CN1431457A - Intelligence type electronic calipers - Google Patents
Intelligence type electronic calipers Download PDFInfo
- Publication number
- CN1431457A CN1431457A CN02101542A CN02101542A CN1431457A CN 1431457 A CN1431457 A CN 1431457A CN 02101542 A CN02101542 A CN 02101542A CN 02101542 A CN02101542 A CN 02101542A CN 1431457 A CN1431457 A CN 1431457A
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- China
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- type electronic
- intelligence type
- electronic calipers
- signal
- circuit
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/22—Feeler-pin gauges, e.g. dial gauges
- G01B3/24—Feeler-pin gauges, e.g. dial gauges with open yoke, i.e. calipers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention discloses the electronic caliper including the elastic measurement body, the sensor and the signal processing circuit. The sensor is installed in the elastic measurement body. The circuit processes the signal output from the sensor. The processing circuit includes the CPU, the memory, the A/D conversion circuit and the part for outputting the signal. The invention possesses the elastic hinge with no frictional wear, providing the features of the fewer sectors for passing sizes, reliable working, long service life and high measuring accuracy. Moreover, the invention possesses the analog display and the digital display at the same time as well as the functions of the discrimination for out of tolerance and the correction of indicated value so as to improve working efficiency greatly.
Description
Technical field
The present invention relates to a kind of Electronic calliper gauge, particularly the inductance sensor core component is embedded in the intelligence type electronic calipers in the calliper body.
Background technology
Electronic calliper gauge has two types, i.e. adjustable and non-adjustable integral expression.Traditional Electronic calliper gauge generally is equipped with the pen type inductance sensor, disposes the mini-inductance measurement instrument by other and carries out the analog or digital demonstration.Though the adjustable electronic calliper can be adjusted according to measured piece, its complex structure, bulky, and can not be at the narrow space measurement diameter of axle, the more non-adjustable integral expression Electronic calliper gauge of measuring accuracy is poor.And traditional non-adjustable integral expression Electronic calliper gauge is because of after loading onto the pen type inductance sensor, and its size transmission link increases, the degree of accuracy that influence is measured; There is friction in the sensor measuring staff, also influences its serviceable life, has reduced reliability, and simultaneously, the adjustment of such Electronic calliper gauge extremely bothers.
Shortcoming at traditional non-adjustable integral expression Electronic calliper gauge, the built-in Electronic calliper gauge of some inductance has appearred at present, the measure portion that is Electronic calliper gauge is the elasticity measurement body of one, and inductance sensor is embedded in the elasticity measurement body, by mimic channel the signal of sensor is handled again.As Patent Office of the People's Republic of China disclosed " the built-in Electronic calliper gauge of a kind of inductance ", its Granted publication number is " CN 2260311Y ", and application number is " ZL96203364.2 ".Though such Electronic calliper gauge has overcome some shortcomings of conditional electronic calliper, but the tolerance dimension of measured piece is only represented in its display part, need are judged whether measured piece meets the user of margin tolerance, also must remember the upper lower limit value of tolerance, when the measured piece specification for a long time, bring very big inconvenience, occur mistake and inefficiency easily; The adjustment inconvenience of this Electronic calliper gauge simultaneously.
Summary of the invention
Shortcoming at prior art exists the invention provides a kind of intelligence type electronic calipers.Intelligence type electronic calipers of the present invention utilizes digital circuit that sensor output signal is handled, the adjustment mode of providing convenience and various display mode.
Intelligence type electronic calipers of the present invention comprises: the elasticity measurement body is arranged on the sensor in the elasticity measurement body, the signal processing circuit that sensor output signal is handled; It is characterized in that: described signal processing circuit comprises central processing unit, storer, A/D conversion circuit and information output part branch; Described A/D conversion circuit becomes digital signal with the analog signal conversion of sensor, described storer is used for stored program instruction, described central processing unit is handled the output signal of described A/D conversion circuit according to the programmed instruction in the storer, and described information output part divides the output information after the output central processing unit is handled.
According to technique scheme, be fixed with housing on the described elasticity measurement body, be used to encapsulate the part components and parts of described signal processing circuit, described information output part branch is arranged on the upper surface of described housing.
According to technique scheme, described A/D conversion circuit is built in the described central processing unit.
According to technique scheme, described information output part is divided into LCDs.
According to technique scheme, described signal processing circuit also comprises:
Signal amplification circuit: signal of sensor is carried out processing and amplifying and outputed to A/D conversion circuit;
Control input: to described central processing unit transmitting control information.
According to technique scheme, described control input comprises:
Mode key: be used for the selected state that is provided with;
Position keys: be used for the selected numeral that will adjust;
Adjust key: be used for adjusting numeral;
Backlight switch key: open or close the backlight of display part;
The drop lock key: the drop lock key is used for making when adjustment finishes the parameter of control circuit to be fixed on optimum condition, and measures and to make the output result locked after finishing, and its output result changes when preventing that measured piece from taking off;
Acknowledgement key: acknowledgement key is used to confirm each operation of adjusting.
According to technique scheme, described LCDs is provided with to simulate and shows and the numeral demonstration that described simulation demonstration is used for showing the analog position of the deviation of measured piece physical size in margin tolerance.
According to technique scheme, described housing is provided with handle.
According to technique scheme, described intracavity of handle is a battery compartment.
According to technique scheme, described information-processing circuit also comprises warning device; When the size of measured workpiece exceeded the setting deviation range, described warning device sent alarm.
According to technique scheme, described information-processing circuit also comprises the voltage detecting loop.
According to technique scheme, described intelligence type electronic calipers also comprises standard, and described standard is used to calibrate the running parameter of described information-processing circuit.
Elastic hinge, size transmission link that the present invention has no friction wear are few, its reliable operation, long service life; Particularly: the display part has simulation simultaneously and shows and numeral demonstration two parts, for judging whether measured piece meets the user of margin tolerance, can assign to determine by observing the simulation display part, simultaneously the measured size of reprocessing that needs that surpasses the margin tolerance higher limit is also come into plain view by observing digital display portion, thereby can improve its work efficiency greatly; Digital processing circuit is handled signal of sensor, can be by program to its error auto compensatng, its measuring accuracy is high, the display result of simulation part is the number percent of error amount in margin tolerance that program calculates actual measurement, and the accuracy that therefore more traditional simulation shows improves widely; Warning circuit sends alarm signal to the measured piece of out-of-size scope, can remind the operator, has avoided artificial error, can improve work quality widely.
Description of drawings
Fig. 1 is a stereographic map of the present invention;
Fig. 2 is a structural drawing of the present invention;
Fig. 3 is the enlarged drawing of M part among Fig. 2;
Fig. 4 is the structural representation of display part of the present invention;
Fig. 5 is the enlarged drawing of display screen;
Fig. 6 is a signal processing circuit logic diagram of the present invention;
Fig. 7 is a signal processing circuit schematic diagram of the present invention;
Fig. 8, Fig. 9 are program flow diagram of the present invention.
Embodiment
With reference to figure 1: measure lever 2 and be made of one formula,, handle 5 is set on housing 3 at the top of elasticity measurement body 1 stationary housing 3 with elasticity measurement body 1, handle 5 inner chambers are battery compartment 6, housing 3 upper surface immobile liquid crystal display screens 4, display screen 4 become 20 degree inclination angles with surface level, so that the operator observes.Packing in the battery compartment 6 provides the battery of operating voltage to signal processing circuit.Convenient for adjustment, the present invention also comprises a standard, and described standard is used for calibrating the running parameter of information-processing circuit of the present invention.
With reference to figure 2: sensor is fixed on to be measured on lever 2 and the elasticity measurement body 1.As shown in Figure 3: coil holder 7 is set on elasticity measurement body 1, telefault is in series by two telefault 8-1,8-2 and is fixed in the coil holder 7, magnetic core 9 is sitting in the hole of telefault, and magnetic core 9 and coil are formed differential pick-up, and the connecting line of coil is drawn by on line part 10-5.On the measurement lever magnetic core seat 10-2 is set, elasticity swivel nut 10-3 and its inner magnetic core component 9-1 are arranged in the magnetic core seat 10-2, and holding screw 10-1 is screwed in the elasticity swivel nut 10-3.Magnetic core component 9-1 is connected with magnetic core 9, moves in the hole of telefault 8-1,8-2 so that sounding rod 2 drives magnetic core 9.Whole sensor is by sealing shroud 10-4 sealing.
As shown in Figure 4: display screen 4 is a LCDs.The left side on the LCDs is the simulation display part, and the middle part is a digital display portion, and the upper and lower is provided with the operation indication and the indication of reporting to the police, and portion is provided with demonstration backlight within it.With reference to figure 5: the simulation display part comprises electron beam 4-1 and tolerance range 4-2, electron beam 4-1 indication range is corresponding with tolerance range 4-2, it shows the analog position of deviation in tolerance range 4-2 of measured piece physical size, can roughly estimate percentage with reference to scale, be a kind of display mode of visual pattern, be used for quick judgement.What digital display portion showed is the actual deviation of measured piece, and least significant bit (LSB) is 1 micron, and the value that does not show before the radix point is the nominal value of measured size, and this value is a setting, and unit is a millimeter.
Be provided with on the shell body 3 of display screen 4 bottoms that power supply is strong 11, operating keys such as mode selecting key 12, adjustment/backlight switch key 13, position keys 14 and drop lock/acknowledgement key 15.
With reference to figure 6: signal processing circuit comprises: central processing unit 16, storer 17, signal amplification circuit 23, mould/number conversion circuit 22, voltage detecting circuit 21, control input 20, display part 18 and warning device 19.Store in the storer 17 and realize the necessary programmed instruction of the present invention, and be connected with central processing unit 16 with control bus by data, address, signal amplification circuit 23 amplifies the simulating signal of the output of sensor, mould/number conversion circuit 22 converts amplified analog signal to digital signal, central processing unit 16 is according to the operation indication of programmed instruction and control input 20, above-mentioned digital signal is handled, and the result is offered the operator by display part 18.21 pairs of voltage detecting circuits provide the battery of operating voltage to detect, if voltage is lower than setting value, information will occur on the display screen.To exceeding the measured piece of setting margin tolerance, central processing unit 16 will be controlled warning device 19 and send alarm.
Fig. 7 has further disclosed signal processing circuit of the present invention: central processing unit 16 models are MSP430, and it is built-in with the A/D converter of 12 outputs, and storer comprises read/write random access memory (RAM) and ROM (read-only memory) (E
2PROM), LCDs is adopted in display part 18, the clear reflection of its structural drawing 5.The keyboard-types input is adopted in control input 20, comprises respectively: power supply is strong, mode selecting key, adjustment/backlight switch key, position keys and drop lock/acknowledgement key.In the present embodiment, central processing unit 16 realizes that with the means that being connected of control input 20, display part 18, storer 17 and peripheral circuit all adopts this area common technique person to know providing also of working power (not shown) connects by conventional methods.
Telefault 8-1, the 8-2 of sensor and resistance R 1, R2, R3, R4 form electric bridge, and oscillator 23-1 sine wave output signal is given electric bridge.When the change in location of magnetic core 9, the output signal of the tie point A of inductance line 8-1,8-2 changes, this signal exports the detecting circuit that circuit 23-2 and circuit 23-4 form to after amplifying circuit 23-3 handles, the simulating signal after the detection exports the built-in A/D converter of central processing unit 16 to.
Mode key in the control input is used to select following mode of operation:
The indicating value calibration: under this state, a standard cylinder with in the measurement standard device of the present invention judges whether to carry out calibration operation according to its display result.
Preset tolerance range:, upper and lower deviation is set to determine tolerance range according to by the technical requirement of calibrating workpiece.Just there is simulation to show after only setting tolerance range in this enforcement.
Selection unit's system: select the metric system and two kinds of systems of measuring units made in Great Britain as required.
Position keys is used for the selected numeral that will adjust (even blink states appears in the digit order number of adjusting); Adjusting key is used for the numeral of flicker bit is increased/reducing; The backlight switch key is used for the backlight of opening/closing display part; The drop lock key is used for making when adjustment finishes the parameter of control circuit to be fixed on optimum condition, and measures and to make display result locked after finishing, and its display result changes when preventing that measured piece from taking off; Acknowledgement key is used to confirm each operation of adjusting.
Voltage detecting circuit 21 is by pressing signal from the battery power taking, converts thereof into numerical information by the built-in A/D converter of central processing unit 16, and with set-point relatively.
Warning device is made of triode T1 and hummer FM.When the size of measured piece exceeds the setting deviation range, the corresponding output end output high level of central processing unit, triode T1 conducting, hummer FM sends alarm sound.
Fig. 8 and Fig. 9 provide the central processing unit key step that instruction is carried out according to the storer internal program in the signal processing circuit, and the step shown in the figure can comprise the above step of a step in practice.
Turn on the power switch at 11 o'clock, execution in step 110, central processing unit carries out initialization process; The output voltage of step 120 pair power supply detects, if the electric power output voltage value less than setting value, execution in step 130, otherwise execution in step 140; Step 130 is central processing unit output control signals, makes the low pilot lamp 4-7 of voltage on the LCDs 4 glittering, forwards step 140 then to; Whether step 140 judgment model key is pressed, if judge it is sure, then execution in step 150, if judge whether surely, then execution in step 210; Step 150 judges whether whether the indicating value aligning key is pressed, if judge it is sure, then execution in step 160, if judge whether surely, then execution in step 170; Step 160 is carried out the indicating value calibration, 4-10 is bright for the pilot lamp of indicating value calibration simultaneously, described indicating value calibration is to measure a standard cylinder with Electronic calliper gauge of the present invention, the set-point of result and standard cylinder is compared, then must not adjust if measurement result is identical with set-point, otherwise carry out adjusting, make it identical with set-point by adjusting key 13; Step 170 judges whether the button that the upper deviation is set is pressed, if judge it is sure, then execution in step 180, if judge whether fixed then execution in step 190; Step 180 is carried out upper deviation setting, promptly adjusts numeral and symbol in the digital display portion by turn according to the upper deviation of measured workpiece size, and that pilot lamp 4-4 is set is bright for the upper deviation simultaneously, sets up the back and finishes by acknowledgement key 15, forwards step 190 then to; Step 190 judges whether the lower deviation key is set presses, if judge to be sure then execution in step 200, if the then execution in step 210 of negating; Step 200 is carried out upper deviation setting, promptly adjusts numeral and symbol in the digital display portion by turn according to the lower deviation of measured workpiece size, and that pilot lamp 4-10 is set is bright for lower deviation simultaneously, sets up the back and finishes by acknowledgement key 15, forwards step 210 then to and carries out; Step 210 becomes digital signal with analog signal conversion; Central processing unit carries out logic and digital operation to digital signal in the step 220; Step 230 judges whether measured result is higher than the upper deviation, if judge to be sure then execution in step 240, otherwise execution in step 250; Step 240 surpasses the upper deviation reports to the police, and hummer FM sends chimes of doom, and alarm lamp 4-6 and last overproof pilot lamp 4-3 are bright, and electron beam 4-1 is all bright; Step 250 judges according to the result who records whether be lower than lower deviation, if judge to be sure then execution in step 260, if judge whether fixed then execution in step 270; Step 260 surpasses lower deviation reports to the police, and hummer FM sends chimes of doom, and alarm lamp 4-6 and following overproof pilot lamp 4-9 are bright, and electron beam 4-1 all opens and closes; Step 270 is judged the standard of measuring unit, if the metric system, then metric system pilot lamp 4-12 is bright, and execution in step 290 then, otherwise execution in step 280; Step 280 is carried out the English system conversion, and pilot lamp 4-13 made in Great Britain is bright; Step 290 shows the actual tolerance value of measured piece by digital display portion; Step 300 shows the analog position of deviation in tolerance range of measured piece physical size, i.e. the correspondence position of electron beam 4-1 in tolerance range 4-2; Step 310 judges whether the drop lock key is pressed, if judge to be sure then execution in step 320, otherwise execution in step 330; Step 320 is carried out the drop lock processing, and 4-11 is bright for the drop lock pilot lamp, and drop lock is handled and is meant that the maintenance displayed value is constant; Step 330 this operation of end.
The embodiment of the best of the present invention is illustrated, and those of ordinary skill in the art is among the various changes of having done on the basis that does not break away from its spirit all should be contained in protection scope of the present invention.
Claims (12)
1, a kind of intelligence type electronic calipers comprises: the elasticity measurement body is arranged on the sensor in the elasticity measurement body, the signal processing circuit that sensor output signal is handled; It is characterized in that: described signal processing circuit comprises central processing unit, storer, A/D conversion circuit and information output part branch; Described A/D conversion circuit becomes digital signal with the analog signal conversion of sensor, described storer is used for stored program instruction, described central processing unit is handled the output signal of described A/D conversion circuit according to the programmed instruction in the storer, and described information output part divides the output information after the output central processing unit is handled.
2, intelligence type electronic calipers according to claim 1 is characterized in that being fixed with housing on the described elasticity measurement body, is used to encapsulate the part components and parts of described signal processing circuit, and described information output part branch is arranged on the upper surface of described housing.
3, intelligence type electronic calipers according to claim 1 is characterized in that described A/D conversion circuit is built in the described central processing unit.
4, intelligence type electronic calipers according to claim 1 and 2 is characterized in that described information output part is divided into LCDs.
5, intelligence type electronic calipers according to claim 4 is characterized in that described signal processing circuit also comprises:
Signal amplification circuit: signal of sensor is carried out processing and amplifying and outputed to A/D conversion circuit;
Control input: to described central processing unit transmitting control information.
6, intelligence type electronic calipers according to claim 5 is characterized in that described control input comprises:
Mode key: be used for the selected state that is provided with;
Position keys: be used for the selected numeral that will adjust;
Adjust key: be used for adjusting numeral;
Backlight switch key: open or close the backlight of display part;
The drop lock key: the drop lock key is used for making when adjustment finishes the parameter of control circuit to be fixed on optimum condition, and measures and to make the output result locked after finishing, and its output result changes when preventing that measured piece from taking off;
Acknowledgement key: acknowledgement key is used to confirm each operation of adjusting.
7, intelligence type electronic calipers according to claim 4 is characterized in that described LCDs is provided with that simulation shows and numeral shows, described simulation shows and is used for showing the analog position of the deviation of measured piece physical size in margin tolerance.
8, intelligence type electronic calipers according to claim 2 is characterized in that described housing is provided with handle.
9, intelligence type electronic calipers according to claim 8 is characterized in that described intracavity of handle is a battery compartment.
10, intelligence type electronic calipers according to claim 1 and 2 is characterized in that described information-processing circuit also comprises warning device; When the size of measured workpiece exceeded the setting deviation range, described warning device sent alarm.
11, intelligence type electronic calipers according to claim 1 and 2 is characterized in that described information-processing circuit also comprises the battery voltage detection loop.
12, intelligence type electronic calipers according to claim 1 is characterized in that also comprising standard, and described standard is used to calibrate the running parameter of described information-processing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02101542A CN1431457A (en) | 2002-01-09 | 2002-01-09 | Intelligence type electronic calipers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02101542A CN1431457A (en) | 2002-01-09 | 2002-01-09 | Intelligence type electronic calipers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1431457A true CN1431457A (en) | 2003-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02101542A Pending CN1431457A (en) | 2002-01-09 | 2002-01-09 | Intelligence type electronic calipers |
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| CN (1) | CN1431457A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292684A (en) * | 2013-05-28 | 2013-09-11 | 沈阳黎明航空发动机(集团)有限责任公司 | Automatic measurement system and method for aircraft bearing outside diameter |
| WO2018145429A1 (en) * | 2017-02-07 | 2018-08-16 | 上海禾荷贸易有限公司 | Digital-display measuring tool having excessive-deviation alert device |
| CN109716072A (en) * | 2016-09-22 | 2019-05-03 | 萨根迪有限公司 | Inductance type transducer equipment |
| CN110749749A (en) * | 2019-10-23 | 2020-02-04 | 仪凤机电（嘉兴）检测技术服务有限公司 | Installing and positioning device for nuclear-grade rotating speed sensor of main pump of nuclear power plant |
-
2002
- 2002-01-09 CN CN02101542A patent/CN1431457A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292684A (en) * | 2013-05-28 | 2013-09-11 | 沈阳黎明航空发动机(集团)有限责任公司 | Automatic measurement system and method for aircraft bearing outside diameter |
| CN109716072A (en) * | 2016-09-22 | 2019-05-03 | 萨根迪有限公司 | Inductance type transducer equipment |
| US10928223B2 (en) | 2016-09-22 | 2021-02-23 | Sagentia Limited | Inductive sensor device |
| CN109716072B (en) * | 2016-09-22 | 2021-11-02 | 萨根迪有限公司 | Inductive sensor device |
| WO2018145429A1 (en) * | 2017-02-07 | 2018-08-16 | 上海禾荷贸易有限公司 | Digital-display measuring tool having excessive-deviation alert device |
| CN110749749A (en) * | 2019-10-23 | 2020-02-04 | 仪凤机电（嘉兴）检测技术服务有限公司 | Installing and positioning device for nuclear-grade rotating speed sensor of main pump of nuclear power plant |
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