CN103680821A - Fixing structure for transformer unit and transformer component - Google Patents

Fixing structure for transformer unit and transformer component Download PDF

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Publication number
CN103680821A
CN103680821A CN201210320036.9A CN201210320036A CN103680821A CN 103680821 A CN103680821 A CN 103680821A CN 201210320036 A CN201210320036 A CN 201210320036A CN 103680821 A CN103680821 A CN 103680821A
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China
Prior art keywords
transformer
fixed head
unit
framework
fixed
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CN201210320036.9A
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CN103680821B (en
Inventor
谢昱北
韦海王
肖加奇
梁小冰
杜有定
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CNPC Great Wall Drilling Co
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CNPC Great Wall Drilling Co
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Publication of CN103680821B publication Critical patent/CN103680821B/en
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Abstract

The invention relates to a fixing structure (8) for a transformer unit (13) and a transformer component. The transformer unit (13) is provided with a central plane (9), a first surface (5) and a second surface (6), wherein the first surface (5) and the second surface (6) are parallel to the central plane (9). The fixing structure (8) comprises a transformer framework (11) and a pair of transformer fixing plates (12), wherein the transformer framework (11) is provided with a transformer installation hole (52), the transformer installation hole (52) is used for containing the transformer unit (13), and the pair of transformer fixing plates (12) are compressed on the first surface (5) of the transformer unit (13) and the second surface (6) of the transformer unit (13) respectively and are fixed to the transformer framework (11) through at least two fastening pieces (16 and 17).

Description

Fixed structure and transformer device for transformer unit
Technical field
The present invention relates to the transformer device in a kind of oil well logging instrument, relate more specifically to the fixed structure for transformer unit.The invention still further relates to the method for assembling transformer device.
Background technology
Transformer is to utilize the principle of electromagnetic induction to change the device of alternating voltage, and main member is primary coil, secondary coil and iron core (magnetic core).Major function has: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilizing (magnetic saturation transformer) etc.
Transformer can be divided into by purposes: distribution transformer, power transformer, full-sealed transformer, combined transformer, dry-type transformer, oil-filled transformer, single-phase transformer, furnace transformer, rectifier transformer etc.
The citation form of transformer, comprises two groups of coils that are wound with wire, and in inductance mode, is coupled together each other.When certain alternating current (having a certain given frequency) flows in one group of coil wherein, in another group coil, will induce the alternating voltage with same frequency, and the voltage swing of responding to depends on the magnetic-coupled degree of two coils.
Most transformer all has fixing iron core, is wound with once the coil with secondary on it.Due to the high magnetic conductivity of iron material, most of magnetic flux of transformer is confined in iron core, and therefore, two groups of coils can obtain the magnetic coupling of suitable high level by this.In some transformers, the two is closely combined coil and iron core, and it is once almost identical with the coil ratio of the two with the ratio of secondary voltage.Therefore, the turn ratio of transformer, generally can be used as that transformer boosts or the reference index of step-down.Due to this function of boosting with step-down, make transformer become the important adjunct of one of modern power industry system, promote transmission voltage and make long-distancely to transmit electric power more economically, as for step-down transformer, it makes the diversification more of power operation aspect.Can say so, there is no transformer, modern industry cannot reach the present situation of current development.
Transformer forms parts and comprises transformer body parts (iron core, winding, insulating component, lead-in wire), transformer oil, oil tank of transformer and cooling device, regulator, protective device (dehydrating breather, pressure relief vent, Buchholz relay, oil conservator and temperature measuring equipment etc.) and outlet casing tube.Wherein, the core material that transformer uses is in iron plate, to add element silicon can reduce the conductivity of steel disc, increases resistivity, and it can reduce eddy current, and its loss is reduced.Being commonly referred to the steel disc that has added silicon is silicon steel sheet, and the quality of the silicon steel sheet that the quality of transformer is used has very large relation.
The main power supply of using in logger is substantially all DC linear voltage-stabilizing.Main electricity is by the alternating voltage of the 220V left and right of ground supply, and down-hole power is mainly comprised of input transformer, rectification circuit, filter circuit, voltage stabilizing circuit, protective circuit.
Current power transformer great majority are to fix by being arranged on the clamping plate at transformer two ends.And in oil well logging instrument, with reference to the requirement in < < SY/T5099-2007 oil well logging instrument environmental test and reliability requirement > >, power transformer need to stand larger vibration and shock loading, and this fixed form of the prior art is not suitable for the power transformer of oil well logging instrument.
Therefore, need a kind of fixed structure that power transformer unit is fixed in logger in reliable mode.
Summary of the invention
The object of the invention is to provides a kind of reliable fixed structure for the power transformer unit of oil well logging instrument, can effectively utilize the inner space of downhole instrument, and meet the requirement in < < SY/T5099-2007 oil well logging instrument environmental test and reliability requirement > >.
According to one embodiment of present invention, the invention provides a kind of fixed structure for power transformer unit, first surface and second surface that described transformer unit has central plane and is parallel to central plane, described fixed structure comprises: transformer framework, described transformer framework has transformer device mounting hole, and described transformer device mounting hole is configured to hold described transformer unit; And a pair of transformer fixed head, this is pressed on respectively on the first surface and second surface of transformer unit transformer fixed head, and is fixed to transformer framework by least two securing members.
According to a preferred embodiment of the invention, each transformer fixed head comprises two bearings and the crossbeam that is connected two bearings that is separately positioned on two ends; This is pressed on the first surface and second surface of transformer unit to the crossbeam of transformer fixed head (43); The hole that described transformer fixed head passes by securing member in the bearing of transformer fixed head is fixed to transformer framework.
According to a preferred embodiment of the invention, the bearing of one end of described transformer fixed head is provided with the hole that holds holding screw; Described holding screw compresses transformer unit vertically.
According to a preferred embodiment of the invention, described holding screw is set with holding screw Anti-loosing-cover.
According to a preferred embodiment of the invention, described holding screw Anti-loosing-cover is fastened on the bearing of transformer fixed head by Anti-loosing-cover screw and spring shim.
According to a preferred embodiment of the invention, described transformer framework is provided with swivel nut, and described securing member comprises screw bolt and nut.
According to a preferred embodiment of the invention, between described transformer fixed head and transformer unit, liner is housed.
According to another embodiment of the invention, the invention provides a kind of transformer device for oil well logging instrument, comprising: transformer unit, first surface and second surface that described transformer unit has central plane and is parallel to central plane; And fixed structure.Described fixed structure comprises: transformer framework, and described transformer framework has transformer device mounting hole, and described transformer device mounting hole is configured to hold described transformer unit; And a pair of transformer fixed head, this is pressed on respectively on the first surface and second surface of transformer unit transformer fixed head, and is fixed to transformer framework by least two securing members.
According to still another embodiment of the invention, the invention provides a kind of method of assembling transformer device, comprising:
Transformer framework is provided, and described transformer framework has hole, and described hole is configured to hold transformer unit;
A pair of transformer fixed head is provided;
Transformer unit is placed in the transformer device mounting hole of described transformer framework to first surface and second surface that described transformer unit has central plane and is parallel to central plane;
This is pressed on respectively on the first surface and second surface of transformer unit to transformer fixed head; And
By at least two securing members, this is fixed to transformer framework to transformer fixed head, to form transformer device.
The invention has the beneficial effects as follows: by fastener bolt and nut, transformer fixed head is fastened on transformer framework, has effectively avoided transformer unit to become flexible because being subject to the effect of external force.In addition, the crossbeam of transformer fixed head produces strain, for transformer unit, plays a very good protection; Meanwhile, holding screw is pressed on transformer unit on an end surfaces in transformer framework hole effectively, and transformer unit has been played to position-limiting action.
Accompanying drawing explanation
By the detailed description below in conjunction with accompanying drawing, it is clearer that these and other objects of the present invention and advantage will become, in accompanying drawing:
Figure 1A is the isometric drawing of transformer unit fixed structure according to an embodiment of the invention.
Figure 1B is the vertical view of transformer unit fixed structure according to an embodiment of the invention.
Fig. 1 C is the cutaway view of transformer unit fixed structure according to an embodiment of the invention.
Fig. 2 is holding screw and the holding screw Anti-loosing-cover johning knot composition in transformer unit fixed structure according to an embodiment of the invention.
Fig. 3 is the isometric drawing of transformer unit fixed structure according to an embodiment of the invention, for the sake of clarity, has removed transformer fixed head.
Fig. 4 is the isometric drawing of transformer fixed head in transformer unit fixed structure according to an embodiment of the invention.
Fig. 5 is the stereogram of the transformer framework in transformer unit fixed structure according to an embodiment of the invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, by exemplary mode, the present invention is described in further detail.
Figure 1A, Figure 1B and Fig. 1 C have described a kind of transformer device for the oil instrument of logging well by isometric drawing and cutaway view.This transformer device comprises transformer unit 13 and fixed structure 8, first surface 5 and second surface 6 that described transformer unit 13 has central plane 9 and is parallel to central plane 9.Although in the present invention, the transformer device oil instrument that is used for logging well, it being understood that transformer device can be used as standing during operation any power transformer of larger vibration and shock loading, and does not depart from scope of the present invention.As shown in Figure 1 C, the central plane 9 of transformer unit 13 is horizontal plane, but should be understood that, the central plane 9 of transformer unit 13 can adopt other orientation as required, and does not depart from scope of the present invention.
According to one embodiment of present invention, fixed structure 8 comprises: transformer framework 11, and described transformer framework 11 has transformer device mounting hole 52, and described transformer device mounting hole 52 is configured to hold described transformer unit 13; And a pair of transformer fixed head 12, this is pressed on respectively on the first surface 5 and second surface 6 of transformer unit 13 transformer fixed head 12.This is fixed to transformer framework 11 to transformer fixed head 13 by least two securing members 16,17.As shown in Figure 1A, this is fixed to transformer framework 11 to transformer fixed head 13 by four securing members 16,17, but should be understood that, can use the securing member 16,17 of other quantity, such as 3,5 etc., and does not depart from scope of the present invention.
According to a preferred embodiment of the invention, each transformer fixed head 12 comprises two bearings 41 and the crossbeam 43 that is connected two bearings 41 that is separately positioned on two ends; Described crossbeam 43 is pressed on the first surface 5 and second surface 6 of transformer unit 13; Described transformer fixed head 12 is fixed to transformer framework 11 by securing member 16,17 through the hole 44 in the bearing 41 of transformer fixed head 12.The crossbeam 43 of transformer fixed head 12 has certain elasticity, for transformer unit 13, plays a very good protection.
According to a preferred embodiment of the invention, the bearing 41 of one end of described transformer fixed head 12 is provided with the hole 45 that holds holding screw 22.Described holding screw 22 compresses transformer unit 13 vertically through hole 45.Fig. 2 is holding screw 22 and the holding screw Anti-loosing-cover 15 johning knot compositions in the fixed structure 8 of transformer unit 13 according to an embodiment of the invention.As shown in Figure 2, holding screw 22 through hole 45 along instrument shaft to being arranged on the bearing 41 of one end of transformer fixed head 12, and locking with holding screw Anti-loosing-cover 15.Described holding screw 22 transformer unit 13 axial compression on an end surfaces in the hole of transformer framework 11.
According to a preferred embodiment of the invention, described holding screw 22 is set with holding screw Anti-loosing-cover 14.Holding screw Anti-loosing-cover 14 is used for doing locking to described holding screw 22.
According to a preferred embodiment of the invention, described holding screw Anti-loosing-cover 14 is fastened on the bearing 41 of transformer fixed head 12 by Anti-loosing-cover screw 15 and spring shim 21.Spring shim 21 is used for doing locking to Anti-loosing-cover screw 15.
According to a preferred embodiment of the invention, described transformer framework 11 is provided with swivel nut 18, and described securing member 16,17 comprises bolt 16 and nut 17.Should be understood that, can also use other securing member, such as screw, rivet etc., and do not depart from scope of the present invention.
According to a preferred embodiment of the invention, between described transformer fixed head 12 and transformer unit 13, liner 31 is housed.Fig. 3 is the isometric drawing of the fixed structure 8 of transformer unit 13 according to an embodiment of the invention, for the sake of clarity, has removed transformer fixed head 12.As shown in Figure 3, on the first surface 5 of transformer unit 13 and second surface 6, be all pasted with the heat conductive silica gel liner 31 of glue.Preferably, first surface 5 and second surface 6 all post four silica gel liners 31.But should be understood that, can use the liner 31 of other quantity, and not depart from scope of the present invention.
Fig. 4 is the isometric drawing of the transformer fixed head 12 in the fixed structure 8 of transformer unit 13 according to an embodiment of the invention.As shown in Figure 4, transformer fixed head 12 comprises two bearings 41, has two swivel nuts 44 on each bearing 41, and bolt 16 is fastening by transformer fixed head 12 and transformer framework 11 by this swivel nut 44.Crossbeam 43 is pressed on transformer unit 13, between crossbeam 43 and transformer unit 13, has thermal conductive silicon rubber cushion 31 to separate.The wire that wire casing 42 is drawn transformer is drawn in having of one end bearing 41 of transformer fixed head 12, and the other end bearing 41 of transformer fixed head 12 has the installing hole of holding screw 22.
In the preferred embodiment shown in Fig. 4, bearing 41 has L-type cross section, and contacts with transformer framework 11.Two crossbeams 43 are parallel to each other and be arranged on opposite side, and contact to compress transformer unit 13 with the second surface 6 of transformer unit 13.
As shown in Figure 5, transformer framework 11 has swivel nut hole 51, for swivel nut 18 is installed.Swivel nut 18 is anchored on transformer framework 11, disposes the internal thread coordinating with the external screw thread of bolt 16.Preferably, swivel nut 18 is stainless steel self tapping swivel nut.
As shown in Figure 5, transformer framework 11 has transformer device mounting hole 52.According to one embodiment of present invention, the transformer device mounting hole 52 of transformer framework 11 has square-section, and two opposing sidewalls of transformer device mounting hole 52 are perpendicular to the central plane 9 of transformer unit 13, and the opposite flank of constraint transformer unit 13; Two other opposing sidewalls of transformer device mounting hole 52 is perpendicular to the central plane 9 of transformer unit 13, and the end surfaces of constraint transformer unit 13.
Describe now the method for assembling transformer device according to an embodiment of the invention, comprising: transformer framework 11 is provided, and described transformer framework 11 has transformer device mounting hole 52, and described transformer device mounting hole 52 is configured to hold transformer unit 13; A pair of transformer fixed head 12 is provided; Transformer unit 13 is placed in the transformer device mounting hole 52 of described transformer framework 11 to first surface 5 and second surface 6 that described transformer unit 13 has central plane 9 and is parallel to central plane 9; This is pressed on respectively on the first surface 5 and second surface 6 of transformer unit 13 to transformer fixed head 12; And by securing member 16,17, this is fixed to transformer framework 11 to transformer fixed head 13, to form transformer device.
By fastener bolt 16 and nut 17, transformer fixed head 12 is fastened on transformer framework 11, has effectively avoided transformer unit 13 to become flexible because being subject to the effect of external force.In addition, the crossbeam 43 of transformer fixed head 12 produces strain, for transformer unit 13, plays a very good protection; Meanwhile, holding screw 22 is pressed on transformer unit 13 on an end surfaces in transformer framework 11 holes effectively, and transformer unit 13 has been played to position-limiting action.
It should be understood that the only unrestricted technical scheme of the present invention in order to explanation of above embodiment.Although the present invention is had been described in detail with reference to above-described embodiment, but those of ordinary skill in the art is to be understood that: still can modify or be equal to replacement the present invention, and do not depart from the spirit and scope of the present invention, and claims are intended to contain and fall into these modifications of spirit and scope of the invention or be equal to replacement.

Claims (16)

1. the fixed structure for transformer unit (13) (8), first surface (5) and second surface (6) that described transformer unit (13) has central plane (9) and is parallel to central plane (9), described fixed structure (8) comprising:
Transformer framework (11), described transformer framework (11) has transformer device mounting hole (52), and described transformer device mounting hole (52) is configured to hold described transformer unit (13); And
A pair of transformer fixed head (12), this first surface (5) and second surface (6) that transformer fixed head (12) is pressed on respectively to transformer unit (13) is upper, and is fixed to transformer framework (11) by least two securing members (16,17).
2. fixed structure according to claim 1 (8), is characterized in that: each transformer fixed head (12) comprises two bearings (41) that are separately positioned on two ends and the crossbeam (43) that is connected two bearings (41); This is pressed on the first surface (5) and second surface (6) of transformer unit (13) to the crossbeam of transformer fixed head (12) (43); Described transformer fixed head (12) is fixed to transformer framework (11) by securing member (16,17) through the hole (44) in the bearing (41) of transformer fixed head (12).
3. fixed structure according to claim 2 (8), is characterized in that: the bearing (41) of one end of described transformer fixed head (12) is provided with the hole (45) that holds holding screw (22); Described holding screw (22) compresses transformer unit (13) vertically.
4. fixed structure according to claim 3 (8), is characterized in that: described holding screw (22) is set with holding screw Anti-loosing-cover (14).
5. fixed structure according to claim 4 (8), is characterized in that: described holding screw Anti-loosing-cover (14) is fastened on the bearing (41) of transformer fixed head (12) by Anti-loosing-cover screw (15) and spring shim (21).
6. fixed structure according to claim 1 (8), it is characterized in that: described transformer framework (11) is provided with swivel nut (18), described securing member (16,17) comprise bolt (16) and nut (17), described swivel nut (18) disposes the internal thread coordinating with the external screw thread of bolt (16).
7. fixed structure according to claim 1 (8), is characterized in that: between described transformer fixed head (12) and transformer unit (13), liner (31) is housed.
8. for a transformer device for the oil instrument of logging well, comprising:
Transformer unit (13), first surface (5) and second surface (6) that described transformer unit (13) has central plane (9) and is parallel to central plane (9); And
Fixed structure (8), described fixed structure (8) comprising: transformer framework (11), described transformer framework (11) has transformer device mounting hole (52), and described transformer device mounting hole (52) is configured to hold described transformer unit (13); And a pair of transformer fixed head (12), this is pressed on respectively on the first surface (5) and second surface (6) of transformer unit (13) to transformer fixed head (12), and be fixed to transformer framework (11) by least two securing members (16,17).
9. transformer device according to claim 8, is characterized in that: each transformer fixed head (12) comprises two bearings (41) that are separately positioned on two ends and the crossbeam (43) that is connected two bearings (41); This is pressed on the first surface (5) and second surface (6) of transformer unit (13) to the crossbeam of transformer fixed head (12) (43); Described transformer fixed head (12) is fixed to transformer framework (11) by securing member (16,17) through the hole (44) in the bearing (41) of transformer fixed head (12).
10. transformer device according to claim 9, is characterized in that: the bearing (41) of one end of described transformer fixed head (12) is provided with the hole (45) that holds holding screw (22); Described holding screw (22) compresses transformer unit (13) vertically.
11. transformer devices according to claim 10, is characterized in that: described holding screw (22) is set with holding screw Anti-loosing-cover (14).
12. transformer devices according to claim 11, is characterized in that: described holding screw Anti-loosing-cover (14) is fastened on the bearing (41) of transformer fixed head (12) by Anti-loosing-cover screw (15) and spring shim (21).
13. transformer devices according to claim 8, it is characterized in that: described transformer framework (11) is provided with swivel nut (18), described securing member (16,17) comprise bolt (16) and nut (17), described swivel nut (18) disposes the internal thread coordinating with the external screw thread of bolt (16).
14. transformer devices according to claim 8, is characterized in that: between described transformer fixed head (12) and transformer unit (13), liner (31) is housed.
15. 1 kinds of methods of assembling transformer device, comprising:
Transformer framework (11) is provided, and described transformer framework (11) has transformer device mounting hole (52), and described transformer device mounting hole (52) is configured to hold transformer unit (13);
A pair of transformer fixed head (12) is provided;
Transformer unit (13) is placed in the transformer device mounting hole (52) of described transformer framework (11) to first surface (5) and second surface (6) that described transformer unit (13) has central plane (9) and is parallel to central plane (9);
This is pressed on respectively on the first surface (5) and second surface (6) of transformer unit (13) to transformer fixed head (12); And
By at least two securing members (16,17), this is fixed to transformer framework (11) to transformer fixed head (13), to form transformer device.
The method of 16. assembling transformer devices according to claim 15, is characterized in that: each transformer fixed head (12) comprises two bearings (41) that are separately positioned on two ends and the crossbeam (43) that is connected two bearings (41); This is pressed on the first surface (5) and second surface (6) of transformer unit (13) to the crossbeam of transformer fixed head (12) (43); Described transformer fixed head (12) is fixed to transformer framework (11) by securing member (16,17) through the hole (44) in the bearing (41) of transformer fixed head (12).
CN201210320036.9A 2012-09-03 2012-09-03 Fixed structure and transformer device for transformer unit Expired - Fee Related CN103680821B (en)

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Application Number Priority Date Filing Date Title
CN201210320036.9A CN103680821B (en) 2012-09-03 2012-09-03 Fixed structure and transformer device for transformer unit

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Application Number Priority Date Filing Date Title
CN201210320036.9A CN103680821B (en) 2012-09-03 2012-09-03 Fixed structure and transformer device for transformer unit

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CN103680821B CN103680821B (en) 2017-07-14

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105239994A (en) * 2014-07-11 2016-01-13 中国石油集团长城钻探工程有限公司 Transformer short piece and electronic framework used for same
CN105298468A (en) * 2014-07-24 2016-02-03 中国石油集团长城钻探工程有限公司 Pressure bearing connector of well logging instrument

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2672817Y (en) * 2003-11-21 2005-01-19 梁庆文 Horizontal mounted small transformer
JP2007324434A (en) * 2006-06-02 2007-12-13 Matsushita Electric Ind Co Ltd Control board for electric apparatus
US20080084264A1 (en) * 2006-10-04 2008-04-10 Delta Electronics, Inc. Transformer with fixed pins
CN203013443U (en) * 2012-09-03 2013-06-19 中国石油集团长城钻探工程有限公司 A fixing structure for a transformer unit and a transformer assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2672817Y (en) * 2003-11-21 2005-01-19 梁庆文 Horizontal mounted small transformer
JP2007324434A (en) * 2006-06-02 2007-12-13 Matsushita Electric Ind Co Ltd Control board for electric apparatus
US20080084264A1 (en) * 2006-10-04 2008-04-10 Delta Electronics, Inc. Transformer with fixed pins
CN203013443U (en) * 2012-09-03 2013-06-19 中国石油集团长城钻探工程有限公司 A fixing structure for a transformer unit and a transformer assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105239994A (en) * 2014-07-11 2016-01-13 中国石油集团长城钻探工程有限公司 Transformer short piece and electronic framework used for same
CN105298468A (en) * 2014-07-24 2016-02-03 中国石油集团长城钻探工程有限公司 Pressure bearing connector of well logging instrument
CN105298468B (en) * 2014-07-24 2020-09-04 中国石油集团长城钻探工程有限公司 Pressure-bearing joint of logging instrument

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