CN217429930U

CN217429930U - Cleaning machine

Info

Publication number: CN217429930U
Application number: CN202220817427.0U
Authority: CN
Inventors: 赵书瀚
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-09-16
Anticipated expiration: 2032-04-08

Abstract

The utility model relates to a cleaning machine, which comprises a box body, wherein a liquid return area is formed at the bottom of the box body; a heating device; the control circuit board is in electrical signal connection with the heating device; the first temperature sensor is attached to the side wall of the box body, transmits temperature data to the control circuit board and is used for detecting the temperature of the wall of the box body; the second temperature sensor is arranged in the liquid return area, transmits temperature data to the control circuit board and is used for detecting the temperature of the cleaning liquid in the liquid return area; the temperature detection assembly comprises a module made of tableware materials and a third temperature sensor used for detecting the temperature of the module and transmitting temperature data to the control circuit board, wherein the module is fixed on the side wall of the box body and has a gap with the side wall of the box body. The washing machine can determine the condition of the dishes based on the principle of heat balance.

Description

Cleaning machine

Technical Field

The utility model relates to a cleaning machine.

Background

The accuracy of cleaning parameter directly influences the cleaning performance among the cleaning machine, can adopt some detection device to detect the turbidity condition in the cleaning machine or the tableware quantity condition in the cleaning machine among the prior art, and then matches corresponding cleaning parameter according to the testing result, and then reaches energy-conserving and cleaning performance's balanced matching.

Aiming at the scheme of adopting the turbidity sensor to detect the turbidity condition in the washing machine, the turbidity sensor has different sensitivities to different pollutants, and even if a small amount of specific pollutants are detected, the specific pollutants can be reflected greatly in turbidity, so that the machine misjudgment is caused. In addition, the turbidity sensor fails due to water scale, adhesive substances and the like after being used for many times, and the service life is short.

In order to improve the accurate judgment of the condition of the tableware, in the prior art, the image recognition technology is usually adopted to recognize the quantity of the tableware in the tank body and the condition of the tableware, for example, in chinese invention patent application publication No. CN112869679A (application No. 202110328020.1), a control method, a device, a dishwasher and a processor for the dishwasher, wherein the disclosed method is to adopt an image acquisition device to acquire the condition of the tableware in the washing machine, and adopt dynamic shooting for the putting-in process of the tableware. The technology needs to be provided with corresponding image acquisition equipment, and simultaneously has high requirements on a data processing chip, greatly improves the equipment cost and is relatively complex to realize. And the recognition rate is influenced by the factors such as the definition of the camera, whether the tableware placing position covers the camera and the like, and the recognition error rate is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a cleaning machine capable of determining the condition of tableware based on the heat balance principle is provided for the prior art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a cleaning machine comprises

The bottom of the box body is provided with a liquid return area;

the heating device is used for heating the cleaning liquid in the liquid return area;

the control circuit board is in electrical signal connection with the heating device and used for controlling the heating device to work and detecting and acquiring working data of the heating device, and the control circuit board can also perform data calculation;

the method is characterized in that: also comprises

The first temperature sensor is attached to the side wall of the box body, transmits temperature data to the control circuit board and is used for detecting the temperature of the wall of the box body;

the second temperature sensor is arranged in the liquid return area, transmits temperature data to the control circuit board and is used for detecting the temperature of the cleaning liquid in the liquid return area;

the temperature detection assembly comprises a module made of tableware materials, a third temperature sensor used for detecting the temperature of the module and transmitting temperature data to the control circuit board, and the module is fixed on the side wall of the box body and has a gap with the side wall of the box body.

In order to avoid the influence of the temperature on the side walls of the tank on the temperature of the modules, the modules are fixed to the side walls of the tank by non-heat-conducting connections.

Preferably, the third temperature sensor is disposed on the connecting member and connected with the module.

In order to conveniently replace the modules made of different tableware materials, detachable clamping components are arranged on the modules and the connecting pieces in a matched mode.

Simple structure ground, the joint subassembly includes trip and draw-in groove.

Preferably, the connecting piece is a pipe body piece, the first end of the connecting piece is fixed on the side wall of the box body, the second end of the connecting piece is connected with the module, the third temperature sensor is fixed in the connecting piece, and a caulking groove for embedding the detection head of the third temperature sensor is arranged at the position, connected with the connecting piece, of the module.

Preferably, the liquid return area is recessed relative to the bottom plate of the tank.

Conveniently assemble ground, the box includes box and lower box that involutes each other.

Preferably, the heating device is arranged in the liquid return zone.

Compared with the prior art, the utility model has the advantages of: the utility model provides a cleaning machine can keep away from according to heat balance and acquires the tableware quantity condition that has higher stability and accuracy, and the tableware quantity condition that this cleaning machine acquireed does not receive the tableware and puts influences such as angle, pollutant kind. Thus, the accurate cleaning parameters can be determined correspondingly.

Drawings

Fig. 1 is a perspective view of a cleaning machine according to an embodiment of the present invention.

Fig. 2 is another view of fig. 1.

Fig. 3 is a sectional view of the temperature detecting assembly installed on the box body in the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 and 2, the cleaning machine in the present embodiment includes a tank 1, a heating device 2, a control circuit board, a first temperature sensor 3, a second temperature sensor 4, and a temperature detection assembly 5. The control circuit board is internally provided with a control chip capable of performing data calculation.

Wherein based on specific product design, this box 1 can be the box 1 of structure as an organic whole, and box 1 includes upper box 1 and lower box 1 that from top to bottom involutes each other in this embodiment, not only makes things convenient for processing, still conveniently assembles. The bottom of box 1 is formed with liquid return district 11, and specifically, the recessed setting in bottom plate middle part of box 1 forms liquid return district 11, and the top in liquid return district 11 covers there is the waterlogging caused by excessive rainfall board usually, avoids impurity to enter into in the liquid return district 11. When the washing machine works, the washing liquid (usually water) in the liquid return area 11 is pumped into the spraying arm in the box body 1, and the spraying arm sprays the washing liquid onto the tableware in the box body 1, so that the washing work of the tableware is realized. And the cleaning liquid falling back based on gravity enters the liquid return area 11 again through the filtering action of the draining board, and the cleaning work is circularly carried out.

The heating device 2 is used for heating the cleaning liquid in the liquid return area 11. The heating device 2 may be disposed at different positions based on different product types, for example, the heating device 2 may be an external heating device 2, so that the cleaning liquid in the liquid returning region 11 may be pumped into the tank 1 after flowing through the heating device 2. The heating device 2 may also be a heating plate, which is disposed in the liquid return area 11 and further directly heats the cleaning liquid in the liquid return area 11. The control circuit board is connected with the heating device 2 through electric signals, the control circuit board not only can control the heating device 2 to work, but also can detect and acquire the working data of the heating device 2, and then the control circuit board can calculate the total output heat energy through the working data of the heating device 2.

The first temperature sensor 3 is attached to the side wall of the box body 1 and transmits temperature data to the control circuit board, the first temperature sensor 3 can be in electric signal connection with the control circuit board in a wireless or wired mode, and the first temperature sensor 3 is used for detecting the temperature of the wall of the box body 1. After acquiring the change of the temperature data detected by the first temperature sensor 3, the control circuit board can calculate the energy dissipation on the wall of the box body 1 based on the changed temperature.

The second temperature sensor 4 is arranged in the liquid return area 11 and transmits temperature data to the control circuit board, the second temperature sensor 4 can be in electric signal connection with the control circuit board in a wireless or wired mode, and the second temperature sensor 4 is used for detecting the temperature of the cleaning liquid in the liquid return area 11. The control circuit board can calculate the heat absorbed by the cleaning solution based on the change temperature after acquiring the change of the temperature data detected by the second temperature sensor 4.

As shown in fig. 3, the temperature detecting assembly 5 includes a module 51 made of a tableware material, and a third temperature sensor 52 for detecting the temperature of the module 51 and transmitting temperature data to the control circuit board, wherein the module 51 is fixed on the side wall of the box 1 with a gap therebetween. The third temperature sensor 52 may be electrically connected to the control circuit board in a wireless or wired manner, and the third temperature sensor 52 may detect a temperature change of the acquiring module 51.

Generally, the tableware to be washed in the washing machine mainly comprises dishes and chopsticks. And the bowl and dish material that user's family used is generally unanimous, like the bowl and dish that is ceramic material, the bowl and dish of stainless steel material, the bowl and dish of plastics material, and when the bowl and dish material was confirmed, the specific heat capacity of this material is fixed unchangeable, therefore control circuit board can calculate the heat that the bowl and dish absorbed based on the temperature change condition of bowl and dish, and chopsticks quality is far less than the quantity of bowl and dish, consequently can ignore the influence that chopsticks were calculated the absorption heat.

Based on the difference of the tableware material, the module 51 made of the corresponding material can be arranged, for example, the module 51 made of the ceramic material, the module 51 made of the stainless steel material and the module 51 made of the plastic material can be arranged, and the module 51 made of the corresponding material is selected based on the main material of the tableware placed in the washing machine for use. The mass of the module 51 may be set to a set unit mass, and the control circuit board calculates the amount of heat absorbed by the dishes per unit mass based on the temperature change value of the module 51 after acquiring the change in the temperature data detected by the third temperature sensor 52.

The module 51 is fixed on the side wall of the box 1 by the non-heat-conducting connecting piece 53, so that the heat transfer between the side wall of the box 1 and the module 51 can be avoided, and further the influence of the temperature on the side wall of the box 1 on the temperature change of the module 51 is avoided. The third temperature sensor 52 is disposed on the connector 53 and connected with the module 51. In order to replace the module 51 made of the corresponding material based on the condition that the material of the tableware is placed in the washing machine, the module 51 and the connecting piece 53 are provided with detachable clamping components in a matched mode. The clamping component comprises a clamping hook and a clamping groove. The specific setting positions of the clamping hook and the clamping groove are specifically set according to needs. If a hook can be provided on the module 51, a corresponding slot is correspondingly provided on the connecting piece 53, and the hook of the module 51 is placed in the slot of the connecting piece 53, the module 51 can be mounted on the connecting piece 53. Alternatively, the connecting element 53 may be provided with a latching hook, and the module 51 may be provided with a latching groove, such that the latching groove of the module 51 is aligned with the latching hook of the connecting element 53 for mounting thereon.

Specifically, the connecting member 53 in this embodiment is a pipe member, the first end of the connecting member 53 is fixed on the sidewall of the box 1, the second end of the connecting member 53 is connected to the module 51, the third temperature sensor 52 is fixed in the connecting member 53, and a caulking groove for embedding the detection head of the third temperature sensor 52 is provided at a position on the module 51 corresponding to the connection of the connecting member 53, so that the detection head of the third temperature sensor 52 is embedded in the caulking groove and attached to the module 51, and the temperature change of the module 51 is detected in real time.

During operation, based on heat balance principle, the heat that washing liquid obtained + the heat that the tableware obtained + the heat that the 1 lateral wall of box obtained is the heat-energy dissipation of heating device 2 output, because during operation, box 1 seals, and the heat dissipation of 1 inside of box is less relatively, can ignore energy dissipation. Based on the energy balance formula and the calculated heat values, the heat value obtained by the tableware can be calculated, so that based on the heat value obtained by the tableware and the heat value absorbed by the tableware in unit mass, the corresponding quality of the tableware is calculated, the condition of the tableware placed in the washing machine is obtained, and the washing parameters can be further determined based on the condition of the tableware. The calculation process is basic calculation based on common sense content, and the control circuit board can complete the basic data calculation work without a complex control method.

The cleaning machine in the embodiment can be an embedded cleaning machine and can also be a water tank type cleaning machine.

The utility model provides a cleaning machine, the output quantity of energy can be calculated based on heating device 2's working parameter, can calculate box 1 and go up absorptive heat based on the detection of first temperature sensor 3 to box 1 lateral wall upper temperature, can calculate the absorptive heat of washing liquid based on the detection of second temperature sensor 4 to the temperature of washing liquid in the liquid return district 11, can calculate the absorbed heat of unit mass tableware based on the detection of third temperature sensor 52 to the module 51 upper temperature, and then acquire the tableware quantity condition according to the heat balance calculation, the tableware quantity condition result of acquireing has higher stability and accuracy, so can confirm the cleaning parameter of relative accuracy. The quantity of the tableware obtained by the cleaning machine is not influenced by the tableware placing angle, the pollutant types and the like.

Directional terms such as "front," "rear," "upper," "lower," "left," "right," "side," "top," "bottom," and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the invention, but are used herein for convenience of description only and are to be determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.

Claims

1. A cleaning machine comprises

The bottom of the box body (1) is provided with a liquid return area (11);

the heating device (2) is used for heating the cleaning liquid in the liquid return area (11);

the control circuit board is in electric signal connection with the heating device (2) and is used for controlling the heating device (2) to work and detecting and acquiring working data of the heating device (2), and the control circuit board can also perform data calculation;

the method is characterized in that: also comprises

The first temperature sensor (3) is attached to the side wall of the box body (1), transmits temperature data to the control circuit board and is used for detecting the temperature of the wall of the box body (1);

the second temperature sensor (4) is arranged in the liquid return area (11), transmits temperature data to the control circuit board and is used for detecting the temperature of the cleaning liquid in the liquid return area (11);

the temperature detection assembly (5) comprises a module (51) made of tableware materials, and a third temperature sensor (52) used for detecting the temperature of the module (51) and transmitting temperature data to the control circuit board, wherein the module (51) is fixed on the side wall of the box body (1) and has a gap with the side wall of the box body (1).

2. The washing machine as claimed in claim 1, wherein: the module (51) is fixed to the side walls of the housing (1) by non-heat-conducting connections (53).

3. The cleaning machine of claim 2, wherein: the third temperature sensor (52) is arranged on the connecting piece (53) and is connected with the module (51).

4. The cleaning machine of claim 3, wherein: the module (51) and the connecting piece (53) are provided with detachable clamping components in a matching manner.

5. The cleaning machine of claim 4, wherein: the clamping component comprises a clamping hook and a clamping groove.

6. The cleaning machine of any one of claims 3 to 5, wherein: the connecting piece (53) is a pipe body piece, the first end of the connecting piece (53) is fixed on the side wall of the box body (1), the second end of the connecting piece (53) is connected with the module (51), the third temperature sensor (52) is fixed in the connecting piece (53), and a caulking groove for embedding the detection head of the third temperature sensor (52) is arranged at the position, connected with the connecting piece (53), on the module (51).

7. The cleaning machine of any one of claims 1 to 5, wherein: the liquid return area (11) is arranged in a concave mode relative to the bottom plate of the box body (1).

8. The cleaning machine of any one of claims 1 to 5, wherein: the box body (1) comprises an upper box body (1) and a lower box body (1) which are mutually folded.

9. The cleaning machine of any one of claims 1 to 5, wherein: the heating device (2) is arranged in the liquid return area (11).