CN211716815U

CN211716815U - Fabric air supply duct with pressure difference intelligent alarm system

Info

Publication number: CN211716815U
Application number: CN202020185488.0U
Authority: CN
Inventors: 刘淑芳; 朱鹏博; 李玉顺
Original assignee: Michi Shanghai Environmental Technology Co ltd
Current assignee: Michi Shanghai Environmental Technology Co ltd
Priority date: 2020-02-19
Filing date: 2020-02-19
Publication date: 2020-10-20
Anticipated expiration: 2030-02-19

Abstract

The utility model discloses a fabric air supply air pipe with a pressure difference intelligent alarm system, which comprises an air pipe, a wind pressure sensor, a connecting hose, a controller 11 and an audible and visual alarm device; the pipeline wind pressure sensor is arranged on the top near the tail end of the fabric air pipe or on a foot rest for fixing the steel wire rope; the air pipe end of the pipeline air pressure sensor is inserted into the end plug of the fabric air pipe through a hose, and the pipeline air pressure sensor is connected with the controller 11, so that the problems that the fabric air pipe is not full and the air speed of an air supply area is reduced due to the fact that the pressure in the fabric air supply air pipe is reduced are solved. When the pressure at the tail end of the fabric air pipe is lower than 10% of the normal pressure, generating sound and light alarm, checking the equipment voltage, cleaning the fabric air pipe, and recovering the normal pressure in the fabric air supply air pipe; meanwhile, the pressure in the pipeline can be monitored in real time, the controller 11 is connected with an audible and visual alarm, a differential pressure value is set, and an alarm is given when the differential pressure value is lower than the set differential pressure value; the pressure in the fabric air supply air duct is monitored in real time, and the normal operation of an air supply system is ensured.

Description

Fabric air supply duct with pressure difference intelligent alarm system

Technical Field

The utility model belongs to fabric tuber pipe intelligent system field is a fabric air supply tuber pipe with pressure difference intelligence alarm system.

Background

The dust in the fabric air supply system is large, so that the on-way resistance in the system is increased, the pressure loss is caused, and the air supply effect of the fabric air supply system is influenced; the voltage reduction of the equipment connected with the fabric air supply air pipe causes the pressure reduction of the fabric air pipe air supply system, and the air speed of the air supply area cannot meet the requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fabric air supply tuber pipe with pressure difference intelligence alarm system to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a fabric air supply air pipe with an intelligent pressure difference alarm system is an air pipe made of fabric, one end of the air pipe is connected with an arranged fan, the other end of the air pipe is provided with an air pressure sensor, the air pressure sensor is connected with an arranged controller through a lead, and the controller is electrically connected with an arranged sound-light alarm device; the air pipe is fixed on the wall body through a support which is provided with a lifting hook, the lifting hook slides on the steel wire rope, and the other end of the lifting hook is fixedly connected with the air pipe.

As the utility model discloses a preferred technical scheme: the tuber pipe is kept away from the one end of fan is equipped with the flaring to the cover has the hose on the flaring, the other end of hose with wind pressure sensor connects.

As the utility model discloses a preferred technical scheme: the support is made of angle iron, and the number of the support is two, and the support is respectively arranged at two ends of the air pipe.

As the utility model discloses a preferred technical scheme: the support is vertically connected with the wall body, a rope is further arranged on the support, and the support is fixed through connection of the rope and the wall body.

As the utility model discloses a preferred technical scheme: and a manual valve is arranged at the joint of the air pipe and the fan, and the air speed in the air pipe is controlled through the manual valve.

As the utility model discloses a preferred technical scheme: the alarm pressure value of the sound and light alarm device is 10% of the pressure when the air pipe normally operates.

Adopt above-mentioned technical scheme, the beneficial effects of the utility model are that: 1. the pressure in the fabric air supply air pipe system can be monitored in real time, the normal operation of the air supply system is ensured, the maintenance of equipment and the fabric air pipe is facilitated, and the service life of a product is ensured;

2. the problems that the fabric air pipe is not full and the air speed of an air supply area is reduced due to the fact that the pressure in the fabric air supply air pipe is reduced are solved. When the pressure at the tail end of the fabric air pipe is lower than 10% of the normal pressure, generating sound and light alarm, checking the equipment voltage, cleaning the fabric air pipe, and recovering the normal pressure in the fabric air supply air pipe;

3. the pressure in the pipeline can be monitored in real time, the controller is connected with the audible and visual alarm, the differential pressure value is set, and an alarm is given when the differential pressure value is lower than the set differential pressure value; the pressure in the fabric air supply air duct is monitored in real time, and the normal operation of an air supply system is ensured.

Drawings

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

FIG. 2 is a partially enlarged schematic view of the main structure of the present invention;

fig. 3 is a flow chart of the parameter setting of the main structure of the present invention.

In the figure: 1. a support; 2. a rope; 3. a wire rope; 4. a fan; 6. an air duct; 7. a hook; 8. a hose; 9. a wind pressure sensor; 10. an audible and visual alarm device; 11. a controller; 12. And (4) a manual valve.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "upper surface", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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. In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides an embodiment: a fabric air supply air pipe with an intelligent pressure difference alarm system comprises an air pipe 6 made of fabric, wherein one end of the air pipe 6 is connected with a fan 4, a wind pressure sensor 9 is arranged at the other end of the air pipe 6, the wind pressure sensor 9 is connected with a controller 11 through a lead, and the controller 11 is electrically connected with an acousto-optic alarm device 10;

the air pipe 6 is fixed on a wall body through the support 1 which is arranged, the support 1 is provided with a steel wire rope 3 used for a wire, the steel wire rope 3 is provided with a lifting hook 7, one end of the lifting hook 7 slides on the steel wire rope 3, and the other end of the lifting hook is fixedly connected with the air pipe 6.

The specific working principle and the installation mode are as follows: the wind pressure sensor 9, the connecting hose 8, the controller 11 and the audible and visual alarm device 10 are connected with the wind pipe 6;

meanwhile, one end of the hose 8 can be connected with the wind pressure sensor 9 in the following way, and the other end is connected with the wind pipe 6 made of fabric: namely, the end of the air pipe 6 is provided with a zipper, the end cap of the air pipe 6 is connected with the hose 8 and is provided with an orifice with the same outer diameter as that of the hose 8, and one end of the connecting hose 8 is sleeved on a threaded port of the air pressure sensor 9; the other end can be subjected to flaring treatment, the tail end is unzipped through a zipper, the end with the flaring is inserted into the orifice, and the flaring of the hose 8 is fixedly connected with the orifice;

the air pipe 6 is not restricted by product series, the shape of the air pipe 6, the length of the air pipe 6, the air outlet mode of the air pipe 6, the installation mode of the air pipe 6 and the like; one end of the connecting hose 8 is provided with a flaring which is convenient for being fixedly connected with a plug of the air pipe 6; the controller 11 can set an alarm pressure value, wherein the alarm pressure value is 10% of the pressure when the system normally operates;

the wind pressure sensor 9 is arranged at a proper position near the tail end of the wind pipe 6 according to the field condition, and can be arranged at the top or fixed at a foot rest of the wind pipe 6; the trachea end of wind pressure sensor 9 inserts in the terminal end cap of tuber pipe 6 through hose 8, wind pressure sensor 9 and controller 11 are connected, the pressure in the real-time supervision pipeline, controller 11 is connected with audible-visual annunciator, set for the differential pressure value, be less than and set for the differential pressure value and take place the warning, can the real-time supervision tuber pipe 6 internal pressure of system, guarantee air supply system normal operating, the maintenance of the equipment of being convenient for and tuber pipe 6 guarantees the life of product.

In order to further improve the running reliability of the air duct 6 and the stability of connection with a wall body, the two brackets 1 are made of angle iron and are respectively installed at two ends of the air duct 6.

Furthermore, the support 1 is vertically connected with the wall body, the rope 2 is further arranged on the support 1, the support 1 is connected with the wall body through the rope 2, the support 1 is fixed, the rope 2 is obliquely pulled on the support 1, a triangle is formed between the wall body and the support 1, and the installation of the device and the wall body is further stabilized.

The air pipe 6 with the junction of fan 4 is equipped with manual valve 12, and through manual valve 12 control the inside wind speed of tuber pipe 6, through setting up manual valve 12 to make the inside atmospheric pressure of tuber pipe 6 and the control of gas flow rate convenient, can also slide on wire rope 3 through lifting hook 7 tuber pipe 6 in addition, and then make the device disassemble conveniently, consequently also the washing of tuber pipe 6 is more convenient simple.

This device mainly measures whether the wind pressure is unusual in the fabric tuber pipe, and the wind pressure is decided by the fan of supply amount of wind, and different model fans wind pressure is all different, if: the wind pressure of a fan is 200Pa, the system resistance is subtracted, the pressure at the tail end is 160Pa, the set wind pressure value is 160Pa, the pressure value of the actual project is the set value, the set flow is shown in figure 3, wherein the model of a controller is PY502, the model of a sensor is a PY301 micro-differential pressure transmitter, the front end of the sensor is in a compression type stepped pipe connection with the diameter of 8mm, the working principle of the sensor is that a piezoresistive pressure sensor chip is adopted, the resistance value of a film is changed by using the pressure of a film resistor on a substrate, such as gas, namely, the piezoresistive effect is generated, a differential voltage signal is generated, and the signal corresponding to the measuring range is converted into a standard analog signal, such as current or voltage or a digital signal through a special amplifying circuit.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides a fabric air supply tuber pipe with differential pressure intelligence alarm system which characterized in that: the air pipe (6) is made of fabric, one end of the air pipe (6) is connected with the fan (4), the other end of the air pipe (6) is provided with a wind pressure sensor (9), the wind pressure sensor (9) is connected with a controller (11) through a wire, and the controller (11) is electrically connected with an audible and visual alarm device (10);

the utility model discloses a wire rope, including wire rope (3), hanging hook (7), tuber pipe (6) are fixed on the wall body through support (1) that is equipped with, just be equipped with wire rope (3) that are used for the wire on support (1), and be equipped with lifting hook (7) on wire rope (3), lifting hook (7) one end is in slide on wire rope (3), the other end with tuber pipe (6) fixed connection.

2. The fabric air supply duct with the intelligent differential pressure alarm system as claimed in claim 1, wherein: keep away from tuber pipe (6) the one end of fan (4) is equipped with the flaring to the cover has hose (8) on the flaring, the other end of hose (8) with wind pressure sensor (9) are connected.

3. The fabric air supply duct with the intelligent differential pressure alarm system as claimed in claim 1 or 2, wherein: the support (1) is made of angle iron, the number of the support is two, and the support is respectively arranged at two ends of the air pipe (6).

4. The fabric air supply duct with the intelligent differential pressure alarm system as claimed in claim 3, wherein: the support (1) is vertically connected with a wall body, a rope (2) is further arranged on the support (1), and the support (1) is fixed through connection of the rope (2) and the wall body.

5. The fabric air supply duct with the intelligent differential pressure alarm system as claimed in claim 1, wherein: and a manual valve (12) is arranged at the joint of the air pipe (6) and the fan (4), and the air speed in the air pipe (6) is controlled through the manual valve (12).

6. The fabric air supply duct with the intelligent differential pressure alarm system as claimed in claim 1, wherein: the alarm pressure value of the sound-light alarm device (10) is 10% of the pressure when the air pipe (6) normally operates.