CN219679000U

CN219679000U - Fresh air controller

Info

Publication number: CN219679000U
Application number: CN202321066316.1U
Authority: CN
Inventors: 刘未名; 欧德伟
Original assignee: Hangzhou Tuosheng Intelligent Technology Co ltd
Current assignee: Hangzhou Tuosheng Intelligent Technology Co ltd
Priority date: 2023-05-06
Filing date: 2023-05-06
Publication date: 2023-09-12
Anticipated expiration: 2033-05-06

Abstract

The utility model discloses a fresh air controller, which comprises a base shell and a protective cover, wherein the base shell and the protective cover enclose a controller cavity, a partition board for separating the controller cavity into a first cavity and a second cavity is arranged on the inner wall of the base shell, an air inlet channel for communicating the first cavity with the second cavity is arranged on the partition board, a detachable drying sheet is arranged in the air inlet channel, the first cavity is positioned at the rear side of the drying sheet, a circuit board is arranged in the first cavity, a sensor for detecting air quality is arranged in the second cavity, an air inlet for providing air for the controller cavity is arranged on the protective cover, an air pump is arranged in the second cavity, the air suction end of the air pump is divided into two parts and is respectively communicated with the first cavity and the second cavity, and the air outlet end of the air pump extends to the outer side of the protective cover.

Description

Fresh air controller

Technical Field

The utility model relates to the technical field of controllers, in particular to a fresh air controller.

Background

The fresh air system is a device for replacing and purifying indoor air by exhausting indoor air to the outside and simultaneously introducing fresh air from the outside, and purifying the air introduced from the outside and then releasing the purified air to the inside so as to create a space environment suitable for human life and living.

The fresh air controller is a multifunctional household intelligent air quality and environment monitoring control product, can effectively monitor the real-time change condition of indoor air quality and temperature and humidity in real time, and can intelligently control the fresh air system to adjust the indoor air quality and the environment temperature and humidity, so that the optimal state of the indoor air quality and the environment is always maintained.

The existing fresh air controller is internally provided with a temperature sensor, a humidity sensor and a circuit board for assembling electronic parts, wherein the sensor and the circuit board are arranged in the same chamber, external air is sucked by an air pump to enter the chamber, and then the quality of the air is detected by the sensor;

when the inhaled air humidity is higher, the inside of the cavity of the fresh air controller is easy to accumulate water vapor, the existence of the water vapor easily enables electronic parts on the circuit board to be short-circuited, and the service life of the circuit board is reduced.

Therefore, how to design a fresh air controller for reducing the influence of air humidity on a circuit board is a technical problem to be solved urgently by those skilled in the art.

Disclosure of Invention

In order to solve at least one technical problem in the background art, the utility model aims to provide a fresh air controller which solves the problem that the service life of a circuit board is influenced due to high air humidity.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a fresh air controller, includes base shell and cover establishes the protection casing in the base shell outside, and wherein, base shell encloses the controller cavity with the protection casing, the baffle with first cavity and second cavity is separated to the controller cavity is installed to the inner wall of base shell, be equipped with the intake duct with first cavity and second cavity intercommunication on the baffle, install detachable dry piece in the intake duct, first cavity is located the rear side of dry piece, and first cavity internally mounted has the circuit board, and second cavity internally mounted has the sensor that is used for air quality to detect, is equipped with the air intake that provides the air to the controller cavity on the protection casing, installs the air pump in the second cavity, the end of breathing in of air pump divide into two, communicates with first cavity and second cavity respectively, the end of giving vent to anger of air pump extends to the protection casing outside.

Furthermore, the inner peripheral wall of the base shell is provided with a limiting flange, and the baffle is propped against the limiting flange and fixed through bolts.

Further, the inner wall of the base shell is provided with a guide post arranged along the depth of the controller cavity, the side wall of the partition plate is provided with an error-proofing groove penetrating through the base shell from front to back, and the guide post is inserted into the error-proofing groove during installation.

Further, the air inlet is arranged at the top of the partition board and the opening is upward, a C-shaped mounting groove is formed in the inner wall of the air inlet, a plugging groove aligned with the mounting groove is formed in the base shell, a filter frame is inserted into the plugging groove and the mounting groove, and the drying sheet is fixed on the filter frame.

Furthermore, a spring is fixedly arranged on the bottom wall of the mounting groove, and one end of the spring abuts against the filter frame in the mounting state of the filter frame.

Further, the outer side wall circumference of base shell is equipped with the lock rib, the inside wall of protection casing be equipped with lock groove of lock rib looks adaptation, under the installed state, the lock rib peg graft to in the lock groove.

Further, the front side of the base shell is provided with a mounting plate, the mounting plate is provided with a mounting opening, and a display screen is mounted in the mounting opening.

Further, the guide post is provided with a plug hole, the mounting plate is fixedly provided with a plug post, the plug post is plugged into the plug hole in the mounting state, and the mounting plate is clamped between the protective cover and the base shell.

Further, an observation window aligned to the display screen is arranged on the protective cover.

Further, an air outlet is formed in the protective cover, an air outlet pipe is arranged at the air outlet end of the air pump, and the air outlet pipe extends into the air outlet.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the controller cavity is separated into the first cavity and the second cavity by the partition plate, and then the circuit board and the air quality sensor are respectively arranged in the first cavity and the second cavity;

because the drying sheet can be disassembled, when the drying sheet fails, the drying sheet can be replaced, and the service life of the whole fresh air controller is prolonged.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a cross-sectional view of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3A;

FIG. 5 is a schematic structural view of the base housing;

FIG. 6 is a schematic structural view of a protective cover;

FIG. 7 is a schematic structural view of a mounting plate;

fig. 8 is a schematic structural view of the separator.

In the figure: 1. a base housing; 11. a buckling rib; 12. a limit flange; 13. a guide post; 131. a plug hole; 14. a plug-in groove; 2. a protective cover; 21. an observation window; 22. an air inlet; 23. a guide slope; 24. a buckling groove; 25. an air outlet; 3. a mounting plate; 31. a mounting port; 32. a plug-in column; 4. a partition plate; 41. an error prevention groove; 42. pushing the column; 43. an air inlet channel; 44. a mounting groove; 5. a circuit board; 6. an air pump; 7. a display screen; 8. a filter frame; 9. drying the sheet; 10. a spring; 101. a first chamber; 102. a second chamber.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment provides a new trend controller, solves when air quality detects, the higher air of humidity forms steam in new trend controller inside, influences circuit board life's problem.

As shown in fig. 1 and 4, the fresh air controller comprises a base shell 1 and a protective cover 2 sleeved on the front side of the base shell 1, wherein the base shell 1 and the protective cover 2 are buckled and connected, so that the fresh air controller is convenient to detach.

Specifically, as shown in fig. 5 and 6, in order to realize the fastening connection between the protection cover 2 and the base housing 1, in this embodiment, as shown in fig. 2 and 5, the outer peripheral wall of the base housing 1 is provided with a fastening rib 11, as shown in fig. 6, the inner side wall of the protection cover 2 is circumferentially provided with a fastening groove 24 adapted to the fastening rib 11, and when the protection cover 2 is fastened to the outer side of the base housing 1, as shown in fig. 3 and 4, the fastening rib 11 is inserted into the outer side of the fastening groove 24, thereby preventing the protection cover 2 from falling off from the base housing 1.

In this embodiment, the protection cover 2 and the base housing 1 are made of plastic materials, and when the protection cover 2 is installed, the buckling position of the protection cover 2 and the base housing 1 can be slightly deformed, so that the buckling rib 11 is inserted into the buckling groove 24.

As shown in fig. 3, the protection cover 2 is fastened on the outer side of the base housing 1 to enclose a controller chamber for installing electronic components inside the fresh air controller, so that the moist air affects the circuit board when detecting the air quality, and therefore, the controller chamber needs to be separated from a corresponding installation space.

In this embodiment, as shown in fig. 3 and fig. 4, a first chamber 101 and a second chamber 102 for separating the controller chamber into front and rear two spaces are installed on the inner side of the base housing 1, wherein the front, rear, upper, lower, left and right directions are shown in the coordinates of fig. 2, as shown in fig. 3 and fig. 4, the second chamber 102 is located on the front side, the first chamber 101 is located on the rear side, an air inlet 43 communicated with the first chamber 101 and the second chamber 102 is provided on the partition 4, a replaceable drying sheet 9 is installed inside the air inlet 43, the drying sheet 9 is used for filtering water vapor in the air, and as shown in fig. 1 and fig. 3, an air inlet 22 communicated with the controller chamber is provided on the protective cover 2;

wherein the circuit board 5 is installed inside the first chamber 101, and a sensor for detecting air quality is installed inside the second chamber 102, wherein the sensor includes a temperature sensor, a humidity sensor, a formaldehyde concentration sensor, and a TOVC concentration sensor.

In order to enable the air outside the fresh air controller to enter the first chamber 101 and the second chamber 102 respectively and then be discharged outwards, in this embodiment, as shown in fig. 2 and fig. 3, the air pump 6 is fixedly installed on the lower wall of the second chamber 102, wherein the air suction end of the air pump 6 is provided with a two-divided air suction pipe, one end of the air suction pipe is located in the second chamber 102, the other end of the air suction pipe extends into the first chamber 101 through the partition plate 4, and the air outlet end of the air pump 6 is provided with an air outlet pipe communicated with the outside air.

Through the arrangement, when the air pump 6 starts operation, the air suction pipe sucks external air at the moment, so that the first chamber 101 and the second chamber 102 form negative pressure, as shown in fig. 3 and 4, the external air enters the second chamber 102 through the air inlet 22, then the quality detection is performed through the air quality detection sensor, the negative pressure is formed in the first chamber 101, the external air flows through the second chamber 102 and then passes through the drying sheet 9 to enter the first chamber 101, and moisture in the air entering the first chamber 101 is absorbed by the drying sheet 9, so that the humidity of the air in the first chamber 101 is reduced, and the interference of the moisture on the circuit board 5 is prevented; the air inside the first chamber 101 and the second chamber 102 is discharged to the outside through the air outlet pipe of the air pump 6.

In order to install the circuit board 5, as shown in fig. 3, 4 and 8, in this embodiment, as shown in fig. 5, a support column is fixedly arranged on the rear wall of the first chamber 101, the circuit board 5 is placed on the support column, then the partition board 4 is plugged into the controller chamber from front to back, a push column 42 is fixedly arranged on the rear wall of the partition board 4, when the partition board 4 is pushed into the controller chamber, the push column 42 is made to abut against the circuit board 5, and then the circuit board 5 is installed by penetrating through the push column 42 and the support column through bolts in a threaded manner.

In order to enhance the tightness between the first chamber 101 and the second chamber 102 and limit the position of the partition board 4, in this embodiment, as shown in fig. 5, the inner side wall of the base housing 1 is provided with a limit rib 12 disposed circumferentially, when the partition board 4 is installed, as shown in fig. 3 and 4, the rear wall of the partition board 4 abuts against the limit rib 12, wherein a sealing ring may be added between the partition board 4 and the limit rib 12, and although not shown in the structural drawing of the sealing ring, the effect of the sealing ring for improving the tightness between the first chamber 101 and the second chamber 102 is well known to those skilled in the art, and does not affect the effect of the whole scheme.

In order to prevent the partition board 4 from making mistakes in the installation process, in this embodiment, as shown in fig. 5 and 8, two guide posts 13 are disposed on the inner wall of the controller chamber along the depth of the controller chamber, and error-preventing grooves 41 aligned with the guide posts 13 are disposed on the side walls of the left and right sides of the partition board 4, and when the partition board is installed, the error-preventing grooves 41 are aligned with the guide posts 13, and the guide posts 13 are inserted to the outer sides of the error-preventing grooves 41, so that the partition board 4 can be prevented from making mistakes in the installation process.

In order to realize the detachable installation of the drying sheet 9, in this embodiment, as shown in fig. 8, the air inlet 43 is opened at the upper portion of the partition board 4 and is communicated with the upper wall of the partition board 4, wherein the air inlet 43 has a C-shaped structure with an upward opening, the side wall of the air inlet 43 is provided with an inward concave mounting groove 44, and the filter frame 8 is inserted into the mounting groove 44, wherein the drying sheet 9 is installed on the filter frame 8.

Since the partition plate 4 is generally fixed to the base housing 1, in order to facilitate the insertion of the filter frame 8 into the mounting groove 44 from the outside of the base housing 1, in this embodiment, as shown in fig. 4 and 5, the upper wall of the base housing 1 is provided with the insertion groove 14, wherein the insertion groove 14 is in communication with the controller chamber, and the position of the insertion groove 14 is aligned with the position of the mounting groove 44, and the filter frame 8 can be inserted into the mounting groove 44 through the insertion groove 14.

When the protection cover 2 is not mounted on the base housing 1, the filter frame 8 is conveniently taken out from the plugging slot 14, in this embodiment, as shown in fig. 4, the spring 10 is fixedly mounted on the lower wall of the mounting slot 44, and when the filter frame 8 is mounted, the top of the spring 10 abuts against the bottom wall of the filter frame 8, so that the upper portion of the filter frame 8 can extend out of the base housing 1, and the filter frame 8 is conveniently taken out.

When the protection cover 2 is mounted on the base housing 1, for convenience, the filter frame 8 extending out of the base housing 1 is pressed into the insertion groove 14, in this embodiment, as shown in fig. 4 and 6, the inner wall of the protection cover 8 is provided with a guiding inclined plane 23 inclined inwards, wherein the guiding inclined plane 23 corresponds to the position of the filter frame 8, when the protection cover 2 is inserted onto the base housing 1 from front to back, at this time, the guiding inclined plane 23 on the inner side of the protection cover 2 abuts against the top of the filter frame 8, and presses the filter frame 8 into the insertion groove 14, and the state shown in fig. 4 is shown, at this time, the spring 10 is compressed.

Wherein, new trend controller still includes display screen 7, in order to install display screen 7, in this embodiment, the front side of base shell 1 is equipped with mounting panel 3, be equipped with mounting port 31 on the mounting panel 3, wherein display screen 7 installs in mounting port 31, and after the installation, as shown in fig. 3 and 4, mounting panel 3 centre gripping is between protection casing 2 and base shell 1.

In order to mount the mounting plate 3 on the base housing 1, in this embodiment, as shown in fig. 5 and 7, the guide post 13 is provided with a backward extending insertion hole 131, and the mounting plate 3 is fixedly provided with an insertion post 32, and when mounted, the insertion post 32 is inserted into the insertion hole 131.

In order to observe the data on the display 7, in this embodiment, as shown in fig. 1 and 6, an observation window 21 aligned with the display 7 is disposed on the protective cover 2, and the data on the display 7 is conveniently observed through the observation window 21.

Wherein, be equipped with air outlet 25 on the protection casing 2, the air-out pipe of air pump 6 extends to in the air outlet 25, conveniently outwards discharge the gas in the controller cavity.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides a new trend controller, includes base shell (1) and cover establish protection casing (2) in the base shell (1) outside, wherein, base shell (1) enclose controller cavity with protection casing (2), its characterized in that: the inner wall of base shell (1) is installed and is separated baffle (4) of first cavity (101) and second cavity (102) with the controller cavity, be equipped with on baffle (4) with intake duct (43) of first cavity (101) and second cavity (102) intercommunication, install detachable dry piece (9) in intake duct (43), first cavity (101) are located the rear side of dry piece (9), first cavity (101) internally mounted has circuit board (5), second cavity (102) internally mounted has the sensor that is used for air quality to detect, be equipped with air intake (22) that provide air to the controller cavity on protection casing (2), install air pump (6) in second cavity (102), the suction end of air pump (6) divide into two, communicate with first cavity (101) and second cavity (102) respectively, the end of giving vent to anger of air pump (6) extends to the protection casing (2) outside.

2. The fresh air controller according to claim 1, wherein: the base shell (1) is characterized in that a limiting flange (12) is arranged on the inner side peripheral wall of the base shell, and the partition plate (4) is abutted against the limiting flange (12) and fixed through bolts.

3. A fresh air controller according to claim 2, wherein: the inner wall of base shell (1) is equipped with guide post (13) that set up along controller cavity degree of depth, the lateral wall of baffle (4) is equipped with mistake proofing groove (41) that run through around, during the installation, guide post (13) insert to in mistake proofing groove (41).

4. The fresh air controller according to claim 1, wherein: the air inlet channel (43) is arranged at the top of the partition board (4) and is provided with an upward opening, a C-shaped mounting groove (44) is formed in the inner wall of the air inlet channel (43), a plugging groove (14) aligned with the mounting groove (44) is formed in the base shell (1), a filter frame (8) is plugged in the plugging groove (14) and the mounting groove (44), and the drying sheet (9) is fixed on the filter frame (8).

5. The fresh air controller of claim 4, wherein: a spring (10) is fixedly arranged on the bottom wall of the mounting groove (44), and one end of the spring (10) abuts against the filter frame (8) in the mounting state of the filter frame.

6. The fresh air controller according to claim 1, wherein: the base is characterized in that buckling ribs (11) are circumferentially arranged on the outer side wall of the base shell (1), buckling grooves (24) matched with the buckling ribs (11) are formed in the inner side wall of the protective cover (2), and the buckling ribs (11) are inserted into the buckling grooves (24) in an installation state.

7. A fresh air controller according to claim 3, wherein: the front side of base shell (1) is equipped with mounting panel (3), be equipped with mounting panel (31) on mounting panel (3), install display screen (7) in mounting panel (31).

8. The fresh air controller of claim 7, wherein: the guide post (13) is provided with a plug hole (131), the mounting plate (3) is fixedly provided with a plug post (32), the plug post (32) is plugged into the plug hole (131) in a mounting state, and the mounting plate (3) is clamped between the protective cover (2) and the base shell (1).

9. The fresh air controller of claim 7, wherein: an observation window (21) aligned to the display screen (7) is arranged on the protective cover (2).

10. The fresh air controller according to claim 1, wherein: an air outlet (25) is formed in the protective cover (2), an air outlet pipe is arranged at the air outlet end of the air pump (6), and the air outlet pipe extends into the air outlet (25).