CN217980646U

CN217980646U - Wireless wind pressure detector

Info

Publication number: CN217980646U
Application number: CN202222475470.6U
Authority: CN
Inventors: 轩晓春; 李长宣; 谢金存; 邓中正
Original assignee: Zhengzhou Jiangchang Intelligent Technology Co ltd
Current assignee: Zhengzhou Jiangchang Intelligent Technology Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2022-12-06
Anticipated expiration: 2032-09-19

Abstract

The utility model discloses a wireless wind pressure detector, which comprises a shell; a housing: its front end joint has the cap, the inside of casing is provided with battery and singlechip respectively, be provided with the display screen in the inside mounting hole of cap, the front end of cap is provided with control button, the inside upside of casing is provided with the wind pressure sensor, the output of battery is connected to the input electricity of singlechip, the input of singlechip is connected to the output electricity of wind pressure sensor, the output electricity of singlechip is connected to the input of display screen, the input of singlechip is connected to control button's output electricity, the upper end of casing is provided with the connecting block, the ventilation hole that corresponds with the wind pressure sensor is seted up to the inside of connecting block, the inside sliding connection in left ventilation hole has the connecting pipe, this wireless wind pressure detector, be convenient for install pitot tube and coupling hose, the installation does not have the loss to coupling hose, and is easy to operate, high durability and convenient use, and wide application range.

Description

Wireless wind pressure detector

Technical Field

The utility model relates to an urban rail transit equipment technical field specifically is a wireless wind pressure detector.

Background

The urban rail transit equipment includes: escalators, AFC (automatic fare collection) systems, screen doors, automatic doors, vehicle air conditioners, central air conditioners, ventilation equipment, water supply and drainage equipment, fire sprinkler systems, subway vehicle traction, switch point equipment, power control systems, and the like. When track equipment installation is carried out in a tunnel, firstly, the wind pressure in the tunnel is detected through a wireless wind pressure detector, whether the wind pressure meets construction conditions or not is determined, when the existing wireless wind pressure detector is used, firstly, a connecting hose and a pitot tube are connected to the detector, then, the wind pressure detection is carried out, most of the detectors utilize the elasticity of the hose to forcibly sleeve the hose at an air inlet of the detector, along with the increase of the use times, the connecting hose can weaken the elasticity along with the use, the use of the detector is influenced, at the moment, the hose is required to be replaced, the use is inconvenient, the consumption is large, and therefore, the wireless wind pressure detector is provided.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a wireless wind pressure detector, be convenient for install pitot tube and coupling hose, the installation does not have the loss to coupling hose, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a wireless wind pressure detector comprises a shell;

a housing: its front end joint has the cap, the inside of casing is provided with battery and singlechip respectively, be provided with the display screen in the inside mounting hole of cap, the front end of cap is provided with control button, the inside upside of casing is provided with the wind pressure sensor, the output of battery is connected to the input electricity of singlechip, the input of singlechip is connected to the output electricity of wind pressure sensor, the output electricity of singlechip is connected to the input of display screen, the input of singlechip is connected to control button's output electricity, the upper end of casing is provided with the connecting block, the ventilation hole that corresponds with the wind pressure sensor is seted up to the inside of connecting block, the inside sliding connection in left ventilation hole has the connecting pipe, the extrados upside of connecting pipe has cup jointed coupling hose, it has the pitot tube to peg graft in coupling hose's inside upper end, be convenient for install pitot tube and coupling hose, the installation does not have the loss to coupling hose, and is easy to operate, high durability and convenient use, and wide application range.

Further, a clamping groove is formed in the lower side of the outer arc face of the connecting pipe, the accommodating groove is formed in the connecting block, the left wall face of the accommodating groove is provided with the cylinder, the inside of the cylinder is slidably connected with the sliding column, the right end of the sliding column is fixedly provided with a clamping block, and the clamping block is clamped with the clamping groove to facilitate fixing of the connecting pipe.

Further, the extrados cover of drum is equipped with spring one, the left end of spring one and the left wall fixed connection of holding tank, the right-hand member of spring one and the left end fixed connection of fixture block for the fixture block can keep with the connecting pipe joint.

Further, sliding connection has the post of inserting in the round hole of connecting block upper end, and the fixed briquetting that is provided with of lower extreme of inserting the post, the indent that corresponds with the briquetting is seted up to the upper end of fixture block, and the briquetting is installed with the indent cooperation, and the upper end of inserting the post is provided with the clamp plate, and the outer cambered surface downside cover of inserting the post is equipped with spring two, the upper end of spring two and the roof fixed connection of holding tank, the lower extreme of spring two and the upper end fixed connection of briquetting are convenient for take out the connecting pipe.

Furthermore, a sealing groove is formed in the connecting block, a sealing gasket is adhered to the inside of the sealing groove through glue liquid, the inner wall face of the sealing gasket is connected with the outer arc face of the connecting pipe in a sliding mode, and therefore the air tightness of the detector is guaranteed.

Furthermore, the upper end of the shell is provided with a hanging ring, so that the detector is convenient to carry.

Furthermore, both ends all are provided with the rubber pad about the casing, are convenient for take the use to this detector.

Compared with the prior art, the beneficial effects of the utility model are that: this wireless wind pressure detector has following benefit:

when wind pressure measurement needs to be carried out on the inside of a tunnel, firstly, a pitot tube, a connecting hose and a connecting pipe are sequentially sleeved together, the connecting pipe is inserted into the left side ventilation hole, because the right end of the clamping block is of an inclined plane structure, the clamping block is extruded leftwards in the downward moving process of the connecting pipe, the first spring is compressed at the moment, the first spring moves downwards to the bottom of the connecting block along with the connecting pipe, the clamping block enters the inside of the clamping groove under the elastic force action of the first spring and is clamped with the clamping groove, the connecting pipe is fixed, after the measurement is finished, the inserting column and the pressing block are pressed through the pressing plate, the pressing block moves downwards, the second spring is stretched at the moment, the pressing block is connected with the pressing groove in a sliding mode in the downward moving process, the clamping block is further pushed leftwards, the clamping block is separated from the clamping groove, the connecting pipe can be taken out, after the pressing plate is loosened, the clamping block and the pressing block reset under the action of the first spring, the second spring, the mounting of the pitot tube is convenient to the pitot tube, no loss is caused in the mounting process, the pitot tube, the operation is simple, the use is convenient, and the application range is wide.

Drawings

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

FIG. 2 is a schematic view of the internal cross-sectional structure of the present invention;

fig. 3 is a schematic diagram of the enlarged structure at a position of the present invention.

In the figure: the device comprises a shell 1, a shell cover 2, a storage battery 3, a single chip microcomputer 4, a wind pressure sensor 5, a display screen 6, a control button 7, a connecting block 8, a vent hole 9, a connecting pipe 10, a clamping groove 11, a cylinder 12, a sliding column 13, a clamping block 14, a spring I15, a plug column 16, a pressing block 17, a pressing groove 18, a spring II 19, a pressing plate 20, a sealing gasket 21, a connecting hose 22, a pitot tube 23, a hanging ring 24 and a rubber gasket 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present embodiment provides a technical solution: a wireless wind pressure detector comprises a shell 1;

a housing 1: the front end of the shell is clamped with a shell cover 2, a storage battery 3 and a single chip microcomputer 4 are respectively arranged inside a shell 1, a display screen 6 is arranged in a mounting hole inside the shell cover 2, a control button 7 is arranged at the front end of the shell cover 2, a wind pressure sensor 5 is arranged on the upper side inside the shell 1, the input end of the single chip microcomputer 4 is electrically connected with the output end of the storage battery 3, the output end of the wind pressure sensor 5 is electrically connected with the input end of the single chip microcomputer 4, the input end of the display screen 6 is electrically connected with the output end of the single chip microcomputer 4, the output end of the control button 7 is electrically connected with the input end of the single chip microcomputer 4, a connecting block 8 is arranged at the upper end of the shell 1, a ventilation hole 9 corresponding to the wind pressure sensor 5 is arranged inside the connecting block 8, a connecting pipe 10 is slidably connected inside the ventilation hole 9 at the left side, a connecting hose 22 is sleeved at the upper side of the outer arc surface of the connecting pipe 10, a pitot tube 23 is inserted at the upper end of the connecting hose 22, the upper end of the shell 1 is provided with a hanging ring 24, the left end and the right end of the shell 1 are both provided with rubber pads 25, a pitot tube 23 is taken up and aligned to the direction of wind pressure to be measured in a tunnel, the wind enters the inside of the detector through a connecting hose 22 and a connecting pipe 10 of the pitot tube 23, the wind pressure acts on a diaphragm of a wind pressure sensor 5, so that the diaphragm generates micro displacement in proportion to the pressure of a medium, the resistance of the wind pressure sensor 5 is changed, a standard signal corresponding to the pressure is converted and output to a single chip microcomputer 4, the single chip microcomputer 4 displays the measurement result in a display screen 6, the wind pressure value of the corresponding position in the tunnel can be obtained, a hanging rope is connected with the hanging ring 24, the detector is convenient to carry, the detector is convenient to take and convenient to use, and the detector is prevented from being damaged due to accidental dropping by the arrangement of the rubber pads 25;

wherein: a clamping groove 11 is arranged at the lower side of the outer arc surface of the connecting pipe 10, a holding tank is arranged inside the connecting block 8, a cylinder 12 is arranged on the left wall surface of the holding tank, a sliding column 13 is connected inside the cylinder 12 in a sliding manner, a clamping block 14 is fixedly arranged at the right end of the sliding column 13, the clamping block 14 is clamped with the clamping groove 11, a first spring 15 is sleeved on the outer arc surface of the cylinder 12, the left end of the first spring 15 is fixedly connected with the left wall surface of the holding tank, the right end of the first spring 15 is fixedly connected with the left end of the clamping block 14, an inserting column 16 is connected in a circular hole at the upper end of the connecting block 8 in a sliding manner, a pressing block 17 is fixedly arranged at the lower end of the inserting column 16, a pressing groove 18 corresponding to the pressing block 17 is arranged at the upper end of the clamping block 14, the pressing block 17 is installed in a matching manner with the pressing groove 18, a pressing plate 20 is arranged at the upper end of the inserting column 16, a second spring 19 is sleeved at the lower side of the outer arc surface of the inserting column 16, and is fixedly connected with the top wall of the holding tank, the lower end of the second spring 19 is fixedly connected with the upper end of the pressing block 17, a sealing groove is formed in the connecting block 8, a sealing gasket 21 is adhered to the inside of the sealing groove through glue, the inner wall surface of the sealing gasket 21 is in sliding connection with the outer arc surface of the connecting pipe 10, when wind pressure measurement needs to be carried out on the inside of the tunnel, the pitot tube 23, the connecting hose 22 and the connecting pipe 10 are sequentially sleeved together, the connecting pipe 10 is inserted into the inside of the ventilation hole 9 on the left side, because the right end of the clamping block 14 is of an inclined surface structure, the clamping block 14 is extruded leftwards in the downward moving process of the connecting pipe 10, the first spring 15 is compressed at the moment, the clamping block 14 enters the inside of the clamping groove 11 under the elastic force of the first spring 15 and is clamped with the clamping groove 11, the connecting pipe 10 is fixed, the air inlet of the connecting pipe 10 cannot be leaked due to the sealing gasket 21, and the accuracy of a measuring result is guaranteed, after the measurement is finished, the inserting column 16 and the pressing block 17 are pressed through the pressing plate 20, the pressing block 17 moves downwards, the second spring 19 is stretched, the pressing block 17 is in sliding connection with the pressing groove 18 in the downward moving process, the clamping block 14 is further pushed leftwards, the clamping block 14 is separated from the clamping groove 11, the connecting pipe 10 can be taken out, after the pressing plate 20 is loosened, the clamping block 14 and the pressing block 17 reset again under the action of the second spring 19 and the first spring 15, the pitot tube 23 can be conveniently installed, the connecting hose 22 is not lost in the installation process, the operation is simple, the use is convenient, and the application range is wide.

The utility model provides a pair of wireless wind pressure detector's theory of operation as follows: when wind pressure measurement needs to be carried out in a tunnel, firstly, a pitot tube 23, a connecting hose 22 and a connecting pipe 10 are sequentially sleeved together, the connecting pipe 10 is inserted into the left ventilation hole 9, because the right end of a clamping block 14 is of an inclined plane structure, the clamping block 14 is extruded leftwards in the process that the connecting pipe 10 moves downwards, at the moment, a spring I15 is compressed, along with the fact that the connecting pipe 10 moves downwards to the bottom of a connecting block 8, the clamping block 14 enters the inside of a clamping groove 11 under the action of the elastic force of the spring I15 and is clamped with the clamping groove 11, so that the connecting pipe 10 is fixed, a sealing gasket 21 prevents air inflow of the connecting pipe 10 from leaking, the accuracy of a measurement result is guaranteed, the pitot tube 23 is taken up and aligned to the direction of wind pressure to be measured in the tunnel, wind enters the inside of a detector through the pitot tube 23 and the connecting hose 22 and the connecting pipe 10, and acts on a diaphragm of a wind pressure sensor 5, the diaphragm is enabled to generate micro displacement in proportion to the medium pressure, the resistance of the wind pressure sensor 5 is enabled to change, a standard signal corresponding to the pressure is converted and output to the single chip microcomputer 4, the single chip microcomputer 4 displays the measurement result in the display screen 6, the wind pressure value of the corresponding position in the tunnel can be obtained, after the measurement is finished, the inserting column 16 and the pressing block 17 are pressed through the pressing plate 20, the pressing block 17 moves downwards, the spring II 19 is stretched, the pressing block 17 is in sliding connection with the pressing groove 18 in the downward moving process, the clamping block 14 is further pushed leftwards, the clamping block 14 is separated from the clamping groove 11, the connecting pipe 10 can be taken out, after the pressing plate 20 is loosened, the clamping block 14 and the pressing block 17 reset again under the action of the spring II 19 and the spring I15, the pitot tube 23 can be conveniently installed, no loss is caused to the connecting hose 22 in the installation process, the operation is simple, the use is convenient, and the application range is wide, the hanging rope is connected with the hanging ring 24, the detector is convenient to carry, and the rubber pad 25 is arranged, so that the detector is convenient to take and prevent accidental falling and damage, and the detector is convenient to use.

It should be noted that the single chip 4 disclosed in the above embodiments may use S7-200, the wind pressure sensor 5 may use CCY11, the display screen 6 may use JLX200-017-PC, and the single chip 4 controls the wind pressure sensor 5 and the display screen 6 to operate by methods commonly used in the prior art.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a wireless wind pressure detector which characterized in that: comprises a shell (1);

housing (1): the front end of the shell is connected with a shell cover (2) in a clamping mode, a storage battery (3) and a single chip microcomputer (4) are arranged inside the shell (1) respectively, a display screen (6) is arranged in a mounting hole inside the shell cover (2), a control button (7) is arranged at the front end of the shell cover (2), a wind pressure sensor (5) is arranged on the upper side inside the shell (1), the output end of the storage battery (3) is electrically connected with the input end of the single chip microcomputer (4) through the input end of the single chip microcomputer (4), the input end of the single chip microcomputer (4) is electrically connected with the output end of the display screen (6), the output end of the control button (7) is electrically connected with the input end of the single chip microcomputer (4), a connecting block (8) is arranged at the upper end of the shell (1), a ventilating hole (9) corresponding to the wind pressure sensor (5) is formed in the connecting block (8), a connecting pipe (10) is slidably connected inside the left ventilating hole (9), a connecting hose (22) is sleeved on the upper side of the outer arc surface of the connecting pipe (10), and a pitot tube (23) is inserted into the upper end of the connecting hose (22).

2. The wireless wind pressure detector according to claim 1, wherein: draw-in groove (11) have been seted up to the extrados downside of connecting pipe (10), and the holding tank has been seted up to the inside of connecting block (8), and the left wall of holding tank is provided with drum (12), and the inside sliding connection of drum (12) has traveller (13), and the right-hand member of traveller (13) is fixed to be provided with fixture block (14), fixture block (14) and draw-in groove (11) joint.

3. The wireless wind pressure detector according to claim 2, wherein: the outer arc surface of the cylinder (12) is sleeved with a first spring (15), the left end of the first spring (15) is fixedly connected with the left wall surface of the accommodating groove, and the right end of the first spring (15) is fixedly connected with the left end of the clamping block (14).

4. The wireless wind pressure detector according to claim 2, wherein the wireless wind pressure detector comprises: the round hole of connecting block (8) upper end sliding connection has and inserts post (16), the fixed briquetting (17) that is provided with of lower extreme of inserting post (16), indent (18) that correspond with briquetting (17) are seted up to the upper end of fixture block (14), briquetting (17) and indent (18) cooperation installation, the upper end of inserting post (16) is provided with clamp plate (20), the extrados downside cover of inserting post (16) is equipped with spring two (19), the upper end of spring two (19) and the roof fixed connection of holding tank, the lower extreme of spring two (19) and the upper end fixed connection of briquetting (17).

5. The wireless wind pressure detector according to claim 1, wherein: the sealing groove is formed in the connecting block (8), the sealing gasket (21) is adhered to the inside of the sealing groove through glue solution, and the inner wall surface of the sealing gasket (21) is in sliding connection with the outer arc surface of the connecting pipe (10).

6. The wireless wind pressure detector according to claim 1, wherein: the upper end of the shell (1) is provided with a hanging ring (24).

7. The wireless wind pressure detector according to claim 1, wherein: the left end and the right end of the shell (1) are both provided with rubber pads (25).