CN210443750U - Multipurpose power socket - Google Patents
Multipurpose power socket Download PDFInfo
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- CN210443750U CN210443750U CN201921662358.5U CN201921662358U CN210443750U CN 210443750 U CN210443750 U CN 210443750U CN 201921662358 U CN201921662358 U CN 201921662358U CN 210443750 U CN210443750 U CN 210443750U
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- live wire
- thyristor
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- gear
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Abstract
The utility model provides a multipurpose power socket, which comprises a first live wire terminal, a second live wire terminal, a thyristor, at least one jack and at least one selector switch, wherein the first live wire terminal and the second live wire terminal are connected with a mains supply live wire; the thyristor driving control module is connected with the on-off control end of the thyristor; the zero line end of the jack is connected with the zero line of the commercial power. When the selector switch switches the jack live wire end to first live wire terminal, this jack does not possess the function of adjusting output, and when selector switch switched the jack live wire end to second live wire terminal, this jack possesses the function of adjusting output, can select different functions in order to adapt to different electrical apparatus according to the user's demand, has the multipurpose, and after thyristor trouble, supply socket can also continue to use, has reduced user's expenditure.
Description
Technical Field
The utility model relates to a supply socket, concretely relates to multipurpose supply socket.
Background
With the improvement of living standard of people, various household appliances have been quite extensively penetrated into residents' homes, among them, a heater, an electric fan, etc. are adjustable-gear electric appliances, so that people can adjust the gear more finely and operate more easily, and many power sockets with adjustable output power appear in the prior art, for example, a power socket with controllable output power and time is disclosed in chinese patent with publication number CN 201690063U. However, the thyristor is connected in series between the jack of the existing socket with controllable output power and the mains supply, if the socket is used for a large-current electrical appliance (such as a washing machine, an electric cooker and the like) which does not need to adjust gears, the body resistance of the thyristor can generate voltage drop and heat due to the flowing of current, and the thyristor is easy to damage in case of overheating, so that the existing socket with adjustable power is unsafe, and is inconvenient to use for the electrical appliance which does not need to adjust gears; in addition, the existing power-adjustable power socket has the problem that the socket cannot be continuously used when the thyristor is damaged because the thyristor is directly connected in series on the connection path between the jack and the mains supply.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model aims to provide a multipurpose power socket.
In order to achieve the above object of the present invention, the present invention provides a multipurpose power socket, which comprises a first live wire terminal, a second live wire terminal, a thyristor for connecting the first live wire terminal and the second live wire terminal, at least one jack, and at least one selector switch for switching live wire terminals of all or part of the jacks to connect to the first live wire terminal or the second live wire terminal;
the thyristor driving control module is connected with the on-off control end of the thyristor;
the zero line end of the jack is connected with the zero line of the commercial power.
The beneficial effects of the above technical scheme are: when the selection switch switches the jack fire wire end to the first fire wire end, the jack does not have the function of adjusting output power or voltage or current and can be externally connected with electric appliances such as a washing machine, an electric cooker and the like; when the selective switch switches the jack live wire end to the second live wire end, the jack has the function of adjusting output power or voltage or current and can be externally connected with resistive electric appliances such as a heater, an electric heater, an incandescent lamp and the like, so that the power socket can be applied to various electric appliances, a user can select switching according to needs, and the power socket has multiple purposes; in addition, when the thyristor fails, the power socket can be continuously used, so that the user expenditure is reduced.
In a preferred embodiment of the present invention, the selection switch is one, the fixed contact of the selection switch is connected to the live wire terminals of all the jacks, the first movable contact of the selection switch is connected to the first live wire terminal, the second movable contact of the selection switch is connected to the second live wire terminal, and the connection portion on the fixed contact is selectively connected to the first movable contact or the second movable contact.
The beneficial effects of the above technical scheme are: the connection paths of the live wire ends of all the jacks are switched through one selection switch, so that the circuit is simple in structure and low in cost.
In a preferred embodiment of the present invention, the selection switches correspond to the jacks one to one;
the live wire end of the jack is connected with the static contact of the corresponding selector switch;
the first movable contacts of all the selection switches are connected with the first live wire terminals, the second movable contacts are connected with the second live wire terminals, and the connecting parts on the fixed contacts can be selectively connected with the first movable contacts or the second movable contacts.
The beneficial effects of the above technical scheme are: the user can select the working mode of each jack as required, so that the socket can be simultaneously connected with resistive electric appliances such as a heater, an electric heater and an incandescent lamp with adjustable gears, and electric appliances such as a washing machine and an electric cooker without adjusting gears.
In a preferred embodiment of the present invention, the thyristor driving control module includes a processor, a zero-crossing detection circuit, a thyristor driving circuit, and a gear input unit;
the input end of the zero-crossing detection circuit is connected with a mains supply, the output end of the zero-crossing detection circuit is connected with the zero-crossing signal input end of the processor, the control signal output end of the processor is connected with the input end of the thyristor drive circuit, and the output end of the thyristor drive circuit is connected with the on-off control end of the thyristor; the output end of the gear input unit is connected with the gear signal input end of the processor.
The beneficial effects of the above technical scheme are: the zero-crossing detection circuit is used for detecting the zero crossing of the mains supply, the output zero-crossing detection signal is used as a trigger reference for triggering the thyristor to be switched on or switched off by the thyristor driving circuit, and when the thyristor needs to be switched on, the thyristor is switched on only when the voltage of the mains supply is detected to be zero crossing, so that the pollution of harmonic waves generated by controlling the output power to a power grid by controlling the conduction angle of the thyristor in the traditional mode can be avoided; the user can input a required power gear through the gear input unit.
The utility model discloses an in the preferred embodiment, gear input unit is wireless signal receiving unit, and wireless signal receiving unit receives the wireless communication signal of remote controller, and wireless signal receiving unit's output connects the gear signal input of treater.
The beneficial effects of the above technical scheme are: the power gear of the jack can be remotely controlled through the remote controller, manual adjustment is not needed, and the operation is simple and convenient.
The utility model discloses an in the preferred embodiment, still include the buzzer circuit who carries out sound prompt after the wireless communication signal of receiving the remote controller, the start-up end of buzzer circuit is connected with the buzzer control end of treater.
The beneficial effects of the above technical scheme are: remote control operation is prompted through the buzzer, man-machine interaction is facilitated, and user experience is improved.
The utility model discloses an in the preferred embodiment, still include gear indicating unit, gear indicating unit's the start-up end is connected with the instruction signal output part of treater.
The beneficial effects of the above technical scheme are: the output power gear of the current jack can be intuitively obtained through the gear indicating unit, and user experience is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a system block diagram of a preferred embodiment of the present invention;
FIG. 2 is a system block diagram of another preferred embodiment of the present invention;
FIG. 3 is a partial system block diagram of yet another preferred embodiment of the present invention;
FIG. 4 is a circuit diagram of a processor connection according to a preferred embodiment of the present invention;
fig. 5 is a connection circuit diagram of a zero-crossing detection circuit according to a preferred embodiment of the present invention;
fig. 6 is a circuit diagram of the connection between the thyristor driving circuit and the thyristor according to a preferred embodiment of the present invention;
fig. 7 is a circuit diagram of a buzzer circuit according to a preferred embodiment of the present invention;
FIG. 8 is a circuit diagram of a gear indicating unit according to a preferred embodiment of the present invention;
fig. 9 is a circuit diagram of a wireless receiving unit according to a preferred embodiment of the present invention;
fig. 10 is a schematic structural diagram of a preferred embodiment of the present invention.
Reference numerals:
1 a first fire wire terminal; 2 a second fire wire terminal; 3, a selection switch; 31 a connecting part; 4, inserting holes; 5, inserting a wire head; 6a control housing; 7 a socket body; 9, a remote controller; 10 gear indication unit.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The utility model discloses a multipurpose power socket, as shown in fig. 1 and fig. 2, in a preferred embodiment, the power socket comprises a first live wire terminal 1 connected with a mains live wire, a second live wire terminal 2, a thyristor connected with the first live wire terminal 1 and the second live wire terminal 2, at least one jack 4, and at least one selector switch 3 for switching live wire terminals of all or part of the jacks 4 to be connected to the first live wire terminal 1 or the second live wire terminal 2;
the thyristor driving control module is connected with the on-off control end of the thyristor;
the zero line end of the jack 4 is connected with the zero line of the commercial power.
In the present embodiment, the first and second live terminals 1 and 2 are preferably, but not limited to, in the form of a high current connection socket or a conductor post or a large pad.
In the present embodiment, the selection switch 3 is preferably, but not limited to, a conventional one-knife-two-throw toggle switch or a push switch.
In this embodiment, the thyristor is a high-current thyristor, the conduction control terminal of the thyristor is a gate of the thyristor, and the thyristor is preferably, but not limited to, unidirectional or bidirectional, and is preferably, but not limited to, a bidirectional thyristor with model number BTA16_ 600B.
In the present embodiment, one or more selection switches 3 may be provided, and one selection switch 3 may control switching of the connection paths of the live wire terminals of all the jacks 4, or each of a plurality of selection switches 3 may control switching of the connection paths of the live wire terminals of one jack 4.
In the present embodiment, the selection switch 3 can switch the connection path of the live wire ends of one part of the jacks 4, and the live wire ends of the other part of the jacks 4 are directly connected with the first live wire connection terminal 1 or the second live wire connection terminal 2 and are not switchable.
In a preferred embodiment, as shown in fig. 1, the number of the selector switches 3 is one, the fixed contacts of the selector switches 3 are respectively connected with the live wire terminals of all the jacks 4, the first movable contact of the selector switch 3 is connected with the first live wire terminal 1, the second movable contact of the selector switch 3 is connected with the second live wire terminal 2, and the connecting part 31 on the fixed contact is selectively connected with the first movable contact or the second movable contact.
In this embodiment, the selector switch 3 has a hand-held portion, and the connection portion 31 on the fixed contact can be connected to the first movable contact or the second movable contact by operating the hand-held portion in a manner of toggling, pressing, or the like, so that when the connection portion 31 on the fixed contact is connected to the first movable contact by operating the hand-held portion, the live wire terminals of all the jacks 4 are connected to the first live wire terminal 1, that is, the output powers of all the jacks 4 are not adjustable, and when the connection portion 31 on the fixed contact is connected to the second movable contact by operating the hand-held portion, the live wire terminals of all the jacks 4 are connected to the second live wire terminal 2, that is, the output powers of all the jacks 4 can be adjusted by the thyristor drive control module.
In a preferred embodiment, as shown in fig. 2, the selector switches 3 are in one-to-one correspondence with the jacks 4;
the live wire end of the jack 4 is connected with the static contact of the corresponding selector switch 3;
the first movable contact of all the selection switches 3 is connected with the first live wire terminal 1, the second movable contact is connected with the second live wire terminal 2, and the connecting part 31 on the fixed contact is selectively connected with the first movable contact or the second movable contact.
In the present embodiment, each selector switch 3 controls the switching of the connection paths of the live wire ends of only one jack 4; the connection paths of the live wire ends of all the jacks 4 can be switched at will according to the needs of users, and can be all the same or all different or not all the same, and the specific switching principle of the selector switch 3 can be seen from the description of the above preferred embodiment, and will not be described again here.
In a preferred embodiment, as shown in fig. 3, the thyristor drive control module includes a processor, a zero-crossing detection circuit, a thyristor drive circuit, and a shift input unit;
the input end of the zero-crossing detection circuit is connected with a mains supply, the output end of the zero-crossing detection circuit is connected with the zero-crossing signal input end of the processor, the control signal output end of the processor is connected with the input end of the thyristor drive circuit, and the output end of the thyristor drive circuit is connected with the on-off control end of the thyristor; the output end of the gear input unit is connected with the gear signal input end of the processor.
In this embodiment, the processor is preferably, but not limited to, a single chip microcomputer or an MCU, for example, a single chip microcomputer with model number STC89C52RC, and its minimum system circuit diagram is shown in fig. 4.
In the present embodiment, as shown in fig. 5, the zero-cross detection circuit includes an eleventh resistor R11, a twelfth resistor R12, a zero-cross detection chip U2, a photo-coupler P1, and a tenth resistor R10;
one end of the eleventh resistor R11 is connected with a live wire of the mains supply, and the other end of the eleventh resistor R11 is connected with a first alternating current input end of the zero-crossing detection chip U2;
one end of a twelfth resistor R12 is connected with a mains supply zero line, and the other end of the twelfth resistor R12 is connected with a second alternating current input end of the zero-crossing detection chip U2;
the zero-crossing detection chip U2 is connected with the photoelectric coupler P1 in a common ground mode, the output end of the zero-crossing detection chip U2 is connected with the input end of the photoelectric coupler P1, the output end of the photoelectric coupler P1 is connected with an INT0 interrupt pin of the processor, and the INT0 interrupt pin serves as a zero-crossing signal input end of the processor. The tenth resistor R10 serves as a pull-up resistor at the output terminal of the photocoupler P1, and has one end connected to the power supply terminal VCC and the other end connected to the output terminal of the photocoupler P1.
The photocoupler P1 is preferably, but not limited to, the option P521.
In the present embodiment, a circuit diagram of a connection between the thyristor drive circuit and the thyristor is shown in fig. 6, and the thyristor drive circuit includes a fifth resistor R5, an optocoupler relay M2, and a second resistor R2;
connect the first end of fifth resistance R5 with the P3.5 pin of treater as the control signal output part of treater, the second end of fifth resistance R5 is connected with opto-coupler relay M2's second pin, the power end VCC is connected to opto-coupler relay M2's first pin, the gate pole of thyristor is connected as thyristor drive circuit's output to opto-coupler relay M2's 4 th pin, the first end and the first live wire connecting terminal 1 of second resistance are connected respectively to the first end of thyristor, the second end of thyristor connects the commercial power live wire.
The optocoupler relay M2 is preferably, but not limited to, an optocoupler relay model MOC 3020.
Preferably, a fuse is connected between the first live wire connecting terminal 1 and the live wire of the mains supply in series, and the fuse can be selected from 3x 10/6A.
In the present embodiment, the gear input unit is preferably, but not limited to, a key, a keyboard, a knob, a potentiometer, or the like.
In this embodiment, a specific method and principle of the processor receiving the input signal of the gear input unit to perform the gear adjustment of the output power is the prior art, for example, refer to the prior art with the publication number CN201690063U, and are not described herein again.
In a preferred embodiment, as shown in fig. 3 and 9, the gear input unit is a wireless signal receiving unit, the wireless signal receiving unit receives a wireless communication signal of the remote controller 9, and an output end of the wireless signal receiving unit is connected with a gear signal input end of the processor.
In this embodiment, the wireless signal receiving unit is preferably, but not limited to, a radio frequency remote control communication unit, a bluetooth communication unit, a WIFI communication unit, or the like. The processor is connected with the output end of the wireless signal receiving unit through a pin P3.3 as a gear signal input end of the processor.
In this embodiment, the wireless signal receiving unit may also be a light receiving unit, and the remote controller is provided with a light emitting unit, so that when the remote controller is used, the light emitting unit emits light waves to the light receiving unit, and the light receiving unit receives the light waves and then outputs an electrical signal to the gear signal input end of the processor.
In a preferred embodiment, as shown in fig. 7, the wireless communication device further comprises a buzzer circuit for performing sound prompt after receiving the wireless communication signal of the remote controller, and the start end of the buzzer circuit is connected with the buzzer control end of the processor.
In this embodiment, the buzzer circuit includes a ninth resistor R9, a transistor Q1, and a buzzer B1, the P2.6 pin of the processor is used as the buzzer control terminal of the processor and is connected to the first terminal of the ninth resistor R9, the second terminal of the ninth resistor R9 is connected to the base of the transistor Q1, the emitter of the transistor Q1 is connected to the power supply terminal VCC, and the relay of the transistor Q1 is connected to the power supply terminal of the buzzer B1.
In the present embodiment, the processor controls the buzzer to sound once after receiving the wireless signal output by the remote controller 9, where the related method or process is the prior art, for example, refer to the technical solution disclosed in the patent document with the publication number CN204901859U, and no further description is given here.
In a preferred embodiment, as shown in fig. 8, the gear position indicating unit 10 is further included, and an activation end of the gear position indicating unit 10 is connected with an indication signal output end of the processor.
In this embodiment, the gear indication unit 10 preferably includes LED lamps corresponding to the gears one to one, anodes of all the LED lamps are connected to the power supply terminal VCC, cathodes of all the LED lamps are respectively connected to different I/O pins of the processor, and a current limiting resistor is connected in series to a connection path between a cathode of an LED lamp and an I/O pin, as shown in fig. 8. Preferably, when a certain gear is selected, the processor lights the LED lamp corresponding to the gear, and turns off other LED lamps, where the related algorithm or process is the prior art, for example, refer to the technical solution disclosed in the patent document with the publication number CN103207576B, and no further description is given here.
In a preferred embodiment, the socket further comprises a socket body 7 and a connection structure for connecting the socket body 7 with a commercial power jack;
In the present embodiment, it is preferable that the socket body 7 is opened with a through hole for exposing the gear indication unit 10, so that the user can observe the current gear.
In a preferred embodiment, the connecting structure is a plug with a cable;
or the connecting structure is a contact pin group which is arranged on the socket body 7 and is matched and connected with the commercial power jack.
In this embodiment, through contact pin group link for this supply socket can be located places such as wall, is convenient for adjust and operate the gear, also is convenient for observe current gear. The pin group may be 3 pins or 2 pins, and preferably, the pin group is provided with a fixing end for fixing and positioning the pin, and the fixing end is rotatably connected with the socket body 7. The pin group is preferably provided on the back surface of the socket body 7.
In a preferred embodiment, as shown in fig. 10, the socket further includes a socket body 7, a plug 5 with a cable for connecting the socket body 7 and a commercial power jack, and a control housing 6 disposed on the cable of the plug 5;
the jack 4 is positioned on the upper surface of the socket body 7, and the thyristor drive control module is arranged in the control shell 6;
all or part of the first live wire terminal 1, the second live wire terminal 2, the thyristor and the buzzer circuit are positioned in the socket body 7 or the control shell 6;
the selector switch 3 is located on the socket body 7 or on the control housing 6, and the gear indication unit 10 is located on the socket body 7 or on the control housing 6.
In this embodiment, through set up control housing 6 on the cable of plug wire head 5, be convenient for adjust the gear and observe the gear on control housing 6, need not to bow the action, improved user experience.
The utility model discloses an in being applied to scene of resistance wire formula room heater, supply socket mainly comprises commercial power plug (plug), control housing 6, remote controller etc. and select switch 3, thyristor drive control module arrange inside control housing 6, be equipped with on socket ontology 7 with electrical apparatus plug connection's jack 4. The actual output power of the warmer can be controlled, a gear control mode is adopted, the larger the gear is, the higher the output power of the warmer is, and the gears can be remotely controlled through a radio frequency remote controller.
In the application scenario, when the thyristor drive control module outputs a signal to enable the thyristor to be conducted, the jack 4 is powered on, and when the output signal enables the thyristor to be cut off, the jack 4 is powered off. 2-10 gears can be designed according to needs, and the socket is provided with a gear indication. And when receiving a signal of the remote controller, the buzzer on the socket sends out a buzzing sound. The zero-crossing detection circuit is used for providing triggering reference for triggering of the thyristor, and when the thyristor needs to be conducted, the thyristor is conducted only when the voltage of the mains supply is detected to be zero.
In the application scenario, after the wireless receiving unit receives the gear signal of the remote controller, the single chip microcomputer serving as the processor triggers the thyristor to be switched on or switched off as required through the thyristor driving circuit, and the method specifically comprises the following steps: the number of conducted mains supply half cycles of the thyristor in each fixed period T (the period T is integral multiple of 220V alternating current mains supply half cycle T) corresponds to the gear, the larger the gear is, the more the number of conduction is, and the larger the actual output power of the warmer on the jack 4 is. For example, when the power socket is designed with 10 gears, the period T may be designed to be 10 times of the mains half period T, and for 50 hz mains, the mains half period T is 0.01 seconds, and then the period T is 0.1 seconds, that is, the period T is 10 mains half periods T, when the current gear is 3 gears, the mains half period number conducted in each period T is 3, and at this time, the output power of the warmer is 0.3 times of the full power. In the application scene, the warmer can output various powers, and a user can select the appropriate power according to the needs; the radio frequency remote controller is adopted for remote control, so that the device is non-directional and convenient to control; the thyristor may be switched on only when the voltage of the mains supply crosses zero, so that no harmonics are generated in the grid.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A multipurpose power socket is characterized by comprising a first live wire terminal, a second live wire terminal, a thyristor, at least one jack and at least one selection switch, wherein the first live wire terminal and the second live wire terminal are connected with a mains supply live wire;
the thyristor driving control module is connected with the on-off control end of the thyristor;
the zero line end of the jack is connected with the zero line of the commercial power.
2. The multipurpose power supply socket according to claim 1, wherein the number of the selection switches is one, the fixed contacts of the selection switches are respectively connected with the live wire terminals of all the jacks, the first movable contact of the selection switches is connected with the first live wire terminal, the second movable contact of the selection switches is connected with the second live wire terminal, and the connecting portion on the fixed contacts is selectively connected with the first movable contact or the second movable contact.
3. The multi-purpose power outlet of claim 1 wherein the selection switches are in one-to-one correspondence with the receptacles;
the live wire end of the jack is connected with the static contact of the corresponding selector switch;
the first movable contacts of all the selection switches are connected with the first live wire terminals, the second movable contacts are connected with the second live wire terminals, and the connecting parts on the fixed contacts can be selectively connected with the first movable contacts or the second movable contacts.
4. The multipurpose power outlet according to claim 1, wherein the thyristor drive control module includes a processor, a zero-crossing detection circuit, a thyristor drive circuit, and a gear input unit;
the input end of the zero-crossing detection circuit is connected with a mains supply, the output end of the zero-crossing detection circuit is connected with the zero-crossing signal input end of the processor, the control signal output end of the processor is connected with the input end of the thyristor drive circuit, and the output end of the thyristor drive circuit is connected with the on-off control end of the thyristor; the output end of the gear input unit is connected with the gear signal input end of the processor.
5. The multipurpose power socket as claimed in claim 4, wherein the gear input unit is a wireless signal receiving unit, the wireless signal receiving unit receives a wireless communication signal from a remote controller, and an output terminal of the wireless signal receiving unit is connected to the gear signal input terminal of the processor.
6. The multipurpose power socket as claimed in claim 5, further comprising a buzzer circuit for providing an audible prompt upon receiving a wireless communication signal from a remote controller, wherein the start terminal of the buzzer circuit is connected to the buzzer control terminal of the processor.
7. The multipurpose power outlet according to claim 4, further comprising a gear indicating unit, wherein an activation terminal of the gear indicating unit is connected to an indication signal output terminal of the processor.
8. The multipurpose power supply socket according to any one of claims 1 to 7, further comprising a socket body, and a connecting structure for connecting the socket body with a commercial power jack;
the jack, the gear prompting unit and the selection switch are located on the socket body, and the first live wire terminal, the second live wire terminal, the thyristor, the buzzer circuit and the thyristor drive control module are located inside the socket body.
9. The multi-purpose power receptacle of claim 8, wherein the connecting structure is a plug with a cable;
or the connecting structure is a contact pin group which is arranged on the socket body and is matched and connected with the commercial power jack.
10. The multipurpose power supply socket according to any one of claims 1 to 7, further comprising a socket body, a plug with a cable connecting the socket body with a commercial power jack, and a control housing provided on the cable of the plug;
the jacks are positioned on the upper surface of the socket body, and the thyristor drive control module is arranged in the control shell;
all or part of the first live wire terminal, the second live wire terminal, the thyristor and the buzzer circuit are positioned in the socket body or the control shell;
the selection switch is positioned on the socket body or the control shell, and the gear indication unit is positioned on the socket body or the control shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921662358.5U CN210443750U (en) | 2019-09-29 | 2019-09-29 | Multipurpose power socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921662358.5U CN210443750U (en) | 2019-09-29 | 2019-09-29 | Multipurpose power socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210443750U true CN210443750U (en) | 2020-05-01 |
Family
ID=70411285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921662358.5U Expired - Fee Related CN210443750U (en) | 2019-09-29 | 2019-09-29 | Multipurpose power socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210443750U (en) |
-
2019
- 2019-09-29 CN CN201921662358.5U patent/CN210443750U/en not_active Expired - Fee Related
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