CN207123313U - A kind of diaphragm gas meter sensor for countering - Google Patents

Abstract

A kind of diaphragm gas meter sensor for countering, including gas meter counter character wheel, master board connecting wire, 1# tongue tubes, 1# circuit boards, 2# circuit boards and 2# tongue tubes, 1# tongue tubes be arranged on gas meter counter character wheel on the downside of 1# circuit boards on and with 1# circuit board electrical connections, 2# tongue tubes be arranged on 2# circuit boards on and with 2# circuit board electrical connections, the master board connecting wire for being connected with gas meter, flow meter master board is drawn from 1# circuit boards, it is separately provided for accommodating the groove of 1# tongue tubes and 2# tongue tubes on the 1# circuit boards and 2# circuit boards, the 1# tongue tubes and the pin of 2# tongue tubes being arranged in groove are realized with the corresponding bond pad locations set on 1# circuit boards and 2# circuit boards by way of welding electrically connect respectively.Its mounting structure by improving its tongue tube, can effectively prevent in process of production due to cut the process such as pin, transhipment, detection cause the rupture air inlet of tongue tube glass body and influence its service life or directly damage.

Description

A kind of diaphragm gas meter sensor for countering

Technical field

It the utility model is related to gas meter, flow meter field, and in particular to a kind of diaphragm gas meter sensor for countering.

Background technology

At present added with the main IC-card gas meter, flow meter of diaphragm gas meter of electronic control circuit, photo-electronic directly reading gas meter, flow meter and wireless The species such as remote transmitting gas meter and short message gas meter, flow meter.Most diaphragm gas meters added with electronic control circuit turn machine driving It is tongue tube to be changed to the sensor that electric signal uses.

Reference picture 2, Fig. 2 are that the diaphragm gas meter sensor for countering tongue tube mounting structure generally used on the market at present shows It is intended to.As shown in Fig. 2 diaphragm gas meter includes gas meter counter character wheel 1, connecting wire 2, mounting hole 3, master board connection Wire 4,1# tongue tubes 5,1# circuit boards 6,2# circuit boards 7 and 2# tongue tubes 8, wherein 1# tongue tubes and 2# tongue tubes are distributed respectively In the upper and lower both sides of gas meter counter character wheel 1, wherein 1# tongue tubes 5 are arranged under gas meter counter character wheel 1 by shaping On the 1# circuit boards 6 of side and wear weldering with 1# circuit boards 6 to electrically connect, 2# tongue tubes are U-shaped by being shaped to, and stretch out very long one section of pin Weldering electrical connection is worn on the 2# circuit boards 7 of the upside of gas meter counter character wheel 1 and with 2# circuit boards 7,2# circuit boards 7 are logical Cross connecting wire 2 to be connected with 1# circuit boards 6, the main control for being connected with gas meter, flow meter master board is drawn from 1# circuit boards 6 Plate connecting wire 4.One tongue tube is respectively installed in the upper and lower of gas meter counter character wheel, when occurring in which that a tongue tube goes out After existing failure, master board just can be diagnosed immediately and close valve, prevent intelligent gas meter is in from can not count but can be after The state of continuous gas, prevent few meter or disregard flow.

Because tongue tube is a kind of magnetic-sensitive elements of glass evacuated encapsulation, easily occur in processing and assembling process with Lower situation：

1. tongue tube host glass ruptures air inlet, cause metal pole piece in tongue tube main body that oxidation contact occurs not Good, so as to cause gas meter, flow meter data-collection signal inaccurate or can not change, gas meter, flow meter breaks down can not normal use.This kind Situation can not be found in a short time, be only possible to go wrong by some months or several years.

2. tongue tube directly damages, dynamoelectric signal conversion can not be carried out.

Either there is that situation, will all cause gas meter, flow meter to break down, so as to increase cost and after-sales service expense. In addition, in existing product, it is connected between two circuit boards being directly connected to two tongue tubes by wire, is unfavorable for circuit board Positioning, and largely also increase cost using wire.

Utility model content

For technical problem existing for prior art, the utility model provides a kind of diaphragm gas meter sensor for countering, should Kind of diaphragm gas table sensor by improving the mounting structure of its tongue tube, can effectively prevent in process of production due to shaping, The process such as pin, transhipment, detection are cut to cause the rupture air inlet of tongue tube glass body and influence its service life or straight Connect damage.

In order to solve the above technical problems, the utility model proposes technical scheme be：

A kind of diaphragm gas meter sensor for countering, including gas meter counter character wheel, master board connecting wire, the dry springs of 1# Pipe, 1# circuit boards, 2# circuit boards and 2# tongue tubes, 1# tongue tubes are arranged on the 1# circuit boards on the downside of gas meter counter character wheel And with 1# circuit boards be electrically connected, 2# tongue tubes be arranged on 2# circuit boards on and with 2# circuit board electrical connections, from 1# circuit boards The master board connecting wire for being connected with gas meter, flow meter master board is drawn, is set respectively on the 1# circuit boards and 2# circuit boards The groove for accommodating 1# tongue tubes and 2# tongue tubes is equipped with, the 1# tongue tubes and the pin of 2# tongue tubes being arranged in groove point Realize and electrically connect with the corresponding bond pad locations set on 1# circuit boards and 2# circuit boards not by way of welding.

Further, in the utility model, two dry springs of 1# being used for after convenient welding are provided with 1# circuit boards Pipe cuts the recess of pin, and the recess is opened in the both sides of the 1# circuit boards in the rectilinear direction of the groove for accommodating 1# tongue tubes Bian Shang.2# tongue tubes on 2# circuit boards can carry out cutting pin along 2# board edges after welding.Wherein, the recessed of tongue tube is accommodated Its length and width of groove and the length and width of tongue tube are adapted, and the gap of tongue tube all directions and groove is no more than 0.5mm, avoids the occurrence of Phenomena such as tongue tube shifts.

In the utility model, the groove for assigning 2# circuit boards is offered on 1# circuit boards, 2# circuit boards vertically insert in In the groove of 1# circuit boards, corresponding solder joint is provided with 2# circuit boards and 1# circuit boards, by the corresponding solder joint of two circuit boards Electrically welding is realized by scolding tin.Further, four mounting holes are offered on 1# circuit boards, pass through mounting hole using screw By on the installation of 1# circuit boards and gas meter, flow meter mechanical character wheel.

Compared with prior art, the utility model has the advantage of：

（1）Two tongue tubes of the present utility model are respectively placed in the groove on two pieces of circuit boards, can be effectively protected Tongue tube is not collided.And the length and width of groove match with tongue tube, installation site is fixed, phenomena such as avoiding the occurrence of displacement, so as to Dynamoelectric signal is caused to change inaccurate situation.

（2）The groove shapes size and the formation size of tongue tube that the utility model is set are adapted, and are welded in tongue tube Shi Wuxu carries out trimming, without tongue tube pin is passed through into circuit board process, improves processing efficiency, saves process time, And avoid damaging tongue tube in reforming process.

（3）Carry out cutting pin again after the completion of the welding of the utility model tongue tube, by solder joint damping, avoid shaking when cutting pin The glass evacuated encapsulation of dynamic and misoperation damage tongue tube directly damages.

（4）Two pieces of circuit boards of the utility model together, are connected again by welding manner vertical connection without using wire Connect, cost-effective, tongue tube and circuit board installation accurate positioning, simple processing, uniformity are good.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the diaphragm gas meter sensor for countering tongue tube mounting structure schematic diagram generally used on the market at present.

Indicated in figure：

1st, gas meter counter character wheel, 2, connecting wire, 3, mounting hole, 4, master board connecting wire, 5,1# tongue tubes, 6th, 1# circuit boards, 7,2# circuit boards, 8,2# tongue tubes, 9,1# grooves, 10,2# grooves, 11, recess, 12,3# grooves.

Embodiment

The utility model is further described below in conjunction with Figure of description and specific embodiment.

As shown in figure 1, a kind of diaphragm gas meter sensor for countering of the present embodiment offer, including gas meter counter character wheel 1, Master board connecting wire 4,1# tongue tubes 5,1# circuit boards 6,2# circuit boards 7 and 2# tongue tubes 8,1# tongue tubes 5 are arranged on combustion Electrically connected on the 1# circuit boards 5 of the downside of gas meter counter character wheel 1 and with 1# circuit boards 5,2# tongue tubes 8 are arranged on 2# circuit boards 7 Above and with 2# circuit boards 7 electrically connect, the master board connection for being connected with gas meter, flow meter master board is drawn from 1# circuit boards 6 Wire 4.The present embodiment thes improvement is that：The 1# grooves 9 for accommodating 1# tongue tubes 5 are provided with the 1# circuit boards 6； The 2# grooves 10 for accommodating 2# tongue tubes 8 are provided with 2# circuit boards 7.The 1# tongue tubes 5 and the dry springs of 2# being arranged in groove The pin of pipe 8 realizes electricity by way of welding with the corresponding bond pad locations set on 1# circuit boards 6 and 2# circuit boards 7 respectively Gas connects.Wherein, the length and width for accommodating its length and width of the groove of tongue tube and tongue tube are adapted, tongue tube all directions and groove Gap is no more than 0.5mm, avoids the occurrence of phenomena such as tongue tube shifts.

Two 1# tongue tubes 5 being used for after convenient welding are provided with 1# circuit boards 6 and cut the recess 11 of pin, it is described recessed Mouth 11 is opened in two sides of the 1# circuit boards 6 in the rectilinear direction of the 1# grooves 9 for accommodating 1# tongue tubes 5.Tongue tube In installation groove on circuit boards, to reach protection tongue tube, its glass body is protected the damage such as not collided.Dry spring Pipe need not carry out shaping, directly weld.After the completion of welding, 1# tongue tubes utilize two recesses 11 set on 1# circuit boards to enter Row cuts pin, and the crack damage of its glass body of tongue tube is caused when avoiding cutting pin.Directly along 2# electricity after the completion of the welding of 2# tongue tubes The edge of road plate is carried out cutting pin, and the damage of its glass body of tongue tube is caused when avoiding cutting pin.

In the utility model, the 3# grooves 12 for assigning 2# circuit boards 7 are offered on 1# circuit boards 6,2# circuit boards 7 hang down Straight cutting is provided with corresponding solder joint in the 3# grooves 12 on 1# circuit boards 6 on 2# circuit boards 7 and 1# circuit boards 6, by two circuits The corresponding solder joint of plate realizes electrically welding by scolding tin.Further, four mounting holes 3 are offered on 1# circuit boards 6, use spiral shell Adjusting screw by mounting hole 3 by 1# circuit boards 6 install with gas meter, flow meter mechanical character wheel 1.

The tongue tube mounting means of this kind of diaphragm gas meter sensor for countering is simple in construction, can effectively prevent in production process In cause the rupture air inlet of tongue tube glass body due to cutting the process such as pin, transhipment, detection and influence service life Or directly damage.

The utility model is processed and installation process is as follows：

1）Two tongue tubes are respectively placed in the groove of two pieces of circuit boards, using flatiron by the pin and pad of tongue tube Carry out scolding tin connection.

2）The recess board edge or directly along board edge that tongue tube is more opened up with diagonal cutting pliers along circuit board Remaining pin is cut.

3）2# circuit boards are inserted perpendicularly into the 3# grooves of 1# circuit boards, using flatiron by 1# circuit boards and 2# circuit boards Corresponding pad carries out scolding tin vertical connection.

4）The master board connecting wire 4 being connected with gas meter, flow meter master board is welded in 1# circuits by the way of weldering is worn On plate.

Although the utility model is disclosed above with preferred embodiment, but it is not limited to the utility model.It is any Those skilled in the art, in the case where not departing from technical solutions of the utility model scope, all using the disclosure above Technology contents technical solutions of the utility model are made with many possible changes and modifications, or be revised as the equivalent of equivalent variations Embodiment.Therefore, every content without departing from technical solutions of the utility model, according to the utility model technical spirit to real above Any simple modifications, equivalents, and modifications that example is done are applied, all should be fallen in the range of technical solutions of the utility model protection.

Claims (5)

1. a kind of diaphragm gas meter sensor for countering, including gas meter counter character wheel, master board connecting wire, the dry springs of 1# Pipe, 1# circuit boards, 2# circuit boards and 2# tongue tubes, 1# tongue tubes are arranged on the 1# circuit boards on the downside of gas meter counter character wheel And with 1# circuit board electrical connections, 2# tongue tubes be arranged on 2# circuit boards on and with 2# circuit board electrical connections, draw from 1# circuit boards Go out the master board connecting wire for being connected with gas meter, flow meter master board, it is characterised in that：The 1# circuit boards and 2# circuits It is separately provided for accommodating the groove of 1# tongue tubes and 2# tongue tubes, the 1# tongue tubes being arranged in groove and the dry springs of 2# on plate The pin of pipe is realized with the corresponding bond pad locations set on 1# circuit boards and 2# circuit boards by way of welding be electrically connected respectively Connect.

2. diaphragm gas meter sensor for countering according to claim 1, it is characterised in that be provided with two on 1# circuit boards The individual 1# tongue tubes being used for after conveniently welding cut the recess of pin, and the recess is opened in the groove for accommodating 1# tongue tubes On two sides of the 1# circuit boards in rectilinear direction.

3. diaphragm gas meter sensor for countering according to claim 1, it is characterised in that accommodate tongue tube groove its length The wide length and width with tongue tube are adapted, and the gap of tongue tube all directions and groove is no more than 0.5mm.

4. according to the diaphragm gas meter sensor for countering described in claim 1,2 or 3, it is characterised in that opened up on 1# circuit boards There is the groove for assigning 2# circuit boards, 2# circuit boards are vertically inserted in the groove of 1# circuit boards, 2# circuit boards and 1# circuits Corresponding solder joint is provided with plate, the corresponding solder joint of two circuit boards is realized into electrically welding by scolding tin.

5. diaphragm gas meter sensor for countering according to claim 4, it is characterised in that four are offered on 1# circuit boards Mounting hole, using screw by mounting hole by the installation of 1# circuit boards and gas meter, flow meter mechanical character wheel.