Power management and energy-saving optimized scanning reader

Abstract

The utility model relates to the technical field of scanning reader equipment, in particular to a scanning reader with power management and energy conservation optimization. Comprising a power management module, a control module and a reader body, the control module is connected with the power management module, and the reader body provides attachment sites for the power management module and the control module; the power supply management module comprises a power supply chip and a power supply management circuit, the power supply management circuit is connected with a voltage input end of the power supply chip, the control module comprises a programmable logic controller and an analog-to-digital converter, the power supply chip is connected with the programmable logic controller through a data line, and the analog-to-digital converter is connected with the programmable logic controller. The signal output end of the analog-to-digital converter is connected with the programmable logic controller, a paper feeding bin is arranged below the reading machine body, and a photoelectric sensor is installed on the upper surface in the paper feeding bin and connected with the signal input end of the analog-to-digital converter. According to the technical scheme of the utility model, the energy consumption of the scanning reader can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of scanning reader equipment, in particular to a scanning reader with power management and energy-saving optimization. Background Art

[0002] In the prior art, scanning readers have been widely used as a digital document processing tool, especially in computer marking systems, and have become an indispensable part of them. With the advancement of science and technology and the promotion of digitalization, the popularity and use of scanning readers have continued to increase. The use of a large number of scanning readers has also brought energy consumption. The energy-saving optimization of scanning readers can effectively reduce their use costs. At present, most scanning readers use the coordinated use of external power supplies and energy storage batteries. Although some energy-saving measures have been adopted, the battery capacity is still the main factor limiting its use time. Long-term use may require frequent charging and discharging or replacement of energy storage power supplies, which reduces the service life of the energy storage battery and limits its ability to work continuously. While pursuing energy saving, scanning readers need to maintain sufficient performance and functions. In terms of balancing performance and power consumption, there are still some defects. While improving the performance and brightness of scanning readers, it may lead to higher power consumption, and strict power consumption restrictions may affect performance and user experience. At this stage, a scanning reader with power management and energy-saving optimization is needed. Utility Model Content

[0003] In order to solve the problem of energy waste caused by frequent charging and discharging of energy storage batteries in a scanning reader and long-term high-performance work, the utility model provides a scanning reader with optimized power management and energy saving.

[0004] The utility model provides a scanning reader with power management and energy-saving optimization, which adopts the following technical solutions:

[0005] A scanning reader with power management and energy-saving optimization, comprising: a power management module, a control module and a reader body, wherein the control module is connected to the power management module, and the reader body provides attachment sites for the power management module and the control module;

[0006] The power management module includes a power chip and a power management circuit, the power management circuit is connected to the voltage input end of the power chip, the control module includes a programmable logic controller and an analog-to-digital converter, the power chip is connected to the programmable logic controller via a data line, the signal output end of the analog-to-digital converter is connected to the programmable logic controller, a paper feed bin is provided below the reader body, a photoelectric sensor is installed on the upper surface of the paper feed bin, and the photoelectric sensor is connected to the signal input end of the analog-to-digital converter.

[0007] Furthermore, a paper conveying mechanism is provided inside the paper feed bin, a cover plate is installed at the front end of the paper conveying mechanism, a slot is provided below the cover plate, and the cover plate is connected to the bottom of the opening of the paper feed bin through the slot.

[0008] Furthermore, limit plates are provided on the left and right sides of the paper conveying mechanism, and the upper surfaces of the limit plates on the left and right sides are respectively installed with a right limit sensor and a left limit sensor, and the signal output ends of the right limit sensor and the left limit sensor are both connected to the signal input end of the programmable logic controller.

[0009] Furthermore, a horizontal groove is provided at the bottom of the paper transmission mechanism, a fixing card is provided in the horizontal groove, a slider is installed at the bottom of the limiting plate, the slider is located in the horizontal groove and is connected with a fixing bolt, and the fixing bolt is arranged in the middle of the limiting plate and perpendicular to the horizontal groove.

[0010] Furthermore, the power management module also includes a voltage sensor, which is connected to the positive and negative electrodes of the energy storage battery, and the voltage sensor is connected to the programmable logic controller via an analog-to-digital converter.

[0011] Furthermore, the power management circuit includes a power control circuit, and the power control circuit is connected to the power chip via a power switch.

[0012] Furthermore, the power management circuit also includes a battery charge and discharge control circuit, and a current output end of the battery charge and discharge control circuit is connected to an input end of the power control circuit.

[0013] Furthermore, an operation panel is provided above the reader body, and the programmable logic controller and the analog-to-digital converter are installed inside the operation panel.

[0014] Furthermore, a light sensor is installed at the front end of the operation panel, and a signal output pin of the light sensor is connected to a power chip.

[0015] Furthermore, the operation panel is provided with a liquid crystal screen, a brightness adjustment button and a status indication button.

[0016] In summary, the utility model has the following beneficial technical effects:

[0017] 1. The utility model realizes manual and automatic adjustment of the display brightness through a brightness adjustment button and a light sensor, thereby improving the user experience while ensuring energy saving. By reducing the display brightness and optimizing the use of backlight, the overall energy demand of the scanning reader can be effectively reduced, thereby saving energy and reducing the impact on the environment.

[0018] 2. The utility model installs a right limit sensor and a left limit sensor on the limit plate, and detects the boundary of the scanning area. The scanning reader can automatically stop moving when reaching the boundary to avoid invalid scanning, effectively saving energy and reducing machine wear, thereby achieving energy-saving optimization.

[0019] 3. The utility model is connected to a programmable logic controller via a voltage sensor and is provided with a battery charge and discharge control circuit, which effectively manages the energy consumption of the battery, avoids frequent charge and discharge of the battery, and prolongs the service life of the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of a scanning reader with power management and energy-saving optimization according to an embodiment of the utility model.

[0021] Figure 2 This is a main view of a scanning reader with power management and energy-saving optimization in working state according to an embodiment of the utility model.

[0022] Figure 3 It is a schematic diagram of a paper transport mechanism in a scanning reader with power management and energy-saving optimization according to an embodiment of the utility model.

[0023] Figure 4 It is a schematic diagram of the overall connection of a scanning reader with power management and energy-saving optimization in an embodiment of the utility model.

[0024] Figure 5 It is a partial circuit diagram of a power management circuit in a scanning reader with power management and energy-saving optimization according to an embodiment of the utility model.

[0025] Among them, 1. LCD screen; 2. Inspection cover; 3. Adjustment button; 4. Cover plate; 41. Paper input bin 5. Paper output bin; 6. Transmission mechanism; 61. Limit plate; 62. Fixing bolt; 63. Horizontal groove. DETAILED DESCRIPTION

[0026] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0027] Example 1

[0028] A scanning reader with power management and energy saving optimization in this embodiment includes:

[0029] A power management module, a control module and a reader body, wherein the control module is connected to the power management module, and the reader body provides attachment sites for the power management module and the control module;

[0030] The power management module includes a power chip and a power management circuit, the power management circuit is connected to the voltage input end of the power chip, the control module includes a programmable logic controller and an analog-to-digital converter, the power chip is connected to the programmable logic controller via a data line, the signal output end of the analog-to-digital converter is connected to the programmable logic controller, a paper feed bin is provided below the reader body, a photoelectric sensor is installed on the upper surface of the paper feed bin, and the photoelectric sensor is connected to the signal input end of the analog-to-digital converter.

[0031] A paper conveying mechanism is arranged inside the paper feed bin, a cover plate is installed at the front end of the paper conveying mechanism, a slot is arranged below the cover plate, and the cover plate is connected to the bottom of the opening of the paper feed bin through the slot.

[0032] Limit plates are provided on the left and right sides of the paper conveying mechanism, and the upper surfaces of the limit plates on the left and right sides are respectively installed with a right limit sensor and a left limit sensor, and the signal output ends of the right limit sensor and the left limit sensor are both connected to the signal input end of the programmable logic controller.

[0033] A horizontal groove is provided at the bottom of the paper transmission mechanism, a fixing card is provided in the horizontal groove, a slider is installed at the bottom of the limiting plate, the slider is located in the horizontal groove and is connected with a fixing bolt, and the fixing bolt is arranged in the middle of the limiting plate and perpendicular to the horizontal groove.

[0034] The power management module also includes a voltage sensor, which is connected to the positive and negative electrodes of the energy storage battery. The voltage sensor is connected to the programmable logic controller via an analog-to-digital converter.

[0035] The power management circuit includes a power control circuit, and the power control circuit is connected to a power chip through a power switch.

[0036] The power management circuit also includes a battery charge and discharge control circuit, and a current output end of the battery charge and discharge control circuit is connected to an input end of the power control circuit.

[0037] An operation panel is arranged above the reader body, and the programmable logic controller and the analog-to-digital converter are installed inside the operation panel.

[0038] A light sensor is installed at the front end of the operation panel, and a signal output pin of the light sensor is connected to a power chip.

[0039] The operation panel is provided with a liquid crystal screen, a brightness adjustment button and a status indication button.

[0040] Specifically,

[0041] A scanning reader with power management and energy saving optimization in this embodiment includes the following contents:

[0042] like Figure 1 As shown, it shows the state of the scanning reader when it is not working. A cover plate 4 is provided outside the paper feed bin. The cover plate is connected to the bottom of the opening of the paper feed bin through a slot to prevent impurities from entering and affecting the normal operation of the scanning reader and reduce the probability of paper jams. A paper output bin 5 is provided above the cover plate. An inspection cover 2 is provided at the top of the scanning reader. After opening the inspection cover 2, the interior of the scanning reader can be maintained. The scanning reader also includes an operation panel. An adjustment button 3 and a liquid crystal screen 1 are provided in the panel. The adjustment button 3 is used to manually adjust the display brightness of the scanning reader. The internal control adjustment winding realizes the control of the output power. The combination of automatic and manual methods can improve the user experience.

[0043] like Figure 2 As shown in FIG. 1 , it is a front view of the scanning reader in working state. The cover 4 is opened, and inside is a paper feed bin 41. A transmission mechanism 6 is provided inside the paper feed bin 41 for transmitting paper. Figure 3 As shown, it is a schematic diagram of the specific structure of the transmission mechanism 6, wherein limit plates 61 are provided on the left and right sides of the paper transmission mechanism, and the upper surfaces of the limit plates 61 on the left and right sides are respectively installed with right limit sensors and left limit sensors, and the signal output ends of the right limit sensor and the left limit sensor are connected to the signal input end of the programmable logic controller, and a horizontal groove 63 is provided at the bottom of the paper transmission mechanism, and a fixing card is provided in the horizontal groove, and a slider is installed at the bottom of the limit plate, and the slider is located in the horizontal groove 63 and is connected with a fixing bolt 62, and the fixing bolt 62 is arranged in the middle of the limit plate and is perpendicular to the horizontal groove 63. Before the scanning reader works, the spacing between the limit plates is adjusted, and the bolts are tightened to fix them with the fixing cards inside the horizontal groove.

[0044] like Figure 4 As shown, the mechanical system is driven by the control module and the power management module, the voltage sensor is connected to the energy storage battery, the power of the energy storage battery is detected, and the power feedback information of the energy storage battery is sent to the controller in the form of an analog signal through the digital-to-analog converter, the external power supply is connected to the energy storage battery through the battery charge and discharge control circuit, when the scanning reader is connected to the external power supply, the mechanical system is powered by the external power supply connected to the battery charge and discharge control circuit, and the energy storage battery is powered when the external power supply is disconnected, the current output end of the battery charge and discharge control circuit is connected to the input end of the power control circuit, the power of the entire power management module is regulated, and a dual power supply mode is realized, the battery charge and discharge threshold is set in advance in the controller, charging is performed when it is lower than the threshold, and charging is suspended when it is higher than the set threshold, the programmable logic controller and the power chip control the charging process, and the charging speed and mode are adjusted according to the current state of the battery and the set conditions. It can prevent overcharging and over-discharging and extend the battery life.

[0045] like Figure 5 As shown, it is a partial circuit diagram of the power management circuit. Other undescribed parts are prior art. The utility model will not be described in detail. It includes a power control circuit that realizes power control by connecting a power switch through a power chip. In the battery charge and discharge control circuit, Q1 / Q2 is a P-MOS, which serves as a switch valve for two power supplies. Q3 is an N-MOS, which is used to control Q2. The G pin of Q1 is pulled down to a low potential through R4, and D / S is turned on. R5 pulls up the G pin of Q2, and Q2 is cut off, and the battery supplies power. When the external power supply V_BUS is turned on, the G in Q1 is a high potential, D / S is cut off, and the battery stops supplying power. Q3 is turned on, and the G pin of Q2 is pulled down to a low potential, and Q2 is turned on, thereby realizing the switching of the battery circuit. Before the scanning reader works, adjust the backlight brightness of the scanning reader and set it to an appropriate brightness level. The reasonable use of the charging function through this technical solution can extend the battery life and reduce energy waste.

[0046] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A scanning reader with power management and energy saving optimization, characterized in that: It includes a power management module, a control module and a reader body, wherein the control module is connected to the power management module, and the reader body provides attachment sites for the power management module and the control module; The power management module includes a power chip and a power management circuit, the power management circuit is connected to the voltage input end of the power chip, the control module includes a programmable logic controller and an analog-to-digital converter, the power chip is connected to the programmable logic controller via a data line, the signal output end of the analog-to-digital converter is connected to the programmable logic controller, a paper feed bin is provided below the reader body, a photoelectric sensor is installed on the upper surface of the paper feed bin, and the photoelectric sensor is connected to the signal input end of the analog-to-digital converter.

2. A scanning reader with power management and energy saving optimization according to claim 1, characterized in that: A paper conveying mechanism is arranged inside the paper feed bin, a cover plate is installed at the front end of the paper conveying mechanism, a slot is arranged below the cover plate, and the cover plate is connected to the bottom of the opening of the paper feed bin through the slot.

3. A scanning reader with power management and energy saving optimization according to claim 2, characterized in that: Limit plates are provided on the left and right sides of the paper conveying mechanism, and the upper surfaces of the limit plates on the left and right sides are respectively installed with a right limit sensor and a left limit sensor, and the signal output ends of the right limit sensor and the left limit sensor are both connected to the signal input end of the programmable logic controller.

4. A scanning reader with power management and energy saving optimization according to claim 3, characterized in that: A horizontal groove is provided at the bottom of the paper transmission mechanism, a fixing card is provided in the horizontal groove, a slider is installed at the bottom of the limiting plate, the slider is located in the horizontal groove and is connected with a fixing bolt, and the fixing bolt is arranged in the middle of the limiting plate and perpendicular to the horizontal groove.

5. A scanning reader with power management and energy saving optimization according to claim 1, characterized in that: The power management module also includes a voltage sensor, which is connected to the positive and negative electrodes of the energy storage battery. The voltage sensor is connected to the programmable logic controller via an analog-to-digital converter.

6. A scanning reader with power management and energy saving optimization according to claim 5, characterized in that: The power management circuit includes a power control circuit, and the power control circuit is connected to a power chip through a power switch.

7. A scanning reader with power management and energy saving optimization according to claim 6, characterized in that: The power management circuit also includes a battery charge and discharge control circuit, and a current output end of the battery charge and discharge control circuit is connected to an input end of the power control circuit.

8. A scanning reader with power management and energy saving optimization according to claim 1, characterized in that: An operation panel is arranged above the reader body, and the programmable logic controller and the analog-to-digital converter are installed inside the operation panel.

9. A scanning reader with power management and energy saving optimization according to claim 8, characterized in that: A light sensor is installed at the front end of the operation panel, and a signal output pin of the light sensor is connected to a power chip.

10. A scanning reader with power management and energy saving optimization according to claim 9, characterized in that: The operation panel is provided with a liquid crystal screen, a brightness adjustment button and a status indication button.

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