CN202304741U - Display for digital caliper - Google Patents
Display for digital caliper Download PDFInfo
- Publication number
- CN202304741U CN202304741U CN201120401144XU CN201120401144U CN202304741U CN 202304741 U CN202304741 U CN 202304741U CN 201120401144X U CN201120401144X U CN 201120401144XU CN 201120401144 U CN201120401144 U CN 201120401144U CN 202304741 U CN202304741 U CN 202304741U
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- China
- Prior art keywords
- display
- circuit
- calliper
- digital
- digital display
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a display for a digital caliper. The display comprises a display screen, keys and internal circuits, wherein the internal circuits comprise a capacitive transducer circuit, a power circuit, a control circuit, a shaping circuit, an amplification circuit, a decoding circuit and a display circuit. The display for the digital caliper senses the length of a measured object through a capacitive transducer, and is high in measurement accuracy, low in power consumption and high in anti-interference capability, so that a current measured value can be clearly displayed by a seven-section display. The display for the digital caliper has a simple structure, and is high in anti-interference capability, clear in display and durable.
Description
Technical field
The utility model relates to a kind of display, especially, relates to a kind of digital display calliper display.
Background technology
Digital display calliper is a kind of measurer of measuring length, interior external diameter, the degree of depth, and it has, and reading is directly perceived, easy to use, the characteristics of diverse in function.Digital display calliper mainly is made up of chi body, sensor, control arithmetic section and digital display portion.
In the prior art, display includes CRT monitor, LCD display, light-emitting diode display and plasma display etc.Because the digital indicator of digital display calliper is mainly used in the numeral of reception and real current measurement.Therefore, only need these ten numerals of real 0-9.Like this, simple seven-segment display just can be realized above-mentioned functions.Yet, though existing seven-segment display has the brightness height, be convenient to advantages such as reparation, its visual effect is relatively poor, is not suitable for closely watching, and can not fully satisfy the clear requirement that shows of digital display calliper.
The utility model content
To above-mentioned technological deficiency, the purpose of the utility model is to provide a kind of digital display calliper display, and it can clearly demonstrate current measured value, and the life-span is long, for ease of maintenaince.
To achieve these goals, a kind of digital display calliper display of the utility model, it comprises display screen, button and internal circuit; Wherein said internal circuit is by holding grid sensing circuit, power circuit, control circuit; Shaping circuit, amplifying circuit, decoding scheme and display circuit are formed.
According to above-mentioned digital display calliper display, wherein, said display includes 1-5 seven segment digital tubes.
According to above-mentioned digital display calliper display, wherein, said button is arranged on the upper surface of said digital display calliper.
According to above-mentioned digital display calliper display, wherein, said decoding scheme is made up of the FPGA circuit.
According to above-mentioned digital display calliper display, wherein, said control circuit is made up of single-chip microcomputer.
According to above-mentioned digital display calliper display, wherein, said control circuit is made up of DSP.
Therefore, a kind of digital display calliper display of the utility model is responded to the length of testee, its good measuring accuracy through capacitor grid transducer; Low in energy consumption, antijamming capability is strong, makes seven-segment display can clearly demonstrate current measured value; This digital display calliper display device structure is simple; Antijamming capability is strong, clear display, and durable.
Description of drawings
Fig. 1 is the structural representation of a kind of digital display calliper display of the utility model.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is done further detailed explanation, but not as the qualification to the utility model.
Fig. 1 is the structural representation of a kind of digital display calliper display of the utility model.Can know by figure, on the display of digital display calliper, include button 1, button 5, display screen 2, panel 3 and battery cover 4, and be arranged on the display interior circuit.
Particularly, button 1 is a common key-press, and button 5 is the resolution button, all is arranged on the upper surface of display.The function that button 1 comprises has power switch, dimensional units conversion and zero clearing.That 5 of buttons are corresponding respectively is 0.1mm, the resolution of 0.01mm and 0.001mm.
Internal circuit includes and holds grid sensing circuit, power circuit, control circuit, shaping circuit, amplifying circuit, decoding scheme and display circuit.Cooperatively interact between above-mentioned each circuit, realized the accurate demonstration of kind of calliper value.
At first, capacitor grid transducer is responded to the length of measuring object, the conversion of signals that obtains is the discernible signal of circuit after; Be sent to shaping circuit and amplifying circuit; Under the control of control circuit, in decoding scheme, decipher again, be sent to display circuit at last and demonstrate measured value.
In the utility model, what decoding scheme adopted is the FPGA circuit, and display circuit then is that what to adopt is 1-5 seven segment digital tubes.
In the digital display calliper display of the utility model, most important parts are control circuit, and it can be realized by single-chip microcomputer or dsp processor usually; The various programmed control decoding schemes that are provided with on it; Display circuit, the operation of button, thus guarantee the normal operation of the function of whole display.
In addition, the power supply in the utility model can be provided by accumulator, also can be provided by rechargeable battery.Usually can adopt two batteries to get final product, effectively control cost, and guarantee the life-span of this digital display calliper display.
More than the specific embodiment of the utility model is described in detail, but the utility model is not restricted to the specific embodiment of above description, it is just as example.To those skilled in the art, any equivalent modifications that this digital display calliper display is carried out with substitute also all among the category of the utility model.Therefore, impartial conversion and the modification under spirit that does not break away from the utility model and scope, done all should be encompassed in the scope of the utility model.
Claims (6)
1. a digital display calliper display is characterized in that, comprises display screen, button and internal circuit, and wherein said internal circuit is by holding the grid sensing circuit, power circuit, control circuit, shaping circuit, amplifying circuit, decoding scheme and display circuit composition.
2. digital display calliper display according to claim 1 is characterized in that, said display includes 1-5 seven segment digital tubes.
3. digital display calliper display according to claim 1 is characterized in that said button is arranged on the upper surface of said digital display calliper.
4. digital display calliper display according to claim 1 is characterized in that said decoding scheme is made up of the FPGA circuit.
5. digital display calliper display according to claim 1 is characterized in that said control circuit is made up of single-chip microcomputer.
6. digital display calliper display according to claim 1 is characterized in that said control circuit is made up of DSP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120401144XU CN202304741U (en) | 2011-10-20 | 2011-10-20 | Display for digital caliper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120401144XU CN202304741U (en) | 2011-10-20 | 2011-10-20 | Display for digital caliper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202304741U true CN202304741U (en) | 2012-07-04 |
Family
ID=46373621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120401144XU Expired - Fee Related CN202304741U (en) | 2011-10-20 | 2011-10-20 | Display for digital caliper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202304741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816934A (en) * | 2017-12-04 | 2018-03-20 | 中国南方电网有限责任公司超高压输电公司昆明局 | A kind of breaker hydraulic disk spring mechanism disc spring decrement self-operated measuring unit |
-
2011
- 2011-10-20 CN CN201120401144XU patent/CN202304741U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816934A (en) * | 2017-12-04 | 2018-03-20 | 中国南方电网有限责任公司超高压输电公司昆明局 | A kind of breaker hydraulic disk spring mechanism disc spring decrement self-operated measuring unit |
| CN107816934B (en) * | 2017-12-04 | 2024-04-09 | 中国南方电网有限责任公司超高压输电公司昆明局 | Automatic measuring device for disc spring compression amount of hydraulic disc spring mechanism of circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20141020 |
|
| EXPY | Termination of patent right or utility model |