CN113098124A - Power supply equipment and power supply method - Google Patents
Power supply equipment and power supply method Download PDFInfo
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- CN113098124A CN113098124A CN202110347629.3A CN202110347629A CN113098124A CN 113098124 A CN113098124 A CN 113098124A CN 202110347629 A CN202110347629 A CN 202110347629A CN 113098124 A CN113098124 A CN 113098124A
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- powered device
- power supply
- conductive units
- powered
- power
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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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00045—Authentication, i.e. circuits for checking compatibility between one component, e.g. a battery or a battery charger, and another component, e.g. a power source
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
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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
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The application provides a power supply device and a power supply method, wherein the power supply device comprises: the power receiving device comprises a conductive unit array, a detection unit and a processing unit, wherein two conductive units in the conductive unit array are contacted by a power receiving device, so that the power receiving device can be powered by the power supply device based on the conducted two conductive units; the detection unit generates detection data during the contact of the powered device with two conductive units in the conductive unit array; a processing unit configured to determine a charging parameter of the powered device based on the detection data, and control the power supply device to supply power to the powered device based on the charging parameter of the powered device.
Description
Technical Field
The application belongs to the technical field of charging, and particularly relates to power supply equipment and a power supply method.
Background
At present, a powered device can supply power through a power supply device, the power supply device can supply power to the powered device through a power supply line, if the power supply device converts external 220V alternating current into direct current, the direct current is transmitted to the powered device through the power supply line, the powered device supplies power through the direct current, or the power supply device can store power, and when the power of the powered device is insufficient, the power is supplied to the powered device through the power supply line.
Disclosure of Invention
The application provides a power supply device and a power supply method.
In one aspect, the present application provides a power supply apparatus comprising:
an array of conductive units, two conductive units of which are contacted by one powered device, enabling the powered device to be powered by the power supply device based on the two conductive units being turned on;
a detection unit configured to generate detection data during contact between the power receiving apparatus and two conductive units in the conductive unit array;
a processing unit configured to determine a charging parameter of the powered device based on the detection data, and control the power supply device to supply power to the powered device based on the charging parameter of the powered device.
Optionally, the detecting unit includes: a first resistor and a second resistor, the first resistor being connected to a detection line of the two conductive units that are turned on, the power receiving apparatus serving as the second resistor on the detection line when the power receiving apparatus is in contact with the two conductive units;
the first resistor and the second resistor are connected in series;
the processing unit is configured to obtain a voltage value of the second resistor, and determine a type of the powered device based on the voltage value of the second resistor, where the type of the powered device represents a charging parameter of the powered device, and the voltage value of the second resistor is the detection data.
Optionally, the detecting unit includes: a shape detection unit for detecting a shape of a power receiving apparatus in contact with the two conductive units that are turned on;
the processing unit is connected with the shape detection unit and is used for acquiring the shape of a powered device contacted by the two conductive units which are conducted, and determining the type of the powered device based on the shape of the powered device contacted by the two conductive units which are conducted, wherein the type of the powered device represents the charging parameter of the powered device, and the shape of the powered device is the detection data.
Optionally, the processing unit is configured to control the detecting unit to switch from an available state to a disabled state after determining the charging parameter of the powered device.
Optionally, the method further includes: the sensor is used for detecting whether two conductive units in the conductive unit array are contacted by a power receiving device or not, and triggering the detection unit to be in a usable state if the two conductive units are detected to be contacted by the power receiving device.
Optionally, the method further includes: the prompting device is provided with at least three prompting states, and the at least three prompting states of the prompting device are used for prompting that the power supply equipment is in different working modes;
the at least three prompting states of the prompting device comprise a first prompting state, a second prompting state and a third prompting state, and the two conductive units are not contacted and conducted in the first prompting state; in the second prompting state, the two conductive units are contacted and conducted, and the power receiving device is an electronic device capable of being powered; in the third prompting state, the two conductive units are contacted and conducted and the power receiving apparatus is an object other than the electronic apparatus to which power can be supplied, the object consuming power supplied by the power supply apparatus when the power supply apparatus supplies power to the electronic apparatus to which power can be supplied.
In another aspect, the present application provides a power supply method, including:
generating detection data during contact of a powered device with two conductive units in an array of conductive units, the two conductive units in the array of conductive units being contacted by a powered device, enabling the powered device to be powered by the powered device based on the two conductive units being turned on;
determining a charging parameter of the powered device based on the detection data;
controlling the power supply apparatus to supply power to the power receiving apparatus based on the charging parameter of the power receiving apparatus.
Optionally, the determining, based on the detection data, a charging parameter of the powered device includes:
the power receiving equipment is arranged on a detection line, two conductive units which are contacted with the power receiving equipment and are conducted are further arranged on the detection line, and power is connected to the detection line through the two conductive units which are conducted, so that current flows through the power receiving equipment and the two conductive units;
obtaining a voltage value of the powered device, and determining a type of the powered device according to the voltage value of the powered device, wherein the type of the powered device represents a charging parameter of the powered device, and the voltage value of the powered device is the detection data;
or
Obtaining a shape of a powered device contacted by the two conductive units which are conducted, and determining a type of the powered device based on the shape of the powered device contacted by the two conductive units which are conducted, wherein the type of the powered device represents a charging parameter of the powered device, and the shape of the powered device is the detection data.
Optionally, the method further includes: controlling a detection unit in the power supply apparatus to switch from an available state to a disabled state after determining a charging parameter of the powered apparatus, the detection unit being configured to generate the detection data during contact between the powered apparatus and two conductive units in the array of conductive units;
and/or
The method further comprises the following steps: triggering the detection unit to a usable state if two conductive units in the conductive unit array are contacted by one powered device.
Optionally, the method further includes: and outputting corresponding prompt states according to the states of the two conductive units in the conductive unit array and/or the types of the power receiving equipment contacted with the two conductive units which are conducted.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a power supply device provided in an embodiment of the present application;
fig. 2 is a schematic contact diagram of a power receiving apparatus and a power supply apparatus according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a detection unit in the power supply device provided in the embodiment of the present application;
fig. 4 is a schematic circuit diagram of a power supply device provided in an embodiment of the present application;
fig. 5 is a schematic structural diagram of another power supply device provided in an embodiment of the present application;
FIG. 6 is a schematic circuit diagram of another power supply apparatus provided in an embodiment of the present application;
fig. 7 is a schematic structural diagram of another power supply device provided in an embodiment of the present application;
fig. 8 is a flowchart of a power supply method according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. 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 application.
Referring to fig. 1, an alternative structure of a power supply device provided in an embodiment of the present application is shown, which may include: an array of conductive elements 100, a detection unit 200 and a processing unit 300.
The detection unit 200 and the processing unit 300 are shown in dashed line to illustrate that the detection unit 200 and the processing unit 300 may be located below the conductive element array 100 to facilitate monitoring of the conductive elements 101 in the conductive element array 100 by the detection unit 200 and the processing unit 300. Of course, the detecting unit 200 and the processing unit 300 may be disposed in other ways, such as the detecting unit 200 and the processing unit 300 are disposed on one side of the conductive unit array 100, and the detecting unit 200 and the processing unit 300 are disposed on the same side to facilitate communication between the detecting unit 200 and the processing unit 300. Whether the sensing unit 200 and the processing unit 300 are located under the conductive cell array 100 or the sensing unit 200 and the processing unit 300 are located at one side of the conductive cell array 100, wiring is required between the sensing unit 200, the processing unit 300, and the conductive cell array 100 to enable communication between the parties.
Two conductive units 101 in the conductive unit array 100 are contacted by one power receiving apparatus, enabling the power receiving apparatus to be powered by the power supply apparatus based on the two conductive units being turned on. That is, when two conductive units 101 are in contact with the power receiving device, the two conductive units 101 are conducted by the power receiving device in contact with the two conductive units 101, and the conducted two conductive units 101 supply power to the power receiving device in contact with the two conductive units 101.
It is understood that the power receiving device includes two power receiving units, the power receiving device may contact with the plurality of conductive units 101, and the conductive unit 101 that is turned on refers to: a conductive unit 101 that is in contact with a power receiving unit in the power receiving apparatus. That is, of the plurality of conductive units 101 in contact with the power receiving apparatus, two conductive units 101 are in contact with the power receiving unit in the power receiving apparatus, respectively, and the two conductive units 101 in contact with the power receiving unit are electrically conducted by the power receiving unit, whereby the two conductive units 101 in contact with the power receiving unit may be the electrically conducted two conductive units 101.
In this embodiment, the two conductive units 101 are in contact with the power receiving apparatus means that the two conductive units 101 are in contact with two power receiving units of the power receiving apparatus respectively, so that the conductive units 101 and the power receiving units are in one-to-one contact relationship, and power supply to the power receiving apparatus is realized by supplying power to the power receiving unit, where the form of the two power receiving units of the power receiving apparatus may be, but is not limited to: the electrode, two electrodes of powered device can set up in the bottom of powered device, so set up in the bottom of powered device because in the powered device with the corresponding one side of bottom can set up to display area or user operation region usually, if set up the electrode in the corresponding one side of bottom and then can influence the display in display area and user operation and increase the setting degree of difficulty of electrode to the powered device demonstrates usually can demonstrate the one side corresponding with the bottom when showing, avoids the electrode to influence the pleasing to the eye of powered device. The shape of the electrode for the powered device may be, but is not limited to: the thickness of the electrode used in the same power receiving device may be the same, but the shape, thickness, and the like of the electrode are not limited in this embodiment.
For example, fig. 2 shows a schematic contact diagram of a power receiving device and a power supply device, where the power receiving device in fig. 2 is a notebook computer, a dotted area on the power supply device is an area of the power supply device occupied by the notebook computer, and the notebook computer is shown in contact with a plurality of conductive units 101 in the power supply device.
The circular black dots in fig. 2 (for example only) represent the power receiving unit of the notebook computer, and the conductive units 101 in contact with the circular black dots (power receiving unit) are turned on, and as can be seen from fig. 2, even though the notebook computer is in contact with a plurality of conductive units 101 in the power supply apparatus, only the conductive units 101 in contact with the circular black dots (power receiving unit) are turned on.
In addition, the power supplied to the power receiving device by the power receiving device based on the two conductive units being turned on means that: the power supply apparatus charges the powered apparatus, or the power supply apparatus provides power support for the powered apparatus. If the power supply device is installed on the power receiving device, the power receiving device does not provide power support for the components of the power receiving device through the power supply device, but provides power support for the components of the power receiving device by using the power provided by the power supply device, so that the power supply of the power receiving device can be continuously used when the power receiving device is not in contact with the power supply device, and the service time of the power receiving device is prolonged. In other words, the power supply device charges the power supply of the power receiving device, and the power receiving device provides power support for its components through its power supply. The powered device may not have a power source installed, and the powered device receives power provided by the power sourcing equipment to provide power support to the components of the powered device.
A detection unit 200 for generating detection data during the contact of the power receiving apparatus with two conductive units 101 in the conductive unit array 100. In this embodiment, the detection unit 200 can detect that the power receiving apparatus is in contact with two conductive units 101 in the conductive unit array 100 to generate detection data that can be directed to the power receiving apparatus, and the detection data directed to the power receiving apparatus is transmitted to the processing unit 300, so that the processing unit 300 can control power supply of the power supply apparatus based on the detection data. The processing unit 300 controls the power supply of the power supply apparatus based on the detection data as follows:
a processing unit 300, configured to determine a charging parameter of the powered device based on the detection data, and control the power supply device to supply power to the powered device based on the charging parameter of the powered device, so that the power supply device can provide an electrical parameter matching the charging parameter, such as a voltage matching the charging parameter, to the powered device based on the charging parameter of the powered device.
One function of the detection data is that the detection data can indicate the type of the powered device, and the charging parameters of different types of powered devices are different, for example, the charging parameters of three types of powered devices, i.e., a laptop, a mobile phone, and a mouse, are different, so the processing unit 300 can determine the type of the powered device based on the detection data and determine the charging parameter of the powered device based on the type of the powered device.
In the present embodiment, one expression of the detection data is the shape of the power receiving apparatus, and the detection unit 200 includes a shape detection unit for detecting the shape of the power receiving apparatus in contact with the two conductive units that are turned on. Correspondingly, the processing unit 300 is connected to the shape detection unit, and is configured to obtain a shape of the powered device contacted by the two conductive units that are turned on, determine a type of the powered device based on the shape of the powered device contacted by the two conductive units that are turned on, characterize a charging parameter of the powered device, and enable the processing unit 300 to determine the charging parameter of the powered device based on the type of the powered device.
The shape of the power receiving device represents the shape of the power receiving device, and the shapes of different types of power receiving devices are different, and the processing unit 300 may compare the shape of the power receiving device in contact with the two conductive units that are turned on with the shape of the known type of power receiving device, and determine the type of the power receiving device in contact with the two conductive units that are turned on currently.
In the shape comparison process of the processing unit 300, the processing unit 300 may extract an edge of the powered device, compare the edge of the powered device with an edge of a powered device of a known type, and determine the type of the powered device currently in contact with the two conductive units that are turned on. In addition, the areas of the different types of powered devices in contact with the conductive element array 100 are different besides the shapes of the different types of powered devices, for example, for three types of powered devices, namely a notebook computer, a mobile phone and a mouse, the areas of the three types of powered devices in contact with the conductive element array 100 are arranged from large to small: notebook computer, cell-phone, mouse. Based on the shape of this powered device, which may be the area of the powered device in contact with the conductive cell array 100, the processing unit 300 determines the type of the powered device by the area.
In the present embodiment, one way of the shape detection unit is an optical detection device, the detection range of which covers the conductive cell array 100, and the optical detection device can acquire an image of the power receiving apparatus located above the conductive cell array 100 during the process of contacting the power receiving apparatus with the conductive cell array 100. The optical detection device transmits the image of the powered device to the processing unit 300, the processing unit 300 recognizes the image of the powered device by using an image recognition technology to obtain image feature data, the image feature data may indicate the shape of the powered device, so that the processing unit 300 may determine the type of the powered device based on the image feature data, or the processing unit 300 extracts the edge of the powered device from the image of the powered device by using the image recognition technology to obtain the shape of the powered device. Of course, the processing unit 300 can also extract the area of the power receiving apparatus in contact with the conductive unit array 100 from the image of the power receiving apparatus by using the image recognition technology. Another way of the shape detection unit is a sensor assembly located below the conductive cell array 100, the sensor assembly being capable of detecting an area where the power receiving apparatus is in contact with the conductive cell array 100, and the type of the sensor assembly is not limited to this embodiment. The sensor assembly transmits the detected area data to the processing unit 300, and the processing unit 300 determines the type of the powered device through area comparison, thereby obtaining the charging parameter of the powered device.
The shape detection unit takes the image of the powered device or the area where the powered device is in contact with the conductive unit array 100 as the shape of the powered device, so that the processing unit 300 can determine the type of the powered device through simple shape comparison, simplifying the processing logic of the processing unit 300.
The above power supply apparatus includes: the power supply device comprises a conductive unit array 100, a detection unit 200 and a processing unit 300, wherein two conductive units 101 in the conductive unit array 100 are contacted by a power receiving device, and the power receiving device can be powered by the power supply device based on the two conductive units 101 which are conducted; the detection unit 200 generates detection data during the contact of the power receiving apparatus with two conductive units 101 in the conductive unit array 100; and a processing unit 300, configured to determine a charging parameter of the powered device based on the detection data, and control the power supply device to supply power to the powered device based on the charging parameter of the powered device, so as to supply power to the powered device by using the two conductive units 101 in the conductive unit array 100 that are turned on. And the detection unit 200 can detect that the power receiving apparatus is in contact with two conductive units 101 in the conductive unit array 100 to generate detection data, determine a charging parameter of the power receiving apparatus based on the detection data through the processing unit 300, and control power supply of the power supply apparatus using the charging parameter, so that the power supply apparatus can provide the power receiving apparatus with an electrical parameter matching the charging parameter.
In the present embodiment, one expression of the detection data is a voltage value of the powered device, and a corresponding alternative structure of the detection unit 200 is shown in fig. 3, where the detection unit 200 includes: the detection circuit comprises a first resistor 201 and a second resistor 202, wherein the first resistor 201 is connected to a detection line of two conductive units which are conducted, and the power receiving equipment is used as the second resistor 202 on the detection line when the power receiving equipment is in contact with the two conductive units. The first resistor 201 and the second resistor 202 are arranged in series, the first resistor 201 is connected with a power supply, current flows through the first resistor 201 and the second resistor 202 under the action of the power supply, a voltage value passing through the second resistor 202 is collected by the processing unit 300, the processing unit 300 determines the type of the powered device based on the voltage value of the second resistor, and the type of the powered device represents charging parameters of the powered device.
Because the resistance values of different types of power receiving devices are different, when different types of power receiving devices are used as second resistors and connected to a detection line, and under the action of the same power supply and the condition that the first resistor is fixed, the voltage value of the second resistor obtained by the processing unit 300 is also different, so that the processing unit 300 can compare the voltage value of the second resistor with the voltage values of the known types of power receiving devices to determine the type of the power receiving device currently in contact with the two conductive units which are turned on, and the processing logic of the processing unit 300 can be simplified through the voltage value comparison method.
In view of the above-described determination of the type of the powered device by the voltage value of the powered device, an alternative circuit diagram of the power supply device provided in the present embodiment is shown in fig. 4, and the power supply device has a power supply line and a detection line, and a first switch 401 is provided on the power supply line, and the first switch 401 is provided on the power supply input side of the power supply line. The second switch 402 is disposed on the detection circuit, a resistor 201 and a second resistor 202 are also disposed on the detection circuit, and the second resistor 202 is a resistor of the power receiving device contacting with the two conductive units that are conducted, so that the second resistor 202 is not disposed on the detection circuit when the power receiving device is not received in the conductive unit. Also connected to the input side of the power supply is a voltage regulator 403. the voltage regulator 403 converts the power supply voltage to provide a stable voltage to the processing unit 300, for example, a 3.3V voltage to the processing unit 300.
In order for the power receiving apparatus to be able to supply power by the power supply apparatus and to enable the power supply apparatus to detect the type of the power receiving apparatus, the circuit of the power receiving apparatus is adaptively changed as shown in fig. 4. The power receiving apparatus also has a power supply line on which a third switch 404 is provided, and a detection line, the third switch 404 being provided on the power supply input side of the power supply line; a fourth switch 405 and a second resistor 202 are arranged on the detection line, the fourth switch 405 is located before the second resistor 202, when the powered device is in contact with the two conductive units, the fourth switch 405 is located between the first resistor 201 and the second resistor 202, a processing unit 400 is further arranged on the powered device, and the third switch 404 and the fourth switch 405 are controlled by the processing unit 400. When the power receiving equipment is in contact with the two conductive units, the detection circuit in the power receiving equipment is connected with the detection circuit in the power supply equipment, the power supply circuit in the power receiving equipment is connected with the power supply circuit in the power supply equipment, the power supply is accessed through the power supply circuit in the power supply equipment, the external power supply is converted through the adapter, and the output of the adapter can be connected to the power input end of the power supply circuit.
If the powered device is in contact with two conductive units, the processing unit 300 of the power supply device controls the first switch 401 to be in an open state and controls the second switch 402 to be in a closed state, so that the power supply line is in an open state and the processing unit 300 can connect the first resistor; and if the powered device is in contact with two conducting units, the processing unit 400 of the powered device controls the third switch 404 to be in a closed state and controls the fourth switch 405 to be in an open state, so that the power supply line is in an open state, and the first resistor 201 and the second resistor 202 are connected in series, and the processing unit 300 provides voltage to the first resistor 201 and the second resistor 202, so that current flows through the first resistor 201 and the second resistor 202, and the voltage provided by the processing unit 300 is connected through the first end of the first resistor 201.
Besides the third switch 404, a connection line is further led out from the second end of the first resistor 201 to connect the processing unit 300, and the processing unit 300 can acquire the voltage value of the second resistor 202 through the connection line. When the powered device is in contact with the two conductive units, the voltage value of the second resistor 202 collected by the processing unit 300 is not zero, and the type of the powered device can be determined by the voltage value of the second resistor 202. If the type of the powered device is determined by the voltage value of the second resistor 202, the powered device is an electronic device that can be powered.
If the powered device in contact with the two conductive units is an object other than the electronic device capable of being powered, the other object may consume the power supplied by the power supply device when the power supply device supplies power to the electronic device capable of being powered, and the other object may turn on the two conductive units but does not need the power supply device to supply power, such as a conductive metal sheet or water stain, the voltage value of the second resistor 202 collected by the processing unit 300 is zero, so as to determine that the other object in contact with the two conductive units is an object other than the electronic device capable of being powered, and prohibit the power supply device from supplying power.
The processing unit 300 determines that the two conductive units are in contact with the powered device and determines the charging parameters, controls the first switch 401 to be in a closed state and controls the second switch 402 to be in an open state, the power supply line on the power supply device side is turned on, and the adapter on the power supply line inputs a charging signal to the power supply line, where the charging signal may be in the form of a carrier. After the powered device receives the charging signal, the processing unit 400 of the powered device controls the third switch 404 to be in an open state and controls the fourth switch 405 to be in a closed state, so that the power supply line on the powered device side is in a conducting state, thereby forming a charging loop to charge the powered device. With the circuit diagram shown in fig. 4, the power supply device performs type detection of the powered device and power supply to the powered device in cooperation with the powered device.
In this embodiment, the processing unit 300 is further configured to control the detection unit 200 to switch from the available state to the disabled state after determining the charging parameter of the powered device. After the processing unit 300 determines the charging parameter of the powered device, the processing unit 300 controls the power supply device to supply power to the powered device based on the charging parameter of the powered device, the detection unit 200 may suspend detection, and then the processing unit 300 may control the detection unit 200 to switch from the usable state to the disabled state, so as to reduce the power consumption of the power supply device.
One way for the detection unit 200 to switch from the usable state to the disabled state may be to turn off the detection unit 200, and if the detection unit 200 adopts the structure in the circuit diagram shown in fig. 4, the way for the detection unit 200 to switch from the usable state to the disabled state is: the second switch is controlled to switch from the closed state to the open state, and since the second switch is in the open state, the processing unit 300 cannot supply power to the first resistor, and the processing unit 300 cannot obtain the voltage value of the second resistor, which means that the detecting unit 200 is in the disabled state.
Please refer to fig. 5, which shows an alternative structure of another power supply device provided in the embodiment of the present application, and may further include: a sensor 500 for detecting whether two conductive units 101 in the conductive unit array 100 are contacted by a powered device, and triggering the detection unit 200 to a usable state if the contacted by the powered device is detected.
Wherein the sensor 500 may be at least one of a light sensor and a distance sensor, if there is a blocking object in the collecting direction of the light sensor, the brightness collected by the light sensor changes to determine that there is an object contacting with two conductive units 101 in the conductive unit array 100, for example, it may be determined that the powered device contacts with two conductive units 101 in the conductive unit array 100.
Similarly, if there is an object in the collection direction of the distance sensor, the distance collected by the distance sensor changes, and if the distance changes from large to small and the distance is regarded as the object being placed on two conductive units 101 in the conductive unit array 100, it is determined that there is an object in contact with two conductive units 101 in the conductive unit array 100, and for example, it may be determined that the powered device is in contact with two conductive units 101 in the conductive unit array 100. In this embodiment, the distance sensor can analyze the shape of the object by distance, and if the distance sensor analyzes that the suspected electronic device, such as a laptop computer, a mobile phone, etc., of the object is in contact with two conductive units 101 in the conductive unit array 100, the detection unit 200 is triggered to be in a usable state.
The luminance that light sensor gathered can change when there is the object in light sensor's collection direction, no matter the object is electronic equipment or other objects (like electrically conductive sheetmetal or water stain etc.), consequently can not accurately judge through light sensor whether the object that contacts with electrically conductive unit is electronic equipment these equipment that need the power supply. The distance sensor can analyze whether an object in contact with the two conductive units 101 is suspected to be an electronic device, but the power consumption of the distance sensor is greater than that of the light sensor, which may cause the power consumption of the power supply device to increase if the distance sensor is continuously in an on state.
Based on the fact that the light sensor can be always in an on state, the distance sensor is in an off state by default; if the light sensor enables the collected brightness to change due to the fact that the light sensor shields the object, the distance sensor is indicated to be switched to the opening state, and the distance sensor conducts analysis; if the distance sensor analyzes that the suspected electronic device of an object is in contact with two conductive elements 101 in the conductive element array 100, the detection unit 200 is triggered to a usable state. If the light sensor determines that two conductive elements 101 in the array of conductive elements 100 are free of an object, it indicates that the distance sensor is switched to the off state.
The corresponding circuit diagram of the power supply apparatus shown in fig. 4 may incorporate a sensor, the circuit diagram of which is shown in fig. 6, the sensor 500 is connected to the processing unit 300, and if the sensor 500 detects that two conductive units 101 in the conductive unit array 100 are contacted by the powered apparatus, the processing unit 300 is informed. The processing unit 300 controls the second switch to switch from the open state to the closed state, the processing unit 300 can supply power to the first resistor, and the processing unit 300 can obtain the voltage value of the second resistor, which means that the detecting unit 200 is in the usable state. The working flow of the circuit diagram of the power supply device shown in fig. 6 is as follows:
1) the adapter provides 3.3V voltage for a processing unit in the power supply equipment through the voltage stabilizer, and the first switch is in an off state in the process of providing the 3.3V voltage;
2) the processing unit in the power supply device is in a standby state, the second switch is in an off state, and whether two conductive units 101 in the conductive unit array 100 are contacted by one powered device is detected through the light sensor and the distance sensor;
3) if the powered device is detected, a processing unit in the power supply device is activated;
4) the processing unit in the power supply equipment controls the second switch to be switched to a closed state, a fourth switch in the same power receiving equipment is in a closed state, and a third switch is in an open state;
5) the processing unit of the power supply equipment obtains the voltage value of the second resistor, determines that the power receiving equipment is the electronic equipment needing to be supplied with power by the power supply equipment, and determines the type of the power receiving equipment;
6) the processing unit of the power supply equipment indicates to output a voltage matched with the charging parameters of the powered equipment and controls the first switch to be in a closed state;
7) a third switch in the powered device is switched to a closed state to form a charging loop for supplying power to the powered device;
8) the light sensor and the distance sensor detect that the powered device is removed from the conductive unit 101;
9) the processing unit in the power supply equipment controls the first switch to be switched to the off state, and the adapter provides 3.3V voltage to the processing unit in the power supply equipment through the voltage stabilizer.
In the circuit diagrams shown in fig. 4 and 6, the power supply line and the detection line are connected by a dotted line, which indicates that one of the power supply line and the detection line is in a conductive state in a certain state, for example, if the type of the power receiving device is detected, the detection line is in a conductive state; if power is supplied to the powered device, the power supply line is in a conducting state. The broken lines in fig. 4 and 6 distinguish the power supply apparatus and the power receiving apparatus. The processing unit 300 in the power supply apparatus may include a processing chip and a proportional-derivative controller (PD controller), the processing chip instructs the PD controller to control the first switching state after determining the type of the power receiving apparatus, and the 3.3V voltage output by the voltage regulator may be provided to the processing chip and the PD controller. The processing unit 400 of the power receiving apparatus can be connected to one side of the fourth switch, one side of the fourth switch is connected to the first resistor, and the processing unit 400 can obtain a voltage value of the first resistor and determine a manufacturer corresponding to the power supply apparatus based on the voltage value of the first resistor.
Referring to fig. 7, an alternative structure of another power supply device provided in an embodiment of the present application is shown, which may further include: the indication device 600, wherein the indication device 600 is indicated by a dotted line to distinguish the conductive cell array 100 from the indication device 600, it can also be stated that the indication device 600 is located inside the power supply device or located at the periphery of the power supply device without affecting the operation of the conductive cell array 100.
The prompting device 600 has at least three prompting states, and the at least three prompting states of the prompting device 600 are used for prompting that the power supply equipment is in different working modes, so that the working modes of the power supply equipment are distinguished through the different prompting states.
The at least three prompting states of the prompting device comprise a first prompting state, a second prompting state and a third prompting state, and the two conductive units are not contacted and conducted in the first prompting state. In the second prompting state, the two conductive units are contacted and conducted and the power receiving device is an electronic device that can be powered. In the third prompting state, the two conductive units are contacted and conducted, the power receiving device is an object other than the electronic device capable of being powered, and the other object can consume the power supplied by the power supply device when the power supply device supplies power to the electronic device capable of being powered.
The prompting device 600 may be a lamp disposed in the power supply device, and the display of the lamp is different in different operation modes, so as to be used as the first prompting state to the third prompting state through different displays of the lamp. For example, the lamp is not turned on to be in a first prompting state for prompting that the two conductive units are not contacted and conducted; the green light is turned on to be in a second prompting state, and the green light is used for prompting that the two conductive units are contacted and conducted and the power receiving equipment is electronic equipment capable of being powered; the red light blinks to a third prompt state for prompting that the two conductive units are contacted and conducted and that the powered device is an object other than the electronic device that can be powered.
In addition to the above three prompting states, there may be other prompting states, for example, a fourth prompting state, where in the fourth prompting state, the electronic device capable of being powered waits for power supply, for example, the red light flickers to the fourth prompting state, so as to prompt the electronic device capable of being powered to wait for power supply, and the red light flickers in the fourth prompting state have a different frequency from the red light flickers in the third prompting state. The logic flows of the above prompting states are as follows:
light is not on-the sensor detects whether there is a powered device, if there is a powered device and the processing unit determines the type of the powered device, the green light is on; if the other type of object flickers in red (red 0.5s on/0.5 s off), namely the voltage output by the adapter is waited on the power supply line, in the process, the red flickers in red (red 2s on/2 s off), namely the voltage matched with the charging parameters exists on the power supply line, the first switch is switched from an open state to a closed state, the third switch is also in the closed state, the green light is on, and charging is started.
The power supply equipment prompts that the power supply equipment is in different working modes through at least three prompting states of the prompting device so as to distinguish and prompt the working modes of the power supply equipment.
Referring to fig. 8, an optional flow of a power supply method provided in an embodiment of the present application is shown, which may include the following steps:
1001: the detection data is generated during a process in which the power receiving apparatus is in contact with two conductive units in the conductive unit array, the two conductive units in the conductive unit array being contacted by one power receiving apparatus, enabling the power receiving apparatus to be powered by the power supply apparatus based on the two conductive units being turned on.
1002: based on the detection data, a charging parameter of the powered device is determined. Based on the detection data, the possible ways of determining the charging parameters of the powered device are as follows:
one possible way is to arrange the powered device on the detection line, and to arrange two conductive units that are in contact with the powered device and are conducted on the detection line, wherein the two conductive units that are conducted connect the power source to the detection line, so that current flows through the powered device and the two conductive units that are conducted; the method comprises the steps of obtaining a voltage value of the powered device, determining the type of the powered device according to the voltage value of the powered device, wherein the type of the powered device represents a charging parameter of the powered device, and the voltage value of the powered device is detection data.
Another possible way is to obtain the shape of the powered device contacted by the two conductive units that are turned on, determine the type of the powered device based on the shape of the powered device contacted by the two conductive units that are turned on, the type of the powered device representing the charging parameters of the powered device, and the shape of the powered device being the detection data.
The above two possible ways of determining the charging parameter of the powered device can simplify the processing logic, and refer to the above embodiments, which are not described in detail herein.
1003: the power supply device is controlled to supply power to the powered device based on the charging parameter of the powered device, so that the power supply device can provide the power parameter matched with the charging parameter to the powered device based on the charging parameter of the powered device, such as providing voltage matched with the charging parameter.
In the above power supply method, the detection data is generated when the powered device is in contact with two conductive units in the conductive unit array, and the two conductive units in the conductive unit array are contacted by one powered device, so that the powered device is powered by the powered device based on the two conductive units which are conducted; the power supply device is controlled to supply power to the powered device based on the charging parameter of the powered device, so that the power supply device can provide the powered device with the electric parameter matched with the charging parameter, and the powered device is supplied with power by utilizing the two conductive units which are conducted in the conductive unit array.
In this embodiment, the detection data may be generated by a detection unit configured to generate the detection data during the contact of the powered device with two conductive units in the conductive unit array, and the power supply method provided by this corresponding embodiment further includes: after determining the charging parameter of the powered device, the detection unit in the power supply device is controlled to switch from the available state to the disabled state, so as to reduce the power consumption of the power supply device.
The power supply method further comprises: if two conductive units in the conductive unit array are contacted by one powered device, the detection unit is triggered to be in a usable state. Contact of two conductive elements of the array of conductive elements by a powered device may be detected by a sensor. The process of detecting whether two conductive units in the conductive unit array are contacted by one powered device by the light sensor and the distance sensor is described in the above embodiments.
In addition, the power supply method provided by the embodiment further includes: and outputting corresponding prompt states according to the states of the two conductive units in the conductive unit array and/or the type of the power receiving equipment contacted with the two conductive units which are conducted.
The prompting states comprise a first prompting state, a second prompting state and a third prompting state, and in the first prompting state, the two conductive units are not contacted and conducted. In the second prompting state, the two conductive units are contacted and conducted and the power receiving device is an electronic device that can be powered. In the third prompting state, the two conductive units are contacted and conducted, and the power receiving device is an object other than the electronic device capable of being powered, and the other object may consume the power supplied by the power supply device when the power supply device supplies power to the electronic device capable of being powered.
It should be noted that, various embodiments in this specification may be described in a progressive manner, and features described in various embodiments in this specification may be replaced with or combined with each other, each embodiment focuses on differences from other embodiments, and similar parts between various embodiments may be referred to each other. For the method class embodiment, since it is basically similar to the apparatus embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the apparatus embodiment.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The foregoing is only a preferred embodiment of the present application and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims (10)
1. A power supply apparatus comprising:
an array of conductive units, two conductive units of which are contacted by one powered device, enabling the powered device to be powered by the power supply device based on the two conductive units being turned on;
a detection unit configured to generate detection data during contact between the power receiving apparatus and two conductive units in the conductive unit array;
a processing unit configured to determine a charging parameter of the powered device based on the detection data, and control the power supply device to supply power to the powered device based on the charging parameter of the powered device.
2. The power supply apparatus according to claim 1, the detection unit comprising: a first resistor and a second resistor, the first resistor being connected to a detection line of the two conductive units that are turned on, the power receiving apparatus serving as the second resistor on the detection line when the power receiving apparatus is in contact with the two conductive units;
the first resistor and the second resistor are connected in series;
the processing unit is configured to obtain a voltage value of the second resistor, and determine a type of the powered device based on the voltage value of the second resistor, where the type of the powered device represents a charging parameter of the powered device, and the voltage value of the second resistor is the detection data.
3. The power supply apparatus according to claim 1, the detection unit comprising: a shape detection unit for detecting a shape of a power receiving apparatus in contact with the two conductive units that are turned on;
the processing unit is connected with the shape detection unit and is used for acquiring the shape of a powered device contacted by the two conductive units which are conducted, and determining the type of the powered device based on the shape of the powered device contacted by the two conductive units which are conducted, wherein the type of the powered device represents the charging parameter of the powered device, and the shape of the powered device is the detection data.
4. The power supply apparatus according to claim 2 or 3, wherein the processing unit is configured to control the detection unit to switch from the available state to the disabled state after determining the charging parameter of the powered apparatus.
5. The power supply apparatus according to claim 1, further comprising: the sensor is used for detecting whether two conductive units in the conductive unit array are contacted by a power receiving device or not, and triggering the detection unit to be in a usable state if the two conductive units are detected to be contacted by the power receiving device.
6. The power supply apparatus according to claim 1, further comprising: the prompting device is provided with at least three prompting states, and the at least three prompting states of the prompting device are used for prompting that the power supply equipment is in different working modes;
the at least three prompting states of the prompting device comprise a first prompting state, a second prompting state and a third prompting state, and the two conductive units are not contacted and conducted in the first prompting state; in the second prompting state, the two conductive units are contacted and conducted, and the power receiving device is an electronic device capable of being powered; in the third prompting state, the two conductive units are contacted and conducted and the power receiving apparatus is an object other than the electronic apparatus to which power can be supplied, the object consuming power supplied by the power supply apparatus when the power supply apparatus supplies power to the electronic apparatus to which power can be supplied.
7. A method of supplying power, comprising:
generating detection data during contact of a powered device with two conductive units in an array of conductive units, the two conductive units in the array of conductive units being contacted by a powered device, enabling the powered device to be powered by the powered device based on the two conductive units being turned on;
determining a charging parameter of the powered device based on the detection data;
controlling the power supply apparatus to supply power to the power receiving apparatus based on the charging parameter of the power receiving apparatus.
8. The method of claim 7, the determining, based on the detection data, a charging parameter of the powered device comprising:
the power receiving equipment is arranged on a detection line, two conductive units which are contacted with the power receiving equipment and are conducted are further arranged on the detection line, and power is connected to the detection line through the two conductive units which are conducted, so that current flows through the power receiving equipment and the two conductive units;
obtaining a voltage value of the powered device, and determining a type of the powered device according to the voltage value of the powered device, wherein the type of the powered device represents a charging parameter of the powered device, and the voltage value of the powered device is the detection data;
or
Obtaining a shape of a powered device contacted by the two conductive units which are conducted, and determining a type of the powered device based on the shape of the powered device contacted by the two conductive units which are conducted, wherein the type of the powered device represents a charging parameter of the powered device, and the shape of the powered device is the detection data.
9. The method of claim 7, further comprising: controlling a detection unit in the power supply apparatus to switch from an available state to a disabled state after determining a charging parameter of the powered apparatus, the detection unit being configured to generate the detection data during contact between the powered apparatus and two conductive units in the array of conductive units;
and/or
The method further comprises the following steps: triggering the detection unit to a usable state if two conductive units in the conductive unit array are contacted by one powered device.
10. The method of claim 7, further comprising: and outputting corresponding prompt states according to the states of the two conductive units in the conductive unit array and/or the types of the power receiving equipment contacted with the two conductive units which are conducted.
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| CN202110347629.3A CN113098124A (en) | 2021-03-31 | 2021-03-31 | Power supply equipment and power supply method |
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