CN110052054B

CN110052054B - Dehumidifying device and precision instrument

Info

Publication number: CN110052054B
Application number: CN201910273224.2A
Authority: CN
Inventors: 程时毅
Original assignee: Shenzhen Infineon Information Co ltd
Current assignee: Shenzhen Infineon Information Co ltd
Priority date: 2019-04-04
Filing date: 2019-04-04
Publication date: 2023-07-04
Anticipated expiration: 2039-04-04
Also published as: CN110052054A

Abstract

The invention is suitable for the field of dehumidifiers for dehumidifying gaseous water, and provides a dehumidifying device and precise instruments. The dehumidifying device comprises a shell, a condensing assembly and an atomizing assembly, wherein the condensing assembly comprises a semiconductor refrigerating element and a condensing piece, and the condensing piece is provided with a cooling hole which is communicated up and down; the atomization assembly comprises a vibrating plate, a water diversion core and a centralized disc, wherein the water diversion core penetrates through the cooling hole, the lower end of the water diversion core is abutted to the centralized disc, the upper end of the water diversion core is abutted to the vibrating plate, the centralized disc and the shell enclose to form a water-gas condensation reaction space, water gas is condensed on the surface of a condensation piece to form liquid water, the water diversion core transfers the liquid water to micropores of the vibrating plate, and the vibrating plate vibrates to atomize and discharge the liquid water. The dehumidifying device provided by the invention can realize long-acting dehumidification, and has the advantages of small overall structure and strong practicability.

Description

Dehumidifying device and precision instrument

Technical Field

The invention belongs to the field of dehumidifiers for dehumidifying gaseous water, and particularly relates to a dehumidifying device and precise instrument equipment.

Background

The phenomenon of unbalanced temperature difference between the inner space and the outer space can occur in the practical use process of the instrument, and when the temperature difference reaches a certain range, the inner cavity of the instrument is under certain relative humidity, and the phenomenon of water vapor condensation can occur in the inner space (first space) of the instrument. This phenomenon may cause problems such as fogging of the glass of the image pickup apparatus, influence of image quality, occurrence of short-circuit damage to the precision electronic circuit, and the like. The usual solutions in practical applications are: a desiccant is added to the interior space. Although the solution can prevent the phenomenon of condensation of water vapor for a certain period of time, the desiccant can fail after absorbing water for a long time, so that the problem occurs again.

Disclosure of Invention

The object of the present invention is to overcome the above-mentioned drawbacks of the prior art and to provide a dehumidifying device and a precision instrument device which aim to dehumidify an inner space (first space) of an instrument.

The present invention provides a dehumidifying apparatus for transferring water vapor from a first space, which may be an internal space of various instruments, to a second space, which refers to an external atmosphere space of the instruments.

The dehumidifying apparatus includes:

the shell is of a columnar structure extending up and down and is internally provided with an accommodating cavity penetrating up and down, and the accommodating cavity is communicated with the first space and the second space;

the condensing component is fixed in the accommodating cavity and comprises a semiconductor refrigerating element and a condensing piece, the condensing piece is connected to the cold end of the semiconductor refrigerating element and is used for condensing water vapor in the accommodating cavity into liquid water, and the upper surface of the condensing piece is provided with a cooling hole which penetrates up and down;

the atomization assembly comprises a vibrating plate, a water diversion core and a centralized disc which are all fixed in the accommodating cavity and are arranged up and down in sequence, the water diversion core penetrates through the cooling hole, the lower end of the water diversion core is abutted to the centralized disc, the upper end of the water diversion core is abutted to the vibrating plate, the centralized disc is used for collecting liquid water, a plurality of air inlets which penetrate up and down to allow water vapor in the first space to enter the accommodating cavity are formed in the side surface of the centralized disc inwards, micropores which are communicated with the accommodating cavity and the second space are formed in the positions, abutted to the water diversion core, the water diversion core is used for absorbing the liquid water and can transfer the liquid water into the micropores under the capillary action, and blocking the water vapor in the second space from the micropores to enter the accommodating cavity, and the vibrating plate vibrates at high frequency to move the liquid water in the micropores to the second space.

Further, a plurality of guide grooves which are vertically penetrated are outwards formed in the hole wall of the condensation piece.

Further, the side surface of the condensing piece is internally provided with a plurality of extending grooves which are penetrated up and down.

Further, the outer surface of the diversion core is abutted against the hole wall of the cooling hole.

Further, the upper surface of the centralized disc is recessed towards the center of the structure, and the diversion core is abutted against the center position of the upper surface of the centralized disc.

Further, the hot end of the semiconductor refrigeration element is connected with the shell.

Further, the housing is provided with external threads on its outer surface.

Further, the shell is sequentially divided into a limiting section, a watertight section and a connecting section from top to bottom, the limiting section of the shell is provided with an outward bulge, the watertight section of the shell is internally provided with a sealing groove, and the connecting section of the shell is provided with external threads;

the dehumidifying device further comprises a sealing ring and a connecting nut, wherein the sealing ring is sleeved on the sealing groove, and the connecting nut is provided with an internal thread matched with the external thread.

Further, the dehumidifying device further comprises a temperature sensor, a humidity sensor and a controller, wherein the temperature sensor is used for sensing the temperature of the first space and transmitting the temperature information to the controller, the humidity sensor is used for sensing the humidity of the first space and transmitting the humidity information to the controller, and the controller controls the opening and closing of the condensing assembly and the atomizing assembly according to the temperature and the humidity.

The invention also provides precision instrument equipment, which comprises the dehumidifying device.

According to the dehumidifying device provided by the invention, the accommodating cavity of the shell provides a reaction space for condensation and atomization of water vapor, and the condensation component and the atomization component are matched and arranged for adjusting the temperature and humidity of the first space so as to realize long-acting dehumidification. The condensing assembly and the atomizing assembly are exquisite in design and compact in structure, so that the dehumidifying device is small in overall size and applicable to most instruments, such as camera equipment, and the practicability is high.

Drawings

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

FIG. 1 is a front view of a dehumidifying apparatus according to a first embodiment of the present invention;

FIG. 2 is a schematic illustration of the connection of a condensing assembly and an atomizing assembly in accordance with one embodiment of the present invention;

FIG. 3 is a cross-sectional view of a dehumidifying apparatus according to a first embodiment of the present invention;

fig. 4 is a structural exploded view of a dehumidifying apparatus according to a first embodiment of the present invention.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				10	Shell body	30	Atomizing assembly
11	Accommodating cavity	31	Vibrating plate
				12	Protrusions	32	Centralized disc
13	External screw thread	321	Air inlet hole
				20	Condensing assembly	33	Water diversion core
21	Semiconductor refrigerating element	34	Fixing piece
				22	Condensation piece	40	Pressing plate
221	Cooling hole	41	Air outlet hole
						50	Sealing ring
		60	Connecting nut

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

It should be further noted that, in the embodiment of the present invention, the XYZ rectangular coordinate system established in fig. 1 is defined as follows: one side in the positive direction of the X axis is defined as the front, and one side in the negative direction of the X axis is defined as the rear; one side in the positive direction of the Y axis is defined as the left side, and one side in the negative direction of the Y axis is defined as the right side; one side in the positive direction of the Z axis is defined as upper and one side in the negative direction of the Z axis is defined as lower.

It should be further noted that terms such as left, right, upper, and lower in the embodiments of the present invention are merely relative concepts or references to normal use states of the product, and should not be construed as limiting.

Example 1

Referring to fig. 1 to 4, the present embodiment provides a dehumidifying device for transferring water vapor from a first space to a second space. The first space may be the interior space of various instruments and the second space refers to the exterior atmosphere space of the instrument. The dehumidifying device is used for discharging the water vapor in the instrument to the external atmosphere space so as to avoid the phenomenon of water vapor condensation in the instrument.

The dehumidifying apparatus includes a housing 10, a condensing assembly 20, and an atomizing assembly 30.

The casing 10 has a cylindrical structure extending up and down, and a vertically through accommodating cavity 11 is formed in the casing, and the accommodating cavity 11 is communicated with the first space and the second space. The condensing unit 20 and the atomizing unit 30 are fixed in the accommodating cavity 11, and the shell 10 provides a reaction space for the condensing unit 20 and the atomizing unit 30.

The cooperation setting of condensation subassembly 20 and atomizing subassembly 30 adjusts the temperature and the humidity of first space: the condensation assembly 20 is used for condensing the water vapor in the accommodating cavity 11 into liquid water, and the atomization assembly 30 atomizes and transfers the liquid water to the second space.

The condensing assembly 20 comprises a semiconductor refrigerating element 21 and a condensing part 22, wherein the condensing part 22 is connected to the cold end of the semiconductor refrigerating element 21 and is used for condensing the water vapor in the accommodating cavity 11 into liquid water, and the upper surface of the condensing part 22 is provided with a cooling hole 221 which penetrates up and down. The adoption of the semiconductor refrigeration element 21 is beneficial to accurate temperature control, and the accuracy can reach + -0.1 DEG by using a closed-loop temperature control circuit. In addition, the semiconductor refrigeration element 21 has good cooling efficiency compared with water cooling or other cooling modes, and the structure is smaller and more compact, which is beneficial to reducing the size of the structure. The number of semiconductors required can be adjusted according to the actual need by selecting the semiconductor refrigeration element 21. Since the present dehumidifying apparatus is used for dehumidifying the inside of an appliance, the size of the inside space of the appliance is small (compared to the room of an air conditioner), and thus the number of semiconductors required for the semiconductor refrigeration element 21 is small, thereby further reducing the size of the structure.

The provision of the condensing member 22 effectively extends the contact area of the cold end and air to increase the air condensing speed, and in addition, the provision of the condensing member 22 provides a condensation point for condensation of moisture and facilitates directing the direction of the collection of the condensation of moisture.

The atomizing assembly 30 comprises a vibrating plate 31, a water diversion core 33 and a collecting disc 32 which are all fixed in the accommodating cavity 11 and are sequentially arranged up and down, the water diversion core 33 passes through the cooling hole 221, the lower end of the water diversion core is abutted against the collecting disc 32, the upper end of the water diversion core is abutted against the vibrating plate 31, the collecting disc 32 is used for collecting liquid water, a plurality of air inlets 321 which penetrate up and down in order to allow water vapor in the first space to enter the accommodating cavity 11 are formed in the side surface of the water diversion core, micropores which are communicated with the accommodating cavity 11 and the second space are formed in the positions, abutted against the water diversion core 33, of the vibrating plate 31 are used for adsorbing the liquid water and transferring the liquid water into the micropores under the capillary action, and blocking the water vapor in the second space from the micropores to enter the accommodating cavity 11, and the vibrating plate 31 vibrates at high frequency so as to move the liquid water in the micropores to the second space. That is, the vibration plate 31, the condensing unit 20, and the collecting tray 32 are sequentially disposed up and down, the vibration plate 31, the collecting tray 32, and the housing 10 enclose to form a water vapor condensation reaction space, water vapor is condensed on the surface of the condensing unit 22 to form liquid water and is collected on the upper surface of the collecting tray 32, the liquid water is transferred to the micro holes of the vibration plate 31 by the water diversion core 33, and the vibration plate 31 vibrates to atomize and discharge the liquid water. The vibration plate 31 is configured to atomize the liquid water by using micro-holes and high-frequency vibration, and has a simple and compact structure, thereby facilitating miniaturization of the entire structure. The water diversion core 33 transfers liquid water by utilizing the capillary principle, has a simple structure, and is beneficial to miniaturization of the whole structure. The water diversion core 33 passes through the cooling hole 221, so that the structure is more compact, and the miniaturization of the whole structure is facilitated.

In summary, in the dehumidifying device provided in this embodiment, the accommodating cavity 11 provides a reaction space for condensation and atomization of water vapor, and the condensation assembly 20 and the atomization assembly 30 are cooperatively arranged to adjust the temperature and humidity of the first space, so as to realize long-acting dehumidification. The condensation assembly 20 and the atomization assembly 30 are exquisite in design and compact in structure, so that the dehumidifying device is small in overall size, applicable to most instruments, such as camera equipment, and high in practicability.

In this embodiment, the dehumidifying device further includes a temperature sensor (not shown), a humidity sensor (not shown) and a controller, wherein the temperature sensor is used for sensing the temperature of the first space and transmitting temperature information to the controller, the humidity sensor is used for sensing the humidity of the first space and transmitting humidity information to the controller, and the controller controls the condensation assembly 20 and the atomization assembly 30 to be turned on or turned off according to the temperature information and the humidity information. The design sets reasonable opening and closing conditions for the condensation component 20 and the atomization component 30, the condensation component 20 and the atomization component 30 are started when the first space environment is close to the condensation point of water vapor, and the condensation component 20 and the atomization component 30 are closed after condensation and atomization are performed for a certain period of time or after the temperature and the humidity reach a certain value. Thereby being beneficial to saving energy.

Referring to fig. 3, the hot end of the semiconductor refrigeration element 21 is connected to the housing 10. Therefore, the whole shell 10 is a heat radiation body, so that the heat radiation area is increased, and the effect of rapid heat radiation is achieved. The housing 10 is made of a material with good heat conduction, preferably, the housing 10 is made of a metal material, and the heat dissipation of the hot end is assisted while providing the required structural strength for the dehumidifying device. In addition, in combination with the arrangement of the external thread 13 of the housing 10, which will be described later, the contact area of the housing 10 with air is also increased, thereby promoting further heat dissipation.

Referring to fig. 4, the condensing member 22 is provided with a plurality of extending grooves extending up and down on the side surface thereof, which is beneficial to increasing the contact area between the condensing member 22 and the air, thereby increasing the condensing efficiency. In addition, the extending groove is communicated up and down, so that water and gas can be collected downwards after the outer surface is condensed. In the illustrated embodiment, there is one cooling hole 221, and in other embodiments, there may be a plurality of cooling holes 221. The water wick 33 passes through one of the cooling holes 221.

Referring to fig. 4 again, the condensing element 22 is provided with a plurality of guiding grooves extending up and down from the hole wall, which is beneficial to increasing the contact area between the condensing element 22 and the air, thereby increasing the condensing efficiency. In addition, the guide is communicated up and down, so that the water vapor is collected downwards after the condensation of the outer surface. In other embodiments, the walls of the condensing member 22 may be other concave-convex surfaces to increase the contact area of the condensing member 22 with air.

In this embodiment, the condensation member 22 is made of a material with good heat conduction, such as a heat-conducting silica gel, a graphene heat-conducting sheet, and the like.

Referring to fig. 3, the diameter of the condensing member 22 is smaller than the outer diameter of the concentration plate 32. In the illustrated embodiment, the plurality of air intake holes 321 are located in an outer region of the condensing element 22 projected on the concentration plate 32. Thereby preventing liquid water dropped from the condensation member 22 from falling into the air intake hole 321.

The center plate 32 is connected to the housing 10, the upper surface of the pallet is recessed toward the center of the structure, and the water diversion core 33 is abutted against the center position of the upper surface of the pallet. This design facilitates focusing of the liquid water toward a central location, thereby improving the efficiency of the wick 33 in delivering the liquid water.

Referring to fig. 3, the water diversion core 33 has a cylindrical shape, and an outer surface thereof abuts against the cooling hole 221. The liquid water condensed on the hole wall is directly absorbed by the water diversion core 33 and guided to the vibration plate 31. The liquid water transfer speed is improved, and the dehumidification efficiency is improved. In other embodiments, the wick 33 may be other shapes. In the illustrated embodiment, the water diversion core 33 is disposed in cooperation with the cooling hole 221, and the hole wall of the cooling hole 221 is in full contact with the outer surface of the water diversion core 33, and in other embodiments, the hole wall of the cooling hole 221 may be in partial contact with the outer surface of the water diversion core 33.

In this embodiment, the water diversion core 33 is made of a water diversion cotton material, and may be formed by twisting common cotton threads, or may be a composite cotton fabric.

Referring to fig. 3 and 4, the atomizing assembly 30 further includes a fixing member 34 for fixing the vibration plate 31, wherein the fixing member 34 is a cylindrical body with an annular cross section, the vibration plate 31 is a circular plate, and an outer surface thereof is connected to an inner surface of the fixing member 34.

The dehumidifying device further includes a pressing plate 40 for connecting the fixing member 34 to the housing 10, and an air outlet hole 41 for discharging the water vapor to the second space is provided in the middle of the pressing plate 40.

The housing 10 has a receiving groove formed downward on an upper surface thereof, and the pressing plate 40 press-fixes the fixing member 34 in the receiving groove. The fixing member 34 has a height greater than the thickness of the vibration plate 31, and the fixing member 34 is provided to fix the plate end of the vibration plate 31, and the vibration plate 31 is thin to reduce energy required for high-frequency vibration. The outer surface and the upper and lower surfaces of the fixing member 34 are defined, and since the fixing member 34 is thick, the outer surface thereof is defined with a larger surface area to enhance the connection firmness. In addition, the fixing plate is thicker, so that the installation is convenient.

Referring to fig. 1 or 4, the housing 10 is provided with external threads 13 on its outer surface. The connection mode of the dehumidifying equipment and the apparatus to be dehumidified is as follows: the external screw thread 13 of the dehumidifying equipment is connected with the screw hole of the apparatus by screw, so that the dehumidifying equipment can be installed on the apparatus, and the dismounting is convenient.

Referring to fig. 1 and 4, the dehumidifying device further includes a sealing ring 50 and a connecting nut 60. The shell 10 is sequentially divided into a limiting section, a watertight section and a connecting section from top to bottom, the shell 10 is provided with an outward bulge 12 in the limiting section, the bulge 12 is in a chamfer regular hexagon in horizontal projection, the shell 10 is internally provided with a sealing groove matched with the sealing ring 50 in the watertight section, the shell 10 is provided with an external thread 13 in the connecting section, and the connecting nut 60 is provided with an internal thread matched with the external thread 13. The sealing shell of the sealing device is provided with a screw hole matched with the external thread 13, and the connection steps of the dehumidifying device and the sealing device are as follows: the sealing ring 50 is sleeved into the sealing groove from bottom to top, then the shell 10 is screwed into the screw hole, the connecting nut 60 enters the connecting section from bottom to top, and the shell 10 is pressed against the sealing ring 50 or the bulge 12, so that the installation is completed. The protrusions 12 serve to limit upward displacement of the seal ring 50 and the coupling nut 60. Meanwhile, the design of the chamfer regular hexagon is convenient for manual rotation, and connection and installation are achieved. The provision of the seal ring 50 and the seal groove ensures water tightness at the screw hole.

Example two

The invention also provides precision instrument equipment, which comprises the dehumidifying device with the first embodiment, and the specific structure of the dehumidifying device refers to the first embodiment. Because the precision instrument adopts all the technical schemes of the first embodiment, the precision instrument has all the beneficial effects brought by the technical schemes of the first embodiment, and the detailed description is omitted.

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

Claims

1. A dehumidifying device for transferring water vapour from a first space to a second space, characterized in that,

comprising the following steps:

the atomization assembly comprises a vibrating plate, a water diversion core and a centralized disc which are all fixed in the accommodating cavity and are arranged up and down in sequence, the water diversion core penetrates through the cooling hole, the lower end of the water diversion core is abutted against the centralized disc, the upper end of the water diversion core is abutted against the vibrating plate, the centralized disc is used for collecting liquid water, a plurality of air inlets which penetrate up and down to allow water vapor in the first space to enter the accommodating cavity are formed in the side surface of the centralized disc inwards, micropores which are communicated with the accommodating cavity and the second space are formed in the positions, abutted against the water diversion core, of the vibrating plate are used for absorbing the liquid water, transferring the liquid water into the micropores under the capillary action and blocking the water vapor in the second space from entering the accommodating cavity, and the vibrating plate vibrates at high frequency to move the liquid water in the micropores to the second space;

the shell is provided with external threads on the outer surface thereof;

the hot end of the semiconductor refrigeration element is connected with the shell;

the outer surface of the diversion core is abutted against the hole wall of the cooling hole.

2. The dehumidifying device as claimed in claim 1 wherein the condensing member is provided with a plurality of guide grooves penetrating up and down outwardly at the wall of the hole thereof.

3. The dehumidifying device as claimed in claim 1 wherein the condensing member is provided with a plurality of extending grooves penetrating up and down inwardly at side surfaces thereof.

4. The dehumidifying device as claimed in claim 1 wherein the central disk is recessed toward the center of the structure at its upper surface, and the wick is abutted against the central position of the upper surface of the central disk.

5. The dehumidifying device as claimed in claim 1 wherein the housing is divided into a limiting section, a watertight section and a connecting section in sequence from top to bottom, wherein the housing is provided with an outward protrusion at the limiting section, the housing is provided with a sealing groove inwards at the watertight section, and the housing is provided with the external thread at the connecting section; the dehumidifying device further comprises a sealing ring and a connecting nut, wherein the sealing ring is sleeved on the sealing groove, and the connecting nut is provided with an internal thread matched with the external thread.

6. The dehumidification device of claim 5, further comprising a temperature sensor for sensing a temperature of the first space and communicating the temperature information to the controller, a humidity sensor for sensing a humidity of the first space and communicating the humidity information to the controller, and a controller for controlling opening and closing of the condensation assembly and the atomization assembly based on the temperature information and the humidity information.

7. A precision instrument apparatus comprising the dehumidifying device according to any one of claims 1 to 6.