CN207625074U - A kind of discharge tube electrode structure that can prevent rosin joint - Google Patents

Abstract

The utility model discloses a kind of discharge tube electrode structure that can prevent rosin joint, including electrode body and the emitter being assemblied in the electrode body, the electrode body includes the pillar of tablet seat and integrally connected the tablet seat, one welding groove of the concave up formation in bottom of the tablet seat, the center of the welding groove is convexly equipped with a welding bench, which stretches out outside tablet seat.The design of this welding groove and welding bench, makes lead be positioned, and the tubular form of terminal with centre bore may be used in lead, and automation may be used in welding process, and can solve phenomena such as former welding causes rosin joint, not prison welding, lead deviation.

Description

A kind of discharge tube electrode structure that can prevent rosin joint

Technical field

The utility model is related to electronic component field technologies, refer in particular to a kind of electric discharge pipe electrode that can prevent rosin joint Structure.

Background technology

Gas-discharge tube is a kind of switching mode protection device, is used usually as overvoltage protecting device.Generally make at present Gas-discharge tube is formed by insulation tube body and its both ends sealing electrode, inner cavity filling with inert gas.When gas-discharge tube electricity When the voltage at pole both ends is more than the breakdown voltage of gas, gap discharge will be caused, the gas-discharge tube is rapidly by high-impedance state Become low resistance state, conducting is formed, to protect other devices connected in parallel.

Common gas-discharge tube can be found in a kind of gas discharge with trigger electrode disclosed in 201410668678.7 Pipe, the gas-discharge tube include at least two electrodes and are tightly connected the insulation tube body to form electric discharge inner cavity with the electrode. The electrode of this patent is flat laminated structure, and a conducting wire is welded at the back side.However conducting wire welding is difficult to position in the plane, tin after welding The problems such as easily shifting before solidification, and being easy to happen rosin joint, not prison welding.

Utility model content

In view of this, the utility model is in view of the existing deficiencies of the prior art, main purpose is to provide one kind can be to prevent The only discharge tube electrode structure of rosin joint can solve phenomena such as former welding causes rosin joint, not prison welding, lead deviation.

To achieve the above object, the utility model is using following technical solution：

A kind of discharge tube electrode structure that can prevent rosin joint, including electrode body and the hair that is assemblied in the electrode body Beam, the electrode body include the pillar of tablet seat and integrally connected the tablet seat, the concave up formation in bottom of the tablet seat The center of one welding groove, the welding groove is convexly equipped with a welding bench, which stretches out outside tablet seat.

As a preferred embodiment, it is equipped on the outside of the upper surface of the tablet seat convenient for the fine hopper of upper fine material.

As a preferred embodiment, the periphery of the tablet seat and pillar connecting position is equipped with positioning step.

As a preferred embodiment, it is recessed with storage tank at the top of the pillar, which is assemblied in storage tank.

As a preferred embodiment, the top surface of the emitter is equipped with the latticed blind hole for accommodating electronic powder.

As a preferred embodiment, the blind hole of the emitter is externally provided with anti-overflow slot, the anti-overflow geosynclinal concave be set to emitter with Between pillar.

The utility model has clear advantage and advantageous effect compared with prior art, specifically, by above-mentioned technology Scheme is it is found that it is mainly the emitter for devising electrode body and being assemblied in the electrode body, wherein the bottom of electrode body Portion is equipped with welding groove, and the center of welding groove is convexly equipped with a welding bench, and the design of this welding groove and welding bench makes lead be determined The tubular form of terminal with centre bore may be used in position, lead, and automation may be used in welding process, and can solve original Phenomena such as welding causes rosin joint, not prison welding, lead deviation.

More clearly to illustrate the structure feature and effect of the utility model, come below in conjunction with the accompanying drawings with specific embodiment pair The utility model is described in detail.

Description of the drawings

Fig. 1 is the vertical view of the embodiment of the utility model.

Fig. 2 is the sectional view of the embodiment of the utility model.

Description of drawing identification：

10, electrode body 11, tablet seat

12, pillar 13, welding groove

14, welding bench 15, fine hopper

16, positioning step 17, storage tank

20, emitter 21, blind hole

22, anti-overflow slot.

Specific implementation mode

It please refers to shown in Fig. 1 and Fig. 2, that show the concrete structures of the preferred embodiment of the utility model, are a kind of It can prevent the discharge tube electrode structure of rosin joint, including electrode body 10 and the emitter 20 that is assemblied in the electrode body 10.

Wherein, the electrode body 10 is to be made of metal material, conductive, e.g. by making caesium chemical combination Object is dissolved in the refractory metals such as impregnation sintering tantalum, niobium in the solution of water or ethyl alcohol and the sintered body that generates is protected come what is produced The electronic radioactive material using cesium compounds such as cesium carbonate, cesium sulfate, cesium oxide, niobic acid caesiums is held..Its structure includes tablet The pillar 12 of seat 11 and integrally connected the tablet seat 11, the outer diameter of the pillar 12 are less than the outer diameter of tablet seat 11.The tablet seat 11 One welding groove 13 of the concave up formation in bottom, the center of the welding groove 13 is convexly equipped with a welding bench 14, which stretches out Outside tablet seat 11, such design can solve phenomena such as former welding causes rosin joint, not prison welding, lead deviation.

It is equipped on the outside of the upper surface of the tablet seat 11 convenient for the fine hopper 15 of upper fine material, the fine material to melt can be deposited In fine hopper 15, it is not easy the outside that sheds, improves the stability and finished product air-tightness of welding.The tablet seat 11 and 12 phase of pillar The periphery for connecing position is equipped with positioning step 16, and under the action of step positioning, appearance is beautified after product encapsulation, can make magnetic tube and gold Gap uniformity between category, to effectively improve product telecommunications parameters.

The top of the pillar 12 is recessed with storage tank 17, which is assemblied in storage tank 17.The emitter 20 form such as the refractory metal by tungsten, molybdenum, tantalum, niobium.The front end face of the emitter 20 stretches out outside storage tank 17, wherein emitting The area of the front end face of body 20 accounts for 50~70% or so of the area of the front end face of pillar 12.In electric discharge, with putting for pillar 12 The amount of the ion of the unit area collision in electric face will not be concentrated, and can mitigate the amount of these ions, therefore, will not be in magnetic tube Middle generation crack, can realize the long lifetime of discharge tube.In addition, electrode body 10 keeps cesium compound.The production sputtered as a result, Life further tails off, and minimum luminous voltage, light quantity are also stablized.Also, it also can more effectively inhibit the fusing of electrode body 10. Further more, emitter 20 is connected with electrode body 10, then by magnetic tube sealing when heat can be transmitted to emitter 20, thus emitter 20 are activated, and can reduce ignition voltage.

The top surface of the emitter 20 is equipped with the latticed blind hole 21 for accommodating electronic powder.The emitter 20 it is blind Hole 21 is externally provided with anti-overflow slot 22, and the anti-overflow slot 22 is recessed between emitter 20 and pillar 12.Operating personnel coat to electrode When electronic powder, since the partition of coating groove acts on, operating personnel will not easily coat electronic powder to outside, even if being coated onto accidentally On the outside of the top surface of emitter 20, the electronic powder of spilling can also be contained in anti-overflow slot 22, no longer need to reworked processing, save people Work.

In conclusion the design focal point of the utility model is, mainly devises electrode body 10 and be assemblied in this Emitter 20 in electrode body 10, wherein the bottom of electrode body 10 is equipped with welding groove 13, and the center of welding groove 13 is convexly equipped with One welding bench 14, such design can solve phenomena such as former welding causes rosin joint, not prison welding, lead deviation.

The above descriptions are merely preferred embodiments of the present invention, not makees to the technical scope of the utility model Any restrictions, therefore any trickle amendment made by the above technical examples according to the technical essence of the present invention, equivalent change Change and modify, is still within the scope of the technical solutions of the present invention.

Claims (6)

1. a kind of discharge tube electrode structure that can prevent rosin joint, it is characterised in that：Including electrode body（10）Be assemblied in this Emitter in electrode body（20）, the electrode body includes tablet seat（11）With the pillar of the integrally connected tablet seat （12）, one welding groove of the concave up formation in bottom of the tablet seat（13）, the center of the welding groove is convexly equipped with a welding bench（14）, The welding bench stretches out outside tablet seat.

2. a kind of discharge tube electrode structure that can prevent rosin joint according to claim 1, it is characterised in that：The tablet Seat（11）Upper surface on the outside of be equipped with convenient for the fine hopper of upper fine material（15）.

3. a kind of discharge tube electrode structure that can prevent rosin joint according to claim 1, it is characterised in that：The tablet Seat（11）With pillar（12）The periphery of connecting position is equipped with positioning step（16）.

4. a kind of discharge tube electrode structure that can prevent rosin joint according to claim 1, it is characterised in that：The pillar （12）Top be recessed with storage tank（17）, the emitter（20）It is assemblied in storage tank（17）In.

5. a kind of discharge tube electrode structure that can prevent rosin joint according to claim 1, it is characterised in that：The transmitting Body（20）Top surface be equipped with latticed blind hole for accommodating electronic powder（21）.

6. a kind of discharge tube electrode structure that can prevent rosin joint according to claim 5, it is characterised in that：The transmitting Body（20）Blind hole（21）It is externally provided with anti-overflow slot（22）, the anti-overflow slot（22）It is recessed in emitter（20）With pillar（12）Between.