CN220192795U - Water box device with water level detection function and cooking equipment thereof - Google Patents

Abstract

The utility model discloses a water box device with water level detection and cooking equipment thereof, wherein the water box device comprises: the water box bracket is provided with a containing cavity; the water box assembly is detachably arranged in the accommodating cavity and is provided with a water storage cavity and a detection surface, and the detection surface is provided with an opening communicated with the water storage cavity; the optical piece is arranged at the opening and is in sealing connection with the hole wall or the edge of the opening; the water level sensor is arranged on the water box bracket and is arranged opposite to the optical piece. The water box device adopts non-contact detection of the water level, improves detection accuracy, reliability, anti-interference and service life.

Description

Water box device with water level detection function and cooking equipment thereof

Technical Field

The utility model relates to the technical field of kitchen electricity, in particular to a water box device with water level detection and cooking equipment thereof.

Background

The steam box and the steam oven in the market are provided with a water box or a water tank for supplying steam, and the water box generally judges whether the water in the water box is used up or not through a magnetic floater and a reed switch. However, such a determination method has the following problems:

1. because the size of the steaming and baking volume is limited, most of the water boxes are slender and have low height, so that after a period of time, the floats are lowered due to the water surface, signals can be given out to judge that the water boxes lack water in advance by contacting the reed switch, and a large amount of residual water in the water boxes is not used up in practice;

2. the float is installed in a spacing area, can appear being blocked the condition that does not drop, can't give the water-saving of water box like this, and the water pump can draw water always and lead to taking out futilely, causes the potential safety hazard such as damage water pump, evaporimeter dry combustion method.

Disclosure of Invention

The utility model aims to solve one of the problems existing in the prior related art at least to a certain extent, and therefore, the utility model provides the water box device with the water level detection function, which is simple in structure, adopts non-contact detection of the water level, improves detection accuracy, reliability, interference resistance and service life. The utility model also provides cooking equipment.

According to the water box device with the water level detection function, the water box device with the water level detection function is realized through the following technical scheme:

a water cartridge device with water level detection, comprising: the water box bracket is provided with a containing cavity; the water box assembly is detachably arranged in the accommodating cavity and is provided with a water storage cavity and a detection surface, and the detection surface is provided with an opening communicated with the water storage cavity; the optical piece is arranged at the opening and is in sealing connection with the hole wall or the edge of the opening; the water level sensor is arranged on the water box bracket and is arranged opposite to the optical piece.

In some embodiments, the optical element comprises two reflecting surfaces, the inner ends of the two reflecting surfaces extend into the water storage cavity and are connected in an angle, and the outer end of each reflecting surface is in sealing connection with the hole wall or the edge of the hole.

In some embodiments, the lower ends of the two reflecting surfaces are fixedly connected with the same connecting surface, and one end of the connecting surface, which is close to the detecting surface, is in sealing connection with the hole wall or the edge of the hole.

In some embodiments, the water level sensor is disposed within the receiving cavity and detachably connected to the water box bracket side wall; or the water level sensor is detachably connected to the outside of the side wall of the water box support, a light hole positioned between the detection surface and the water level sensor is formed in the side wall of the water box support, and the light hole and the opening are oppositely arranged.

In some embodiments, the level sensor has at least one set of optoelectronic level detection sets including a reflector capable of emitting light toward the optic and a receiver capable of receiving reflected light refracted by the optic.

In some embodiments, the number of the photoelectric water level detection groups is not less than two, and all the photoelectric water level detection groups are arranged at intervals in the height direction.

In some embodiments, two positioning portions extending outwards are fixedly arranged on the outer surface of the side wall of the water box support, the two positioning portions are respectively located on two opposite outer sides of the light hole, and the water level sensor is detachably connected with the two positioning portions respectively.

In some embodiments, the water box assembly is provided with a water inlet, a water inlet connector is arranged at the position of the water box bracket corresponding to the water inlet, and the water inlet connector is communicated with the water storage cavity through the water inlet.

In some embodiments, the water box assembly comprises a water box main body and a water box cover, wherein the water box main body is provided with a water tank with a detection surface and an opening at the top, the water box cover is arranged at the opening at the top of the water tank, and the water storage cavity is formed by surrounding the water tank and the water box cover.

According to the cooking equipment provided by the utility model, the cooking equipment is realized by the following technical scheme: a cooking apparatus having a water box device with water level detection as described above.

Compared with the prior art, the utility model at least comprises the following beneficial effects:

according to the water box device, the water box component with the water storage cavity is detachably arranged in the accommodating cavity of the water box support, the optical piece is arranged at the opening of the water storage cavity, the water level sensor which is opposite to the optical piece is arranged on the water box support, the water level sensor can emit light rays towards the optical piece, the optical piece can partially or totally reflect the light rays according to different substances in the water storage cavity, the water level sensor can judge the water level in the water storage cavity according to the size of the reflected light rays refracted by the receiving optical piece, the non-contact detection of the water level is realized, the water level detection accuracy, the reliability and the interference resistance are improved, the influence of beads, water vapor, impurities and the like on the sensor caused by direct immersion of the water level sensor on the water is avoided, and the service life of the water level sensor is prolonged.

Drawings

FIG. 1 is an exploded view of a water box assembly in accordance with an embodiment of the present utility model;

FIG. 2 is a front view of a cartridge assembly according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a water box assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic view of the structure of a cartridge holder according to an embodiment of the present utility model;

FIG. 5 is a schematic view of the structure of the water box main body according to the embodiment of the present utility model;

FIG. 6 is a cross-sectional view of a water box assembly in a water-filled condition in accordance with an embodiment of the present utility model;

FIG. 7 is a second cross-sectional view of the water box assembly in an anhydrous state in accordance with an embodiment of the present utility model;

fig. 8 is a schematic view of a cooking apparatus according to an embodiment of the present utility model.

In the figure: 1-a water box bracket, 11-a containing cavity, 111-a mounting port, 112-an observation port, 12-a light hole, 13-a positioning part and 14-a water inlet joint; 2-water box components, 201-water storage cavities, 202-detection surfaces, 203-openings, 204-water inlets, 21-water box main bodies, 211-water tanks and 22-water box covers; 3-optics, 31-emitting face, 32-connecting face; 4-water level sensor, 41-reflector, 42-receiver.

Detailed Description

The following examples illustrate the utility model, but the utility model is not limited to these examples. Modifications and equivalents of some of the technical features of the specific embodiments of the present utility model may be made without departing from the spirit of the present utility model, and they are all included in the scope of the claimed utility model.

Referring to fig. 1-4, the present embodiment provides a water cartridge device with water level detection, comprising a water cartridge holder 1, a water cartridge assembly 2, an optical member 3 and a water level sensor 4, the water cartridge holder 1 having a receiving cavity 11 adapted to cooperate with the water cartridge assembly 2. The water box assembly 2 is detachably installed in the accommodating cavity 11, the water box assembly 2 is provided with a water storage cavity 201 and a detection surface 202, the detection surface 202 forms a left side surface, a right side surface or a rear side surface of the water storage cavity 201, in this embodiment, taking the detection surface 202 forms the right side surface of the water storage cavity 201 as an example, an opening 203 communicated with the water storage cavity 201 is formed in the detection surface 202.

The optical element 3 is disposed at the opening 203 and is connected with the wall or edge of the opening 203 in a sealing manner to prevent water leakage at the connection between the optical element 3 and the water box assembly 2, in this embodiment, the optical element 3 is used for refracting light, that is, for partially or totally reflecting light according to different substances in the water storage cavity 201, wherein the different substances include water and anhydrous. The water level sensor 4 is arranged on the water box bracket 1 and is arranged opposite to the optical piece 3, the water level sensor 4 can emit light towards the optical piece 3, can also receive reflected light reflected by the optical piece 3, and judges the water level in the water storage cavity 201 according to the received reflected light, so that the water level is detected in a non-contact mode, the water level detection accuracy, reliability and interference resistance are improved, the influence of bead hanging, water vapor, impurities and the like on the sensor caused by direct immersion of the water level sensor is avoided, and the service life of the water level sensor is prolonged.

Referring to fig. 1 to 4, the front end of the cartridge holder 1 is opened to form a mounting port 111 communicating with the receiving chamber 11, the mounting port 111 being for the movable passage of the cartridge assembly 2 so as to detachably mount the cartridge assembly 2 in the receiving chamber 11. The rear side of the top of the water box bracket 1 is opened to form a viewing port 112 communicated with the accommodating cavity 11 so that a user can conveniently check whether the water box assembly 2 is installed in the water box bracket 1 or not through the viewing port 112 and can conveniently check whether the water box assembly 2 is installed in place or not.

In this embodiment, the water level sensor 4 is detachably connected to the outside of the side wall of the water box support 1, two positioning portions 13 extending outwards are fixedly arranged on the outer surface of the right side wall of the water box support 1, the two positioning portions 13 are arranged at intervals along the front-rear direction, and the water level sensor 4 is arranged outside the right side wall of the water box support 1 and is detachably connected with the two positioning portions 13 respectively, so that the water level sensor 4 is reliably installed outside the right side wall of the water box support 1. In order to ensure that the water level sensor 4 positioned outside the right side wall of the water box support 1 can reliably send and receive light, the right side wall of the water box support 1 is provided with the light transmission hole 12 positioned between the two positioning parts 13 and communicated with the accommodating cavity 11, the light transmission hole 12 is positioned between the detection surface 202 and the water level sensor 4, and the light transmission hole 12 and the open hole 203 are oppositely arranged, so that the emitted light of the water level sensor 4 can sequentially pass through the light transmission hole 12 and the open hole 203 and then be transmitted to the optical piece 3, the optical piece 3 can partially or completely reflect the light according to different substances in the water storage cavity 201, the reflected light reflected by the optical piece 3 can sequentially pass through the open hole 203 and the light transmission hole 12 and then be transmitted to the water level sensor 4, and the water level in the water storage cavity can be detected and judged in a non-contact manner according to the size of the reflected light received by the water level sensor 4. In other embodiments, the water level sensor 4 may be disposed in the accommodating cavity 11 and detachably connected to the right side wall of the water box support 1, at this time, the light hole may be omitted, and the corresponding positioning portion 13 needs to be formed by extending the right side wall of the water box support 1 integrally inward, or the positioning portion 13 is integrated on one surface of the water level sensor 4 near the right side wall of the water box support 1, and a screw hole through which the positioning portion 13 passes is additionally provided on the right side wall of the water box support 1, so that the water level sensor 4 occupies the volume of the accommodating cavity in an installation manner, and the water storage capacity of the water box assembly 2 is reduced.

When the water box assembly 2 is installed in the water box bracket 1, in order to facilitate water adding or supplementing to the water storage cavity 201 of the water box assembly 2, the upper end of the rear side wall of the water box bracket 1 is provided with the water inlet joint 14, the water storage cavity 201 is selectively communicated with a water source through the water inlet joint 14, and when the water storage cavity 201 is communicated with the water source through the water inlet joint 14, water adding or supplementing to the water storage cavity 201 can be realized.

Referring to fig. 1 to 3 and 5, the opening 203 is vertically arranged in the height direction, and the lowest point of the opening 203 extends to the bottom surface of the water storage chamber 201 or is arranged near the bottom surface of the water storage chamber 201, so that the lower end of the optical member 3 is arranged near the bottom surface of the water storage chamber 201, so that the water level sensor 4 cooperates with the optical member 3 to detect the lowest water level of the water storage chamber 201. The highest point of the opening 203 is lower than the side upper end of the water storage chamber 201, and the highest point of the opening 203 is higher than or equal to the maximum water level line of the water storage chamber 201, so that the water level sensor 4 cooperates with the optical member 3 to detect the highest water level of the water storage chamber 201.

The water box assembly 2 includes a water box main body 21 and a water box cover 22, the water box main body 21 has a detection surface 202 and a water tank 211 with an opening at the top, in this embodiment, the detection surface 202 constitutes a right tank wall of the water tank 211, and an opening 203 arranged in the vertical direction is provided in the right tank wall of the water tank 211. The cover 22 is detachably provided at the top opening of the tub 211 to open or close the top opening of the tub 211, so that a user can clean the inside of the tub 211 by opening the top opening of the tub 211. The water storage chamber 201 is formed by the water tank 211 and the water tank cover 22.

In order to facilitate the water tank to be communicated with the water inlet joint 14, a water inlet 204 is arranged at the upper end of the rear side wall of the water box assembly 2 (i.e. the water box main body 21), the water inlet 204 is arranged corresponding to the water inlet joint 14, a water storage cavity 201 (i.e. the water tank 211) is communicated with the water inlet joint 14 through the water inlet 204, and in the embodiment, the water inlet 204 is communicated with the water inlet joint 14 in a plugging manner.

Referring to fig. 5, the optical member 3 is preferably a prism, and includes two reflecting surfaces 31, wherein inner ends of the two reflecting surfaces 31 extend into the water storage cavity 201 and are connected to form an angle, and outer ends of the reflecting surfaces 31 are hermetically connected to walls or edges of the opening 203. In this embodiment, the two reflecting surfaces 31 are arranged in mirror image and form two sides of an isosceles triangle, which includes an isosceles triangle with legs, of course, the inner ends of the two reflecting surfaces 31 may be connected by an arc surface, or the inner ends of the two reflecting surfaces 31 may be connected by a vertical surface parallel to the detecting surface 202, so as to form an isosceles trapezoid with a small inner end and a large outer end.

The optical element 3 further comprises a connecting surface 32, the lower ends of the two reflecting surfaces 31 are fixedly connected through the same connecting surface 32, one end of the connecting surface 32 close to the detecting surface 202 is in sealing connection with the lower hole wall or the lower edge of the opening 203, so that the lower end of the optical element 3 is closed, and water leakage is prevented from occurring at the connection part of the lower end of the optical element 3 and the water box main body 21 of the water box assembly 2. The upper end of the optical element 3 can be closed or opened, when the upper end of the optical element 3 is closed, the upper ends of the two reflecting surfaces 31 are fixedly connected through the other connecting surface 32, and one end of the other connecting surface 32 close to the detecting surface 202 is in sealing connection with the upper hole wall or the upper edge of the open hole 203; when the upper end of the optical element 3 is open, the overflow hole can be used as an overflow hole, when the water level in the water storage cavity exceeds the upper end face of the optical element 3, water in the water storage cavity can be sequentially discharged into the accommodating cavity 11 through the upper end opening and the opening 203 of the optical element 3, at the moment, an overflow detection structure can be additionally arranged in the accommodating cavity 11 to detect whether an overflow phenomenon occurs, and once the overflow phenomenon is detected, the water box device is controlled to stop water feeding, and meanwhile the overflow is discharged.

Referring to fig. 1-3, the level sensor 4 has at least one set of photo-electric level detection sets, each set comprising a reflector 41 capable of emitting light towards the optical element 3 and a receiver 42 capable of receiving reflected light refracted by the optical element 3. In this embodiment, the number of the photoelectric water level detection groups is not less than two, preferably three, and all the photoelectric water level detection groups are arranged at intervals along the height direction, so that multi-stage water level detection can be realized, and the intelligent water level detection device is convenient to combine with an intelligent menu to judge whether the water amount is enough. The first photoelectric water level detection group x1 is arranged near the bottom surface of the water storage cavity 201 and is used for detecting the lowest water level of the water storage cavity 201; the second photoelectric water level detection group x2 is arranged near the middle of the side wall of the water tank 211 and is used for detecting the middle water level of the water storage cavity 201; the third photoelectric water level detection group x3 is disposed near the upper end surface of the tank sidewall of the water tank 211 for detecting the highest water level of the water storage chamber 201.

The water level detection principle of the water box device of the present embodiment will be described with reference to fig. 6 to 7:

referring to fig. 6, when the water level in the water storage chamber 201 is higher than the third group of photoelectric water level detection groups x3, the reflector 41 of the third group of photoelectric water level detection groups x3 emits infrared light, and the infrared light is refracted into water by the reflecting surface 31 of the optical element 3, so that the receiver 42 of the third group of photoelectric water level detection groups x3 cannot receive the signal and return, i.e. cannot receive the reflected light, a DP1 frequency signal is output to judge that the water box assembly 2 is full of water, and at this time, the water level in the water storage chamber 201 reaches the highest water level;

when the water quantity in the water storage cavity 201 is used in the second group of photoelectric water level detection groups x2, a DP2 frequency signal is output to judge the water quantity in the water storage cavity; when the water quantity in the water storage cavity 201 is used in the first group of photoelectric water level detection groups x1, a DP3 frequency signal is output to judge the water quantity in the water storage cavity, and the water quantity in the water storage cavity 201 reaches the lowest water level at the moment;

referring to fig. 7, when the water in the water storage cavity 201 is lower than the first set of photoelectric water level detection sets x1, the reflector 41 of the first set of photoelectric water level detection sets x1 emits infrared light, and the infrared light is refracted by the reflecting surface 31 of the optical element 3, and the receiver 42 of the first set of photoelectric water level detection sets x1 receives the signal and returns, i.e. receives the reflected light, outputs a DP frequency signal to determine that the water box assembly 2 is free of water.

Referring to fig. 8, this embodiment also provides a cooking apparatus, which may be a steam box or a steam oven, having a water box device with water level detection as described above, implementing multi-stage water level detection, improving water level detection accuracy, reliability and anti-interference, avoiding the influence of beads, water vapor, impurities and the like on the sensor when the water level sensor is directly immersed in water, and improving the service life of the water level sensor.

What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.

Claims (10)

1. A water cartridge device with water level detection, comprising:

a water box bracket (1) provided with a containing cavity (11);

the water box assembly (2) is detachably arranged in the accommodating cavity (11), the water box assembly (2) is provided with a water storage cavity (201) and a detection surface (202), and the detection surface (202) is provided with an opening (203) communicated with the water storage cavity (201);

an optical piece (3) arranged at the opening (203) and connected with the wall or edge of the opening (203) in a sealing way;

and the water level sensor (4) is arranged on the water box bracket (1) and is opposite to the optical piece (3).

2. A water box device with water level detection according to claim 1, characterized in that the optical element (3) comprises two reflecting surfaces (31), the inner ends of the two reflecting surfaces (31) extend into the water storage cavity (201) and are connected in an angle, and the outer end of each reflecting surface (31) is connected with the wall or edge of the opening (203) in a sealing way.

3. A water box device with water level detection according to claim 2, characterized in that the lower ends of the two reflecting surfaces (31) are fixedly connected with the same connecting surface (32), and one end of the connecting surface (32) close to the detecting surface (202) is in sealing connection with the hole wall or edge of the hole (203).

4. A water box device with water level detection according to claim 1, characterized in that the water level sensor (4) is arranged in the accommodating cavity (11) and is detachably connected with the side wall of the water box bracket (1);

or, the water level sensor (4) is detachably connected to the outside of the side wall of the water box support (1), a light hole (12) positioned between the detection surface (202) and the water level sensor (4) is formed in the side wall of the water box support (1), and the light hole (12) and the open hole (203) are oppositely arranged.

5. A water box device with water level detection according to claim 4, characterized in that the water level sensor (4) has at least one set of optoelectronic water level detection sets comprising a reflector (41) and a receiver (42), the reflector (41) being capable of emitting light towards the optical element (3), the receiver (42) being capable of receiving reflected light refracted by the optical element (3).

6. The water cartridge device with water level detection as claimed in claim 5, wherein the number of the photo-electric water level detection groups is not less than two, and all the photo-electric water level detection groups are arranged at intervals in the height direction.

7. A water box device with water level detection according to any one of claims 4-6, characterized in that two positioning parts (13) extending outwards are fixedly arranged on the outer surface of the side wall of the water box support (1), the two positioning parts (13) are respectively positioned at two opposite outer sides of the light transmission hole (12), and the water level sensor (4) is respectively detachably connected with the two positioning parts (13).

8. A water box device with water level detection according to claim 1, characterized in that the water box assembly (2) is provided with a water inlet (204), the position of the water box support (1) corresponding to the water inlet (204) is provided with a water inlet joint (14), and the water inlet joint (14) is communicated with the water storage cavity (201) through the water inlet (204).

9. A water box device with water level detection according to claim 1 or 8, characterized in that the water box assembly (2) comprises a water box main body (21) and a water box cover (22), the water box main body (21) is provided with the detection surface (202) and a water tank (211) with an open top, the water box cover (22) is covered at the open top of the water tank (211), and the water storage cavity (201) is formed by surrounding the water tank (211) and the water box cover (22).

10. Cooking apparatus, characterized by a water box device with water level detection according to any of claims 1-9.