CN118074600A - Power supply device - Google Patents
Power supply device Download PDFInfo
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- CN118074600A CN118074600A CN202211480775.4A CN202211480775A CN118074600A CN 118074600 A CN118074600 A CN 118074600A CN 202211480775 A CN202211480775 A CN 202211480775A CN 118074600 A CN118074600 A CN 118074600A
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- power
- power supply
- tool
- supply device
- terminal
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 238000012937 correction Methods 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000001960 triggered effect Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M7/219—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The application discloses a power supply device, comprising: the power input end is connected with an alternating current power supply; the power circuit is used for performing energy conversion on the accessed alternating current so as to obtain electric energy capable of supplying power to the electric tool; the electric energy output end can be connected with a tool terminal of the corresponding electric tool so as to output electric energy; wherein the power circuit includes a controller configured to: and controlling the input power of the power supply device to be less than or equal to 4W under the condition that the electric energy output end is not connected with the tool terminal.
Description
Technical Field
The present application relates to a device capable of converting alternating current into direct current for use in an electric tool, and for example, to a power supply device.
Background
The working time of the tool is limited because the direct-current electric tool is powered by a mobile power supply, and in order to enable the direct-current electric tool to be powered by an alternating-current power supply in some scenes, the direct-current electric tool needs to be powered after alternating current is converted into direct-current power supply current by an adapter. The adapter is used as an intermediate conversion device connected between alternating current commercial power and a direct current electric tool, and when the adapter is not connected with the electric tool, certain energy waste can be caused by larger power consumption.
Disclosure of Invention
In order to solve the defects in the prior art, the application provides a power supply device with lower standby power consumption.
In order to achieve the above object, the present application adopts the following technical scheme:
A power supply device, comprising: the power input end is connected with an alternating current power supply; the power circuit is used for performing energy conversion on the accessed alternating current so as to obtain electric energy capable of supplying power to the electric tool; the electric energy output end can be connected with a tool terminal of the corresponding electric tool so as to output electric energy; wherein the power circuit includes a controller configured to: and controlling the input power of the power supply device to be less than or equal to 4W under the condition that the electric energy output end is not connected with the tool terminal.
In one embodiment, the controller is configured to: and controlling the input power of the power supply device to be less than or equal to 2W under the condition that the electric energy output end is not connected with the tool terminal.
In one embodiment, the controller is configured to: and controlling the input power of the power supply device to be less than or equal to 1W under the condition that the electric energy output end is not connected with the tool terminal.
In one embodiment, the power circuit further comprises a power factor correction circuit connected to the power input and a resonant circuit connected to the power output; the controller is configured to: and under the condition that the electric energy output end is not connected with the tool terminal, controlling the power factor correction circuit and the resonance circuit to enter a non-working state.
In one embodiment, the controller comprises a first control device for controlling the working state of the power factor correction circuit and a second control device for controlling the working state of the resonance circuit; and under the condition that the electric energy output end is not connected with the tool terminal, the first control device controls the power factor correction circuit to be switched to a non-working state, and the second control device controls the resonant circuit to be switched to the non-working state.
In one embodiment, the power circuit further comprises a first auxiliary power module powering up the first control device and a second auxiliary power module powering up the second control device; under the condition that the electric energy output end is not connected with the tool terminal, the first control device controls the first auxiliary power supply module to enter a low-power-consumption state, and the second control device controls the second auxiliary power supply module to enter the low-power-consumption state.
In one embodiment, the power output terminal includes a positive output terminal, a negative output terminal, and a signal terminal; the negative output terminal and the signal terminal can be shorted by a functional terminal on the power tool; the controller is configured to: and determining whether the electric energy output end is connected to the tool terminal according to the signal state of the negative electrode output terminal.
In one embodiment, the power supply device further comprises a detection device which can be matched with a corresponding device to be detected arranged on the electric tool so as to determine whether the power supply device is connected into the electric tool.
In one embodiment, the detection means comprises an electromagnetic sensor capable of transmitting a magnetic field signal to the controller; the controller is configured to determine whether the power device is connected to the power tool based on the magnetic field signal.
In one embodiment, the detection means comprises a switching element; the controller is configured to determine whether the power supply device is connected to the power tool according to a switching state of the switching element.
The application has the advantages that: when the power supply device is not connected to the electric tool, the standby power consumption of the power supply device can be reduced to be within 4W by reducing the output power of the power circuit.
Drawings
Fig. 1 is a block diagram of a power supply device in an embodiment of the present application;
fig. 2 is a block diagram of a power supply device in an embodiment of the present application;
FIG. 3 is a system diagram of a tool incorporating the power supply apparatus of FIG. 1 or FIG. 2;
fig. 4 is a power circuit diagram within the power supply device of fig. 1 or 2;
fig. 5 is a power circuit diagram within the power supply device of fig. 1 or 2;
Fig. 6 is a power circuit diagram within the power supply device of fig. 1 or 2;
Fig. 7 is a schematic diagram of the power output of the power supply device of fig. 1 or 2.
Detailed Description
Before any embodiments are explained in detail, it is to be understood that the embodiments are not limited in their application to the details of construction and the arrangement of components set forth in the following description or illustrated in the following drawings. The embodiments described herein can be practiced or carried out in a variety of different ways. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of "including," "comprising," "having" and variations thereof herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. The terms "mounted," "connected," and "coupled" are used broadly and encompass both direct and indirect mounting, connecting, and coupling. Further, "connected" and "coupled" are not restricted to physical or mechanical connections or couplings, but may include electrical connections or couplings, whether direct or indirect.
It should be noted that the embodiments described herein may be implemented using a number of hardware and software based devices as well as a number of different structural components. Furthermore, as described in subsequent paragraphs, the specific configurations illustrated in the drawings are intended to be exemplary embodiments and other configurations may be substituted. Unless otherwise indicated, the terms "controller," "control unit," "control module," "processor," "central processing unit," and "CPU" are interchangeable. The processor includes a parallel processor, a serial processor, a columnar processor, or a cloud processing configuration/cloud computing configuration.
It is to be understood that the power supply device 100 in the present application may also be referred to as an adapter, a power conversion device, or the like. In this embodiment, the power tool 200 may be a hand-held power tool, such as a drill, a pruner, a sander, or the like. Alternatively, the power tool 200 may be a table-type tool, such as a table saw, miter saw, or the like. Alternatively, the power tool 200 may be a hand propelled power tool, such as a hand propelled mower, a hand propelled snowplow. Alternatively, the power tool 200 may be a riding power tool, such as a riding lawn mower, a riding vehicle, an all-terrain vehicle, or the like. Or the power tool 200 may also be a robotic tool, such as a mowing robot, snowplow robot, or the like. In some embodiments, the power tool 200 may be an electric drill, an electric light, an electric vehicle, or the like. In some embodiments, the power tool 200 may also be a garden tool, such as a pruner, blower, mower, chain saw, or the like. Alternatively, the power tool 200 may be a decorative tool such as a screwdriver, a nail gun, a circular saw, a sander, or the like. In some embodiments, the power tool 200 may also be a vegetation care tool, such as a lawnmower, a mower, a pruner, a chainsaw, or the like. Or the power tool 200 may also be a cleaning tool such as a blower, snowplow, washer, or the like. Alternatively, the power tool 200 may be a drill-type tool, such as a drill, a screwdriver, a wrench, a hammer, or the like. Alternatively, the power tool 200 may be a saw-type tool, such as a reciprocating saw, a jig saw, a circular saw, or the like. Or the power tool 200 may also be a table-type tool such as a table saw, miter saw, metal cutting machine, electric wood-milling, or the like. Alternatively, the power tool 200 may be a sanding type tool, such as an angle grinder, sander, or the like. Or the power tool 200 may be another tool such as a lamp, a fan, or the like.
Referring to the power supply device 100 shown in fig. 1, the power supply device may include a device body 10, and a power input terminal 101 for connecting to an ac power supply and a power output terminal 102 for inputting power are respectively provided on the device body 10. Typically, the power input terminal 101 is a power plug, and the power plug can be directly connected to ac mains, for example, 220V, 200V or 240V ac. The power plug may be electrically connected to the device body 10 through a power cord. The power output 102 may be a metal terminal including a positive output terminal 1021, a negative output terminal 1022, and a communication terminal 1023 that is adapted to be coupled to a tool terminal on the power tool 200 to transmit power to the power tool 200 and to communicate with the power tool 200. In one embodiment, the power output 102 may also be USB type-A, USB type-B, USB type-C. In one embodiment, the power output 102 may be provided on the housing of the device body 10.
In one embodiment, the power circuit 11 in the device body 10 can perform power conversion on the ac power input end to obtain electric energy for the electric tool 200 to work, for example, ac-dc conversion, step-up/step-down conversion, power conversion, etc. on the ac power. In one embodiment, as shown in fig. 2, the device body 10 may include two split bodies, and the first split body 10a and the second split body 10b may be connected by a power line 10 c. The power circuit 11 is partially disposed in the first split 10a and partially disposed in the second split 10 b. In one embodiment, the power supply apparatus 100 may further include some functional accessories, such as a fan or a lighting device. In one embodiment, the first split 10a is provided with a power input 101 and the second split 10b is provided with a power output 102.
Referring to fig. 3, the power circuit 11 within the power supply apparatus 100 may include a main power module 111 and an auxiliary power module 112. The main power module 111 is connected between the power input terminal 101 and the power output terminal 102, and can output power for providing energy power for the electric tool 200. The auxiliary power module 112 can assist the main power module 111 in operation, for example, can control the operation states of different sub-modules in the main power module 111; or the auxiliary power module 112 can also provide low power electrical power to functional accessories on the power supply apparatus 100, e.g., the auxiliary power module 112 can provide power to fans, lighting devices, etc. on the power supply apparatus 100.
In one embodiment, the main power module 111 may include an ac switching device 1111, a rectifying circuit 1112, a power factor correction circuit 1113, and a resonant circuit 1114 as shown in fig. 4. The auxiliary power module 112 may include a controller 1121 and an auxiliary power module 1122, wherein the auxiliary power module 1122 is capable of converting high voltage power supplied from the power input 101 to low voltage power for use by the controller 1121. The controller 1121 can control at least one component in the main power module 111. In the present embodiment, one end of the ac switching device 1111 in the main power module 111 can be connected to the power input terminal 101, one end is connected to the rectifying circuit 1112, and the other end can be connected to the controller 1121 in the auxiliary power module 112. The rectifying circuit 1112 has an input terminal connected to the ac switching device 1111 and an output terminal connected to the pfc circuit 1113. One end of the power factor correction circuit 1113 is connected with the rectifying circuit 1112, one end is connected with the resonant circuit 1114, and one end can be connected with the controller 1121 in the auxiliary power supply module 112; one end of the resonant circuit 1114 is connected to the pfc circuit 1113, one end is connected to the power output terminal 102, and one end is connectable to the controller 1121 in the auxiliary power module 112. In one embodiment, the ac switching device 1111 may be formed of a triac or two single-phase thyristors in anti-parallel. The rectifying circuit 1112 may be a common half-wave rectifying circuit, a full-wave bridge rectifying circuit, or a pressed rectifying circuit or a variation of the above rectifying circuit, without limitation. The PFC circuit 1113, i.e., PFC circuit, may be an active PFC circuit or a passive PFC circuit, without limitation. In one embodiment, as shown in fig. 5, the rectifying circuit 1112 is not separately disposed in the main power module 111, and the PFC circuit 1113 may be a bridgeless PFC. The resonant circuit 1114 is an LLC circuit, the structure of which is not described in detail herein. In one embodiment, the resonant circuit 1114 may also be a variation of an LLC circuit. In this embodiment, the switching elements in the power factor correction circuit 1113 or the resonant circuit 1114 may be controlled by the controller 1121 in the auxiliary power module 112.
When the power supply device 100 is connected to the power tool 200, the main power module 111 may perform power conversion processing such as ac-dc conversion, buck conversion, and filtering on the input ac power and output the power supply voltage to the power tool 200. Wherein the controller 1121 in the auxiliary power module 112 is configured to control the main power module 111 to perform the above-mentioned power conversion process.
When the power supply device 100 is not connected to the power tool 200, it is necessary to reduce the power consumption of the power grid, that is, the input power of the power supply device 100 as much as possible. In this embodiment, the controller 1121 in the auxiliary power module 112 may detect whether the power output end is connected with the tool terminal, and when detecting that the tool terminal is present, control the main power module 111 to work normally, otherwise may control the pfc circuit 1113 or the resonant circuit 1114 in the main power module 111 to not work, so that the power consumption of the power supply apparatus 100 to the power grid is low. In the present embodiment, when the power supply device 100 is not connected to the power tool 200, the controller 1121 may control the input power of the power supply device 100 to be within 4W. For example, when the power supply device 100 is not connected to the power tool 200, the input power of the power supply device 100 may be 4W, 3W, 2W, 1W, 0.5W, or the like. In this embodiment, when the power factor correction circuit 1113 and the resonance circuit 1114 are not operating, both enter a low power consumption mode. That is, when the power supply device 100 is not connected to the power tool 200, the power of the ac power grid consumed by the power supply device 100 is 4W or less, that is, the power consumption of the power supply device 100 to maintain standby is 4W or less. In one embodiment, the input power of the power supply device 100 may be understood as the standby power consumption of the power supply device 100, or may be understood as the power consumption of the power circuit 11 or the input power for maintaining the standby state of the power circuit 11 when the power supply device 100 is in the standby state.
In one embodiment, as shown in fig. 6, the auxiliary power module 112 may further include a first auxiliary power module 1122a and a second auxiliary power module 1122b therein, and the controller 1121 may include a first control device 1121a and a second control device 1121b. The first auxiliary power module 1122a may power the first controller 1121a, and the second auxiliary power module 1122b may power the second controller 1121b. The first control device 1121a may control switching elements in the power factor correction circuit 1113, and the second control device 1121b may control switching elements in the resonant circuit 1114. In one embodiment, when the power device 100 is not connected to the power tool, the first control device 1121a may further control the first auxiliary power module 1122a to enter a low power consumption state, and the second control device 1121b may further control the second auxiliary power module 1122b to enter a low power consumption state.
In the present embodiment, the controller 1121 detects whether the power output 102 is connected to the tool terminal of the power tool in various manners. In one embodiment, as shown in fig. 7, the positive output terminal 1021 of the power output 102 is connected to the output of the main power module 111, the negative output terminal 1022 is connected to the output of the auxiliary power module 112, and the communication terminal 1023 is grounded. There is no electrical connection between the negative output terminal 1022 and the communication terminal 1023. In the present embodiment, a functional terminal (not shown) capable of shorting the negative electrode output terminal 1022 and the communication terminal 1023 is provided in the electric power tool 200. When the power supply device 100 is not connected to the power tool 200, the negative electrode output terminal 1022 is connected to the auxiliary power module 112, and a signal input to the controller 1121 is at a high level; when the power supply device 100 is connected to the power tool 200, the function terminal on the power tool 200 shorts the negative electrode output terminal 1022 and the communication terminal 1023, the negative electrode output terminal 1022 is grounded, and a signal input to the controller 1121 from the negative electrode output terminal 1022 is at a low level. The controller 1121 can determine whether the power output 102 is connected to the tool terminal of the power tool 200 based on the detected signal state of the negative communication terminal 1022. In the present embodiment, the negative electrode output terminal 1022 and the communication terminal 1023 of the power supply device 100 can be stacked up and down in an insulating manner, and the functional terminals of the power tool 200 can be inserted into the negative electrode output terminal 1022 and the communication terminal 1023 at the same time to short them.
In one embodiment, a detection device (not shown) may also be provided on the power supply device 100 that can cooperate with a device to be detected on the power tool 200 so that the controller 1121 can recognize the access of the power tool 200 when the power tool 200 is accessed to the power supply device 100. For example, the detection device may be an electromagnetic sensor disposed around the power output terminal 102, and the device to be detected on the power tool 200 may be a magnetic device, and when the power tool 200 is connected to the power supply device, the electromagnetic sensor may detect the magnetic device and transmit an electromagnetic signal to the controller 1121 in the power supply device 100. The electromagnetic sensor may be mounted at the power output end or at another position of the power supply device 100, as long as the electromagnetic sensor can detect the electromagnetic element when the power tool 200 is connected to the power supply device 100. In some embodiments, the detecting device may be other types of sensors, and the detecting device on the power tool 200 is a corresponding element that can be detected by the sensor, which is not listed herein.
In one embodiment, the detection device may further include a switching element that is triggered to be in a triggered state when the power supply device 100 is connected to the power tool 200, and that returns to an initial state when the power tool 200 is disconnected from the power supply device 100. The controller 1121 may detect the state of the switching element and thus determine whether the power supply apparatus 100 is connected to the host. For example, when the switching element is in the triggered state, the power supply device 100 is connected to the power tool 200, and when the switching element is in the initial state, the power supply device 100 is not connected to the power tool 200. In one embodiment, the switching element may be activated by the power tool, i.e., the power tool 200 is able to contact the switching element and activate the switch during insertion into the power device 100. In one embodiment, the switching element may be triggered by a user, i.e., the user may manually trigger the switching element when the power tool 200 is connected to the power supply device 100.
In other embodiments, the controller or other devices in the power tool 200 may recognize whether the power tool is connected to the power supply device 100, and transmit the recognition result to the power supply device 100, and if the controller 1121 in the power supply device 100 does not receive the recognition result, the power tool 200 may be considered to be connected to the power supply device 100.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A power supply device, comprising:
The power input end is connected with an alternating current power supply;
The power circuit is used for performing energy conversion on the accessed alternating current so as to obtain electric energy capable of supplying power to the electric tool;
the electric energy output end can be connected with a tool terminal of the corresponding electric tool so as to output electric energy;
It is characterized in that the power circuit comprises a controller,
The controller is configured to:
and controlling the input power of the power supply device to be less than or equal to 4W under the condition that the electric energy output end is not connected with the tool terminal.
2. The power supply apparatus of claim 1, wherein the controller is configured to:
and controlling the input power of the power supply device to be less than or equal to 2W under the condition that the electric energy output end is not connected with the tool terminal.
3. The power supply apparatus of claim 1, wherein the controller is configured to:
and controlling the input power of the power supply device to be less than or equal to 1W under the condition that the electric energy output end is not connected with the tool terminal.
4. A power supply arrangement according to any one of claims 1-3, characterized in that the power circuit further comprises a power factor correction circuit connected to the power input and a resonance circuit connected to the power output;
The controller is configured to:
And under the condition that the electric energy output end is not connected with the tool terminal, controlling the power factor correction circuit and the resonance circuit to enter a non-working state.
5. The power supply device according to claim 4, wherein,
The controller comprises a first control device for controlling the working state of the power factor correction circuit and a second control device for controlling the working state of the resonant circuit;
And under the condition that the electric energy output end is not connected with the tool terminal, the first control device controls the power factor correction circuit to be switched to a non-working state, and the second control device controls the resonant circuit to be switched to the non-working state.
6. The power supply device according to claim 5, wherein,
The power circuit further comprises a first auxiliary power supply module for powering up the first control device and a second auxiliary power supply module for powering up the second control device;
Under the condition that the electric energy output end is not connected with the tool terminal, the first control device controls the first auxiliary power supply module to enter a low-power-consumption state, and the second control device controls the second auxiliary power supply module to enter the low-power-consumption state.
7. The power supply device of claim 1, wherein the power output comprises a positive output terminal, a negative output terminal, and a signal terminal;
the negative output terminal and the signal terminal can be shorted by a functional terminal on the power tool; the controller is configured to: and determining whether the electric energy output end is connected to the tool terminal according to the signal state of the negative electrode output terminal.
8. The power supply device of claim 1, further comprising a detection device that is engageable with a corresponding device under test provided on the power tool to determine whether the power supply device is connected to the power tool.
9. The power supply device of claim 8, wherein the detection device comprises an electromagnetic sensor capable of transmitting a magnetic field signal to the controller;
the controller is configured to determine whether the power device is connected to the power tool based on the magnetic field signal.
10. The power supply device according to claim 8, wherein the detection means includes a switching element;
The controller is configured to determine whether the power supply device is connected to the power tool according to a switching state of the switching element.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211480775.4A CN118074600A (en) | 2022-11-24 | 2022-11-24 | Power supply device |
| PCT/CN2023/125915 WO2024109413A1 (en) | 2022-11-24 | 2023-10-23 | Power supply apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211480775.4A CN118074600A (en) | 2022-11-24 | 2022-11-24 | Power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118074600A true CN118074600A (en) | 2024-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211480775.4A Pending CN118074600A (en) | 2022-11-24 | 2022-11-24 | Power supply device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN118074600A (en) |
| WO (1) | WO2024109413A1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5515261A (en) * | 1994-12-21 | 1996-05-07 | Lumion Corporation | Power factor correction circuitry |
| JP6835255B2 (en) * | 2017-11-30 | 2021-02-24 | 工機ホールディングス株式会社 | DC power supply |
| CN109547721B (en) * | 2018-12-25 | 2021-06-01 | 深圳创维－Rgb电子有限公司 | Television power supply driving device and television |
| CN112311220B (en) * | 2019-07-26 | 2023-08-01 | 惠州视维新技术有限公司 | PFC control circuit and power supply control device |
| CN113726229B (en) * | 2020-05-22 | 2024-06-18 | 南京泉峰科技有限公司 | Electric tool |
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2022
- 2022-11-24 CN CN202211480775.4A patent/CN118074600A/en active Pending
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2023
- 2023-10-23 WO PCT/CN2023/125915 patent/WO2024109413A1/en unknown
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|---|---|
| WO2024109413A1 (en) | 2024-05-30 |
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