CN202991011U - Polar plate assembly for logging instrument - Google Patents
Polar plate assembly for logging instrument Download PDFInfo
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- CN202991011U CN202991011U CN 201220516428 CN201220516428U CN202991011U CN 202991011 U CN202991011 U CN 202991011U CN 201220516428 CN201220516428 CN 201220516428 CN 201220516428 U CN201220516428 U CN 201220516428U CN 202991011 U CN202991011 U CN 202991011U
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- pole plate
- plate assembly
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Abstract
The utility model relates to a polar plate assembly for a logging instrument. The polar plate assembly comprises a polar plate base body (1) and at least one rear cover (2). The polar plate base body (1) comprises at least one internal cavity and at least one opening. The internal cavity is used for accommodating a data acquisition processing circuit (5). The opening is arranged on the lower surface of the polar plate base body and is communicated with the internal cavity in a limiting mode. The rear cover (2) is arranged in the opening of the polar plate base body (1) through sealing screws (3). The polar plate base body (1) further comprises at least one support column (15) which extends downwards from the top. The rear cover (2) comprises at least one support column (19) which is matched with the support column (15) of the polar plate base body (1).
Description
Technical field
The utility model relates to the pole plate assembly for logger, relates more specifically to sealing, pressure-bearing, insulation and the shielding construction of this pole plate assembly.
Background technology
The micro-resistivity imaging well logging is mainly used in crack identification and evaluation, the high-resolution Thin-bed Evaluation, and the sedimentation environmental analysis, ground is inner structure and structure interpretation layer by layer, and rock core location and description.Use the well logging of Microresistivity Imaging Tool device can obtain real visual high-quality borehole wall geologic image.
Microresistivity device is measured the well surface resistivity with fine dimension, the measurement result of this resistivity is changed into pixel intensity value, to obtain borehole wall image.The such logging instrument of initial exploitation is in order to be used for conduction drilling fluid (such as water-base mud).Yet, because the impedance variations in the oil-base mud of encirclement logging instrument, so the resistive drilling fluid such as oil-base mud can hinder this type of measurement.
Oil-base mud and artificial synthetic drilling mud can greatly reduce the drilling well risk by strengthening hole stability, improve greatly drilling efficiency simultaneously.But under such environment, the advantage of micro-resistivity imaging technology has not existed, and conventional Microresistivity Imaging Tool can not well be worked in non-conductive like this mud.As a rule, the shortage of microresistivity well image is representing the loss to the important information of develop reservoir.Therefore, developing can be very urgent for the Microresistivity Imaging Tool device of oil-base mud.
Pole plate is as the sensor of micro-resistivity imaging logging instrument, scans, the work such as data processing.The quality of pole plate directly affects logging quality.The pole plate assembly is support and the hermetic unit of pole plate.Due to pole plate assembly built-in electronic circuit, so the sealing of pole plate assembly, pressure-bearing, insulation and shielding become the key of pole plate utility model.
The utility model content
The purpose of this utility model is to be oil well logging instrument, especially oil-base mud resistivity imaging instrument, provide a kind of can 180 ℃, under the working environment of 140MPa, the pressure bearing and seal internal cavity does not leak, inner lead can not produce the pole plate modular construction that disturbs to circuit.
In order to satisfy above-mentioned requirements, the utility model provides a kind of pole plate assembly for logger, and this pole plate assembly comprises:
Polar plate matrix, described Polar plate matrix comprise be used at least one internal cavity that holds data acquisition processing circuit and limit at least one opening of sensible described at least one internal cavity at soffit; And
At least one bonnet, described at least one bonnet are arranged on by sealing screw in described at least one opening of described Polar plate matrix,
Wherein, described Polar plate matrix comprises at least one support column from the top to downward-extension, and described at least one bonnet comprises at least one support column that coordinates with at least one support column of described Polar plate matrix.
According to preferred embodiment of the present utility model, described pole plate assembly also comprises wiring cover, and described wiring cover is arranged on the soffit of Polar plate matrix front end by screw.
According to preferred embodiment of the present utility model, described at least one support column of described at least one support column of described Polar plate matrix and described at least one bonnet all has the strip cross section, and described data acquisition processing circuit is provided with the strip hole.
According to preferred embodiment of the present utility model, two of the quantity of internal cavity, two internal cavities communicate with each other by a plurality of cable tray and a plurality of trough.
According to preferred embodiment of the present utility model, isolation mutually between described a plurality of cable tray, and isolation mutually between a plurality of trough, when described at least one bonnet was arranged on Polar plate matrix, described a plurality of troughs consisted of enclosed construction.
According to preferred embodiment of the present utility model, the Polar plate matrix front end has a plurality of the first closed holes, and two ends and the centre at Polar plate matrix top have the second closed hole and the 3rd closed hole, and the second closed hole is symmetrical with respect to the 3rd closed hole.
According to preferred embodiment of the present utility model, described a plurality of first closed holes of Polar plate matrix front end are equipped with a plurality of single core pressure bearing and seal plugs and a multicore pressure bearing and seal plug.
According to preferred embodiment of the present utility model, second closed hole at Polar plate matrix top is equipped with the emission electrode sealing-plug, and the 3rd closed hole at Polar plate matrix top is equipped with collecting electrode sealing-plug (36).
According to preferred embodiment of the present utility model, the Polar plate matrix internal cavity is provided with the square groove of laying data acquisition processing circuit, and square groove two ends are provided with step in order to support data acquisition processing circuit.
According to preferred embodiment of the present utility model, described at least one bonnet is provided with the screwed hole that holds sealing screw, and the dimensions of screwed hole is more bigger than sealing screw, and described at least one bonnet will be by screwing in screwed hole with the screw of screwed hole same size specification and eject from Polar plate matrix.
According to preferred embodiment of the present utility model, sealing screw uses end face seal, and the head of sealing screw is provided with seal groove near a side of screw thread.
According to preferred embodiment of the present utility model, described at least one bonnet surrounding is provided be used to the seal groove that holds sealing ring.
According to preferred embodiment of the present utility model, the upper surface of described Polar plate matrix is provided with recess, and described pole plate assembly also comprises:
Insulating slab, the two ends of described insulating slab are provided with a pair of groove;
Laterally be embedded in the interior a pair of emission electrode plate of groove of described insulating slab; With
The electricity button, described electricity button is embedded in the middle part of described insulating slab;
This arranges with respect to described electricity button symmetrically to the emission electrode plate.
According to preferred embodiment of the present utility model, described pole plate electrode system also comprises a plurality of volute springs and a plurality of emission electrode sealing-plug, described volute spring is arranged in the hole at insulating slab two ends, between emission electrode plate and emission electrode sealing-plug, and contact with emission electrode plate and emission electrode sealing-plug; Described emission electrode sealing-plug is arranged in the closed hole at Polar plate matrix two ends; Described emission electrode plate, volute spring and emission electrode sealing-plug consist of emission electrode.
According to preferred embodiment of the present utility model, described pole plate electrode system also comprises a plurality of collecting electrode sealing-plugs, and described collecting electrode sealing-plug is arranged in the closed hole at Polar plate matrix middle part, and insulating slab, electricity button and collecting electrode sealing-plug consist of collecting electrode and be.
According to preferred embodiment of the present utility model, insulating slab is curved thin plate, and its width equates with Polar plate matrix, and described insulating slab adopts the PEEK resin material to make, and insulating slab covers Polar plate matrix and removes surface beyond front end and afterbody.
According to preferred embodiment of the present utility model, the insulating slab thickness between emission electrode plate and Polar plate matrix surpasses 5mm.
According to preferred embodiment of the present utility model, the emission electrode plate is the metal sheet roof covering of arc.
According to preferred embodiment of the present utility model, electricity is detained the bottom circular groove, arranges consistent with the collecting electrode sealing-plug.
The beneficial effects of the utility model are: Polar plate matrix internal cavity and bonnet all have the support column arrangement of strip, and this structure can improve the bearing strength of bonnet, can also be as the shielding construction of data acquisition processing circuit in the chamber.Described Polar plate matrix has two pressure-bearing internal cavities, communicates between internal cavity, and this design can make in described pole plate assembly more data acquisition processing circuit is housed, and coordinates bonnet and sealing ring positiver sealing.Be provided with trough around the Polar plate matrix internal cavity, after bonnet is assembled on Polar plate matrix, described trough is isolated into independent cable tray by bonnet and Polar plate matrix, can not produce data acquisition processing circuit by the holding wire in cable tray and power line and disturb.A plurality of single core pressure bearing and seal plugs and multicore pressure bearing and seal plug are housed in Polar plate matrix forward end seal hole, mutually separate and pass through the sealing ring positiver sealing between sealing-plug, this design makes power supply separate with signal code, can not produce interference.
Description of drawings
By the detailed description below in conjunction with accompanying drawing, it is clearer that these and other objects and advantages of the present utility model will become, in the accompanying drawings:
Fig. 1 is the rear isometric view according to the pole plate assembly of an embodiment of the present utility model.
Fig. 2 is the isometric front view according to the pole plate assembly of an embodiment of the present utility model.
Fig. 3 is that wherein, insulating slab is removed according to the side sectional view of the pole plate assembly of an embodiment of the present utility model, so that Polar plate matrix to be shown better.
Fig. 4 is the forward sectional view according to the Polar plate matrix of the pole plate assembly of an embodiment of the present utility model.
Fig. 5 is the horizontal cross according to the Polar plate matrix of the pole plate assembly of an embodiment of the present utility model.
Fig. 6 is the stereogram according to the bonnet of the pole plate assembly of an embodiment of the present utility model.
Fig. 7 is the side sectional view according to the pole plate assembly of an embodiment of the present utility model.
Fig. 8 is the horizontal cross according to the pole plate assembly of an embodiment of the present utility model.
Fig. 9 is the forward sectional view according to the pole plate assembly of an embodiment of the present utility model.
Figure 10 is the stereogram according to the pole plate assembly of an embodiment of the present utility model.
Figure 11 is the side sectional view according to the pole plate assembly of an embodiment of the present utility model.
The specific embodiment
The utility model is described in further detail by exemplary mode below in conjunction with the drawings and specific embodiments.
Fig. 1 and Fig. 2 have described the structure of the pole plate assembly of oil-base mud instrument by stereogram, comprise Polar plate matrix 1, a plurality of bonnet 2, sealing screw 3, wiring cover 4, data acquisition processing circuit 5, single core pressure bearing and seal plug 6 and multicore pressure bearing and seal plug 7.Comprise two bonnets 2 although the pole plate assembly has been shown in Fig. 1 and 2, should be understood that, the pole plate assembly can comprise the bonnet 2 of other quantity, such as but not limited to 3,4 etc., and does not depart from scope of the present utility model.
Described Polar plate matrix 1 comprises be used at least one internal cavity that holds data acquisition processing circuit 5 and limits at least one opening of sensible described at least one internal cavity at soffit.Bonnet 2 is arranged in described at least one opening of described Polar plate matrix 1 by sealing screw 3.
As shown in Figure 1, described Polar plate matrix 1 comprises at least one support column 15 from the top to downward-extension.As shown in Figure 2, described bonnet 2 comprises at least one support column 19 that coordinates with at least one support column 15 of described Polar plate matrix 1.Although being shown, each internal cavity of Polar plate matrix 1 comprises that 5 support columns 15 and each bonnet 2 comprise 5 support columns 19 in Fig. 1 and 2, but should be understood that, the pole plate assembly can comprise support column 15 and the support column 19 of other quantity, such as but not limited to 3,4 etc., and do not depart from scope of the present utility model.
As illustrated in fig. 1 and 2, described at least one support column 19 of described at least one support column 15 of described Polar plate matrix 1 and described at least one bonnet 2 all has the strip cross section.Correspondingly, described data acquisition processing circuit 5 is provided with the strip hole, is used for described at least one support column 15 of described Polar plate matrix 1 or described at least one support column 19 of described at least one bonnet 2 are therefrom passed.Should be understood that, other shape can be adopted in described at least one support column 1 of described at least one support column 15 of described Polar plate matrix 1, described at least one bonnet 2 and the hole of data acquisition processing circuit 5, and does not depart from scope of the present utility model.
As shown in Figure 3, Polar plate matrix 1 front end has multidiameter 8, and there are two mutually perpendicular pin-and-holes 9 rear end, and these two parts part that is connected makes the pole plate assembly be connected with other parts of oil-base mud instrument.
The two ends at Polar plate matrix 1 top and centre have closed hole 10 and closed hole 11, and the closed hole 10 at two ends is with respect to intermediate seal hole 11 symmetries.
As shown in Figure 4, the 11 one-tenth fan-shaped distributions of a plurality of closed holes in the middle of Polar plate matrix 1, closed hole 11 axis overlap with Polar plate matrix 1 cambered surface normal, and these closed holes are used for installing corresponding sealing-plug.
As shown in Figure 5, Polar plate matrix 1 front end laterally has side by side in a plurality of the first closed hole 12, the first closed holes 12 a plurality of single core pressure bearing and seal plugs 6 and a multicore pressure bearing and seal plug 7 is housed.Should be understood that, the quantity of single core pressure bearing and seal plug 6 and multicore pressure bearing and seal plug 7 can be other quantity, and does not depart from scope of the present utility model.Single core pressure bearing and seal plug 6 and multicore pressure bearing and seal plug 7 are threaded connection and are fixed on Polar plate matrix 1.Single core pressure bearing and seal plug 6 and multicore pressure bearing and seal plug 7 are high temperature resistant pressure part, use the PEEK resin material to make, and have good insulating properties and heat-resisting quantity.
As shown in Figure 5, Polar plate matrix 1 internal cavity is provided with the square groove 13 of laying data acquisition processing circuit 5, square groove 13 two ends are provided with semicircular step 14 in order to support data acquisition processing circuit 5, and step has replaced the double-screw bolt of common use, has effectively utilized the space.Square groove 13 middle parts have the support column 15 of strip.Support column 15 has improved the bearing strength of Polar plate matrix 1 and bonnet 2, and provides shielding construction for the element on data acquisition processing circuit in the chamber 5.
Also be provided with trough 16 on Polar plate matrix 1, be used for laying the wire of drawing from closed hole 11.
As shown in Figure 6, bonnet 2 is arranged on Polar plate matrix 1, and fixing by sealing screw 3.Bonnet 2 is provided with seal groove 17, and the fitted seal circle can guarantee the positiver sealing under the high temperature and high pressure environment of down-hole.
Described bonnet 2 is provided with the screwed hole 18 that holds sealing screw 3, and the dimensions of screwed hole 18 is more bigger than sealing screw 3.Bonnet 2 will be by screwing in screwed hole 18 with the screw of screwed hole 18 same size specifications and eject from Polar plate matrix 1.Bonnet 2 has strip support column 19 structures equally, matches with support column 15 on Polar plate matrix 1, has improved the bearing strength of bonnet 2.
To shown in Figure 9, a plurality of data acquisition processing circuit 5 are arranged in the internal cavity of Polar plate matrix 1 as Fig. 7.Single core pressure bearing and seal plug 6 and multicore pressure bearing and seal plug 7 are arranged in Polar plate matrix 1 forward end seal hole.The sealing-plug external cabling is connected with instrument, and back panel wiring is connected with data acquisition processing circuit 5 by trough 20.
Also be provided with cable tray 22 between two internal cavities of Polar plate matrix 1, isolation mutually between passage, the wire that the first closed hole 11 from Polar plate matrix 1 is drawn is connected on the data acquisition processing circuit 5 on both sides by cable tray 22 and trough 16, when bonnet 2 is arranged on Polar plate matrix 1,16 one-tenth enclosed constructions of trough can not disturb between wire wherein.
Figure 10 and Figure 11 have described the structure and composition of oil-base mud pole plate electrode system, and wherein, the pole plate assembly comprises pole plate body 1, insulating slab 32, and emission electrode plate 33, volute spring 34, emission electrode sealing-plug 35, collecting electrode sealing-plug 36 and electricity buckle 31.The upper surface of described pole plate body 1 is provided with opening.Described insulating slab 32 is arranged in the opening of described pole plate body 1, and the two ends of described insulating slab 32 are provided with a pair of groove.A pair of emission electrode plate 33 laterally is embedded in the groove of described insulating slab 32.Described electricity button 31 is embedded in the middle part of described insulating slab 32.This arranges with respect to described electricity button 31 symmetrically to emission electrode plate 33.Collecting electrode sealing-plug 36 is arranged in the 3rd closed hole 11 at pole plate body 1 middle part, and electricity button 31 is embedded in insulating slab 32, and contacts with the 36 heads cooperations of collecting electrode sealing-plug.
As shown in figure 10,10 electricity buttons 31 are arranged on the middle part of described insulating slab 32, and are arranged to two rows.Should be understood that, insulating slab 32 can arrange the electricity button 31 of other quantity and arrangement, and does not depart from scope of the present utility model.
Described pole plate assembly can comprise a plurality of volute springs 34 and a plurality of emission electrode sealing-plug 35, described volute spring 34 is arranged in the hole at insulating slab two ends, between emission electrode plate 33 and emission electrode sealing-plug 35, and contact with emission electrode plate 33 and emission electrode sealing-plug 35; Described emission electrode sealing-plug 35 is arranged in second closed hole 10 at pole plate body 1 two ends.
Described pole plate assembly can comprise a plurality of collecting electrode sealing-plugs 36, and described collecting electrode sealing-plug 36 is arranged in the 3rd closed hole 11 at pole plate body 1 middle part.
Insulating slab 32, emission electrode plate 33, volute spring 34, emission electrode sealing-plug 35 have consisted of the emission electrode system of pole plate electrode system.Insulating slab 32, electricity button 31, collecting electrode sealing-plug 36 have consisted of the collecting electrode system of pole plate electrode system.
As shown in figure 10, insulating slab 32 is curved thin plates, and width is consistent with pole plate body 1, and fits tightly with pole plate body 1 cambered surface.Insulating slab 32 adopts the PEEK resin material to make, and has good insulating properties.Insulating slab 32 covers the surface that pole plate body 1 is removed front end and afterbody, and making the electric field that forms between pole plate emission electrode system and collecting electrode system can not be subject to pole plate body 1 affects.
As shown in figure 11, emission electrode plate 33 is curved metal thin plates, laterally place to be embedded in insulating slab 32 two ends, and with respect to 31 one-tenths symmetries of electricity button at insulating slab 32 middle parts.It is area that emission electrode plate 33 has increased emission electrode, makes emission current signal coverage rate wider.
Insulating slab 32 thickness between emission electrode plate 33 and pole plate body 1 surpass 5mm, have guaranteed the insulating properties between emission electrode plate 33 and pole plate body 1.
Connect by volute spring 34 between emission electrode plate 33 and emission electrode sealing-plug 35, volute spring 34 has formed pressure contact with the both sides, up and down, makes the signal transmission good.Volute spring 34 takes up room little, and elastic deformation is large, is adapted at using in small space.
Emission electrode sealing-plug 35 is arranged in the closed hole at pole plate body 1 two ends, and the position is corresponding with the emission electrode plate.Although Figure 11 only shows each emission electrode plate 33 and is provided with an emission electrode sealing-plug 35.But should be understood that, each emission electrode plate 33 can arrange the emission electrode sealing-plug 35 of other quantity, and does not depart from scope of the present utility model.
Describe now the method that the pole plate assembly that is used for logger is installed, said method comprising the steps of:
Data acquisition processing circuit 5 is passed through on screw fixed polar plate matrix 1; And
At least one bonnet 2 is arranged in described at least one opening of described Polar plate matrix 1 by sealing screw 3.
Wherein, described Polar plate matrix 1 comprises at least one support column 15 from the top to downward-extension, and described at least one bonnet 2 comprises at least one support column 19 that coordinates with at least one support column 15 of described Polar plate matrix 1.
Described method can also comprise: wiring cover 4 is arranged on the soffit of Polar plate matrix 1 front end by screw.
A plurality of single core pressure bearing and seal plugs 6 and a multicore pressure bearing and seal plug 7 are arranged in described a plurality of closed holes 12 of Polar plate matrix 1 front end;
Emission electrode sealing-plug 25 is arranged in second closed hole 10 at Polar plate matrix 1 top; And
Collecting electrode sealing-plug 36 is arranged in the 3rd closed hole 11 at Polar plate matrix 1 top.
Described at least one bonnet 2 surrounding are provided with seal groove 17, described method can also comprise: before in described at least one opening that at least one bonnet 2 is arranged on described Polar plate matrix 1 by sealing screw 3, sealing ring is placed in the seal groove 17 of described at least one bonnet 2.
The upper surface of described Polar plate matrix 1 is provided with recess, and described method can also comprise:
Insulating slab 32 is arranged in the recess of described Polar plate matrix 1, the two ends of described insulating slab 32 are provided with a pair of groove;
A pair of emission electrode plate 33 laterally is embedded in the groove of described insulating slab 32; With
This arranges with respect to described electricity button 31 symmetrically to emission electrode plate 33.
It should be understood that the only unrestricted the technical solution of the utility model in order to explanation of above embodiment.Although with reference to above-described embodiment, the utility model is had been described in detail, but those of ordinary skill in the art is to be understood that: still can modify or be equal to replacement the utility model, and do not break away from spirit and scope of the present utility model, and claims are intended to contain these modifications that fall into the utility model spirit and scope or are equal to replacement.
Claims (19)
1. pole plate assembly that is used for logger, this pole plate assembly comprises:
Polar plate matrix (1), described Polar plate matrix (1) comprise be used at least one internal cavity that holds data acquisition processing circuit (5) and limit at least one opening of sensible described at least one internal cavity at soffit; And
At least one bonnet (2), described at least one bonnet (2) are arranged on by sealing screw (3) in described at least one opening of described Polar plate matrix (1),
Wherein, described Polar plate matrix (1) comprises at least one support column (15) from the top to downward-extension, and described at least one bonnet (2) comprises at least one support column (19) that coordinates with at least one support column (15) of described Polar plate matrix (1).
2. pole plate assembly according to claim 1, is characterized in that, described pole plate assembly also comprises wiring cover (4), and described wiring cover (4) is arranged on the soffit of Polar plate matrix (1) front end by screw.
3. pole plate assembly according to claim 1, it is characterized in that, described at least one support column (15) of described Polar plate matrix (1) and described at least one support column (19) of described at least one bonnet (2) all have the strip cross section, and described data acquisition processing circuit (5) is provided with the strip hole.
4. pole plate assembly according to claim 1, is characterized in that, two of the quantity of internal cavity, and two internal cavities communicate with each other by a plurality of cable tray (22) and a plurality of trough (16).
5. pole plate assembly according to claim 4, it is characterized in that, isolation mutually between described a plurality of cable tray (22), and isolation mutually between a plurality of troughs (16), when described at least one bonnet (2) was arranged on Polar plate matrix (1), described a plurality of troughs (16) consisted of enclosed construction.
6. pole plate assembly according to claim 1, it is characterized in that, Polar plate matrix (1) front end has a plurality of the first closed holes (12), the two ends at Polar plate matrix (1) top and centre have the second closed hole (10) and the 3rd closed hole (11), and the second closed hole (10) is with respect to the 3rd closed hole (11) symmetry.
7. pole plate assembly according to claim 6, is characterized in that, described a plurality of first closed holes (12) of Polar plate matrix (1) front end are equipped with a plurality of single core pressure bearing and seal plugs (6) and a multicore pressure bearing and seal plug (7).
8. pole plate assembly according to claim 6, it is characterized in that, second closed hole (10) at Polar plate matrix (1) top is equipped with emission electrode sealing-plug (25), and the 3rd closed hole (11) at Polar plate matrix (1) top is equipped with collecting electrode sealing-plug (36).
9. pole plate assembly according to claim 1, it is characterized in that, Polar plate matrix (1) internal cavity is provided with the square groove (13) of laying data acquisition processing circuit (5), and square groove (13) two ends are provided with step (14) in order to support data acquisition processing circuit (5).
10. pole plate assembly according to claim 1, it is characterized in that, described at least one bonnet (2) is provided with the screwed hole (18) that holds sealing screw (3), and the dimensions of screwed hole (18) is more bigger than sealing screw (3), and described at least one bonnet (2) will be by screwing in screwed hole (18) with the screw of screwed hole (18) same size specification and eject from Polar plate matrix (1).
11. pole plate assembly according to claim 10 is characterized in that, sealing screw (3) uses end face seal, and the head of sealing screw (3) is provided with seal groove near a side of screw thread.
12. pole plate assembly according to claim 5 is characterized in that, described at least one bonnet (2) surrounding is provided be used to the seal groove that holds sealing ring (17).
13. pole plate assembly according to claim 1 is characterized in that, the upper surface of described Polar plate matrix (1) is provided with recess, and described pole plate assembly also comprises:
Insulating slab (32), described insulating slab (32) is arranged in the recess of described Polar plate matrix (1), and the two ends of described insulating slab (32) are provided with a pair of groove;
Laterally be embedded in the interior a pair of emission electrode plate (33) of groove of described insulating slab (32); With
Electricity button (31), described electricity button (31) is embedded in the middle part of described insulating slab (32);
This arranges with respect to described electricity button (31) symmetrically to emission electrode plate (33).
14. pole plate assembly according to claim 13, it is characterized in that, described pole plate assembly also comprises a plurality of volute springs (34) and a plurality of emission electrode sealing-plug (35), described volute spring (34) is arranged in the hole at insulating slab two ends, be positioned between emission electrode plate (33) and emission electrode sealing-plug (35), and contact with emission electrode plate (33) and emission electrode sealing-plug (35); Described emission electrode sealing-plug (35) is arranged in the closed hole at Polar plate matrix (1) two ends; Described emission electrode plate (33), volute spring (34) and emission electrode sealing-plug (35) consist of emission electrode.
15. pole plate assembly according to claim 14, it is characterized in that, described pole plate assembly also comprises a plurality of collecting electrode sealing-plugs (36), described collecting electrode sealing-plug (36) is arranged in the closed hole at Polar plate matrix (1) middle part, and insulating slab (32), electricity button (31) and collecting electrode sealing-plug (36) consist of collecting electrode and be.
16. pole plate assembly according to claim 13, it is characterized in that, insulating slab (32) is curved thin plate, its width equates with Polar plate matrix (1), described insulating slab (32) adopts the PEEK resin material to make, and insulating slab (32) covers Polar plate matrix (1) and removes surface beyond front end and afterbody.
17. pole plate assembly according to claim 13 is characterized in that, insulating slab (32) thickness between emission electrode plate (33) and Polar plate matrix (1) surpasses 5mm.
18. pole plate assembly according to claim 13 is characterized in that, emission electrode plate (33) is the metal sheet roof covering of arc.
19. pole plate assembly according to claim 15 is characterized in that, electricity is detained (31) bottom circular groove, arranges consistent with collecting electrode sealing-plug (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220516428 CN202991011U (en) | 2012-10-10 | 2012-10-10 | Polar plate assembly for logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220516428 CN202991011U (en) | 2012-10-10 | 2012-10-10 | Polar plate assembly for logging instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202991011U true CN202991011U (en) | 2013-06-12 |
Family
ID=48562202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220516428 Expired - Fee Related CN202991011U (en) | 2012-10-10 | 2012-10-10 | Polar plate assembly for logging instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202991011U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726830A (en) * | 2012-10-10 | 2014-04-16 | 中国石油集团长城钻探工程有限公司 | Pole plate assembly for logging instrument |
| CN107605460A (en) * | 2017-10-31 | 2018-01-19 | 中国石油集团川庆钻探工程有限公司 | Cross drilling tool memory-type logger pole plate of microresistivity scanning imaging |
-
2012
- 2012-10-10 CN CN 201220516428 patent/CN202991011U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726830A (en) * | 2012-10-10 | 2014-04-16 | 中国石油集团长城钻探工程有限公司 | Pole plate assembly for logging instrument |
| CN103726830B (en) * | 2012-10-10 | 2019-04-02 | 中国石油集团长城钻探工程有限公司 | Pole plate component for logger |
| CN107605460A (en) * | 2017-10-31 | 2018-01-19 | 中国石油集团川庆钻探工程有限公司 | Cross drilling tool memory-type logger pole plate of microresistivity scanning imaging |
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