CN114583777A - Printer device with power supply function and printer power supply method - Google Patents
Printer device with power supply function and printer power supply method Download PDFInfo
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- CN114583777A CN114583777A CN202111564138.0A CN202111564138A CN114583777A CN 114583777 A CN114583777 A CN 114583777A CN 202111564138 A CN202111564138 A CN 202111564138A CN 114583777 A CN114583777 A CN 114583777A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000012806 monitoring device Methods 0.000 claims abstract description 27
- 238000012544 monitoring process Methods 0.000 claims description 28
- 238000007599 discharging Methods 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
- B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/443—Methods for charging or discharging in response to temperature
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/00714—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
- H02J7/007194—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provides a printer apparatus with a power supply function, including: a printing device; the power supply device is connected with the printing device and used for supplying power to the printing device and the external equipment or charging the external equipment; the monitoring device is connected with the power supply device and used for acquiring the actual value of a preset parameter of the power supply device in real time, wherein the preset parameter is related to the battery capacity; and the control device is connected with the monitoring device and the power supply device and used for comparing the actual value of the preset parameter with the preset threshold value of the preset parameter and switching the power supply device to be in a power supply state or a power receiving state according to the comparison result, and the control device is also used for calculating the battery capacity of the power supply device according to the actual value of the preset parameter and dynamically adjusting the power supply parameter or the charging parameter of the power supply device according to the battery capacity. The application also relates to a printer power supply method with the power supply function.
Description
Technical Field
The invention relates to the technical field of printer equipment, in particular to printer equipment with a power supply function and a printer power supply method.
Background
The portable inkless printer has the advantages of being convenient to carry and capable of printing at any time, and more people select to use the portable inkless printer for working. The portable inkless printer is provided with a battery therein for supplying power to the motor for rotation, heating, etc. during printing.
People can carry more and more electronic equipment with oneself now, and multiple electronic equipment need charge alone respectively, can't provide help constantly in emergency, for example portable inkless printer among the prior art only allows to charge, can't charge for other electronic equipment, and the practicality is not enough.
Disclosure of Invention
In view of the above, it is necessary to provide a printer device with a power supply function and a printer power supply method to solve the problem that other electronic devices cannot be charged, which results in low practicability and added value.
The application provides a printer device with power supply function, has the function for external equipment power supply, includes: a printing device; the power supply device is connected with the printing device and used for supplying power to the printing device and the external equipment or being charged by the external equipment; the monitoring device is connected with the power supply device and used for acquiring the actual value of a preset parameter of the power supply device in real time, wherein the preset parameter is related to the battery capacity; and the control device is connected with the monitoring device and the power supply device and used for comparing the actual value of the preset parameter with the preset threshold value of the preset parameter and switching the power supply device to be in a power supply state or a power receiving state according to the comparison result, and the control device is also used for calculating the battery capacity of the power supply device according to the actual value of the preset parameter and dynamically adjusting the power supply parameter or the charging parameter of the power supply device according to the battery capacity.
In some embodiments, the power supply device includes a battery and a charging and discharging circuit unit, the battery is connected to the printing device and the charging and discharging circuit unit, respectively, and the monitoring device is connected to the battery and the charging and discharging circuit unit, respectively.
In some embodiments, the monitoring device includes a voltage monitoring component, a current monitoring component and a temperature monitoring component, the preset parameters include voltage, current and temperature, the control device obtains a corresponding preset threshold value of the voltage by querying a preset corresponding table according to an actual value of the temperature, compares the actual value of the voltage with the preset threshold value of the voltage, and switches the power supply device to a power supply state when it is determined that the actual value of the voltage is greater than the preset threshold value of the voltage; and when the actual value of the voltage is judged to be less than or equal to the preset threshold value of the voltage, switching the power supply device to be in a power receiving state.
In some embodiments, the control device includes a control unit, a calculation unit, and a charge and discharge switch, the control unit is connected to the calculation unit and the charge and discharge switch, the charge and discharge switch is further connected to the charge and discharge circuit unit, and the control unit controls the charge and discharge switch to be turned on and off according to a result of the calculation unit.
In some embodiments, the control device further includes a digital-to-analog converter, and the digital-to-analog converter is connected to the calculation unit and the monitoring device and is configured to convert the acquired actual value of the preset parameter.
In some embodiments, the printer apparatus with a power supply function further includes an interface device, the control device further includes an identification unit, the identification unit is respectively connected to the interface device and the control unit, and the identification unit is configured to identify whether the external apparatus connected to the interface device is a powered apparatus or a power supply apparatus.
The embodiment of the application simultaneously provides a printer power supply method with power supply function, supplies power for the external equipment connected with the printer, and includes: acquiring an actual value of a preset parameter of a power supply device in real time by using a monitoring device and sending the actual value of the preset parameter to a control device, wherein the preset parameter is related to the capacity of a battery; comparing the actual value of the preset parameter with a preset threshold value of the preset parameter by using the control device, switching the power supply device to be in a power supply state or a power receiving state according to the comparison result, and calculating the battery capacity of the power supply device according to the actual value of the preset parameter; and utilizing the power supply device to supply power to the external equipment or utilizing the external equipment to charge the power supply device, wherein the control device dynamically adjusts the power supply parameter or the charging parameter of the power supply device according to the battery capacity.
In some embodiments, the preset parameters include voltage, current, and temperature, and the obtaining, by the monitoring device, an actual value of the preset parameter of the power supply device in real time and sending the actual value of the preset parameter to the control device includes: acquiring an actual value of the voltage, an actual value of the current and an actual value of the temperature of the power supply device in real time by using a voltage monitoring component, a current monitoring component and a temperature monitoring component, and transmitting the actual values of the voltage, the current and the temperature to a digital-to-analog converter to be converted into digital signals; transmitting the digital signal to a computing unit using a digital-to-analog converter; the calculating the battery capacity of the power supply device according to the actual value of the preset parameter includes: and calculating the battery capacity according to the digital signals converted by the calculating unit according to the actual value of the voltage, the actual value of the current and the actual value of the temperature.
In some embodiments, the comparing, by the control device, the actual value of the preset parameter with the preset threshold of the preset parameter, and switching the power supply device to the power supply state or the power receiving state according to the comparison result includes: acquiring a corresponding preset threshold value of the voltage by inquiring a preset corresponding table according to the actual value of the temperature, comparing the actual value of the voltage with the preset threshold value of the voltage, and switching the power supply device to be in a power supply state when the actual value of the voltage is judged to be greater than the preset threshold value of the voltage; when the actual value of the voltage is judged to be smaller than or equal to the preset threshold value of the voltage, switching the power supply device to be in a power receiving state; the control device dynamically adjusting the power supply parameter or the charging parameter of the power supply device according to the battery capacity comprises: and dynamically adjusting the power supply current value or the charging current value generated by the charging and discharging circuit unit to be the current value corresponding to the battery capacity by using the control unit.
In some embodiments, the powering or charging the external device with the power supply apparatus includes: utilizing an interface device to be in communication connection with the external equipment and generate an interface signal; analyzing the interface signal by using an identification unit to identify the external equipment as power receiving equipment or power supply equipment; when the power supply device is in a power supply state and the external equipment is powered equipment, the power supply device is utilized to supply power to the external equipment, or when the power supply device is in a power supply state and the external equipment is the power supply equipment, the external equipment is utilized to charge the power supply device, or when the power supply device is in a power receiving state and the external equipment is the power supply equipment, the external equipment is utilized to supply power to the power supply device.
Therefore, the actual value of the preset parameter of the power supply device is obtained in real time through the monitoring device, the control device switches the power supply device to be in a power supply state or a power receiving state according to the comparison result after the actual value of the preset parameter is compared with the preset threshold value of the preset parameter, the battery capacity of the power supply device is calculated according to the actual value of the preset parameter, when the power supply device meets the power supply condition and is in the power supply state, the power supply device is used for supplying power to external equipment, when the power supply device does not meet the power supply condition and is in the power receiving state, the external equipment is used for charging the power supply device, and the practicability of the printer and the added value of products are improved. Meanwhile, in the process of supplying power or charging the power supply device, the control device can dynamically adjust power supply parameters or charging parameters according to the battery capacity of the power supply device, stabilize the working voltage of the power supply device and prolong the service life of the power supply device.
Drawings
Fig. 1 is a schematic structural diagram of a printer apparatus with a power supply function provided in the present application in a first embodiment.
Fig. 2 is a schematic structural diagram of a printer device with a power supply function provided in the present application in a second embodiment.
Fig. 3 is a schematic structural diagram of a printer apparatus with a power supply function provided in the present application in a third embodiment.
Fig. 4 is a schematic flow chart of a power supply method of a printer with a power supply function provided by the present application in a first embodiment.
Fig. 5 is a schematic flow chart of a power supply method of a printer with a power supply function provided by the present application in a second embodiment.
Fig. 6 is a schematic flow chart of a power supply method of a printer with a power supply function provided by the present application in a third embodiment.
Description of the main elements
Charging and discharging circuit unit 220
Digital-to-analog converter 340
Charging and discharging switch 420
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. The first feature being "under," "beneath," and "under" the second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
Referring to fig. 1, in a first embodiment, a printer apparatus with a power supply function includes: printing apparatus 100, power supply apparatus 200, monitoring apparatus 300, and control apparatus 400. The power supply device 200 is connected to the printing apparatus 100, and is configured to supply power to the printing apparatus 100 and the external device or be charged by the external device. The monitoring device 300 is connected to the power supply device 200, and is configured to obtain an actual value of a preset parameter of the power supply device 200 in real time, where the preset parameter is related to a battery capacity. The control device 400 is connected to the monitoring device 300 and the power device 200, and is configured to compare the actual value of the preset parameter with the preset threshold of the preset parameter, and switch the power device 200 to a power supply state or a power receiving state according to the comparison result, the control device 400 is further configured to calculate the battery capacity of the power device 200 according to the actual value of the preset parameter, and dynamically adjust the power supply parameter or the charging parameter of the power device 200 according to the battery capacity.
The printing apparatus 100 is used to realize functions of printing, etc. of a printer, and the printer device with the power supply function in this embodiment can be used as a portable charger to charge other electronic devices. When the power supply device 200 is used to supply power to an external device, if the current value of the charging current generated by the power supply device 200 is kept constant, the operating voltage thereof is rapidly decreased as the battery capacity of the power supply device 200 decreases, which is more serious when the power supply device 200 is in a low battery capacity condition. When the operating voltage of the power supply device 200 drops to a certain level, power cannot be supplied any more, and the printing device 100 cannot be driven by the power of the power supply device 200 to perform printing.
Therefore, the actual value of the preset parameter of the power supply apparatus 200 is monitored in real time by the monitoring device 300, the control device 400 switches the power supply apparatus 200 to the power supply state or the power receiving state according to the comparison result after comparing the actual value of the preset parameter with the preset threshold value of the preset parameter, and calculates the battery capacity of the power supply apparatus 200 according to the actual value of the preset parameter, when the power supply apparatus 200 satisfies the power supply condition and is in the power supply state, the power supply apparatus 200 is used for supplying power to the external device, and when the power supply apparatus 200 does not satisfy the power supply condition and is in the power receiving state, the external device is used for charging the power supply apparatus 200, thereby improving the practicability of the printer and the added value of the product. Meanwhile, in the process of supplying power or charging the power supply apparatus 200, the control apparatus 400 can dynamically adjust the power supply parameter or the charging parameter according to the battery capacity of the power supply apparatus 200, stabilize the operating voltage of the power supply apparatus 200, and prolong the service life of the power supply apparatus 200.
Referring to fig. 2, in a second embodiment, the power supply device 200 includes a battery 210 and a charging/discharging circuit unit 220, the battery 210 is connected to the printing apparatus 100 and the charging/discharging circuit unit 220, respectively, and the monitoring device 300 is connected to the battery 210 and the charging/discharging circuit unit 220, respectively. The monitoring device 300 includes a voltage monitoring component 310, a current monitoring component 320, and a temperature monitoring component 330, and the preset parameters include voltage, current, and temperature. The control device 400 includes a control unit 440, a calculation unit 410, and a charge and discharge switch 420, the control unit 440 is connected to the calculation unit 410 and the charge and discharge switch 420, the charge and discharge switch 420 is further connected to the charge and discharge circuit unit 220, and the control unit 440 controls the charge and discharge switch 420 to be turned on and off according to the result of the calculation unit 410. The control device 400 further includes a digital-to-analog converter 340, and the digital-to-analog converter 340 is connected to the calculating unit 410 and the monitoring device 300, and is configured to convert the obtained actual value of the preset parameter.
After the voltage monitoring component 310, the current monitoring component 320, and the temperature monitoring component 330 in the monitoring device 300 convert the acquired actual values of the voltage, the current, and the temperature into digital signals through the digital-to-analog converter 340 and transmit the digital signals to the control device 400, the control device 400 queries a preset voltage level table according to the actual values of the temperature to obtain a preset threshold of the voltage corresponding to the actual values of the temperature, compares the actual values of the voltage with the preset threshold of the voltage, switches the power supply device 200 to the power supply state when the actual values of the voltage are determined to be greater than the preset threshold of the voltage, and switches the power supply device 200 to the power receiving state when the actual values of the voltage are determined to be less than or equal to the preset threshold of the voltage.
The charge/discharge switch 420 is a MOS switch, and during the charge/discharge process, the charge/discharge circuit unit 220 is switched between power supply and power reception paths by the charge/discharge switch 420, thereby switching between charge and discharge of the power supply device 200. The voltage monitoring component 310, the current monitoring component 320, and the temperature monitoring component 330 obtain an actual value of voltage, an actual value of current, and an actual value of temperature of the battery 210 in real time, and send the actual value of voltage, the actual value of current, and the actual value of temperature to the digital-to-analog converter 340, the digital-to-analog converter 340 converts the actual values into digital signals and sends the digital signals to the calculating unit 410, so that the calculating unit 410 calculates the battery capacity of the battery 210 at present, and then dynamically adjusts the power supply current value or the charging current value generated by the charging and discharging circuit unit 220 according to the battery capacity to be a current value corresponding to the battery capacity. The lower battery capacity corresponds to a smaller power supply current value or charging current value, and when the battery 210 continuously supplies power to the external device, the battery capacity of the battery 210 is gradually reduced, and the control device 400 dynamically adjusts the power supply current value of the battery 210 to be gradually reduced, so as to stabilize the operating voltage of the battery 210.
Referring to fig. 3, in the third embodiment, the printer apparatus with power supply function further includes an interface device 500, the control device 400 further includes an identification unit 430, the identification unit 430 is respectively connected to the interface device 500 and the control unit 440, the identification unit 430 is configured to identify whether the external apparatus connected to the interface device 500 is a power receiving apparatus or a power supply apparatus, and send an identification result to the control unit 440, and the control unit 440 controls the charge and discharge switch 420 according to the identification result. The interface device 500 includes USB interfaces such as USB Type-C or USB Micro-B interface, and external devices connected to the interface device 500, including an intelligent mobile device or a power adapter.
The control device 400 includes a microcontroller, a digital signal processor, and other digital devices having an arithmetic function and a function of analyzing the USBType-C interface signal. When the interface device 500 is connected to an external device, the identification unit 430 in the control device 400 identifies whether the connected external device is a power receiving device or a power supplying device through the type D +/D-or CCLine signal line of the connected interface device 500. If the accessed external device is a powered device and the power supply apparatus 200 is in a power supply state, power is supplied to the accessed external device by the power supply apparatus 200. In addition, when the power supply apparatus 200 is in the power supply state, the power supply apparatus 200 may be charged by an external device. Therefore, if the connected external device is a power supply device and the power supply apparatus 200 is in the power receiving state or the power supply state, the power supply apparatus 200 is charged by the external device.
The present invention also provides a power supply method for a printer with a power supply function, which supplies power to an external device connected to the printer, and referring to fig. 4, in a first embodiment, the power supply method for a printer with a power supply function includes:
step S200: the monitoring device 300 is used for acquiring the actual value of the preset parameter of the power supply device 200 in real time and sending the actual value of the preset parameter to the control device 400, wherein the preset parameter is related to the battery capacity.
Step S210: comparing the actual value of the preset parameter with the preset threshold value of the preset parameter by using the control device 400, switching the power supply device 200 to a power supply state or a power receiving state according to the comparison result, and calculating the battery capacity of the power supply device 200 according to the actual value of the preset parameter.
Step S220: the power supply apparatus 200 is used to supply power to the external device or the external device is used to charge the power supply apparatus 200, wherein the control apparatus 400 dynamically adjusts the power supply parameter or the charging parameter of the power supply apparatus 200 according to the battery capacity.
Referring to fig. 5, in a second embodiment, the preset parameters include voltage, current and temperature, and the acquiring, by the monitoring device 300, the actual values of the preset parameters of the power supply device 200 in real time and sending the actual values of the preset parameters to the control device 400 includes: acquiring the actual value of the voltage, the actual value of the current and the actual value of the temperature of the power supply device 200 in real time by using a voltage monitoring component 310, a current monitoring component 320 and a temperature monitoring component 330, and transmitting the actual values of the voltage, the current and the temperature to a digital-to-analog converter 340 to be converted into digital signals; transmitting the digital signal to the calculation unit 410 using the digital-to-analog converter 340;
the comparing, by the control device 400, the actual value of the preset parameter with the preset threshold of the preset parameter, and switching the power supply device 200 to the power supplying state or the power receiving state according to the comparison result includes: acquiring a corresponding preset threshold value of the voltage by inquiring a preset corresponding table according to the actual value of the temperature, comparing the actual value of the voltage with the preset threshold value of the voltage, and switching the power supply device to be in a power supply state when the actual value of the voltage is judged to be greater than the preset threshold value of the voltage; and when the actual value of the voltage is judged to be less than or equal to the preset threshold value of the voltage, switching the power supply device to be in a power receiving state.
The calculating of the battery capacity of the power supply device 200 according to the actual value of the preset parameter includes: calculating the battery capacity according to the digital signal converted by the calculating unit 410 according to the actual value of the voltage, the actual value of the current and the actual value of the temperature.
The controlling device 400 dynamically adjusting the power supply parameter or the charging parameter of the power supply device 200 according to the battery capacity includes: the control unit 440 dynamically adjusts the power supply current value or the charging current value generated by the charging/discharging circuit unit 220 to a current value corresponding to the battery capacity.
The charging/discharging switch 420 is an MOS switch, and the control device 400 turns on the MOS switch by sending a CCS control signal, so that a current is converted from the voltage of the battery 210 through the charging/discharging circuit unit 220, and then a power supply current is generated by the battery 210 to supply power to the external device.
Referring to fig. 6, in a third embodiment, the supplying power to the external device by using the power supply apparatus 200 or charging the power supply apparatus 200 by using the external device includes: using the interface device 500 to connect with the external device and generate an interface signal; analyzing the interface signal by using an identification unit 430 to identify the external device as a powered device or a power supply device; when the power supply apparatus 200 is in a power supply state and the external device is a powered device, the power supply apparatus 200 is used to supply power to the external device, or when the power supply apparatus 200 is in a power supply state and the external device is a power supply device, the external device is used to charge the power supply apparatus 200, or when the power supply apparatus 200 is in a powered state and the external device is a power supply device, the external device is used to supply power to the power supply apparatus 200.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.
Claims (10)
1. A printer apparatus having a power supply function, characterized by having a function of supplying power to an external apparatus, comprising:
a printing device;
the power supply device is connected with the printing device and used for supplying power to the printing device and the external equipment or being charged by the external equipment;
the monitoring device is connected with the power supply device and used for acquiring the actual value of a preset parameter of the power supply device in real time, wherein the preset parameter is related to the battery capacity;
and the control device is connected with the monitoring device and the power supply device and used for comparing the actual value of the preset parameter with the preset threshold value of the preset parameter and switching the power supply device into a power supply state or a power receiving state according to the comparison result, and the control device is also used for calculating the battery capacity of the power supply device according to the actual value of the preset parameter and dynamically adjusting the power supply parameter or the charging parameter of the power supply device according to the battery capacity.
2. A printer apparatus with a power supply function according to claim 1, wherein said power supply device includes a battery and a charge and discharge circuit unit, said battery being connected to said printing device and said charge and discharge circuit unit, respectively, and said monitoring device being connected to said battery and said charge and discharge circuit unit, respectively.
3. The printer apparatus with power supply function according to claim 1, wherein the monitoring device includes a voltage monitoring component, a current monitoring component, and a temperature monitoring component, the preset parameters include voltage, current, and temperature, the control device obtains a corresponding preset threshold value of the voltage by querying a preset correspondence table according to an actual value of the temperature, compares the actual value of the voltage with the preset threshold value of the voltage, and switches the power supply device to a power supply state when it is determined that the actual value of the voltage is greater than the preset threshold value of the voltage; and when the actual value of the voltage is judged to be less than or equal to the preset threshold value of the voltage, switching the power supply device to be in a power receiving state.
4. The printer device with power supply function according to claim 2, wherein the control device includes a control unit, a computing unit, and a charge and discharge switch, the control unit is connected to the computing unit and the charge and discharge switch, respectively, the charge and discharge switch is further connected to the charge and discharge circuit unit, and the control unit controls the charge and discharge switch to be turned on and off according to the result of the computing unit.
5. The printer apparatus with a power supply function according to claim 4, wherein the control device further includes a digital-to-analog converter, connected to the calculation unit and the monitoring device, for converting the acquired actual value of the preset parameter.
6. The printer apparatus with power supply function according to claim 5, further comprising an interface device, wherein the control device further comprises an identification unit connected to the interface device and the control unit, respectively, the identification unit identifying whether the external apparatus connected to the interface device is a power-supplied apparatus or a power-supplied apparatus.
7. A printer power supply method with a power supply function, which supplies power to an external device connected to a printer, comprising:
acquiring an actual value of a preset parameter of a power supply device in real time by using a monitoring device and sending the actual value of the preset parameter to a control device, wherein the preset parameter is related to the capacity of a battery;
comparing the actual value of the preset parameter with a preset threshold value of the preset parameter by using the control device, switching the power supply device to be in a power supply state or a power receiving state according to the comparison result, and calculating the battery capacity of the power supply device according to the actual value of the preset parameter;
and utilizing the power supply device to supply power to the external equipment or utilizing the external equipment to charge the power supply device, wherein the control device dynamically adjusts the power supply parameter or the charging parameter of the power supply device according to the battery capacity.
8. The method for supplying power to a printer having a power supply function according to claim 7, wherein the preset parameters include voltage, current and temperature, and the obtaining the actual value of the preset parameter of the power supply device in real time by the monitoring device and sending the actual value of the preset parameter to the control device comprises:
acquiring an actual value of the voltage, an actual value of the current and an actual value of the temperature of the power supply device in real time by using a voltage monitoring component, a current monitoring component and a temperature monitoring component, and transmitting the actual values of the voltage, the current and the temperature to a digital-to-analog converter to be converted into digital signals;
transmitting the digital signal to a computing unit using a digital-to-analog converter;
the calculating the battery capacity of the power supply device according to the actual value of the preset parameter includes: and calculating the battery capacity according to the digital signals converted by the calculating unit according to the actual value of the voltage, the actual value of the current and the actual value of the temperature.
9. A method for supplying power to a printer having a power supply function according to claim 8, wherein said comparing, by said control means, an actual value of said preset parameter with a preset threshold value of said preset parameter, and switching said power supply means to a power supply state or a power receiving state according to the comparison result comprises:
acquiring a corresponding preset threshold value of the voltage by inquiring a preset corresponding table according to the actual value of the temperature, comparing the actual value of the voltage with the preset threshold value of the voltage, and switching the power supply device to be in a power supply state when the actual value of the voltage is judged to be greater than the preset threshold value of the voltage; when the actual value of the voltage is judged to be smaller than or equal to the preset threshold value of the voltage, switching the power supply device to be in a power receiving state;
the control device dynamically adjusting the power supply parameter or the charging parameter of the power supply device according to the battery capacity comprises: and dynamically adjusting the power supply current value or the charging current value generated by the charging and discharging circuit unit to be the current value corresponding to the battery capacity by using the control unit.
10. A printer power supply method with a power supply function according to claim 9, wherein said supplying power to the external device by the power supply apparatus or charging the power supply apparatus by the external device includes:
utilizing an interface device to be in communication connection with the external equipment and generate an interface signal;
analyzing the interface signal by using an identification unit to identify the external equipment as power receiving equipment or power supply equipment;
when the power supply device is in a power supply state and the external equipment is powered equipment, the power supply device is utilized to supply power to the external equipment, or when the power supply device is in a power supply state and the external equipment is the power supply equipment, the external equipment is utilized to charge the power supply device, or when the power supply device is in a power receiving state and the external equipment is the power supply equipment, the external equipment is utilized to supply power to the power supply device.
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| CN202111564138.0A CN114583777A (en) | 2021-12-20 | 2021-12-20 | Printer device with power supply function and printer power supply method |
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| CN202111564138.0A CN114583777A (en) | 2021-12-20 | 2021-12-20 | Printer device with power supply function and printer power supply method |
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