CN209857304U - Humidifier - Google Patents

Abstract

The utility model provides a humidifier, the on-line screen storage device comprises a base, the water tank, controlling means and water level detection device, the basin has been seted up on the base, the water tank can be dismantled the top of connecting in the base, and can communicate with the basin, controlling means sets up in the inside of base, water level detection device includes the work pole, float piece and two at least response pieces, the work pole is vertical to be set up in the basin, the float piece cover is located on the work pole, and can support with the water tank and lift up or descend along with the water level, two at least response pieces set up on the work pole along vertical direction interval, and with controlling means electric connection, a position for responding to the float piece. The utility model discloses an at least two response pieces and floating piece cooperation, through the change of relative position between floating piece and the response piece, controlling means not only can know the normal water level state and the water shortage state of basin, can also know the position state of water tank to solve the problem of the unable perception water tank position state of humidifier, strengthened the safety protection performance of humidifier.

Description

Humidifier

Technical Field

The utility model belongs to the technical field of domestic appliance, more specifically say, relate to a humidifier.

Background

Humidifier on the market all has water level detection device usually, a water level for detect the basin, in case the phenomenon that the water level in the basin crosses low messenger humidifier dry combustion method, however, water level detection device can only detect normal water level state and water shortage state at present, make the humidifier can't show more water level intervals, can't provide more states of user and remind, and at the in-process of in-service use, even the water tank is in idle state, perhaps child mentions the water tank when playing, if the water level in the basin is still in normal water level state, the humidifier can continue to work, aggravate the wearing and tearing of water tank easily like this, or lead to child to touch the inside device of humidifier, cause the emergence of unexpected injury.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a humidifier, including but not limited to the technical problem who solves the unable perception water tank position state of humidifier.

In order to solve the technical problem, an embodiment of the utility model provides a humidifier, including base, water tank, controlling means and water level detection device, the basin has been seted up on the base, the water tank can dismantle connect in the top of base, and can with the basin intercommunication, controlling means set up in the inside of base, water level detection device includes:

the working rod is vertically arranged in the water tank;

the floating piece is sleeved on the working rod and can be propped against the water tank and ascend or descend along with the water level; and

and the at least two induction pieces are arranged on the working rod at intervals along the vertical direction, are electrically connected with the control device and are used for inducing the position of the floating piece.

Furthermore, a water outlet valve is arranged at the bottom of the water tank, and the working rod is convexly arranged at the bottom of the water tank and used for pushing the water outlet valve to open the water outlet valve.

Furthermore, a tank cover is covered at the water outlet of the water tank in a sealing manner, and the water outlet valve is arranged on the tank cover.

Furthermore, an isolation cavity is formed in the working rod, and the sensing piece is arranged in the isolation cavity.

Furthermore, the floating part is of an annular structure, a magnetic part is annularly arranged on the floating part, and the induction part is a reed pipe.

Furthermore, the top of the working rod is provided with a limiting piece for limiting the floating piece.

Further, the holding chamber has been seted up to the inside of base, the holding chamber with the basin intercommunication, controlling means set up in the holding intracavity, the humidifier still includes:

the ultrasonic generating device is arranged in the accommodating cavity and covers the communication position between the accommodating cavity and the water tank.

Further, the bottom of basin is seted up and is used for connecting the through-hole in holding chamber, ultrasonic wave generating device includes:

and the vibration piece is covered at the bottom end of the through hole.

Furthermore, a water mist channel is formed in the water tank, and the inner end of the water mist channel faces the through hole.

Further, the humidifier further includes:

the fan is arranged in the accommodating groove, and an air outlet of the fan is arranged at the top of the base and is positioned beside the water tank.

The utility model provides a humidifier's beneficial effect lies in: the cooperation of at least two sensing parts and the floating part is adopted, the control device can know the normal water level state and the water shortage state of the water tank and also can know the position state of the water tank through the change of the relative position between the floating part and the sensing parts, so that the technical problem that the humidifier cannot sense the position state of the water tank is effectively solved, the situation that the humidifier still continues to work when the water tank is lifted by accident is prevented, the use safety protection performance of the humidifier is enhanced, and the use experience effect of a user is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic perspective view of a humidifier according to an embodiment of the present invention;

fig. 2 is a schematic partially exploded sectional view of a humidifier according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a base in a humidifier according to an embodiment of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 2;

fig. 5 is a working schematic diagram of a water level detection device in a humidifier according to an embodiment of the present invention;

fig. 6 is a schematic diagram of a water level detecting device in a humidifier according to another embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1-humidifier, 10-base, 20-water tank, 30-water level detection device, 40-ultrasonic wave generation device, 21-water outlet valve, 22-box cover, 23-handle, 31-working rod, 32-floating piece, 33-sensing piece, 34-pin, 35-limiting piece, 101-water tank, 102-containing cavity, 103-through hole, 201-water outlet, 202-water mist channel, 310-isolating cavity, 320-magnetic piece, 331/331 ' -first sensing piece, 332/332 ' -second sensing piece, 333 ' -third sensing piece, 400-oscillating piece, 500-air outlet, P1/P1 ' -first position, P2/P2 ' -second position, P3/P3 ' -third position, P4 ' -fourth position.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and operate, and thus are not to be construed as limiting the patent, and the specific meanings of the above terms will be understood by those skilled in the art according to specific situations. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.

It is right now that the utility model provides a humidifier explains.

The first embodiment is as follows:

referring to fig. 1 to 3, the humidifier 1 includes a base 10, a water tank 20, a control device (not shown) and a water level detecting device 30, wherein a water tank 101 is disposed on the base 10; the water tank 20 is detachably connected to the top of the base 10, that is, the water tank 20 can be separated from the base 10 when water needs to be added, and the water tank 20 can be communicated with the water tank 101, so that the water in the water tank 20 can flow into the water tank 101; the control device is arranged inside the base 10 and can control the humidifier 1 to operate according to a preset program; the water level detection device 30 comprises a working rod 31, a floating piece 32 and two sensing pieces 33, the working rod 31 is vertically arranged in the water tank 101, the floating piece 32 is sleeved on the working rod 31, the floating piece 32 can be abutted against the water tank 20 and can ascend or descend along with the water level of the water tank 101, the two sensing pieces 33 are arranged on the working rod 31 at intervals along the vertical direction, and the sensing pieces 33 are electrically connected with the control device and can sense the positions of the floating piece 32. Here, the control device is a controller commonly used in the field of humidifiers.

It can be understood that the operating rod 31 is disposed in the space below the highest water level of the water tank 101, the floating member 32 is limited at the outer side of the operating rod 31, and can ascend along the operating rod 31 along with the water level of the water tank 101 and descend along the operating rod 31 along with the water level descending, and the sensing member 33 can be a photoelectric sensor, a magnetoelectric sensor or a contact sensor, and can be installed on the outer wall of the operating rod 31 or inside the operating rod 31, and the like, and can be triggered to send a signal to the control device as long as the floating member 32 is sensed.

For the purpose of explaining the operation principle of the humidifier 1, the two sensing members 33 are named a first sensing member 331 and a second sensing member 332, respectively, the first sensing member 331 is located at the top side of the second sensing member 332, the second sensing member 332 has a distance from the bottom surface of the water tank 101, the distance is greater than or equal to the thickness of the floating member 32, and the position of the first sensing member 331 corresponding to the water level of the water tank 101 is named a first position P1, the position of the second sensing member 332 corresponding to the water level of the water tank 101 is named a second position P2, the position of the second sensing member 332 lower than the water level of the water tank 101 is named a third position P3, when the water tank 20 is mounted to the top of the base 10, the water in the water tank 20 flows into the water tank 101, the floating member 32 is floated by the water until the water level of the water tank 101 reaches the second position P2, the floating member 32 abuts against the bottom of the water tank 20 to stop rising, and at this time, the second sensing member 332, the second sensing part 332 feeds back a sensing signal to the control device, and the control device confirms that the water tank 101 is in a normal water level state, so that the humidifier 1 can work normally; when the humidifier 1 works normally, the water tank 20 is lifted accidentally, the floating member 32 rises along the working rod 31 under the buoyancy action of water until the water level of the water tank 101 reaches the first position P1, at this time, the first sensing member 331 senses that the floating member 32 is triggered, and the first sensing member 331 feeds a sensing signal back to the control device, and the control device confirms that the water tank 20 is in a lifted state, and the humidifier 1 stops working; when the water stored in the water tank 20 is consumed, the water level of the water tank 101 gradually decreases along with the volatilization of the water until the water level of the water tank 101 reaches the third position P3, at this time, the floating member 32 cannot be sensed by the first sensing member 331 and the second sensing member 332, the control device cannot receive the feedback of the sensing signal, the control device confirms that the water tank 101 is in a water shortage state, and the humidifier 1 stops working.

The utility model provides a humidifier 1, two response pieces 33 and the cooperation of floating piece 32 have been adopted, change through relative position between floating piece 32 and the response piece 33, controlling means not only can know basin 101 normal water level state and water shortage state, can also know water tank 20's position state, thereby the technical problem of the unable perception water tank position state of humidifier has been solved effectively, the condition emergence that the humidifier still continues work when having prevented that the water tank from being mentioned by accident, the safety in utilization protection performance of humidifier has been strengthened, user's use experience effect has been promoted.

Further, referring to fig. 4, in the present embodiment, an isolation cavity 310 is formed inside the working rod 31, and the sensing element 33 is disposed in the isolation cavity 310. Specifically, the isolation chamber 310 is completely isolated from the water tank 101, which effectively prevents the sensor 33 from being damaged due to contact with water, and thus ensures that the water level detecting device 30 can operate normally.

Further, referring to fig. 4 and 5, in this example, the floating member 32 is of an annular structure, so that the sensing member 33 can sense the floating member 32 on the same water level plane for 360 °, and the magnetic member 320 is disposed on the floating member 32, and meanwhile, the sensing member 33 is a reed pipe. Specifically, the floating member 32 and the magnetic member 320 are combined and also referred to as a magnetic float, a magnetic reed switch is disposed inside the sensing member 33, the magnetic reed switch is electrically connected to the control device through a pin 34, and when the floating member 32 rises to the first position P1 or falls to the second position P2, the magnetic member 320 may attract the magnetic reed switch in the sensing member 33 to close, thereby triggering the sensing member 33 to send a sensing signal to the control device. The reed switch and the magnetic floater are matched to detect the water level, so that the technology is mature in the field of water level detection, and has the advantages of low cost, high detection precision and the like, so that the production cost of the humidifier 1 is effectively reduced, and the reliability of water level detection is improved.

Further, referring to fig. 4, in this example, a limiting member 35 is disposed at the top of the working rod 31, specifically, the limiting member 35 may be fastened and connected to the working rod 31 by a fastener or a buckle, or the limiting member 35 and the working rod 31 are integrally formed, and a width of a widest position of the limiting member 35 is greater than an aperture of an inner hole of the floating member 32, so that the floating member 32 can be effectively prevented from being separated from the working rod 31, the floating member 32 can only lift along the working rod 31, and a relative position of the floating member 32 and the first sensing member 331 can be limited, and it is ensured that the floating member 32 does not lift beyond a sensing range of the first sensing member 331 under a normal water level.

Further, referring to fig. 2 and fig. 3, in this example, an accommodating chamber 102 is formed inside the base 10, the accommodating chamber 102 is communicated with the water tank 101, the control device is disposed in the accommodating chamber 102, the humidifier 1 further includes an ultrasonic wave generating device 40, the ultrasonic wave generating device 40 is disposed in the accommodating chamber 102, and the ultrasonic wave generating device 40 covers the communication position between the accommodating chamber 102 and the water tank 101. Specifically, the bottom of the water tank 101 is provided with a through hole 103, the accommodating cavity 102 is communicated with the water tank 101 through the through hole 103, the ultrasonic wave generating device 40 comprises a vibration sheet 400, the vibration sheet 400 is covered at the bottom end of the through hole 103 in a sealing manner, the vibration sheet 400 is contacted with water in the water tank 101 through the through hole 103, and the water in the water tank 101 is converted into water mist, so that a romantic atmosphere can be created, the volatilization speed of the water can be accelerated, and the air humidification effect can be realized; and the oscillating sheet 400 isolates the accommodating cavity 102 from the water tank 101, so that the control device is effectively prevented from being affected by damp and damaged, and the normal work of components arranged in the accommodating cavity 102 is ensured.

Further, referring to fig. 1 to 3, in this embodiment, a water mist channel 202 is formed on the water tank 20, and an inner end of the water mist channel 202 faces the through hole 103. Specifically, the water mist channel 202 penetrates the top and bottom surfaces of the water tank 20, the water tank 101 may be communicated with the outside through the water mist channel 202, and when the oscillating piece 400 converts water flowing into the through hole 103 into water mist, the water mist may be diffused into the outside air through the water mist channel 202, thereby humidifying the outside air.

Further, referring to fig. 2 and fig. 3, in this example, the humidifier 1 further includes a blower (not shown) disposed in the accommodating chamber 102, and an air outlet 500 of the blower is opened at the top of the base 10 and located beside the sink 101. When the ultrasonic wave generating device 40 is started, the blower is started together and blows air to the top side of the water tank 101, so that the air flow rate at the top side of the water tank 101 is accelerated, and the generated water mist is promoted to be rapidly diffused to the outside air through the water mist channel 202; in addition, the water mist channel 202 and the air outlet 500 of the fan are not on the same axis, namely the inner end of the water mist channel 202 is staggered with the air outlet 500 of the fan, so that water drops condensed in the water mist channel 202 are effectively prevented from dropping on the fan, and a circuit of the fan is prevented from being damped and damaged.

Further, referring to fig. 1, in this example, a handle 23 is provided on the water tank 20. Specifically, handle 23 rotates to be connected at the top of water tank 20, has seted up at the top of water tank 20 and has accomodate groove (not mark), and under the usual state, handle 23 holding is in accomodating the inslot, when water tank 20 was mentioned to needs, can follow the accomodating inslot with handle 23 and unscrew, is favorable to the user's gripping to borrow power, easily mentions water tank 20.

Example two:

referring to fig. 1 to 4, the present embodiment is substantially the same as the humidifier 1 disclosed in the first embodiment, except that: the outlet valve 21 is disposed at the bottom of the water tank 20, and meanwhile, the working rod 31 is convexly disposed at the bottom of the water tank 101, that is, the working rod 31 is integrally formed with the base 10 and extends upward from the bottom surface of the water tank 101 in the vertical direction, when the water tank 20 is mounted on the base 10, the working rod 31 can push the outlet valve 21 to open the outlet valve 21, so that the water in the water tank 20 flows into the water tank 101 from the outlet valve 21 along the working rod 31, and thus the working rod 31 is adopted to replace a top pillar of a conventional water tank, so that the structure of the humidifier 1 is more compact and more aesthetic. It will be appreciated that under normal operating conditions, the liquid level in the reservoir 101 just crosses over the outlet of the outlet valve 21, and the float member 32 is maintained in the second position P2 under the urging of the outlet valve 21. When the water tank 20 is lifted, the water in the water tank 20 continuously flows out from the water outlet valve 21, so that the water level in the water tank 101 rises until the water outlet valve 21 is separated from the operating rod 31, and under the buoyancy action of the water and the condition that the water outlet valve 21 does not abut against, the floating member 32 rises to the first position P1 along the operating rod 31, at this time, the first sensing member 331 senses that the floating member 32 is triggered, and the first sensing member 331 feeds back a sensing signal to the control device, and the control device confirms that the water tank 20 is in a lifted state.

Further, referring to fig. 2, in this example, a cover 22 is closed at the water outlet 201 of the water tank 20, and the water outlet valve 21 is disposed on the cover 22. Specifically, the water outlet 201 is arranged at the bottom of the water tank 20, the tank cover 22 is in threaded connection with the water outlet 201, and the water outlet valve 21 is arranged on the tank cover 22 in a penetrating manner, so that the number of holes formed in the water tank 20 can be reduced, the structure of the water tank 20 is simplified, the processing difficulty of the water tank 20 is reduced, and the sealing performance of the water tank 20 is improved.

Example three:

referring to fig. 6, the present embodiment is substantially the same as the humidifier 1 disclosed in the first embodiment, except that: the water level detecting apparatus includes three sensing members 33, which are a first sensing member 331 ', a second sensing member 332', and a third sensing member 333 ', respectively, the first sensing member 331', the second sensing member 332 ', and the third sensing member 333' are provided on the operating rod 31 at intervals in a vertical direction, and the second sensing member 332 ' is positioned at the top side of the third sensing member 333 ', the first sensing member 331 ' is positioned at the top side of the second sensing member 332 ', the third sensing member 333 ' has a distance from the bottom surface of the water tub 101, the interval is greater than or equal to the thickness of the floating member 32, a position of the first sensing member 331 'corresponding to the water level of the water bath 101 is named as a first position P1', a position of the second sensing member 332 'corresponding to the water level of the water bath 101 is named as a second position P2', a position of the third sensing member 333 'corresponding to the water level of the water bath 101 is named as a third position P3', and a position lower than the third sensing member 333 'corresponding to the water level of the water bath 101 is named as a fourth position P4'. When the water tank 20 is mounted on the top of the base 10, water in the water tank 20 flows into the water tank 101, then the water floats the floating member 32 until the water level of the water tank 101 reaches the second position P2 ', the floating member 32 abuts against the bottom of the water tank 20 to stop rising, at this time, the second sensing member 332 ' senses that the floating member 32 is triggered, and the second sensing member 332 ' feeds back a sensing signal to the control device, the control device confirms that the water tank 101 is in a normal water level state, and the humidifier 1 can normally work; when the humidifier 1 works normally, the water tank 20 is lifted accidentally, the floating member 32 rises along the working rod 31 under the buoyancy of water until the water level of the water tank 101 reaches the first position P1 ', at this time, the first sensing member 331 ' senses that the floating member 32 is triggered, and the first sensing member 331 ' feeds back a sensing signal to the control device, and the control device confirms that the water tank 20 is in a lifted state, and the humidifier 1 stops working; when the water stored in the water tank 20 is consumed, the water level of the water tank 101 gradually decreases along with the volatilization of the water until the water level of the water tank 101 reaches the third position P3 ', at this time, the third sensing member 333 ' senses that the floating member 32 is triggered, and the third sensing member 333 ' feeds back a sensing signal to the control device, and the control device confirms that the water tank 20 is in an unloaded state, the humidifier 1 continues to operate, and reminds a user of the need of adding water; when the water level of the water tank 101 drops to the fourth position P4 ', the first sensing member 331', the second sensing member 332 ', and the third sensing member 333' cannot sense the floating member 32, the control device cannot receive the feedback of the sensing signal, and the control device determines that the water tank 101 is in a water shortage state, and the humidifier 1 stops operating. Therefore, the humidifier 1 can detect more water level intervals, provide more state reminding for a user, improve the water level detection precision and improve the use experience effect of the user.

Of course, according to specific situations and requirements, in other embodiments of the present invention, the water level detecting device further includes four or more sensing elements 33, which are not limited herein, and the working principle thereof is similar, and therefore, the description thereof is omitted.

The above are merely examples of the present invention and are not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. Humidifier, including base, water tank, controlling means and water level detection device, the basin has been seted up on the base, the water tank can dismantle connect in the top of base, and can with the basin intercommunication, controlling means set up in the inside of base, its characterized in that, water level detection device includes:

the working rod is vertically arranged in the water tank;

the floating piece is sleeved on the working rod and can be propped against the water tank and ascend or descend along with the water level; and

and the at least two induction pieces are arranged on the working rod at intervals along the vertical direction, are electrically connected with the control device and are used for inducing the position of the floating piece.

2. The humidifier of claim 1, wherein the bottom of the water tank is provided with a water outlet valve, and the working rod is protruded from the bottom of the water tank and used for pushing the water outlet valve to open the water outlet valve.

3. The humidifier of claim 2, wherein a cover is closed over the outlet of the water tank, and the outlet valve is disposed on the cover.

4. The humidifier according to any one of claims 1 to 3, wherein an isolation chamber is formed inside the working rod, and the sensing member is disposed in the isolation chamber.

5. The humidifier of claim 4, wherein the floating member is an annular structure, the magnetic member is disposed on the floating member, and the sensing member is a reed pipe.

6. The humidifier of claim 4, wherein a top portion of the working rod is provided with a stopper for stopping the float.

7. The humidifier according to claim 5, wherein a receiving chamber is formed inside the base, the receiving chamber is communicated with the water tank, the control device is disposed in the receiving chamber, and the humidifier further comprises:

the ultrasonic generating device is arranged in the accommodating cavity and covers the communication position between the accommodating cavity and the water tank.

8. The humidifier according to claim 7, wherein a through hole for connecting the accommodating chamber is formed at a bottom of the water tank, and the ultrasonic wave generating device comprises:

and the vibration piece is covered at the bottom end of the through hole.

9. The humidifier of claim 8, wherein the water tank is provided with a water mist channel, and an inner end of the water mist channel faces the through hole.

10. The humidifier of claim 8, further comprising:

the fan is arranged in the accommodating groove, and an air outlet of the fan is arranged at the top of the base and is positioned beside the water tank.