CN206920063U - A kind of capacitive sensing thread tension measuring apparatus - Google Patents

A kind of capacitive sensing thread tension measuring apparatus Download PDF

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Publication number
CN206920063U
CN206920063U CN201720871107.2U CN201720871107U CN206920063U CN 206920063 U CN206920063 U CN 206920063U CN 201720871107 U CN201720871107 U CN 201720871107U CN 206920063 U CN206920063 U CN 206920063U
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China
Prior art keywords
guide wheel
rotation guide
rotation
wheel shaft
fixed
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Expired - Fee Related
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CN201720871107.2U
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Chinese (zh)
Inventor
高奇峰
刘健
吴雄喜
胡红钱
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Zhejiang Industry Polytechnic College
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Zhejiang Industry Polytechnic College
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Priority to CN201720871107.2U priority Critical patent/CN206920063U/en
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Abstract

The utility model discloses a kind of capacitive sensing thread tension measuring apparatus, including fixed disk, rotating disk, fixing axle, fixed disk are connected by fixing axle with rotating disk;The first coaxial annular groove is offered on fixed disk, rotating disk lower surface offers the second coaxial annular groove, fixed pole grillage, rotation pole plate frame are separately installed with first coaxial annular groove and the second coaxial annular groove, fixed pole grillage is connected with fixed polar plate, rotation pole plate frame is connected with rotation pole plate, and fixed polar plate and pole of rotation plate shape are into the pole plate pair with fixed interval (FI);Stator ring is installed, stator ring is connected by linking arm and fixing axle, and the first rotation guide wheel, the second rotation guide wheel are separately installed with rotating disk on sliding block.A kind of capacitive sensing thread tension measuring apparatus described in the utility model, thread tension is converted to the relative rotation angle of inductance capacitance array, changes the area of inductance capacitance, capacitance change is detected by capacitance measurement circuit, so as to react the size of thread tension.

Description

A kind of capacitive sensing thread tension measuring apparatus
Technical field
It the utility model is related to a kind of capacitive sensing thread tension measuring apparatus.
Background technology
Thread tension measurement is an important step in textile technology, and the real-time measurement to thread tension is related to fabric Quality and production efficiency.Tension force is converted to electric signal by the method for tonometry using cantilever beam with strain resistor method mostly. Using capacitive sensing method carry out tonometry, applied in other field, as file CN201110376420, The method using capacitive sensing measuring steel wire rope tension described by CN201110376461.But the tension force that this method measures Change with the gap of capacitor plate, therebetween inversely, linearisation difficulty is larger;And small gap change can cause The larger change of measurement result, easily influenceed by external vibration, impact, it is higher to application environmental requirement, it is not suitable for silk thread The measurement of tension force.
Utility model content
The purpose of this utility model is to provide a kind of capacitive sensing thread tension measuring apparatus, thread tension is converted to The relative rotation angle of inductance capacitance array, change the area of inductance capacitance, capacitance change detected by capacitance measurement circuit, So as to react the size of thread tension.
In order to achieve the above object, the technical solution of the utility model is:
A kind of capacitive sensing thread tension measuring apparatus, including fixed disk, rotating disk, fixing axle, the fixed disk pass through Fixing axle is connected with rotating disk;The first coaxial annular groove of more than 1, the rotating disk lower surface are offered on the fixed disk The second coaxial annular groove of more than 1 is offered, is separately installed with the first coaxial annular groove and the second coaxial annular groove Fixed pole grillage, rotation pole plate frame, and the fixed pole grillage is installed with rotation pole plate frame interval, the fixed pole grillage with it is solid Fixed plate is connected, and the rotation pole plate frame is connected with rotation pole plate, and fixed polar plate and the pole of rotation plate shape is into between fixation The pole plate pair of gap;The rotating disk upper surface offers arcuate furrow, and sliding block, spring are separately installed with the arcuate furrow, The spring one end is connected with sliding block, and the spring other end is connected with the arcuate furrow madial wall of rotating disk;On the sliding block Stator ring is installed, the stator ring is connected by linking arm and fixing axle, and first is separately installed with the rotating disk Rotate guide wheel, the second rotation guide wheel.
Described first rotates the angle of line between line and the second rotation guide wheel and fixing axle between guide wheel and fixing axle For 90 degree.
The arcuate furrow be a quarter annulus, and it is described first rotation guide wheel and second rotation guide wheel guide wheel shaft Heart line is located on same annulus with arcuate furrow.
Shielding case is installed outside the fixed disk, screening cover, the shielding case and screening cover are installed outside the rotating disk It is connected, arcuate socket is offered on the screening cover.
The fixing axle includes the shaft shoulder, and the shaft shoulder is connected with first step post, the first step post and second step Post is connected, and the second step post is connected with the 3rd step post, and the 3rd step post is connected with threaded rod, the 3rd step The first keyway is offered on post;The fixed disk is co-axially mounted with fixing axle, and fixed disk is arranged on first step post;It is described Second step post is connected with the inner ring of bearing, and the outer ring of the bearing is connected with rotating disk.
The first stationary positioned pin hole is offered in the fixed disk side wall, is offered in the fixed pole grillage lower wall Two stationary positioned pin holes, the fixed disk pass through the first stationary positioned pin hole, the second stationary positioned pin hole by stationary positioned pin It is connected afterwards with fixed pole grillage, fixed polar plate is bonded with the fixed pole grillage;First is offered in the rotating disk side wall Rotational positioning pin hole, described rotate offer the second rotational positioning pin hole on pole plate frame upper side wall, and the rotating disk passes through rotation Pilot pin is connected after passing through the first rotational positioning pin hole, the second rotational positioning pin hole with rotation pole plate frame, the rotation pole plate frame On be bonded with rotation pole plate.
Described linking arm one end offers the first axis hole, and the second keyway is offered on the first axis hole madial wall, described First axis hole is mounted on the 3rd step post, and key, the first axle are provided with second keyway and the first keyway Locking nut is installed, the locking nut is pushed against with linking arm and installed on the threaded rod above hole;The linking arm other end Offer the second axis hole.
Stator ring axle is installed, the stator ring axle includes stator ring axle thread bar, described solid on the sliding block Determine guide wheel shaft threaded rod with stator ring axle hexagon prism to be connected, the stator ring axle hexagon prism and the first stator ring axle optical axis It is connected, the first stator ring axle optical axis is connected with the second stator ring axle optical axis;The stator ring axle thread bar and cunning Block is connected, and the first stator ring axle optical axis is connected after passing through the second axis hole with linking arm, the second stator ring axle light Stator ring is installed on axle.
First rotation guide wheel shaft is installed, the first rotation guide wheel shaft includes the first rotation guide wheel shaft in the rotating disk Threaded rod, the first rotation guide wheel shaft threaded rod are connected with the first rotation guide wheel shaft hexagon prism, the first rotation guide wheel shaft Hexagon prism is connected with the first rotation guide wheel shaft optical axis;The first rotation guide wheel shaft threaded rod is connected with rotating disk, and described first The first rotation guide wheel is installed on rotation guide wheel shaft optical axis.
Second rotation guide wheel shaft is installed, the second rotation guide wheel shaft includes the second rotation guide wheel shaft in the rotating disk Threaded rod, the second rotation guide wheel shaft threaded rod are connected with the second rotation guide wheel shaft hexagon prism, the second rotation guide wheel shaft Hexagon prism is connected with the second rotation guide wheel shaft optical axis;The second rotation guide wheel shaft threaded rod is connected with rotating disk, and described second The second rotation guide wheel is installed on rotation guide wheel shaft optical axis.
The beneficial effects of the utility model are:(1)The utility model improves inductance capacitance using capacitor plate array format Structure, the induction area being effectively increased, improve the sensitivity of measurement;(2)Thread tension is converted to the phase of capacitor plate To the anglec of rotation, change induction area, avoid pole plate space change caused by nonlinear problem, improve the stabilization of signal Property, reduce the difficulty of signal transacting.
Brief description of the drawings
Fig. 1 is unshielded component structure diagram of the present utility model;
Fig. 2 is the utility model section view;
Fig. 3 is fixed axle structure schematic diagram;
Fig. 4 is fixed disk structural representation;
Fig. 5 is inductance capacitance structural representation;
Fig. 6 is rotating disk top surface structure schematic diagram;
Fig. 7 is rotating disk bottom surface structure schematic diagram;
Fig. 8 is stator ring axle construction schematic diagram;
Fig. 9 is the first rotation guide wheel shaft structural representation;
Figure 10 is the second rotation guide wheel shaft structural representation;
Figure 11 positions linking arm structural representation;
Figure 12 is shielding case structural representation;
Figure 13 is screening cover structural representation;
Figure 14 is capacitance connection schematic diagram;
Figure 15 is coiling initial position schematic diagram;
Figure 16 is position view after rotating disk turns an angle.
Embodiment
Embodiment 1
As shown in Figure 1, Figure 2, shown in Fig. 4, Fig. 5, Fig. 6, Fig. 7, a kind of capacitive sensing thread tension measuring apparatus, including fixed disk 1st, rotating disk 2, fixing axle 3, the fixed disk 1 are connected by fixing axle 3 with rotating disk 2;1 is offered on the fixed disk 1 The first coaxial annular groove 11 above, the lower surface of rotating disk 2 offers the second coaxial annular groove 21 of more than 1, described Fixed pole grillage 41, rotation pole plate frame 42, and institute are separately installed with first coaxial annular groove 11 and the second coaxial annular groove 21 State fixed pole grillage 41 to install with rotation pole plate frame 42 interval, the fixed pole grillage 41 is connected with fixed polar plate 43, the rotation Turn pole plate frame 42 with rotation pole plate 44 to be connected, the fixed polar plate 43 forms the pole plate with fixed interval (FI) with rotation pole plate 44 It is right;The upper surface of rotating disk 2 offers arcuate furrow 22, and sliding block 23, spring 24 are separately installed with the arcuate furrow 22, Described one end of spring 24 is connected with sliding block 23, and spring base is provided with the arcuate furrow 22 of the rotating disk 2, and the spring 24 is another One end is connected with spring base;Stator ring 4 is installed, the stator ring 4 passes through linking arm 5 and fixing axle on the sliding block 23 3 are connected, and the first rotation guide wheel 6, second rotation guide wheel 7 is separately installed with the rotating disk 2.Fixed disk 1, rotating disk 2, fix Pole plate frame 41 and rotation pole plate frame 42 are made using insulating materials.Fixed polar plate 43, rotation pole plate 44 use copper foil or aluminium foil Make, and in surface spraying aluminum oxide, make its surface insulation.
Line between line and the second rotation guide wheel 7 and fixing axle 3 between the first rotation guide wheel 6 and fixing axle 3 Angle is 90 degree.
The arcuate furrow 22 is the annulus of a quarter, and the first rotation guide wheel 6 and second rotates leading for guide wheel 7 Wheel axial line is located on same annulus with arcuate furrow 22.
As shown in Figure 12 and Figure 13, shielding case 91 is installed outside the fixed disk 1, screening cover is installed outside the rotating disk 2 92, the shielding case 91 is connected with screening cover 92, and arcuate socket 93 is offered on the screening cover 92.The bottom plate of shielding case 91 opens center Hole, four circular holes are opened around centre bore, it is corresponding with four screwed holes on four circular holes on the shaft shoulder 31 of fixing axle 3 and fixed disk 1. Shielding case 91 is installed between the shaft shoulder 31 of fixing axle 3 and fixed disk 1, is fixed three by screw.Screening cover 92 includes top plate And shirt rim, top plate diameter are more than the side wall diameter of shielding case 91, the side wall of shielding case 91 is embedded in the shirt rim of screening cover 92, and closely Contact.After screening cover 92 is installed, stator ring axle 61 is in edge circular hole, make the first rotation guide wheel shaft 71 and the second guide wheel Axle 81 is in arcuate socket.Shielding case 91 is made with screening cover 92 using conductor material.
As shown in figure 3, the fixing axle 3 includes the shaft shoulder 31, four circular holes are opened on the end face of the shaft shoulder 31;The centre bore of fixed disk 1 It is corresponding with four circular holes on the shaft shoulder 31 of fixing axle 3 that surrounding opens four screwed holes.The shaft shoulder 31 is connected with first step post 32, The first step post 32 is connected with second step post 33, and the second step post 33 is connected with the 3rd step post 34, and described Three step posts 34 are connected with threaded rod 35, and the first keyway 36 is offered on the 3rd step post 34;The fixed disk 1 is with fixing Axle 3 is co-axially mounted, and fixed disk 1 is arranged on first step post 32;The second step post 33 is connected with the inner ring of bearing 37, The outer ring of the bearing 37 is connected with rotating disk 2.
The first stationary positioned pin hole 12 is offered in the side wall of fixed disk 1, is opened in the lower wall of fixed pole grillage 41 Provided with the second stationary positioned pin hole 13, the fixed disk 1 is solid through the first stationary positioned pin hole 12, second by stationary positioned pin It is connected after determining positioning pinholes 13 with fixed pole grillage 41, fixed polar plate 43 is bonded with the fixed pole grillage 41;The rotation The first rotational positioning pin hole 25 is offered in the side wall of disk 2, the second rotational positioning is offered on the rotation upper side wall of pole plate frame 42 Pin hole 26, the rotating disk 2 by rotational positioning pin through the first rotational positioning pin hole 25, after the second rotational positioning pin hole 26 with Rotate pole plate frame 42 to be connected, rotation pole plate 44 is bonded with the rotation pole plate frame 42.
As shown in figure 11, described one end of linking arm 5 offers the first axis hole 51, is opened up on the madial wall of the first axis hole 51 There is the second keyway 52, first axis hole 51 is mounted on the 3rd step post 34, and the key of second keyway 52 and first Key 53 is installed in groove 36, locking nut 55, the locking nut are installed on the threaded rod 35 of the top of the first axis hole 51 55 push against installation with linking arm 5;The other end of linking arm 5 offers the second axis hole 54.
As shown in figure 8, being provided with stator ring axle 61 on the sliding block 23, the stator ring axle 61 includes stator ring Axle thread bar 62, the stator ring axle thread bar 62 are connected with stator ring axle hexagon prism 63, the stator ring axle hexagonal Post 63 is connected with the first stator ring axle optical axis 64, the first stator ring axle optical axis 64 and the second stator ring axle optical axis 65 It is connected;The stator ring axle thread bar 62 is connected with sliding block 23, and the first stator ring axle optical axis 64 passes through the second axis hole It is connected after 54 with linking arm 5, stator ring 4 is installed on the second stator ring axle optical axis 65.
As shown in figure 9, being provided with the first rotation guide wheel shaft 71 in the rotating disk 2, the first rotation guide wheel shaft 71 wraps Include the first rotation guide wheel shaft threaded rod 72, the first rotation guide wheel shaft threaded rod 72 and the phase of the first rotation guide wheel shaft hexagon prism 73 Even, the first rotation guide wheel shaft hexagon prism 73 is connected with the first rotation guide wheel shaft optical axis 74;The first rotation guide wheel shaft spiral shell Rasp bar 72 is connected with rotating disk 2, and the first rotation guide wheel 6 is provided with the first rotation guide wheel shaft optical axis 74.
As shown in Figure 10, the second rotation guide wheel shaft 81 is installed, the second rotation guide wheel shaft 81 wraps in the rotating disk 2 Include the second rotation guide wheel shaft threaded rod 82, the second rotation guide wheel shaft threaded rod 82 and the phase of the second rotation guide wheel shaft hexagon prism 83 Even, the second rotation guide wheel shaft hexagon prism 83 is connected with the second rotation guide wheel shaft optical axis 84;The second rotation guide wheel shaft spiral shell Rasp bar 82 is connected with rotating disk 2, and the second rotation guide wheel 7 is provided with the second rotation guide wheel shaft optical axis 84.
As shown in Figure 14, Figure 15, Figure 16, a kind of capacitive sensing thread tension measuring apparatus operation principle:Device completes peace After dress, each pole plate on fixed polar plate 43 is joined together to form to a pole of inductance capacitance with wire, rotated on pole plate 44 Each pole plate is joined together to form another pole of inductance capacitance with wire.During initial position, fixed polar plate 43 and rotation pole plate 44 positions are identical, and the area of inductance capacitance is maximum, and capacitance is also maximum.During rotation, stator ring axle 61 makes sliding block 23 fix not Dynamic, spring 24 then fix by one end, and the other end rotates together with rotating disk 2, so that spring 24 compresses.Silk thread is bypassed respectively Stator ring 4, first rotates guide wheel 6, second and rotates guide wheel 7, then can produce turning moment to rotary components, and drive it to bullet The direction that spring 24 compresses rotates, until reaching balance with the compression stress of spring 24.Thread tension is bigger, and caused turning moment is got over Greatly, then the rotational angle of rotating disk 2 is bigger.Rotating disk 2, which rotates, drives pole of rotation plate 44 to produce dislocation, makes the face of inductance capacitance Product reduces, and capacitance reduces.Told as before, thread tension is bigger, and the rotational angle of rotating disk 2 is bigger, then the face of inductance capacitance Product is smaller, and capacitance variation is bigger.Pass through capacitance measurement circuit(CV circuits)Capacitance change is can accurately measure, so as to be converted to Thread tension size.In addition, in inductance capacitance is enclosed in by shielding case 91 and screening cover 92, external electromagnetic interference is reduced to sensing The influence of electric capacity.
A kind of capacitive sensing thread tension measuring apparatus of the present embodiment, inductance capacitance array is converted to by thread tension Relative rotation angle, change the area of inductance capacitance, capacitance change is detected by capacitance measurement circuit, so as to react silk thread The size of power.

Claims (9)

  1. A kind of 1. capacitive sensing thread tension measuring apparatus, it is characterised in that:Including fixed disk(1), rotating disk(2), fixing axle (3), the fixed disk(1)Pass through fixing axle(3)With rotating disk(2)It is connected;The fixed disk(1)On offer more than 1 First coaxial annular groove(11), the rotating disk(2)Lower surface offers the second coaxial annular groove of more than 1(21), it is described First coaxial annular groove(11)With the second coaxial annular groove(21)Inside it is separately installed with fixed pole grillage(41), rotation pole plate frame (42), and the fixed pole grillage(41)With rotating pole plate frame(42)Interval installation, the fixed pole grillage(41)With fixed pole Plate(43)It is connected, the rotation pole plate frame(42)With rotating pole plate(44)It is connected, the fixed polar plate(43)With rotating pole plate (44)Form the pole plate pair with fixed interval (FI);The rotating disk(2)Upper surface offers arcuate furrow(22), the arc ditch Groove(22)Inside it is separately installed with sliding block(23), spring(24), the spring(24)One end and sliding block(23)It is connected, the spring (24)The other end and rotating disk(2)Arcuate furrow(22)Madial wall is connected;The sliding block(23)On stator ring is installed (4), the stator ring(4)Pass through linking arm(5)With fixing axle(3)It is connected, the rotating disk(2)On be separately installed with first Rotate guide wheel(6), second rotation guide wheel(7);The fixed disk(1)Shielding case is installed outside(91), the rotating disk(2)Outer peace Equipped with screening cover(92), the shielding case(91)With screening cover(92)It is connected, the screening cover(92)On offer arcuate socket (93).
  2. A kind of 2. capacitive sensing thread tension measuring apparatus according to claim 1, it is characterised in that:First rotation Guide wheel(6)And fixing axle(3)Between line and second rotation guide wheel(7)And fixing axle(3)Between the angle of line be 90 degree.
  3. A kind of 3. capacitive sensing thread tension measuring apparatus according to claim 2, it is characterised in that:The arcuate furrow (22)For the annulus of a quarter, and the first rotation guide wheel(6)With the second rotation guide wheel(7)Guide wheel axial line and arc Groove(22)On same annulus.
  4. A kind of 4. capacitive sensing thread tension measuring apparatus according to claim 1, it is characterised in that:The fixing axle (3)Including the shaft shoulder(31), the shaft shoulder(31)With first step post(32)It is connected, the first step post(32)With second step Post(33)It is connected, the second step post(33)With the 3rd step post(34)It is connected, the 3rd step post(34)With threaded rod (35)It is connected, the 3rd step post(34)On offer the first keyway(36);The fixed disk(1)With fixing axle(3)Coaxially Installation, and fixed disk(1)Installed in first step post(32)On;The second step post(33)With bearing(37)Inner ring phase Even, the bearing(37)Outer ring and rotating disk(2)It is connected.
  5. A kind of 5. capacitive sensing thread tension measuring apparatus according to claim 1, it is characterised in that:The fixed disk (1)The first stationary positioned pin hole is offered in side wall(12), the fixed pole grillage(41)The second fixation is offered in lower wall Positioning pinholes(13), the fixed disk(1)First stationary positioned pin hole is passed through by stationary positioned pin(12), the second stationary positioned Pin hole(13)Afterwards with fixed pole grillage(41)It is connected, the fixed pole grillage(41)On be bonded with fixed polar plate(43);The rotation Rotating disk(2)The first rotational positioning pin hole is offered in side wall(25), the rotation pole plate frame(42)Second is offered on upper side wall Rotational positioning pin hole(26), the rotating disk(2)First rotational positioning pin hole is passed through by rotational positioning pin(25), second rotation Positioning pinholes(26)Afterwards with rotating pole plate frame(42)It is connected, the rotation pole plate frame(42)On be bonded with rotation pole plate(44).
  6. A kind of 6. capacitive sensing thread tension measuring apparatus according to claim 1, it is characterised in that:The linking arm (5)One end offers the first axis hole(51), first axis hole(51)The second keyway is offered on madial wall(52), described first Axis hole(51)It is mounted on the 3rd step post(34)On, and second keyway(52)With the first keyway(36)Key is inside installed (53), first axis hole(51)The threaded rod of top(35)On locking nut is installed(55), the locking nut(55)With Linking arm(5)Push against installation;The linking arm(5)The other end offers the second axis hole(54).
  7. A kind of 7. capacitive sensing thread tension measuring apparatus according to claim 1, it is characterised in that:The sliding block(23) On stator ring axle is installed(61), the stator ring axle(61)Including stator ring axle thread bar(62), the fixation leads Wheel shaft bar(62)With stator ring axle hexagon prism(63)It is connected, the stator ring axle hexagon prism(63)Fix and lead with first Wheel shaft optical axis(64)It is connected, the first stator ring axle optical axis(64)With the second stator ring axle optical axis(65)It is connected;It is described Stator ring axle thread bar(62)With sliding block(23)It is connected, the first stator ring axle optical axis(64)Through the second axis hole(54) Afterwards with linking arm(5)It is connected, the second stator ring axle optical axis(65)On stator ring is installed(4).
  8. A kind of 8. capacitive sensing thread tension measuring apparatus according to claim 1, it is characterised in that:The rotating disk (2)On the first rotation guide wheel shaft is installed(71), the first rotation guide wheel shaft(71)Including the first rotation guide wheel shaft threaded rod (72), the first rotation guide wheel shaft threaded rod(72)With the first rotation guide wheel shaft hexagon prism(73)It is connected, first rotation Guide wheel shaft hexagon prism(73)With the first rotation guide wheel shaft optical axis(74)It is connected;The first rotation guide wheel shaft threaded rod(72)With rotation Rotating disk(2)It is connected, the first rotation guide wheel shaft optical axis(74)On the first rotation guide wheel is installed(6).
  9. A kind of 9. capacitive sensing thread tension measuring apparatus according to claim 1, it is characterised in that:The rotating disk (2)On the second rotation guide wheel shaft is installed(81), the second rotation guide wheel shaft(81)Including the second rotation guide wheel shaft threaded rod (82), the second rotation guide wheel shaft threaded rod(82)With the second rotation guide wheel shaft hexagon prism(83)It is connected, second rotation Guide wheel shaft hexagon prism(83)With the second rotation guide wheel shaft optical axis(84)It is connected;The second rotation guide wheel shaft threaded rod(82)With rotation Rotating disk(2)It is connected, the second rotation guide wheel shaft optical axis(84)On the second rotation guide wheel is installed(7).
CN201720871107.2U 2017-07-18 2017-07-18 A kind of capacitive sensing thread tension measuring apparatus Expired - Fee Related CN206920063U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720871107.2U CN206920063U (en) 2017-07-18 2017-07-18 A kind of capacitive sensing thread tension measuring apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720871107.2U CN206920063U (en) 2017-07-18 2017-07-18 A kind of capacitive sensing thread tension measuring apparatus

Publications (1)

Publication Number Publication Date
CN206920063U true CN206920063U (en) 2018-01-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107314850A (en) * 2017-07-18 2017-11-03 浙江工业职业技术学院 A kind of capacitor induction type thread tension measurement apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107314850A (en) * 2017-07-18 2017-11-03 浙江工业职业技术学院 A kind of capacitor induction type thread tension measurement apparatus
CN107314850B (en) * 2017-07-18 2023-04-25 浙江工业职业技术学院 Capacitive induction type silk thread tension measuring device

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