CN201319073Y - 2HZ detector core body - Google Patents
2HZ detector core body Download PDFInfo
- Publication number
- CN201319073Y CN201319073Y CNU2008201009164U CN200820100916U CN201319073Y CN 201319073 Y CN201319073 Y CN 201319073Y CN U2008201009164 U CNU2008201009164 U CN U2008201009164U CN 200820100916 U CN200820100916 U CN 200820100916U CN 201319073 Y CN201319073 Y CN 201319073Y
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- core body
- ring
- spring leaf
- coil winding
- spring
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Abstract
The utility model discloses a 2HZ detector core body, which is characterized in that a magnetic loop system consisting of a magnetic steel and magnetic poles and a spring-motion mass system including a spring piece and a coil winding are installed in a magnetic sleeve; the magnetic loop system and the spring-motion mass system are encapsulated in the magnetic sleeve through end covers at the two ends thereof; the coil winding is connected with wiring terminals mounted on one of the end covers through contact pieces; a damping resistor is connected between the two wiring terminals on each end cover; an outer ring of the spring piece is axially positioned on a coil winding support through an elastic clamp ring, and inner rings of the spring piece are sleeved on positioning lug bosses arranged on the end covers, and are compressed and axially positioned through the magnetic poles and the end covers; the end cover positioned at the lower end of the magnetic sleeve is fixed by a magnetic sleeve binding-off edge which is bound off through punching; and the end cover at the upper end of the magnetic sleeve is fixed in axial direction by an elastic clamp ring clamped in an end port ring-shaped groove. The utility model has the advantages that the structure is more reasonable; and the installation method of the spring piece is improved, so as to solve the problems of the non-uniformity and harmonic distortion in the magnetic circuit design, reduce the cost and facilitate the maintenance.
Description
Technical field
The utility model relates to passive velocity formula seismoreceiver, is specifically related to a kind of 2HZ detector core body of passive velocity formula seismoreceiver.
Background technology
In artificial earthquake, earthquake fine motion monitoring field, the low frequency seismoreceiver is one of indispensable instrument.Low-frequency seismograph can be divided into active and passive two big classes, generally comprises detector core body, protective case, horizontal adjustment screw, transmission cable or the like as passive class speed mode low frequency seismoreceiver.Wherein critical component is a detector core body, can form simple component or multi-component seismic wave detector by various combinations.
We know that also the wave detector frequency will do lowly, and volume and weight will be bigger than normal.(2～2.5HZ) wave detectors are owing to spring leaf and magnetic Circuit Design problem, and wave detector is the big problem of ubiquity degree of distortion in use for simultaneously traditional low frequency.Traditional in addition seismoreceiver core body is normally fixing dead, non-dismountable with end cap and magnetosheath tube, can not keep in repair.The design of spring leaf simultaneously is single, and interchangeability is very poor when being assembled into simple component or multi-component seismic wave detector.And traditional passive class speed mode 2HZ wave detector do not design external parallel resistance device, and the user can not satisfy the damping parameter value of own needs by external parallel resistance.
Summary of the invention
The deficiency that the utility model exists at traditional passive seismic detector of the velocity type core body, a kind of 2HZ detector core body is provided, its structure is more reasonable, solved the big problem of total harmonic distortion, and convenient for maintaining, and can form vertical core body or the horizontal positioned core body placed by changing different spring leafs.
The purpose of this utility model is achieved in that the magnetic loop system that comprises magnet steel, magnetic pole is installed in the magnetosheath tube, with the spring that comprises spring leaf, coil winding-moving-mass system, magnetic loop system and spring-moving-mass system is encapsulated in the magnetosheath tube by the end cap at magnetosheath tube two ends, coil winding is connected by the binding post that is provided with on contact and the end cap, connects a damping resistance between two binding posts that are provided with on the described end cap; On the coil winding support, the inner ring sleeve of spring leaf compresses axial location by magnetic pole and end cap to the outer shroud of spring leaf on the positioning boss that end cap is provided with by the elastic collar axial location; The end cap that is positioned at magnetosheath tube lower end is fixed by the magnetosheath tube closing in limit of closing up through punching press, and the end cap that is positioned at magnetosheath tube upper end is by the elastic collar axial location that is stuck in the port ring groove.
Owing to adopt such scheme, between two binding posts that are provided with on the end cap, connect a damping resistance, make the user can satisfy the damping parameter value of own needs by external parallel resistance.With the outer shroud of spring leaf by the elastic collar axial location on the coil winding support, the inner ring sleeve of spring leaf is on the positioning boss that end cap is provided with, compress axial location by magnetic pole and end cap, spring leaf can for convenience detachly be changed, especially on the interior ring of spring leaf, be provided for preventing the pilot hole that twists, can make alternate overlapping a plurality of spring leafs prevent that by pin being used to of inserting that spring leaf is provided with the pilot hole that twists is with multi-disc spring leaf circumferential location mutually like this, can prevent that spring leaf mutual plane dislocation is mobile, improve the accuracy that detects.Adopt the end cap that is positioned at magnetosheath tube lower end is fixed by the magnetosheath tube closing in limit of closing up through punching press, the end cap that is positioned at magnetosheath tube upper end can either guarantee the stability of core body assembling by the elastic collar axial location that is stuck in the port ring groove, is easy to remove and repair again.
Can be set to the horizontal spring sheet of core body horizontal positioned as required, link to each other by arc elastic arm between interior ring on the spring leaf and the outer shroud around three symmetrical distributions in the center of circle, article three, the arc elastic arm length sum of symmetrical distribution is less than the length of arc elastic arm circumference of living in, is provided with to be used to prevent the pilot hole that twists on interior ring.Also can be set to the vertical uprighting spring sheet of placing of core body as required, be arranged with interior ring, middle ring, outer shroud on the spring leaf, in link to each other by arc elastic arm between ring and the middle ring around three symmetrical distributions in the center of circle, in link to each other by arc elastic arm between ring and the outer shroud around three symmetrical distributions in the center of circle, three arc elastic arm length sums that are symmetrically distributed are all less than the length of arc elastic arm circumference of living in, can reduce frequency, regulate anchorage force, help reducing degree of distortion.And can just form horizontal core body or vertical core body by changing different spring leafs like this, the horizontal or vertical core body of varying number is put into corresponding protective case, can form vertical, level or many components 2HZ passive velocity formula seismoreceiver.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the vertical chip architecture of the spring synoptic diagram that core body is installed;
Fig. 3 installs the chip architecture of the spring synoptic diagram of core body for level;
Fig. 4 is the partial enlarged view at A place among Fig. 1;
Fig. 5 is the partial enlarged view at B place among Fig. 1;
Fig. 6 is the partial enlarged view at C place among Fig. 1.
In the accompanying drawing, 1 is the magnetosheath tube, and 2 is bottom end cover, and 3 is packing ring, 4a, 4b are coil winding, and 5 is dead ring, and 6a, 6b are the coil winding support, 7a, 7b are magnetic pole, and 8,15 is elastic collar, and 9 is upper end cover, 10,14 is contact chip, and 11 is insulator, and 12 is damping resistance, 13 is binding post, and 16,21 is O-ring seal, and 17 is elastic washer, 18 is insulating washer, and 19 is spring leaf, and 20 is magnet steel.
Embodiment
Referring to Fig. 1 to Fig. 6, the embodiment of a kind of 2HZ detector core body of passive velocity formula seismoreceiver.The magnetic loop system that comprises magnet steel 20, magnetic pole is installed in magnetosheath tube 1 and comprises the spring-moving-mass system of spring leaf 19, coil winding.Two magnetic pole 7a, 7b of described magnetic loop system are connected with the upper and lower side of magnet steel 20 respectively, and magnet steel 20 is entrenched in the groove that magnetic pole is provided with.Upper and lower two coil winding 4b, the 4a of described spring-moving-mass system are located at respectively between magnetosheath tube 1 and the magnetic loop system, and upper and lower coil winding support 6b, a 6a end in opposite directions are spaced apart by being enclosed within the dead ring 5 that upper and lower coil winding support holds in opposite directions.Coil winding is connected with two binding posts, 13 contacts that are provided with on the upper end cover 9 respectively by two contact chips 10,14, and two binding posts 13 are fixing by insulator 11 respectively, weld a damping resistance 12 between two binding posts 13.Be separately installed with spring leaf 19 on described upper and lower coil winding support 6b, the 6a, the interior ring 19a of spring leaf is enclosed within on the positioning boss that end cap is provided with, compress axial location by magnetic pole and end cap, the outer shroud 19c of spring leaf is by elastic collar 8 axial location in the groove of the inwall setting that is stuck in the coil winding support.The interior ring of described spring leaf is provided with and is used to prevent the pilot hole 19e that twists, when spring leaf 19 adopts multi-disc, the multi-disc spring leaf is alternate to be overlapped on the coil winding support, the interior ring of two adjacent spring leafs of a plurality of spring leafs and interior ring, be respectively equipped with packing ring 3 between outer shroud and the outer shroud, be provided with insulating washer 18 between interior ring and the magnetic pole, be provided with elastic washer 17 between outer shroud and the elastic collar, each spring leaf is provided with is used to prevent the pilot hole 19e position correspondence that twists, and the multi-disc spring leaf is circumferentially located mutually by inserting register pin, avoid mutual dislocation, produce various harmful effects.When detector core body being made as the core body of horizontal positioned as required, described spring leaf 19 is the horizontal spring sheet of core body horizontal positioned, link to each other by arc elastic arm 19d between interior ring 19a on the spring leaf and the outer shroud 19c around three symmetrical distributions in the center of circle, article three, the arc elastic arm length sum of symmetrical distribution is less than the length of arc elastic arm circumference of living in, the sense of rotation of the arc elastic arm of two spring leafs at two ends is opposite up and down when assembling, can play the effect that reduces frequency, reduces degree of distortion; When detector core body being made as the core body of vertical placement as required, described spring leaf 19 is the vertical uprighting spring sheet of placing of core body, ring 19a in being arranged with on the spring leaf, middle ring 19b, outer shroud 19c, in link to each other by arc elastic arm 19d between ring and the middle ring around three symmetrical distributions in the center of circle, in link to each other by arc elastic arm 19d between ring and the outer shroud around three symmetrical distributions in the center of circle, three arc elastic arm length sums that are symmetrically distributed are all less than the length of arc elastic arm circumference of living in, make like this and have two groups of totally six arc elastic arms on the uprighting spring sheet, anchorage force that can the regulating spring sheet, the sense of rotation of the arc elastic arm of two spring leafs at two ends is identical up and down when assembling, can play the reduction frequency, reduce the effect of degree of distortion.Line cutting or corrosion processing are adopted in the moulding of described spring leaf 19, and be finally heat-treating profiled, makes the precision of spring leaf and performance unified.Magnetic loop system and spring-moving-mass system is encapsulated in the magnetosheath tube 1 by the end cap at magnetosheath tube 1 two ends, the bottom end cover 2 that is positioned at magnetosheath tube 1 lower end is fixed by the magnetosheath tube 1 closing in limit of closing up through punching press, is provided with O-ring seal 21 between bottom end cover 2 and the magnetosheath tube 1 closing in limit; The upper end cover 9 that is positioned at magnetosheath tube 1 upper end is provided with O-ring seal 16 by elastic collar 15 axial location that are stuck in the port ring groove between upper end cover 9 and the elastic collar 15.Described magnet steel 20 is the alnico magnet of φ 25 * 21mm.Described coil winding support adopts the H62 Cu alloy material.
Claims (9)
1. 2HZ detector core body, the magnetic loop system that comprises magnet steel, magnetic pole is installed in the magnetosheath tube, with the spring that comprises spring leaf, coil winding-moving-mass system, magnetic loop system and spring-moving-mass system is encapsulated in the magnetosheath tube by the end cap at magnetosheath tube two ends, coil winding is connected by the binding post that is provided with on contact and the end cap, it is characterized in that: connect a damping resistance between two binding posts that are provided with on the described end cap; On the coil winding support, the inner ring sleeve of spring leaf compresses axial location by magnetic pole and end cap to the outer shroud of spring leaf on the positioning boss that end cap is provided with by the elastic collar axial location; The end cap that is positioned at magnetosheath tube lower end is fixed by the magnetosheath tube closing in limit of closing up through punching press, and the end cap that is positioned at magnetosheath tube upper end is by the elastic collar axial location that is stuck in the port ring groove.
2. 2HZ detector core body according to claim 1 is characterized in that: the interior ring of described spring leaf is provided with and is used to prevent the pilot hole that twists.
3. 2HZ detector core body according to claim 1 and 2, it is characterized in that: described spring leaf (19) is the horizontal spring sheet of core body horizontal positioned, link to each other by the arc elastic arm around three symmetrical distributions in the center of circle between interior ring on the spring leaf and the outer shroud, the arc elastic arm length sum of three symmetrical distributions is less than the length of arc elastic arm circumference of living in.
4. 2HZ detector core body according to claim 1 and 2, it is characterized in that: described spring leaf (19) is the vertical uprighting spring sheet of placing of core body, be arranged with interior ring, middle ring, outer shroud on the spring leaf, in link to each other by arc elastic arm between ring and the middle ring around three symmetrical distributions in the center of circle, in link to each other by arc elastic arm between ring and the outer shroud around three symmetrical distributions in the center of circle, three arc elastic arm length sums of symmetrical distribution are all less than the length of arc elastic arm circumference of living in.
5. 2HZ detector core body according to claim 1 and 2, it is characterized in that: described spring leaf multi-disc is alternate to be overlapped on the coil winding support, be provided with packing ring between the two adjacent spring leafs of a plurality of spring leafs, and prevent that by pin being used to of inserting that spring leaf is provided with the pilot hole that twists is with multi-disc spring leaf circumferential location mutually.
6. 2HZ detector core body according to claim 1 is characterized in that: described coil winding (4a, 4b) is divided into upper and lower coil winding, and a upper and lower coil winding support end in opposite directions is spaced apart by dead ring (5).
7. 2HZ detector core body according to claim 1 is characterized in that: be provided with O-ring seal between described bottom end cover and the magnetosheath tube closing in limit, be provided with O-ring seal between described upper end cover and the elastic collar.
8. 2HZ detector core body according to claim 1 is characterized in that: described magnet steel is an alnico magnet.
9. 2HZ detector core body according to claim 1 is characterized in that: described coil winding support adopts the H62 Cu alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201009164U CN201319073Y (en) | 2008-12-09 | 2008-12-09 | 2HZ detector core body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201009164U CN201319073Y (en) | 2008-12-09 | 2008-12-09 | 2HZ detector core body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201319073Y true CN201319073Y (en) | 2009-09-30 |
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ID=41197837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201009164U Expired - Fee Related CN201319073Y (en) | 2008-12-09 | 2008-12-09 | 2HZ detector core body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201319073Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806920A (en) * | 2010-05-21 | 2010-08-18 | 钟世航 | Ultra-wide band seismic prospecting detector |
| CN104502954A (en) * | 2014-12-25 | 2015-04-08 | 吉林大学 | Combined spring of seismic detector |
-
2008
- 2008-12-09 CN CNU2008201009164U patent/CN201319073Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806920A (en) * | 2010-05-21 | 2010-08-18 | 钟世航 | Ultra-wide band seismic prospecting detector |
| CN104502954A (en) * | 2014-12-25 | 2015-04-08 | 吉林大学 | Combined spring of seismic detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090930 Termination date: 20121209 |