CN217789577U - Motor self-locking circuit, system and clothes airing equipment - Google Patents
Motor self-locking circuit, system and clothes airing equipment Download PDFInfo
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- CN217789577U CN217789577U CN202221768660.0U CN202221768660U CN217789577U CN 217789577 U CN217789577 U CN 217789577U CN 202221768660 U CN202221768660 U CN 202221768660U CN 217789577 U CN217789577 U CN 217789577U
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Abstract
The utility model relates to a machine control field especially relates to a motor self-locking circuit, system and clothing equipment that dries in air. A motor self-locking circuit comprising: a first switch assembly; a second switch assembly; and the processing module is respectively connected with the first switch assembly and the second switch assembly and is used for switching on the first output end and the third output end and switching on the fourth output end and the sixth output end when the motor stops rotating. Under the system outage condition or the motor stall condition, make the reversal input end and the switching-on of corotation input end of motor through first switch module and second switch module, form closed circuit, at this moment, there is induced electromotive force in the motor, induced electromotive force operation can't be overcome in the condition of outage to the motor, realize the motor auto-lock, the switching-on condition that only needs the adjustment switch module can lock the motor, and easy operation, the accommodation is wide, simultaneously can not be restricted and physical structure, do not have the noise.
Description
Technical Field
The utility model relates to a machine control field especially relates to a motor self-locking circuit, system and clothing equipment that dries in air.
Background
The electric clothes airing machine needs to be lifted in the actual use process and can be automatically locked at a specified height. At present, self-locking of a clothes airing machine generally depends on a mechanical self-locking method or a reverse voltage self-locking method. The mechanical self-locking mainly depends on a gear box, a pressure angle of a worm shaft, a one-way friction ring and the like; applying a reverse voltage applies a reverse low voltage to the drive motor that prevents the motor from running down.
However, the method of self-locking through a mechanical structure in the foregoing is limited in physical structure, noise is generated at the same time, and a phenomenon of insufficient self-locking force often occurs, or sometimes the self-locking force is sufficient when the device is just used, and after a period of time, the self-locking force is reduced after the friction force is reduced, so that the clothes airing machine slips; the above-described method of applying a reverse voltage is generally suitable only for the power-on state, and once power is off, the method does not work.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing prior art, an object of the utility model is to provide a motor self-locking circuit, system and clothes and luggage that dries in air equipment can realize the self-locking power of motor power-off state, do not influence the normal work of motor simultaneously again.
In order to achieve the purpose, the utility model adopts the following technical proposal:
in one aspect, the utility model provides a motor self-locking circuit, include:
a first switch assembly having a first output terminal, a second output terminal, and a third output terminal; the first output end is connected with a positive rotation input end of the motor, the second output end is connected with the driving power supply, and the third output end is connected with the grounding circuit; in a power-off state, the first output end is connected with the third output end;
a second switch assembly having a fourth output terminal, a fifth output terminal, and a sixth output terminal; the fourth output end is connected with a reverse rotation input end of the motor, the fifth output end is connected with the driving power supply, and the sixth output end is connected with the grounding circuit and the third output end; in a power-off state, the fourth output end is connected with the sixth output end;
and the processing module is respectively connected with the first switch assembly and the second switch assembly and is used for switching on the first output end and the third output end and switching on the fourth output end and the sixth output end when the motor stops running.
Further, the first switch assembly includes a first relay having a first normally closed switch and a first normally open switch;
one end of the first normally closed switch is the first output end or is connected with the first output end, and the other end of the first normally closed switch is the third output end or is connected with the third output end;
one end of the first normally open switch is the first output end or is connected with the first output end, and the other end of the first normally open switch is the second output end or is connected with the second output end;
the second switch assembly comprises a second relay having a second normally closed switch and a second normally open switch;
one end of the second normally-closed switch is the fourth output end or is connected with the fourth output end, and the other end of the second normally-closed switch is the sixth output end or is connected with the sixth output end;
one end of the second normally open switch is the fourth output end or is connected with the fourth output end, and the other end of the second normally open switch is the fifth output end or is connected with the fifth output end.
Further, the first switch assembly comprises a first association switch and a second association switch which are respectively connected with the processing module;
one end of the first correlation switch is the first output end or is connected with the first output end, and the other end of the first correlation switch is the third output end or is connected with the third output end;
one end of the second correlation switch is the first output end or is connected with the first output end, and the other end of the second correlation switch is the second output end or is connected with the second output end;
in a power-off state, the first associated switch is in an open state, and the second associated switch is in a closed state;
the second switch assembly comprises a third correlation switch and a fourth correlation switch which are respectively connected with the processing module;
one end of the third correlation switch is the fourth output end or is connected with the fourth output end, and the other end of the third correlation switch is the sixth output end or is connected with the sixth output end;
one end of the fourth correlation switch is the fourth output end or is connected with the fourth output end, and the other end of the fourth correlation switch is the fifth output end or is connected with the fifth output end;
and in a power-off state, the third associated switch is in an open state, and the fourth associated switch is in a closed state.
Further, the grounding circuit comprises a first resistor; one end of the first resistor is connected with a line of the sixth output end connected with the third output end, and the other end of the first resistor is grounded.
Further, the device also comprises a detection circuit; the detection circuit comprises a second resistor, one end of the second resistor is connected with the sixth output end and a line after the third output end is connected, and the other end of the second resistor is connected with the processing module.
Further, a protection circuit is further arranged between the second resistor and the processing module; the protection circuit comprises a double-diode ESD protection unit and a protection capacitor; one end of the protection capacitor is connected with the processing module, and the other end of the protection capacitor is grounded.
On the other hand, the utility model provides a motor self-locking system, including arbitrary motor self-locking circuit.
On the other hand, the utility model provides a clothes airing device, which comprises a motor self-locking circuit;
the motor self-locking circuit comprises:
a first switch assembly having a first output terminal, a second output terminal, and a third output terminal; the first output end is connected with a positive rotation input end of the motor, the second output end is connected with the driving power supply, and the third output end is connected with the grounding circuit; in a power-off state, the first output end is connected with the third output end;
a second switch assembly having a fourth output terminal, a fifth output terminal, and a sixth output terminal; the fourth output end is connected with a reverse rotation input end of the motor, the fifth output end is connected with a driving power supply, and the sixth output end is connected with a grounding circuit and the third output end; in a power-off state, the fourth output end is connected with the sixth output end;
and the processing module is respectively connected with the first switch assembly and the second switch assembly and is used for switching on the first output end and the third output end and switching on the fourth output end and the sixth output end when the motor stops running.
Further, the first switch assembly includes a first relay having a first normally closed switch and a first normally open switch;
one end of the first normally closed switch is the first output end or is connected with the first output end, and the other end of the first normally closed switch is the third output end or is connected with the third output end;
one end of the first normally open switch is the first output end or is connected with the first output end, and the other end of the first normally open switch is the second output end or is connected with the second output end;
the second switch assembly comprises a second relay having a second normally closed switch and a second normally open switch;
one end of the second normally-closed switch is the fourth output end or is connected with the fourth output end, and the other end of the second normally-closed switch is the sixth output end or is connected with the sixth output end;
one end of the second normally open switch is the fourth output end or is connected with the fourth output end, and the other end of the second normally open switch is the fifth output end or is connected with the fifth output end.
Further, the first switch assembly comprises a first association switch and a second association switch which are respectively connected with the processing module;
one end of the first correlation switch is the first output end or is connected with the first output end, and the other end of the first correlation switch is the third output end or is connected with the third output end;
one end of the second correlation switch is the first output end or is connected with the first output end, and the other end of the second correlation switch is the second output end or is connected with the second output end;
in a power-off state, the first associated switch is in an open state, and the second associated switch is in a closed state;
the second switch assembly comprises a third correlation switch and a fourth correlation switch which are respectively connected with the processing module;
one end of the third correlation switch is the fourth output end or is connected with the fourth output end, and the other end of the third correlation switch is the sixth output end or is connected with the sixth output end;
one end of the fourth correlation switch is the fourth output end or is connected with the fourth output end, and the other end of the fourth correlation switch is the fifth output end or is connected with the fifth output end;
and in a power-off state, the third associated switch is in an open state, and the fourth associated switch is in a closed state.
Compared with the prior art, the utility model provides a pair of motor self-locking circuit, system and clothing equipment that dries in air has following beneficial effect:
use the utility model provides a motor self-locking circuit, under the system outage condition or under the motor stall condition, reverse rotation input and the switching-on of corotation input through first switch module and second switch module messenger motor, form closed circuit, at this moment, there is induced electromotive force in the motor, induced electromotive force operation can't be overcome to the motor in the condition of outage, realize the motor auto-lock, the switch-on condition that only needs the adjustment switch module can the locking motor, and is easy to operate, and the accommodation is wide, can not be restricted and physical structure simultaneously, and there is not the noise.
Drawings
Fig. 1 is a block diagram of a motor self-locking circuit provided by the present invention.
Fig. 2 is a structural diagram of an embodiment of the motor self-locking circuit provided by the present invention.
Fig. 3 is a structural diagram of an embodiment of the motor self-locking circuit provided by the present invention.
Fig. 4 is a structural diagram of an embodiment of the motor self-locking circuit provided by the present invention.
Fig. 5 is a circuit diagram of the motor interface circuit applied to the motor self-locking circuit provided by the present invention.
Detailed Description
In order to make the purpose, technical solution and effect of the present invention clearer and clearer, the following description refers to the accompanying drawings and examples to further explain the present invention in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It is to be understood by one of ordinary skill in the art that the foregoing general description and the following detailed description are exemplary and explanatory of specific embodiments of the invention, and are not intended as limitations on the invention.
The terms "comprises," "comprising," or any other variation thereof, herein are intended to cover a non-exclusive inclusion, such that a process or method that comprises a list of steps does not include only those steps, but may include other steps not expressly listed or inherent to such process or method. Likewise, without further limitation, one or more devices or subsystems, elements or structures or components beginning with "comprising. The appearances of the phrases "in one embodiment," "in another embodiment," and similar language throughout this specification may, but do not necessarily, all refer to the same embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Referring to fig. 1-2, the present invention provides a motor self-locking circuit, which is suitable for a motor for lifting or lowering an airing rod in an airing device, a driving motor for a rolling door, etc., and can realize self-locking when the motor is not operated.
The motor self-locking circuit comprises:
a first switch assembly having a first output terminal, a second output terminal, and a third output terminal; the first output end is connected with the forward rotation input end of the motor, the second output end is connected with the driving power supply, and the third output end is connected with the grounding circuit; in a power-off state, the first output end is connected with the third output end; specifically, in the first switch component, either the first output end is connected with the second output end or the first output end is connected with the third output end, that is, either the positive rotation input end of the motor is connected with the driving power supply, and at the moment, the motor is in a positive rotation working state or the motor stops positive rotation.
In this embodiment, as long as the system is in the power-off state, no matter what kind of working state the first switch component is in, the first output end and the third output end are both guaranteed to be connected.
A second switch assembly having a fourth output terminal, a fifth output terminal, and a sixth output terminal; the fourth output end is connected with a reverse rotation input end of the motor, the fifth output end is connected with a driving power supply, and the sixth output end is connected with a grounding circuit and the third output end; in a power-off state, the fourth output end is connected with the sixth output end; specifically, the function of the second switch assembly is similar to that of the first switch assembly, and details are not repeated, and in this embodiment, the second switch assembly is used to control whether the motor is reversely rotated.
Further, in general, the positive rotation input end of the motor is a connection positive electrode of the motor, and the negative rotation input end of the motor is a connection negative electrode of the motor.
And the processing module is respectively connected with the first switch assembly and the second switch assembly and is used for switching on the first output end and the third output end and switching on the fourth output end and the sixth output end when the motor stops rotating. Specifically, the processing module may use a processor specifically applied in the device, and the processor is preferably a CPU or an MCU.
Further, when the first output terminal is connected to the second output terminal during operation of the system, the fourth output terminal cannot be connected to the fifth output terminal, and vice versa.
When the motor needs to rotate forwards, the first output end is communicated with the second output end, and at the moment, the fourth output end is communicated with the sixth output end.
When the motor needs to rotate reversely, the fourth output end is connected with the fifth output end, and at the moment, the first output end is connected with the third output end.
Use the utility model provides a motor self-locking circuit, under the system outage condition or under the motor stall condition, reverse rotation input and the switching-on of corotation input through first switch module and second switch module messenger motor, form closed circuit, at this moment, there is induced electromotive force in the motor, induced electromotive force operation can't be overcome to the motor in the condition of outage, realize the motor auto-lock, the switch-on condition that only needs the adjustment switch module can the locking motor, and is easy to operate, and the accommodation is wide, can not be restricted and physical structure simultaneously, and there is not the noise.
Further, referring to fig. 3, as a preferred solution, in this embodiment, the first switch assembly includes a first relay having a first normally closed switch and a first normally open switch;
one end of the first normally closed switch is the first output end or is connected with the first output end, and the other end of the first normally closed switch is the third output end or is connected with the third output end;
one end of the first normally open switch is the first output end or is connected with the first output end, and the other end of the first normally open switch is the second output end or is connected with the second output end. That is, in this embodiment, the normally closed switch and the normally open switch on one relay are used to realize the connection problem between the first output terminal, the second output terminal, and the third output terminal, and the following is realized: the relay is under the outage state, and first normally closed switch is the closed state, and first normally open switch is the open mode, and after the relay goes up the electricity, first normally closed switch is opened, and first normally open switch is closed, can realize above-mentioned technical characteristics, and convenient and fast as long as control first relay whether go up the electricity can.
Further, as a preferable scheme, in this embodiment, the second switch assembly includes a second relay having a second normally closed switch and a second normally open switch;
one end of the second normally-closed switch is the fourth output end or is connected with the fourth output end, and the other end of the second normally-closed switch is the sixth output end or is connected with the sixth output end;
one end of the second normally open switch is the fourth output end or is connected with the fourth output end, and the other end of the second normally open switch is the fifth output end or is connected with the fifth output end. Specifically, the using principle of the second relay is the same as that of the first relay, and is not described herein again.
Referring to fig. 5, fig. 5 is a motor interface circuit of a motor self-locking circuit according to the present invention, wherein the motor interface circuit is connected to a motor through a connecting member CN 1; under the outage state, the motor forms closed circuit through first normally closed switch REL1 and second normally closed switch REL2, because the motor has induced electromotive force, just need overcome induced electromotive force to make the motor rotate when the outage, has increased the self-locking power promptly. When the motor needs to work, the relay control circuit is used for controlling the first relay JQC1 to work, for example, to realize the forward rotation of the motor, the first normally closed switch REL1 is controlled to be opened, meanwhile, the first normally open switch (not marked) is closed, so that the forward rotation input end of the motor is connected with a driving power supply, and at the moment, the second normally closed switch REL2 is still in a normally closed state to form a closed loop, so that the motor rotates forwards; the motor is required to be reversed, the second relay JQC2 is controlled to work, the second normally closed switch REL2 is controlled to be opened, the second normally open switch (unidentified) is closed, the reverse input end of the motor is connected with a driving power supply, the first normally closed switch REL1 is still in a normally closed state at the moment, a closed loop is formed, and the motor reverses.
Further, as a preferable scheme, in this embodiment, the power supply further includes a third relay having a third normally-closed switch, and the third relay is powered by the system power supply; namely, as long as the system is powered on, the third normally closed switch is in an open state, as long as the system is powered off, the third normally closed switch is in a closed state, and no matter whether other equipment works normally, the self-locking state of the motor is guaranteed under the condition that the system is powered off.
One end of the third normally closed switch is connected with the forward rotation input end of the motor, and the other end of the third normally closed switch is connected with the reverse rotation input end of the motor.
Further, please refer to fig. 4, as a preferred scheme, in this embodiment, the first switch component includes a first correlation switch and a second correlation switch respectively connected to the processing module; specifically, the first related switch and the second related switch are preferably the same controlled switch, that is, a switch device capable of changing a connection state according to a driving signal of the processing module. Meanwhile, the first associated switch and the second associated switch are not closed or opened at the same time, so that the normal circuit is ensured.
One end of the first correlation switch is the first output end or is connected with the first output end, and the other end of the first correlation switch is the third output end or is connected with the third output end;
one end of the second correlation switch is the first output end or is connected with the first output end, and the other end of the second correlation switch is the second output end or is connected with the second output end;
and in the power-off state, the first associated switch is in an open state, and the second associated switch is in a closed state. That is, in this embodiment, the first switch assembly includes two related switches, wherein one end of the first related switch and one end of the second related switch are connected to form a first output end, or both are connected to the first output end, that is, to the positive rotation input end of the motor, and the other end of the first related switch is connected to the sixth output end of the second switch assembly. At this time, the first correlation switch and the second correlation switch are both directly driven by the processing module, and the processing module drives the correlation switches to operate according to the working principle.
Further, as a preferable solution, in this embodiment, the second switch assembly includes a third correlation switch and a fourth correlation switch respectively connected to the processing module;
one end of the third correlation switch is the fourth output end or is connected with the fourth output end, and the other end of the third correlation switch is the sixth output end or is connected with the sixth output end;
one end of the fourth correlation switch is the fourth output end or is connected with the fourth output end, and the other end of the fourth correlation switch is the fifth output end or is connected with the fifth output end;
and in a power-off state, the third associated switch is in an open state, and the fourth associated switch is in a closed state. Specifically, the third correlation switch and the fourth correlation switch are respectively identical to the first correlation switch and the second correlation switch in operation principle, and are not described herein again.
Further, referring to fig. 5, as a preferred solution, in this embodiment, the grounding circuit includes a first resistor R1; one end of the first resistor R1 is connected with a line of the sixth output end connected with the third output end, and the other end of the first resistor R1 is grounded.
Further, the device also comprises a detection circuit; the detection circuit comprises a second resistor R2, one end of the second resistor R2 is connected with the sixth output end and the line after the third output end is connected, and the other end of the second resistor R2 is connected with the processing module. The processing module can detect the running current of the motor, the working state of the motor at the moment is conveniently determined, and further secondary data (such as the weight of clothes hung on the drying rod) which can be obtained through the running current of the motor are obtained after the current is detected.
Further, a protection circuit is further arranged between the second resistor R2 and the processing module; the protection circuit comprises a double-diode ESD protection unit (composed of diodes D1 and D2) and a protection capacitor C1; and one end of the protection capacitor C1 is connected with the processing module, and the other end of the protection capacitor C1 is grounded. The processing module can be protected.
Correspondingly, the utility model also provides a motor auto-lock system, including aforementioned arbitrary embodiment motor self-lock circuit.
Correspondingly, the utility model also provides a clothes airing device, which comprises a motor self-locking circuit;
the motor self-locking circuit comprises:
a first switch assembly having a first output terminal, a second output terminal, and a third output terminal; the first output end is connected with a positive rotation input end of the motor, the second output end is connected with the driving power supply, and the third output end is connected with the grounding circuit; in a power-off state, the first output end is connected with the third output end;
a second switch assembly having a fourth output terminal, a fifth output terminal, and a sixth output terminal; the fourth output end is connected with a reverse rotation input end of the motor, the fifth output end is connected with the driving power supply, and the sixth output end is connected with the grounding circuit and the third output end; in a power-off state, the fourth output end is connected with the sixth output end;
and the processing module is respectively connected with the first switch assembly and the second switch assembly and used for switching on the first output end and the third output end and switching on the fourth output end and the sixth output end when the motor stops.
And under the motor running state, the first output end is communicated with the second output end or the fourth output end is communicated with the fifth output end.
Further, in this embodiment, preferably, the first switch assembly includes a first relay having a first normally closed switch and a first normally open switch;
one end of the first normally closed switch is the first output end or is connected with the first output end, and the other end of the first normally closed switch is the third output end or is connected with the third output end;
one end of the first normally open switch is the first output end or is connected with the first output end, and the other end of the first normally open switch is the second output end or is connected with the second output end;
the second switch assembly comprises a second relay having a second normally closed switch and a second normally open switch;
one end of the second normally-closed switch is the fourth output end or is connected with the fourth output end, and the other end of the second normally-closed switch is the sixth output end or is connected with the sixth output end;
one end of the second normally open switch is the fourth output end or is connected with the fourth output end, and the other end of the second normally open switch is the fifth output end or is connected with the fifth output end.
Further, as a preferable solution, in this embodiment, the first switch component includes a first correlation switch and a second correlation switch respectively connected to the processing module;
one end of the first correlation switch is the first output end or is connected with the first output end, and the other end of the first correlation switch is the third output end or is connected with the third output end;
one end of the second correlation switch is the first output end or is connected with the first output end, and the other end of the second correlation switch is the second output end or is connected with the second output end;
in a power-off state, the first associated switch is in an open state, and the second associated switch is in a closed state;
the second switch assembly comprises a third correlation switch and a fourth correlation switch which are respectively connected with the processing module;
one end of the third correlation switch is the fourth output end or is connected with the fourth output end, and the other end of the third correlation switch is the sixth output end or is connected with the sixth output end;
one end of the fourth correlation switch is the fourth output end or is connected with the fourth output end, and the other end of the fourth correlation switch is the fifth output end or is connected with the fifth output end;
and in a power-off state, the third associated switch is in an open state, and the fourth associated switch is in a closed state.
It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.
Claims (10)
1. A motor self-locking circuit, comprising:
a first switch assembly having a first output terminal, a second output terminal, and a third output terminal; the first output end is connected with a positive rotation input end of the motor, the second output end is connected with the driving power supply, and the third output end is connected with the grounding circuit; in a power-off state, the first output end is connected with the third output end;
a second switch assembly having a fourth output terminal, a fifth output terminal, and a sixth output terminal; the fourth output end is connected with a reverse rotation input end of the motor, the fifth output end is connected with the driving power supply, and the sixth output end is connected with the third output end; in a power-off state, the fourth output end is connected with the sixth output end;
and the processing module is respectively connected with the first switch assembly and the second switch assembly and is used for switching on the first output end and the third output end and switching on the fourth output end and the sixth output end when the motor stops running.
2. The motor crowbar circuit of claim 1 wherein the first switch assembly comprises a first relay having a first normally closed switch and a first normally open switch;
one end of the first normally closed switch is the first output end or is connected with the first output end, and the other end of the first normally closed switch is the third output end or is connected with the third output end;
one end of the first normally open switch is the first output end or is connected with the first output end, and the other end of the first normally open switch is the second output end or is connected with the second output end;
the second switch assembly comprises a second relay having a second normally closed switch and a second normally open switch;
one end of the second normally-closed switch is the fourth output end or is connected with the fourth output end, and the other end of the second normally-closed switch is the sixth output end or is connected with the sixth output end;
one end of the second normally open switch is the fourth output end or is connected with the fourth output end, and the other end of the second normally open switch is the fifth output end or is connected with the fifth output end.
3. The motor self-locking circuit according to claim 1, wherein the first switch assembly comprises a first associated switch and a second associated switch respectively connected to the processing module;
one end of the first correlation switch is the first output end or is connected with the first output end, and the other end of the first correlation switch is the third output end or is connected with the third output end;
one end of the second correlation switch is the first output end or is connected with the first output end, and the other end of the second correlation switch is the second output end or is connected with the second output end;
in a power-off state, the first associated switch is in an open state, and the second associated switch is in a closed state;
the second switch assembly comprises a third correlation switch and a fourth correlation switch which are respectively connected with the processing module;
one end of the third correlation switch is the fourth output end or is connected with the fourth output end, and the other end of the third correlation switch is the sixth output end or is connected with the sixth output end;
one end of the fourth correlation switch is the fourth output end or is connected with the fourth output end, and the other end of the fourth correlation switch is the fifth output end or is connected with the fifth output end;
and in a power-off state, the third associated switch is in an open state, and the fourth associated switch is in a closed state.
4. The electric machine self-locking circuit of claim 1, wherein the ground circuit comprises a first resistor; one end of the first resistor is connected with a line of the sixth output end connected with the third output end, and the other end of the first resistor is grounded.
5. The motor self-locking circuit according to claim 4, further comprising a detection circuit; the detection circuit comprises a second resistor, one end of the second resistor is connected with the sixth output end and the line after the third output end is connected, and the other end of the second resistor is connected with the processing module.
6. The motor self-locking circuit according to claim 5, further comprising a protection circuit between the second resistor and the processing module; the protection circuit comprises a double-diode ESD protection unit and a protection capacitor; one end of the protection capacitor is connected with the processing module, and the other end of the protection capacitor is grounded.
7. A motor self-locking system, characterized by comprising a motor self-locking circuit according to any one of claims 1 to 6.
8. A clothes airing device is characterized by comprising a motor self-locking circuit;
the motor self-locking circuit comprises:
a first switch assembly having a first output terminal, a second output terminal, and a third output terminal; the first output end is connected with the forward rotation input end of the motor, the second output end is connected with the driving power supply, and the third output end is connected with the grounding circuit; in a power-off state, the first output end is connected with the third output end;
a second switching assembly having a fourth output terminal, a fifth output terminal, and a sixth output terminal; the fourth output end is connected with a reverse rotation input end of the motor, the fifth output end is connected with a driving power supply, and the sixth output end is connected with a grounding circuit and the third output end; in a power-off state, the fourth output end is connected with the sixth output end;
and the processing module is respectively connected with the first switch assembly and the second switch assembly and is used for switching on the first output end and the third output end and switching on the fourth output end and the sixth output end when the motor stops rotating.
9. The clothes drying apparatus of claim 8, wherein the first switch assembly includes a first relay having a first normally closed switch and a first normally open switch;
one end of the first normally closed switch is the first output end or is connected with the first output end, and the other end of the first normally closed switch is the third output end or is connected with the third output end;
one end of the first normally open switch is the first output end or is connected with the first output end, and the other end of the first normally open switch is the second output end or is connected with the second output end;
the second switch assembly comprises a second relay having a second normally closed switch and a second normally open switch;
one end of the second normally-closed switch is the fourth output end or is connected with the fourth output end, and the other end of the second normally-closed switch is the sixth output end or is connected with the sixth output end;
one end of the second normally open switch is the fourth output end or is connected with the fourth output end, and the other end of the second normally open switch is the fifth output end or is connected with the fifth output end.
10. The clothes drying apparatus of claim 8, wherein the first switch assembly includes a first associated switch and a second associated switch connected to the processing module, respectively;
one end of the first correlation switch is the first output end or is connected with the first output end, and the other end of the first correlation switch is the third output end or is connected with the third output end;
one end of the second correlation switch is the first output end or is connected with the first output end, and the other end of the second correlation switch is the second output end or is connected with the second output end;
in a power-off state, the first associated switch is in an open state, and the second associated switch is in a closed state;
the second switch assembly comprises a third correlation switch and a fourth correlation switch which are respectively connected with the processing module;
one end of the third correlation switch is the fourth output end or is connected with the fourth output end, and the other end of the third correlation switch is the sixth output end or is connected with the sixth output end;
one end of the fourth correlation switch is the fourth output end or is connected with the fourth output end, and the other end of the fourth correlation switch is the fifth output end or is connected with the fifth output end;
and in a power-off state, the third associated switch is in an open state, and the fourth associated switch is in a closed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221768660.0U CN217789577U (en) | 2022-07-07 | 2022-07-07 | Motor self-locking circuit, system and clothes airing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221768660.0U CN217789577U (en) | 2022-07-07 | 2022-07-07 | Motor self-locking circuit, system and clothes airing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217789577U true CN217789577U (en) | 2022-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221768660.0U Active CN217789577U (en) | 2022-07-07 | 2022-07-07 | Motor self-locking circuit, system and clothes airing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217789577U (en) |
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