CN205537486U - Capacitive gate formula digital display calliper of sensor and digital circuit separation - Google Patents
Capacitive gate formula digital display calliper of sensor and digital circuit separation Download PDFInfo
- Publication number
- CN205537486U CN205537486U CN201620018718.8U CN201620018718U CN205537486U CN 205537486 U CN205537486 U CN 205537486U CN 201620018718 U CN201620018718 U CN 201620018718U CN 205537486 U CN205537486 U CN 205537486U
- Authority
- CN
- China
- Prior art keywords
- ito
- sensor
- digital
- integrated circuit
- moving grid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model discloses a capacitive gate formula digital display calliper of sensor and digital circuit separation, including the chi base, move bars subassembly and integrated circuit subassembly, move the bars subassembly and include that ITO moves bars sensor and flexible line way board, the chi base includes ITO fixed grid and the chi frame that can move on the ITO fixed grid, and the integrated circuit subassembly includes digital integrated circuit board, display and battery, ITO fixed grid, ITO move bars sensor, digital integrated circuit board and display in proper order fixed cover establish on the chi frame, and ITO fixed grid and ITO to move between the bars sensor reservation gapped, the battery is connected with digital integrated circuit board electricity, and ITO moves electric connection of input port that the bars sensor passes through flexible circuit board and digital integrated circuit board, and the output port of digital integrated circuit board is connected with the display is electric. The utility model discloses well ITO moves the bars sensor and collects the chi and frame shift behind the signal that moves, and with signal transmission to digital integrated circuit board, the digital integrated circuit board is handled the back and is shown through the display.
Description
Technical field
This utility model relates to measuring appliance technical field, particularly relates to the appearance grid that a kind of sensor separates with digital circuit
Formula digital display calliper.
Background technology
Digital display calliper is generally made up of chi base, fixed grid and digital display moving grid part, and digital display moving grid part is generally by moving grid sensor electricity
Road and digital number surface-mounted integrated circuit and display module form.In order to reach the effect of simple in construction, moving grid sensor circuit and
Digital number surface-mounted integrated circuit is commonly designed on same PCB realization, and existing pcb board is generally added asphalt mixtures modified by epoxy resin by glass fibre
The copper-clad plate FR4 that fat is made makes, and fixed grid is typically also and is made by PCB.For as the slide calliper rule of measuring appliance, essence
Degree and stability are the most important characteristics of slide calliper rule.The precision of existing digital display calliper is mainly by fixed grid and the making of moving grid sensor
Precision determines.
But, moving grid sensor and fixed grid that PCB makes have following several defect:
1, being limited by PCB processing technology, the making precision of fixed grid and moving grid sensor limits so that the essence of digital display calliper
Degree is generally at about 0.03mm；
2, PCB would generally deform with ambient temperature and the change of humidity, easily affects certainty of measurement and digital displaying callipers
The service life of chi；
3, due to moving grid sensor circuit and digital number surface-mounted integrated circuit be design on same pcb board, with shell
After fixing formation digital display moving grid part, then being fixed on chi frame, the machining accuracy fully relying on chi base and pcb board ensures to move
Fit-up gap between fixed grid, not only pcb board can deform in twice installation process, and the assembly building between dynamic fixed grid
The size of gap all can produce impact to the final precision of digital display calliper；
4, due to moving grid sensor circuit and digital number surface-mounted integrated circuit be design on same pcb board, circuit cloth
Put limitation, inevitably will cause the interference to measurement signal of the various signal, thus have and cause possible systematic error.
Utility model content
For weak point present in above-mentioned technology, this utility model provides a kind of simple in construction, easy to operate biography
The capacitance gate type digital display sliding calliper that sensor separates with digital circuit.
In order to achieve the above object, the capacitance gate type digital display sliding calliper that a kind of sensor of this utility model separates with digital circuit,
Including chi base, moving grid assembly and integrated circuit package, described moving grid assembly includes ITO moving grid sensor and flexible circuit board, institute
State be provided with on chi base ITO fixed grid and can on ITO fixed grid the chi frame of movement, and described integrated circuit package includes digital integration
Circuit board, display and battery；Described ITO fixed grid, ITO moving grid sensor, digital integrated electronic circuit plate and display are fixed successively
It is set on chi frame, and is reserved with gap between described ITO fixed grid and ITO moving grid sensor；Described battery and digital integration electricity
Road plate electrical connection, described ITO moving grid sensor is electrically connected with the input port of digital integrated electronic circuit plate by flexible PCB, and
The output port of described digital integrated electronic circuit plate electrically connects with display.
Wherein, described moving grid assembly also includes four PIN needle, and described chi frame offers four suitable with PIN needle
Installing hole, one end clamping ITO moving grid sensor of every PIN needle, and the other end of every PIN needle are fixed and are inserted corresponding installation
Kong Hou, described gap is formed between ITO moving grid sensor and ITO fixed grid.
Wherein, described moving grid assembly also includes anisotropic conductive, and described ITO moving grid sensor is conducted electricity by anisotropy
Glue electrically connects with flexible circuit board.
Wherein, described chi base also includes main scale, and described main scale is adhesively fixed with ITO fixed grid and is molded as one, and described master
Chi is set in chi frame.
Wherein, described integrated circuit package also includes case, and described case is provided with shift knob and zero button, and
Described shift knob and zero button electrically connect with digital integrated electronic circuit plate respectively.
Wherein, described digital integrated electronic circuit plate includes pcb board and the integrated circuit being arranged on pcb board.
The beneficial effects of the utility model are:
Compared with prior art, the capacitance gate type digital display sliding calliper that sensor of the present utility model separates with digital circuit, ITO moves
Gate sensor collection chi is frameed shift after dynamic signal, passes the signal along in digital integrated electronic circuit plate, and digital integrated electronic circuit plate processes
Shown by display afterwards.ITO moving grid sensor is made up of ito glass, will not send out along with ambient temperature and the change of humidity
Change shape, and the characteristic of ito glass ensure that the stability that precision is permanent so that between ITO fixed grid and ITO moving grid sensor
Gap is more stable, is unlikely to deform；ITO moving grid sensor and digital integrated electronic circuit plate separate arrangement, and the two electrical connection, not only ensure
Signal can transmit, and is conducive to the good layout of circuit of the two, it is to avoid transmission signal in transmitting procedure is to measuring signal
Interfere, reduce systematic error, improve certainty of measurement, and service life is long.This utility model will compared in prior art
Moving grid sensor and Design of Digital Integrated Circuit, on same pcb board, use separate ITO moving grid sensor and digital integration
Circuit board, ITO fixed grid and the high level of the etching technics than PCB of the ITO etching technics in ITO moving grid sensor, thus this
The precision of the digital display calliper of utility model to double, have easy for installation, certainty of measurement is high, the feature of length in service life.
Accompanying drawing explanation
Fig. 1 is the explosive view of the capacitance gate type digital display sliding calliper that this utility model sensor separates with digital circuit；
Fig. 2 is the partial sectional view after Fig. 1 combines.
Main element symbol description is as follows:
1, chi base 2, moving grid assembly
3, integrated circuit package
11, chi frame 12, ITO fixed grid
13, main scale
21, ITO moving grid sensor 22, flexible circuit board
23, PIN needle 31, digital integrated electronic circuit plate
32, display 33, case
331, shift knob 332, zero button
111, installing hole 311, FPC socket.
Detailed description of the invention
In order to more clearly state this utility model, below in conjunction with the accompanying drawings this utility model is further described.
Refering to Fig. 1-2, the capacitance gate type digital display sliding calliper that sensor of the present utility model separates with digital circuit, including chi base 1,
Moving grid assembly 2 and integrated circuit package 3, chi base 1 is provided with ITO fixed grid 12 and can on ITO fixed grid 12 the chi frame 11 of movement,
Moving grid assembly 2 includes ITO moving grid sensor 21 and flexible circuit board 22, and integrated circuit package 3 includes digital integrated electronic circuit plate
31, display 32 and battery (not shown)；ITO fixed grid 12, ITO moving grid sensor 21, digital integrated electronic circuit plate 31 and display
32 successively fixed cover be located on chi frame 11, and be reserved with gap (not shown) between ITO fixed grid 12 and ITO moving grid sensor 21；
Battery electrically connects with digital integrated electronic circuit plate 31, and ITO moving grid sensor 21 is by flexible PCB and digital integrated electronic circuit plate 31
Input port electrical connection, and the output port of digital integrated electronic circuit plate 31 electrically connects with display 32；ITO moving grid sensor 21
After collecting the signal that chi frame 11 moves, pass the signal along in digital integrated electronic circuit plate 31, after digital integrated electronic circuit plate 31 processes
Shown by display 32.After capacitance gate type digital display sliding calliper of the present utility model starts, battery-powered, ITO moving grid sensor 21
Collect its relative displacement signal at ITO fixed grid 12, the i.e. distance signal of chi frame 11 displacement, and, ITO moving grid sensor 21 will
This signal is transferred to digital integrated electronic circuit plate 31 and carries out calculation process, processes and these relative displacement data is directly shown after obtaining a result
Show on the display 32, complete the signal-obtaining during whole measurement, process, transmit and show.
Compared with prior art, the capacitance gate type digital display sliding calliper that sensor of the present utility model separates with digital circuit, ITO moves
After gate sensor 21 collects the signal that chi frame 11 moves, pass the signal along in digital integrated electronic circuit plate 31, digital integrated electronic circuit
Plate 31 is shown by display 32 after processing.ITO moving grid sensor 21 is made up of ito glass, will not be along with ambient temperature and wet
The change of degree and deform, the characteristic of ito glass ensure that the stability that precision is permanent so that ITO fixed grid 12 and ITO moving grid
Gap between sensor 21 is more stable, is unlikely to deform；ITO moving grid sensor 21 separates arrangement with digital integrated electronic circuit plate 31,
And the two electrical connection, not only ensure that signal can transmit, and be conducive to the good layout of circuit of the two, it is to avoid in transmitting procedure
Transmission signal interfere measuring signal, reduce systematic error, improve certainty of measurement, and service life is long.This practicality is new
Type compared in prior art by moving grid sensor and Design of Digital Integrated Circuit on same pcb board, use separate ITO
Moving grid sensor 21 and numeral surface-mounted integrated circuit 31, ITO fixed grid 12 compares PCB with the ITO etching technics in ITO moving grid sensor 21
The high level of etching technics, thus the precision of digital display calliper of the present utility model to double, have easy for installation, measure
Precision is high, the feature of length in service life.
In this case, digital integrated electronic circuit plate 31 being provided with FPC socket 311, flexible circuit board 22 is solid with FPC socket 311
After fixed connection, ITO moving grid sensor 21 electrically connects with the input port of digital integrated electronic circuit plate 31.FPC socket 311 and flexible wires
The connection of road plate 22 achieves the signal transmission between ITO moving grid sensor 21 and digital integrated electronic circuit plate 31, and, flexible wires
Road plate 22 has the advantage that can arbitrarily bend, and does not affect the volume of moving grid assembly 2.Certainly, this case is not limited to FPC socket
311 with the fixing connected mode of flexible circuit board 22, it is also possible to be other connected modes, as long as the letter of ITO sensor 21 can be made
Number it is transferred to the embodiment in digital integrated electronic circuit plate 31, is simple deformation and the conversion of this case, fall into this case protection
In the range of.
In the present embodiment, moving grid assembly 2 also includes four PIN needle 23, chi frame 11 offers suitable with PIN needle 23
Four installing holes 111, one end clamping ITO moving grid sensor 21 of every PIN needle 23, and the other end of every PIN needle 23 are fixed
After inserting corresponding installing hole 111, gap is formed between ITO moving grid sensor 21 and ITO fixed grid 12.During installation, first exist
Placing one piece of certain thickness pad between ITO moving grid sensor 21 and ITO fixed grid 12, four PIN needle 23 insert correspondence respectively
Installing hole 111, this location mode ensure that the clearance distance between ITO moving grid sensor 21 and ITO fixed grid 12, installation
After, extract pad out and can form the fixed interval (FI) of spacer thickness size.
In the present embodiment, moving grid assembly 2 also includes anisotropic conductive (not shown), and ITO moving grid sensor 21 passes through
Anisotropic conductive electrically connects with flexible circuit board 22.Anisotropic conductive makes ITO moving grid sense by the way of heating is pressurizeed
Device 21 bonds with flexible circuit board 22, and makes the two realize being electrically connected with.
In the present embodiment, chi base 1 also includes main scale 13, and main scale 13 is adhesively fixed with ITO fixed grid 12 and is molded as one, and main
Chi 13 is set in chi frame 11.Main scale 13 is provided with scale, can read displacement information by naked eyes.
In the present embodiment, integrated circuit package 3 also includes case 33, and case 33 is provided with shift knob 331 and zero
Button 332, and shift knob 331 and zero button 332 electrically connect with digital integrated electronic circuit plate 31 respectively.Shift knob 331 is real
The startup of existing capacitance gate type digital display sliding calliper of the present utility model or closedown, zero button 332 realizes zero function, and shift knob
331 and zero button 332 instruction all shown by display 32.
In the present embodiment, digital integrated electronic circuit plate 31 includes pcb board and the integrated circuit being arranged on pcb board.
Advantage of the present utility model is:
1, ito glass characteristic ensure that the permanent stability of precision, increases the service life；
2, the high level of the etching technics of the ITO circuit etching than PCB, it is ensured that this utility model is digital display calliper ratio
The precision of traditional digital display calliper doubles；
3, the gap between ITO fixed grid 12 and ITO moving grid sensor 21 is more stable, is unlikely to deform；
4, this utility model is through inspection, and 0-5 millimeter is surveyed in choosing, and one point of every 0.1 millimeter of test, total length error can guarantee that
Within 0.01, this precision has reached international similar top level.
Only several specific embodiments of the present utility model disclosed above, but this utility model is not limited to this,
The changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.
Claims (6)
1. the capacitance gate type digital display sliding calliper that a sensor separates with digital circuit, it is characterised in that include chi base, moving grid assembly and
Integrated circuit package, described moving grid assembly includes ITO moving grid sensor and flexible circuit board, described chi base is provided with ITO fixed
Grid and can on ITO fixed grid the chi frame of movement, and described integrated circuit package includes digital integrated electronic circuit plate, display and electricity
Pond；Described ITO fixed grid, ITO moving grid sensor, digital integrated electronic circuit plate and display fixed cover successively are located on chi frame, and institute
State and be reserved with gap between ITO fixed grid and ITO moving grid sensor；Described battery electrically connects with digital integrated electronic circuit plate, described ITO
Moving grid sensor is electrically connected with the input port of digital integrated electronic circuit plate by flexible PCB, and described digital integrated electronic circuit plate
Output port electrically connect with display.
The capacitance gate type digital display sliding calliper that sensor the most according to claim 1 separates with digital circuit, it is characterised in that described
Moving grid assembly also includes four PIN needle, and described chi frame offers four suitable with PIN needle installing hole, every PIN needle
One end clamps ITO moving grid sensor, and the other end of every PIN needle is fixed after inserting corresponding installing hole, and described gap is formed
Between ITO moving grid sensor and ITO fixed grid.
The capacitance gate type digital display sliding calliper that sensor the most according to claim 1 separates with digital circuit, it is characterised in that described
Moving grid assembly also includes anisotropic conductive, and described ITO moving grid sensor is by anisotropic conductive and flexible circuit board electricity
Connect.
The capacitance gate type digital display sliding calliper that sensor the most according to claim 1 separates with digital circuit, it is characterised in that described
Chi base also includes main scale, and described main scale is adhesively fixed with ITO fixed grid and is molded as one, and described main scale is set in chi frame.
The capacitance gate type digital display sliding calliper that sensor the most according to claim 1 separates with digital circuit, it is characterised in that described
Integrated circuit package also includes case, and described case is provided with shift knob and zero button, and described shift knob and returning
Zero button electrically connects with digital integrated electronic circuit plate respectively.
The capacitance gate type digital display sliding calliper that sensor the most according to claim 1 separates with digital circuit, it is characterised in that described
Digital integrated electronic circuit plate includes pcb board and the integrated circuit being arranged on pcb board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620018718.8U CN205537486U (en) | 2016-01-08 | 2016-01-08 | Capacitive gate formula digital display calliper of sensor and digital circuit separation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620018718.8U CN205537486U (en) | 2016-01-08 | 2016-01-08 | Capacitive gate formula digital display calliper of sensor and digital circuit separation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205537486U true CN205537486U (en) | 2016-08-31 |
Family
ID=56764259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620018718.8U Withdrawn - After Issue CN205537486U (en) | 2016-01-08 | 2016-01-08 | Capacitive gate formula digital display calliper of sensor and digital circuit separation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205537486U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466325A (en) * | 2016-01-08 | 2016-04-06 | 深圳市联思精密机器有限公司 | Capacitive grating-type digital caliper with sensor and digital circuit separated and making method thereof |
| CN108106508A (en) * | 2017-12-28 | 2018-06-01 | 桂林市晶准测控技术有限公司 | A kind of lever meter |
-
2016
- 2016-01-08 CN CN201620018718.8U patent/CN205537486U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466325A (en) * | 2016-01-08 | 2016-04-06 | 深圳市联思精密机器有限公司 | Capacitive grating-type digital caliper with sensor and digital circuit separated and making method thereof |
| CN105466325B (en) * | 2016-01-08 | 2017-11-10 | 深圳市联思精密机器有限公司 | Capacitance gate type digital display sliding calliper that sensor separates with digital circuit and preparation method thereof |
| CN108106508A (en) * | 2017-12-28 | 2018-06-01 | 桂林市晶准测控技术有限公司 | A kind of lever meter |
| CN108106508B (en) * | 2017-12-28 | 2023-11-10 | 桂林市晶准测控技术有限公司 | Lever meter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105466325B (en) | Capacitance gate type digital display sliding calliper that sensor separates with digital circuit and preparation method thereof | |
| CN205537486U (en) | Capacitive gate formula digital display calliper of sensor and digital circuit separation | |
| CN107271068B (en) | A kind of temperature-detecting device and detection method of intelligent electric energy meter connector | |
| CN202101912U (en) | Digital display resiliometer | |
| CN203249935U (en) | Piezoresistive three-way acceleration sensor | |
| CN206627233U (en) | A kind of Mume flower contact pressure electronic measuring instrument | |
| CN104483195A (en) | Flexibility testing method for flexible panels | |
| CN103743947B (en) | Linear capacitance type micro-wave power sensor based on MEMS structure | |
| CN203365488U (en) | Probe type connector detection apparatus | |
| CN218824454U (en) | Universal meter | |
| CN210780719U (en) | Touch keyboard and express delivery cabinet | |
| CN206515383U (en) | A kind of highly sensitive universal meter with insulation antiskid function | |
| CN207866227U (en) | A kind of fixation kit of high-precision tilt angle sensor | |
| CN206959869U (en) | The electronic sensor of Fast Installation | |
| CN201130755Y (en) | Transferable plug | |
| CN218332639U (en) | Fingerprint module and terminal equipment with temperature detects | |
| CN202178751U (en) | Capacitance touch key device of urine analyzer | |
| CN204189037U (en) | Thumb force control two-dimensional coordinate track and localization assembly | |
| CN203133111U (en) | Capacitive acceleration sensor | |
| CN218727565U (en) | Universal meter | |
| CN208957054U (en) | A kind of dress designing Multi-function measuring clothing ruler | |
| CN202600005U (en) | Touch type electric energy meter | |
| CN111693101B (en) | Flow velocity sensor based on deformation bending contact | |
| CN202885792U (en) | Constant-pressure ultrasonic thickness tester based on RTV (room temperature vulcanized silicone rubber) coating | |
| CN216645434U (en) | Temperature and humidity sensing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Kang Yongzhong Inventor after: Chen Fu Inventor after: Chen Meiying Inventor before: Kang Yongzhong Inventor before: Chen Bin Inventor before: Chen Meiying |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160831 Effective date of abandoning: 20171110 |