CN216518717U

CN216518717U - High-temperature plug-in type centrifugal fan with heat loss prevention function

Info

Publication number: CN216518717U
Application number: CN202122980166.2U
Authority: CN
Inventors: 陈宏根
Original assignee: Yancheng Yalin Fan Manufacturing Co ltd
Current assignee: Yancheng Yalin Fan Manufacturing Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-05-13
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a high-temperature plug-in centrifugal fan with heat loss prevention, which comprises an outlet shell, a vent hole is arranged in the outlet shell, a temperature sensor is fixed on the inner wall of the vent hole, the inside of the outlet shell is connected with a sliding plate in a sliding way, one side of the outlet shell close to the ventilation opening and the sliding plate are provided with a telescopic rod in public security, a push plate is connected in the telescopic rod in a sliding way, a hydraulic cavity is formed below the push plate, a pipeline at one side of the hydraulic cavity is connected with a hydraulic source, the hydraulic source is electrically connected with the temperature sensor, a push rod is fixed above the push plate and fixed with the sliding plate, a negative pressure cavity is formed below the sliding plate, the surface of the outlet shell close to the ventilation opening is provided with a plurality of through holes, the inner wall of the ventilation opening is connected with a flexible membrane, the top of slide is fixed with the connecting rod, and the device has solved the current easy radiating problem.

Description

High-temperature plug-in type centrifugal fan with heat loss prevention function

Technical Field

The utility model belongs to the technical direction of centrifugal fans, and particularly relates to a high-temperature plug-in type centrifugal fan with heat loss prevention.

Background

The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; the air source of the wind tunnel and the air cushion boat are inflated and propelled, and the heat energy loss of the existing centrifugal fan is serious in industrial application, so that the design of the high-temperature plug-in type centrifugal fan with the function of heat loss prevention can achieve a good heat insulation effect, and is necessary.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a high-temperature insertion-type centrifugal fan with thermal loss prevention for solving the above-mentioned problems of the background art.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a bayonet centrifugal fan of high temperature with thermal loss prevention, has seted up the vent including the inside of export shell, the inner wall of vent is fixed with temperature-sensing ware, the inside sliding connection of export shell has the slide, one side that the export shell is close to the vent is provided with the telescopic link with the slide peace and quiet.

The utility model further discloses that a push plate is connected to the inside of the telescopic rod in a sliding mode, a hydraulic cavity is formed below the push plate, a hydraulic source is connected to a pipeline on one side of the hydraulic cavity and is electrically connected with a temperature sensor, a push rod is fixed above the push plate, and the push rod is fixed with the sliding plate.

The utility model further discloses that a negative pressure cavity is formed below the sliding plate, a plurality of through holes are formed in the surface, close to the ventilation opening, of the outlet shell, and the inner wall of the ventilation opening is connected with a flexible membrane.

The utility model further discloses that a connecting rod is fixed at the top of the sliding plate, one end of the connecting rod is positioned at the outer side of the outlet shell, a heat insulation film is connected to the outer side of the outlet shell, and the heat insulation film is fixed with the connecting rod.

The utility model further discloses that an air storage cavity is formed between the heat insulation film and the outlet shell, a pipeline on one side of the air storage cavity is connected with a nitrogen source, and an air pump is connected between pipelines of the nitrogen source air storage cavity.

The utility model further discloses that the heat insulation film is made of a flexible material. The service life of the heat insulating film can be increased.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the heat insulation film is arranged, and when the air storage cavity is formed, the air pump is started to pump nitrogen into the air storage cavity from the nitrogen source, so that the heat insulation effect is further achieved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is a two-dimensional schematic view of the telescoping pole of the present invention;

in the figure: 1. an outlet housing; 2. a vent; 3. a flexible film; 4. a through hole; 5. an air storage cavity; 6. a heat insulating film; 7. a connecting rod; 8. a slide plate; 9. a negative pressure chamber; 10. a hydraulic chamber; 11. a telescopic rod; 12. a push rod; 13. A push plate.

Detailed Description

The present invention will be described in further non-limiting detail with reference to the following preferred embodiments and accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides the following technical solutions: a high-temperature plug-in type centrifugal fan with heat loss prevention function comprises an outlet shell 1, wherein a vent 2 is formed in the outlet shell, a temperature sensor is fixed on the inner wall of the vent 2, a sliding plate 8 is connected to the inner portion of the outlet shell 1 in a sliding mode, a telescopic rod 11 is arranged on one side, close to the vent 2, of the outlet shell 1 and the sliding plate 8 in a public security mode, when the centrifugal fan works, the generated air flow has temperature and can pass through the vent 2, and the temperature sensor in the outlet shell can monitor the temperature change of the air flow at the vent 2 in real time;

a push plate 13 is connected to the inside of the telescopic rod 11 in a sliding mode, a hydraulic cavity 10 is formed below the push plate 13, a hydraulic source is connected to a pipeline on one side of the hydraulic cavity 10 and is electrically connected with the temperature sensor, a push rod 12 is fixed above the push plate 13, and the push rod 12 is fixed with the sliding plate 8;

a negative pressure cavity 9 is formed below the sliding plate 8, a plurality of through holes 4 are formed in the surface, close to the vent 2, of the outlet shell 1, the inner wall of the vent 2 is connected with the flexible membrane 3, when the temperature sensor detects that the temperature of the air flow is reduced, a signal is transmitted to the hydraulic source, so that the hydraulic source transmits liquid into the hydraulic cavity 10, the push plate 13 is pushed to rise, the push rod 12 is made to push the sliding plate 8 to slide in the outlet 1, the space of the negative pressure cavity 9 is enlarged, the flexible membrane 3 is sucked into the negative pressure cavity 9 through the through holes, and the inner wall of the outlet shell 1 forms an arc cavity;

a connecting rod 7 is fixed at the top of the sliding plate 8, one end of the connecting rod 7 is positioned at the outer side of the outlet shell 1, a heat insulation film 6 is connected to the outer side of the outlet shell 1, the heat insulation film 6 is fixed with the connecting rod 7, when the sliding plate 8 ascends, the connecting rod 7 is pushed upwards, so that the heat insulation film 6 is pushed upwards, the distance between the heat insulation film 6 and the outlet shell 1 is increased, and the heat dissipation degree is reduced;

be formed with between thermal-insulated membrane 6 and the export shell 1 and deposit the air cavity 5, deposit one side pipe connection of air cavity 5 and have a nitrogen gas source, and the nitrogen gas source is connected with the air pump between the pipeline of air cavity 5, and when forming air cavity 5 messenger, start the air pump, go into the air cavity with nitrogen gas from the nitrogen gas source pump, further play thermal-insulated effect.

The heat insulation film 6 is made of flexible materials, so that the service life of the heat insulation film 6 can be prolonged.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Finally, it should be pointed out that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions may be made in some technical features thereof, without departing from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A high-temperature plug-in centrifugal fan with protection against heat loss, comprising an outlet casing (1), characterized in that: vent (2) have been seted up to the inside of export shell (1), the inner wall of vent (2) is fixed with temperature-sensing ware, the inside sliding connection of export shell (1) has slide (8), one side that export shell (1) is close to vent (2) is provided with telescopic link (11) with slide (8) peacefully.

2. A high-temperature insertion-type centrifugal fan with heat loss prevention according to claim 1, characterized in that: the inside sliding connection of telescopic link (11) has push pedal (13), the below of push pedal (13) is formed with hydraulic pressure chamber (10), one side pipe connection in hydraulic pressure chamber (10) has the hydraulic pressure source, the hydraulic pressure source is connected for the electricity with the temperature-sensing ware, the top of push pedal (13) is fixed with push rod (12), push rod (12) are fixed with slide (8).

3. A high-temperature insertion-type centrifugal fan with heat loss prevention according to claim 2, characterized in that: the below of slide (8) is formed with negative pressure chamber (9), a plurality of through-holes (4) have been seted up on the surface that export shell (1) is close to vent (2), the inner wall connection of vent (2) has flexible membrane (3).

4. A high-temperature insertion-type centrifugal fan with heat loss prevention according to claim 3, characterized in that: the top of slide (8) is fixed with connecting rod (7), the one end of connecting rod (7) is located the outside of export shell (1), the outside of export shell (1) is connected with thermal-insulated membrane (6), thermal-insulated membrane (6) are fixed with connecting rod (7).

5. The high-temperature insertion-type centrifugal fan with heat loss prevention according to claim 4, characterized in that: an air storage cavity (5) is formed between the heat insulation film (6) and the outlet shell (1), a pipeline on one side of the air storage cavity (5) is connected with a nitrogen source, and an air pump is connected between pipelines of the nitrogen source in the air storage cavity (5).

6. A high-temperature insertion-type centrifugal fan with heat loss prevention according to claim 5, characterized in that: the heat insulation film (6) is made of flexible materials.