CN206789484U

CN206789484U - A kind of SF6 density monitors

Info

Publication number: CN206789484U
Application number: CN201621395440.2U
Authority: CN
Inventors: 王金胜
Original assignee: Shanghai Shangpeng Electric Co Ltd
Current assignee: Shanghai Shangpeng Electric Co Ltd
Priority date: 2016-12-19
Filing date: 2016-12-19
Publication date: 2017-12-22
Anticipated expiration: 2026-12-19

Abstract

The utility model discloses a kind of SF₆Density monitor, including body, in addition to valve, the valve prosopyle of the valve are connected by tracheae with body, and the valve deutostoma of the valve by tracheae and is equipped with SF₆The gas tank connection of gas, the valve prosopyle are connected with valve deutostoma.The relay can either measure SF₆Density, and can is enough to be carried out tonifying Qi to gas tank in the case where not dismantling and measures micro- water.

Description

A kind of SF6Density monitor

Technical field

The utility model belongs to SF₆Density measure field, more particularly to a kind of SF₆Density monitor.

Background technology

At present, SF₆Density monitor mainly by following two modes and is contained with SF₆The gas tank connection of gas：

Mode one, SF₆Density monitor is directly connected on gas tank by tracheae, such connected mode, is normally put into After operation, have no idea to calibrate relay and measured, also can not be directly to the SF inside gas tank₆Gas carry out tonifying Qi and Micro- water is measured, tonifying Qi is realized and measure the operation of micro- water, it is necessary to which relay is pulled down from gas tank can just be carried out.

Mode two, by installing a valve seat additional in the tracheae of relay and the junction of gas tank, the valve seat has a handle, The gas between gas tank and relay can be turned off, if relay is calibrated and measured, it is only necessary to Shuttoff Valve, lead to Cross calibration and measurement of another mouthful of can realization of valve seat to relay.In the case where valve handle is opened, pass through Another mouth of valve seat, it can also realize to the SF inside gas tank₆Gas carries out tonifying Qi and measures micro- water function.But at present Valve seat quality it is big, install and use inconvenience, and because the cantilever of relay is long, stress concentration can be caused to connector, Fracture and gas leakage situation occurs.The valve seat can have more a connector simultaneously, thus more air leakage points, to whole production The safety belt of product carrys out hidden danger.

Utility model content

Main purpose of the present utility model is to provide a kind of SF₆Density monitor, to solve the above problems, can To SF₆While manoscopy, the calibration to relay on the one hand can be realized, on the other hand can be realized to gas tank Tonifying Qi and micro- water gaging.

To achieve the above objectives, the technical solution adopted in the utility model is：A kind of SF₆Density monitor, including body, Characterized in that, also including valve, the valve prosopyle of the valve is connected by tracheae with body, the valve deutostoma of the valve by tracheae with Equipped with SF₆The gas tank connection of gas, the valve prosopyle are connected with valve deutostoma.

Preferably, the valve body includes the valve body that both sides are respectively arranged with valve prosopyle and valve deutostoma, and the valve body top is set Inspection mouth is equipped with, the valve prosopyle and verification mouth selectively communicate with valve deutostoma.

Preferably, the upper cross-drilled hole on the upside of communicating valve prosopyle, the lower cross-drilled hole on the downside of communicating valve deutostoma are provided with the valve body And the upper cross-drilled hole of connection, lower cross-drilled hole and the vertical core for examining mouth.

Preferably, verify it is intraoral dismountable valve inside is installed, be provided with the bottom of valve body and optionally insert Enter the valve rod into vertical core.

Preferably, sealing ring has been disposed radially it on the periphery of the valve rod.

Preferably, lever moving up and down is provided with the bottom of valve body, the lower end of the lever and valve rod is consolidated Fixed connection.

Preferably, the lever is threadedly attached in the bottom of valve body.

Compared with prior art, the utility model has the advantages that：

1) valve is provided with the tracheae of the density monitor, it is can be achieved in the case where that need not remove to relay The calibration of device, the tonifying Qi to gas in gas tank and micro- water gaging, it is very easy to use, improve production efficiency；

2) valve is arranged on tracheae on middle position, rather than the opening position that tracheae is connected with gas tank, can reduce Stress, reduce fracture and the occurrence of gas leakage.

Brief description of the drawings

Fig. 1 is the axle surveys view according to a preferred embodiment of the present utility model；

Fig. 2 is the cut-away view according to the valve of a preferred embodiment of the present utility model.

Embodiment

Describe to be used to disclose the utility model so that those skilled in the art can realize the utility model below.Retouch below Preferred embodiment in stating is only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.

SF as illustrated in fig. 1 and 2₆Density monitor, including body 1, one end and body 1 connect tracheae 4, by tracheae 4 The other end connector 3 being connected on gas tank and the valve 2 being arranged on tracheae 4.Detection gas density is set in body 1 Module and the module for showing related data, these can use prior art, will not be described in detail herein.

The valve 2 includes valve body 25, the valve prosopyle 21 for being arranged on the both sides of valve body 25 and valve deutostoma 22 and is arranged on valve body The verification mouth 23 of 25 upper ends.The valve prosopyle 21 and valve deutostoma 22 are welded by argon arc welding with tracheae 4 realize connection respectively, and The axis of the valve prosopyle 21 and valve deutostoma 22 is point-blank.

Upper cross-drilled hole 27, one end connection valve deutostoma 22 with the upside of one end connection valve prosopyle 21 are provided with the valve body 25 The lower cross-drilled hole 29 and connection verification mouth 23 of downside, the vertical core 28 of upper cross-drilled hole 27 and lower cross-drilled hole 29, are provided with verification mouth 23 Valve inside 210, the valve inside 210 can seal verification mouth 23.Further, the valve inside 210 is with examining mouth 23 to use Threaded connection, and then facilitate valve inside 210 to be fixed to and examine in mouth 23 or taken out from examining in mouth 23.

Valve rod 26 moving up and down, center line and the vertical core 28 of the valve rod 26 are provided with the bottom of valve body 25 Center line on the same line, can be selectively inserted into vertical core 28 by the upper end for moving up and down the valve rod 26 And vertical core 28 is connected or disconnected with lower cross-drilled hole 29, and then can be set according to different needs.

The lever 24 being threadedly coupled with valve body 25, the middle part of the lever 24 and valve are provided with the bottom of valve body 25 The lower end of bar 26 is fixedly connected, and can be moved up and down by rotation process handle 24 with ovable valve stem 26.

Further, sealing ring 261 has been radially arranged on the excircle of valve rod 26 to prevent gas from valve body 25 and valve Leaked between body 26.

The operation principle of the density monitor is as follows：

When being calibrated to relay, valve inside 210 is taken out, rotation process handle 24 makes the upper end of valve rod 26 be inserted into vertical core In 28, now valve prosopyle 21 is connected with verification mouth 23 and both of which does not connect with valve deutostoma 22, and calibrated meter is connected into inspection Can is realized and the Density Detection in body 1 is calibrated on mouth 23；

When carrying out tonifying Qi to gas tank and measuring micro- water, valve inside 210 is taken out, rotation process handle 24 takes off the upper end of valve rod 26 From vertical core 28, now valve prosopyle 21, verification mouth 23 and valve deutostoma 22 are connected, and ambient atmos are connected into inspection by pipeline 23 cans of mouth realize tonifying Qi, or micro- water gaging instrument is connected into verification mouth 23 can and realizes the micro- water of measurement；

In relay work, valve inside 210 is placed in vertical core 28, and valve rod 26 departs from vertical core 28, valve prosopyle 21 Connected with valve deutostoma 22, the gas in gas tank enters in body 1 and then realizes the measurement of gas density.

The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification Simply principle of the present utility model, the utility model also has respectively on the premise of the spirit and scope of the utility model is not departed from Kind changes and improvements, these changes and improvements are both fallen within claimed the scope of the utility model.The requires of the utility model Protection domain defined by appended claims and its equivalent.

Claims

A kind of 1. SF₆Density monitor, including body, it is characterised in that also including valve, the valve prosopyle of the valve by tracheae with Body connects, and the valve deutostoma of the valve by tracheae and is equipped with SF₆The gas tank connection of gas, the valve prosopyle are connected with valve deutostoma It is logical.
A kind of 2. SF according to claim 1₆Density monitor, it is characterised in that the valve is respectively arranged with including both sides The valve body of valve prosopyle and valve deutostoma, the valve body top are provided with inspection mouth, the valve prosopyle and verification mouth and selected with valve deutostoma Connect to property.
A kind of 3. SF according to claim 2₆Density monitor, it is characterised in that before being provided with communicating valve on the valve body The lower cross-drilled hole and upper cross-drilled hole of connection on the downside of upper cross-drilled hole, communicating valve deutostoma, the lower cross-drilled hole and vertical core for examining mouth on the upside of mouthful.
A kind of 4. SF according to Claims 2 or 3₆Density monitor, it is characterised in that verify it is intraoral be provided with it is removable The valve inside unloaded, the valve rod being selectively inserted into vertical core is provided with the bottom of valve body.
A kind of 5. SF according to claim 4₆Density monitor, it is characterised in that radially set on the periphery of the valve rod It is equipped with sealing ring.
A kind of 6. SF according to Claims 2 or 3₆Density monitor, it is characterised in that being provided with the bottom of valve body can The lever moved up and down, the lever are fixedly connected with the lower end of valve rod.
A kind of 7. SF according to claim 6₆Density monitor, it is characterised in that the lever is threadedly attached in The bottom of valve body.