CN1415931A - Rolling digital displayed capacitor caliper with - Google Patents

Rolling digital displayed capacitor caliper with Download PDF

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Publication number
CN1415931A
CN1415931A CN 02145659 CN02145659A CN1415931A CN 1415931 A CN1415931 A CN 1415931A CN 02145659 CN02145659 CN 02145659 CN 02145659 A CN02145659 A CN 02145659A CN 1415931 A CN1415931 A CN 1415931A
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CN
China
Prior art keywords
base
plate
roller
digital
grid
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CN 02145659
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Chinese (zh)
Inventor
赵志强
赵飙
Original Assignee
赵飙
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Priority to CN 02145659 priority Critical patent/CN1415931A/en
Publication of CN1415931A publication Critical patent/CN1415931A/en

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00Instruments as specified in the subgroups and characterised by the use of mechanical measuring means
    • G01B3/20Slide gauges
    • G01B3/205Slide gauges provided with a counter for digital indication of the measured dimension

Abstract

This invention relates to a condenser digital display caliber rule which is to turn the linear relative shifts of a primary and a sub rule into angle shift of a roller to be converted into electric signal via emitter plate, receiving electrode plate and grid plate then to be processed by digit-to-analog conversion circuit and single chip processor to display the displacement on screen in digits, and a closed cavity is formed between the case and base with the emitter plate, receiver electrode plate, grid plate, digit-to-analog conversion circuit, single chip, cell display screen, function keys in it, all elements are isolated from outside having the effect if dust-proof, oil-proof and water-proof.

Description

滚动电容数显卡尺 Scroll capacitive digital calipers

技术领域 FIELD

:本发明涉及一种电容式数显卡尺。 : The present invention relates to a capacitive digital calipers.

本发明的技术方案是: Aspect of the present invention is:

1、在卡尺的主尺上安装一条滑轨,在副尺上安装一底座,底座上装有一带滚轴的支座,滚轴依靠两轴承安装在支座上,滚轴一端通过底座上的孔延伸出去,通过弹性物体将支座上滚轴的延伸部分压在主尺滑轨上,由于摩擦力的作用,当主尺和副尺相对运动时,滚轴在滑轨上作无滑移的滚动,将主、副尺之间的相对直线位移转换为滚轴的角位移。 1, mounted on a slide caliper main scale, mounted on a base vernier, along with roller bearings on the base, relying on two roller bearings mounted on a carriage, the hole on the base end by a roller extending out of the extension portion on the support roller by the elastic body is pressed against the main rail foot, due to friction, when the main scale and the vernier relative motion, rollers for rolling on the rail without slippage converting a relative linear displacement between the primary and secondary scale angular displacement of the rollers.

2、在上述底座上的支座上安装有发射极板和接收极板,两极板中间有垫片保持它们之间的工作间隙,,在发射极板和接受极板之间安装一随滚轴同步转动的栅板,通过栅板的转动使接受极板上的电信号发生有规律的改变,该信号通过数模转换集成电路变为数字信号再传送到单片机上进行运算和处理。 2, on the support base on said mounting plate and transmit intermediate receiving plate, the two plates holding shim ,, working gap therebetween with a roller installed between the transmitting plate and receiving plate synchronous rotation of the grid plate, by rotating the grid plate so that the plates to accept an electrical signal regularly changed, the signal is then transmitted to the microcontroller for computing and processing by digital to analog conversion integrated circuit into a digital signal.

3、在上述底座上安装有一罩壳,在罩壳与底座的结合处都安有密封胶条,在底座的滚轴穿孔处,底座与支座之间安有一密封胶圈,从而在罩壳与底座之间形成一密闭空腔,发射极板、接受极板、栅板、数模转换电路、单片机、电池、显示屏、功能按键等放置在这一空腔内,使所有元件与外界隔绝,起到防油、防尘、防水的效果。 3, is mounted on the base having a housing, there are safety sealing strip at the junction of the housing and the base, the roller base perforation, there is a safety gasket between the base and the support, whereby the housing forming a closed cavity between the base, the emitter electrode plate, receiving the plate, a grid, a digital to analog conversion circuit, a microcontroller, a battery, a display screen, function keys and the like disposed in the cavity, so that all of the elements and isolated, play anti-oil, dust, water effect.

本发明与现有技术相比的优点在于:1、滚动摩擦付较齿轮付结构简单,制作成本低。 Advantage of the invention compared to the prior art in that: a rolling friction gear pairs pay relatively simple structure and low manufacturing cost.

2、发射极板、接受极板、栅板、数模转换电路、单片机、电池、显示屏、功能按键等元件被底座与罩壳封闭,有效解决电容数显卡尺对污染物敏感的问题3、发射极板和接收极板均为固定件,它们之间的工作间隙稳定不变,栅片转动、栅片跳动不影响其工作间隙,大大降低了运动精度对传感器测量精度的影响。 2, the emission electrode plate, receiving the plate, a grid, a digital to analog conversion circuit, a microcontroller, a battery, a display screen, buttons and other functional elements of the base and the housing is closed, the number of capacitance effective solution Caliper contaminant sensitive issue 3, transmitting plate and receiving plate member are fixed, the working gap between them is constant and the rotation of the gate plate, the gate does not affect the jitter sheet working gap, minimizing the influence on the movement accuracy of the sensor measurement accuracy.

本发明附图说明 The invention will be described

图1是本发明的主视图图2是本发明的AA向剖视图图3是本发明的BB向剖视图图4是本发明的CC向剖视图以下是参照附图来描述本发明的较佳实施例。 FIG. 1 is a front view of the present invention 2 is an AA of the present invention to a cross-sectional view of FIG. 3 is a BB of the present invention to a cross-sectional view of FIG. 4 is a CC of the present invention to a cross-sectional view of the following with reference to the accompanying drawings preferred description of the present embodiment of the invention.

如图1、2、3、4所示本发明包括有主尺(1)、副尺(2)、罩壳(3)示窗玻璃(4)、电池盖(5)、滑轨(6)、深度尺杆(7)、功能按键(8)、接受极板(9)、栅板(10)、发射极板(11)、支座压板(12)、支座(13)、功能线路板(14)、底座(15)、密封胶条(16)、密封胶圈(17)、轴承压板(18)、轴承(19)、滚轴(20)、垫片(21)、刮尘片(22)、压紧弹簧(23)、显示屏(24)、电池(25)、电池密封胶圈(26)等,其中主尺(1)上固定有一滑轨(6),副尺(2)中间有一凹槽,底座(15)安在副尺(2)的凹槽上形成一通道,主尺(1)穿过这一通道,使副尺(2)可在主尺(1)的长度方向上作相对运动,底座(15)上有一四周封闭的凹槽,支座(13)放置在凹槽内,且凹槽的长度方向的尺寸与支座(13)的尺寸为滑动配合,支座(13)可在凹槽内前后移动,但不会左右移动,支座(13)的上面有一支座压板(12)将其限制在凹槽内,以防止支座(13)上下窜动,发 The present invention is illustrated in FIG. 3, 4 comprises a main scale (1), vernier (2), the housing (3) shows the glazing (4), the battery cover (5), rails (6) , depth gauge rod (7), function keys (8), receiving plate (9), grid plate (10), transmitting plate (11), the support plate (12), the support (13), the function circuit board (14), the base (15), a sealing strip (16), sealing gasket (17), a bearing plate (18), a bearing (19), rollers (20), the spacer (21), scraper blade ( 22), a fixed rail (6), vernier (2) on a compression spring (23), the display (24), a battery (25), the battery sealing gasket (26) or the like, wherein the main scale (1) a middle recess, the base (15) a security channel is formed on the groove vernier (2), the main scale (1) through this passage, so that a vernier (2) the length of the main scale (1) the direction of relative movement, with a base (15) closed recesses fourteen weeks, the carrier (13) is placed in the groove, and the size and dimensions of the support (13) in the longitudinal direction of the groove is a sliding fit, branched, seat (13) is movable back and forth within the groove, but a base plate (12) which limits the recess will not move around within the abutment (13) above, move up and down in order to prevent the seat (13) ,hair 极板(11)和一接收极板(9)固定在支座(13)上,发射极板(11)和一接收极板(9)之间垫有一环形垫片(21),使发射极板(11)和一接收极板(9)的距离被固定,发射极板(11)和一接收极板(9)之间有一圆形的栅板(10),栅板(10)可在发射极板(11)和一接收极板(9)之间自由转动,在支座中间有一通孔,孔内装有两枚轴承(19),轴承(19)中间穿有一滚轴(20),轴承(19)的外圈和内圈分别与支座(13)和滚轴(20)为紧配合,两轴承(19)之间有一弹簧垫圈(27),两轴承(19)的外端分别用底座(15)和轴承压板(18)压紧,以防止轴承(19)在孔内窜动和消除轴承(19)本身的间隙,滚轴(20)的一端穿过底座(15)的通孔延伸出去,其延伸部分与主尺(1)上的滑轨(6)接触滚轴(20)的另一端穿过轴承压板(18),端头与发射极板(11)和一接收极板(9)之间的栅板(10)固定,栅板(10)与滚轴(20)同步转动,在垂直于主尺(1)、副尺(2)相对移 Plate (11) and a receiving plate (9) is fixed to the support (13), transmitting plate (11) and between a receiving plate (9) has an annular cushion pad (21) and the emitter there are plates (11) and receiving from a plate (9) is fixed, the transmission plate (11) and a receiving plate (9) between a circular grid plate (10), grid plate (10) can be transmitting plate (11) and between a receiving plate (9) freely rotatable, a through hole in the middle seat, with two bearing bore (19), a bearing (19) pierced with an intermediate roller (20), a bearing (19) of the outer and inner races, respectively, with the abutment (13) and roller (20) is a tight fit, there is a spring washer (27) between two bearings (19), the outer ends of the two bearings (19) respectively with a base (15) and a bearing plate (18) pressed against the bearing (19) in the bearing bore and eliminating traverse (19) of the gap itself, one end of the roller (20) through the base (15) through apertures extending out rail (6) on (1) which extends the other end portion in contact with the roller main scale (20) through the bearing plate (18), the emitter tip plate (11) and a receiving electrode grid plate (10) between (9) is fixed, grid plate (10) and the roller (20) rotate synchronously, perpendicular to the main scale (1), vernier (2) relative movement 动方向的方向上底座(15)与支座(13)之间有一压紧弹簧(23),使支座(13)上的滚轴(20)始终与在主尺(1)上的滑轨(6)紧接触,可有效防止滚轴(20)与滑轨(6)之间发生滑移现象,通过以上描述我们可以清楚的看到,当主尺(1)与副尺(2)发生相对移动时,主尺(1)上的滑轨(6)与副尺(2)上的滚轴(20)也会发生相对移动,由于滚轴(20)与滑轨(6)是滑动接触,与支座(13)是滚动接触,众所周知滑动接触的摩擦力要远大于滚动接触的摩擦力,所以滚轴(20)只会在滑轨(6)上滚动,而直线移动的距离等于滚轴(20)的周长乘以转动的圈数,这样我们可以很容易的将直线方向的位移转换为滚轴(20)的角度位移,并通过与滚轴(20)同步转动的栅板(10)将滚轴(20)的角度位移变为接收极板(9)上的电信号的变化,再将电信号通过接受极板(9)上的数模转换集成电路转换为数字信号,并由导线(或导电软带)传 A compression spring (23) between the base (15) and the support (13) in the direction of moving direction of the support roller (20) (13) and is always on the main rail foot (1) (6) tight contact can effectively prevent occurrence of slippage between the rollers (20) and rails (6), described above, we can clearly see that, when the main scale (1) and the sub scale (2) relative to occur when moving rail (6) and the sub-roller foot (20) (2) (1) also relative movement of the main scale, since the rollers (20) and rails (6) is in sliding contact, and support (13) is in rolling contact, sliding contact known rolling contact frictional force much larger than the frictional force, so that the roller (20) will roll on the rail (6), while the linear movement of the roller is equal to the distance the number of turns (20) multiplied by the circumference of rotation, so that we can easily convert the linear displacement direction of the roller (20) angular displacement, and by rollers (20) synchronously rotating the grid plate (10 ) the roller (20) becomes the angular displacement signal changes on the receiving plate (9), and then an electric signal by digital-analog conversion on the conversion integrated circuit receiving plate (9) into a digital signal by wires (or conductive flexible tape) pass 给功能线路(14)上的单片机,由单片机将处理结果通过导线(或导电软带)发送到显示屏或由功能按键(8)对单片机作出运算指令。 On the function of the line to the microcontroller (14), the microcontroller transmits the processing result to the display by wires (or conductive flexible tape) or to operation instructions by a microcontroller function keys (8).

再如图2、3、4所示在底座(15)上有一罩壳(3),罩壳(3)上有示窗玻璃(4)和电池盖(5),示窗玻璃(4)用密封胶或其他防水型粘接剂与罩壳(3)粘接,电池盖(5)可用卡槽或螺钉与罩壳(3)连接,在电池盖(5)与罩壳(3)连结处有一电池密封胶圈(26),罩壳(3)上还开有按键孔,功能按键(8)由橡胶制成,其裙边既是密封胶圈,可防止油、水或其他物质通过按键孔进入到罩壳(3)内,罩壳(3)与底座(15)的结合处安有密封胶条(16),在底座(15)的滚轴穿孔处,底座(15)与支座(13)之间也安有密封胶圈(17),从而在底座(15)与罩壳(3)之间形成一封闭腔体,发射极板(11)、接受极板(9)、栅板(10)、数模转换电路、单片机、电池(25)、显示屏(24)、功能按键(8)等放置在这一空腔内,使所有元件与外界隔绝,起到防油、防尘、防水的效果。 Note that a housing (3), the housing (3) there is shown a window glass (4) and the battery cover (5) in FIG upper base (15), 3, 4, illustrating the glazing (4) waterproof sealant or other adhesive and the housing (3) bonding, the battery cover (5) or a screw slot available and the housing (3) is connected to the battery lid (5) and the housing (3) at the junction the battery has a sealing gasket (26), the housing (3) further has a key hole opening, function keys (8) is made of rubber, which is both a skirt gasket to prevent oil, water or other substances through the key hole into the housing (3), in conjunction with the safety housing (3) and the base (15) a sealing strip (16), the base perforation roller (15), the base (15) and the support ( there are also safety between 13) sealing gasket (17), thereby forming a closed cavity between the base (15) and the housing (3), the emission plate (11), receiving plate (9), the grid plate (10), digital to analog conversion circuit, a microcontroller, a battery (25), the display (24), function keys (8) or the like is placed in the cavity so that all elements and isolated, play oil, dust, waterproof effect. 在底座(15)的底部安装有深度尺杆(7)和刮尘片(22),深度尺杆(7)可用于台阶和深度测量,刮尘片(22)位于滚轴(20)的两边,在主尺(1)、副尺(2)相对移动时,刮尘片(22)起到清洁滑轨(6)的作用,以防止滑轨(6)的灰尘影响测量数据的准确性。 Mounting depth on both sides in the ruler bar (7) at the bottom of the base (15) and a scraper blade (22), depth gauge rod (7) and can be used for depth measurement step, scraper blade (22) positioned rollers (20) when the main scale (1), vernier (2) relatively moving scraper blade (22) functions as a cleaning slide (6) to prevent the rail (6) dust affect measurement accuracy of the data.

Claims (3)

1.一种电容式数显卡尺,由主尺、副尺、数模转换电路、单片机、发射极板和接收极板等部件构成,其特征在于包括:在卡尺的主尺上安装一条滑轨,在副尺上安装一底座,底座上装有一带滚轴的支座,滚轴依靠两滚轴承安装在支座上,滚轴一端通过底座上的孔延伸出去,通过弹性物体将支座上滚轴的延伸部分压在主尺滑轨上,由于摩擦力的作用,当主尺和副尺相对运动时,滚轴在滑轨上作无滑移的滚动,滚轴同时带动固定在滚轴另一端的栅板同步转动。 1. A capacitive digital calipers, the main scale, the vernier, digital to analog conversion circuit, microcontroller, transmitting plate and receiving plate like member made, comprising: a rail mounted on the main scale calipers mounting a base on the vernier, along with roller bearings on the base, relying on two roller bearings mounted on a roller bearing, the roller end extending out through the holes in the base, the elastic body by the abutment roll extension of the shaft is pressed against the main rail foot, due to friction, when the main scale and the vernier relative motion, rollers for rolling on the rail without slippage, while the driven roller is fixed to the other end of the roller simultaneous rotation of the grid.
2.根据权利要求书1所述电容数显卡尺,其特征在于:上述底座上的支座上安装有发射极板和接收极板,两极板中间有垫片保持它们之间的工作间隙,,在发射极板和接受极板之间安装一随滚轴同步转动的栅板,栅板的转动使接受极板上的电信号发生有规律的改变,该信号通过数模转换集成电路变为数字信号再传送到单片机上进行运算和处理。 The claims of the capacitor digital calipers, wherein: transmitting plate and attached to an intermediate receiving plate, the two plates holding shim working gap between them on the support on the base,, the transmitting and receiving electrode plate with a roller mounted between the plates of the grid synchronous rotation, so that the rotation of the grid electrode plate receiving electrical signals regularly changed, the signal through the digital to analog converter into a digital integrated circuit signal is then transmitted to the microcontroller for computing and processing.
3.根据权利要求书1所述电容数显卡尺,其特征在于:在上述底座上安装有一罩壳,在罩壳与底座的结合处都安有密封胶条,在底座的滚轴穿孔处,底座与支座之间安有一密封胶圈,从而在罩壳与底座之间形成一密闭空腔,发射极板、接受极板、栅板、数模转换电路、单片机、电池、显示屏、功能按键等放置在这一空腔内。 3. The capacitor of the book Digital Caliper claim, wherein: the base is mounted on a housing, there are safety sealing strip at the junction of the housing and the base, the base of the perforation roller, Ann has a gasket between the base and the support, thereby forming a sealed cavity between the housing and the base, the emitter electrode plate, receiving the plate, a grid, a digital to analog conversion circuit, a microcontroller, a battery, a display screen, functions key or the like is placed in the cavity.
CN 02145659 2002-10-22 2002-10-22 Rolling digital displayed capacitor caliper with CN1415931A (en)

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CN 02145659 CN1415931A (en) 2002-10-22 2002-10-22 Rolling digital displayed capacitor caliper with
AU2003275522A AU2003275522A1 (en) 2002-10-22 2003-10-21 Roller-type capacitive digital-display caliper
PCT/CN2003/000885 WO2004038323A1 (en) 2002-10-22 2003-10-21 Roller-type capacitive digital-display caliper

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CN1296675C (en) * 2005-05-06 2007-01-24 赵志强 High-protected digit display calipers
CN100594355C (en) 2007-08-10 2010-03-17 赵志强 Full-sealed digital display measuring equipment
CN102095394A (en) * 2010-11-15 2011-06-15 北京航空航天大学 High-precision rolling displacement detecting device
CN106918288A (en) * 2015-12-24 2017-07-04 深圳市矽格半导体科技有限公司 Optical sensing displacement measurement digital display device

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CN102052909B (en) * 2010-11-30 2012-10-10 周泉清 Micro-nano caliper

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1296675C (en) * 2005-05-06 2007-01-24 赵志强 High-protected digit display calipers
CN100594355C (en) 2007-08-10 2010-03-17 赵志强 Full-sealed digital display measuring equipment
CN102095394A (en) * 2010-11-15 2011-06-15 北京航空航天大学 High-precision rolling displacement detecting device
CN106918288A (en) * 2015-12-24 2017-07-04 深圳市矽格半导体科技有限公司 Optical sensing displacement measurement digital display device

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AU2003275522A1 (en) 2004-05-13

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