Circuit framework structure of logging instrument

Abstract

The utility model discloses a circuit framework structure of a logging instrument, which belongs to the field of logging instruments and comprises a first mounting plate and a second mounting plate which are parallel to each other, a first support strip is arranged at the front end of the first mounting plate, and a second support strip is arranged at the rear end of the second mounting plate. The first mounting plate, the second mounting plate and the first supporting strip jointly define a first wiring groove, the first mounting plate, the second mounting plate and the second supporting strip jointly define a second wiring groove, the first mounting plate and the second mounting plate are each provided with a hollowed-out structure, and each hollowed-out structure comprises a plurality of hollowed-out holes; the hollow holes are one of regular hexagon holes, isosceles trapezoid holes and isosceles triangle holes, the regular hexagon holes are filled with regular hexagon shock pads, the isosceles trapezoid holes are filled with isosceles trapezoid shock pads, and the isosceles triangle holes are filled with isosceles triangle shock pads, so that the risk of damage to the circuit board can be reduced; and the reliability and service life of the circuit board are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of logging instrument, concretely relates to a circuit skeleton structure of logging instrument. BACKGROUND

[0002] The logging instrument is an instrument for resource exploration of petroleum, natural gas and the like. With the development of petroleum logging technology, when the logging depth gradually increases, the high pressure, high temperature and complex vibration environment in the well will affect the normal work of the logging instrument.

[0003] The common logging instrument currently comprises an upper joint, a shell and a lower joint connected in sequence, the shell is internally provided with a circuit skeleton, a circuit board and a sensor and the like, the circuit skeleton is installed on the inner wall of the shell, the circuit board is installed on the circuit skeleton, and the sensor is connected with the circuit board. The circuit skeleton comprises a mounting plate, the mounting plate is provided with bolt holes, and the circuit board and the mounting plate are connected through bolt fastening. With this structure, the circuit board can be installed and fixed through the circuit skeleton, but when the logging instrument is in the high pressure environment in the well for a long time, the circuit board in the logging instrument is prone to deformation and distortion, thereby affecting the service life of the circuit board and causing the logging instrument to be unable to work normally. UTILITY MODEL CONTENTS

[0004] In order to solve the above problems in the prior art, the utility model provides a circuit skeleton structure of logging instrument. The technical problems to be solved by the utility model are solved through the following technical scheme:

[0005] In one aspect, the utility model provides a circuit skeleton structure of logging instrument, including mutually parallel first mounting plate and second mounting plate, first mounting plate's front end is equipped with first support strip, second mounting plate's rear end is equipped with second support strip, first mounting plate's rear end and second mounting plate's front end are connected, and along the direction perpendicular to the first mounting plate upper surface, first mounting plate and second mounting plate are sequentially arranged, first mounting plate, second mounting plate and first support strip jointly enclose first wiring slot, first mounting plate, second mounting plate and second support strip jointly enclose second wiring slot, and first support strip and second support strip are all equipped with first mounting hole;First mounting plate and second mounting plate are all equipped with hollow structure, and the hollow structure includes a plurality of hollow holes, the hollow hole is one of regular hexagon hole, isosceles trapezoidal hole and isosceles triangular hole;Along the width direction of first mounting plate, two regular hexagon holes are sequentially arranged and constitute first hollow part, one isosceles trapezoidal hole, one regular hexagon hole and one isosceles trapezoidal hole are sequentially arranged and constitute second hollow part;Along the length direction of first mounting plate, first hollow part and second hollow part are staggered and constitute main hollow area, and isosceles triangular hole is arranged on both sides of main hollow area;Regular hexagon hole is filled with regular hexagon shock pad, isosceles trapezoidal hole is filled with isosceles trapezoidal shock pad, and isosceles triangular hole is filled with isosceles triangular shock pad.

[0006] In one embodiment of the utility model, first mounting panel and second mounting panel are integrally formed structure.

[0007] In one embodiment of the utility model, the adjacent two hollow holes in the hollow structure are further provided with heat dissipation holes, and the heat dissipation holes are located at the top corner of the hexagonal hole.

[0008] In one embodiment of the utility model, the hollow structure on the first mounting panel is located between the front end face of the second mounting panel and the first support strip, and the hollow structure on the second mounting panel is located between the rear end face of the first mounting panel and the second support strip.

[0009] In one embodiment of the utility model, the first support strip and the second support strip are both cuboid structures, the first mounting panel is connected to the middle position of the first support strip, the second mounting panel is connected to the middle position of the second support strip, and the size of the first support strip and the second support strip is same.

[0010] In one embodiment of the utility model, one end of the first mounting panel connected with the first support strip is further provided with a first reinforcing rib, and the first reinforcing rib is connected with the upper surface of the first mounting panel and the rear end face of the first support strip at the same time.

[0011] One end of the second mounting panel connected with the second support strip is further provided with a second reinforcing rib, and the second reinforcing rib is connected with the lower surface of the second mounting panel and the front end face of the second support strip at the same time.

[0012] In one embodiment of the utility model, the first mounting panel is a rectangular plate, and one second mounting hole is arranged at each of the four top corner positions of the first mounting panel.

[0013] The second mounting panel is a rectangular plate, and one second mounting hole is arranged at each of the four top corner positions of the second mounting panel.

[0014] In one embodiment of the utility model, the hole wall of the hexagonal hole, the isosceles trapezoidal hole and the isosceles triangular hole is provided with an annular groove, the outer circumferential surface of the hexagonal damping pad, the isosceles trapezoidal hole damping pad and the isosceles triangular hole damping pad is provided with an annular protrusion, and the annular protrusion and the annular groove are clamped and matched.

[0015] In one embodiment of the utility model, the hexagonal damping pad, the isosceles trapezoidal hole damping pad and the isosceles triangular hole damping pad are all silica gel pads.

[0016] In one embodiment of the utility model, the distance between the adjacent two hollow holes in the hollow structure is equal.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] In the above scheme of the application, the circuit framework structure comprises first and second mounting plates which are parallel to each other, the first mounting plate is provided with a first support strip at the front end, the second mounting plate is provided with a second support strip at the rear end, the rear end of the first mounting plate and the front end of the second mounting plate are connected, and the first and second mounting plates are arranged in sequence in a direction perpendicular to the upper surface of the first mounting plate, the first mounting plate, the second mounting plate and the first support strip jointly enclose a first wiring slot, the first mounting plate, the second mounting plate and the second support strip jointly enclose a second wiring slot, and the first and second support strips are each provided with a first mounting hole; the first and second mounting plates are each provided with a hollow structure, the hollow structure comprises a plurality of hollow holes, the hollow holes are one of a regular hexagonal hole, an isosceles trapezoidal hole and an isosceles triangular hole; in the width direction of the first mounting plate, two regular hexagonal holes are arranged in sequence and form a first hollow part, one isosceles trapezoidal hole, one regular hexagonal hole and one isosceles trapezoidal hole are arranged in sequence and form a second hollow part; in the length direction of the first mounting plate, the first and second hollow parts are distributed alternately and form a main hollow area, and the isosceles triangular holes are arranged on both sides of the main hollow area; the regular hexagonal hole is filled with a regular hexagonal shock-absorbing pad, the isosceles trapezoidal hole is filled with an isosceles trapezoidal shock-absorbing pad, and the isosceles triangular hole is filled with an isosceles triangular shock-absorbing pad. With this structure, after the circuit board is mounted on the circuit framework structure, when the circuit framework structure is subjected to pressure or vibration, the regular hexagonal shock-absorbing pad, the isosceles trapezoidal shock-absorbing pad and the isosceles triangular shock-absorbing pad can absorb deformation and vibration, thereby reducing the risk of damage to the circuit board and improving the reliability and service life of the circuit board. Moreover, when the regular hexagonal holes, the isosceles trapezoidal holes and the isosceles triangular holes are distributed according to the above structure, the stability of the circuit framework as a whole can be improved by utilizing the stability of the regular hexagonal holes, the compactness of the distribution of the hollow holes can be improved, the stability of the circuit framework as a whole can be further improved, and the weight of the circuit framework as a whole can be reduced. At the same time, wiring can be performed by using the first and second wiring slots, and damage to the core wire after extrusion can be avoided.

[0019] The utility model will be made further detailed description in combination with the drawings and examples. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the three-dimensional schematic view of the circuit framework structure in the embodiment of the utility model Figure 1 ;

[0021] Figure 2 is the three-dimensional schematic view of the circuit framework structure in the embodiment of the utility model Figure 2 ;

[0022] Figure 3 is the top view of the circuit framework structure in the embodiment of the utility model

[0023] Figure 4is a side view of the circuit skeleton structure in the embodiment of the utility model;

[0024] Figure 5 is a sectional view of the circuit skeleton structure in the embodiment of the utility model;

[0025] Figure 6 is a schematic view of the well logging instrument in the embodiment of the utility model;

[0026] Figure 7 is a schematic view of the annular protrusion and annular groove in the embodiment of the utility model.

[0027] Reference signs: 1 - first mounting plate, 2 - second mounting plate, 3 - first support strip, 4 - second support strip, 5 - first mounting hole, 6 - regular hexagonal hole, 7 - isosceles trapezoidal hole, 8 - isosceles triangular hole, 9 - heat dissipation hole, 10 - first reinforcing rib, 11 - second reinforcing rib, 12 - second mounting hole, 13 - first wiring groove, 14 - second wiring groove, 15 - annular groove, 16 - annular protrusion, 17 - upper joint, 18 - shell, 19 - mounting groove, 20 - lower joint, 21 - regular hexagonal shock pad. DETAILED DESCRIPTION

[0028] The utility model will be described in further detail in combination with specific embodiments, but the implementation mode of the utility model is not limited to this.

[0029] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The utility model embodiment provides a kind of circuit skeleton structure of well logging instrument, including mutually parallel first mounting plate 1 and second mounting plate 2, the front end of first mounting plate 1 is equipped with first support strip 3, the rear end of second mounting plate 2 is equipped with second support strip 4, the rear end of first mounting plate 1 and the front end of second mounting plate 2 are connected, and along the direction perpendicular to the upper surface of first mounting plate 1, first mounting plate 1 and second mounting plate 2 are sequentially arranged, first mounting plate 1, second mounting plate 2 and first support strip 3 jointly enclose first wiring slot 13, first mounting plate 1, second mounting plate 2 and second support strip 4 jointly enclose second wiring slot 14, first support strip 3 and second support strip 4 are all equipped with first mounting hole 5;First mounting plate 1 and second mounting plate 2 are all equipped with openwork structure, and the openwork structure includes multiple openwork holes, and the openwork hole is one of regular hexagon hole 6, isosceles trapezoidal hole 7 and isosceles triangle hole 8;Along the width direction of first mounting plate 1, two regular hexagon holes 6 are sequentially arranged and form first openwork part, one isosceles trapezoidal hole 7, one regular hexagon hole 6 and one isosceles trapezoidal hole 7 are sequentially arranged and form second openwork part;Along the length direction of first mounting plate 1, first openwork part and second openwork part are staggered and form main openwork area, and isosceles triangle hole 8 is arranged on both sides of the main openwork area;Regular hexagon hole 6 is filled with regular hexagon shock pad 21, isosceles trapezoidal hole 7 is filled with isosceles trapezoidal shock pad, and isosceles triangle hole 8 is filled with isosceles triangle shock pad.

[0030] In some embodiments of the application, the first mounting plate 1 and the second mounting plate 2 are both rectangular plates, and the sizes of the first mounting plate 1 and the second mounting plate 2 are the same, i.e., the length of the first mounting plate 1 is equal to the length of the second mounting plate 2, and the width of the first mounting plate 1 is equal to the width of the second mounting plate 2.

[0031] In some embodiments of the application, the upper surface of the rear end of the first mounting plate 1 and the lower surface of the front end of the second mounting plate 2 are in contact with each other and are connected by bolts, or the upper surface of the rear end of the first mounting plate 1 faces the lower surface of the front end of the second mounting plate 2, and the rear end of the first mounting plate 1 and the front end of the second mounting plate 2 are integrally formed.

[0032] In some embodiments of the application, the first support strip 3 is a strip-shaped block arranged along the length direction of the first mounting plate 1, the length of the first support strip 3 is equal to the length of the first mounting plate 1, and the first support strip 3 and the first mounting plate 1 are integrally formed.

[0033] In some embodiments of the application, the second support strip 4 is a strip-shaped block arranged along the length direction of the second mounting plate 2, the length of the second support strip 4 is equal to the length of the second mounting plate 2, and the second support strip 4 and the second mounting plate 2 are integrally formed.

[0034] In some embodiments of the present application, the upper surface of the first mounting plate 1, the front end surface of the second mounting plate 2, and the rear end surface of the first support strip 3 jointly enclose the first wiring slot 13, and the rear end surface of the first mounting plate 1, the upper surface of the second mounting plate 2, and the front end surface of the second support strip 4 jointly enclose the second wiring slot 14.

[0035] In some embodiments of the present application, as shown in Figure 6 The logging instrument includes an upper joint 17, a shell 18, and a lower joint 20. The shell 18 is a cylindrical shell, the upper joint 17 is sealingly connected to the front end of the shell 18, and the lower joint 20 is sealingly connected to the rear end of the shell 18. The upper joint 17 can stably position the logging instrument to prevent the logging instrument from deflecting. The lower joint 20 can be connected to ground equipment. The shell 18 is provided with a circuit board and a sensor and the like inside. The inner wall of the shell 18 is provided with a mounting groove 19, and the mounting groove 19 is provided with a threaded hole. The above-mentioned circuit framework structure of the present application is mounted in the mounting groove 19, and the circuit framework structure and the threaded hole in the mounting groove 19 are fastened and connected by screws.

[0036] In some embodiments of the present application, as shown in Figures 1 to 3 The first hollow part is provided with five, the second hollow part is provided with four, and the second hollow part is provided between the two adjacent first hollow parts. The isosceles triangular hole 8 is provided with two, and the two isosceles triangular holes 8 are symmetrically arranged on both sides of the first mounting plate 1 or the second mounting plate 2.

[0037] In some embodiments of the present application, the shapes and sizes of the hollow structures on the first mounting plate 1 and the second mounting plate 2 are the same.

[0038] In some embodiments of the present application, the materials of the first mounting plate 1 and the second mounting plate 2 are high-thermal-conductivity alloys, such as copper-aluminum alloys, which have a thermal conductivity greater than 200 W / (m·K).

[0039] In some embodiments of the present application, the edge length of the regular hexagonal hole 6 can be 5 mm, and the thickness can be 4 mm. The upper base length of the isosceles trapezoidal hole 7 is 4 mm, and the lower base length is 6 mm.

[0040] In the above scheme of the present application, the circuit framework structure comprises a first mounting plate 1 and a second mounting plate 2 which are parallel to each other, the front end of the first mounting plate 1 is provided with a first support strip 3, the rear end of the second mounting plate 2 is provided with a second support strip 4, the rear end of the first mounting plate 1 and the front end of the second mounting plate 2 are connected, and along the direction perpendicular to the upper surface of the first mounting plate 1, the first mounting plate 1 and the second mounting plate 2 are arranged in sequence, the first mounting plate 1, the second mounting plate 2 and the first support strip 3 jointly enclose a first wiring slot 13, the first mounting plate 1, the second mounting plate 2 and the second support strip 4 jointly enclose a second wiring slot 14, and the first support strip 3 and the second support strip 4 are both provided with a first mounting hole 5; the first mounting plate 1 and the second mounting plate 2 are both provided with a hollow structure, the hollow structure comprises a plurality of hollow holes, and the hollow hole is one of a regular hexagonal hole 6, an isosceles trapezoidal hole 7 and an isosceles triangular hole 8; along the width direction of the first mounting plate 1, two regular hexagonal holes 6 are arranged in sequence and constitute a first hollow part, one isosceles trapezoidal hole 7, one regular hexagonal hole 6 and one isosceles trapezoidal hole 7 are arranged in sequence and constitute a second hollow part; along the length direction of the first mounting plate 1, the first hollow part and the second hollow part are distributed alternately and constitute a main hollow area, and the isosceles triangular hole 8 is arranged on both sides of the main hollow area; the regular hexagonal hole 6 is filled with a regular hexagonal shock-absorbing pad 21, the isosceles trapezoidal hole 7 is filled with an isosceles trapezoidal shock-absorbing pad, and the isosceles triangular hole 8 is filled with an isosceles triangular shock-absorbing pad. With this structure, after the circuit board is mounted on the circuit framework structure, when the circuit framework structure is subjected to pressure or vibration, the regular hexagonal shock-absorbing pad 21, the isosceles trapezoidal shock-absorbing pad and the isosceles triangular shock-absorbing pad can absorb deformation and vibration, reducing the risk of damage to the circuit board and improving the reliability and service life of the circuit board. Moreover, when the regular hexagonal hole 6, the isosceles trapezoidal hole 7 and the isosceles triangular hole 8 are distributed according to the above structure, the stability of the regular hexagonal hole can be used to improve the stability of the whole circuit framework, the compactness of the hollow hole distribution can be improved, the stability of the whole circuit framework can be further improved, and the weight of the whole circuit framework can be reduced. At the same time, the wiring by the first wiring slot 13 and the second wiring slot 14 can also avoid damage to the core wire after being extruded.

[0041] In some embodiments of the present application, as shown in Figure 1 , Figure 2 , Figure 4 and Figure 5 , the first mounting plate 1 and the second mounting plate 2 are integrally formed. With this structure, the reliability of the connection between the first mounting plate 1 and the second mounting plate 2 can be improved, and the processing and molding of the circuit framework structure are more convenient.

[0042] In some embodiments of the present application, a heat dissipation hole 9 is arranged between two adjacent hollow holes in the hollow structure, and the heat dissipation hole 9 is located at the top corner of the hexagonal hole 6. With this structure, heat dissipation through the heat dissipation hole 9 can improve the heat dissipation performance of the circuit board.

[0043] In some embodiments of the present application, the heat dissipation hole 9 is provided with a plurality of holes.

[0044] In some embodiments of the present application, the hollow structure on the first mounting plate 1 is located between the front end surface of the second mounting plate 2 and the first support strip 3, and the hollow structure on the second mounting plate 2 is located between the rear end surface of the first mounting plate 1 and the second support strip 4. With this structure, the part connecting the first mounting plate 1 and the second mounting plate 2 can not be provided with a hollow structure, so as to improve the reliability of the connection between the first mounting plate 1 and the second mounting plate 2.

[0045] In some embodiments of the present application, the first support strip 3 and the second support strip 4 are both cuboid structures, the first mounting plate 1 is connected to the middle position of the first support strip 3, the second mounting plate 2 is connected to the middle position of the second support strip 4, and the first support strip 3 and the second support strip 4 have the same size. With this structure, when the circuit board is installed on the circuit framework structure, and the circuit framework structure is installed on the inner wall of the logging instrument shell 18, a heat dissipation gap can be formed between the circuit board and the shell 18 of the logging instrument, thereby further improving the heat dissipation performance of the circuit board.

[0046] In some embodiments of the present application, one end of the first mounting plate 1 connected to the first support strip 3 is further provided with a first reinforcing rib 10, and the first reinforcing rib 10 is connected to the upper surface of the first mounting plate 1 and the rear end surface of the first support strip 3; one end of the second mounting plate 2 connected to the second support strip 4 is further provided with a second reinforcing rib 11, and the second reinforcing rib 11 is connected to the lower surface of the second mounting plate 2 and the front end surface of the second support strip 4. With this structure, the first reinforcing rib 10 and the second reinforcing rib 11 can improve the strength of the first mounting plate 1 and the second mounting plate 2, thereby prolonging the service life of the first mounting plate 1 and the second mounting plate 2.

[0047] In some embodiments of the present application, the first reinforcing rib 10 is a strip-shaped block arranged in the length direction of the first mounting plate 1, and the first reinforcing rib 10, the first mounting plate 1 and the first support strip 3 are an integral molding structure.

[0048] In some embodiments of the present application, the second reinforcing rib 11 is a strip-shaped block arranged in the length direction of the second mounting plate 2, and the second reinforcing rib 11, the second mounting plate 2 and the second support strip 4 are an integral molding structure.

[0049] In some embodiments of the present application, the first mounting plate 1 is a rectangular plate, and a second mounting hole 12 is arranged at each of the four corners of the first mounting plate 1. The second mounting plate 2 is also a rectangular plate, and a second mounting hole 12 is arranged at each of the four corners of the second mounting plate 2. With this structure, the mounting holes on the circuit board can correspond to the second mounting holes 12 on the circuit framework structure, and the bolts are sequentially inserted through the mounting holes of the circuit board and the second mounting holes 12 of the circuit framework structure and locked with nuts to mount the circuit board to the circuit framework structure. The first mounting holes 5 on the circuit framework structure can correspond to the screw holes on the inner wall of the logging instrument shell 18, and the screws are inserted through the first mounting holes 5 and threadedly connected with the screw holes on the inner wall of the logging instrument shell 18 to mount the circuit framework structure to the inner wall of the logging instrument shell 18. At this time, the fixing through the multiple second mounting holes 12 can improve the stability of the circuit board. Alternatively, the mounting holes on the circuit board can correspond to the first mounting holes 5 on the circuit framework structure, and the bolts are sequentially inserted through the mounting holes of the circuit board and the first mounting holes 5 of the circuit framework structure and locked with nuts to mount the circuit board to the circuit framework structure. The second mounting holes 12 on the circuit framework structure can correspond to the screw holes on the inner wall of the logging instrument shell 18, and the screws are inserted through the second mounting holes 12 and threadedly connected with the screw holes on the inner wall of the logging instrument shell 18 to mount the circuit framework structure to the inner wall of the logging instrument shell 18. At this time, the fixing through the multiple second mounting holes 12 can improve the stability of the circuit framework structure mounted to the inner wall of the logging instrument shell 18.

[0050] In some embodiments of the present application, when the screws or bolts are installed through the second mounting holes 12, a gasket can be sleeved on the screws or bolts, and the gasket is located in the wiring groove and has a thickness equal to the depth of the wiring groove.

[0051] In some embodiments of the present application, as shown in Figure 7 The hole walls of the regular hexagonal hole 6, the isosceles trapezoidal hole 7, and the isosceles triangular hole 8 are each provided with an annular groove 15, and the outer circumferential surfaces of the regular hexagonal damping pad 21, the isosceles trapezoidal hole 7 damping pad, and the isosceles triangular hole 8 damping pad are each provided with an annular protrusion 16, which is in clamping connection with the annular groove 15. With this structure, the stability of the installation of the regular hexagonal damping pad 21, the isosceles trapezoidal hole 7 damping pad, and the isosceles triangular hole 8 damping pad can be improved.

[0052] In some embodiments of the present application, the annular grooves 15 on the hole walls of the regular hexagonal holes 6 are hexagonal structures, the annular grooves 15 on the hole walls of the isosceles trapezoidal holes 7 are isosceles trapezoidal structures, and the annular grooves 15 on the hole walls of the isosceles triangular holes 8 are isosceles triangular structures; the annular protrusions 16 on the outer circumferential surfaces of the regular hexagonal shock-absorbing pads 21 are hexagonal structures, the annular protrusions 16 on the outer circumferential surfaces of the isosceles trapezoidal shock-absorbing pads are isosceles trapezoidal structures, and the annular protrusions 16 on the outer circumferential surfaces of the isosceles triangular shock-absorbing pads are isosceles triangular structures.

[0053] In some embodiments of the present application, in addition to the structure that the annular grooves 15 are arranged on the hole walls of the regular hexagonal holes, the isosceles trapezoidal holes 7 and the isosceles triangular holes 8, and the annular protrusions 16 are arranged on the outer circumferential surfaces of the regular hexagonal shock-absorbing pads 21, the isosceles trapezoidal shock-absorbing pads and the isosceles triangular shock-absorbing pads, the structure that the annular positioning grooves are arranged on the outer circumferential surfaces of the regular hexagonal shock-absorbing pads 21, the isosceles trapezoidal shock-absorbing pads and the isosceles triangular shock-absorbing pads, and the inner sides of the regular hexagonal holes, the isosceles trapezoidal holes 7 and the isosceles triangular holes 8 respectively extend into the annular positioning grooves of the regular hexagonal shock-absorbing pads 21, the isosceles trapezoidal shock-absorbing pads and the isosceles triangular shock-absorbing pads can also be adopted.

[0054] In some embodiments of the present application, the regular hexagonal shock-absorbing pads 21, the isosceles trapezoidal shock-absorbing pads and the isosceles triangular shock-absorbing pads are all silica gel pads. With this structure, the silica gel pads can absorb the energy generated by the deformation and vibration of the circuit framework structure, thereby reducing the risk of damage to the circuit board and improving the reliability and service life of the circuit board.

[0055] In some embodiments of the present application, the distances between the adjacent two hollow holes in the hollow structure are equal. With this structure, the stability and deformation uniformity of the whole hollow structure can be improved, thereby further improving the reliability of the circuit framework structure.

[0056] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0057] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and should not be construed as indicating or implying relative importance or an indicated number of technical features. Therefore, the features defined with "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically defined.

[0058] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0059] The above is a further detailed description of the present application in combination with specific preferred embodiments, and cannot be considered as limiting the specific implementation of the present application to these descriptions. For those skilled in the art, without departing from the concept of the present application, a number of simple deductions or substitutions can be made, which should be considered as falling within the scope of protection of the present application.

Claims

1. A circuit backplane for a logging instrument, the circuit backplane comprising: The first mounting plate and the second mounting plate are provided with a hollow structure, the hollow structure comprises a plurality of hollow holes, the hollow hole is one of a regular hexagonal hole, an isosceles trapezoidal hole and an isosceles triangular hole; Along the width direction of the first mounting plate, two regular hexagonal holes are sequentially arranged and constitute a first hollow part, an isosceles trapezoidal hole, a regular hexagonal hole and an isosceles trapezoidal hole are sequentially arranged and constitute a second hollow part; Along the length direction of the first mounting plate, the first hollow part and the second hollow part are staggered and constitute a main hollow area, and the isosceles triangular hole is arranged on both sides of the main hollow area. The regular hexagonal hole is filled with a regular hexagonal shock pad, the isosceles trapezoidal hole is filled with an isosceles trapezoidal shock pad, and the isosceles triangular hole is filled with an isosceles triangular shock pad. The first mounting plate and the second mounting plate are an integral molding structure.

2. The circuit backbones of a logging tool of claim 1, wherein, The adjacent two hollow holes in the hollow structure are further provided with a heat dissipation hole, and the heat dissipation hole is located at the top corner of the regular hexagonal hole.

3. The circuit backbones of a logging tool of claim 1, wherein, The hollow structure on the first mounting plate is located between the front end face of the second mounting plate and the first support strip, and the hollow structure on the second mounting plate is located between the rear end face of the first mounting plate and the second support strip.

4. The circuit backbones of a logging tool of claim 1, wherein, The first support strip and the second support strip are both cuboid structures, the first mounting plate is connected to the middle position of the first support strip, the second mounting plate is connected to the middle position of the second support strip, and the sizes of the first support strip and the second support strip are the same.

5. The circuit backbones structure of a logging instrument of claim 1, wherein, One end of the first mounting plate connected to the first support strip is further provided with a first reinforcing rib, and the first reinforcing rib is connected to the upper surface of the first mounting plate and the rear end face of the first support strip at the same time.

6. The circuit backbones structure of a logging instrument according to claim 5, wherein, One end of the second mounting plate connected to the second support strip is further provided with a second reinforcing rib, and the second reinforcing rib is connected to the lower surface of the second mounting plate and the front end face of the second support strip at the same time. The first mounting plate is a rectangular plate, and one second mounting hole is arranged at each of the four corner positions of the first mounting plate.

7. The circuit backbones structure of a logging instrument of claim 1, wherein, The second mounting plate is a rectangular plate, and one second mounting hole is arranged at each of the four corner positions of the second mounting plate. The hole wall of the regular hexagonal hole, the isosceles trapezoidal hole and the isosceles triangular hole is provided with an annular groove, the outer circumferential surface of the regular hexagonal shock pad, the isosceles trapezoidal hole shock pad and the isosceles triangular hole shock pad is provided with an annular protrusion, and the annular protrusion and the annular groove are in clamping cooperation.

8. The circuit backbones structure of a logging instrument of claim 1, wherein, ​ 9. The circuit backbones structure of a logging instrument of claim 1, wherein, The regular hexagonal damping pad, isosceles trapezoidal hole damping pad and isosceles triangular hole damping pad are all silica gel pads.

10. The circuit backbones structure of a logging instrument of claim 1, wherein, The distance between two adjacent hollow holes in the hollow structure is equal.

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