopts 4V lead-acid battery as power supply usually, Fig. 1 is the schematic diagram of a kind of electronic price computing scale display circuit of prior art, this electronic price computing scale display circuit comprises 4V lead-acid battery 101, data collection data processing and control element (PCE) 102, display driver circuit 103, LED-backlit power supply 104 and LED/LCD and shields display circuit 105, and its circuit structure is that 4V lead-acid battery 101 is powered directly to data collection data processing and control element (PCE) 102, display driver circuit 103, LED-backlit power supply 104 and LED/LCD screen display circuit 105.Fig. 2 is the schematic diagram of the another kind of electronic price computing scale display circuit of prior art, this electronic price computing scale display circuit also comprises mu balanced circuit 106, its circuit structure is that 4V lead-acid battery 101 is powered directly to data collection data processing and control element (PCE) 102, and 4V lead-acid battery 101 shields display circuit 105 by mu balanced circuit 106 to display driver circuit 103, LED-backlit power supply 104 and LED/LCD powers.Like this, the voltage that data collection data processing and control element (PCE) 102, LED-backlit power supply 104 and LED/LCD display screen 105 use is all at 3V-4V, and use voltage higher, power consumption is higher, and 4V lead-acid battery cost is also higher simultaneously.
Utility model content
The purpose of this utility model is the deficiency overcoming prior art, a kind of energy-saving electric balance display circuit is provided, adopt 2V voltage lead-acid battery as power supply, minimum drive voltage needed for electronic scale circuit is distinguished, for the circuit needing 2V voltage driven in electronic scale circuit, adopt 2V voltage lead-acid battery directly to power, for the circuit needing 3V voltage driven in electronic scale circuit, adopt and after increasing booster circuit boosting, it is powered; Thus reach energy-conservation object.
The utility model solves the technical scheme that its technical matters adopts: a kind of energy-saving electric balance display circuit, comprises 2V voltage lead-acid battery, data collection data processing and control element (PCE), booster circuit, display driver circuit, LED-backlit power supply and 2 ~ 3VLED/LCD and shields display circuit; The output of described data collection data processing and control element (PCE) is connected to display driver circuit; Described 2V voltage lead-acid battery is powered directly to described data collection data processing and control element (PCE); Described 2V voltage lead-acid battery shields display circuit and LED-backlit Power supply by booster circuit to described display driver circuit, 2 ~ 3VLED/LCD.
A kind of energy-saving electric balance display circuit of the present utility model, for electronic scale circuit analysis, driving voltage needed for data collection data processing and control element (PCE) is 2V, the driving voltage of the driving voltage of display driver circuit, LED-backlit power supply, LED/LCD display screen is all 2 ~ 3V, the utility model adopts 2V lead-acid battery to be power supply, directly for data collection data processing and control element (PCE) provides power supply, shielding display circuit by booster circuit to display driver circuit, LED-backlit power supply and 2 ~ 3VLED/LCD provides power supply.
Compared with prior art, the beneficial effects of the utility model are:
Electronic scales display circuit of the present utility model is powered to display circuit after adopting 2V battery booster, and general 4V battery electron scale circuit, be adopt mu balanced circuit or 4V battery directly to power to display circuit.Visible, what the utility model electronic scale circuit adopted is lower voltage feed circuit, has the advantage that lead-acid battery cost is low and energy consumption is low.
Below in conjunction with drawings and Examples, the utility model is described in further detail; But a kind of energy-saving electric balance display circuit of the present utility model is not limited to embodiment.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of electronic price computing scale display circuit of prior art;
Fig. 2 is the schematic diagram of the another kind of electronic price computing scale display circuit of prior art;
Fig. 3 is embodiment schematic diagram of the present utility model.
Embodiment
Embodiment
Shown in Figure 3, a kind of energy-saving electric balance display circuit of the present utility model, comprises 2V voltage lead-acid battery 11, data collection data processing and control element (PCE) 12, booster circuit 13, display driver circuit 14, LED-backlit power supply 15 and 2 ~ 3VLED/LCD and shields display circuit 16; The output of described data collection data processing and control element (PCE) 12 is connected to display driver circuit 14; Described 2V voltage lead-acid battery 11 is powered directly to described data collection data processing and control element (PCE) 12; Described 2V voltage lead-acid battery 11 is powered to described display driver circuit 14,2 ~ 3VLED/LCD screen display circuit 16 and LED-backlit power supply 15 by booster circuit 13.
A kind of energy-saving electric balance display circuit of the present utility model, for electronic scale circuit analysis, driving voltage needed for data collection data processing and control element (PCE) 11 is 2V, the driving voltage of the driving voltage of display driver circuit 14, LED-backlit power supply 15, LED/LCD display screen 16 is all 2 ~ 3V, the utility model adopts 2V lead-acid battery 11 to be power supply, directly for data collection data processing and control element (PCE) 12 provides power supply, shielding display circuit 16 by booster circuit 13 to display driver circuit 14, LED-backlit power supply 15 and 2 ~ 3VLED/LCD provides power supply.
Electronic scales display circuit of the present utility model is powered to display circuit after adopting 2V battery booster, and general 4V battery electron scale circuit, be adopt mu balanced circuit or 4V battery directly to power to display circuit.Visible, what the utility model electronic scale circuit adopted is lower voltage feed circuit, has the advantage that lead-acid battery cost is low and energy consumption is low.
Above-mentioned just preferred embodiment of the present utility model, not does any pro forma restriction to the utility model.Although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model.Any those of ordinary skill in the art, when not departing from technical solutions of the utility model scope, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solutions of the utility model, or be revised as equivalents Equivalent embodiments.Therefore, every content not departing from technical solutions of the utility model, according to the utility model technical spirit to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solutions of the utility model protection.
Claims (1)
1. an energy-saving electric balance display circuit, is characterized in that: comprise 2V voltage lead-acid battery, data collection data processing and control element (PCE), booster circuit, display driver circuit, LED-backlit power supply and 2 ~ 3VLED/LCD and shield display circuit; The output of described data collection data processing and control element (PCE) is connected to display driver circuit; Described 2V voltage lead-acid battery is powered directly to described data collection data processing and control element (PCE); Described 2V voltage lead-acid battery shields display circuit and LED-backlit Power supply by booster circuit to described display driver circuit, 2 ~ 3VLED/LCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520453735.XU CN204788618U (en) | 2015-06-29 | 2015-06-29 | Energy -conserving electronic price computing scale display circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520453735.XU CN204788618U (en) | 2015-06-29 | 2015-06-29 | Energy -conserving electronic price computing scale display circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204788618U true CN204788618U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520453735.XU Active CN204788618U (en) | 2015-06-29 | 2015-06-29 | Energy -conserving electronic price computing scale display circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204788618U (en) |
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2015
- 2015-06-29 CN CN201520453735.XU patent/CN204788618U/en active Active
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