CN210243068U

CN210243068U - Pressure transmitter capable of automatically releasing pressure during pressure overload leakage

Info

Publication number: CN210243068U
Application number: CN201921331569.0U
Authority: CN
Inventors: Yixiu Wang; 王义秀; Wenmin Dong; 董文敏
Original assignee: Individual
Current assignee: Beijing Ruihuihua Technology Development Co ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-04-03
Anticipated expiration: 2029-08-16

Abstract

The utility model discloses a pressure transmitter that can be from pressure release when pressure overload reveals, including pressure transmitter, pressure transmitter's top left side is passed through the cable and is linked together with external computer, the outer wall below rigid coupling of second standpipe has the screw thread piece, the internally mounted of box has pressure release mechanism, alarm mechanism is all installed to pressure release mechanism's left side top. This pressure transmitter that can be from pressure release when pressure overload reveals, through the second standpipe, pressure transmitter, the inlet tube, the box, a piston, the fixture block, first spring, cooperation between second spring and the drain pipe, the problem of current pressure transmitter can't realize from the pressure release has been solved, through the drain pipe, the second standpipe, the cooperation between valve switch and the water conservancy alarm bell, make the drain pipe when carrying out the pressure release use, can trigger the water conservancy alarm bell and send out the police dispatch newspaper, the problem that prior art can only accomplish remote alarm and can not remind the operator nearby to carry out the maintenance is solved.

Description

Pressure transmitter capable of automatically releasing pressure during pressure overload leakage

Technical Field

The utility model relates to a pressure transmitter technical field specifically is a pressure transmitter that can be from the pressure release when pressure overload reveals.

Background

The pressure transmitter in general meaning mainly comprises a load cell sensor, a measuring circuit and a process connecting piece, and can convert physical pressure parameters of gas, liquid and the like sensed by the load cell sensor into standard electric signals to be supplied to secondary instruments such as an indication alarm instrument, a recorder, a regulator and the like for measurement, indication and process regulation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pressure transmitter that can be from the pressure release when pressure overload reveals to the problem that the current pressure transmitter of existence that proposes can't realize from the pressure release in solving above-mentioned background art still exists simultaneously and can only accomplish remote alarm and can not remind the operator nearby to carry out the problem of maintaining.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pressure transmitter that can be from pressure release when pressure overload reveals, includes pressure transmitter, pressure transmitter's top left side is passed through the cable and is linked together with external computer, pressure transmitter's lower extreme rigid coupling has the second standpipe, the outer wall below rigid coupling of second standpipe has the screw thread piece, both ends are all fixed continuous with the box through the cushion about pressure transmitter's the below, the internally mounted of box has pressure relief mechanism, alarm mechanism is all installed to pressure relief mechanism's left side top.

Preferably, pressure transmitter includes cable interface, shell, glass board and numerical display screen, the internal pressure sensor of shell links to each other with the cable interface electrical property, the cable interface passes through the cable and communicates with external computer, the front end internally mounted of shell has the numerical display screen, the internal pressure sensor electrical property of numerical display screen and shell links to each other, the front end of numerical display screen is equipped with the glass board, the glass board links to each other with the shell is fixed, the inside rigid coupling of lower extreme of shell has the second standpipe, the inside top that the test section of the internal pressure sensor of shell is located the second standpipe.

Preferably, the pressure relief mechanism comprises a first vertical groove, a second vertical groove, a first spring, a piston, a fixture block, a water discharge pipe, a water inlet pipe, a chute, a thick rod and a second spring, the piston is positioned in the box body and is attached to the box body, the second vertical groove and the first vertical groove are respectively processed in the outer side of the piston and in the center of the piston, the first spring is arranged above the inner part of the piston, the upper side and the lower side of the first spring are respectively fixedly connected with the box body and the piston, the chute is processed on the outer side above the inner part of the box body, the fixture block is arranged on the inner side above the chute, the thick rod is fixedly connected to the inner side of the fixture block, the fixture block is tightly attached to the box body, the second spring is arranged on the outer side of the thick rod, the inner side and the outer side of the second spring are respectively fixedly connected with the box body and the fixture block, the water inlet pipe, the inside and outside both sides of inlet tube are linked together with second standpipe and box respectively, the inside and outside both sides of drain pipe are linked together with box and external collection department respectively.

Preferably, the left and right water inlet pipes and the water outlet pipe are symmetrically distributed on a reference axis by using the vertical center of the shell.

Preferably, the second vertical grooves are distributed in a centrosymmetric manner by taking the center of the center section of the piston as a reference.

Preferably, the alarm mechanism comprises a first vertical pipe, a hydraulic alarm bell and a valve switch, the left vertical pipe and the right vertical pipe are installed on the outer side of the upper end of the drain pipe and communicated with the drain pipe, the hydraulic alarm bell is fixedly connected to the upper end of the first vertical pipe, and the valve switch is installed on the outer wall of the first vertical pipe.

Compared with the prior art, the beneficial effects of the utility model are that: this pressure overload can be from pressure transmitter of pressure release when revealing, through the second standpipe, pressure transmitter, the inlet tube, the box, a piston, the fixture block, first spring, cooperation between second spring and the drain pipe, make pressure transmitter can pass through inlet tube and drain pipe completion pressure release when using the pressure that appears too big and handle, the problem of current pressure transmitter can't realize from the pressure release has been solved, through the drain pipe, the second standpipe, cooperation between valve switch and the water conservancy alarm bell, make the drain pipe when carrying out the pressure release use, can trigger the water conservancy alarm bell and send out the police dispatch newspaper, the problem that prior art can only accomplish remote alarm and can not remind operator nearby to maintain has been solved.

Drawings

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

FIG. 2 is a schematic view of the case, the piston and the first spring of FIG. 1;

FIG. 3 is a schematic view of the piston, the housing and the first vertical slot of FIG. 1;

FIG. 4 is a schematic view of the structure of FIG. 1 at the location of the threaded block, the inlet pipe and the second standpipe.

In the figure: 1. pressure transmitter, 101, cable interface, 102, shell, 103, glass board, 104, numerical display screen, 2, pressure relief mechanism, 201, first perpendicular groove, 202, second perpendicular groove, 203, first spring, 204, piston, 205, fixture block, 206, drain pipe, 207, inlet tube, 208, chute, 209, thick pole, 210, second spring, 3, alarm mechanism, 301, first standpipe, 302, water conservancy alarm bell, 303, valve switch, 4, cushion, 5, cable, 6, box, 7, screw block, 8, second standpipe.

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. 1-4, the present invention provides a technical solution: the utility model provides a pressure transmitter that can be from pressure release when pressure overload reveals, including pressure transmitter 1, cable 5 and external computer intercommunication are passed through in pressure transmitter 1's top left side, pressure transmitter 1's model is SYL800 type, pressure transmitter 1 accessible cable 5 and external computer realization signal transmission, pressure transmitter 1's lower extreme rigid coupling has second standpipe 8, second standpipe 8's outer wall below rigid coupling has thread piece 7, pressure transmitter 1 and 8 classes of second standpipe realize the intercommunication with the external water pipe that awaits measuring through thread piece 7, both ends are all fixed continuous with box 6 through cushion 4 about pressure transmitter 1's the below, 1 accessible cushion 4 classes of pressure transmitter support box 6, the internally mounted of box 6 has pressure release mechanism 2, alarm mechanism 3 is all installed to pressure release mechanism 2's left side top.

The pressure transmitter 1 comprises a cable interface 101, a shell 102, a glass plate 103 and a numerical display screen 104, wherein an internal pressure sensor of the shell 102 is electrically connected with the cable interface 101, the cable interface 101 is communicated with an external computer through a cable 5, the cable 5 is installed on the cable interface 101, so that signals of the internal pressure sensor of the pressure transmitter 1 can be continuously transmitted to the computer, the numerical display screen 104 is installed inside the front end of the shell 102, the numerical display screen 104 is electrically connected with the internal pressure sensor of the shell 102, the reading of the numerical display screen 104 expresses the liquid pressure of a measured water pipe at the moment, the glass plate 103 is arranged at the front end of the numerical display screen 104, the glass plate 103 is fixedly connected with the shell 102, the shell 102 supports the glass plate 103, the glass plate 103 protects the numerical display screen 104, and a second vertical pipe 8 is fixedly connected inside the lower end of the shell 102, the housing 102 supports the secondary standpipe 8 and the pressure sensor inside the housing 102 has a test portion that is positioned above the interior of the secondary standpipe 8 such that the pressure sensor inside the housing 102 has a test portion that is capable of measuring the pressure of the liquid inside the secondary standpipe 8.

The pressure relief mechanism 2 comprises a first vertical groove 201, a second vertical groove 202, a first spring 203, a piston 204, a fixture block 205, a drain pipe 206, a water inlet pipe 207, a chute 208, a thick rod 209 and a second spring 210, wherein the piston 204 is positioned in the box body 6, the piston 204 is attached to the box body 6, the piston 204 can move in the box body 6 and ensures relative sealing in the moving process, the second vertical groove 202 and the first vertical groove 201 are respectively processed in the outer side inner part and the center inner part of the piston 204, the second vertical groove 202 and the first vertical groove 201 are used for realizing liquid circulation on the upper side and the lower side of the piston 204, the first spring 203 is arranged above the inner part of the piston 204, the elastic coefficient K of the first spring 203 is 500N/m, the upper side and the lower side of the first spring 203 are respectively fixedly connected with the box body 6 and the piston 204, the piston 204 can extrude the first spring 203 by moving upwards, the chute 208 is processed on the outer side above the inner part, the inclined groove 208 is used for realizing the communication between the upper part inside the box body 6 and the upper end groove, the inner side above the inclined groove 208 is provided with a fixture block 205, the inner side of the fixture block 205 is fixedly connected with a thick rod 209, the thick rod 209 limits the moving angle of the fixture block 205, the fixture block 205 is tightly attached to the box body 6 to realize the sealing of the position of the fixture block 205, the outer side of the thick rod 209 is provided with a second spring 210, the elastic coefficient K of the second spring 210 is 300N/m, the inner side and the outer side of the second spring 210 are respectively fixedly connected with the box body 6 and the fixture block 205, the second spring 210 provides the force for the tight attachment state of the fixture block 205 and the box body 6, the lower end of the inner side and the lower end of the outer side of the box body 6 are respectively provided with a water inlet pipe 207 and a water outlet pipe 206, the inner side and the outer, the inside and outside both sides of drain pipe 206 are linked together with box 6 and external collection department respectively, and the inside water of box 6 accessible drain pipe 206 flows to external collection department and collects, controls inlet tube 207 and drain pipe 206 and all uses the vertical center of shell 102 to be benchmark axisymmetric distribution, makes about inlet tube 207 and drain pipe 206's pressure unanimous, and a plurality of second are erected groove 202 and are central symmetric distribution with piston 204 central section centre of a circle as the benchmark, guarantees that the liquid circulation of piston 204 upper and lower surface is smooth and easy.

Alarm mechanism 3 includes first standpipe 301, water conservancy alarm bell 302 and valve switch 303, control first standpipe 301 and install in the upper end outside of drain pipe 206, and first standpipe 301 is linked together with drain pipe 206, the inside liquid of drain pipe 206 can circulate to the inside of first standpipe 301, the upper end rigid coupling of first standpipe 301 has water conservancy alarm bell 302, water conservancy alarm bell 302 can send out the police dispatch newspaper when having the hydrologic cycle, the outer wall of first standpipe 301 is installed valve switch 303, the inside liquid circulation state of the steerable first standpipe 301 of valve switch 303.

When the pressure transmitter capable of automatically relieving pressure during pressure overload leakage is needed to be used, firstly, a user can hold the pressure transmitter 1 by hand to complete installation of a water pipe to be tested with the outside through the thread block 7 on the outer wall of the second vertical pipe 8, then the second vertical pipe 8 can be in a communication state with the water pipe to be tested with the outside, after the water pipe to be tested begins to be used, water with pressure can be in contact with a testing part of an internal pressure sensor of the pressure transmitter 1 through the second vertical pipe 8, the water can be transmitted to an external computer through the cable 5 for data collection after being detected by the pressure sensor, and is displayed at the position of the numerical display screen 104, meanwhile, the water can flow into the box body 6 through the water inlet pipe 207, so that the water level flows to the chute 208, at the moment, if the water pressure is insufficient, the fixture block 205 is jacked open, if the water pressure is larger, the fixture block 205 can, make rivers flow to external collection department from drain pipe 206 through the inside first vertical slot 201 of piston 204, if rivers pressure is too big, rivers pressure can upwards promote piston 204 below the center of piston 204, make the lower extreme of piston 204 break away from with box 6 and carry out a large amount of discharge pressure release, simultaneously when the inside of drain pipe 206 has water to discharge, rivers can get into the inside of first water pipe 301 and circulate to water conservancy alarm bell 302 department, make water conservancy alarm bell 302 send out the warning, remind the operator in close proximity to handle, the warning that water conservancy alarm bell 302 can stop water conservancy alarm bell 302 can be screwed up valve switch 303 when the operator can handle.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a can be from pressure transmitter of pressure release when pressure overload reveals, includes pressure transmitter (1), its characterized in that: cable (5) and external computer communicate are passed through to the top left side of pressure transmitter (1), the lower extreme rigid coupling of pressure transmitter (1) has second standpipe (8), the outer wall below rigid coupling of second standpipe (8) has screw thread piece (7), both ends all link to each other with box (6) are fixed through cushion (4) about the below of pressure transmitter (1), the internally mounted of box (6) has pressure release mechanism (2), alarm mechanism (3) are all installed to the left side top of pressure release mechanism (2).

2. The pressure transmitter capable of self-venting in the event of an overload pressure leak according to claim 1, wherein: pressure transmitter (1) includes cable interface (101), shell (102), glass board (103) and numerical display screen (104), the internal pressure sensor of shell (102) links to each other with cable interface (101) electrical property, cable interface (101) communicate with external computer through cable (5), the front end internally mounted of shell (102) has numerical display screen (104), numerical display screen (104) links to each other with the internal pressure sensor electrical property of shell (102), the front end of numerical display screen (104) is equipped with glass board (103), glass board (103) are fixed continuous with shell (102), the inside rigid coupling of the lower extreme of shell (102) has second standpipe (8), shell (102) internal pressure sensor's test section is located the inside top of second standpipe (8).

3. The pressure transmitter capable of self-venting in the event of an overload pressure leak according to claim 1, wherein: the pressure relief mechanism (2) comprises a first vertical groove (201), a second vertical groove (202), a first spring (203), a piston (204), a clamping block (205), a drain pipe (206), a water inlet pipe (207), a chute (208), a thick rod (209) and a second spring (210), the piston (204) is positioned in the box body (6), the piston (204) is attached to the box body (6), the second vertical groove (202) and the first vertical groove (201) are respectively machined in the inner part and the middle part of the outer side of the piston (204), the first spring (203) is arranged above the inner part of the piston (204), the upper side and the lower side of the first spring (203) are respectively fixedly connected with the box body (6) and the piston (204), the chute (208) is machined on the outer side above the inner part of the box body (6), the clamping block (205) is arranged on the inner side above the chute (208), and the thick rod (209) is arranged on the inner side of the clamping block (205), and fixture block (205) and box (6) are closely laminated, the outside of thick pole (209) is equipped with second spring (210), the inside and outside both sides of second spring (210) are fixed continuous with box (6) and fixture block (205) respectively, inlet tube (207) and drain pipe (206) have been processed respectively to the inboard below and the outside lower extreme of box (6), the inside and outside both sides of inlet tube (207) are linked together with second standpipe (8) and box (6) respectively, the inside and outside both sides of drain pipe (206) are linked together with box (6) and external collection department respectively.

4. The pressure transmitter of claim 3, wherein the pressure transmitter is capable of self-venting in case of an overload pressure leak, and comprises: the left water inlet pipe (207) and the right water outlet pipe (206) are symmetrically distributed on a reference axis by the vertical center of the shell (102).

5. The pressure transmitter of claim 3, wherein the pressure transmitter is capable of self-venting in case of an overload pressure leak, and comprises: the second vertical grooves (202) are distributed in a centrosymmetric mode by taking the center of the center section of the piston (204) as a reference.

6. The pressure transmitter capable of self-venting in the event of an overload pressure leak according to claim 1, wherein: alarm mechanism (3) are including first standpipe (301), water conservancy alarm bell (302) and valve switch (303), control first standpipe (301) are installed in the upper end outside of drain pipe (206), and first standpipe (301) are linked together with drain pipe (206), the upper end rigid coupling of first standpipe (301) has water conservancy alarm bell (302), valve switch (303) are installed to the outer wall of first standpipe (301).