CN113944039A

CN113944039A - Clothes dryer door lock control method and clothes dryer

Info

Publication number: CN113944039A
Application number: CN202010680204.XA
Authority: CN
Inventors: 孟庆川; 杨景利; 鞠斌; 刘庆伟; 刘健伟; 侯昆; 白江飞
Original assignee: Qingdao Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2022-01-18
Anticipated expiration: 2040-07-15
Also published as: WO2022012359A1; CN113944039B

Abstract

The invention discloses a clothes dryer door lock control method and a clothes dryer, belonging to the technical field of clothes treatment, wherein the clothes dryer door lock control method comprises the following steps: when the clothes dryer starts to work, whether the load weight is larger than the preset weight is judged, if yes, the door lock is controlled to be in a locked state, and if not, the door lock is controlled to be in an unlocked state. The clothes dryer is controlled by the clothes dryer door lock control method. If the load weight is smaller than the preset weight, the clothes are fewer, the door lock is controlled to be in an unlocked state, and a user can take and place the clothes conveniently; if the load weight is larger than the preset weight and more clothes are represented, the door lock is controlled to be in a locked state, and the clothes are prevented from jacking the door body.

Description

Clothes dryer door lock control method and clothes dryer

Technical Field

The invention relates to the technical field of clothes treatment, in particular to a clothes dryer door lock control method and a clothes dryer.

Background

The clothes dryer mainly comprises a door, a shell, a roller for placing clothes, an air path, a heating element, a control system and the like, and at present, except the clothes dryer for drying the clothes by a heat pump system, the clothes are dried by heating by electric heating elements; the air with the ambient temperature is changed into high-temperature air through the heating element and enters the roller, the high-temperature drying air exchanges heat with wet clothes in the roller and is changed into wet and hot air with relatively low temperature and discharged out of the roller, and the clothes can achieve the drying effect after circulation for a certain time.

Since the drying process is different from the washing process, water is not stored in the drum when the drying process is performed, and thus, a user can open the door of the dryer to take and put the laundry during the execution of the drying process. Generally, in the working process of the clothes dryer, the door body is in an unlocking state and can be opened at any time. However, when the clothes in the clothes dryer are too much, the door of the clothes dryer can be pushed open, which affects the normal operation of the clothes drying process.

Disclosure of Invention

The invention aims to provide a clothes dryer door lock control method and a clothes dryer, and aims to solve the technical problems that in the prior art, when the clothes dryer is not locked, the clothes dryer can be pushed open by clothes, and the clothes dryer is inconvenient for a user to take and place the clothes.

As the conception, the technical scheme adopted by the invention is as follows:

a clothes dryer door lock control method comprises the following steps:

when the clothes dryer starts to work, whether the load weight is larger than the preset weight is judged, if yes, the door lock is controlled to be in a locked state, and if not, the door lock is controlled to be in an unlocked state.

And when the load weight is greater than the preset weight, controlling the door lock to be in a locked state.

Wherein the detecting the load weight comprises: and detecting the state of the door body, and detecting the load weight once if the door body is opened and closed within a first set time length.

And if the door body is opened and is not closed after exceeding a first set time, triggering an alarm device.

Wherein the detecting the load weight comprises: the load weight is detected once every second set period of time.

Wherein the door lock is openable by an unlocking mechanism when the door lock is in a locked state and energized.

Wherein the door lock can be opened by an emergency mechanism when the door lock is in a locked state and powered off.

And in the working process of the clothes dryer, if the power is off, the power is supplied to the door lock through a storage battery in the clothes dryer.

Wherein the state of the door lock is indicated by an indicator light, the indicator light having a plurality of colors.

A clothes dryer is controlled by the clothes dryer door lock control method.

The invention has the beneficial effects that:

according to the clothes dryer door lock control method, when the clothes dryer starts to work, the load weight is judged, if the load weight is smaller than the preset weight and clothes are fewer, the door lock is controlled to be in an unlocked state, and a user can take and place the clothes conveniently; if the load weight is larger than the preset weight and more clothes are represented, the door lock is controlled to be in a locked state, and the clothes are prevented from jacking the door body.

Drawings

Fig. 1 is a schematic structural view of a dryer provided in an embodiment of the present invention;

FIG. 2 is a schematic view of a front panel and a lock body of a clothes dryer provided by an embodiment of the invention;

FIG. 3 is a schematic structural view of the back side of FIG. 2;

FIG. 4 is a first view of a portion of the structure of FIG. 2;

FIG. 5 is a second partial schematic structural view of FIG. 2;

fig. 6 is a schematic structural diagram of a lock body according to an embodiment of the present invention;

figure 7 is a schematic diagram of the lock body of figure 6;

figure 8 is a side view of the lock body of figure 7.

In the figure:

10. a housing; 11. a front panel;

20. a door body;

30. a door lock; 31. a lock body; 32. a claw; 33. a slider;

341. a coil; 342. a moving member; 343. an adapter;

351. a trigger; 352. a pull rod; 3521. a projection; 353. pulling a rope; 354. a slide shaft.

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 or similar 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 illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Referring to fig. 1 to 5, an embodiment of the present invention provides a clothes dryer, including a casing 10 and a door 20, where the casing 10 includes a front panel 11, the front panel 11 is provided with a clothes input opening, a drum is located in the casing 10, and the clothes input opening faces an inner cavity of the drum; the clothes throwing opening is provided with a door body 20 for closing or opening the clothes throwing opening, one side of the door body 20 is hinged with the front panel 11, and the other side of the door body 20 is locked or unlocked with the front panel 11 through a door lock 30.

The door lock 30 includes a lock body 31 and a door hook, the lock body 31 is disposed on the back of the front panel 11, the door hook is disposed on the inner side of the door body 20, a locking portion for inserting and locking the door hook is disposed on the lock body 31, an insertion hole is disposed on the front panel 11 corresponding to the locking portion, the front end of the locking portion penetrates through the insertion hole and protrudes out of the outer surface of the front panel 11, and the door hook can be inserted into the locking portion through the insertion hole.

Referring to fig. 6 to 8, a claw 32 is arranged in the locking portion, the claw 32 is rotatably connected with the lock body 31, and when the door hook is inserted into the locking portion, the claw 32 can be clamped with the door hook to prevent the door hook from being pulled out. Specifically, a support shaft is arranged on the lock body 31, and the claw 32 is connected with the support shaft through a torsion spring. One side of the jaw 32 is provided with a slider 33, and the slider 33 moves in a straight line to push one end of the jaw 32, so that the jaw 32 rotates around the support shaft.

The lock body 31 is provided with an unlocking mechanism which is controlled by current and can drive the sliding block 33 to move. Specifically, the unlocking mechanism includes coil 341, moving member 342 and adaptor 343, and coil 341 and lock body 31 are fixed to be set up, and under the drive of coil 341, moving member 342 can stretch out and retract along the straight line, and adaptor 343 and moving member 342 fixed connection, the inclined plane cooperation between adaptor 343 and the slider 33, and then drive slider 33 and remove.

The moving part 342 is connected with a compression spring, when the coil 341 is in a positive power-on state, the moving part 342 extends out to drive the adaptor 343 to move, the adaptor 343 transmits the motion to the sliding block 33, so that the sliding block 33 pushes the jaws 32 to rotate, the jaws 32 are locked, and the spring connected with the sliding block 33 is compressed at the moment.

In the sudden power off state, the moving member 342 cannot retract by itself due to the action of the compression spring, and the claw 32 is always caught on the door hook. In the reverse powered state of the coil 341, the mover 342 can be retracted.

The unlocking mechanism further comprises an unlocking button, the unlocking button is arranged on the surface of the shell 10 of the clothes dryer, the coil 341 can be electrified reversely by pressing the unlocking button, the coil 341 drives the moving piece 342 to retract, the sliding block 33 is further reset, the claw 32 is separated from the door hook, and the door body 20 can be opened at the moment. The specific working principle of the unlocking button is the prior art.

The clothes dryer further comprises an emergency mechanism, the emergency mechanism comprises a trigger component 351, a pull rod 352, a pull rope 353 and a sliding shaft 354, the sliding shaft 354 is fixedly connected with the front panel 11, the pull rope 353 is wound on the sliding shaft 354, the sliding shaft 354 plays a role in guiding and supporting the pull rope 353, one end of the pull rope 353 is connected with the trigger component 351, the other end of the pull rope 353 is connected with the pull rod 352, and the pull rod 352 is connected with the lock body 31. Can drive stay cord 353 through trigger 351 and remove, and then drive pull rod 352 and remove, be provided with bulge 3521 on pull rod 352, bulge 3521 can stretch into and trigger moving member 342 in the lock body 31 for moving member 342 retracts.

Specifically, the trigger 351 includes a slide button and a spring, the slide button is slidably connected to the front panel 11, and by pulling the slide button, the pull rod 352 can be pulled by the pull rope 353, and when the slide button is released, the pull rod is reset under the action of the spring.

The slide button is arranged at the bottom of the front panel 11 to prevent children from mistakenly touching the slide button. The setting of spring for only exert for the certain external force of slide button, just can drive slide button and slide, in order to prevent that children from bumping by mistake, can increase the rigidity of spring.

The embodiment of the invention provides a method for controlling a clothes dryer door lock 30, which comprises the following steps:

when the clothes dryer starts to work, whether the load weight is larger than the preset weight is judged, if yes, the door lock 30 is controlled to be in a locking state, and if not, the door lock 30 is controlled to be in an unlocking state.

If the load weight is smaller than the preset weight, which indicates that the clothes are less, the door lock 30 is controlled to be in an unlocked state, so that a user can take and place the clothes conveniently; if the load weight is greater than the preset weight, which indicates that more clothes are present, the door lock 30 is controlled to be in a locked state, so as to prevent the clothes from pushing the door body 20.

The load weight can be detected by the existing sensor, and is not described herein again. The door lock 30 is controlled to be in the locked state, i.e. the control coil 341 is energized, so that the claws 32 are locked with the door hook. The control door lock 30 is in the unlocked state, i.e. the control coil 341 is energized in the opposite direction, so that the pawl 32 is disengaged from the hook.

It can be known that the state of the door lock 30 is controlled in the embodiment when the door 20 is closed, and the state of the door lock 30 does not exist when the door 20 is opened.

And detecting the load weight when the door lock 30 is in the unlocked state and the dryer is in the working process, and controlling the door lock 30 to be in the locked state when the load weight is greater than the preset weight. Since the user may add laundry into the dryer during the operation of the dryer, so that the load weight changes, the load weight needs to be detected again, and when the laundry exceeds the preset weight, the door lock 30 is controlled to be in a locked state, so as to prevent the laundry from pushing the door body 20.

The detected load weight may be: and detecting the state of the door body 20, and detecting the load weight once if the door body 20 is opened and closed within a first set time length. When the clothes dryer starts to work, the load weight is detected once, the state of the door body 20 can be detected in the working process of the clothes dryer, if the door body 20 is opened, a user can add or take clothes away, and after the door body 20 is opened and closed, the load weight is detected once so as to control the state of the door lock 30.

If the door body 20 is opened and is not closed after the first set time length, the alarm device is triggered. The first set time period is set, so that the user may open the door body 20 for a long time, and the clothes drying process is not stopped and the clothes drying effect is influenced.

The opening of the door 20 during the operation of the clothes dryer mentioned in the present embodiment means that the clothes drying process is not suspended, i.e. the door 20 is opened during the operation of the clothes drying process. When the plurality of clothes machines receive the pause instruction and detect that the door body 20 is opened, the alarm device does not need to be triggered when the first set time length is exceeded.

The detection load weight may also be: the load weight is detected once every second set time interval so as to know the change of the load weight in time. Of course, if the detected load weight is greater than the preset weight, the door lock 30 needs to be controlled to be in the locked state when the door body 20 is closed.

In general, the dryer can always perform the drying process to the end without detecting the load weight during the operation of the dryer with the door lock 30 in the locked state.

According to the actual configuration of the dryer, when the condition allows, the load weight is detected when the door lock 30 is in the locked state and the dryer is in operation, and when the load weight is less than the preset weight, the door lock 30 is controlled to be in the unlocked state. Since the laundry is dried as the dryer operates, the weight of the laundry is reduced, and at this time, the user can be allowed to add the laundry again.

When the door lock 30 is in the unlocked state, the user can directly pull the door body 20, so that the door hook is separated from the locking portion.

When the door lock 30 is in the locked state and is energized, the door lock 30 can be opened by the unlocking mechanism. Namely, by pressing the unlocking button, the coil 341 can be controlled to be reversely electrified, so that the moving member 342 retracts to drive the adaptor 343 to move, the slider 33 resets under the action of the spring, and the claw 32 rotates under the action of the torsion spring to be separated from the door hook.

In the case where the door lock 30 is in the locked state and the power is turned off, the door lock 30 can be opened by the emergency mechanism. Namely, by pulling the slide button, the pull rod 352 can be pulled by the pull rope 353, so that the protrusion 3521 on the pull rod 352 extends into the lock body 31 to trigger the moving member 342, the moving member 342 retracts, the slider 33 resets under the action of the spring, and the claw 32 is disengaged from the door hook under the action of the torsion spring.

Example two

For the sake of simplicity, only the differences between the second embodiment and the first embodiment will be described. The clothes dryer is characterized in that a storage battery is arranged in the clothes dryer, if the clothes dryer is powered off in the working process, the storage battery in the clothes dryer supplies power to the door lock 30, so that the door lock 30 is in a power-on state, and at the moment, if the door lock 30 is locked, the door lock 30 can be unlocked through the unlocking mechanism.

Of course, the battery is not limited to supplying power to the door lock 30, and the battery may supply power to the entire dryer so that the drying process is continued.

The clothes dryer is provided with the indicating lamp, the power supply mode is indicated through the indicating lamp, a user can know whether power supply or storage battery power supply is achieved according to the color of the indicating lamp, the user can operate the clothes dryer in time, and under the condition of power supply of the storage battery, the user can stop a clothes drying program or reduce the time for drying clothes so as to prevent the electricity in the storage battery from being exhausted.

The indicator light can indicate different power supply modes through different colors.

In the working process of the clothes dryer, if the electric quantity in the storage battery is exhausted, namely the clothes dryer is powered off, the door body 20 can be opened through the emergency mechanism at the moment.

EXAMPLE III

For the sake of simplicity, only the points of difference between the third embodiment and the first embodiment will be described. The difference is that the dryer is provided with an indicator light, and the state of the door lock 30 is indicated through the indicator light. The user can know the state of the door lock 30 according to the indicator light, so that the user can operate the door lock conveniently. When the user knows that the dryer is in the unlocked state, the door 20 can be opened to add or take the clothes if necessary. When the user knows that the clothes dryer is in the locked state, the door body 20 cannot be opened under the unnecessary condition, and the door body 20 can be opened through the unlocking mechanism under the necessary condition.

The indicator light has a plurality of colors, and the user can know the state of the door lock 30 according to the color of the indicator light. Alternatively, a plurality of indicator lights may be provided, each indicator light corresponding to a different status, and the user may know the status of the door lock 30 according to the opened indicator light.

The indicating lamp can indicate the locking state and the unlocking state, wherein the locking state can be divided into a battery power supply locking state and a power supply locking state, and the unlocking state can be divided into a battery power supply unlocking state and a power supply unlocking state, so that a user can know the working condition of the clothes dryer in time.

The embodiment of the invention also provides a clothes dryer, which is controlled by adopting the control method of the clothes dryer door lock 30. Not only be convenient for the user to get and put the clothing, can also prevent that the clothing from pushing open the door body 20, and can open the door through emergency mechanism under emergency for user convenient to use.

The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the invention, which changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A clothes dryer door lock control method is characterized by comprising the following steps:

2. The dryer door lock control method according to claim 1, wherein a load weight is detected while the door lock is in an unlocked state and the dryer is in operation, and the door lock is controlled to be in a locked state when the load weight is greater than a preset weight.

3. The dryer door lock control method of claim 2, wherein the detecting the load weight includes: and detecting the state of the door body, and detecting the load weight once if the door body is opened and closed within a first set time length.

4. The clothes dryer door lock control method according to claim 3, characterized in that if the door body is opened and is not closed for more than a first set time period, an alarm device is triggered.

5. The dryer door lock control method of claim 2, wherein the detecting the load weight includes: the load weight is detected once every second set period of time.

6. The dryer door lock control method of claim 1, wherein the door lock can be opened by an unlocking mechanism in a state where the door lock is in a locked state and is powered on.

7. The dryer door lock control method of claim 1, wherein the door lock can be opened by an emergency mechanism in case the door lock is in a locked state and power is off.

8. The dryer door lock control method according to claim 1, wherein an indicator lamp is provided on the dryer, and the state of the door lock can be indicated by the indicator lamp.

9. The dryer door lock control method according to any one of claims 1 to 8, wherein the door lock is powered by a battery inside the dryer if power is cut off during the operation of the dryer.

10. Clothes dryer characterized by being controlled by the clothes dryer door lock control method according to any one of claims 1 to 9.