CN113199981B

CN113199981B - Automatic ventilation type refrigerator car

Info

Publication number: CN113199981B
Application number: CN202110689273.1A
Authority: CN
Inventors: 李东; 洪震川; 张善进; 王义波; 孙德贤
Original assignee: Henan Aucma Special Vehicle Co ltd
Current assignee: Henan Aucma Special Vehicle Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-04-22
Anticipated expiration: 2041-06-22
Also published as: CN113199981A

Abstract

The invention discloses an automatic ventilation type refrigerator car, and belongs to the technical field of cold chain transport vehicles. An automatic ventilation type refrigerator car comprises a carriage, wherein an air inlet is formed in the top of the carriage, an air distribution box is arranged inside the carriage and communicated with the air inlet, an air outlet pipe is arranged at the lower part of the air distribution box, and exhaust ports are formed in the positions, close to the rear side, of the two side faces of the carriage. The air inlet of the invention is designed in a sinking way, more air enters, the flow velocity of the entering air flow is increased, and the filter screen plate preliminarily filters impurities in the air.

Description

Automatic ventilation type refrigerator car

Technical Field

The invention relates to the technical field of cold chain transport vehicles, in particular to an automatic ventilation type refrigerator car.

Background

A refrigerator car refers to a closed type van vehicle for maintaining the temperature of frozen or fresh-keeping goods, and is commonly used for transporting frozen foods (a refrigerator car), dairy products (a dairy product transporter car), vegetables and fruits (a fresh-keeping transporter car), vaccine drugs (a vaccine transporter car) and the like.

When transporting some living animals or fresh agricultural and sideline products, because the goods still take place respiration, can lead to the fact a large amount of matters such as carbon dioxide, etc. are produced in the car, need to ventilate. Current refrigerated vehicles lack efficient automatic air exchange devices. The ventilation is assisted only by refrigeration equipment; or, a plurality of air inlets and air outlets are arranged on the outer surface of the carriage for air intake and exhaust. The whole ventilation effect is poor, and the cold air in the air conditioner overflows; meanwhile, impurities in the air enter the carriage to pollute the goods.

Disclosure of Invention

The invention aims to provide an automatic ventilation type refrigerator car which can efficiently circulate and clean air in a carriage and reduce the influence of air intake on goods so as to solve the problems in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

an automatic ventilation type refrigerator car comprises a carriage, wherein an air inlet is formed in the top of the carriage, an air distribution box is arranged inside the carriage and communicated with the air inlet, an air outlet pipe is arranged at the lower part of the air distribution box, exhaust ports are formed in the positions, close to the rear side, of the two side faces of the carriage, are of vertical strip-shaped structures and protrude out of the side wall of the carriage, and are oriented to the rear side of the carriage, and self-closing grids are arranged in the exhaust ports.

Preferably, the air inlet is designed to be sunk, the air inlet gradually decreases backwards along the opening side and penetrates through the top surface of the compartment, and the bottom of the air inlet is communicated with the top of the air distribution box.

Preferably, a filter screen plate is arranged on the front side of the air inlet.

Preferably, a sterilizing lamp is arranged on the top of the inner wall of the air inlet.

Preferably, a dust filter plate is arranged in the air distribution box, the dust filter plate is arranged in a downward inclined mode from front to back, and a sealing box door is arranged on one surface, facing the rear side of the carriage, of the air distribution box.

Preferably, the number of the air outlet pipes is a plurality, and the tops of the air outlet pipes are communicated with the bottom of the air distribution box.

Preferably, the surface of outlet duct is provided with the aperture of giving vent to anger, a plurality of rows of aperture of giving vent to anger is arranged perpendicularly, a plurality of rows the aperture of giving vent to anger evenly encircles the setting and is in the surface of outlet duct.

Preferably, an air outlet adjusting device is arranged inside the air outlet pipe;

the air outlet adjusting device consists of a rotating cylinder and a driving motor, and the rotating cylinder is inserted in the air outlet pipe; the rotary cylinder is of a hollow cylinder structure, one side of the hollow cylinder structure is provided with a notch which penetrates through the rotary cylinder from top to bottom, and the width of the notch is slightly larger than the diameter of the small air outlet hole; the driving motor is arranged at the lower part of the rotating cylinder.

Preferably, the inner walls of the left side and the right side of the exhaust port are provided with bending barrier strips, each bending barrier strip is formed by connecting a plurality of inclined sections and horizontal sections end to end, the inclined sections are arranged in a manner that the lower ends of the inclined sections incline towards the outside of the exhaust port, and the outer side surfaces of the high ends of the inclined sections are provided with perforated support plates;

the self-closing grating consists of a plurality of grating plates, and protruding columns are arranged on two sides of the top of each grating plate and inserted into the support plate with the holes;

the width of grid plate is greater than about two distance between the blend stop inboard, the width of grid plate is less than about two distance between the blend stop outside, the length of grid plate slightly is greater than the length of slope section.

Preferably, the top of the air outlet pipe is provided with an exhaust fan.

Compared with the prior art, the invention provides an automatic ventilation type refrigerator car, which has the following beneficial effects:

1. according to the invention, the self-closing grille is closed in a natural state, so that the cold air in the self-closing grille does not flow out in a state of not exchanging air, and the external air cannot enter from the air outlet; and under the action of internal air pressure, the air in the carriage can be discharged by opening the air outlet outwards, so that air exchange is realized.

2. According to the invention, the air inlet is designed in a sinking manner, more air enters, and the flow rate of the entering air flow is increased; the filter screen plate preliminarily filters and blocks impurities in the air; the sterilizing lamp is used for sterilizing, so that the cleanness of air is ensured, and pollution is avoided; the dust filter plate further improves the cleanness degree of air; the dust filter plate is obliquely arranged, so that the required maintenance frequency is reduced, and the sealing box door can be quickly cleaned.

3. According to the invention, the air flow is dispersed by the plurality of air outlet pipes, so that the impact generated in the carriage is reduced, and the influence on goods is reduced; the small air outlet holes further disperse the air flow, so that the uniformity of the air flow is improved; the air outlet adjusting device adjusts the air outlet of the air flow to match the required air input. The air exhaust fan is arranged to assist air intake, so that the stability of air flow input is ensured.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the self-closing grille is closed in a natural state, so that the cold air in the self-closing grille does not flow out under the state of not exchanging air, and the external air cannot enter from the air outlet; under the action of internal air pressure, the air-permeable cover can be opened outwards to discharge air in the carriage, so that air exchange is realized; the air inlet is designed in a sinking mode, more air enters, and the flow rate of the entering air flow is increased; the filter screen plate preliminarily filters impurities in the air; the sterilizing lamp is used for sterilizing, so that the cleanness of air is ensured, and pollution is avoided; the dust filter plate further improves the cleanness degree of air; the inclined dust filter plate reduces the required maintenance frequency, and can be quickly cleaned by matching with a sealing box door; the air flow is dispersed by the plurality of air outlet pipes, so that the impact generated in the carriage is reduced, and the influence on goods is reduced; the small air outlet holes further disperse the air flow, so that the uniformity of the air flow is improved; the air outlet adjusting device adjusts the air outlet of the air flow to match with the required air input; the air exhaust fan is arranged to assist air intake, so that the stability of air flow input is ensured.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional structural view of a front side portion of the vehicle compartment;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is a rear view of the vehicle;

FIG. 5 is a rear cross-sectional structural view of the vehicle cabin;

FIG. 6 is a schematic top view of the air outlet adjusting device;

FIG. 7 is an enlarged view of the structure at B in FIG. 4;

FIG. 8 is a rear view of the exhaust port with the grill plate removed;

FIG. 9 is an enlarged view of the structure at C in FIG. 8;

FIG. 10 is a left side cross-sectional structural schematic view of the self-closing grille;

fig. 11 is an enlarged schematic view of fig. 10 at D.

In the figure: 1. a carriage; 2. an air inlet; 3. a gas distribution box; 4. an air outlet pipe; 5. an exhaust port; 6. self-closing the grille; 601. a grid plate; 602. a raised post; 7. a filter screen plate; 8. a sterilizing lamp; 9. a dust filter plate; 10. sealing the box door; 11. air outlet holes; 12. an air outlet adjusting device; 1201. a rotating cylinder; 1202. a drive motor; 13. bending the barrier strip; 1301. an inclined section; 1302. a horizontal segment; 1303. a support plate with holes; 14. an exhaust fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-11, an automatic ventilation type refrigerator car comprises a carriage 1, wherein an air inlet 2 is arranged at the top of the carriage 1, an air distribution box 3 is arranged inside the carriage 1, an air outlet pipe 4 is arranged at the lower part of the air distribution box 3, exhaust ports 5 are arranged at positions, close to the rear side, of two side faces of the carriage 1, and a self-closing grating 6 is arranged in the exhaust ports 5. The air inlet 2 is arranged at the front side position of the top of the carriage 1, the air distribution box 3 is arranged at the top corner position on the front side surface in the carriage 1, and the air distribution box 3 is communicated with the air inlet 2; the exhaust port 5 is of a vertical strip-shaped structure, the exhaust port 5 is communicated into the carriage 1, the outlet of the exhaust port 5 protrudes out of the side wall of the carriage 1 and faces the rear side of the carriage 1, and the influence of external air flow on exhaust in the process of running is reduced.

In the device, air enters the air distribution box 3 from the air inlet 2; the gas is input into the carriage 1 through the gas outlet pipe 4; flows in the carriage 1 and is discharged through the exhaust port 5; the self-closing grille 6 keeps the air flow from the interior of the compartment 1, but not from the exhaust 5.

The air inlet 2 is of a sink design. Specifically, the air intake 2 is gradually lowered rearward along the opening side, and penetrates the top surface of the vehicle compartment 1; the bottom of the air inlet 2 is communicated with the top of the air distribution box 3. The air intake 2, which is open and sunken during the operation of the vehicle, can have more intake air and increase the flow rate of the intake air.

The front side of the air inlet 2 is provided with a filter screen plate 7 for preliminarily filtering sundries in the air, so that the air duct is prevented from being blocked and pollutants enter the carriage 1.

The top of the inner wall of the air inlet 2 is provided with a sterilizing lamp 8. Preferably, the sterilizing lamp 8 is arranged in a plate-shaped structure and is attached to the inner top of the air inlet 2; the entering air flow is sterilized, so that the cleanness degree of the air is ensured, and the pollution is avoided; the plate-shaped structure is matched with the shape of the air inlet 2 which is bent and sunk in an arc shape, so that more sterilization coverage areas are provided.

Divide the inside of gas tank 3 to be provided with dust filter 9, dust filter 9 sets up by preceding to the backward decline, divides the one side of gas tank 3 towards carriage 1 rear side to be provided with sealed chamber door 10. The airflow enters the air distribution box 3, is filtered by the dust filter 9 and then is output through the air outlet pipe 4; the dust filter 9 further improves the cleanliness of the air. Meanwhile, the dust filter plate 9 is obliquely arranged, so that the accumulation of dust on the upper plate surface is reduced, and the required maintenance frequency is reduced; moreover, dust is correspondingly deposited to the lower position of the rear side, and can be quickly cleaned by matching with the sealing box door 10 arranged on the rear side.

The number of the air outlet pipes 4 is a plurality, and the tops of the air outlet pipes 4 are communicated with the bottom of the air distribution box 3. Many outlet ducts 4, with the air current dispersion, reduce the velocity of flow, reduce the impact that produces in carriage 1, and to the influence of goods.

Further, the outer surface of the air outlet pipe 4 is provided with small air outlet holes 11. A plurality of rows of the air outlet small holes 11 are vertically arranged, and the circle centers of the air outlet small holes 11 are positioned on the same vertical line; a plurality of gas outlet holes 11 are uniformly arranged on the outer surface of the gas outlet pipe 4 in a surrounding way. The air flow is further dispersed through the small air outlet holes 11, and the uniformity of the air flow is improved.

Furthermore, an air outlet adjusting device 12 is arranged inside the air outlet pipe 4; the air flow outlet is adjusted to match the required air input.

Specifically, air outlet adjusting device 12 is composed of rotary cylinder 1201 and driving motor 1202. The rotating cylinder 1201 is of a hollow cylinder structure, the outer diameter of the rotating cylinder 1201 is matched with the inner diameter of the air outlet pipe 4, and the rotating cylinder 1201 is inserted into the air outlet pipe 4 to rotate; one side of the hollow column structure is provided with a notch which penetrates through the hollow column structure from top to bottom, and the width of the notch is slightly larger than the diameter of the small air outlet hole 11; the driving motor 1202 is disposed at a lower portion of the rotating cylinder 1201.

The driving motor 1202 drives the rotating cylinder 1201 to rotate, and when the gap rotates to correspond to a row of air outlet holes 11, the row of air outlet holes 11 can output air flow outwards, and other air outlet holes 11 are temporarily closed. When in use, the air flow control device can be set to fix a certain row of output air flow and fix the output direction and position of the air flow; or, the device is set to rotate continuously, and the rows output airflow alternately to further homogenize the input of the airflow.

The top of the air outlet pipe 4 is provided with an exhaust fan 14; when the vehicle is in a stop state or the air inflow cannot be met by natural air suction, the exhaust fan 14 is used for assisting air suction, and the stability of air flow input is ensured.

The self-closing grille 6 arranged at the exhaust port 5 is closed in a natural state, so that the cold air in the air conditioner does not flow out in the air conditioner in the state of not exchanging air, and the external air cannot enter the carriage 1 from the exhaust port 5; when the air pressure is applied, the self-closing grille 6 is opened outwards to discharge the air in the vehicle cabin 1.

Specifically, the inner walls of the left side and the right side of the exhaust port 5 are provided with bent barrier strips 13, so that the position of the self-closing grille 6 is limited, the self-closing grille cannot move inwards any more, and the self-closing grille can only be opened outwards. Preferably, the bending barrier strip 13 is arranged near a part of the inner part of the exhaust port 5, so that the self-closing grille 6 does not exceed the exhaust port 5 in the opening state, and the overall safety is improved.

The bending barrier 13 is composed of several inclined sections 1301 and horizontal sections 1302 connected end to end. The inclined section 1301 is arranged in a manner that the lower end inclines towards the outside of the exhaust port 5, the outer side surface of the high end of the inclined section 1301 is provided with a support plate 1303 with a hole, and the axial direction of the hole of the support plate 1303 with the hole is vertical to the side wall of the carriage 1; the bending barrier strips 13 on the two sides are symmetrically arranged, and a perforated support plate 1303 is arranged at the high end of each inclined section 1301.

The self-closing grating 6 consists of a plurality of grating plates 601, the two sides of the top of each grating plate 601 are provided with convex columns 602, and the convex columns 602 are inserted in the perforated support plate 1303; the grating plate 601 is rotatably connected with the bending barrier strip 13.

The width of the grating plate 601 is greater than the distance between the inner sides of the left and right bent barrier strips 13, and the width of the grating plate 601 is less than the distance between the outer sides of the left and right bent barrier strips 13; the length of the grating plate 601 is slightly larger than the length of the inclined section 1301.

In a closed state, under the action of gravity, the grating plate 601 is attached to the outer surface of the obliquely arranged bent barrier strip 13 to seal the exhaust port 5; the size of the grid plate 601 is set to ensure that the exhaust port 5 can be completely closed; in the ventilation state, airflow enters the carriage 1, so that the air pressure in the carriage 1 is increased, and the air flows out outwards; at this time, the air flow pushes up the lower end of the grill plate 601 by the air pressure, and the air is discharged from the air outlet 5.

When the invention is used, the exhaust fan 14 is selected to be started or not to assist air intake according to the required air flow; adjusting the input airflow by adjusting the air outlet adjusting device 12; when ventilation is not needed, the air outlet adjusting device 12 can seal the inlet air.

According to the invention, the self-closing grille 6 is closed in a natural state, so that the cold air in the self-closing grille does not flow out in a state of not exchanging air, and the external air cannot enter from the exhaust port 5; under the action of internal air pressure, the air-conditioning device can be opened outwards to discharge the air in the carriage 1; the air inlet 2 is designed in a sinking way, more air enters, and the flow rate of the entering air flow is increased; the filter screen plate 7 primarily filters impurities in the air; the sterilizing lamp 8 is used for sterilizing, so that the cleanness of air is ensured, and pollution is avoided; the dust filter plate 9 further improves the cleanness degree of air; the dust filter plate 9 is obliquely arranged, so that the required maintenance frequency is reduced, and the sealing box door 10 can be matched for quick cleaning; the air outlet pipes 4 disperse the air flow, so that the impact generated in the carriage 1 is reduced, and the influence on goods is reduced; the small air outlet holes 11 further disperse the air flow, so that the uniformity of the air flow is improved; the air outlet regulating device 12 regulates the outlet air of the air flow to match the required air input. The exhaust fan 14 is arranged to assist air intake, and the stability of air flow input is ensured.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. An automatic ventilation type refrigerator car comprises a carriage (1) and is characterized in that an air inlet (2) is formed in the top of the carriage (1), an air distribution box (3) is arranged inside the carriage (1), the air distribution box (3) is communicated with the air inlet (2), an air outlet pipe (4) is arranged on the lower portion of the air distribution box (3), exhaust ports (5) are arranged on the positions, close to the rear side, of the two side faces of the carriage (1), the exhaust ports (5) are of a vertical strip-shaped structure, the outlet of each exhaust port (5) protrudes out of the side wall of the carriage (1) and faces the rear side of the carriage (1), and a self-closing grid (6) is arranged in each exhaust port (5);

bending barrier strips (13) are arranged on the inner walls of the left side and the right side of the exhaust port (5), each bending barrier strip (13) is formed by connecting a plurality of inclined sections (1301) and horizontal sections (1302) end to end, the lower ends of the inclined sections (1301) are inclined outwards to the exhaust port (5), and the outer side surfaces of the high ends of the inclined sections (1301) are provided with porous support plates (1303);

the self-closing grating (6) consists of a plurality of grating plates (601), protruding columns (602) are arranged on two sides of the top of each grating plate (601), and the protruding columns (602) are inserted into the perforated support plate (1303);

the width of grid plate (601) is greater than about two distance between buckle blend stop (13) inboard, the width of grid plate (601) is less than about two distance between buckle blend stop (13) the outside, the length of grid plate (601) slightly is greater than the length of slope section (1301).

2. An automatic ventilation refrigerator car as claimed in claim 1, characterized in that said air intake (2) is of a sunk design, said air intake (2) gradually decreases rearward along the open side, penetrating the top surface of said compartment (1), the bottom of said air intake (2) communicating with the top of said air distribution box (3).

3. An automatic ventilation refrigerated vehicle according to claim 1 characterized in that the front side of the air intake (2) is provided with a filter screen (7).

4. An automatic ventilation refrigerator car as claimed in claim 1, characterized in that the top of the inner wall of the air inlet (2) is provided with a sterilizing lamp (8).

5. An automatic ventilation refrigerator car as claimed in claim 1, characterized in that the inside of the air distribution box (3) is provided with a dust filter (9), the dust filter (9) is inclined downwards from front to back, and a sealing box door (10) is arranged on the surface of the air distribution box (3) facing the back side of the carriage (1).

6. An automatic ventilation refrigerator car as claimed in claim 1, wherein said air outlet pipes (4) are provided in a plurality, and the top of said air outlet pipes (4) are connected to the bottom of said air distribution box (3).

7. An automatic ventilation refrigerator car as claimed in claim 1, wherein the outer surface of the air outlet pipe (4) is provided with air outlet small holes (11), the air outlet small holes (11) are vertically arranged in a plurality of rows, and the plurality of rows of air outlet small holes (11) are uniformly arranged on the outer surface of the air outlet pipe (4) in a surrounding manner;

an air outlet adjusting device (12) is arranged in the air outlet pipe (4);

the air outlet adjusting device (12) consists of a rotating cylinder (1201) and a driving motor (1202), and the rotating cylinder (1201) is inserted in the air outlet pipe (4); the rotating cylinder (1201) is of a hollow cylinder structure, one side of the hollow cylinder structure is provided with a notch which penetrates through the hollow cylinder structure from top to bottom, and the width of the notch is slightly larger than the diameter of the small air outlet hole (11); the driving motor (1202) is disposed at a lower portion of the rotating cylinder (1201).

8. An automatic ventilation refrigerator car as claimed in claim 1, wherein the top of said outlet duct (4) is provided with an exhaust fan (14).