CN206114187U

CN206114187U - Buffer based on changer

Info

Publication number: CN206114187U
Application number: CN201621030928.5U
Authority: CN
Inventors: 陈军; 聂绍忠; 喻立川
Original assignee: Chongqing Silian Measurement & Control Technology Co Ltd
Current assignee: Chongqing Silian Measurement & Control Technology Co Ltd
Priority date: 2016-08-31
Filing date: 2016-08-31
Publication date: 2017-04-19
Anticipated expiration: 2026-08-31

Abstract

The utility model provides a buffer based on changer, include: coupling nut, cushion sub and teletransmission capillary subassembly, coupling nut's one end is embedded to have connecting catheters, the one end through connection of teletransmission capillary subassembly in inside the connecting catheters, the other end through connection of teletransmission capillary subassembly in inside the cushion sub. The buffer is through setting up cushion sub, and cushion sub one end connecting tube transmits medium iner pipeline to pressure sensor through teletransmission capillary subassembly, pulse stress when length buffer medium through tensile capillary subassembly introduces in the transmission course to in the time of can stopping the changer and measure in high speed pulse atmospheric pressure or hydraulic pressure environment, the easy impaired problem of sensor, this buffer structure is simple, easily installs at the scene, can promote to users at large and use.

Description

Buffer based on transmitter

Technical field

This utility model is related to instrument, instrument and industrial automation, more particularly to a kind of based on the slow of transmitter Rush device.

Background technology

PDS intelligent transducers are the pressure measuring instruments with microprocessor as core, by gathering pressure core (diffusion Silicon) differential voltage signal, export corresponding two lines 4-20mA current signals.The pressure of measured medium directly acts on sensor Diaphragm on (rustless steel or ceramics), diaphragm is produced and is spread the microbit that is directly proportional without cavity pressure sensor medium pressure of silicon Move, the resistance value for making sensor changes, and this change is detected with electronic circuit, and change output one corresponding to this The canonical measure signal of pressure.PDS intelligent transducers are widely used in oil, natural gas, chemical industry, metallurgy, aviation, automobile, medical treatment The industrial circles such as equipment, electric power, paper pulp, papermaking, town gas, iron and steel, machinery, shipbuilding.

However, existing PDS intelligent transducers with being related to, field is more and more extensive, during actual use, especially It is steel mill's pneumatic hammer air pressure, water-flooding pump for oil field pressure measxurement, although PDS intelligent transducers possess certain pressure overload protection function, But this pressure protecting function tool has certain limitations, when measuring in high-speed pulse air pressure or hydraulic environment, the easy quilt of sensor Impact failure cannot normal work, so as to cause PDS intelligent transducer failures.

Utility model content

The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of based on the slow of transmitter Rush device, for solving prior art in transmitter when measuring in high-speed pulse air pressure or hydraulic environment, sensor is easily damaged Bad problem.

For achieving the above object and other related purposes, this utility model provides a kind of buffer based on transmitter, bag Include：

Attaching nut, flexible coupling and teletransmission capillary module, one end of the attaching nut is embedded with connecting conduit, institute One end of teletransmission capillary module is stated through being connected to inside the connecting conduit, the other end of the teletransmission capillary module is passed through Wear and be connected to inside the flexible coupling.

Preferably, the shape of the flexible coupling is in T-shape cylinder.

Preferably, the shape of the connecting conduit is in T-shape cylinder.

Preferably, it is provided with the seal washer of connection procedure joint against connecting conduit end inside the attaching nut.

As described above, the buffer based on transmitter of the present utility model, has the advantages that：

Pipeline internal medium is passed through teletransmission by the buffer by arranging flexible coupling, flexible coupling one end connecting pipe Capillary module is transmitted to pressure transducer, is introduced in transmitting procedure by the length buffer medium of the capillary module for stretching When pulsating pressure, when measuring in high-speed pulse air pressure or hydraulic environment so as to prevent transmitter, sensor is easily damaged Bad problem, the buffer structure is simple, is easily installed at the scene, may extend to users and uses.

Description of the drawings

Fig. 1 is shown as a kind of buffer structure schematic diagram based on transmitter of this utility model offer；

Fig. 2 is shown as a kind of mounting structure schematic diagram of buffer based on transmitter of this utility model offer.

Component label instructions：

1 attaching nut

2 flexible couplings

3 teletransmission capillary modules

4 connecting conduits

5 transmitters

6 process adapters

7 seal washers

Specific embodiment

Hereinafter embodiment of the present utility model is illustrated by particular specific embodiment, those skilled in the art can be by this Content disclosed by description understands easily other advantages of the present utility model and effect.

Refer to Fig. 1 to Fig. 2.It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only to Coordinate the content disclosed in description, so that those skilled in the art understands and reads, be not limited to this utility model Enforceable qualificationss, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or size Adjustment, in the effect for not affecting this utility model can be generated and under the purpose to be reached, all should still fall in this utility model In the range of disclosed technology contents are obtained and can covered.Meanwhile, in this specification it is cited as " on ", D score, " left side ", The term on " right side ", " centre " and " one " etc., is merely convenient to understanding for narration, and it is enforceable to be not used to restriction this utility model Scope, being altered or modified for its relativeness is enforceable when this utility model is also considered as under without essence change technology contents Category.

Fig. 1 is referred to, for this utility model a kind of buffer structure schematic diagram based on transmitter is provided, including：

Attaching nut 1, flexible coupling 2 and teletransmission capillary module 3, one end of the attaching nut 1 is embedded with connection and leads Pipe 4, one end of the teletransmission capillary module 3 through being connected to inside the connecting conduit 4, the teletransmission capillary module 3 The other end through being connected to inside the flexible coupling 2.

Specifically, attaching nut 1 is connected with the jointing of transmitter 5, and transmitter 5 is built-in with pressure transducer, pressure Force transducer is input into medium of the transmission with pressure by jointing, wherein, buffer is teletransmission high-speed pulse in the application Pressure buffer, the shape of the flexible coupling 2 is in T-shape cylinder, and the shape of the connecting conduit 4 is in T-shape cylinder, and remote Pass the inside that the two ends of capillary module 3 connect respectively connecting conduit 4 and flexible coupling 2.

Attaching nut 1 is matched realization by the jointing of transmitter 5 by the screw thread of process adapter 6 with transmitter 5 Connection, in the bottom of the attaching nut 1 seal washer 7 of connection procedure joint 6, the sealing are provided with around capillary module Packing ring 7 causes transmitter 5 to be closely connected with buffer；

Fig. 2 is referred to, a kind of mounting structure schematic diagram of the buffer based on transmitter 5 provided for this utility model, In the present embodiment, the lower end connection procedure joint 6 of transmitter 5, is connected to attaching nut 1, by sealing gasket by process adapter 6 Circle 7 is mutually matched with the female thread of attaching nut 1 so that its attachment structure becomes tight, adjusts arrange teletransmission capillary as needed The length of tube assembly 3；And when transmitter 5 works, the teletransmission capillary module 3 (the longer capillary module of distance) that medium passes through Transmission medium, so as to directly reduce surge of the medium to sensor.

In sum, by arranging flexible coupling, flexible coupling one end connecting pipe will for buffer described in the utility model Pipeline internal medium is transmitted to pressure transducer by teletransmission capillary module, is situated between by the length buffering of the capillary module for stretching Pulsating pressure when matter is introduced in transmitting procedure, measures so as to prevent transmitter in high-speed pulse air pressure or hydraulic environment When, the easy impaired problem of sensor, the buffer structure is simple, is easily installed at the scene, and may extend to users makes With.So, this utility model effectively overcomes various shortcoming of the prior art and has high industrial utilization.

Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited Type.Any person skilled in the art all can be carried out under without prejudice to spirit and the scope of the present utility model to above-described embodiment Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in this utility model All equivalent modifications completed under god and technological thought or change, should be covered by claim of the present utility model.

Claims

1. a kind of buffer based on transmitter, it is characterised in that include：Attaching nut, flexible coupling and teletransmission capillary tube group Part, one end of the attaching nut is embedded with connecting conduit, and one end of the teletransmission capillary module is through being connected to the company Connect catheter interior, the other end of the teletransmission capillary module is through being connected to inside the flexible coupling.

2. the buffer based on transmitter according to claim 1, it is characterised in that the shape of the flexible coupling is in T-shape cylinder.

3. the buffer based on transmitter according to claim 1, it is characterised in that the shape of the connecting conduit is in T-shape cylinder.

4. the buffer based on transmitter according to claim 1, it is characterised in that abut inside the attaching nut Connecting conduit end is provided with the seal washer of connection procedure joint.