阅读说明：本技术 一种发射电极结构 (Transmitting electrode structure ) 是由 杨海 贺飞 郭庆明 孙七零 李晓 程刚 范晓文 王伟 于 2021-01-04 设计创作，主要内容包括：本发明公开了一种发射电极结构,包括电流发射电极、两个导电套、接线铆钉及导线；电流发射电极的一端为电极正极,另一端为电极负极；其中一个导电套与电极正极连接,另一个导电套与电极负极连接；导电套上设置有铆接孔,接线铆钉固定设置在铆接孔中,导线与接线铆钉固定连接；本发明将导电套与电流发射电极的电极正极或电极负极固定连接,通过在导电套上设置铆接孔,将接线铆钉固定在铆接孔中,并将导线与接线铆钉固定连接；利用导电套与接线铆钉,将导线与电流发射电极连接,有效增大了导线与电流发电电极的接触面积,减少了导线与电极之间的接触电阻,避免了电极局部灼烧。(The invention discloses an emitter electrode structure, which comprises a current emitter electrode, two conductive sleeves, a wiring rivet and a lead, wherein the current emitter electrode is arranged on the current emitter electrode; one end of the current emission electrode is an electrode anode, and the other end of the current emission electrode is an electrode cathode; one of the conductive sleeves is connected with the anode of the electrode, and the other conductive sleeve is connected with the cathode of the electrode; the conductive sleeve is provided with a riveting hole, the wiring rivet is fixedly arranged in the riveting hole, and the lead is fixedly connected with the wiring rivet; the conductive sleeve is fixedly connected with the electrode anode or the electrode cathode of the current emission electrode, the wiring rivet is fixed in the riveting hole by arranging the riveting hole on the conductive sleeve, and the lead is fixedly connected with the wiring rivet; the conducting sleeve and the wiring rivet are utilized to connect the conducting wire with the current transmitting electrode, so that the contact area between the conducting wire and the current generating electrode is effectively increased, the contact resistance between the conducting wire and the electrode is reduced, and the local burning of the electrode is avoided.)

1. A transmitting electrode structure is characterized by comprising a current transmitting electrode (1), two conductive sleeves (2), a wiring rivet (3) and a lead (4); one end of the current emission electrode (1) is an electrode anode, and the other end is an electrode cathode; one of the conductive sleeves (2) is connected with the anode of the electrode, and the other conductive sleeve (2) is connected with the cathode of the electrode; the conductive sleeve (2) is provided with a riveting hole, the wiring rivet (3) is fixedly arranged in the riveting hole, and the lead (4) is fixedly connected with the wiring rivet (3).

2. A radiation electrode structure according to claim 1, characterized in that the wire (4) is fixed to the terminal rivet (3) by welding.

3. A radiation electrode structure according to claim 1, characterized in that a conductive spring (5) is arranged between the conductive sleeve (2) and the electrode positive pole or the electrode negative pole; one end of the conductive spring (5) is electrically connected with the end part of the conductive sleeve (2), and the other end is electrically connected with the anode or the cathode of the electrode.

4. A radiation electrode structure according to claim 3, characterized in that the conductive spring (5) is a wave spring.

5. A transmitting electrode structure as claimed in claim 1, characterized in that the conductive sleeve (2) is screwed to the positive or negative electrode of the current transmitting electrode (1).

6. The emitter electrode structure according to claim 1, further comprising two connecting shafts (6), an insulating sleeve (11), an upper joint (12) and a lower joint (13); the two connecting shafts (6) are respectively arranged at two ends of the current emission electrode (1), one end of each connecting shaft (6) is connected with the positive end or the negative end of the current emission electrode (1), the other end of each connecting shaft (6) is connected with the upper joint (12) or the lower joint (13), and an insulating sleeve (11) is arranged between each connecting shaft (6) and the upper joint (12) or the lower joint (13); the lead (4) sequentially penetrates through the connecting shaft (6), the insulating sleeve (11) and the upper joint (12) or the lower joint (13) and then is led out.

7. The emitter electrode structure according to claim 6, wherein the connection shaft (6) is fixedly connected to the current emitter electrode (1) by means of fixing pins (7), and the fixing pins (7) are uniformly arranged along the circumference of the end of the connection shaft (6).

8. An emitter electrode structure according to claim 7, characterized in that it further comprises a baffle ring (8), the baffle ring (8) being arranged outside the fixing pin (7), the end of the baffle ring (8) being sealingly connected to the current emitter electrode (1).

9. An emitter electrode structure according to claim 6, further comprising a sealing liner (9); the sealing bush (9) is arranged between the insulating sleeve (11) and the current emitter electrode (1).

10. An emitter electrode structure according to claim 6, characterized in that a sealing thread (10) is further provided; the sealing threaded sleeve (10) is arranged between the upper joint (12) or the lower joint (13) and the insulating sleeve (11), the outer side of the sealing threaded sleeve (10) is connected with the inner wall of the upper joint (12) or the lower joint (13), and the inner side of the sealing threaded sleeve (10) is tightly attached to the outer side of the insulating sleeve (11).

Technical Field

The invention belongs to the technical field of petroleum and metal mineral deposit detection engineering, and particularly relates to an emitting electrode structure.

Background

The current emission structure of common metal exploration and petroleum logging instruments mainly comprises an electrode, a bolt or a sealing plug, wherein a lead is led out; although the existing lead wire mode has a simple structure, the phenomenon that the contact resistance is overlarge and local burning is generated for large current exists.

Disclosure of Invention

The invention provides an emitter electrode structure aiming at solving the technical problems that in the existing current emitter structure, a lead-out wire has overlarge contact resistance and is easy to generate local burning.

In order to achieve the purpose, the invention adopts the technical scheme that:

the invention provides an emitter electrode structure, which comprises a current emitter electrode, two conductive sleeves, a wiring rivet and a lead, wherein the current emitter electrode is arranged on the current emitter electrode; one end of the current emission electrode is an electrode anode, and the other end of the current emission electrode is an electrode cathode; one of the conductive sleeves is connected with the anode of the electrode, and the other conductive sleeve is connected with the cathode of the electrode; the conductive sleeve is provided with a riveting hole, the wiring rivet is fixedly arranged in the riveting hole, and the lead is fixedly connected with the wiring rivet.

Furthermore, the lead and the wiring rivet are fixed by welding.

Further, a conductive spring is arranged between the conductive sleeve and the electrode anode or the electrode cathode; one end of the conductive spring is electrically connected with the end part of the conductive sleeve, and the other end of the conductive spring is electrically connected with the anode or the cathode of the electrode.

Further, the conductive spring is a wave spring.

Furthermore, the conductive sleeve is in threaded connection with the electrode anode or the electrode cathode of the current emission electrode.

Furthermore, the device also comprises two connecting shafts, an insulating sleeve, an upper joint and a lower joint; the two connecting shafts are respectively arranged at two ends of the current emission electrode, one end of each connecting shaft is connected with the positive electrode end or the negative electrode end of the current emission electrode, the other end of each connecting shaft is connected with the upper joint or the lower joint, and an insulating sleeve is arranged between each connecting shaft and the upper joint or the lower joint; the lead sequentially penetrates through the connecting shaft, the insulating sleeve and the upper joint or the lower joint and then is led out.

Furthermore, the connecting shaft is fixedly connected with the current emission electrode through fixing pins which are uniformly distributed along the circumferential direction of the end part of the connecting shaft.

Furthermore, the current emitter further comprises a baffle ring, wherein the baffle ring is arranged on the outer side of the fixing pin, and the end part of the baffle ring is hermetically connected with the current emitter electrode.

Further, the sealing device also comprises a sealing bushing; the sealing bush is disposed between the insulating bush and the current-emitting electrode.

Furthermore, a sealing threaded sleeve is also arranged; the sealing threaded sleeve is arranged between the upper joint or the lower joint and the insulating sleeve, the outer side of the sealing threaded sleeve is connected with the inner wall of the upper joint or the lower joint, and the inner side of the sealing threaded sleeve is tightly attached to the outer side of the insulating sleeve.

Compared with the prior art, the invention has the beneficial effects that:

the invention provides a transmitting electrode structure, wherein a conductive sleeve is fixedly connected with an electrode anode or an electrode cathode of a current transmitting electrode, a connecting rivet is fixed in a riveting hole by arranging the riveting hole on the conductive sleeve, and a lead is fixedly connected with the connecting rivet; the conducting sleeve and the wiring rivet are utilized to connect the conducting wire with the current transmitting electrode, so that the contact area between the conducting wire and the current generating electrode is effectively increased, the contact resistance between the conducting wire and the electrode is reduced, and the local burning of the electrode is avoided.

Furthermore, the lead and the connecting rivet are fixed by welding, so that the connection is reliable, and the contact resistance between the lead and the contact rivet is effectively reduced.

Furthermore, the conductive spring is arranged between the conductive sleeve and the current emission electrode, so that poor contact between the conductive sleeve and the current emission electrode is avoided when the conductive sleeve and the current emission electrode displace, and good contact between the conductive sleeve and the current emission electrode is ensured.

Furthermore, the conductive sleeve is connected with the electrode anode or the electrode cathode of the current emission electrode through threads, so that the connection effect is good, and the conductive sleeve is convenient to detach and replace.

In summary, according to the emitter electrode structure of the present invention, the connection rivet is fixed on the conductive sleeve, and the conductive sleeve is connected to the current emitter electrode through a thread; meanwhile, the wave spring is arranged between the conductive sleeve and the current emission electrode, so that the contact area between the lead and the current emission electrode is effectively increased, the contact resistance is reduced, and the firing phenomenon of large current on the emission electrode is avoided; the invention has simple structure, strong practicability and easy disassembly and maintenance, and can be suitable for underground high-temperature and high-pressure environments.

Drawings

FIG. 1 is a cross-sectional view of an emitter electrode structure according to the present invention;

FIG. 2 is a sectional view of a connection structure of a conductive sleeve and a terminal rivet in the structure of the emitter electrode according to the present invention;

fig. 3 is a schematic plan view of a connection structure of a conductive sleeve and a connection rivet in the emitter electrode structure according to the present invention.

The current-emitting device comprises a current-emitting electrode 1, a conductive sleeve 2, a wiring rivet 3, a lead 4, a conductive spring 5, a connecting shaft 6, a fixing pin 7, a retaining ring 8, a sealing bush 9, a sealing threaded sleeve 10, an insulating sleeve 11, an upper joint 12 and a lower joint 13.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects of the present invention more apparent, the following embodiments further describe the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-3, the present invention provides an emitter electrode structure, which comprises a current emitter electrode 1, two conductive sleeves 2, a connecting rivet 3, a conducting wire 4, a conductive spring 5, a connecting shaft 6, a fixing pin 7, a baffle ring 8, a sealing bush 9, a sealing thread sleeve 10, an insulating sleeve 11, an upper joint 12 and a lower joint 13.

One end of the current emission electrode 1 is an electrode anode, and the other end is an electrode cathode; one of the conductive sleeves 2 is connected with the anode of the electrode, and the other conductive sleeve 2 is connected with the cathode of the electrode; preferably, the conductive sleeve 2 is in threaded connection with the electrode anode or the electrode cathode of the current emission electrode 1; the conductive sleeve 2 is provided with a plurality of riveting holes, the wiring rivet 3 is fixedly arranged in the riveting holes, and the lead 4 is fixedly connected with the wiring rivet 3; preferably, the lead 4 and the connecting rivet 3 are fixed by welding.

The conductive spring 5 is arranged between the conductive sleeve 2 and the electrode anode or the electrode cathode, one end of the conductive spring 5 is electrically connected with the end part of the conductive sleeve 2, and the other end is electrically connected with the electrode anode or the electrode cathode; preferably, the conductive spring 5 is a wave spring.

Two connecting shafts 6 are respectively arranged at two ends of the current emission electrode 1, wherein one connecting shaft 6 is connected with the positive end of the current emission electrode 1, and the other connecting shaft 6 is connected with the negative end of the current emission electrode 1; one end of the first connecting shaft is connected with the positive end of the current emission electrode 1, and the other end of the first connecting shaft is connected with the upper joint 12; one end of the second connecting shaft is connected with the negative end of the current emission electrode 1, and the other end of the second connecting shaft is connected with the lower joint 13; an insulating sleeve 11 is arranged between the connecting shaft 6 and the upper joint 12 or the lower joint 13, and the lead 4 sequentially penetrates through the connecting shaft 6, the insulating sleeve 11 and the upper joint 12 or the lower joint 13 and then is led out; the connecting shaft 6 is fixedly connected with the current emission electrode 1 by adopting a fixing pin 7, and the fixing pins 7 are uniformly distributed along the circumferential direction of the end part of the connecting shaft 6; the baffle ring 8 is arranged on the outer side of the fixing pin 7, and the end part of the baffle ring 8 is hermetically connected with the current emission electrode 1; the sealing bush 9 is arranged between the insulating bush 11 and the current-emitting electrode 1; the sealing threaded sleeve 10 is arranged between the upper joint 12 or the lower joint 13 and the insulating sleeve 11, the outer side of the sealing threaded sleeve 10 is connected with the inner wall of the upper joint 12 or the lower joint 13, and the inner side of the sealing threaded sleeve 10 is tightly attached to the outer side of the insulating sleeve 11.

Assembly process

When the transmitting electrode structure is assembled, firstly, the lead is welded and fixed on the connecting rivet, then the connecting rivet with the lead is fixed on the conductive sleeve, and the lead, the connecting rivet and the conductive sleeve are combined to form a firm assembly; secondly, the assembly and the conductive spring are arranged on the current emitting electrode; and finally, installing and fixing a connecting shaft, a baffle ring, a sealing bushing, a sealing threaded sleeve, an insulating sleeve, an upper joint and a lower joint to obtain the emitter electrode structure.

According to the transmitting electrode structure, the conductive sleeve is fixedly connected with the electrode anode or the electrode cathode of the current transmitting electrode, the connecting rivet is fixed in the riveting hole by arranging the riveting hole on the conductive sleeve, and the lead is fixedly connected with the connecting rivet; the conducting sleeve and the wiring rivet are utilized to connect the conducting wire with the current transmitting electrode, so that the contact area between the conducting wire and the current generating electrode is effectively increased, the contact resistance between the conducting wire and the electrode is reduced, and the local burning of the electrode is avoided.

Examples

The embodiment provides an emitter electrode structure, including electric current emitter electrode, first conductive sleeve, the conductive sleeve of second, wiring rivet, wire, wave spring, first connecting axle, second connecting axle, fixed pin, fender ring, sealing bush, sealed swivel nut, insulating cover, top connection and lower clutch.

One end of the current emission electrode is an electrode anode, the other end of the current emission electrode is an electrode cathode, the first conductive sleeve is connected with the electrode anode, and the second conductive sleeve is connected with the electrode cathode; the first conductive sleeve is in threaded connection with the anode of the electrode, and the second conductive sleeve is in threaded connection with the cathode of the electrode; a wave spring is arranged between the first conductive sleeve and the anode of the electrode, and a wave spring is arranged between the second conductive sleeve and the cathode of the electrode; two ends of the wave spring are respectively and electrically connected with the conductive sleeve and the current emission electrode; the first conductive sleeve and the second conductive sleeve are both provided with a plurality of riveting holes, the wiring rivet is fixedly arranged in the riveting holes, and the lead is fixedly welded with the wiring rivet.

The first connecting shaft is arranged at the positive end of the current emission electrode, and the second connecting shaft is arranged at the negative end of the current emission electrode; the other end of the first connecting shaft is connected with the upper joint; one end of the second connecting shaft is connected with the negative end of the current emission electrode, and the other end of the second connecting shaft is connected with the lower joint; an insulating sleeve is arranged between the connecting shaft and the upper joint or the lower joint, and a lead sequentially penetrates through the connecting shaft, the insulating sleeve and the upper joint or the lower joint and then is led out; the first connecting shaft or the second connecting shaft is fixedly connected with the current emission electrode by adopting fixing pins, and the fixing pins are uniformly distributed along the circumferential direction of the end part of the first connecting shaft or the second connecting shaft; the baffle ring is arranged on the outer side of the fixing pin, and the end part of the baffle ring is hermetically connected with the current emission electrode; the sealing bush is arranged between the insulating bush and the current emission electrode; the sealing threaded sleeve is arranged between the upper joint or the lower joint and the insulating sleeve, the outer side of the sealing threaded sleeve is connected with the inner wall of the upper joint or the lower joint, and the inner side of the sealing threaded sleeve is tightly attached to the outer side of the insulating sleeve.

The transmitting electrode structure described in the embodiment is already applied to the 'induced polarization' sub-project of the deep mineral exploration well system project; the structure is also easy to disassemble and is suitable for underground high-temperature and high-pressure environments.

The above-described embodiment is only one of the embodiments that can implement the technical solution of the present invention, and the scope of the present invention is not limited by the embodiment, but includes any variations, substitutions and other embodiments that can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed.