CN203870266U - Single-point horizontal geophone - Google Patents
Single-point horizontal geophone Download PDFInfo
- Publication number
- CN203870266U CN203870266U CN201420294385.2U CN201420294385U CN203870266U CN 203870266 U CN203870266 U CN 203870266U CN 201420294385 U CN201420294385 U CN 201420294385U CN 203870266 U CN203870266 U CN 203870266U
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- China
- Prior art keywords
- groove
- coil
- spring sheet
- cover
- crimped
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- Expired - Lifetime
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- 239000012212 insulator Substances 0.000 claims abstract description 6
- 238000003466 welding Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000002788 crimping Methods 0.000 claims description 17
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 13
- 210000003205 muscle Anatomy 0.000 claims description 3
- 238000004804 winding Methods 0.000 abstract description 7
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 206010030312 On and off phenomenon Diseases 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model discloses a single-point horizontal geophone. Two single-lead insulator terminals are fixed on an upper cover, and conductive lead springs are welded to the lower ends of the single-lead insulator terminals. The lower ends of the conductive lead springs are welded to terminals in terminal holes of a coil rack, and the other ends of the terminal are connected with the eduction terminals of upper and lower coils through welding. The coil rack is an integrated body, and the outer rim of a lower spring leaf is crimped and fixed on the lower groove step of the coil rack. The lower end of a lower magnetic shoe is crimped on the inner rim of the lower spring leaf sleeved on a lower cover boss, and the outer rim of an upper spring leaf is crimped and fixed in the upper groove of the coil rack. The upper end of an upper magnetic shoe is crimped on the inner rim of the upper spring leaf sleeved on the lower boss of the upper cover. The upper end of the upper magnetic shoe is higher than the upper end of the upper coil, and the lower end of the lower magnetic shoe is lower than the lower end of the lower coil. The single-point horizontal geophone is simple in structure, low in cost, high in use reliability, long in service lifetime, narrow in winding, wide in magnetic fields, uniform in magnetic field and stable in output. The number of resistance to dropping reaches over 8000 times.
Description
Technical field
The utility model relates to a kind of seismoreceiver, relates in particular to a kind of single-point horizontal earthquake wave detector.
Background technology
Seismoreceiver is the sensor special for geologic prospecting and engineering survey, it is a kind of sensor that ground vibration is changed into electric signal, it is to utilize artificial earthquake in stratum, to produce vibration signal, according to designing requirement, in the local placement sensor different apart from shot point, receive vibration signal, then the vibration signal receiving is processed, explained, according to the attribute on the information analysis different depth stratum such as the frequency of signal, amplitude, speed, the form of structure etc., thereby tentatively judge whether to there is oil generation, oil storage condition, the well location of probing is finally provided.But the single-point horizontal earthquake wave detector that existing large-scale precision is high is mainly U.S. Qiao Sipeisi company produce turn cored structure wave detector.In the housing of this seismoreceiver, be provided with coil former and lower coil frame; Together with upper coil former is mutually pegged graft and is adhesively fixed with lower coil frame, the coil former connection reliability of two bodies is poor, is easily scattering frequently in vibration, and serviceable life is short.Upper coil former and lower coil frame are respectively equipped with upper and lower coil outward, and must insulate between upper coil former and the coil of lower coil frame; In the middle of in upper coil former and lower coil frame, be provided with magnet steel and compensated loop, two ends are provided with silver-plated upper and lower magnetic boots, and the upper and lower edge of upper and lower coil is consistent with the upper and lower limit of upper and lower magnetic boots, and magnetic field is narrow, winding is wide, upper and lower coil is when upper and lower motion, and a part of coil is flogging a dead horse, and causes the waste of coil, once also have upper and lower spring leaf distortion, winding just not exclusively in magnetic field, causes Magnetic field inhomogeneity, exports unstable; Housing upper end is provided with upper cover, and housing lower end is provided with lower cover, and upper cover and lower cover are crimped on upper magnetic boots and lower magnetic boots by gold-plated upper spring sheet, upper interior contact chip, lower spring sheet, lower gasket respectively, above cover and are also provided with both positive and negative polarity insulator binding post and insulcrete; Positive and negative terminal is by contacting conduction with upper and lower spring leaf, upper interior contact chip, lower gasket and upper and lower magnetic boots, there is loose contact switch-on and-off phenomenon, affect the output of signal, and upper and lower spring leaf, upper interior contact chip, lower gasket need gold-plated, upper and lower magnetic boots need silver-plated, increased cost, complex process; Its complex structure, assembling is difficult, labor cost is high, and existing single-point seismoreceiver dependability is poor in a word, and serviceable life is short, complex structure, assembling difficulty, cost is high, and anti-drop number of times is less than 2000 times.
Utility model content
The purpose of this utility model solves the above-mentioned problems in the prior art exactly, and a kind of single-point horizontal earthquake wave detector is provided, and this detector structure is simple, and cost is low, and dependability is high, long service life, and anti-drop number of times is more than 8000 times; Narrow winding, wide magnetic field, magnetic field is more even, output is more stable.
For achieving the above object, technical solution of the present utility model is: a kind of single-point horizontal earthquake wave detector, comprise shell, crimping is fixed on upper cover and the lower cover of the upper and lower end of shell, coil former is in the enclosure set, be wrapped in the upper and lower coil in the upper and lower wire casing outside coil former, be arranged on magnet steel and upper and lower magnetic boots in coil former, upper spring sheet, lower spring sheet and insulcrete; It is characterized in that: it also comprises two single bushing binding posts, conductive lead wire spring and binding posts; Two single bushing binding posts are fixed on and cover, fill insulant between itself and upper cover, its lower end welding conductive lead wire spring, conductive lead wire spring lower end is welded on edge insulator and is connected on the binding post in coil former binding post hole, and the leading-out terminal of the binding post other end and upper and lower coil is welded to connect; Coil former is integrated part, the crimping of lower spring sheet outer rim is fixed on the groove step of coil former lower end, lower magnetic boots lower end is crimped on the lower spring sheet inner edge being enclosed within on lower cover boss, the crimping of upper spring sheet outer rim is fixed in the groove of coil former upper end, and upper magnetic boots upper end is crimped on the upper spring sheet inner edge being enclosed within on upper cover lower convex platform; In the space of conductive lead wire spring between coil former and upper cover; The upper end of upper magnetic boots is higher than the upper end of upper coil, and the lower end of lower magnetic boots is lower than the lower end of lower coil; Counter clockwise direction of deformation direction of the main muscle of upper and lower spring leaf, another clockwise direction.
The utility model described above also comprises compensated loop, and compensated loop is connected between upper and lower magnetic boots, is enclosed within outside magnet steel and contacts with magnet steel cylindrical.The increase of compensated loop, makes the variation of temperature bring output signal degree of distortion little.
There is respectively buckling groove A and the buckling groove B matching with magnet steel outer wall the lower end of upper magnetic boots described above, the upper end of lower magnetic boots; Magnet steel is connected in the buckling groove A and buckling groove B of upper and lower magnetic boots, and compensated loop is connected between the lower surface and buckling groove B upper surface of buckling groove A.This structure makes the width of magnetic boots and lower magnetic boots be greater than the width of upper and lower coil, forms narrow winding, the object in wide magnetic field; Magnetic field is more even, output is more stable.
The structure that upper spring sheet outer rim crimping described above is fixed in the groove of coil former upper end is: groove is trapezoidal groove, trapezoidal one side and horizontal direction angle are 30 ° ± 1.5 ° of 20 ° ± 1.5 °, another side and horizontal direction angles, upper spring sheet outer rim is placed in coil holder groove, by embedding in groove, the circular jump ring of the C shape of two end supports on two walls of groove is crimped in groove; The structure that described lower spring sheet outer rim crimping is fixed on the groove step of coil former lower end is: lower spring sheet outer rim is placed in coil holder groove step, by embedding in groove step, be supported in groove step, the pressure ring being crimped in groove step upper end wall is crimped in groove step.This crimping fixed sturcture reliability is high, easily dismounting.
Coil former upper end groove described above is crimped on structure in upper spring sheet outer rim also: described groove has the coil holder of upper spring sheet outer rim to hold platform, and circular jump ring crimping upper spring sheet outer rim is also connected to coil holder and holds in platform.
Described upper cover lower convex platform height is 8.2 mm, and lower cover boss height is 4.2mm.Upper cover lower convex platform and lower cover boss height have increased respectively 2.6mm and 1mm than the boss of prior art, make the displacement peak value of coil become 3.5mm by 1.5mm, the change of displacement peak value is large, makes output signal become large, sensitivity uprises, and sensitivity increases to 85.8v/m/s by 20v/m/s.
The direct conduction form that the utility model adopts upper and lower coil leading-out terminal, binding post, conductive lead wire spring and single bushing binding post to weld together, its conduction reliability is high, can not occur because of loose contact cause logical time disconnected phenomenon, the problem of having avoided the electric signal distortion that sliding contact causes, stable output signal is reliable; Upper and lower spring leaf is no longer gold-plated, and upper and lower magnetic boots are no longer silver-plated, and its technique is simple, and cost is low; Especially the utility model has been saved interior contact chip and lower gasket, the narrowed width of upper and lower coil, and it is simple in structure, and easily, cost further reduces in assembling.Coil former is integrated part, no longer scattering in vibration frequently, has extended its serviceable life.The upper end of upper magnetic boots is higher than the upper end of upper coil, and the lower end of lower magnetic boots is lower than the lower end of lower coil, its narrow winding, wide magnetic field, and magnetic field is more evenly, output is more stable.In a word, the utility model is simple in structure, and cost is low, and dependability is high, long service life, and signal output is more stable, and degree of distortion is little, and anti-drop number of times is more than 8000 times.The utility model level of can only falling is used, and level is used inclination angle to be no more than 3 °, and it is applied in three-component seismometer more.
Accompanying drawing explanation
Fig. 1 is inner structure schematic diagram of the present utility model;
Fig. 2 is the A portion enlarged drawing of Fig. 1;
Fig. 3 is the structural representation of the circular jump ring of C shape in the utility model;
Fig. 4 is the front view of pressure ring in the utility model;
Fig. 5 is the BB cut-open view of Fig. 4.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, the present embodiment comprises shell 8, crimping is fixed on upper cover 1 and the lower cover 10 of shell 8 upper and lower ends, be arranged on the coil former 6 in shell 8, be wrapped in the upper and lower coil 7 and 17 in the upper and lower wire casing outside coil former 6, be arranged on magnet steel 5 and upper and lower magnetic boots 4 and 18 in coil former 6, upper spring sheet 12, lower spring sheet 13, compensated loop 14, insulcrete 9, two single bushing binding posts 2, conductive lead wire spring 11 and binding posts 3.Counter clockwise direction of deformation direction of upper and lower spring leaf 12 and 13 main muscle, another clockwise direction, it can adopt distortion little, the spring leaf that thickness is 0.085mm.Coil former 6 can adopt aluminium matter oxide isolated coil former, and the width of the upper and lower wire casing that it is outer can be 7 ± 0.015mm, and the requirement that can meet coil turn can reach the object of narrow winding again.Magnet steel 5 can adopt column Nd-Fe-B magnet steel, and upper and lower magnetic boots 4 and 18 dimensional thickness can be 10.35 ± 0.025mm and obtain looser magnetic field.Two single bushing binding posts 2 are fixed on upper cover 1, fill insulant 19 between itself and upper cover 1, its lower end welding conductive lead wire spring 11, conductive lead wire spring 11 lower ends are welded on edge insulator and are connected on the binding post 3 in coil former 6 binding post holes, and the leading-out terminal of binding post 3 other ends and upper and lower coil 7 and 17 is welded to connect.Coil former 6 is integrated part.The 13 outer rim crimping of lower spring sheet are fixed on coil former 6 lower end groove steps, its structure is: lower spring sheet 13 outer rims are placed in coil holder groove step, by embedding in groove step, be supported in groove step, the pressure ring 23 being crimped in groove step upper end wall is crimped in groove step, and the slightly larger in diameter of pressure ring 23 is in the diameter of groove step; Lower magnetic boots 18 lower ends are crimped on lower spring sheet 13 inner edges that are enclosed within on lower cover boss 22.The 12 outer rim crimping of upper spring sheet are fixed in coil former 6 upper end grooves, its structure is: groove is trapezoidal groove, and trapezoidal one side and horizontal direction angle are arbitrarily angled (being 30 °) between 28.5-31.5 ° of arbitrarily angled (being 20 °) between 18.5-21.5 °, another side and horizontal direction angle in figure in figure; Upper spring sheet 12 outer rims are placed in groove, and by embedding in groove, the circular jump ring 15 of beryllium copper C shape within the scope of φ 0.80～φ 0.82mm of two end supports on two walls of groove is crimped in groove.Upper magnetic boots 4 upper ends are crimped on upper spring sheet 12 inner edges that are enclosed within on upper cover 1 lower convex platform 20.In the space 21 of conductive lead wire spring 11 between coil former 6 and upper cover 1.The upper end of upper magnetic boots 4 is higher than the upper end of upper coil 7, and the lower end of lower magnetic boots 18 is lower than the lower end of lower coil 17.There is respectively buckling groove A and the buckling groove B matching with magnet steel 5 outer walls the upper end of the lower end of upper magnetic boots 4, lower magnetic boots 18; Magnet steel 5 is connected in the buckling groove A and buckling groove B of upper and lower magnetic boots 4 and 18, and compensated loop 14 is connected between the lower surface and buckling groove B upper surface of buckling groove A, is enclosed within outside magnet steel 5 and contacts with magnet steel 5 cylindricals.Upper cover lower convex platform 20 is highly 8.2mm, lower cover boss 22 height 4.2mm, and increasing of upper cover lower convex platform 20 and lower cover boss, makes the displacement peak value of coil become 3.5mm by 1.5mm, and the signal of output increases.Upper cover lower convex platform 20, lower cover boss 22, upper and lower magnetic boots 4 and 18, magnet steel 5, upper and lower spring leaf 12 and 13 central axes.16 is the O-ring seal of crimping between upper cover 1 and lower cover 10 and shell 8.The utility model level of can only falling is used, and level is used inclination angle to be no more than 3 °, and it is applied in three-component seismometer more.
Above-described embodiment is only preferred and exemplary, and those skilled in the art can carry out according to the description of this patent the improvement of equivalent technologies, and it is all in the protection domain of this patent.
Claims (8)
1. a single-point horizontal earthquake wave detector, comprise shell, crimping is fixed on upper cover and the lower cover of the upper and lower end of shell, coil former is in the enclosure set, be wrapped in the upper and lower coil in the upper and lower wire casing outside coil former, be arranged on magnet steel and upper and lower magnetic boots in coil former, upper spring sheet, lower spring sheet and insulcrete; It is characterized in that: it also comprises two single bushing binding posts, conductive lead wire spring and binding posts; Two single bushing binding posts are fixed on and cover, fill insulant between itself and upper cover, its lower end welding conductive lead wire spring, conductive lead wire spring lower end is welded on edge insulator and is connected on the binding post in coil former binding post hole, and the leading-out terminal of the binding post other end and upper and lower coil is welded to connect; Coil former is integrated part, the crimping of lower spring sheet outer rim is fixed on the groove step of coil former lower end, lower magnetic boots lower end is crimped on the lower spring sheet inner edge being enclosed within on lower cover boss, the crimping of upper spring sheet outer rim is fixed in the groove of coil former upper end, and upper magnetic boots upper end is crimped on the upper spring sheet inner edge being enclosed within on upper cover lower convex platform; In the space of conductive lead wire spring between coil former and upper cover; The upper end of upper magnetic boots is higher than the upper end of upper coil, and the lower end of lower magnetic boots is lower than the lower end of lower coil; Counter clockwise direction of deformation direction of the main muscle of upper and lower spring leaf, another clockwise direction.
2. single-point horizontal earthquake wave detector according to claim 1, is characterized in that: it also comprises compensated loop, and compensated loop is connected between upper and lower magnetic boots, is enclosed within outside magnet steel and contacts with magnet steel cylindrical.
3. single-point horizontal earthquake wave detector according to claim 2, is characterized in that: there is respectively buckling groove A and the buckling groove B matching with magnet steel outer wall the lower end of described upper magnetic boots, the upper end of lower magnetic boots; Magnet steel is connected in the buckling groove A and buckling groove B of upper and lower magnetic boots, and compensated loop is connected between the lower surface and buckling groove B upper surface of buckling groove A.
4. according to the single-point horizontal earthquake wave detector described in claim 1 or 2 or 3, it is characterized in that: the structure that described upper spring sheet outer rim crimping is fixed in the groove of coil former upper end is: groove is trapezoidal groove, trapezoidal one side and horizontal direction angle are 30 ° ± 1.5 ° of 20 ° ± 1.5 °, another side and horizontal direction angles, upper spring sheet outer rim is placed in coil holder groove, by embedding in groove, the circular jump ring of the C shape of two end supports on two walls of groove is crimped in groove; The structure that described lower spring sheet outer rim crimping is fixed on the groove step of coil former lower end is: lower spring sheet outer rim is placed in coil holder groove step, by embedding in groove step, be supported in groove step, the pressure ring being crimped in groove step upper end wall is crimped in groove step.
5. according to the single-point horizontal earthquake wave detector described in claim 1 or 2 or 3, it is characterized in that: described groove has the coil holder of upper spring sheet outer rim to hold platform, circular jump ring crimping upper spring sheet outer rim is also connected to coil holder and holds in platform.
6. single-point horizontal earthquake wave detector according to claim 4, is characterized in that: described upper cover lower convex platform height is 8.2 mm, and lower cover boss height is 4.2mm.
7. single-point horizontal earthquake wave detector according to claim 5, is characterized in that: described upper cover lower convex platform height is 8.2 mm, and lower cover boss height is 4.2mm.
8. according to the single-point horizontal earthquake wave detector described in claim 1 or 2 or 3, it is characterized in that: described upper cover lower convex platform height is 8.2 mm, and lower cover boss height is 4.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420294385.2U CN203870266U (en) | 2014-06-05 | 2014-06-05 | Single-point horizontal geophone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420294385.2U CN203870266U (en) | 2014-06-05 | 2014-06-05 | Single-point horizontal geophone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203870266U true CN203870266U (en) | 2014-10-08 |
Family
ID=51651204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420294385.2U Expired - Lifetime CN203870266U (en) | 2014-06-05 | 2014-06-05 | Single-point horizontal geophone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203870266U (en) |
-
2014
- 2014-06-05 CN CN201420294385.2U patent/CN203870266U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141008 |