Heating fresh air equipment

Abstract

The utility model discloses heating fresh air equipment, which belongs to the technical field of fresh air equipment and comprises an equipment box body, one end of the equipment box body is provided with a first air inlet and a second air inlet, the other end of the equipment box body is provided with a first air outlet and a second air outlet, and a baffle is arranged in the equipment box body. The baffle is hinged between the first air inlet and the second air inlet, a driving assembly for controlling the baffle to rotate is arranged in the equipment box, a communicating pipeline is arranged in the equipment box, the two ends of the communicating pipeline communicate with the first air outlet and the second air outlet correspondingly, and a ventilation opening is formed in the side face of the communicating pipeline. An air inlet assembly is arranged in the communicating pipeline, the input end of the air inlet assembly corresponds to the ventilation opening, a heating assembly is installed in the second air outlet, and efficient heating can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fresh air equipment technical field more specifically, relate to a kind of heating fresh air equipment. BACKGROUND

[0002] Fresh air system is by air supply system and exhaust system a set of independent air handling system, it is divided into duct type fresh air system and no duct fresh air system two kinds.Duct type fresh air system is by new motor and duct fittings, by new motor purifies outdoor air and is introduced into indoor, and indoor air is discharged by duct;No duct fresh air system is by new motor, and also by new motor purifies outdoor air and is introduced into indoor.Comparatively speaking, duct type fresh air system is more suitable for industry or large office area use due to engineering quantity, and no duct fresh air system is more suitable for family use because of easy installation.

[0003] The existing fresh air equipment only blows wind to the interior of room, or the air in the interior of room is discharged to the outside, so when needing to heat the interior of room by fresh air system, can only be heated by extracting external air, and heating efficiency is low, and the above problems are solved by the following solution. UTILITY MODEL CONTENT

[0004] In view of the problems in the prior art, the utility model aims at providing a heating fresh air equipment, which can realize efficient heating.

[0005] To solve the above problems, the utility model adopts the following technical scheme.

[0006] A kind of heating fresh air equipment, including equipment cabinet, first air inlet and second air inlet are set in one end of the equipment cabinet, first air outlet and second air outlet are set in the other end of the equipment cabinet, baffle is arranged in the equipment cabinet, the baffle is hinged between first air inlet and second air inlet, driving assembly that the baffle rotates is arranged in the equipment cabinet, communication pipeline is arranged in the equipment cabinet, the two ends of the communication pipeline are communicated with first air outlet and second air outlet respectively, air vent is set in the side of the communication pipeline, air inlet component is arranged in the communication pipeline, the input end of the air inlet component corresponds with air vent, heating assembly is installed in the second air outlet.

[0007] Preferably, the driving assembly includes a drive motor, a drive rod and a slide rod, the drive rod is fixedly installed at the output end of the drive motor, the axial direction of the drive rod is perpendicular to the axial direction of the output end of the drive motor, the slide rod is fixedly installed at one end of the drive rod, and the slide rod and the drive rod are perpendicular to each other, and the slide rod and the baffle are in transmission cooperation.

[0008] Preferably, a sliding groove is formed in the side of the baffle, and one end of the slide rod is slidably arranged in the sliding groove.

[0009] Preferably, the air inlet assembly comprises an air inlet motor, a centrifugal impeller and blades, the air inlet motor is installed in the communication pipeline, the centrifugal impeller is installed on the output end of the air inlet motor, the centrifugal impeller corresponds to the air outlet, and the two groups of blades are oppositely arranged on the centrifugal impeller.

[0010] Preferably, the heating assembly comprises a PTC heater.

[0011] Preferably, the device box is internally provided with a stroke switch, and the input end of the stroke switch corresponds to the driving rod.

[0012] Preferably, the communication pipeline is C-shaped.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] First, the first air inlet and the first air outlet are communicated with the outside of the room, the second air inlet and the second air outlet are communicated with the inside of the room, the position of the baffle is controlled through the driving assembly, any one of the first air inlet and the second air inlet is blocked by the baffle, so that the air inlet of the other one is realized, the flow direction of the air is controlled through the steering of the air inlet assembly, when the first air inlet is used for air inlet and the second air outlet is used for air outlet, indoor ventilation is realized; when the second air inlet is used for air inlet and the first air outlet is used for air outlet, indoor air exchange is realized, and the heating assembly can heat the air entering the room; when the second air inlet is used for air inlet and the second air outlet is used for air outlet, the hot air in the room can be self-circulated, and the heating efficiency is improved.

[0015] Second, the driving motor drives the driving rod to rotate, the driving rod drives the sliding rod to rotate, the baffle is driven to rotate through the sliding rod, so that the position of the baffle is changed.

[0016] Third, the sliding groove is used in cooperation with the sliding rod, since the rotation shafts of the driving rod and the baffle are different, when the sliding rod drives the baffle, the position of the sliding rod and the baffle changes, the sliding cooperation between the sliding groove and the sliding rod can avoid the separation between the sliding rod and the baffle, the sliding design can avoid jamming, and the sliding rod drives the baffle conveniently.

[0017] Fourth, the centrifugal impeller is driven to rotate through the air inlet motor, the centrifugal impeller drives the blades to rotate, since the rotation directions of the two groups of blades are opposite, when the rotation direction of the centrifugal impeller changes, the centrifugal impeller drives the two groups of blades to work respectively, since the directions of the two groups of blades are opposite, opposite direction air is generated in the communication pipeline, and the opposite direction air moves to the two ends of the communication pipeline, so that the air outlet selection of the first air outlet and the second air outlet is realized.

[0018] V. The working principle of the PTC heating cavity is based on the electric heating characteristics of the PTC material. The PTC material can generate heat after being electrified, and the resistance value thereof increases sharply with the rise of the temperature thereof. When the PTC element is electrified and self-heating, the resistance value enters the jump region, and the surface temperature will remain constant. This temperature is only related to the PTC thermistor. This characteristic enables the PTC heating cavity to automatically maintain a constant temperature without the need for additional temperature control devices.

[0019] VI. Two travel switches are used to detect whether the baffle is sealed in place before being rotated to the first air inlet or the second air inlet, so as to control the driving motor to stop, thereby avoiding continuous force application to cause the motor to be overloaded and damaged.

[0020] VII. The C-shaped connecting pipeline ensures smooth flow of the internal air flow. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a three-dimensional structure schematic view of the utility model;

[0022] Figure 2 is a top view structure schematic view of the utility model;

[0023] Figure 3 is a rear view structure schematic view of the utility model;

[0024] Figure 4 is a three-dimensional structure schematic view of the A-A section of the utility model;

[0025] Figure 5 is a sectional structure schematic view of the B-B section of the utility model;

[0026] Figure 6 is a three-dimensional structure schematic view of the C-C section of the utility model;

[0027] Figure 7 is an enlarged structure schematic view of A of the utility model.

[0028] Explanation of reference numerals in the drawing:

[0029] 1, equipment box; 2, first air inlet; 3, second air inlet; 4, baffle; 5, driving assembly; 6, first air outlet; 7, second air outlet; 8, communication pipeline; 9, air vent; 10, air inlet assembly; 11, heating assembly; 12, driving motor; 13, driving rod; 14, sliding rod; 15, sliding groove; 16, air inlet motor; 17, centrifugal impeller; 18, blade; 19, travel switch. DETAILED DESCRIPTION

[0030] Example 1:

[0031] Please refer to Figures 1-7The utility model provides a kind of heating fresh air equipment, including equipment cabinet 1, cabinet is rectangle, equipment cabinet 1 one end is equipped with first air inlet 2 and second air inlet 3, first air inlet 2 and second air inlet 3 are arranged in upper and lower, baffle 4 is arranged between first air inlet 2 and second air inlet 3, baffle 4 and the side surface of equipment cabinet 1 close to first air inlet 2 are rotationally cooperated, drive assembly 5 for controlling the rotation of baffle 4 is provided in equipment cabinet 1, drive assembly 5 includes drive motor 12, drive rod 13 and slide bar 14, drive rod 13 is fixedly installed in the output end of drive motor 12, the axial direction of drive rod 13 and the axial direction of the output end of drive motor 12 are perpendicular, slide bar 14 is fixedly installed in one end of drive rod 13, and slide bar 14 and drive rod 13 are perpendicular to each other, and the output end of motor is parallel to each other, the side surface of baffle 4 is equipped with sliding slot 15, and one end of slide bar 14 is slidably arranged in the inside of sliding slot 15.

[0032] Drive motor 12 will drive drive rod 13 to rotate, drive rod 13 will drive slide bar 14 to rotate, baffle 4 is rotated by slide bar 14, so as to realize the change of baffle 4 position, so as to realize the sealing of first air inlet or second air inlet by baffle 4, realize single air inlet, sliding slot 15 is used for cooperating with slide bar 14, since the rotation axes of drive rod 13 and baffle 4 are concentric, when slide bar 14 drives baffle 4, the position of slide bar 14 and baffle 4 changes, the sliding cooperation between sliding slot 15 and slide bar 14 can avoid the separation between slide bar 14 and baffle 4, and the design of sliding can avoid jamming, to facilitate slide bar 14 to drive baffle 4.

[0033] Symmetrically arranged in equipment cabinet 1 inside travel switch 19, the input end of travel switch 19 and drive rod 13 correspond, and two travel switches 19 are used to detect whether baffle 4 is sealed in place before rotating to first air inlet 2 or second air inlet 3, so as to control drive motor 12 to stop, avoid continuous force to cause motor overload damage

[0034] First air outlet 6 and second air outlet 7 are arranged in the vertical direction, heating assembly 11 is installed in second air outlet 7, heating assembly 11 includes PTC heater, and the working principle of PTC heating cavity is based on the electric heating characteristics of PTC material.PTC material can generate heat after being electrified, and its resistance value increases sharply with the rise of its temperature.When PTC element is powered, the resistance value enters the jump region, and the surface temperature will remain constant, which is related to PTC thermistor. This characteristic makes PTC heating cavity can automatically constant temperature, without additional temperature control device.

[0035] The device box 1 is internally provided with a communication pipeline 8, the communication pipeline 8 is C-shaped, the two ends of the communication pipeline 8 are communicated with the first air outlet 6 and the second air outlet 7 respectively, the side surface of the communication pipeline 8 is provided with a ventilation opening 9, the ventilation opening 9 communicates the communication pipeline 8 and the inside of the device box 1, the inside of the communication pipeline 8 is provided with an air inlet assembly 10, the input end of the air inlet assembly 10 corresponds to the ventilation opening 9, the air inlet assembly 10 includes an air inlet motor 16, a centrifugal impeller 17 and blades 18, the air inlet motor 16 is installed in the inside of the communication pipeline 8, the centrifugal impeller 17 is installed on the output end of the air inlet motor 16, the centrifugal impeller 17 corresponds to the ventilation opening 9, the blades 18 are provided with two groups, the rotation directions of the two groups of blades 18 are opposite, the two groups of blades 18 are sleeved on the centrifugal impeller 17 and are arranged staggeredly.

[0036] The centrifugal impeller 17 is driven to rotate by the air inlet motor 16, the centrifugal impeller 17 drives the blades 18 to rotate, since the rotation directions of the two groups of blades 18 are opposite, when the rotation direction of the centrifugal impeller 17 changes, the centrifugal impeller 17 drives the two groups of blades 18 to work respectively, since the directions of the two groups of blades 18 are opposite, opposite direction air is generated in the inside of the communication pipeline 8, the opposite direction air moves to the two ends of the communication pipeline 8, so that the air exhaust selection of the first air outlet 6 and the second air outlet 7 is selected.

[0037] Working principle:

[0038] In use, the first air inlet 2 and the first air outlet 6 are communicated with the outside of the room, the second air inlet 3 and the second air outlet 7 are communicated with the inside of the room, the driving motor 12, the air inlet motor 16 and the two travel switches 19 are electrically connected with the control panel, the overall control and interaction are realized through the control panel, the control panel interface is provided with four selection lines of ventilation, air exchange, heating and internal circulation heating.

[0039] When ventilation is needed, the driving motor 12 will drive the driving rod 13 to rotate, the driving rod 13 will drive the sliding rod 14 to rotate, the rotating sliding rod 14 will act on the inside of the sliding groove 15, so as to push the baffle 4 to move through the sliding rod 14, when the driving rod 13 contacts the travel switch 19 in front of the second air inlet, the control panel receives the signal of the travel switch 19, so as to control the driving motor 12 to stop, at this time the baffle 4 will be vertically arranged in front of the second air inlet 3, and the baffle 4 will seal the second air inlet 3, the control panel controls the air inlet motor 16 to start, the air inlet motor 16 rotates forward, the air inlet motor 16 will drive the centrifugal impeller 17 to rotate, the centrifugal impeller 17 will drive the forward rotating blades 18 in the two groups of blades 18 to work, so that the centrifugal impeller 17 will suck air into the equipment box 1 through the ventilation port 9, when the pressure in the equipment box 1 decreases, air will be sucked from the outside environment through the first air inlet 2, the air enters the communication pipeline 8, and will be discharged into the room through the second air outlet 7, so as to realize ventilation of the room;

[0040] When ventilation is needed, the driving motor 12 will drive the driving rod 13 to rotate, the driving rod 13 will drive the sliding rod 14 to rotate, the rotating sliding rod 14 will act on the inside of the sliding groove 15, so as to push the baffle 4 to move through the sliding rod 14, when the driving rod 13 contacts the travel switch 19 in front of the second air inlet, the control panel receives the signal of the travel switch 19, so as to control the driving motor 12 to stop, at this time the baffle 4 will be vertically arranged in front of the second air inlet 3, and the baffle 4 will seal the second air inlet 3, the control panel controls the air inlet motor 16 to start, the air inlet motor 16 rotates forward, the air inlet motor 16 will drive the centrifugal impeller 17 to rotate, the centrifugal impeller 17 will drive the forward rotating blades 18 in the two groups of blades 18 to work, so that the centrifugal impeller 17 will suck air into the equipment box 1 through the ventilation port 9, when the pressure in the equipment box 1 decreases, air will be sucked from the outside environment through the first air inlet 2, the air enters the communication pipeline 8, and will be discharged into the room through the second air outlet 7, so as to realize ventilation of the room;

[0041] When ventilation is needed, the driving motor 12 will drive the driving rod 13 to rotate, the driving rod 13 will drive the sliding rod 14 to rotate, the rotating sliding rod 14 will act on the inside of the sliding groove 15, so as to push the baffle 4 to move through the sliding rod 14, when the driving rod 13 contacts the travel switch 19 in front of the second air inlet, the control panel receives the signal of the travel switch 19, so as to control the driving motor 12 to stop, at this time the baffle 4 will be vertically arranged in front of the second air inlet 3, and the baffle 4 will seal the second air inlet 3, the control panel controls the air inlet motor 16 to start, the air inlet motor 16 rotates forward, the air inlet motor 16 will drive the centrifugal impeller 17 to rotate, the centrifugal impeller 17 will drive the forward rotating blades 18 in the two groups of blades 18 to work, so that the centrifugal impeller 17 will suck air into the equipment box 1 through the ventilation port 9, when the pressure in the equipment box 1 decreases, air will be sucked from the outside environment through the first air inlet 2, the air enters the communication pipeline 8, and will be discharged into the room through the second air outlet 7, so as to realize ventilation of the room;

[0042] When ventilation is needed, the driving motor 12 will drive the driving rod 13 to rotate, the driving rod 13 will drive the sliding rod 14 to rotate, the rotating sliding rod 14 will act on the inside of the sliding groove 15, so as to push the baffle 4 to move through the sliding rod 14, when the driving rod 13 contacts the travel switch 19 in front of the second air inlet, the control panel receives the signal of the travel switch 19, so as to control the driving motor 12 to stop, at this time the baffle 4 will be vertically arranged in front of the second air inlet 3, and the baffle 4 will seal the second air inlet 3, the control panel controls the air inlet motor 16 to start, the air inlet motor 16 rotates forward, the air inlet motor 16 will drive the centrifugal impeller 17 to rotate, the centrifugal impeller 17 will drive the forward rotating blades 18 in the two groups of blades 18 to work, so that the centrifugal impeller 17 will suck air into the equipment box 1 through the ventilation port 9, when the pressure in the equipment box 1 decreases, air will be sucked from the outside environment through the first air inlet 2, the air enters the communication pipeline 8, and will be discharged into the room through the second air outlet 7, so as to realize ventilation of the room;

Claims

1. A heating fresh air device, characterized by: The utility model provides a kind of equipment cabinet, including equipment cabinet (1), the first air inlet (2) and the second air inlet (3) are opened in one end of the equipment cabinet (1), the first air outlet (6) and the second air outlet (7) are opened in the other end of the equipment cabinet (1), baffle (4) is provided in the equipment cabinet (1), the baffle (4) is hinged between the first air inlet (2) and the second air inlet (3), drive assembly (5) is provided in the equipment cabinet (1), and the drive assembly (5) rotates control baffle (4), communication pipeline (8) is provided in the equipment cabinet (1), the first air outlet (6) and the second air outlet (7) are communicated respectively in both ends of the communication pipeline (8), air vent (9) is opened in the side of the communication pipeline (8), air inlet assembly (10) is provided in the communication pipeline (8), the input end of the air inlet assembly (10) and air vent (9) correspond, heating assembly (11) is mounted in the second air outlet (7).

2. The heating and fresh air equipment according to claim 1, characterized in that: The drive assembly (5) includes drive motor (12), drive rod (13) and slide rod (14), the drive rod (13) is fixedly installed at the output end of drive motor (12), the axial direction of the drive rod (13) is perpendicular to the axial direction of the output end of drive motor (12), the slide rod (14) is fixedly installed at one end of the drive rod (13), and the slide rod (14) and the drive rod (13) are perpendicular to each other, the slide rod (14) and the baffle (4) are transmission cooperation.

3. The heating and fresh air equipment according to claim 2, characterized in that: The side of the baffle (4) is provided with a chute (15), and one end of the slide rod (14) is slidably arranged in the chute (15).

4. The heating and fresh air equipment according to claim 1, characterized in that: The air inlet assembly (10) includes air inlet motor (16), centrifugal impeller (17) and blade (18), the air inlet motor (16) is installed in the communication pipeline (8), the centrifugal impeller (17) is installed on the output end of the air inlet motor (16), the centrifugal impeller (17) corresponds to the air vent (9), the blade (18) is provided with two groups, the rotational directions of the two groups of blades (18) are opposite, and the two groups of blades (18) are sleeved on the centrifugal impeller (17).

5. The device according to claim 1, characterized in that: The heating assembly (11) includes a PTC heater.

6. The device according to claim 2, characterized in that: The equipment cabinet (1) is symmetrically provided with a travel switch (19) inside, and the input end of the travel switch (19) corresponds to the drive rod (13).

7. The device according to claim 1, characterized in that: The communication pipeline (8) is C-shaped.

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