CN206037996U - Resistance -type of meeting an emergency level indication meter - Google Patents
Resistance -type of meeting an emergency level indication meter Download PDFInfo
- Publication number
- CN206037996U CN206037996U CN201620585518.0U CN201620585518U CN206037996U CN 206037996 U CN206037996 U CN 206037996U CN 201620585518 U CN201620585518 U CN 201620585518U CN 206037996 U CN206037996 U CN 206037996U
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- China
- Prior art keywords
- steel sheet
- elastic steel
- pointer
- amplifier
- pin
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Abstract
The utility model relates to a resistance -type of meeting an emergency level indication meter, the device include frame, elastic steel sheet, weight, metal strain gauge, amplifier and pointer voltameter. When the frame level was placed, elastic steel sheet was vertical downwards, electric bridge in equilibrium that metal strain gauge constitutes, and amplifier output voltage be fragmentary, and the pointer voltameter indicates in the zero position, keep flat when putting when the frame is nonaqueous, the elastic steel sheet slope, the electric bridge that metal strain gauge forms disequilibrates, and the amplifier output is non -zero, and the pointer voltameter indicates to be the incline direction promptly in non zero position.
Description
Technical field
The utility model is related to the technologies such as electronic technology, sensing technology and machine-building, particularly three and combines
Field.
Background technology
Object horizontal survey indicates to be used widely in fields such as building, laboratory and scientific researches with inclination angle.Traditional water
Level is air bubble type level meter, is had a disadvantage in that：The horizontality in limited direction can only be measured, it is impossible to detect inclined angle
Degree；Also there is the scheme of some electronic type detection levels, but structure is relatively complicated, sensitivity is not high.The utility model design one
The horizontal indicating gage using strain resistor is planted, existing problem is solved.
The content of the invention
For simplifying the structure of level measurement device, sensitivity is improved, design a kind of horizontal indicating gage of strain resistance type, the reality
With new including framework（1）, elastic steel sheet（2）, weight（3）, metal strain plate（4）, amplifier（5）With pointer potentiometer（6）；
Framework（1）It is placed on the table desktop of level to be measured, elastic steel sheet（2）Upper end is fixed on framework（1）Upper side frame, weight（3）
It is fixed on elastic steel sheet（2）Lower end, metal strain plate（4）It is pasted onto elastic steel sheet（2）Centre.Metal strain plate（4）Bag
Four foil gauges R1, R2, R3, R4 are included, R1, R3 are pasted onto elastic steel sheet（2）The left side, R2, R4 are pasted onto elastic steel sheet（2）'s
The right, R1, R2, R3, R4 are in turn connected into electric bridge, and one end of R1 is connected to R2, and the other end of R2 is connected to R3, the other end of R3
Be connected to R4, the other end of R4 be connected to the tie point of R1, R1 and R2 for A, R2 and R3 tie point be D, R3 and R4 connection
Point is C for the tie point of B, R4 and R1, and 2 points of A, B of electric bridge connect amplifier respectively（5）The pin 3 and pin 2 of INA128, electricity
2 points of C, D of bridge meets power supply+5V and -5V respectively.Amplifier（5）Using instrument amplifier INA128, the pin 6 of INA128 connects finger
Show potentiometer.Pointer potentiometer（6）Using needle dc voltmeter, when output voltage is zero, pointer instruction in mid-scale is
Zero graduation, when voltage is deflected clockwise for timing, is deflected counterclockwise when voltage is for bearing.
The beneficial aspects of the utility model are simple structure, sensitivity height, can be digitized and intelligent.
Description of the drawings
Fig. 1 structural representations, Fig. 2 are circuit theory diagrams, and in fig. 1 and 2,1 is framework, 2 is elastic steel sheet, 3 attach most importance to
Hammer, 4 be metal strain plate, 5 be amplifier and 6 be pointer potentiometer.
Specific embodiment
The utility model includes framework（1）, elastic steel sheet（2）, weight（3）, metal strain plate（4）, amplifier（5）And finger
Pin potentiometer（6）；Framework（1）It is placed on the table desktop of level to be measured, elastic steel sheet（2）Upper end is fixed on framework（1）It is upper
Frame, weight（3）It is fixed on elastic steel sheet（2）Lower end, metal strain plate（4）It is pasted onto elastic steel sheet（2）Centre.Metal
Foil gauge（4）Including four foil gauges R1, R2, R3, R4, R1, R3 are pasted onto elastic steel sheet（2）The left side, R2, R4 are pasted onto bullet
Property steel disc（2）The right, R1, R2, R3, R4 be in turn connected into electric bridge, and one end of R1 is connected to R2, and the other end of R2 is connected to
The other end of R3, R3 is connected to R4, and it is D for the tie point of A, R2 and R3 that the other end of R4 is connected to the tie point of R1, R1 and R2,
The tie point of R3 and R4 is C for the tie point of B, R4 and R1, and 2 points of A, B of electric bridge connects amplifier respectively（5）INA128's draws
Pin 3 and pin 2,2 points of C, D of electric bridge meet power supply+5V and -5V respectively.Amplifier（5）Using instrument amplifier INA128,
The pin 6 of INA128 connects instructed voltage meter（6）.Pointer potentiometer（6）Using needle dc voltmeter, when output voltage is zero,
Pointer is indicated in mid-scale（Zero graduation）, when voltage is deflected clockwise for timing, deflected when voltage is for bearing counterclockwise.
In the present embodiment, when framework horizontal positioned, straight down, the electric bridge of metal strain plate composition is in elastic steel sheet
Balance, amplifier are output as zero, and pointer potentiometer refers in zero position；When the non-aqueous placing flat of framework, elastic steel sheet is inclined, metal
The electric bridge of foil gauge composition breaks balance, and amplifier output is not zero, and pointer potentiometer refers in non-zero position, as incline direction
And angle of inclination.
In the present embodiment, in Fig. 2, R5 is sensitivity adjustment resistance, and maximum value is 1K, and R6 is horizontal zero-regulator resistor, when
During framework level, adjusting R6 makes instructed voltage meter（6）It is 5K to be designated as zero, R6, and R7 is 1K.
In the present embodiment, tetra- electrostrictive strain resistances of R1, R2, R3, R4 are 350 ohm.
Claims (4)
1. a kind of horizontal indicating gage of strain resistance type, is characterized in that including framework（1）, elastic steel sheet（2）, weight（3）, metal should
Become piece（4）, amplifier（5）With pointer potentiometer（6）；Framework（1）It is placed on the table desktop of level to be measured, elastic steel sheet（2）
Upper end is fixed on framework（1）Upper side frame, weight（3）It is fixed on elastic steel sheet（2）Lower end, metal strain plate（4）It is pasted onto
Elastic steel sheet（2）Centre.
2. a kind of horizontal indicating gage of strain resistance type according to claim 1, is characterized in that amplifier（5）Put using instrument
Big device INA128, the pin 6 of INA128 connect instructed voltage meter.
3. a kind of horizontal indicating gage of strain resistance type according to claim 1 and 2, is characterized in that metal strain plate（4）Bag
Four foil gauges R1, R2, R3, R4 are included, R1, R3 are pasted onto elastic steel sheet（2）The left side, R2, R4 are pasted onto elastic steel sheet（2）'s
The right, R1, R2, R3, R4 are in turn connected into electric bridge, and one end of R1 is connected to R2, and the other end of R2 is connected to R3, the other end of R3
Be connected to R4, the other end of R4 be connected to the tie point of R1, R1 and R2 for A, R2 and R3 tie point be D, R3 and R4 connection
Point is C for the tie point of B, R4 and R1, and 2 points of A, B of electric bridge connect amplifier respectively（5）The pin 3 and pin 2 of INA128, electricity
2 points of C, D of bridge meets power supply+5V and -5V respectively.
4. a kind of horizontal indicating gage of strain resistance type according to claim 1, is characterized in that pointer potentiometer（6）Using referring to
Pin type voltmeter, when output voltage is zero, it is zero graduation that pointer is indicated in mid-scale, when voltage is that timing is inclined clockwise
Turn, deflected when voltage is for bearing counterclockwise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620585518.0U CN206037996U (en) | 2016-06-17 | 2016-06-17 | Resistance -type of meeting an emergency level indication meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620585518.0U CN206037996U (en) | 2016-06-17 | 2016-06-17 | Resistance -type of meeting an emergency level indication meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206037996U true CN206037996U (en) | 2017-03-22 |
Family
ID=58312444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620585518.0U Expired - Fee Related CN206037996U (en) | 2016-06-17 | 2016-06-17 | Resistance -type of meeting an emergency level indication meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206037996U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514992A (en) * | 2016-06-17 | 2017-12-26 | 湖南科技学院 | A kind of strain resistance type horizon detector |
-
2016
- 2016-06-17 CN CN201620585518.0U patent/CN206037996U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514992A (en) * | 2016-06-17 | 2017-12-26 | 湖南科技学院 | A kind of strain resistance type horizon detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170502 Address after: The 4 area of the Han River Road Panyu District village street Guangzhou city Guangdong province 518100 Southland Olympic Garden Road 2 North 4 storey block No. 2 Patentee after: Guangzhou an electronic technology Co., Ltd. Address before: Yang Zitang road 425199 Yongzhou city of Hunan province Lingling District No. 130 Hunan University of Science and Engineering Patentee before: Hunan University of Science and Engineering |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 Termination date: 20200617 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |