CN220625453U - Water level monitoring device and humidifying equipment - Google Patents

Abstract

The utility model provides a water level monitoring device and humidifying equipment, which comprises a floating piece, a limiting plate, a shading vertical plate and a grating assembly, wherein the floating piece is arranged in a water tank; the limiting plate is arranged above the water tank along the horizontal direction; the shading vertical plate is in sliding fit with the limiting plate and is arranged up and down corresponding to the floating piece; the grating assembly comprises a plurality of grating seats, each grating seat is provided with a through cavity, and the cavity walls on two sides of the through cavity are respectively provided with an emitter electrode and a receiving electrode. According to the water level monitoring device provided by the utility model, the upward-moving lifting shading vertical plate of the floating piece in the water tank is utilized to move upwards, so that the grating signals emitted from the emitter electrode to the receiving electrode on the grating seat are shielded by the shading vertical plate, and the water level height in the water tank is judged through the on-off of the grating signals, so that the water level height is monitored in real time conveniently, the monitoring accuracy and reliability are improved, and the running stability of equipment is improved.

Description

Water level monitoring device and humidifying equipment

Technical Field

The utility model belongs to the technical field of equipment water level monitoring, and particularly relates to a water level monitoring device and humidity regulating equipment.

Background

The existing humidifier or dehumidifier has the function of automatically monitoring the water level, the humidifier can avoid the problem of equipment water shortage by monitoring the water level, and the dehumidifier can judge the dehumidification effect by monitoring the water level.

The common water level switch is three, one is a mode of combining a floating ball and a mechanical micro switch, the micro switch is acted by the upward buoyancy of the floating ball, and the floating ball provides a small working force value for the micro switch, so that the problems of low monitoring precision and insufficient production stability are caused; the second type adopts a magnetic buoy and reed pipe combination mode, the reed pipe is set at the alarm water level position of the highest water level and the lowest water level, whether the water level reaches the set position of the reed pipe is judged by the suction of the reed pipe, but the structure can only judge the fixed water level position and has a certain limitation; thirdly, adopt the mode of water level conductive needle affirmation water level, the water level conductive needle rust easily for a long time under high humidity environment, appear contacting failure's problem, or appear because of the contact has the monitoring inefficacy that water led to, therefore above-mentioned monitoring mode monitoring effect is insensitive and unreliable, has influenced the normal use of equipment.

Disclosure of Invention

The utility model aims to provide a water level monitoring device and a humidifying device, which can accurately monitor the water level through a simple structure, improve the sensitivity and reliability of monitoring and ensure the normal use of the device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: there is provided a water level monitoring apparatus comprising:

the floating piece is arranged in the water tank, can move upwards under the action of the buoyancy of the water body and penetrates through the top wall of the water tank;

the limiting plate is arranged above the water tank along the horizontal direction;

the light shielding vertical plate penetrates through the limiting plate along the up-down direction and is in sliding fit with the limiting plate, and the light shielding vertical plate and the floating piece are correspondingly arranged up and down;

the grating assembly comprises a plurality of grating seats which are arranged in the chassis at intervals along the up-down direction, each grating seat is provided with a through cavity which is penetrated up and down and is arranged towards the shading vertical plate, two side cavity walls of each through cavity are respectively provided with an emitter and a receiving electrode, and each receiving electrode is used for receiving grating signals emitted by the emitter and generating grating parameters;

the light shielding vertical plate can move upwards to the through cavity of the grating seat under the lifting action of the floating piece so as to block grating signals.

In one possible implementation, the inner top wall of the water tank is provided with a plurality of limiting claws extending downwards and positioned at the periphery of the floating member.

In some embodiments, the float is a cylindrical member, three limit claws are distributed on the periphery of the float, and the limit claws are provided with arc-shaped surfaces in sliding fit with the peripheral wall of the float.

In some embodiments, a rib plate extending along the up-down direction of the plate surface is arranged between the limit claw and the inner top wall of the water tank, and the rib plate is positioned at the outer side of the limit claw.

In some embodiments, the lower end of the limiting claw is provided with a supporting part protruding towards the axis side of the floating piece, and the supporting part can be supported below the floating piece to limit the downward movement range of the floating piece.

In one possible implementation, the top of the float is provided with an extension post extending upwardly and extending through the top wall of the tank, the extension post being in sliding engagement with the top wall of the tank, the outer diameter of the extension post being smaller than the outer diameter of the float.

In some embodiments, the bottom of the float is provided with a downwardly extending weight column having an outer diameter greater than the outer diameter of the extending column and less than the outer diameter of the float.

In some embodiments, a mounting plate extending along the up-down direction is arranged in the chassis, and the grating seat is provided with a plurality of through holes at intervals along the up-down direction, or the grating seat is provided with one through hole, the light shielding vertical plate is provided with a plurality of through holes for passing through grating signals, and the through holes are arranged at intervals along the up-down direction.

In one possible implementation, the water level monitoring device further includes a controller electrically connected to the emitter electrode and the receiver electrode, respectively, and a timer electrically connected to the controller, the controller being configured to receive the grating parameter of the receiver electrode and the time parameter of the timer.

Compared with the prior art, the scheme that this application embodiment shows, the water level monitoring device that this application embodiment provided utilizes the upward movement jacking shading riser of floater in the water tank to upwards remove, shelter from the grating signal of projecting pole to receiving pole transmission on the grating seat with the help of the shading riser, and then judge the water level in the water tank through the break-make of grating signal, be convenient for carry out real-time supervision to water level, improved the accuracy and the reliability of monitoring, improved the stability of equipment operation.

The utility model also provides a humidity control device, which comprises a case, a water tank arranged at the bottom in the case and a water level monitoring device. The humidity control equipment accurately monitors the water level in the case through the water level monitoring device, improves the accuracy and reliability of the water level determination in the case, ensures the normal operation of the humidity control equipment, and is beneficial to prolonging the service life of the equipment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a rear view partially in section of a humidity conditioning apparatus according to an embodiment of the present utility model;

fig. 2 is a schematic view of a partial sectional structure of a humidity conditioning apparatus according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a partial enlarged structure of I in FIG. 2 according to an embodiment of the present utility model;

FIG. 4 is a schematic structural diagram of another embodiment of a light shielding plate and grating assembly according to an embodiment of the present utility model;

FIG. 5 is a schematic structural view of a light shielding plate and a grating assembly according to another embodiment of the present utility model;

FIG. 6 is a schematic view of the top wall, float and limiting plate of the water tank of FIG. 2 according to an embodiment of the present utility model;

FIG. 7 is a schematic view of the top wall of the water tank and the limiting plate shown in FIG. 6 according to an embodiment of the present utility model;

FIG. 8 is a schematic diagram of a water level monitoring device according to an embodiment of the present utility model (omitting a top wall and a limiting plate of a water tank);

FIG. 9 is a schematic diagram of a water level state of the water level monitoring device according to the embodiment of the present utility model (omitting the top wall and the limiting plate of the water tank);

FIG. 10 is a schematic diagram of another water level state of the water level monitoring device according to the embodiment of the present utility model (omitting the top wall and the limiting plate of the water tank);

fig. 11 is a schematic structural diagram of another water level state of the water level monitoring device according to the embodiment of the present utility model (omitting the top wall and the limiting plate of the water tank).

Wherein, each reference sign in the figure:

1. a chassis; 11. a water tank; 12. a limiting plate; 13. a limit claw; 14. an arc surface; 15. rib plates; 16. a support part; 17. a mounting plate; 2. a float; 21. an extension column; 22. a weight column; 3. a shading vertical plate; 31. a through hole; 4. a grating assembly; 41. a grating seat; 42. a through cavity.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present utility model. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 11, a water level monitoring device and a humidity control apparatus according to the present utility model will now be described. The water level monitoring device comprises a floating piece 2, a limiting plate 12, a shading vertical plate 3 and a grating assembly 4, wherein the floating piece 2 is arranged in the water tank 11 and can move upwards under the action of the water body buoyancy and penetrate through the top wall of the water tank 11; the limiting plate 12 is arranged above the water tank 11 in the horizontal direction; the light shielding vertical plate 3 penetrates through the limiting plate 12 along the up-down direction and is in sliding fit with the limiting plate 12, and the light shielding vertical plate 3 and the floating piece 2 are correspondingly arranged up and down; the grating assembly 4 comprises a plurality of grating seats 41 which are arranged in the chassis 1 at intervals along the up-down direction, the grating seats 41 are provided with through cavities 42 which are communicated up and down and are arranged towards the shading vertical plate 3, the cavity walls on two sides of the through cavities 42 are respectively provided with an emitter and a receiving electrode, and the receiving electrodes are used for receiving grating signals emitted by the emitters and generating grating parameters;

the light shielding vertical plate 3 can move up into the through cavity 42 of the grating seat 41 under the lifting action of the floating member 2 so as to block grating signals.

Compared with the prior art, the water level monitoring device provided by the embodiment has the advantages that the upward-moving lifting shading vertical plate 3 of the floating piece 2 in the water tank 11 is utilized to move upwards so as to shade the grating signal emitted from the emitting electrode to the receiving electrode on the grating seat 41 by means of the shading vertical plate 3, and then the water level in the water tank 11 is judged by on-off of the grating signal, so that the water level is conveniently monitored in real time, the monitoring accuracy and reliability are improved, and the running stability of equipment is improved.

The water level monitoring device can be used in humidifying equipment such as a humidifier or a dehumidifier, the consumption of water in the humidifying process and the absorption of water in the dehumidifying process can be conveniently judged by monitoring the water level change value in the water tank 11, and the water shortage in the humidifying process of the humidifier can be avoided by combining the alarm element with the humidifier or the dehumidification effect of the dehumidifier can be accurately judged by combining the timer with the dehumidifier.

In one possible implementation, referring to fig. 6 to 7, a plurality of limit claws 13 extending downward and located at the outer periphery of the float 2 are provided on the inner top wall of the tank 11.

In this embodiment, cylindrical floating member 2 is adopted, the main shaft of floating member 2 extends along upper and lower direction, through setting up the spacing claw 13 that is located floating member 2 periphery in water tank 11 and can effectively inject the position of floating member 2 on the horizontal plane, avoid floating member 2 to take place horizontal migration and cause the relative dislocation with shading riser 3, the lifting drive of floating member 2 to shading riser 3 when influencing the change of water level height, make shading riser 3 correspond from top to bottom with grating seat 41, guarantee the effect of floating member 2 to shading riser 3, realize the accurate monitoring to water level height.

In some embodiments, referring to fig. 6 to 7, the floating member 2 is a cylindrical member, three limiting claws 13 are distributed on the outer periphery of the floating member 2, and the limiting claws 13 have an arc-shaped surface 14 that slidingly engages with the outer peripheral wall of the floating member 2. In order to ensure that the periphery of the floating piece 2 is fully limited, three limiting claws 13 extending downwards are connected to the inner top wall of the water tank 11, and effective position limitation is formed through the sliding fit relation between the three limiting claws 13 and the floating piece 2, so that the floating piece 2 only has lifting action in the up-down direction, and effective correspondence with the upper shading vertical plate 3 is ensured. Specifically, the limit claw 13 is an arc-shaped plate-like member.

In some embodiments, referring to fig. 6 to 7, a rib plate 15 extending along the up-down direction is disposed between the limit claw 13 and the inner top wall of the water tank 11, and the rib plate 15 is located at the outer side of the limit claw 13. The rib plates 15 arranged on the outer sides of the limiting claws 13 effectively connect the limiting claws 13 with the inner top wall of the water tank 11, so that the limiting and fixing effects on the limiting claws 13 are realized, the limiting claws 13 are kept in stable positions, and the limiting effect on the floating piece 2 is ensured.

Specifically, the rib plates 15 are approximately triangular plate-shaped members, one rib plate 15 is respectively arranged at the positions close to the edges of two sides of the limiting claw 13, in addition, a third rib plate 15 is further arranged at the position close to the center shaft of the limiting claw 13, the panel area of the third rib plate 15 is larger than the panel area of the other two rib plates 15, the three rib plates together form a supporting effect on the limiting claw 13, and the connection strength between the limiting claw 13 and the inner top wall of the water tank 11 is ensured.

In some embodiments, referring to fig. 6 to 7, the lower end of the limiting claw 13 is provided with a supporting portion 16 protruding toward the axis of the floating member 2, and the supporting portion 16 can be supported below the floating member 2 to limit the downward movement of the floating member 2. The bearing that limit jaw 13 lower extreme set up can be spacing to the minimum limit position of floater 2, avoids floater 2 to move down along with the water level and breaks away from the lower extreme of limit jaw 13, influences limit jaw 13 to the spacing effect of floater 2 at floater 2 in-process that rises. The supporting portion 16 protrudes towards the axis of the floating member 2 to form the effect of supporting below the floating member 2, when the water level is too low, the floating member 2 cannot move downwards along with the water level infinitely, and can be suspended above the water surface under the supporting effect of the supporting portion 16, so that the supporting portion can act on the bottom of the shading vertical plate 3 under the limiting effect of the limiting claw 13 when the subsequent water level rises.

In one possible implementation, referring to fig. 2, 3 and 8 to 11, the top of the float 2 is provided with an extension post 21 extending upward and extending through the top wall of the tank 11, the extension post 21 being in sliding engagement with the top wall of the tank 11, the outer diameter of the extension post 21 being smaller than the outer diameter of the float 2.

In this embodiment, the top of the floating member 2 has an extension column 21 with an outer diameter smaller than that of the floating member 2, and the extension column 21 penetrates through the top wall of the water tank 11 and forms a sliding fit with the top wall of the water tank 11, and meanwhile, the upward movement width of the floating member 2 can be limited by the top wall of the water tank 11, so as to avoid the floating member 2 from falling out upward.

In some embodiments, referring to fig. 2, 3 and 8-11, the bottom of the floating member 2 is provided with a weight column 22 extending downward, and the outer diameter of the weight column 22 is larger than the outer diameter of the extending column 21 and smaller than the outer diameter of the floating member 2. The balance weight column 22 arranged at the bottom of the floating piece 2 forms a good balance weight effect on the floating piece 2, so that the stability of the axial position of the floating piece 2 is enhanced, and the floating piece 2 can smoothly move along the up-down direction along with the water level by combining the limiting function of the limiting claw 13, thereby forming the driving function on the light shielding plate.

In some embodiments, referring to fig. 2 to 3, a mounting plate 17 extending in the up-down direction is disposed in the chassis 1, and a plurality of grating seats 41 are disposed at intervals in the up-down direction, or one grating seat 41 is disposed, and a plurality of through holes 31 through which grating signals pass are disposed on the light shielding vertical plate 3, and the plurality of through holes 31 are disposed at intervals in the up-down direction.

In this embodiment, one or more grating seats 41 may be provided, and a plurality of grating seats 41 may be disposed at intervals in the up-down direction, and the intervals between two adjacent grating seats 41 may be equal or unequal.

As a specific embodiment, referring to fig. 2 and 3, three grating seats 41 are provided, and the three grating seats 41 respectively correspond to three water levels, namely, high, medium and low, so that different water level states can be detected through the structure.

As another specific embodiment, referring to fig. 4, one grating seat 41 is provided, and the number of grating seats 41 can be reduced by providing a plurality of hollowed through holes 31 on the light shielding vertical plate 3 to realize the effect of passing the grating signal. Under the buoyancy effect of water, the light shielding vertical plate 3 moves upwards to be in the same height position with the through hole 31 and the grating seat 41 at a certain height, so that a grating signal can smoothly pass through the through hole 31 and be received by the receiving electrode, the effect of communication is realized, when the light shielding vertical plate 3 continues to move upwards, the through hole 31 moves upwards synchronously, and the light shielding vertical plate 3 shields the grating signal, so that the effect of disconnection is realized. Thus, the water level and the environmental information are confirmed by the on-off signal state and the interval time.

As still another specific embodiment, referring to fig. 5, three grating seats 41 are provided, and two through holes 31 are provided in the light shielding vertical plate 3. The through hole 31 provided in the light shielding standing plate 3 can increase detection data. By providing the through hole 31, the state that the highest and lowest position grating seats 41 are communicated and the middle grating seat 41 is disconnected can be monitored, the state that the highest position grating seat 41 is disconnected and the middle and lowest position grating seats 41 are communicated can be monitored, and more positions and process change signals can be judged.

On this basis, the grating assembly 4 can be replaced by a magnetic encoder assembly, and the same monitoring function can be achieved.

The level of the liquid inside the humidifier will be described as an example. Referring to fig. 6, when the water level of the water tank 11 does not meet the working requirement, the floating member 2 moves down along with the water level until being supported by the supporting portion 16, and the light shielding plate is located under the three grating seats 41 under the dead weight effect and does not shield the grating signals, so that the water tank is in a water shortage state, and the use of the alarm lamp is combined.

Referring to fig. 8, when the water level of the water tank 11 is high so that the light shielding vertical plate 3 shields only the grating signal of the lowest grating seat 41, the low water level state is reached at this time, and the low water level lamp of the humidifier is correspondingly started; referring to fig. 8, when the water level of the water tank 11 is high to make the light shielding vertical plate 3 shield the grating signals of the two lowest grating seats 41, the water level state is at this time, and the water level lamp of the humidifier is correspondingly started; referring to fig. 9, when the water level of the water tank 11 is high to make the light shielding vertical plate 3 shield the grating signal of the uppermost grating seat 41, the high water level state is reached at this time, and the high water level lamp of the humidifier is correspondingly started; through the structure, the water level state of the humidifier can be conveniently known.

In one possible implementation, the water level monitoring device further includes a controller electrically connected to the emitter electrode and the receiver electrode, respectively, and a timer electrically connected to the controller, the controller being configured to receive the grating parameter of the receiver electrode and the time parameter of the timer.

In this embodiment, by setting a timer, the interval time between two water level states monitored by the controller is counted, and by a preset program in the controller, the water level falling speed of the humidifier or the water level rising speed of the dehumidifier can be determined, so that the water consumption speed of the humidifier or the dehumidification effect of the dehumidifier can be conveniently obtained, and the use duration of the humidifier or the dehumidification efficiency of the dehumidifier can be further determined.

Based on the same inventive concept, the embodiment of the application also provides a humidity control device, which comprises a case 1, a water tank 11 arranged at the bottom in the case 1 and a water level monitoring device. The humidity control equipment accurately monitors the water level in the case 1 through the water level monitoring device, improves the accuracy and reliability of water level determination in the case 1, ensures the normal operation of the humidity control equipment, and is beneficial to prolonging the service life of the equipment.

In this embodiment, the humidity conditioning apparatus may be a humidifier or a dehumidifier. When the humidifier is used, the humidity sensor of the humidifier can be used for monitoring the ambient humidity, and then the proper humidification amount is set according to humidification requirements, the water level is monitored through the water level monitoring device, and the actual addition of a proper amount according to the change amount control of the water level meets the preset addition of a proper amount.

The dehumidifier confirms the dehumidification effect through the variation of the water level in unit time, the timer is used for timing, after a certain period of time, the rise value of the water level monitored by the water level monitoring device can conveniently judge whether the dehumidifier meets the dehumidification speed requirement, and the humidity sensor in the dehumidifier can monitor and judge whether the current humidity meets the humidity requirement. The use of the water level monitoring device solves the problems of small starting force and poor stability of the micro switch in the prior art, ensures accurate monitoring of the water level in the water tank 11, and meets the operation requirement of the humidity control equipment.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The water level monitoring device, its characterized in that includes:

the floating piece is arranged in the water tank, can move upwards under the action of the buoyancy of the water body and penetrates through the top wall of the water tank;

the limiting plate is arranged above the water tank along the horizontal direction;

the light shielding vertical plate penetrates through the limiting plate along the up-down direction and is in sliding fit with the limiting plate, and the light shielding vertical plate and the floating piece are correspondingly arranged up and down;

the grating assembly comprises a plurality of grating seats which are arranged in the chassis at intervals along the up-down direction, the grating seats are provided with through cavities which are penetrated up and down and are arranged towards the shading vertical plate, the cavity walls on two sides of the through cavities are respectively provided with an emitting electrode and a receiving electrode, and the receiving electrodes are used for receiving grating signals emitted by the emitting electrodes and generating grating parameters;

the light shielding vertical plate can move upwards to the through cavity of the grating seat under the lifting action of the floating piece so as to block the grating signals.

2. The water level monitoring device as claimed in claim 1, wherein a plurality of limit claws extending downward and located at the outer periphery of the float are provided on the inner top wall of the water tank.

3. The water level monitoring device as claimed in claim 2, wherein the float is a cylindrical member, the limit claws are distributed at the periphery of the float, and the limit claws have arc-shaped surfaces in sliding fit with the peripheral wall of the float.

4. The water level monitoring device as claimed in claim 2, wherein a rib plate extending in the up-down direction of the plate surface is provided between the limit claw and the inner top wall of the water tank, and the rib plate is located at the outer side of the limit claw.

5. The water level monitoring device as claimed in claim 2, wherein the lower end of the limit claw is provided with a supporting portion protruding toward the axial center side of the float, and the supporting portion can be supported below the float to limit the downward movement range of the float.

6. A water level monitoring device as claimed in any one of claims 1 to 5, wherein the top of the float is provided with an extension post extending upwardly and disposed through the top wall of the tank, the extension post being in sliding engagement with the top wall of the tank, the extension post having an outer diameter less than the outer diameter of the float.

7. The water level monitoring device of claim 6, wherein the bottom of the float is provided with a downwardly extending weight column having an outer diameter greater than the outer diameter of the extending column and less than the outer diameter of the float.

8. The water level monitoring device according to any one of claims 1 to 5, wherein a mounting plate extending in an up-down direction is provided in the housing, the grating seat is provided with a plurality of through holes in an up-down direction at intervals, or the grating seat is provided with one through hole, the light shielding vertical plate is provided with a plurality of through holes for passing the grating signals, and the through holes are provided in an up-down direction at intervals.

9. The water level monitoring device of any one of claims 1-5, further comprising a controller electrically connected to the emitter electrode and the receiver electrode, respectively, and a timer electrically connected to the controller, the controller for receiving the grating parameter of the receiver electrode and a time parameter of the timer.

10. The humidity control device is characterized by comprising a case, a water tank arranged at the bottom in the case and the water level monitoring device according to any one of claims 1-9.