CN219509866U

CN219509866U - Tunnel jet fan operation wind direction monitoring and indicating device

Info

Publication number: CN219509866U
Application number: CN202320300530.2U
Authority: CN
Inventors: 米铁强; 范红宁; 李君强
Original assignee: Shijiazhuang Pan'an Technology Development Co ltd
Current assignee: Shijiazhuang Pan'an Technology Development 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 tunnel jet fan monitoring, and discloses a tunnel jet fan operation wind direction monitoring and indicating device which comprises a base, wherein a K12 forward duplex limit switch and a K22 reverse duplex limit switch are arranged above the base, a wind direction detection plate is arranged between the K12 forward duplex limit switch and the K22 reverse duplex limit switch, a detection plate guide column is arranged on the outer side wall of the wind direction detection plate, a spring is sleeved on the outer side wall of the detection plate guide column, and an L2 operation wind direction reverse indicator lamp and an L1 operation wind direction forward indicator lamp are arranged on the outer side wall of the base. This tunnel efflux fan operation wind direction monitoring and indicating device reaches the purpose of quick monitoring fan's wind direction, and more directly perceived, also can need not the manual work at the high spot and can confirm the wind direction, and the practicality is strong.

Description

Tunnel jet fan operation wind direction monitoring and indicating device

Technical Field

The utility model relates to the technical field of tunnel jet fan monitoring, in particular to a tunnel jet fan operation wind direction monitoring and indicating device.

Background

In order to ventilate and discharge fume in the tunnel, usually set up the jet fan, can the positive and negative transportation move. In general, forward ventilation (forward rotation) refers to the direction of wind along the direction of driving, and is mainly used for ventilation; the reverse ventilation (reverse rotation) means that the wind direction is opposite to the driving direction, and is mainly used for smoke discharge. After the jet fan is installed and debugged under normal conditions, the forward and reverse directions of control software are fixed, however, under special conditions, the phase sequence of the later three-phase power supply is changed from the original due to the maintenance of a substation or other reasons, so that the forward and reverse rotation directions of the jet fan are changed, the control is disordered, and the actual running directions cannot be normally distinguished only from the control end. Meanwhile, when in field debugging, because the fan is hung at a high position, the fan is influenced by noise and natural wind, and debugging personnel can hardly intuitively see the wind direction of the fan. It is therefore necessary to directly monitor and visually indicate the wind direction of the wind turbine by physical means.

Therefore, a device for monitoring and indicating the running wind direction of a tunnel jet fan is provided.

Disclosure of Invention

The utility model aims to provide a device for monitoring and indicating the running wind direction of a tunnel jet fan, which aims to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a tunnel jet fan operation wind direction monitoring and indicating device, includes the base, the base top is provided with K12 forward duplex limit switch and K22 reverse duplex limit switch, be provided with wind direction pick-up plate between K12 forward duplex limit switch and the K22 reverse duplex limit switch, be provided with the pick-up plate guide post on the lateral wall of wind direction pick-up plate, the cover is equipped with the spring on the lateral wall of pick-up plate guide post, be provided with L2 operation wind direction reverse indicator and L1 operation wind direction forward indicator on the lateral wall of base.

Preferably, the outer side wall of the wind direction detection plate is provided with perforations near the two ends, and two detection plate guide posts are arranged in the perforations in a penetrating manner.

The wind direction detection plate is supported by the two detection plate guide posts, so that the stability of the wind direction detection plate can be improved well.

Preferably, the springs are divided into two sections and are arranged on the outer side wall of the guide post of the detection plate, and the two sections of springs are respectively attached to two opposite surfaces of the outer side wall of the wind direction detection plate.

When the fan stops running, the wind direction detection plate is pushed by the spring and returns to the central position, the sensor does not output, and in order to reduce the influence of natural wind, the springs have specific elasticity, so that misoperation is prevented.

Preferably, the K12 forward duplex limit switch and the K22 reverse duplex limit switch are respectively arranged at different side positions on two opposite surfaces of the wind direction detection plate.

Preferably, the K12 forward duplex limit switch and the K22 reverse duplex limit switch are respectively provided with a feeler lever, and the feeler levers of the K12 forward duplex limit switch and the K22 reverse duplex limit switch extend to two sides of the wind direction detection plate relatively.

The feeler lever touches the wind direction detecting plate from one side, so that the monitoring purpose can be achieved, and the method is convenient and quick.

Preferably, the K12 forward direction duplex limit switch is connected with the L1 running wind direction forward direction indicator lamp through a circuit, and the K22 reverse direction duplex limit switch is connected with the L2 running wind direction reverse direction indicator lamp through a circuit.

Compared with the prior art, the utility model has the following beneficial effects:

the device is arranged at the center of an air outlet grid, when the fan runs positively, the wind blows the wind direction detection plate to press the K12 forward duplex limit switch, the K12 forward duplex limit switch is closed, the L1 running wind direction forward indication lamp is controlled to be lightened, meanwhile, a forward signal is output to the control system, when the fan runs reversely, the wind blows the wind direction detection plate to press the K22 reverse duplex limit switch, the K22 reverse duplex limit switch is closed, the L2 running wind direction reverse indication lamp is controlled to be lightened, meanwhile, the forward signal is output to the control system, so that the purpose of rapidly monitoring the wind direction of the fan is achieved, the wind direction can be more intuitively confirmed without manual work at a high point, and the practicability is high.

Drawings

FIG. 1 is a schematic side view of the present utility model;

FIG. 2 is a schematic view of the front view of the present utility model;

FIG. 3 is a schematic top plan view of the present utility model;

FIG. 4 is a schematic diagram of the structure of the indicator lamp of the present utility model;

FIG. 5 is a schematic diagram of the indicator light control of the present utility model;

fig. 6 is a schematic diagram of a limit switch control according to the present utility model.

Wherein: 1. a wind direction detection plate; 2. k12 positive duplex limit switch; 3. k22 reverse duplex limit switch; 4. a spring; 5. detecting plate guide posts; 6. l2 runs a wind direction reverse indicator lamp; 7. l1 runs a wind direction forward indicator lamp.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, a device for monitoring and indicating the running wind direction of a tunnel jet fan comprises a base, wherein a K12 forward duplex limit switch 2 and a K22 reverse duplex limit switch 3 are arranged above the base, a wind direction detection plate 1 is arranged between the K12 forward duplex limit switch 2 and the K22 reverse duplex limit switch 3, a detection plate guide post 5 is arranged on the outer side wall of the wind direction detection plate 1, a spring 4 is sleeved on the outer side wall of the detection plate guide post 5, and an L2 running wind direction reverse indicator lamp 6 and an L1 running wind direction forward indicator lamp 7 are arranged on the outer side wall of the base.

Through the technical scheme, the device is arranged at the center of the air outlet grid, when the fan runs positively, the wind force blows the wind direction detection plate 1 to press the K12 positive duplex limit switch 2, the K12 positive duplex limit switch 2 is closed, the L1 running wind direction forward indicator lamp 7 is controlled to be lightened, meanwhile, a forward signal is output to the control system, when the fan runs reversely, the wind force blows the wind direction detection plate 1 to press the K22 reverse duplex limit switch 3, the K22 reverse duplex limit switch 3 is closed, the L2 running wind direction reverse indicator lamp 6 is controlled to be lightened, and meanwhile, a forward signal is output to the control system, so that the purpose of rapidly monitoring the wind direction of the fan is achieved, the wind direction can be confirmed more intuitively, the wind direction can be confirmed without manpower at a high point, and the practicability is strong.

Specifically, the outer side wall of the wind direction detection plate 1 is provided with perforations near the two ends, and a detection plate guide post 5 is arranged in each perforation.

Through above-mentioned technical scheme, support wind direction pick-up plate 1 through two pick-up plate guide posts 5, the stability of improvement wind direction pick-up plate 1 that can be fine.

Specifically, the springs 4 are divided into two sections and are arranged on the outer side wall of the detection plate guide post 5, and the two sections of springs 4 are respectively attached to two opposite surfaces of the outer side wall of the wind direction detection plate 1.

Through the technical scheme, when the fan stops running, the wind direction detection plate 1 is pushed by the spring 4 and returns to the central position, the sensor does not output, and in order to reduce the influence of natural wind, the spring 4 has specific elasticity, so that misoperation is prevented.

Specifically, the K12 forward duplex limit switch 2 and the K22 reverse duplex limit switch 3 are respectively arranged at different side positions on two opposite surfaces of the wind direction detection plate 1.

Specifically, the feeler levers are arranged on the K12 forward duplex limit switch 2 and the K22 reverse duplex limit switch 3, and the feeler levers of the K12 forward duplex limit switch 2 and the K22 reverse duplex limit switch 3 extend to two sides of the wind direction detection plate 1 relatively.

Through above-mentioned technical scheme, the feeler lever touches wind direction pick-up plate 1 from one side, can reach the monitoring purpose, convenient and fast.

Specifically, the K12 forward duplex limit switch 2 is connected with the L1 running wind direction forward indicator lamp 7 through a circuit, and the K22 reverse duplex limit switch 3 is connected with the L2 running wind direction reverse indicator lamp 6 through a circuit.

When the device is used, the device is arranged at the center of an air outlet grid, when the fan runs forward, the wind force blows the wind direction detection plate 1 to press the K12 forward duplex limit switch 2, the K12 forward duplex limit switch 2 is closed, the L1 running wind direction forward indicator lamp 7 is controlled to be lightened, meanwhile, a forward signal is output to the control system, when the fan runs reversely, the wind force blows the wind direction detection plate 1 to press the K22 reverse duplex limit switch 3, the K22 reverse duplex limit switch 3 is closed, the L2 running wind direction reverse indicator lamp 6 is controlled to be lightened, and meanwhile, the forward signal is output to the control system.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit thereof, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tunnel jet fan operation wind direction monitoring and indicating device, includes base, its characterized in that: the novel wind direction detection device is characterized in that a K12 forward duplex limit switch (2) and a K22 reverse duplex limit switch (3) are arranged above the base, a wind direction detection plate (1) is arranged between the K12 forward duplex limit switch (2) and the K22 reverse duplex limit switch (3), a detection plate guide column (5) is arranged on the outer side wall of the wind direction detection plate (1), a spring (4) is sleeved on the outer side wall of the detection plate guide column (5), and an L2 running wind direction reverse indicator lamp (6) and an L1 running wind direction forward indicator lamp (7) are arranged on the outer side wall of the base.

2. The tunnel jet fan operation wind direction monitoring and indicating device according to claim 1, wherein: perforations are formed in the positions, close to two ends, of the outer side wall of the wind direction detection plate (1), and a detection plate guide column (5) is arranged in each perforation in a penetrating mode.

3. The tunnel jet fan operation wind direction monitoring and indicating device according to claim 2, wherein: the spring (4) is divided into two sections and is arranged on the outer side wall of the detection plate guide column (5), and the two sections of the spring (4) are respectively attached to two opposite surfaces of the outer side wall of the wind direction detection plate (1).

4. The tunnel jet fan operation wind direction monitoring and indicating device according to claim 1, wherein: the K12 forward duplex limit switch (2) and the K22 reverse duplex limit switch (3) are respectively arranged at different side positions on two opposite faces of the wind direction detection plate (1).

5. The tunnel jet fan operation wind direction monitoring and indicating device according to claim 1, wherein: the utility model discloses a wind direction detection plate, including K12 forward duplex limit switch (2) and K22 reverse duplex limit switch (3), be provided with the feeler lever on K12 forward duplex limit switch (2) and K22 reverse duplex limit switch (3), the feeler lever of K12 forward duplex limit switch (2) and K22 reverse duplex limit switch (3) extends in wind direction detection plate (1) both sides relatively.

6. The tunnel jet fan operation wind direction monitoring and indicating device according to claim 1, wherein: the K12 forward direction duplex limit switch (2) is connected with the L1 running wind direction forward direction indicator lamp (7) through a circuit, and the K22 reverse direction duplex limit switch (3) is connected with the L2 running wind direction reverse direction indicator lamp (6) through a circuit.