Accident fan assembly for heat preservation workshop

Abstract

The utility model discloses an accident fan assembly for a heat preservation workshop, which comprises an accident fan, the accident fan is arranged on the wall of the heat preservation workshop, a sealing cover is arranged on the wall of the heat preservation workshop and at the air outlet of the accident fan, the sealing cover comprises a frame body, a plurality of louvre blades capable of being opened and closed are arranged in the frame body, and the louvre blades are arranged in the frame body. The louver blades are driven by a driving device to be opened and closed, and the driving device is electrically connected with the controller. Compared with the prior art, due to the fact that the sealing cover is additionally arranged, the louvre blades can be opened and closed according to needs, the heat preservation effect of the chemical workshop can be guaranteed, when an accident occurs, the controller can control the sealing cover and the accident fan to be opened in the first time, normal operation of the accident fan is guaranteed, the structure is simple, and implementation is easy.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical production workshops, in particular to an emergency fan component for a heat preservation workshop. Background Art

[0002] Chemical industry is the abbreviation of "chemical technology", "chemical industry" and "chemical engineering". Any technology that uses chemical methods to change the composition and structure of substances or synthesize new substances belongs to chemical production technology, that is, chemical technology, and the products obtained are called chemicals or chemical products.

[0003] At present, chemical workshops are usually equipped with emergency fans. When an accident occurs, the emergency fans can be started immediately to quickly discharge a large amount of toxic gases or gases, dust or aerosol substances that are dangerous for combustion or explosion. Emergency fans are usually installed on the walls of chemical workshops. However, for some chemical workshops with insulation requirements, the installation of ordinary emergency fans will greatly reduce the insulation effect, thereby affecting the temperature in the chemical workshop, which urgently needs to be solved. Utility Model Content

[0004] The purpose of the utility model is to provide an emergency fan assembly for a heat preservation workshop in order to solve the problems raised in the above background technology.

[0005] The purpose of this utility model is achieved through the following technical solutions:

[0006] An emergency fan assembly for an insulation workshop includes an emergency fan, wherein the emergency fan is installed on the wall of the insulation workshop, and a sealing cover is installed on the wall of the insulation workshop at the air outlet of the emergency fan. The sealing cover includes a frame, and a plurality of louvers that can be opened and closed are arranged in the frame. The louvers are driven by a driving device to achieve opening and closing, and the driving device is electrically connected to a controller.

[0007] As a preferred solution of the utility model, the emergency fan is electrically connected to a controller, and the controller controls the start and stop of the emergency fan.

[0008] As a preferred solution of the utility model, the driving device includes a driving motor, which is a forward and reverse motor, and the output end of the driving motor is transmission-connected with an output shaft, and a plurality of louver clips are rotatably connected to the frame, and the plurality of louver clips are distributed one-to-one with the plurality of louver blades, and the louver clips are fixedly connected to the corresponding louver blades, and the plurality of louver clips are all transmission-connected with a rotating shaft, and the rotating shaft is transmission-connected with the output shaft.

[0009] As a preferred solution of the present invention, the drive motor is electrically connected to a controller, and the controller controls the drive motor to rotate forward / reverse to realize the opening and closing of the louver blades.

[0010] As a preferred solution of the utility model, a temperature sensor and a smoke sensor are arranged in the heat preservation workshop, the temperature sensor is electrically connected to the controller, and the smoke sensor is electrically connected to the controller.

[0011] As a preferred solution of the present invention, the controller is a PLC controller.

[0012] The beneficial effect of the utility model is that, compared with the prior art, the utility model can open and close the louvers as needed by adding a sealing cover, thereby ensuring the thermal insulation effect of the chemical workshop, and when an accident occurs, the controller can also control the sealing cover and the emergency fan to open in the first time to ensure that the emergency fan can operate normally, and the structure is simple and easy to implement. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a structural schematic diagram of an emergency fan assembly for a heat preservation workshop according to the utility model;

[0014] Figure 2 It is a structural schematic diagram of the sealing cover of the utility model.

[0015] In the figure:

[0016] 1. Emergency fan; 2. Frame; 3. Drive motor; 4. Louver; 5. Output shaft; 6. Rotating shaft; 7. First bevel gear; 8. Second bevel gear; 9. Third bevel gear; 10. Fourth bevel gear. DETAILED DESCRIPTION

[0017] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar components or components having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0018] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, or a detachable connection, it can be a mechanical connection, it can be an electrical connection, it can be indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] In the description of the present utility model, unless otherwise clearly stipulated and limited, the first feature being "above" or "below" the second feature may include the first feature and the second feature being in direct contact, and may also include the first feature and the second feature not being in direct contact but being in contact through another feature between them. Moreover, the first feature being "above", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature. The technical solution of the present utility model will be further explained below in conjunction with the accompanying drawings and through specific implementation methods.

[0020] Please refer to Figure 1 and Figure 2 As shown, Figure 1 This is a structural schematic diagram of an emergency fan assembly for a heat preservation workshop according to the utility model; Figure 2 It is a structural schematic diagram of the sealing cover of the utility model.

[0021] In this embodiment, an emergency fan assembly for an insulation workshop includes an emergency fan 1, wherein the emergency fan 1 is installed on the wall of the insulation workshop, and a sealing cover is installed on the wall of the insulation workshop at the air outlet of the emergency fan 1, wherein the sealing cover includes a frame 2, wherein a plurality of louvers 4 that can be opened and closed are arranged in the frame 2, and the louvers 4 are driven by a driving device to achieve opening and closing, and the driving device is electrically connected to a controller.

[0022] Specifically, in this embodiment, the emergency fan 1 is electrically connected to a controller, and the controller controls the start and stop of the emergency fan 1.

[0023] Specifically, in the present embodiment, the driving device comprises a driving motor 3, the driving motor 3 is a forward and reverse motor, and the output end of the driving motor 3 is transmission-connected with an output shaft 5, a plurality of louver clips are rotationally connected to the frame 2, the plurality of louver clips are distributed one-to-one with the plurality of louver blades 4, the louver clips are fixedly connected with the corresponding louver blades 4, and the plurality of louver clips are transmission-connected with the rotating shaft 6, specifically, each louver clip is fixedly connected with a fourth bevel gear 10, a third bevel gear 9 matching with the fourth bevel gear 10 is fixedly provided on the rotating shaft 6, the rotating shaft 6 is perpendicular to the output shaft 5, a second bevel gear 8 is fixedly mounted on the rotating shaft 6, and a first bevel gear 7 matching with the second bevel gear 8 is fixedly mounted on the output shaft 5.

[0024] Specifically, in this embodiment, the driving motor 3 is electrically connected to the controller, and the controller controls the driving motor 3 to rotate forward / reverse to realize the opening and closing of the louver 4.

[0025] Specifically, in this embodiment, a temperature sensor and a smoke sensor are provided in the heat preservation workshop, the temperature sensor is electrically connected to the controller, and the smoke sensor is electrically connected to the controller.

[0026] Specifically, in this embodiment, the controller is a PLC controller.

[0027] The utility model adds a sealing cover, which can open and close the louver 4 as needed, thereby ensuring the thermal insulation effect of the chemical workshop. When an accident occurs, the controller can also control the sealing cover and the emergency fan 1 to open in the first time to ensure that the emergency fan 1 can operate normally. The structure is simple and easy to implement.

[0028] The above embodiments are only to illustrate the basic principles and characteristics of the utility model. The utility model is not limited by the above embodiments. Without departing from the spirit and scope of the utility model, the utility model has various changes and modifications, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims.

Claims

1. An emergency fan assembly for a heat preservation workshop, comprising an emergency fan, wherein the emergency fan is installed on the wall of the heat preservation workshop, and is characterized in that: A sealing cover is installed on the wall of the insulation workshop at the air outlet of the emergency fan. The sealing cover includes a frame, and a plurality of louvers that can be opened and closed are arranged in the frame. The louvers are driven by a driving device to open and close, and the driving device is electrically connected to the controller.

2. The emergency fan assembly for a heat preservation workshop according to claim 1 is characterized in that: The emergency fan is electrically connected to a controller, and the controller controls the start and stop of the emergency fan.

3. The emergency fan assembly for a heat preservation workshop according to claim 2 is characterized in that: The driving device includes a driving motor, which is a forward and reverse motor, and the output end of the driving motor is transmission-connected with an output shaft, and a plurality of louver clips are rotatably connected to the frame, and the plurality of louver clips are distributed one-to-one with the plurality of louver blades, and the louver clips are fixedly connected to the corresponding louver blades, and the plurality of louver clips are all transmission-connected with a rotating shaft, and the rotating shaft is transmission-connected with the output shaft.

4. The emergency fan assembly for a heat preservation workshop according to claim 3 is characterized in that: The driving motor is electrically connected to the controller, and the controller controls the driving motor to rotate forward / reverse to open and close the louver blades.

5. The emergency fan assembly for a heat preservation workshop according to claim 4 is characterized in that: A temperature sensor and a smoke sensor are arranged in the heat preservation workshop. The temperature sensor is electrically connected to the controller, and the smoke sensor is electrically connected to the controller.

6. An emergency fan assembly for a heat preservation workshop according to any one of claims 1 to 5, characterized in that: The controller is a PLC controller.

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