CN219505814U

CN219505814U - Novel HVAC fresh air structure

Info

Publication number: CN219505814U
Application number: CN202320298079.5U
Authority: CN
Inventors: 蒋一弘
Original assignee: Chongqing Songz Automobile Air Conditioning Co ltd
Current assignee: Chongqing Songz Automobile Air Conditioning Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-08-11
Anticipated expiration: 2033-02-23

Abstract

The utility model relates to the technical field of automobile air conditioners and discloses a novel HVAC fresh air structure which comprises a first inner circulation air inlet, an outer circulation air inlet, a first air door and an air outlet.

Description

Novel HVAC fresh air structure

Technical Field

The utility model relates to the technical field of automobile air conditioners, in particular to a novel HVAC fresh air structure.

Background

An air conditioning system is a control system that includes temperature, humidity, air cleanliness, and air circulation, and is called HVAC.

The Chinese patent document CN114312218A discloses an HVAC air inlet structure of an automobile air conditioner, which comprises an outer circulation air inlet and an inner circulation air inlet, wherein a filter core is arranged at the downstream of an inner circulation air inlet conversion air door and an outer circulation air inlet conversion air door, a fan is arranged at the downstream of the filter core, and an outer circulation air inlet channel extends backwards and downwards from the outer circulation air inlet to the junction of an air outlet end of the outer circulation air inlet channel and the inner circulation air inlet.

This prior art has the following disadvantages: in the prior art, the temperature is controlled by controlling the air quantity of an external circulation air inlet and the air quantity of an internal circulation air inlet, the temperature is changed along with the change of the air quantity in the control process, and the active air inlet compensation cannot be realized by one internal circulation air inlet in the traditional structure, so that the temperature can not be changed while the change of the air quantity cannot be ensured.

Disclosure of Invention

The utility model aims to provide a novel HVAC fresh air structure to solve the problem that active air intake compensation cannot be achieved.

In order to achieve the above purpose, the utility model provides a novel HVAC fresh air structure, which comprises a first inner circulation air inlet, an outer circulation air inlet, a first air door and an air outlet, and is characterized in that the first inner circulation air inlet is arranged close to the outer circulation air inlet, the first air door simultaneously controls the air inlet quantity of the first inner circulation air inlet and the air inlet quantity of the outer circulation air inlet, the novel HVAC fresh air structure also comprises a second inner circulation air inlet and a second air door, and the second air door controls the air inlet quantity of the second inner circulation air inlet.

Further, the first air door is rotatably arranged below the first internal circulation air inlet, the first air door is rotatably opened in the process of the first internal circulation air inlet and simultaneously blocks the external circulation air inlet, and the second air door is rotatably arranged below the second internal circulation air inlet.

In order to enlarge the air inlet quantity, the first internal circulation air inlet and the second internal circulation air inlet are arc-shaped air inlets, and the first air door and the second air door are fan-shaped air doors.

In order to control the fan-shaped air door conveniently, the fan-shaped air door comprises an arc-shaped air plate, the shape of the arc-shaped air plate is matched with that of the arc-shaped air opening, rotating rods are arranged at two ends of the bottom of the arc-shaped air plate, and the arc-shaped air plate rotates by taking the end parts of the rotating rods as circle centers.

In order to reduce the installation height in Z direction, first inner loop air intake and second inner loop air intake set up side by side, just first inner loop air intake and second inner loop air intake wholly are the wave, reduce whole installation space.

In order to prevent the wind that the outer loop got into from leaking from the second inner loop air intake be equipped with the wind-break lever between first air door and the second air door, the wind-break lever is spacing to the extreme position that the second air door was opened, the wind-break lever guide outer loop wind direction is down to the air outlet.

The utility model has the following beneficial effects: 1. active intake compensation can be realized: when the air conditioner is used in a high-temperature and high-humidity environment, in order to avoid the fog of the vehicle window, the air conditioner can only be adjusted to be in an outer circulation mode, but the outer circulation cooling is slow, and the second air door can be properly opened according to the requirement to achieve active inner circulation air inlet compensation, so that the defogging requirement is met, meanwhile, the cooling can be achieved in a shorter time, the cooling efficiency is improved, and the first air door can be used for controlling the inner circulation air volume and the outer circulation air volume simultaneously, so that the inner circulation air volume is increased, the outer circulation air volume is reduced, and the temperature is changed while the integral air volume is unchanged;

2. the utility model can enable the internal circulation air inlet to achieve 2 air inlets, increase the air inlet area, increase the internal circulation air inlet quantity compared with the traditional one air inlet, reduce the wind resistance, avoid the problems of poor refrigerating effect and high noise of the air conditioner caused by small air inlet, and improve the comfort level;

3. when the air conditioning box is arranged in the whole vehicle, the air conditioning box is not limited by the boundary of the whole vehicle arrangement, the Z-direction height of the double fan-shaped air door is effectively reduced, and therefore the maximum ventilation air quantity can be achieved in a limited space, and the space is saved.

Drawings

FIG. 1 is a schematic structural diagram of embodiment 1 of the present utility model;

FIG. 2 is a schematic view of the internal structure of FIG. 1;

FIG. 3 is a side view of FIG. 1;

FIG. 4 is a view A-A of FIG. 3;

fig. 5 is a bottom schematic view of fig. 1.

Reference numerals: 1. a first internal circulation air inlet; 2. an external circulation air inlet; 3. a first damper; 4. an air outlet; 5. a second internal circulation air inlet; 6. a second damper; 7. arc-shaped air plates; 8. a rotating lever; 9. a wind shielding rod.

Detailed Description

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings, but the present utility model is not limited to these embodiments, and modifications made to the present utility model without departing from the principle of the present utility model fall within the scope of protection of the claims of the present utility model.

Example 1

As shown in fig. 1-5, a novel HVAC fresh air structure comprises a first inner circulation air inlet 1, an outer circulation air inlet 2, a first air door 3, an air outlet 4, a second inner circulation air inlet 5 and a second air door 6, wherein the outer circulation air inlet 2 faces right, the first inner circulation air inlet 1 and the second inner circulation air inlet 5 face up, the air outlet 4 faces down, the first inner circulation air inlet 1 and the second inner circulation air inlet 5 are arranged side by side and are in a hollow net-shaped structure, the position of the first inner circulation air inlet 1 is close to the outer circulation air inlet 2, the first air door 3 can simultaneously control the air inlet quantity of the first inner circulation air inlet 1 and the outer circulation air inlet 2, and the second air door 6 controls the air inlet quantity of the second inner circulation air inlet 5.

The first air door 3 rotates to be arranged below the first inner circulation air inlet 1, the first air door 3 rotates clockwise to open the first inner circulation air inlet 1 and simultaneously blocks the outer circulation air inlet 2, at the moment, the inner circulation air quantity is increased, and the outer circulation air quantity is reduced.

The second air door 6 is rotatably arranged below the second internal circulation air inlet 5, the second air door 6 is opened by rotating clockwise, and the second air door 6 is closed by rotating anticlockwise.

The first inner circulation air inlet 1 and the second inner circulation air inlet 5 are arc-shaped air inlets, the first air door 3 and the second air door 6 are fan-shaped air doors, the rotating track of the fan-shaped air doors is fan-shaped, the fan-shaped air doors comprise arc-shaped air plates 7, the shapes of the arc-shaped air plates 7 are matched with those of the arc-shaped air inlets, rotating rods 8 are arranged at two ends of the bottoms of the arc-shaped air plates 7, and the arc-shaped air plates 7 rotate by taking the end parts of the rotating rods 8 as circle centers.

The first internal circulation air inlet 1 and the second internal circulation air inlet 5 are arranged side by side, and the first internal circulation air inlet 1 and the second internal circulation air inlet 5 are wholly wavy.

A wind shielding rod 9 is arranged between the first air door 3 and the second air door 6, the wind shielding rod 9 limits the limit position of the second air door 6 which is opened clockwise, and the wind shielding rod 9 guides the externally circulated wind to downwards reach the air outlet 4.

When the air conditioner is used in a high-temperature and high-humidity environment, the outer circulation air inlet 2 is opened, the first air door 3 is rotated clockwise to open the first inner circulation air inlet 1, the air inlet quantity of the outer circulation air inlet 2 is regulated at the same time, the first air door 3 can simultaneously control the inner circulation air quantity and the outer circulation air quantity, the inner circulation air inlet quantity is increased, the outer circulation air inlet quantity is reduced, and vice versa, so that the temperature is changed while the integral air inlet quantity is unchanged, the second air door 6 is rotated clockwise for a certain angle, the second inner circulation air inlet 5 is properly opened for an angle, active inner circulation air inlet compensation is achieved, and the inner circulation air and the outer circulation air flow downwards to the air outlet 4, so that the demisting requirement is met, meanwhile, the cooling efficiency is also improved, the air quantity is improved, and the noise is reduced in a short time.

Claims

1. The utility model provides a novel HVAC new trend structure, includes first inner loop air intake (1), outer loop air intake (2), first air door (3) and air outlet (4), its characterized in that, first inner loop air intake (1) is close to outer loop air intake (2) setting, the intake of first inner loop air intake (1) and outer loop air intake (2) is controlled simultaneously to first air door (3), still includes second inner loop air intake (5) and second air door (6), the intake of second inner loop air intake (5) is controlled to second air door (6).

2. The novel HVAC fresh air structure of claim 1, wherein: the first air door (3) is rotatably arranged below the first inner circulation air inlet (1), the first air door (3) is rotatably opened in the process of the first inner circulation air inlet (1) and simultaneously blocks the outer circulation air inlet (2), and the second air door (6) is rotatably arranged below the second inner circulation air inlet (5).

3. The novel HVAC fresh air structure of claim 1 or 2, wherein: the first internal circulation air inlet (1) and the second internal circulation air inlet (5) are arc-shaped air inlets, and the first air door (3) and the second air door (6) are fan-shaped air doors.

4. The novel HVAC fresh air structure of claim 3, wherein: the fan-shaped air door comprises an arc-shaped air plate (7), the shape of the arc-shaped air plate (7) is matched with that of the arc-shaped air opening, rotating rods (8) are arranged at two ends of the bottom of the arc-shaped air plate (7), and the arc-shaped air plate (7) rotates by taking the end parts of the rotating rods (8) as circle centers.

5. The novel HVAC fresh air structure of claim 4, wherein: the first internal circulation air inlet (1) and the second internal circulation air inlet (5) are arranged side by side, and the first internal circulation air inlet (1) and the second internal circulation air inlet (5) are wholly wavy.

6. The novel HVAC fresh air structure of claim 4 or 5, wherein: a wind shielding rod (9) is arranged between the first air door (3) and the second air door (6), the wind shielding rod (9) limits the clockwise opening limit position of the second air door (6), and the wind shielding rod (9) guides the external circulation wind to downwards reach the air outlet (4).