CN107966238A - A kind of electric signal pointer-type rotation indicator - Google Patents
A kind of electric signal pointer-type rotation indicator Download PDFInfo
- Publication number
- CN107966238A CN107966238A CN201710843863.9A CN201710843863A CN107966238A CN 107966238 A CN107966238 A CN 107966238A CN 201710843863 A CN201710843863 A CN 201710843863A CN 107966238 A CN107966238 A CN 107966238A
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- Prior art keywords
- input
- pointer
- circuit
- wiring board
- electric signal
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- 238000005070 sampling Methods 0.000 claims abstract description 24
- 230000001681 protective effect Effects 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims 1
- 230000003321 amplification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
- G01L19/10—Means for indicating or recording, e.g. for remote indication mechanical
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Electromechanical Clocks (AREA)
Abstract
The present invention relates to a kind of electric signal pointer-type rotation indicator, including former watch shell, dial and pointer are provided with the original watch shell, the described one end of original watch shell away from dial is provided with motor potentiometer and wiring board, the motor potentiometer is electrically connected with wiring board, and the shaft of the motor potentiometer and the shaft of pointer are coaxially connected；Motor drive circuit, the first input sampling circuit, the second input sampling circuit, feedback circuit, power-supplying circuit and amplifier comparator are provided with the wiring board.A kind of electric signal pointer-type rotation indicator of the present invention can drive mechanical pointer to rotate special angle, and then realize that data are indicated under the occasion in no pressure source or environment by the electric signal of external world's input after processing of circuit by motor potentiometer.
Description
Technical field
The present invention relates to a kind of signal to change instruction device, and in particular to a kind of electric signal pointer-type rotation indicator.
Background technology
Traditional pointer pressure is to work as sense with flexible member (generally tongue tube, diaphragm, bellows) for sensing element
When being under pressure, sensing element produces displacement due to deformation, by transmission device so as to drive pointer to be directed toward specified scale.
Traditional pointer pressure is generally controlled extensively using pressure measurement during plant produced, the occasion such as security monitoring.
But traditional pointer pressure can only can just be measured and shown under conditions of having pressure source (gas, liquid etc.),
Under the occasion in some no pressure sources or environment but the place of indicating graduation is needed just to seem helpless.
The content of the invention
The purpose of the present invention is：A kind of electric signal pointer-type rotation indicator is provided, the electric signal of external world's input can be passed through
After oversampling circuit processing, mechanical pointer is driven to rotate special angle by motor potentiometer, and then in the occasion in no pressure source
Or realize that data indicate under environment.
To achieve these goals, the present invention provides following technical solution：
A kind of electric signal pointer-type rotation indicator, including former watch shell, it is described original watch shell on be provided with dial and
Pointer, the described one end of original watch shell away from dial are provided with motor potentiometer and wiring board, the motor potentiometer and line
Road plate is electrically connected, and the shaft of the motor potentiometer and the shaft of pointer are coaxially connected；Motor is provided with the wiring board
Drive circuit, the first input sampling circuit, the second input sampling circuit, feedback circuit, power-supplying circuit and zoom comparison
Device.
Further, the power-supplying circuit is connected by wire connection terminal with the first input sampling circuit, and described first
The output terminal of input sampling circuit and the input terminal of amplifier comparator connect, and the output terminal of second input sampling circuit is with putting
The output terminal connection of another input terminal connection of big comparator, described feedback circuit one end and amplifier comparator, the other end and the
The output terminal connection of two input sampling circuits, the input terminal of the motor drive circuit and the output terminal of amplifier comparator connect.
Further, the described former one end of watch shell away from dial is additionally provided with protective cover, the motor potentiometer with
Wiring board is respectively positioned on the inside of protective cover, and the one end of the protective cover away from former watch shell is provided with input straight slot, the input
The position of straight slot is corresponding with the position of the input port on wiring board, and the material of the protective cover is isolation material.
Beneficial effects of the present invention are：A kind of electric signal pointer-type rotation indicator, passes through former watch shell, motor potentiometer
And the comprehensive utilization of wiring board, motor potentiometer driving machine can be passed through by the electric signal of external world's input after processing of circuit
The pointer rotation special angle of tool formula, and then realize that data indicate under the occasion in no pressure source or environment, meet special make
Use demand.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of electric signal pointer-type rotation indicator of the present invention.
Fig. 2 is that a kind of electric signal pointer-type rotation indicator of the present invention removes the structure diagram after protective cover.
Fig. 3 is the circuit diagram on a kind of wiring board of electric signal pointer-type rotation indicator of the present invention.
In figure：1st, former watch shell；11st, dial；12nd, pointer；2nd, motor potentiometer；3rd, wiring board；31st, motor driving electricity
Road；32nd, the first input sampling circuit；33rd, the second input sampling circuit；34th, feedback circuit；35th, power-supplying circuit；36th, put
Big comparator；4th, protective cover；41st, straight slot is inputted.
Each circuit module is irised out using dotted line frame in Fig. 3, in order to distinguish.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is described in further detail.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
With reference to figure 1, Fig. 2 and Fig. 3, a kind of electric signal pointer-type rotation indicator, including former watch shell 1, the original table
Dial 11 and pointer 12 are provided with housing 1, the described one end of original watch shell 1 away from dial 11 is provided with motor potentiometer
2 and wiring board 3, the motor potentiometer 2 be electrically connected with wiring board 3, the shaft of the motor potentiometer 2 turns with pointer 12
Axis is coaxially connected, and the motor potentiometer 2 is used to drive pointer 12 to rotate special angle, and then coordinates the display ginseng of dial 11
Number；Motor drive circuit 31, the first input sampling circuit 32, the second input sampling circuit 33, anti-is provided with the wiring board 3
Current feed circuit 34, power-supplying circuit 35 and amplifier comparator 36.
The power-supplying circuit 35 is connected by wire connection terminal with the first input sampling circuit 32, and first input is adopted
The output terminal of sample circuit 32 is connected with the input terminal of amplifier comparator 36, and the output terminal of second input sampling circuit 33 is with putting
Another input terminal connection of big comparator 36, described 34 one end of feedback circuit is connected with the output terminal of amplifier comparator 36, is another
End is connected with the output terminal of the second input sampling circuit 33, input terminal and the amplifier comparator 36 of the motor drive circuit 31
Output terminal connects.
In power-supplying circuit 35, DC-DC power module is used for the power supply for producing direct current ± 5V, on the one hand+5V power supplys
Operating voltage as amplifier comparator 36, another aspect ± 5V power supplys are used as the rotating driving voltage of motor potentiometer 2；Two
The effect of pole pipe D1 is to prevent reverse power connection from making with short-circuit failure；Capacitance E1, E2 and E3 are filter capacitor, to reduce
AC ripple ripple coefficient simultaneously lifts efficient smooth direct current output.
In the first input sampling circuit 32, resistance R11 is sample resistance, from the 0-20mA electric currents of signal terminal J2 inputs
Signal (current signal that i.e. host computer is sent) becomes voltage signal (0-4V) at sample resistance R11 both ends, and send to amplification ratio
Compared with the input terminal of device 36.
In the second input sampling circuit, the voltage of+5V is sent to amplification through resistance R7, resistance R9 and motor potentiometer 2
Another input terminal of comparator 36.
The amplifier comparator 36 is defeated by the signal that the first input sampling circuit 32 inputs and the second input sampling circuit 33
The signal entered is compared to each other, and output is produced to motor drive circuit 31.
The feedback circuit 34 is used to feed back electric signal, makes to feed back to amplification ratio from the electric signal that amplifier comparator 36 exports
Compared with the input terminal of device 36, introducing feedback signal is advantageous in that if other external force cause motor potentiometer 2 to fail to make pointer
12 turn to the position that should be arrived, and after external force is cancelled, motor potentiometer 2 still can make pointer 12 voluntarily turn to the position that should be arrived
Put.
The electric signal that the motor drive circuit 31 exports jointly according to amplifier comparator 36 and feedback circuit 34, control
The accurate rotation of motor potentiometer 2, and then drive the rotation of pointer 12.
The described one end of original watch shell 1 away from dial 11 is additionally provided with protective cover 4, the motor potentiometer 2 and circuit
Plate 3 is respectively positioned on the inside of protective cover 4, and the one end of the protective cover 4 away from former watch shell 1 is provided with input straight slot 41, described defeated
Entering that the position of straight slot 41 is corresponding with the position of the input port on wiring board 3, the material of the protective cover 4 is isolation material,
The protective cover 4 is used to protect the infringement of motor potentiometer 2 and wiring board 3 from external force or corrosive liquids, so as to protect
Demonstrate,prove the service life of indicator.
In the present invention, unless otherwise clearly defined and limited, the term such as term " connected ", " connection ", " fixation " should
It is interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can mechanically connect,
Can be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be the company inside two elements
Logical or two elements interaction relationship.For the ordinary skill in the art, can understand as the case may be
The concrete meaning of above-mentioned term in the present invention.
Above-described embodiment is used for that the present invention is further illustrated, but does not limit the invention to these specific implementations
Mode.All any modification, equivalent and improvement made within the spirit and principles of the invention etc., should be understood as at this
Within the protection domain of invention.
Claims (3)
1. a kind of electric signal pointer-type rotation indicator, including former watch shell (1), scale is provided with the original watch shell (1)
Disk (11) and pointer (12), it is characterised in that：The described one end of original watch shell (1) away from dial (11) is provided with motor current potential
Device (2) and wiring board (3), the motor potentiometer (2) are electrically connected with wiring board (3), the shaft of the motor potentiometer (2)
It is coaxially connected with the shaft of pointer (12)；Motor drive circuit (31), the first input sample electricity are provided with the wiring board (3)
Road (32), the second input sampling circuit (33), feedback circuit (34), power-supplying circuit (35) and amplifier comparator (36).
A kind of 2. electric signal pointer-type rotation indicator according to claim 1, it is characterised in that：The power supply power supply electricity
Road (35) is connected by wire connection terminal with the first input sampling circuit (32), the output terminal of first input sampling circuit (32)
It is connected with the input terminal of amplifier comparator (36), output terminal and the amplifier comparator (36) of second input sampling circuit (33)
The connection of another input terminal, described feedback circuit (34) one end is connected with the output terminal of amplifier comparator (36), the other end and the
The output terminal connection of two input sampling circuits (33), input terminal and the amplifier comparator (36) of the motor drive circuit (31)
Output terminal connects.
A kind of 3. electric signal pointer-type rotation indicator according to claim 1, it is characterised in that：The original watch shell
(1) one end away from dial (11) is additionally provided with protective cover (4), and the motor potentiometer (2) is respectively positioned on anti-with wiring board (3)
The inside of shield (4), the one end of the protective cover (4) away from former watch shell (1) are provided with input straight slot (41), and the input is logical
The position of groove (41) is corresponding with the position of the input port on wiring board (3), and the material of the protective cover (4) is insulation material
Matter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710843863.9A CN107966238B (en) | 2017-09-19 | 2017-09-19 | Electric signal pointer type rotary indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710843863.9A CN107966238B (en) | 2017-09-19 | 2017-09-19 | Electric signal pointer type rotary indicator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107966238A true CN107966238A (en) | 2018-04-27 |
| CN107966238B CN107966238B (en) | 2024-05-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710843863.9A Active CN107966238B (en) | 2017-09-19 | 2017-09-19 | Electric signal pointer type rotary indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107966238B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114485565A (en) * | 2021-12-31 | 2022-05-13 | 潍柴动力股份有限公司 | Mechanical swash plate inclination angle indicator for hydraulic pump motor and hydraulic pump motor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW590218U (en) * | 2002-10-02 | 2004-06-01 | Chi Shuo Technology Co Ltd | Compound meter head having dual indications of needle and liquid crystal |
| CN1981184A (en) * | 2004-05-13 | 2007-06-13 | 轻泰克产业公司 | Electronic instrument movement/barometer |
| CN101092895A (en) * | 2007-07-20 | 2007-12-26 | 重庆川仪总厂有限公司 | Engine oil pressure gauge driven by stepper motor |
| CN201373751Y (en) * | 2009-03-19 | 2009-12-30 | 重庆川仪自动化股份有限公司 | Linear meter driven by micro-stepping motor |
| CN203824696U (en) * | 2014-04-18 | 2014-09-10 | 石家庄铁路运输学校 | Voltage drive type double-needle pressure gauge |
| CN105987715A (en) * | 2014-11-26 | 2016-10-05 | 罗斯蒙特公司 | Gauge display system |
| CN207280671U (en) * | 2017-09-19 | 2018-04-27 | 常熟市海舟电气有限公司 | A kind of electric signal pointer-type rotation indicator |
-
2017
- 2017-09-19 CN CN201710843863.9A patent/CN107966238B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW590218U (en) * | 2002-10-02 | 2004-06-01 | Chi Shuo Technology Co Ltd | Compound meter head having dual indications of needle and liquid crystal |
| CN1981184A (en) * | 2004-05-13 | 2007-06-13 | 轻泰克产业公司 | Electronic instrument movement/barometer |
| CN101092895A (en) * | 2007-07-20 | 2007-12-26 | 重庆川仪总厂有限公司 | Engine oil pressure gauge driven by stepper motor |
| CN201373751Y (en) * | 2009-03-19 | 2009-12-30 | 重庆川仪自动化股份有限公司 | Linear meter driven by micro-stepping motor |
| CN203824696U (en) * | 2014-04-18 | 2014-09-10 | 石家庄铁路运输学校 | Voltage drive type double-needle pressure gauge |
| CN105987715A (en) * | 2014-11-26 | 2016-10-05 | 罗斯蒙特公司 | Gauge display system |
| CN207280671U (en) * | 2017-09-19 | 2018-04-27 | 常熟市海舟电气有限公司 | A kind of electric signal pointer-type rotation indicator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114485565A (en) * | 2021-12-31 | 2022-05-13 | 潍柴动力股份有限公司 | Mechanical swash plate inclination angle indicator for hydraulic pump motor and hydraulic pump motor |
| CN114485565B (en) * | 2021-12-31 | 2024-05-17 | 潍柴动力股份有限公司 | Mechanical sloping cam plate inclination indicator for hydraulic pump motor and hydraulic pump motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107966238B (en) | 2024-05-24 |
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