CN214632065U

CN214632065U - Liquid storage device and dish washing machine

Info

Publication number: CN214632065U
Application number: CN202120010460.8U
Authority: CN
Inventors: 王晓东; 徐浩
Original assignee: Shanghai Minglue Artificial Intelligence Group Co Ltd
Current assignee: Shanghai Minglue Artificial Intelligence Group Co Ltd
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-11-09
Anticipated expiration: 2031-01-04

Abstract

The application relates to equipment technical field for kitchen discloses a stock solution device, includes: the liquid storage box comprises a box body, a liquid storage tank and a liquid outlet pipe, wherein a containing cavity for storing liquid is formed in the box body, the box body is communicated with the detection pipe, and the box body and the detection pipe form a communicating vessel; the detection tube is provided with an opening, and the tube body of the detection tube is higher than the connection part of the detection tube and the box body; and the liquid level sensing device is arranged on the outer wall of the detection pipe and is configured to monitor the liquid level of the liquid in the detection pipe. Through setting up the test tube on the box of stock solution device for box and test tube intercommunication form the linker, and set up liquid level sensing device on the outer wall of test tube, owing to need not directly put into liquid with liquid level sensing device, can make liquid level sensing device avoid the influence of stubborn greasy dirt and residue, thereby carry out accurate detection and have higher reliability to the liquid level. The application also discloses a dishwasher.

Description

Liquid storage device and dish washing machine

Technical Field

The application relates to the technical field of kitchen equipment, for example to a liquid storage device and a dish washing machine.

Background

Commercial dishwashers perform the relevant operations of the dishwasher by detecting the water level variation. In the prior art, the water level of the box body of the dish washing machine is usually detected by methods such as air pressure detection, float switch detection and the like.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art: in the prior art, the gas collection box is wholly immersed in liquid through a pneumatic detection method, and residues and solidified grease easily block a gas guide pipe, so that a liquid level sensing device cannot accurately detect the liquid level; according to the float switch detection method, the floating ball is immersed in liquid, solidified grease and residues easily cause the float switch to be blocked, and the float switch cannot accurately detect the liquid level.

SUMMERY OF THE UTILITY MODEL

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides a liquid storage device capable of accurately detecting liquid level.

In some embodiments, the reservoir device comprises: the liquid storage device comprises a box body, a liquid storage tank and a liquid storage tank, wherein a containing cavity for storing liquid is formed in the box body, the box body is communicated with a detection tube, and the box body and the detection tube form a communicating vessel; the detection tube is provided with an opening, and the tube body of the detection tube is higher than the connection part of the detection tube and the box body; a liquid level sensing device disposed on an outer wall of the detection tube configured to monitor a level of liquid within the detection tube.

The liquid storage device provided by the embodiment of the disclosure can realize the following technical effects: through setting up the test tube on the box of stock solution device for box and test tube intercommunication form the linker, and set up liquid level sensing device on the outer wall of test tube, owing to need not directly put into liquid with liquid level sensing device, can make liquid level sensing device avoid the influence of stubborn greasy dirt and residue, thereby carry out accurate detection and have higher reliability to the liquid level.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:

FIG. 1 is a schematic structural diagram of a liquid storage device provided by an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a liquid level sensor in a liquid level sensing apparatus provided by an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a dishwasher provided in an embodiment of the present disclosure.

Reference numerals:

1: a box body; 2: a detection tube; 3: a liquid level sensing device; 4: a communicating pipe; 5: a seal member; 6: filtering with a screen; 7: a side wall; 8: a base plate; 9: a dishwasher; 301: a first electrode; 302: a second electrode; 303: a sensor body.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their examples and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. Specific meanings of the above terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art according to specific situations.

The term "plurality" means two or more unless otherwise specified.

In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

Referring to fig. 1, a liquid storage device provided in an embodiment of the present disclosure includes: the device comprises a box body 1, a detection pipe 2 and a liquid level sensing device 3; a containing cavity for storing liquid is formed in the box body 1, the box body 1 is communicated with a detection tube 2, and the box body 1 and the detection tube 2 form a communicating vessel; the detection tube 2 is provided with an opening, and the tube body of the detection tube 2 is higher than the connection part of the detection tube 2 and the box body 1; a liquid level sensing device 3 is provided on the outer wall of the detection tube 2, the liquid level sensing device 3 being configured to monitor the level of the liquid within the detection tube 2.

In some embodiments, the communicating vessel formed by the box 1 and the detection tube 2 can keep the liquid level in the box and the liquid level in the detection tube at the same height all the time. Like this, can realize monitoring the liquid level of liquid level in the box through set up liquid level sensing device on the detection pipe outer wall. The liquid storage device provided by the embodiment of the disclosure is provided with the detection tube on the box body of the liquid storage device, so that the box body and the detection tube are communicated to form the communicating vessel, the liquid level sensing device is arranged on the outer wall of the detection tube, and the liquid level sensing device is prevented from being influenced by stubborn oil stains and residues due to the fact that the liquid level sensing device is not required to be directly placed into liquid, so that the liquid level is accurately detected and has higher reliability.

Optionally, the box body 1 is communicated with the detection pipe 2 through a communication pipe 4; one end of the communicating pipe 4 is connected with the box body 1, and the other end of the communicating pipe 4 is communicated with the detecting pipe 2. Optionally, the other end of the communicating pipe 4 is connected with one end of the detection pipe 2; the other end of the detection tube 2 is provided with an opening.

Alternatively, communication pipe 4 is formed integrally with case 1. Alternatively, communication pipe 4 is an inclined straight pipe. Like this, through setting up communicating pipe into the straight tube of slope, when emptying liquid in to the box, can make the liquid in the detecting tube can flow back to in the box completely to prevent that there is residue accumulation or greasy dirt accumulation in the junction of detecting tube and communicating pipe.

Alternatively, the communication pipe 4 is disposed on the side wall 7 of the tank 1, and the connection of the communication pipe 4 and the side wall 7 is higher than the bottom plate 8 of the tank 1.

Alternatively, the distance at which the connection pipe 4 and the side wall 7 are higher than the bottom plate 8 of the tank 1 is within a preset range. In some embodiments, the height of the tank is 30 to 90 cm, with a predetermined range of 5 to 10 cm. Like this, with communicating pipe setting in the bottom plate certain distance department apart from the box, can prevent that the residue or the greasy dirt of submerging the bottom half from blockking up communicating pipe and leading to the liquid level in the detecting tube and the liquid level in the box not to be equal to make liquid level sensing device can carry out accurate detection to the liquid level.

Optionally, a filter screen 6 is disposed at a connection position of the communication pipe 4 and the side wall 7, so that the communication pipe 4 can be prevented from being clogged by the filter screen 6.

Alternatively, the diameter of the joint of tank 1 and communication pipe 4 needs to be larger than a preset diameter. In some embodiments, the preset diameter is 2 cm, and a filter screen is additionally arranged at the joint, so that the condition that the liquid level in the detection pipe and the liquid level in the box body are not even due to the blockage of residues such as stubborn oil stains or vegetable leaves on the communication pipe opening can be prevented.

Optionally, a sealing member 5 for preventing liquid leakage is provided at the connection of the communicating tube 4 and the detecting tube 2.

Optionally, the seal 5 is a sealing gasket. Optionally, the connection mode of the detection tube and the communicating tube is threaded connection, and the sealing washer is arranged at the connection position of the detection tube and the communicating tube.

Optionally, the sealing member 5 is a hose, the connection mode of the detection tube and the communication tube is interference fit, the hose is sleeved at the connection position of the detection tube and the communication tube, and a clamp is arranged on the outer wall of the hose to fix the hose at the connection position of the detection tube and the communication tube. Therefore, the sealing element is arranged at the joint of the detection pipe and the communication pipe, so that the tightness of the joint of the detection pipe and the communication pipe is improved, and liquid leakage can be prevented.

Optionally, the liquid storage device further comprises a prompting device, the prompting device is connected with the liquid level sensing device, and the prompting device is configured to receive a signal sent by the liquid level sensing device and prompt a user.

In some embodiments, the prompting device includes one or more of a buzzer, a Light Emitting Diode (LED) Light, and a voice announcement device. Optionally, the manner of prompting the user includes: buzzing, displaying red light, etc.

Optionally, the liquid level sensing device comprises: capacitive liquid level sensing device. Optionally, the capacitive liquid level sensing device is a non-contact liquid level sensing device. In some embodiments, the capacitive liquid level sensing device comprises a sensor body, a first sensing electrode plate and a second sensing electrode plate, wherein the capacitive liquid level sensor detects whether liquid exists or not by using the sensing capacitance of water; when no liquid is close to the first induction electrode plate and the second induction electrode plate, certain static capacitance exists on the sensor to the ground due to the existence of distributed capacitance, when the liquid level slowly rises to be close to the first induction electrode plate and the second induction electrode plate, the parasitic capacitance of the liquid is coupled to the static capacitance, the final capacitance value of the sensor is increased, and the liquid level change is obtained by monitoring the change of the capacitance value of the sensor. The non-contact liquid level sensing device is the prior art and will not be described herein.

Optionally, the liquid level sensing apparatus further comprises: an inductive liquid level sensing device.

Optionally, a sensitivity adjustment knob is provided on the liquid level sensing device. In some embodiments, a small amount of water droplets hanging on the inner wall of the detection tube is prevented from causing inaccurate detection of the sensor by adjusting the sensitivity of the liquid level sensing device.

As shown in fig. 2, optionally, the liquid level sensing apparatus includes: a first liquid level sensor and a second liquid level sensor; the first liquid level sensor and the second liquid level sensor each include: a first sensing electrode piece 301, a second sensing electrode piece 302 and a sensor body 303; the sensor body 303 is clamped on the outer wall of the detection tube 2 through a first induction electrode plate 301 and a second induction electrode plate 302; the first induction electrode piece 301 and the second induction electrode piece 302 form a capacitor structure; optionally, the detection tube is made of a non-metal material.

In some embodiments, the first and second sensing electrode pads are connected to a circuit board inside the sensor body; the first induction electrode plate is connected with the positive electrode on the circuit board, and the second induction electrode plate is connected with the negative electrode on the circuit board; thus, a capacitor structure is formed between the first induction electrode plate and the second induction electrode plate.

In some embodiments, the first level sensor is a high level sensor and the second level sensor is a low level sensor. In some embodiments, the liquid storage device is connected with a control device, the control device can monitor the water level in the liquid storage device through a control module according to a high water level sensor and a low water level sensor, and the control device can control the water adding pump or heat water in the liquid storage device according to the water level of the liquid storage device.

As shown in conjunction with FIG. 3, optionally, the disclosed embodiment provides a dishwasher 9 including the above-described reservoir.

Optionally, the reservoir is the main wash tank of the dishwasher 9, i.e. the cabinet 1.

Optionally, the level sensing device is connected to a control module of the dishwasher.

Optionally, the sensor body is clamped on the outer wall of the detection tube 2 by a first induction electrode plate and a second induction electrode plate. In some embodiments, the liquid level in the detection pipe is monitored by the capacitive liquid level sensor, when the liquid in the detection pipe is close to the first sensing electrode plate and the second sensing electrode plate, the capacitance formed between the first sensing electrode plate and the liquid and the capacitance formed between the second sensing electrode plate and the liquid become large, and the control module of the dishwasher monitors the variation state of the liquid level by monitoring the sensing capacitance between the first sensing electrode plate and the second sensing electrode plate.

Like this, through set up the test tube that non-metallic material made on the main box of washing of dish washer for the main box of washing forms the linker with the test tube, and set up liquid level sensing device on the outer wall of test tube, make liquid level sensing device not with by measuring water direct contact, so that liquid level sensing device does not receive the influence of stubborn greasy dirt and residue, thereby carries out the accuracy to the liquid level of dish washer main wash water tank and detects.

Optionally, be provided with liquid level sensing device on the detection pipe outer wall of main washing box, liquid level sensing device includes high water level sensor and low water level sensor, and the control module of dish washer can monitor the water level in the main washing water tank according to high water level sensor and low water level sensor, and the dish washer of being convenient for like this can control the water pump or heat the control to the water in the main washing water tank according to the water level of main washing water tank.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A liquid storage device, comprising:

the liquid storage device comprises a box body, a liquid storage tank and a liquid storage tank, wherein a containing cavity for storing liquid is formed in the box body, the box body is communicated with a detection tube, and the box body and the detection tube form a communicating vessel;

the detection tube is provided with an opening, and the tube body of the detection tube is higher than the connection part of the detection tube and the box body;

a liquid level sensing device disposed on an outer wall of the detection tube configured to monitor a level of liquid within the detection tube.

2. The apparatus of claim 1, wherein the tank communicates with the detection tube through a communication tube, wherein:

one end of the communicating pipe is connected with the box body, and the other end of the communicating pipe is communicated with the detection pipe.

3. The apparatus according to claim 2, wherein the communication pipe is disposed on a side wall of the tank, and a connection portion of the communication pipe with the side wall is higher than a bottom plate of the tank.

4. The device of claim 3, wherein a filter screen is disposed at a connection of the communication pipe and the sidewall.

5. The apparatus according to claim 2, wherein a junction of the communicating tube and the detection tube is provided with a packing for preventing liquid leakage.

6. The apparatus of claim 5, wherein the seal is a sealing gasket.

7. The apparatus of any one of claims 1 to 6, further comprising:

and the prompting device is connected with the liquid level sensing device and is configured to receive a signal sent by the liquid level sensing device and prompt a user.

8. The apparatus of claim 1, wherein the liquid level sensing device is a capacitive liquid level sensing device.

9. The apparatus of claim 1, wherein the liquid level sensing device comprises: a first liquid level sensor and a second liquid level sensor; the first and second level sensors each include: the sensor comprises a first induction electrode plate, a second induction electrode plate and a sensor body; the sensor body is clamped on the outer wall of the detection tube through the first induction electrode plate and the second induction electrode plate; the first induction electrode plate and the second induction electrode plate form a capacitor structure; the material of detecting tube is non-metallic material.

10. A dishwasher, comprising a reservoir as claimed in any one of claims 1 to 9, the reservoir being a main wash tank of the dishwasher.