Energy-saving anti-freezing control device of fresh air ventilator

Abstract

The utility model belongs to the technical field of fresh air ventilator anti-freezing, and particularly relates to a fresh air ventilator energy-saving anti-freezing control device which comprises an air inlet pipe arranged at the air inlet end of a fresh air ventilator. A sealing cavity is formed in a shell of the air inlet pipe, an electric heating pipe is arranged in the sealing cavity in a surrounding mode, the sealing cavity is in a sealed state, and heat conduction liquid is stored in the sealing cavity. An annular mounting ring is arranged in the air inlet pipe in the axial direction of the air inlet pipe in a reciprocating mode, and a rubber scraping ring used for extruding the inner side wall of the air inlet pipe is arranged on the outer side of the mounting ring. The processor controls the electric heating pipe and the waterproof motor, the electric heating pipe is powered on to heat, the temperature of heat conduction liquid is increased, the temperature of the air inlet pipe is increased in a heat transfer mode, and the waterproof motor drives the reciprocating lead screw to rotate after being started, so that the mounting ring reciprocates along rod bodies of the reciprocating lead screw and the limiting guide rod. The rubber scraping ring is driven to extrude the inner side wall of the air inlet pipe, and most water drops in the air inlet pipe are scraped and then discharged through the water discharging pipe.

Description

Technical Field

[0001] This utility model relates to the field of antifreeze technology for fresh air systems, specifically an energy-saving antifreeze control device for fresh air systems. Background Technology

[0002] As people's living standards improve, fresh air handling units are gradually being used to ensure and improve indoor air quality, and to facilitate the control of fresh air handling units.

[0003] An existing energy-saving and anti-freeze control device for fresh air systems has the following drawbacks:

[0004] The existing fresh air intake pipes have poor antifreeze performance. In low temperature and humid environment, if water droplets are attached to the inside of the intake pipe, freezing may occur, which is not conducive to ventilation.

[0005] The existing fresh air intake pipes have poor moisture-proof performance. When the air is humid, the moisture in the intake pipe cannot be discharged in time, which easily produces water droplets that adhere to the inner wall of the intake pipe, resulting in a large amount of moisture in the inhaled air.

[0006] Therefore, a solution is needed. Utility Model Content

[0007] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of this section, the abstract, and the title, and such simplifications or omissions should not be used to limit the scope of this utility model.

[0008] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:

[0009] A fresh air unit energy-saving and anti-freeze control device, comprising:

[0010] An air intake pipe is provided at the air intake end of the fresh air unit;

[0011] A sealed cavity is provided inside the housing of the air inlet pipe. An electric heating element is arranged around the inside of the sealed cavity. The sealed cavity is in a sealed state and stores heat-conducting fluid inside.

[0012] An mounting ring is installed inside the intake pipe, reciprocating along the axial direction of the intake pipe. The mounting ring is annular and has a rubber scraper ring on its outer side for squeezing the inner wall of the intake pipe. A reciprocating screw parallel to the intake pipe is rotatably installed on the inner wall of the intake pipe, and a limiting guide rod parallel to the intake pipe is fixedly installed. The shaft of the reciprocating screw passes through the side wall of the mounting ring, and the shaft of the limiting guide rod slides through the side wall of the mounting ring. A waterproof motor is fixedly installed on the inner wall of the intake pipe, and the output shaft of the waterproof motor is connected to one end of the reciprocating screw through a coupling.

[0013] As a preferred embodiment of the energy-saving and anti-freezing control device for a fresh air unit described in this utility model, a filter screen is installed inside the air intake pipe, a waterproof motor is fixedly installed inside the air intake pipe, a fan blade is fixedly installed on the output shaft of the waterproof motor, and the waterproof motor and the fan blade are always spaced apart from the mounting ring.

[0014] As a preferred embodiment of the energy-saving and anti-freezing control device for a fresh air unit described in this utility model, dustproof nets are provided at both ends of the inner side of the air inlet pipe, and the waterproof motor is fixed at the center of the side wall of the dustproof net.

[0015] As a preferred embodiment of the energy-saving and anti-freezing control device for a fresh air unit described in this utility model, the bottom of the air inlet pipe is provided with a drain pipe that communicates with the inner cavity of the air inlet pipe. The inner cavity of the drain pipe is not connected to the inner cavity of the sealing cavity, and the electric heating element and the drain pipe are arranged alternately.

[0016] As a preferred embodiment of the energy-saving and anti-freezing control device for a fresh air unit described in this utility model, a temperature and humidity sensor, a processor, a first switch, and a second switch are provided on the right side of the dustproof net on the left end. The first switch is electrically connected to an electric heating element, the second switch is electrically connected to the electric heating element, and the processor is electrically connected to the temperature and humidity sensor, the first switch, and the second switch.

[0017] As a preferred embodiment of the energy-saving and anti-freezing control device for a fresh air unit described in this utility model, the inner wall of the air inlet pipe is fixedly provided with a bracket for installing a reciprocating lead screw and a limiting guide rod. The reciprocating lead screw and the bracket are rotatably connected through a bearing sleeve. The rod body of the limiting guide rod slides through the side wall of the mounting ring through a linear bearing.

[0018] Compared with the prior art, the beneficial effects of this utility model are as follows: the temperature and humidity sensor monitors the temperature and humidity inside the air intake pipe and feeds it back to the processor. The processor controls the electric heating element and the waterproof motor. The electric heating element heats up when energized, increasing the temperature of the heat transfer fluid. Through heat transfer, the temperature of the air intake pipe is increased. After the waterproof motor starts, it drives the reciprocating screw to rotate, causing the mounting ring to move back and forth along the body of the reciprocating screw and the limiting guide rod. This causes the rubber scraper ring to squeeze the inner wall of the air intake pipe, scraping away most of the water droplets inside the air intake pipe and then draining them through the drain pipe. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the cross-section of the sealing cavity of this utility model;

[0022] Figure 3 This is a structural schematic diagram of the cross-section of the air intake pipe of this utility model;

[0023] Figure 4 This is a structural schematic diagram of the mounting ring and other components of this utility model;

[0024] Figure 5 This utility model Figure 3 A schematic diagram of the structure viewed from the side (upward angle);

[0025] Figure 6 This is a system block diagram of the present invention.

[0026] In the diagram: intake pipe 100, filter screen 110, waterproof motor 120, fan blade 130, dustproof net 140, drain pipe 150, temperature and humidity sensor 160, processor 170, first switch 180, second switch 190, sealing cavity 200, electric heating element 210, mounting ring 300, rubber scraper ring 310, reciprocating screw 320, limit guide rod 330, waterproof motor 340, bracket 350. Detailed Implementation

[0027] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0028] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0029] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views showing the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, in actual manufacturing, the three-dimensional spatial dimensions of length, width, and depth should be included.

[0030] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0031] Please see Figures 1-6 The diagram shown is a structural schematic of an embodiment of the energy-saving and anti-freezing control device for a fresh air unit according to this utility model. Please refer to [link / reference]. Figures 1-6 This paper provides a detailed introduction to an energy-saving and anti-freezing control device for a new type of air ventilator.

[0032] Example 1

[0033] Regarding the problem 1 that needs to be solved: the existing fresh air intake pipe has poor antifreeze performance. In a low-temperature and humid environment, if water droplets are attached to the inside of the intake pipe, freezing may occur, which is not conducive to ventilation.

[0034] The solution is as follows: A fresh air unit energy-saving and anti-freeze control device, comprising:

[0035] An air intake pipe 100 is provided at the air intake end of the fresh air unit. A filter screen 110 is installed inside the air intake pipe 100. A waterproof motor 120 is fixedly installed inside the air intake pipe 100. A fan blade 130 is fixedly installed on the output shaft of the waterproof motor 120. The filter screen 110 is used to filter the gas drawn into the air intake pipe 100.

[0036] The air intake pipe 100 has a sealed cavity 200 inside its housing. An electric heating tube 210 is arranged around the inside of the sealed cavity 200. The sealed cavity 200 is in a sealed state and stores heat-conducting liquid inside.

[0037] Wherein: Dustproof nets 140 are provided at both ends of the inner side of the air intake pipe 100, and the waterproof motor 120 is fixed at the center of the side wall of the dustproof net 140. The dustproof net 140 can reduce the amount of dust entering the air intake pipe 100.

[0038] Example 2

[0039] Regarding the second problem to be solved above: the existing fresh air unit's air intake pipe has poor moisture-proof performance. When the air is humid, the moisture in the air intake pipe cannot be discharged in time, and water droplets are easily generated and adhere to the inner wall of the air intake pipe, resulting in a large amount of moisture in the inhaled air.

[0040] The solution is as follows: Based on embodiment 1, an installation ring 300 is provided inside the intake pipe 100, which reciprocates along the axial direction of the intake pipe 100. The installation ring 300 is annular and has a rubber scraper ring 310 on its outer side for squeezing the inner wall of the intake pipe 100. A reciprocating screw 320 parallel to the intake pipe 100 is rotatably provided on the inner wall of the intake pipe 100, and a limiting guide rod 330 parallel to the intake pipe 100 is fixedly provided. The rod body of the reciprocating screw 320 passes through the side wall of the installation ring 300, and the rod body of the limiting guide rod 330 slides through the side wall of the installation ring 300. A waterproof motor 340 is fixedly provided on the inner wall of the intake pipe 100, and the output shaft of the waterproof motor 340 is connected to one end of the reciprocating screw 320 through a coupling.

[0041] Wherein: the waterproof motor 120 and the fan blade 130 are always spaced apart from the mounting ring 300 to avoid the mounting ring 300 being blocked by components when it reciprocates;

[0042] Wherein: the bottom of the air intake pipe 100 is provided with a drain pipe 150 that connects to the inner cavity of the air intake pipe 100. The inner cavity of the drain pipe 150 is not connected to the inner cavity of the sealing cavity 200. The electric heating tube 210 and the drain pipe 150 are arranged alternately. When the mounting ring 300 moves back and forth, most of the water droplets inside the air intake pipe 100 are scraped off by the rubber scraper ring 310, and the water is discharged from the air intake pipe 100 through the drain pipe 150.

[0043] Wherein: On the right side of the dustproof net 140 at the left end, a temperature and humidity sensor 160, a processor 170, a first switch 180 and a second switch 190 are provided. The first switch 180 is electrically connected to the electric heating element 210, and the second switch 190 is electrically connected to the electric heating element 210. The processor 170 is electrically connected to the temperature and humidity sensor 160, the first switch 180 and the second switch 190. The wiring of the electric heating element 210 passes through the outside of the air inlet pipe 100 through a perforation and is then connected to the first switch 180. A sealing ring is provided between the perforation and the wiring of the electric heating element 210 to ensure that the sealing cavity 200 is in a sealed state.

[0044] The system is also equipped with solar panels, a solar power controller, and a storage battery. The solar panels are electrically connected to the solar power controller, the solar power controller is electrically connected to the storage battery, and the storage battery is electrically connected to the processor 170. The solar panels absorb sunlight and convert solar radiation energy into electrical energy through the photoelectric effect or photochemical effect, thereby achieving energy saving.

[0045] Wherein: the inner side wall of the air intake pipe 100 is fixedly provided with a bracket 350 for installing the reciprocating lead screw 320 and the limiting guide rod 330. The reciprocating lead screw 320 and the bracket 350 are rotatably connected by a bearing sleeve. The bearing sleeve reduces the friction between the reciprocating lead screw 320 and the bracket 350 when rotating. The rod body of the limiting guide rod 330 slides through the side wall of the mounting ring 300 through a linear bearing. The linear bearing reduces the friction when the mounting ring 300 moves back and forth along the rod body of the limiting guide rod 330.

[0046] Working principle: Temperature and humidity sensor 160 monitors the temperature and humidity inside air intake pipe 100 and feeds it back to processor 170. Processor 170 controls electric heating element 210 and waterproof motor 340. Electric heating element 210 is energized and heats up, increasing the temperature of heat transfer fluid. Through heat transfer, the temperature of air intake pipe 100 is increased. After the waterproof motor 340 is started, it drives reciprocating screw 320 to rotate, causing mounting ring 300 to move back and forth along the rod of reciprocating screw 320 and limit guide rod 330. This causes rubber scraper ring 310 to squeeze the inner wall of air intake pipe 100, scraping away most of the water droplets inside air intake pipe 100 and draining them through drain pipe 150.

[0047] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A fresh air unit energy-saving and anti-freeze control device, characterized in that, include: An air intake pipe (100) is provided at the air intake end of the fresh air unit; A sealed cavity (200) is provided inside the housing of the air inlet pipe (100). An electric heating tube (210) is arranged around the inside of the sealed cavity (200). The sealed cavity (200) is in a sealed state and stores heat-conducting liquid inside. An mounting ring (300) is provided inside the air intake pipe (100) and moves back and forth along the axial direction of the air intake pipe (100). The mounting ring (300) is annular and has a rubber scraper ring (310) on its outer side for squeezing the inner wall of the air intake pipe (100). A reciprocating screw (320) parallel to the air intake pipe (100) is rotatably provided on the inner wall of the air intake pipe (100), and a limiting guide rod (330) parallel to the air intake pipe (100) is fixedly provided. The rod body of the reciprocating screw (320) drives through the side wall of the mounting ring (300), and the rod body of the limiting guide rod (330) slides through the side wall of the mounting ring (300). A waterproof motor (340) is fixedly provided on the inner wall of the air intake pipe (100), and the output shaft of the waterproof motor (340) is connected to one end of the reciprocating screw (320) through a coupling.

2. The energy-saving and anti-freezing control device for a fresh air unit according to claim 1, characterized in that: The air intake pipe (100) is equipped with a filter screen (110), and a waterproof motor (120) is fixedly installed inside the air intake pipe (100). The output shaft of the waterproof motor (120) is fixedly equipped with a fan blade (130). The waterproof motor (120) and the fan blade (130) are always spaced apart from the mounting ring (300).

3. The energy-saving and anti-freezing control device for a fresh air unit according to claim 2, characterized in that: Dustproof nets (140) are provided at both ends of the inner side of the air intake pipe (100), and the waterproof motor (120) is fixed at the center of the side wall of the dustproof net (140).

4. The energy-saving and anti-freezing control device for a fresh air unit according to claim 1, characterized in that: The bottom of the air intake pipe (100) is provided with a drain pipe (150) that communicates with the inner cavity of the air intake pipe (100). The inner cavity of the drain pipe (150) is not connected to the inner cavity of the sealing cavity (200). The electric heating tube (210) and the drain pipe (150) are arranged alternately.

5. The energy-saving and anti-freeze control device for a fresh air unit according to claim 3, characterized in that: On the right side of the dustproof net (140) on the left end, there is a temperature and humidity sensor (160), a processor (170), a first switch (180) and a second switch (190). The first switch (180) is electrically connected to the electric heating tube (210), the second switch (190) is electrically connected to the electric heating tube (210), and the processor (170) is electrically connected to the temperature and humidity sensor (160), the first switch (180) and the second switch (190).

6. The energy-saving and anti-freezing control device for a fresh air unit according to claim 1, characterized in that: The inner wall of the air intake pipe (100) is fixedly provided with a bracket (350) for installing a reciprocating lead screw (320) and a limiting guide rod (330). The reciprocating lead screw (320) and the bracket (350) are rotatably connected by a bearing sleeve. The rod body of the limiting guide rod (330) slides through the side wall of the mounting ring (300) through a linear bearing.

Images