CN218074901U

CN218074901U - Humidity detection device and cleaning machine with same

Info

Publication number: CN218074901U
Application number: CN202221535630.5U
Authority: CN
Inventors: 周啸天; 高旭东; 丁权
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-12-20
Anticipated expiration: 2032-06-17

Abstract

The utility model provides a humidity detection device and applied cleaning machine that has this detection device, this humidity detection device's casing is inside to be formed with the ventilation chamber, it has air intake and air outlet to open on the casing, separate the ventilation chamber for first ventilation chamber and second ventilation chamber through the baffle in the casing is inside, the air intake is linked together with first ventilation chamber, the air outlet is linked together with second ventilation chamber, install humidity transducer in second ventilation chamber, it has the ventilation hole of first ventilation chamber of intercommunication and second ventilation chamber to open on the baffle, install the blast gate mechanism that is used for closing and opening the ventilation hole on the casing. The inner container wall of the cleaning machine is provided with an air outlet hole which is in fluid communication with an air inlet of the humidity detection device. This humidity detection device can avoid humidity transducer directly to receive the washing machine intracavity rivers and strike, promotes the reliability and the temperature nature of humidity transducer work, reduces the short circuit risk, and under the washing machine intracavity malleation effect, the detection area is flowed through to a small amount of wind, and sensor probe can detect the intracavity humidity and hit more accurately.

Description

Humidity detection device and cleaning machine with same

Technical Field

The utility model relates to a cleaning equipment especially relates to a humidity detection device and applied cleaning machine that has this detection device.

Background

The existing cleaning machine like a dish washing machine generally has a storage function, and part of high-end machine types can even replace part of functions of a disinfection cabinet, so that tableware can be stored for a long time, and the trouble that the tableware needs to be transferred after being washed is avoided. Generally, a dishwasher controls the humidity in a chamber through a hot air drying assembly: for example, after washing, the tableware is dried by hot air, and for example, in a storage mode, hot air circulation is performed regularly (time sequence and time timing control), so that the risk of moisture regain is reduced, and peculiar smell and bacteria are prevented from breeding. The problems of the drying mode are as follows: the atmospheric humidity in different regions is greatly different, and the atmospheric humidity in different seasons and climates also needs a function of intelligently adjusting the humidity in the cavity, so that the humidity in the cavity is controlled in a range suitable for storing tableware, energy conservation and emission reduction can be realized to a greater extent, and pain points that the storage mode is forgotten to be set, the storage period is not known to be set for a long time (the clean storage function needs to be started repeatedly after the storage period expires) and the like due to operations such as startup and shutdown, power plugging and unplugging are also solved. In addition, regular hot air drying brings the increase of energy consumption, but drying efficiency is low, and the condition when humidity increases can not be accurately aimed at, and the weather of getting damp with very high humidity can not satisfy drying demand and condition again.

In addition, dish washer humidity is great under washing, the stoving operating mode, easily influences humidity transducer operating mode difference, need have certain seal assembly in the space that the air does not circulate, and the dish washer intracavity is certain inclosed, and the air humidity who directly communicates with the intracavity just can reflect the intracavity humidity value, because the impact of washing process rivers, directly arranges the sensor short circuit risk great in the intracavity.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first technical problem that will solve is to above-mentioned prior art current situation, provides a humidity detection device that can avoid humidity transducer to directly receive water impact.

The utility model discloses the second technical problem that will solve is to above-mentioned prior art current situation, provides a can promote humidity transducer and detect precision and life's cleaning machine.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: this humidity detection device, including the casing, the casing is inside to be formed with the ventilation chamber, and it has air intake and air outlet, its characterized in that to open on the casing: the utility model discloses a ventilation air conditioner, including casing, air inlet, air outlet, second ventilation chamber, humidity transducer, baffle, air inlet and second ventilation chamber, the casing is inside to be separated the chamber that ventilates for first ventilation chamber and second ventilation chamber through the baffle, the air inlet is linked together with first ventilation chamber, the air outlet is linked together with second ventilation chamber install humidity transducer in the second ventilation chamber open the ventilation hole that has first ventilation chamber of intercommunication and second ventilation chamber install on the casing and be used for closing and opening the blast gate mechanism in ventilation hole.

The air valve mechanism can have various structures, preferably, the air valve mechanism comprises a motor, a push rod and a valve plate, the motor is installed outside the shell, the push rod is installed on an output shaft of the motor and extends into the shell, and the valve plate is installed at the front end of the push rod and used for closing and opening the air vent. Thus, under the drive of the motor, the push rod drives the valve plate to open or close the vent hole.

Preferably, the push rod and the valve plate are arranged in the second ventilation cavity. Therefore, under the condition that the vent hole is closed, the high-temperature and high-humidity air in the first vent cavity cannot corrode the push rod and the valve plate.

The partition plate can have various different structures, and is preferably Z-shaped and vertically divides the first ventilation cavity and the second ventilation cavity, and the first ventilation cavity is positioned below the second ventilation cavity.

Further preferably, the middle of the partition board is a vertical part, and the vertical part is provided with the vent hole.

In order to install the humidity sensor in the second ventilation cavity, preferably, an installation groove is provided in the second ventilation cavity, and the humidity sensor is installed in the installation groove.

Preferably, a threading hole is formed in the position, close to the mounting groove, of the shell, a lead of the humidity sensor penetrates through the threading hole, and the threading hole forms the air outlet.

In order to prevent condensed water from dripping and gathering on the probe surface of the humidity sensor, the probe surface of the humidity sensor is arranged in parallel relative to a vertical plane under the state that the shell is vertically placed. Therefore, the condensed water condensed on the surface of the humidity sensor can slide downwards and cannot be accumulated at the temperature measuring probe, so that the short circuit risk is reduced.

In order to enable the humidity sensor and the air valve mechanism to be smoothly installed, the shell comprises a lower shell and an upper shell which are detachably connected with each other, the air inlet is formed in the lower shell, and the air outlet is formed in the lower shell or the upper shell.

The utility model provides a technical scheme that above-mentioned second technical problem adopted does: this cleaning machine is including the inner bag, its characterized in that: the humidity detection device is characterized in that a shell of the humidity detection device is arranged on the inner container wall, and an air outlet hole which is in fluid communication with an air inlet of the humidity detection device is formed in the inner container wall.

Compared with the prior art, the utility model has the advantages of: this humidity detection device separates the first ventilation chamber that communicates the air intake and the second ventilation chamber that communicates the air outlet through the inside baffle of casing, because humidity transducer installs in second ventilation intracavity, and can open or close the ventilation hole that communicates first ventilation chamber and second ventilation chamber through blast gate mechanism, can avoid humidity transducer directly to receive cleaning machine intracavity rivers impact, the reliability and the temperature nature of humidity transducer work have been promoted, short circuit risk has been reduced, under the effect of cleaning machine intracavity malleation, a small amount of wind flows through detection area, sensor probe can detect intracavity humidity more accurately, in addition, cleaning at the cleaning machine, high humidity process such as drying seals and completely cuts off humidity transducer detection area, but regular opening detects when being in storage mode, be favorable to promoting its detection precision and life.

Drawings

Fig. 1 is a schematic structural diagram of a humidity detection device according to an embodiment of the present invention;

FIG. 2 is an exploded view of the humidity sensing device shown in FIG. 1;

FIG. 3 is a schematic structural view of the humidity sensor shown in FIG. 1 with the vent holes closed;

FIG. 4 is a schematic structural view of the humidity sensor shown in FIG. 1 with the vent holes open;

FIG. 5 is a schematic view of an installation structure of the humidity detection device shown in FIG. 1 on the inner container wall of the washing machine;

FIG. 6 is a schematic view of the structure of FIG. 5 from another angle;

fig. 7 is an exploded view of the structure shown in fig. 5.

Detailed Description

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

As shown in fig. 1 to 4, the humidity detecting device of the present embodiment includes a housing 1, the housing 1 includes a lower housing 11 and an upper housing 12 detachably connected to each other, an air inlet 13 and an air outlet 14 are formed on the lower housing 11, and the upper housing 12 covers the lower housing 11. A ventilation chamber is formed inside the housing 1, and air flowing into the ventilation chamber from the air inlet 13 can be discharged to the outside of the housing 1 through the air outlet 14.

The ventilation cavity is divided into a first ventilation cavity 15 and a second ventilation cavity 16 by a partition plate 2 in the shell 1, the air inlet 13 is communicated with the first ventilation cavity 15, and the air outlet 14 is communicated with the second ventilation cavity 16. The partition plate 2 is Z-shaped and divides the first ventilation chamber 15 and the second ventilation chamber 16 up and down, and the first ventilation chamber 15 is located below the second ventilation chamber 16. The middle of the Z-shaped partition board 2 is a vertical part 22, a vent hole 21 is formed in the vertical part 22, and the first vent cavity 15 is communicated with the second vent cavity 16 through the vent hole 12.

A damper mechanism 4 for opening and closing the vent hole 12 is mounted on the housing 1. The air valve mechanism 4 of the embodiment includes a motor 41, a push rod 42 and a valve plate 43, the motor 41 can be fixed outside the housing 1 through screws, the push rod 42 is installed on an output shaft of the motor 41 and extends into the housing 1, and the valve plate 43 is installed at the front end of the push rod 42 and faces the vent hole 21.

The housing 1 of this embodiment is vertically disposed, the push rod 42 and the valve plate 43 are disposed in the second ventilation chamber 16, and the push rod is horizontally disposed. The push rod 42 is horizontally extended forward or retracted backward by the driving of the motor 41, and the valve sheet 43 closes the vent hole 21 when extended forward, and the valve sheet 43 opens the vent hole 21 when retracted backward.

An installation groove 17 is formed in the second ventilation cavity 16, and the humidity sensor 3 is installed in the installation groove 17 and fixed through viscose. After the humidity sensor 3 is installed, the probe surface of the humidity sensor 3 is arranged in parallel relative to the vertical plane. Thus, when the humidity detection device is facing downward, the probe face of the humidity sensor 3 is also facing downward. Thereby can prevent that the comdenstion water from dripping into, assemble at humidity transducer 3's probe face, improve the detection precision of sensor on the one hand, on the other hand avoids producing the short circuit hidden danger. In addition, a threading hole is formed in the position, close to the mounting groove 17, of the shell 1, a lead wire 31 of the humidity sensor 3 penetrates through the threading hole, and the threading hole forms an air outlet 14.

As shown in fig. 5 to 7, the cleaning machine of this embodiment includes the inner container and the humidity detection device, the casing 1 of the humidity detection device is installed on the inner container wall 5, the inner container wall 5 is provided with an air outlet 51, the air inlet 133 on the lower casing 11 is aligned with the air outlet 51, the air outlet 51 is in fluid communication with the air inlet 13, and the air inside the inner container 1 can flow into the inside of the casing 1 through the air outlet 51 and the air inlet 13. In addition, an exhaust assembly (not shown) and a hot air assembly (not shown) are also arranged on the inner container wall 5, and are both of the conventional design, and the expansion mode is not required.

Under the effect of the hot air assembly (not shown in the figure) of the cleaning machine, the cavity is in a positive pressure state, a small amount of air enters the first ventilation cavity 15 of the humidity detection device from the air inlet 13 and enters the second ventilation cavity 16 under the condition that the ventilation holes 12 are opened, and air with certain humidity covers the probe area of the humidity sensor, so that the detection of the humidity value is realized.

As shown in fig. 4, the vent hole 21 is opened, the humid air may partially enter the sensing area, and the humidity sensor 3 may feed back a humidity value signal. As shown in fig. 3, the vent hole 21 is closed, the detection area is sealed to some extent, and the humidity sensor 3 feeds back a constant value with small fluctuation (at this time, the hot air unit is not operated by default).

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions, which are hereinafter collectively referred to as a first portion and a second portion, respectively, that is, fluid gas, liquid or a mixture of the two can flow along a flow path from the first portion or/and be transported to the second portion, and may be the first portion and the second portion directly connected to each other, or the first portion and the second portion indirectly connected to each other through at least one third member, which may be a fluid passage such as a pipe, a passage, a duct, a flow guide member, a hole, a groove, or a chamber allowing fluid to flow therethrough, or a combination thereof.

Terms indicating directions, such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like, are used in the specification and claims of the present invention to describe various example structural parts and elements of the present invention, but these terms are used herein only for convenience of description and are determined based on example orientations shown in the drawings. Because the disclosed embodiments may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be construed as limiting, and for example, "upper" and "lower" are not necessarily limited to orientations opposite or consistent with the direction of gravity.

Claims

1. The utility model provides a humidity detection device, includes casing (1), casing (1) inside is formed with the ventilation chamber, and it has air intake (13) and air outlet (14), its characterized in that to open on the casing: casing (1) is inside to be separated the ventilation chamber through baffle (2) for first ventilation chamber (15) and second ventilation chamber (16), air intake (13) are linked together with first ventilation chamber (15), air outlet (14) are linked together with second ventilation chamber (16) install humidity transducer (3) in second ventilation chamber (16) open ventilation hole (21) that have first ventilation chamber of intercommunication (15) and second ventilation chamber (16) on baffle (2) install on casing (1) and be used for closing and opening ventilation valve mechanism (4) of ventilation hole (21).

2. A humidity detecting device according to claim 1, wherein: the air valve mechanism (4) comprises a motor (41), a push rod (42) and a valve plate (43), the motor (41) is installed outside the shell (1), the push rod (42) is installed on an output shaft of the motor (41) and stretches into the shell (1), and the valve plate (43) is installed at the front end of the push rod (42) and used for closing and opening the ventilation hole (21).

3. A humidity detecting device according to claim 2, wherein: the push rod (42) and the valve plate (43) are arranged in the second ventilation cavity (16).

4. A humidity detecting device according to claim 1, wherein: the partition plate (2) is Z-shaped and vertically partitions the first ventilation cavity (15) and the second ventilation cavity (16), and the first ventilation cavity (15) is located below the second ventilation cavity (16).

5. A humidity detection device according to claim 4, wherein: the middle of the clapboard (2) is provided with a vertical part (22), and the vertical part (22) is provided with the vent hole (21).

6. A humidity detecting device according to claim 1, wherein: an installation groove (17) is formed in the second ventilation cavity (16), and the humidity sensor (3) is installed in the installation groove (17).

7. A humidity detection device as claimed in claim 6, wherein: a threading hole is formed in the position, close to the mounting groove, of the shell (1), a lead (31) of the humidity sensor (3) penetrates through the threading hole, and the threading hole forms the air outlet (14).

8. A humidity detection device as claimed in claim 6, wherein: when the housing (1) is placed upright, the probe surface of the humidity sensor (3) is arranged parallel to the vertical plane.

9. A humidity detection device according to any one of claims 1 to 8, wherein: casing (1) is including casing (11) and last casing (12) of mutual detachable connection down, air intake (13) are located down on casing (11), air outlet (14) are located down on casing (11) or on last casing (12).

10. The cleaning machine comprises an inner container and is characterized in that: the humidity detection device as claimed in any one of claims 1 to 9, wherein the housing (1) of the humidity detection device is mounted on the inner container wall (5), and an air outlet (51) in fluid communication with the air inlet (13) of the humidity detection device is formed in the inner container wall (5).