CN208819686U - A kind of variometer that sensibility reciprocal is continuously adjustable - Google Patents

Abstract

The utility model provides a kind of variometer that sensibility reciprocal is continuously adjustable, including the first variometer and the second variometer, and first variometer includes loading coil；Second variometer includes ball variometer, the ball variometer includes rotor core, rotor coil, stator core, stator coil, rotor field spider and stator support, rotor core is spherical in shape, rotor coil is wound on the spherical surface of rotor core, stator core is in hollow ball shape, in the spherical surface of stator core, rotor core is mounted in stator core stator coil winding；First variometer and second variometer are connected in series, the inductance of second variometer is greater than the maximum value of inductance difference in each section of loading coil of first variometer separated by the tap, and the minimum inductance amount being greater than in each section of loading coil of first variometer.Realize that inductance is continuously adjustable in a variety of ranges.

Description

A kind of variometer that sensibility reciprocal is continuously adjustable

Technical field

The utility model relates to variometer technical field, in particular to the continuously adjustable variable inductance of a kind of sensibility reciprocal Device.

Background technique

The variable adjustment of inductance may be implemented in existing loading coil, but can only be interrupted adjusting, can not achieve Inductance is continuously adjusted.Although inductance in a certain range continuous may be implemented in existing ball variometer can It adjusts, but it is continuously adjustable within the scope of one to be only able to achieve inductance.

Utility model content

The technical problem to be solved by the utility model is to provide the variometers that a kind of sensibility reciprocal is continuously adjusted, and realize It is continuously adjustable in a variety of ranges of inductance.

In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model are as follows:

A kind of variometer that sensibility reciprocal is continuously adjustable, including the first variometer and the second variometer, it is described First variometer includes loading coil, and the loading coil includes the tap of at least one；Second variometer Including ball variometer, the ball variometer includes rotor core, rotor coil, stator core, stator coil, rotor Bracket and stator support, the rotor core is spherical in shape, and spiral helicine first groove, institute is distributed in the spherical surface of the rotor core It states rotor coil to be wound in first groove, the stator core is in hollow ball shape, and the spherical surface of the stator core is distributed There is spiral helicine second groove, for the stator coil winding in second groove, the rotor core is mounted on the stator In-core, the centre of sphere of the rotor core are overlapped with the centre of sphere of the stator core, and the one of the rotor core is diametrically equipped with symmetrical outside Two the first fixed links extended, the one of the stator core are diametrically equipped with symmetrical two first through hole, and described first is fixed Bar passes through the first through hole, and first fixed link and the rotor field spider are rotatablely connected, the stator core and the stator Bracket is fixedly connected；First variometer and second variometer are connected in series, second variable inductance The inductance of device is greater than inductance difference in each section of loading coil of first variometer separated by the tap Maximum value, and be greater than first variometer each section of loading coil in minimum inductance amount.

Further, first variometer further includes coil rack, and the loading coil is wound on the coil On skeleton, the coil rack is raised equipped with multiple card lines being circumferentially arranged side by side, between adjacent card line protrusion Distance be adapted to the diameter of the loading coil, the height and width of the card line protrusion are respectively less than the straight of the loading coil Diameter is equipped with a cabling in each card line protrusion and steps down opening, the loading coil on the coil rack staggeredly It stacks two layers of coiling, the two sides of the card line protrusion is wound on positioned at the loading coil of bottom, the loading coil positioned at top layer pastes By being wound between the adjacent two circles loading coils for being located at bottom, when coiling, every layer of loading coil is in the cabling Resigning opening skips to the other side from the side of a card line protrusion.

Further, it is equipped with a gear line protrusion in each card line protrusion, the height of the gear line protrusion is greater than Or 2 times equal to the loading coil diameter, the gear line protrusion, which steps down to be open with the cabling, to connect, and the gear line is convex Act the front end along direction of winding for being located at cabling resigning opening.

Further, when coiling loading coil, the odd number circle since the 3rd circle is wound on top layer, other circles are wound on Bottom.

Further, the coil rack is equipped with inner hole and tap line hole, the tap line hole and the inner hole It communicates, is correspondingly arranged at each tap there are two tap line hole, when coiling, the tap is first by the coil rack Outside stretched in the inner hole through tap line hole described in one of them, then again from the inner hole through pumping described in another Head line hole is pierced by the outside of the coil rack；The end of the coil rack is additionally provided with coil starting line hole and coil Line hole is terminated, when coiling, the starting point of the loading coil originates line hole to the line through the coil from the inner hole The external of ring framework stretches out, and the clearing end of the loading coil terminates line hole through the coil from the outside of the coil rack It protrudes into the inner hole.

Further, the rotor core is hollow structure, and first fixed link is equipped with the second through-hole as threading hole, Second through-hole is connected to the inner cavity of the rotor core, is set on the rotor core there are two cable hole, the rotor coil One end protrudes into the inner cavity of the rotor core from cable hole described in one of them, then from first fixed link one of them Two through-holes stretch out, and the other end protrudes into the inner cavity of the rotor core from cable hole described in another, then from first fixed link Another second through-hole stretch out.

Further, the rotor core is symmetrically arranged two hemisphere rotor cores, and two hemisphere rotor cores are right The trip and card slot of detent connection are provided at junction.

Further, the stator core is symmetrical two hollow hemisphere stator cores, two hollow hemisphere stator cores Diametrically outwardly extending fixed block is provided at interface, the fixed block is equipped with corresponding third through-hole, screw Third through-hole across two hollow hemisphere stator cores is spirally connected with nut.

Further, second variometer further includes that stepper motor, yielding coupling, swing rod and two limits are opened It closes, the output shaft of the stepper motor is fixedly connected by the yielding coupling with the first fixed link described in one of them, institute It states swing rod one end to be fixedly connected with the first fixed link described in another, the other end is touched described in two respectively in two extreme positions Limit switch, swing rod reciprocally swinging within the scope of 180 ° in a circumferential direction.

Further, second variometer further includes rotor connecting shaft and brush, the rotor connecting shaft and institute The first fixed link connection of rotor core is stated, the brush includes copper bearing, mounting plate, elastic slice and conducting wire, and copper shaft is held outer Circle is fixed on the rotor field spider, and the inner ring that copper shaft is held is socketed in the rotor connecting shaft, and the mounting plate is fixed On the rotor field spider, the both ends of the elastic slice are horizontal segment, and centre is arc section, and the horizontal segment at the elastic slice both ends is solid It is scheduled on the mounting plate, the periphery of arc section presses against on the periphery of the rotor connecting shaft among the elastic slice, institute It states conducting wire one end to connect with the elastic slice, the other end holds with copper shaft and connect, described stator coil one end and brush electricity Connection, described rotor coil one end is electrically connected by the rotor connecting shaft with the brush.

The utility model has the beneficial effects that: loading coil realizes the segmentation variation of inductance, the jump of inductance is realized Jump formula is adjusted, and ball variometer realizes the continuously adjustable of inductance, ball variometer and loading coil series combination, Realize inductance a variety of regulative modes, along with ball variometer inductance be greater than the first variometer by institute The maximum value of inductance difference in each section of loading coil that tap separates is stated, and is greater than each section of loading of the first variometer Minimum inductance amount in coil, so that being continuously adjusted in a variety of ranges can be realized, in use, the first variometer also can be used Coarse adjustment setting is carried out, carries out accurate adjustment setting with ball variometer, convenient for the adjusting of inductance, inductance accuracy of measurement is higher, makes It is wider with range；Rotor core is located in hollow stator core, and the single continuous helical of rotor coil is wound in the first groove, stator The single continuous helical of coil is wound in the second groove, keeps the continuity of rotor coil and stator coil, and makes stator coil With rotor coil according to preset track coiling, the length of rotor coil and stator coil is certain, consequently facilitating by hand around System, and the inductance accuracy of measurement of rotor coil and stator coil is high when making manual batch coiling；Two the first fixed links of rotor core Two first through hole of stator core are stretched out, realizes and rotor core is mounted on hollow stator in-core.

Detailed description of the invention

Fig. 1 is the schematic diagram of the continuously adjustable variometer of the sensibility reciprocal of the utility model embodiment；

Fig. 2 is the concrete application schematic diagram of the continuously adjustable variometer of the sensibility reciprocal of the utility model embodiment；

Fig. 3 is the solid of the first variometer of the continuously adjustable variometer of the sensibility reciprocal of the utility model embodiment Figure；

Fig. 4 is the explosion of the first variometer of the continuously adjustable variometer of the sensibility reciprocal of the utility model embodiment Figure；

Fig. 5 is the A partial enlarged view of Fig. 4 of the continuously adjustable variometer of the sensibility reciprocal of the utility model embodiment；

Fig. 6 is the loading of the first variometer of the continuously adjustable variometer of the sensibility reciprocal of the utility model embodiment Coil winding schematic diagram；

Fig. 7 is the solid of the second variometer of the continuously adjustable variometer of the sensibility reciprocal of the utility model embodiment Figure；

Fig. 8 is facing for the second variometer of the continuously adjustable variometer of the sensibility reciprocal of the utility model embodiment Figure；

Fig. 9 is the left view of the second variometer of the continuously adjustable variometer of the sensibility reciprocal of the utility model embodiment Figure；

Figure 10 is determining for the second variometer of the continuously adjustable variometer of the sensibility reciprocal of the utility model embodiment The explosive view of sub- core and rotor core；

Figure 11 is turning for the second variometer of the continuously adjustable variometer of the sensibility reciprocal of the utility model embodiment The explosive view of sub- core；

Figure 12 is the electricity of the second variometer of the continuously adjustable variometer of the sensibility reciprocal of the utility model embodiment Brush connect the front view of axis connection with rotor；

Figure 13 is the electricity of the second variometer of the continuously adjustable variometer of the sensibility reciprocal of the utility model embodiment Brush connect the left view of axis connection with rotor；

Figure 14 is the electricity of the second variometer of the continuously adjustable variometer of the sensibility reciprocal of the utility model embodiment The explosive view of brush.

Label declaration:

1, the first variometer；2, the second variometer；

11, coil rack；12, loading coil；

111, card line protrusion；112, inner hole；113, tap line hole；114, coil originates line hole；115, coil terminates Line hole；116, tubular armature；117, end cap；118, retention bead；

1111, cabling, which is stepped down, is open；1112, gear line protrusion；1113, tap, which is stepped down, is open；

121, tap；

21, ball variometer；22, stepper motor；23, yielding coupling；24, rotor connecting shaft；25, brush；26, Swing rod；27, limit switch；

211, rotor core；212, stator core；213, rotor field spider；214, stator support；

2111, the first groove；2112, the first fixed link；2113, cable hole；2114, hemisphere rotor core；2115, trip； 2116, card slot；

21121, the second through-hole；

2121, the second groove；2122, first through hole；2123, hollow hemisphere stator core；2124, fixed block；2125, second Fixed link；

21241, third through-hole；

251, copper bearing；252, mounting plate；253, elastic slice；254, conducting wire.

Specific embodiment

For technology contents, the objects and the effects that the utility model is described in detail, below in conjunction with embodiment and match Attached drawing is closed to be explained.

Please refer to Fig. 1 to Figure 14, embodiment one provided by the utility model are as follows:

A kind of variometer that sensibility reciprocal is continuously adjustable, including the first variometer 1 and the second variometer 2, institute Stating the first variometer 1 includes loading coil 12, and the loading coil 12 includes the tap 121 of at least one；Described second Variometer 2 includes ball variometer 21, and the ball variometer 21 includes rotor core 211, rotor coil, determines Sub- core 212, stator coil, rotor field spider 213 and stator support 214, the rotor core 211 is spherical in shape, the rotor core 211 Spiral helicine first groove 2111 is distributed in spherical surface, and the rotor coil is wound in first groove 2111, described Stator core 212 is in hollow ball shape, and spiral helicine second groove 2121 is distributed in the spherical surface of the stator core 212, described fixed Subcoil is wound in second groove 2121, and the rotor core 211 is mounted in the stator core 212, the rotor core 211 centre of sphere is overlapped with the centre of sphere of the stator core 212, and the one of the rotor core 211 is diametrically equipped with symmetrical outwardly extending Two the first fixed links 2112, the one of the stator core 212 diametrically be equipped with symmetrical two first through hole 2122, described first Fixed link 2112 passes through the first through hole 2122, and first fixed link 2112 is rotatablely connected with the rotor field spider 213, institute Stator core 212 is stated to be fixedly connected with the stator support 214；First variometer 1 and second variometer 2 It is connected in series, the inductance of second variometer 2 is greater than being divided by the tap 121 for first variometer 1 The maximum value of inductance difference in each section of loading coil 12 left, and it is greater than each section of loading of first variometer 1 Minimum inductance amount in coil 12.

Ball variometer 21 and 12 series combination of loading coil, realize a variety of regulative modes of inductance, for example, false If loading coil 12 realizes two sections of segmentations variation of inductance, respectively 200mH and 500mH, the electricity of ball variometer 21 Sensibility reciprocal is 300mH, then the variometer can realize inductance in the great-jump-forward coarse adjustment of 200mH, 500mH, can also be achieved 0~ 300, the fine tuning in 200~500,500~800,700~1000 ranges, generally can also realize in 0~1000 range It is continuously adjustable, consequently facilitating the adjusting of inductance, keeps variometer application range wider.

Rotor core 211 can be hollow, can also be it is solid, rotor coil according to this preset track of the first groove 2111 around System, rotor core 211 are located in stator core 212, and stator coil is according to this preset track coiling of the second groove 2121, installation When, the rotor core 211 of coiling improvement subcoil is placed in hollow stator core 212, and two fixed links is made to stretch out two the One through-hole 2122, it is then that stator core 212 is fixed, and the coiling stator coil on stator core 212, finally stator core 212 is consolidated Rotor core 211 is rotatably installed on rotor field spider 213 on stator support 214, makes rotor coil and stator coil by Dingan County Single continuous coiling is kept, and coiling length and track are fixed, to guarantee the essence of the inductance of ball variometer 21 Degree, and convenient for manual coiling.

Further, the width of first groove 2111 is adapted to the diameter of the rotor coil, second groove 2121 width is adapted to the diameter of the stator coil, specifically, the diameter of the width of the first groove 2111 and rotor coil Between for interference fit, between the width of the second groove 2121 and the diameter of stator coil for interference fit, to make rotor line Circle and stator coil are convenient for coiling, and coiling precision is high.

Preferably, the cross sectional shape of first groove 2111 is rectangle, semicircle or U-shaped, convenient for rotor coil Coiling；The cross sectional shape of second groove 2121 is rectangle, semicircle or U-shaped, convenient for the coiling of stator coil.

Embodiment two provided by the utility model are as follows:

On the basis of example 1, further, first variometer 1 further includes coil rack 11, described Loading coil 12 is wound on the coil rack 11, and the coil rack 11 is equipped with multiple card lines being circumferentially arranged side by side Protrusion 111, the distance between adjacent described card line protrusion 111 is adapted to the diameter of the loading coil 12, and the card line is convex It plays 111 height and width is respectively less than the diameter of the loading coil 12, be equipped with one in each card line protrusion 111 and walk Line resigning opening 1111, the loading coil 12 is staggeredly stacked two layers of coiling on the coil rack 11, positioned at adding for bottom Sense coil 12 is wound on the two sides of the card line protrusion 111, reclines and is wound on positioned at bottom positioned at the loading coil 12 of top layer Between adjacent two circles loading coils 12, when coiling, every layer of loading coil 12 is stepped down at opening 1111 in the cabling The other side is skipped to from the side of a card line protrusion 111.

It is interference fitted between loading coil 12 between adjacent card line protrusion 111, to make card line protrusion 111 can be to adding Sense coil 12 is positioned, and is convenient for the installation of loading coil 12.Positioned at the loading coil 12 of bottom and positioned at the loading of top layer Coil 12 is stepped down in cabling and is realized at opening 1111 from rotating to next circle when front ring, thus make 12 coiling of loading coil compared with To be regular, it is higher that inductance controls precision.Further, the card line protrusion 111 is a continuous most arc-shaped convex, Either it is made of multiple interrupted not a half arc-shaped convex, it is easy to process.

Preferably, the shape between adjacent card line protrusion 111 is rectangle, semicircle or U-shaped, is convenient for loading coil 12 Coiling.

The loading coil 12 includes the tap 121 of at least one, is only capable of placing between the adjacent card line protrusion 111 A piece loading coil 12, the two sides of card line protrusion 111 are wound on positioned at the loading coil 12 of bottom, positioned at the loading coil of top layer 12 are wound between the loading coil 12 of two adjacent circle bottoms, are positioned by two adjacent circle loading coils 12, to make Loading coil 12 during manual coiling, the position of coiling and length be it is fixed, do not need a few artificial numbers, improve hand The efficiency of work coiling, and inductance accuracy of measurement is higher, convenient for batch production by hand.

Embodiment three provided by the utility model are as follows:

On the basis of example 2, further, a gear line protrusion is equipped in each card line protrusion 111 1112, the height of the gear line protrusion 1112 is more than or equal to 2 times of 12 diameter of loading coil, the gear line protrusion 1112 connect with cabling resigning opening 1111, and the gear line protrusion 1112 is located at the edge of cabling resigning opening 1111 The front end of direction of winding.

Gear line protrusion 1112 can not only position the loading coil 12 for being located at bottom, can also add to top layer is located at Sense coil 12 is positioned, to further increase the precision of the coiling in length of loading coil 12, is also convenient for manual coiling and is added The loading coil 12 for being located at top layer can be accurately positioned during sense coil 12, convenient for batch production by hand.

Preferably, the cross sectional shape of the raised 1112 card line protrusions 111 of gear line is identical, but it is more convex than card line to keep off line protrusion 1112 Play 111 high, manufactures easy to process.

Example IV provided by the utility model are as follows:

On the basis of example 2, further, odd number circle coiling when coiling loading coil 12, since the 3rd circle In top layer, other circles are wound on bottom.It is, the 1st circle and the 2nd circle are in bottom during coiling loading coil 12 Coiling, in top layer coiling, the 4th circle is enclosed in bottom coiling, the 5th in top layer coiling the 3rd circle, and so on, until reaching coiling circle Number realizes the closely coiling of loading coil 12.If coiling 11 is enclosed altogether, Fig. 6 is please referred to, the 1st, 2,4,6,8,10 circles are located at bottom Layer, the 3rd, 5,7,9,11 are located at top layer, according to the successive coiling of digital number.

Embodiment five provided by the utility model are as follows:

It on the basis of example 2, further, further include bandage, the coil rack 11 is equipped with 112 He of inner hole Tap line hole 113, the tap line hole 113 are communicated with the inner hole 112, are correspondingly arranged at each tap 121 There are two tap line hole 113, when coiling, bandage passes through two tap line holes 113, and the tap 121 is pinioned； The end of the coil rack 11 is additionally provided with coil starting line hole 114 and coil terminates line hole 115, the coil starting card String holes 114 and coil terminate line hole 115 and communicate with the inner hole 112 of the coil rack 11, the coil rack 11 it is interior Hole 112 is connected to two end, and when coiling, a bandage passes through coil starting line hole 114, inner hole 112 and coil One end of skeleton 11, and the starting point of the loading coil 12 is pinioned, another bandage passes through the coil and terminates card Another end of string holes 115, inner hole 112 and coil rack 11, and the clearing end of the loading coil 12 is pinioned.

Specifically, the tap line hole 113 is set on the lateral surface of the coil rack 11, pass through two tap cards String holes 113, convenient for wearing bandage, so that the positioning to 12 tap 121 of loading coil is realized, to further increase manual coiling The precision of 12 inductance of loading coil in the process.

Line hole 114 and coil, which are originated, by coil terminates line hole 115 starting point to loading coil 12 and end respectively Not-go-end is positioned, and realization positions the both ends of loading coil 12, is further ensured that in 12 winding process of loading coil Length.

Further, the tap of offering being aligned in multiple card line protrusions 111 is stepped down opening 1113, described Tap line hole 113 is located at tap resigning opening 1113.

Preferably, the bottom of the tap resigning opening 1113 is concordant with the periphery of the coil rack 11.

The tap resigning opening 1113 being aligned in multiple card line protrusions 111, is presented as certain on coil rack 11 Smooth arc surface on width, tap line hole 113 easy to process are also convenient for further installing heat-shrink tube to tap 121.

Further, the coil rack 11 is cylinder, including tubular armature 116 and two end caps 117, two institutes State the both ends that end cap 117 is separately fixed at the tubular armature 116.Keep coil rack 11 light-weight, and easy to process.

Embodiment six provided by the utility model are as follows:

On the basis of example 2, further, the cabling in multiple card line protrusions 111, which is stepped down, is open 1111 pairs Neat setting.The smooth arc surface being presented as in one fixed width on coil rack 11 convenient for the processing of coil rack 11, and adds It is more regular to feel 12 coiling of coil.

Further, the both ends of the coil rack 11 are respectively provided with a circle retention bead 118, the retention bead 118 Height is more than or equal to 1.5 times of 12 diameter of loading coil, the retention bead 118 and adjacent card line protrusion The distance between 111 are adapted to the diameter of the loading coil 12.It is right by the retention bead 118 for being located at 11 both ends of coil rack The case where loading coil 12 positioned at both ends is positioned, and prevents the loading coil 12 positioned at both ends from loosening, also can be improved The structural strength of coil rack 11, convenient for being grasped to coil rack 11.

The distance between the retention bead 118 and the adjacent card line protrusion 111 are straight with the loading coil 12 It is interference fitted between diameter.Structurally, it is between every section of loading coil 12 of variometer provided by the utility model Continuous coiling, that is to say, that can be achieved taking out the continuous coiling of the loading coil 12 with tap 121 with single line circle It only needs then one section of the continuous coil inflection is fixedly connected with connecting terminal, is not needed at two sections at first 121 The junction of loading coil 12 is welded, so that inductance error caused by avoiding at solder joint, further increases inductance essence Degree.

Embodiment seven provided by the utility model are as follows:

On the basis of example 1, further, the rotor core 211 is hollow structure, first fixed link 2112, which are equipped with the second through-hole 21121, is used as threading hole, and second through-hole 21121 is connected to the inner cavity of the rotor core 211, It is set on the rotor core 211 there are two cable hole 2113, one end of the rotor coil is from cable hole 2113 described in one of them The inner cavity of the rotor core 211 is protruded into, is then stretched out from one of them second through-hole 21121 of first fixed link 2112, The other end protrudes into the inner cavity of the rotor core 211 from cable hole 2113 described in another, then from first fixed link 2112 Another second through-hole 21121 stretch out.

Rotor coil first enters in the inner cavity of rotor core 211 from second through-hole 21121, then when coiling Wear through a cable hole 2113 to the outside of rotor core 211, according to the first groove 2111 track carry out coiling, then through it is another walk String holes 2113 is worn into the inner cavity of rotor core 211, and is pierced by rotor core 211 from another second through-hole 21121, passes through two Two through-holes 21121 protect the both ends of rotor coil, by two the second through-holes 21121 and two cable holes 2113 to turning The both ends of subcoil are positioned, and the precision and stability of rotor coil coiling is improved.

Preferably, second through-hole 21121 is arranged along the length direction of first fixed link 2112, easy to process.

Embodiment eight provided by the utility model are as follows:

On the basis of embodiment one or seven, specifically, the rotor core 211 is symmetrically arranged two hemisphere rotor cores 2114, two hemisphere rotor cores 2114 are provided with the trip 2115 and card slot 2116 of detent connection at interface.

It is connect by trip 2115 with the detent of card slot 2116, two hemisphere rotor cores 2114 is made to be assembled into a rotor core 211, structural stability is good, is easily installed.

Preferably, two hemisphere rotor cores 2114 are provided with even-even trip 2115 and card slot 2116 at interface, and One hemisphere rotor core 2114 is equipped with a trip 2115 and a card slot 2116 in a diametrical direction, on the one hand makes two Even-even trip 2115 and 2116 stress of card slot after the docking of hemisphere rotor core 2114 after docking on the contrary, be not easy to open, structure is steady It is qualitative good, it is on the other hand easy to do two hemisphere rotor cores 2114 into the identical structure of forming shape, saves processing cost.

Embodiment nine provided by the utility model are as follows:

On the basis of example 1, specifically, the stator core 212 is symmetrical two hollow hemisphere stator cores 2123, two hollow hemisphere stator cores 2123 are provided with diametrically outwardly extending fixed block 2124, institute at interface Fixed block 2124 is stated equipped with corresponding third through-hole 21241, screw passes through two hollow hemisphere stator cores 2123 Third through-hole 21241 is spirally connected with nut.Being fixedly connected for two hollow hemisphere stator cores 2123, installation maintenance are realized by screw It is convenient.

Specifically, the end shape of first fixed link 2112 is rectangular.Rotor coil is not made in the process of movement not Phenomenon easily is had skidded, structural stability is good.

Specifically, the one of the stator core 212 is diametrically equipped with symmetrical outwardly extending two the second fixed links 2125, institute The second fixed link 2125 is stated to be fixedly connected with the stator support 214.It is easily installed.

Further, the end shape of second fixed link 2125 is rectangular, and structural stability is good.

Embodiment ten provided by the utility model are as follows:

On the basis of example 1, further, second variometer 2 further includes stepper motor 22, elasticity Shaft coupling 23, swing rod 26 and two limit switches 27, the output shaft of the stepper motor 22 by the yielding coupling 23 with One of them described first fixed link 2112 is fixedly connected, and described 26 one end of swing rod and another described first fixed link 2112 are solid Fixed connection, the other end touch two limit switches 27 in two extreme positions respectively, and the swing rod 26 is in a circumferential direction Reciprocally swinging within the scope of 180 °.

The connection that stepper motor 22 and rotor core 211 are realized by yielding coupling 23 drives rotor with stepper motor 22 Core 211 and rotor coil rotation, the angle of rotor coil rotation is controlled with stepper motor 22；With swing rod 26 and two limit switches Whether 27 detection rotor coils turn to two extreme positions, make running precision height.

Embodiment 11 provided by the utility model are as follows:

On the basis of embodiment ten, further, second variometer 2 further includes rotor connecting shaft 24 and electricity Brush 25, the rotor connecting shaft 24 is connect with the first fixed link 2112 of the rotor core 211, and the brush 25 includes copper bearing 251, mounting plate 252, elastic slice 253 and conducting wire 254, the outer ring that copper shaft holds 251 are fixed on the rotor field spider 213, institute The inner ring for stating copper bearing 251 is socketed in the rotor connecting shaft 24, and the mounting plate 252 is fixed on the rotor field spider 213 On, the both ends of the elastic slice 253 are horizontal segment, and centre is arc section, and the horizontal segment at 253 both ends of elastic slice is each attached to described On mounting plate 252, the periphery of the intermediate arc section of the elastic slice 253 is pressed against on the periphery of the rotor connecting shaft 24, institute It states 254 one end of conducting wire to connect with the elastic slice 253, the other end and copper shaft hold 251 connections, described stator coil one end and institute The electrical connection of brush 25 is stated, described rotor coil one end is electrically connected by the rotor connecting shaft 24 with the brush 25.

Specifically, rotor field spider 213 is connect with the outer ring of copper bearing 251, the inner ring of rotor connecting shaft 24 and copper bearing 251 Connection, the other end of conducting wire 254 are also connect with the outer ring of copper bearing 251, and one end of conducting wire 254 is connect with elastic slice 253, elastic slice 253 arc section presses against on the periphery of rotor connecting shaft 24 always under the effect of its own elastic force, one end of rotor coil Be electrically connected with rotor connecting shaft 24, stator coil is electrically connected with brush 25, specifically, stator coil can with outside copper bearing 251 It is used to the screw electrical connection of fixed copper bearing 251, elastic slice 253 on circle, elastic slice 253 or rotor field spider 213, it is, passing through Copper bearing 251 realizes that first resets being electrically connected for subcoil and rotor coil, when brush 25 operates, the inner ring of copper bearing 251 It is relatively rotated between outer ring, copper bearing 251 has certain circle beating degree in itself, also there is a degree of interrupted connection Situation may, using elastic slice 253 always downwards press rotor connecting shaft 24, that is, elastic slice 253 always with rotor connecting shaft 24 There is circle bounce in electrical connection when on the one hand preventing copper bearing 251 from rotating, it is steady to guarantee that 251 inner ring of copper bearing is electrically connected with outer ring Qualitative, 253 combination wire 254 of another aspect elastic slice realizes rotor connecting shaft 24 and rotor field spider 213 from another paths Electrical connection, that is, realize stator coil and be electrically connected again with the second of rotor coil, to make stator coil and rotor coil Between electrical connection stability it is good, guarantee communication equipment operation when signal transmission stability, avoid the occurrence of sparking, arcing phenomenon, The electromagnetic compatibility problems such as electromagnetic interference, electromagnetic radiation caused by avoid because of sparking avoid brush 25 from adhesion, carbonization occur now As improving the service life of communication equipment.

Embodiment 12 provided by the utility model are as follows:

On the basis of embodiment ten, further, the working principle diagram of the variometer is as depicted in figs. 1 and 2, Ball variometer 21 and loading coil 12 are connected in series, and motor rotation drives the variation of 21 inductance of ball variometer, It is detected by two limit switches 27, swings ball variometer 21 between limit on the left position and limit on the right-right-hand limit position when rotating, Realize the fine tuning of inductance；Loading coil 12 divides for multistage, and the inductance of every section of loading coil 12 can be different, can also phase Together, it is connected in series between every section of loading coil 12, in application, every section of loading coil 12 relay in parallel, realizes that every section adds The independent control for feeling coil 12 needs which section loading coil 12 to participate in work, then will control the relay of this section of loading coil 12 Opening realizes the coarse adjustment of inductance；The inductance and loading coil 12 of ball variometer 21 participate in working inductance amount It is added, is exactly the inductance of variometer at this time.

In conclusion the variometer that sensibility reciprocal provided by the utility model is continuously adjustable, passes through loading coil 12 and ball The combination of shape variometer 21 convenient for the accurate adjustment and coarse adjustment of inductance, and realizes a variety of continuously adjustable of inductance, and make Overall inductance amount increases, and keeps variometer precision higher；For two layers of manual coiling of loading coil 12, pass through card line protrusion 111, and step down opening 1111, raised 1112 pairs of loading coils 12 of gear line of cabling thereon position, make loading coil 12 around System is close regular, originates line hole 114 by tap line hole 113, coil, coil terminates line hole 115 to loading coil 12 Tap terminals and both ends positioned, make single coil that can realize the coiling to loading coil 12, add convenient for the manual coiling of batch Feel coil 12, and obtained loading coil 12 precision is high, by loading coil 12 of the relay to single hop whether participate in work into Row control is widely used so that variometer be made to have a variety of variable inductances；Rotor core 211 and stator core 212 have been Whole spherical structure, rotor coil and stator coil carry out coiling according to preset track, convenient for manual coiling, guarantee by hand The precision of inductance when coiling, driven by stepper motor 22 rotated within the scope of rotor core 211 and reciprocal 180 ° of rotor coil into Row inductance is adjusted, and the degree of regulation of inductance is further ensured that by swing rod 26 and limit switch 27, is guaranteed by brush 25 Rotor coil is electrically connected with stator coil, and 25 structural stability of brush is good, and ball variometer 21 is made to realize electricity on the whole Sensibility reciprocal is continuously adjusted, and convenient for manual coiling, convenient for batch craft coiling, inductance accuracy of measurement is high, and 25 performance of brush is steady It is fixed, it is less prone to sparking, arcing phenomenon, communication stability is good, and long service life.

The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Equivalents made based on the specification and figures of the utility model are applied directly or indirectly in relevant technology neck Domain is also included in the patent protection scope of the utility model.

Claims (10)

1. a kind of continuously adjustable variometer of sensibility reciprocal, which is characterized in that can power transformation including the first variometer and second Sensor, first variometer includes loading coil, and the loading coil includes the tap of at least one；Described second can Varindor includes ball variometer, and the ball variometer includes rotor core, rotor coil, stator core, stator Coil, rotor field spider and stator support, the rotor core is spherical in shape, and the spherical surface of the rotor core is distributed with spiral helicine One groove, the rotor coil are wound in first groove, and the stator core is in hollow ball shape, the spherical shape of the stator core Spiral helicine second groove is distributed in surface, and in second groove, the rotor core is mounted on the stator coil winding In the stator core, the centre of sphere of the rotor core is overlapped with the centre of sphere of the stator core, and the one of the rotor core is diametrically equipped with Symmetrical outwardly extending two the first fixed links, the one of the stator core is diametrically equipped with symmetrical two first through hole, described First fixed link passes through the first through hole, and first fixed link and the rotor field spider are rotatablely connected, the stator core with The stator support is fixedly connected；First variometer and second variometer are connected in series, and described second The inductance of variometer is greater than electricity in each section of loading coil of first variometer separated by the tap The maximum value of sensibility reciprocal difference, and the minimum inductance amount being greater than in each section of loading coil of first variometer.

2. the continuously adjustable variometer of sensibility reciprocal according to claim 1, which is characterized in that first variable inductance Device further includes coil rack, and the loading coil is wound on the coil rack, and the coil rack is equipped with multiple along week To card line protrusion arranged side by side, the distance between adjacent described card line protrusion is adapted to the diameter of the loading coil, institute The height and width of stating card line protrusion are respectively less than the diameter of the loading coil, are equipped with one in each card line protrusion and walk Line is stepped down opening, and the loading coil is staggeredly stacked two layers of coiling on the coil rack, positioned at bottom loading coil around System is in the two sides of the card line protrusion, and recline the two adjacent circle loaded lines being wound on positioned at bottom positioned at the loading coil of top layer Between circle, when coiling, every layer of loading coil is skipped in the cabling resigning opening from the side of a card line protrusion The other side.

3. the continuously adjustable variometer of sensibility reciprocal according to claim 2, which is characterized in that each card line protrusion On be equipped with a gear line protrusion, the height of the gear line protrusion is described more than or equal to 2 times of the loading coil diameter Gear line protrusion and the cabling opening of stepping down connect, and the gear line protrusion be located at that cabling resigning is open along direction of winding Front end.

4. the continuously adjustable variometer of sensibility reciprocal according to claim 2, which is characterized in that when coiling loading coil, Odd number circle since the 3rd circle is wound on top layer, other circles are wound on bottom.

5. the continuously adjustable variometer of sensibility reciprocal according to claim 2, which is characterized in that it further include bandage, it is described Coil rack is equipped with inner hole and tap line hole, and the tap line hole is communicated with the inner hole, at each tap It is correspondingly arranged there are two tap line hole, when coiling, bandage passes through two tap line holes, and the tap is pinioned； The end of the coil rack is additionally provided with coil starting line hole and coil terminates line hole, the coil starting line hole and line Circle terminates line hole and communicates with the inner hole of the coil rack, and the inner hole of the coil rack is connected to two end, around When processed, bandage passes through an end of coil starting line hole, inner hole and coil rack, and by the loading coil Starting point pinion, another bandage passes through another end that the coil terminates line hole, inner hole and coil rack, and will The clearing end of the loading coil is pinioned.

6. the continuously adjustable variometer of sensibility reciprocal according to claim 1, which is characterized in that the rotor core is hollow Structure, first fixed link are equipped with the second through-hole as threading hole, the inner cavity company of second through-hole and the rotor core It is logical, it is set on the rotor core there are two cable hole, one end of the rotor coil is protruded into described from cable hole described in one of them The inner cavity of rotor core, then stretches out from one of them second through-hole of first fixed link, and the other end is walked from described in another String holes protrudes into the inner cavity of the rotor core, then stretches out from another second through-hole of first fixed link.

7. the continuously adjustable variometer of sensibility reciprocal according to claim 1 or 6, which is characterized in that the rotor core is Symmetrically arranged two hemisphere rotor cores, two hemisphere rotor cores are provided with the trip and card of detent connection at interface Slot.

8. the continuously adjustable variometer of sensibility reciprocal according to claim 1, which is characterized in that the stator core is symmetrical Two hollow hemisphere stator cores, two hollow hemisphere stator cores are provided with diametrically outwardly extending solid at interface Determine block, the fixed block is equipped with corresponding third through-hole, and the third that screw passes through two hollow hemisphere stator cores is logical Hole is spirally connected with nut.

9. the continuously adjustable variometer of sensibility reciprocal according to claim 1, which is characterized in that second variable inductance Device further includes stepper motor, yielding coupling, swing rod and two limit switches, and the output shaft of the stepper motor passes through the bullet Property shaft coupling be fixedly connected with the first fixed link described in one of them, described swing rod one end and another described first fixed link are solid Fixed connection, the other end touch two limit switches in two extreme positions respectively, and 180 ° in a circumferential direction of the swing rod Reciprocally swinging in range.

10. the continuously adjustable variometer of sensibility reciprocal according to claim 1, which is characterized in that described second can power transformation Sensor further includes rotor connecting shaft and brush, and the rotor connecting shaft is connect with the first fixed link of the rotor core, the electricity Brush includes copper bearing, mounting plate, elastic slice and conducting wire, and the outer ring that copper shaft is held is fixed on the rotor field spider, copper shaft The inner ring held is socketed in the rotor connecting shaft, and the mounting plate is fixed on the rotor field spider, the both ends of the elastic slice For horizontal segment, centre is arc section, and the horizontal segment at the elastic slice both ends is each attached on the mounting plate, the elastic slice middle circle The periphery of segmental arc presses against on the periphery of the rotor connecting shaft, and described conducting wire one end is connect with the elastic slice, the other end It holds and connect with copper shaft, described stator coil one end is electrically connected with the brush, and described rotor coil one end is turned by described Sub- connecting shaft is electrically connected with the brush.