CN2570759Y - Electronic dynamometer - Google Patents
Electronic dynamometer Download PDFInfo
- Publication number
- CN2570759Y CN2570759Y CN 02276710 CN02276710U CN2570759Y CN 2570759 Y CN2570759 Y CN 2570759Y CN 02276710 CN02276710 CN 02276710 CN 02276710 U CN02276710 U CN 02276710U CN 2570759 Y CN2570759 Y CN 2570759Y
- Authority
- CN
- China
- Prior art keywords
- main casing
- grid plate
- moving bar
- moving
- power
- 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.)
- Expired - Fee Related
Links
- 238000006073 displacement reaction Methods 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 4
- 230000006870 function Effects 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000035945 sensitivity Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 230000005484 gravity Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000000892 gravimetry Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000009131 signaling function Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 230000014616 translation Effects 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The electronic dynamometer has a main casing with a moving rod and a moving grid plate fixed on it. The fixed grid plate is fixed on the housing, the housing is fixedly connected with the main shell, and the movable grid plate and the fixed grid plate are parallelly abutted but not contacted. The integrated circuit, the display and the switch are also arranged in the housing. The force-displacement converter is an elastic element, one end of which is connected with the moving rod and the other end of which is connected with the main shell. One end of the force-displacement converter or the moving rod is exposed out of the main shell and is in direct contact with a force medium, the sensed force is converted into corresponding displacement through the force-displacement converter, and the moving grid plate and the fixed grid plate are relatively displaced to generate an electric signal which is directly displayed on a display or output through an interface. The advantages are that: electronic type, digitalization, direct, convenient and accurate reading; low voltage, micro power consumption; the sensitivity is high; the system has multiple functions of zero position selection, unit conversion, data retention, numerical value presetting, absolute and relative measurement, automatic tracking and the like; it is suitable for measuring water depth, liquid level, water pressure, air pressure, gravity, tension, pressure, etc.
Description
(1) technical field
The utility model relates to a kind of force measurement device, is specially a kind of electronic dynamometer.
(2) technical background
Mostly existing pressure gauge or draw-bar donamometer are to adopt mechanical system to convert pressure to angular displacement or displacement of the lines, read pressure value on index dial.This method reading is not directly perceived, has parallax, low precision, and also the data of institute's dynamometry can not directly export transmission, can not satisfy the needs of modern testing.And emerging electronic dynamometer power consumption electric signal function big, output is single, also is difficult to satisfy the needs of modern testing.
(3) utility model content
The purpose of this utility model is a kind of electronic dynamometer of design, but measuring pressure or pulling force directly show the testing result of power, and detection speed is fast, and convenient reading is accurate, and power consumption is small, and the electric signal of output has multinomial function.
Electronic dynamometer of the present utility model comprises main casing, case, power supply, integrated circuit, display, moving bar, also comprises grid formula displacement transducer, power-displacement trasducer, and moving bar is housed in the main casing, moves between bar and main casing to movingly.Grid formula displacement transducer is made up of grid shape measuring sensor, promptly is made up of moving grid plate, fixed grid plate.Install the moving grid plate on the moving bar.Install the fixed grid plate on the case, case and main casing are affixed, and the sealing main casing, the moving grid plate parallel with the fixed grid plate near but do not contact.Surface-mounted integrated circuit, power supply, display, operation push-button also are housed in the case.Power-displacement trasducer is a flexible member, and an end is connected with moving bar, and the other end is connected with main casing.One end of power-displacement trasducer or moving bar is exposed to outside the main casing, directly contacts with power media, and the power of experiencing converts corresponding displacement to by power-displacement trasducer, drives moving bar displacement.And moving grid plate that moving bar is synchronized with the movement and the displacement between the fixed grid plate produce electric signal, and this signal directly shows on display through the numerical value of integrated circuit converting to force, or this electric signal is exported by output interface.After acting force disappears, power-displacement trasducer return, moving bar reposition.On the moving bar stopper slot is arranged, install positive stop key in the main casing, positive stop key is stuck in the stopper slot, guarantees that moving bar can not rotate, and keeps the parallel of moving grid plate and fixed grid plate when mobile.
The advantage of the utility model electronic dynamometer is: 1 electronic type, and digitizing, reading is directly, conveniently, accurately; 2 low-voltages, little power consumption, it is hundreds of to thousands of hours that only the button cell of one or two 1.5V gets final product continuous working; But the displacement that 3 grid formula displacement transducer perception are 0.01～0.001 millimeter, thereby guarantee the sensitivity of this dynamometer; 4 handle electric signal by integrated circuit, this dynamometer has that zero-bit is optional, system of units conversion, data keep, numerical value presets, power supply control and warning, absolute and relative measurement, from the motion tracking maximal value, from multinomial functions such as motion tracking minimum value; 5 dynamometers are suitable for multiple use, as bathymetric survey, level gauging, water-pressure survey, barometric surveying and gravimetry, tension measurement, pressure survey etc.
(4) description of drawings
Fig. 1 is the sectional view of the utility model electronic dynamometer embodiment 1;
Fig. 2 is Fig. 1 A-A sectional view;
Fig. 3 is the sectional view of the utility model electronic dynamometer embodiment 2.
(5) embodiment
Be the embodiment 1 of electronic dynamometer of the present utility model as shown in Figure 1 and Figure 2, comprise main casing 10, case 5, power supply, integrated circuit, display 4, moving bar 8, also comprise grid formula displacement transducer, power-displacement trasducer.Its display 4 is LCD or light emitting diode nixie display.Moving bar 8 is housed in the main casing 10, and 10 of moving bar 8 and main casings are for movingly.Grid formula displacement transducer is made up of grid shape measuring sensor, promptly is made up of moving grid plate 3, fixed grid plate 2.Install moving grid plate 3 on the moving bar 8.Install fixed grid plate 2 on the case 5, case 5 is affixed with main casing 10, and sealing main casing 10, moving grid plate 3 and fixed grid plate 2 parallel near but do not contact.Surface-mounted integrated circuit, power supply, display 4, operation push-button 1 also are housed in the case 5.Power-displacement trasducer is bellows spring or diaphragm spring 7, and its outer rim and main casing 10 are affixed, and its inner face middle part and moving bar 8 are affixed.The outer face of bellows spring or diaphragm spring 7 is exposed to outside the main casing 10, directly contacts with power media.The power that experience the outer face of bellows spring or diaphragm spring 7 makes it to produce distortion, moving bar 8 displacements of compressing.And moving grid plate 3 that moving bar 8 is synchronized with the movement and the displacement between the fixed grid plate produce electric signal, and this signal directly shows on display 4 through the numerical value of integrated circuit converting to force, or this electric signal is exported by output interface.After acting on the pressure disappearance of bellows spring or diaphragm spring 7 outer faces, bellows spring or diaphragm spring 7 restore to the original state, moving bar 8 repositions.
On the moving bar 8 stopper slot is arranged, install positive stop key 9 in the main casing 10, positive stop key 9 is stuck in the stopper slot of moving bar 8, guarantees that moving bar 8 can not rotate, and keeps the parallel of moving grid plate 3 and fixed grid plate 2 when mobile.
The rear and front end of main casing 10 has preceding closure plate 6 and rear blocking plate 11 respectively.Before and after between closure plate 6,11 and the main casing 10, between bellows spring or diaphragm spring 7 and the main casing 10, between case 5 and the main casing 10, between display 4 and operation push-button 1 and the case 5, between positive stop key 9 and the main casing 10 sealed waterproof device is arranged all, guarantee the enclosure space sealing that main casing 10 and case 5 constitute, waterproof.
Fixed grid plate 2 is connected with the output interface of waterproof, electric signal directly can be sent.
The embodiment 2 of electronic dynamometer of the present utility model as shown in Figure 3, structure is substantially the same manner as Example 1, power-displacement trasducer is a volute spring 7 ', the one end is connected with moving bar 8, the other end is connected with main casing 10.Moving bar 8 front ends stretch out main casing 10, and front top connects pull hook 12.When pull hook 12 was subjected to pulling force, moving bar 8 translations made moving grid plate 3 and 2 relative displacements of fixed grid plate produce electric signal.
Claims (10)
1 one kinds of electronic dynamometers, comprise main casing (10), case (5), power supply, integrated circuit, display (4), moving bar (8), moving bar (8) is housed in the main casing (10), move between bar (8) and main casing (10) to movingly, case (5) is affixed with main casing (10), and sealing main casing (10); It is characterized by:
Also comprise grid formula displacement transducer, power-displacement trasducer, grid formula displacement transducer is made up of grid shape measuring sensor, promptly form by moving grid plate (3), fixed grid plate (2), install moving grid plate (3) on the moving bar (8), install fixed grid plate (2) on the case (5), moving grid plate (3) parallel with fixed grid plate (2) near but do not contact; Surface-mounted integrated circuit, display (4), operation push-button (1) also are housed in the main casing (10); Power-displacement trasducer is a flexible member, and an end is connected with moving bar (8), and the other end is connected with main casing (10); One end of power-displacement trasducer or moving bar (8) is exposed to outside the main casing (10), directly contacts with power media.
2 electronic dynamometers according to claim 1 is characterized by:
Power-displacement trasducer is bellows spring or diaphragm spring (7), and its outer rim and main casing (10) are affixed, and its inner face middle part is affixed with moving bar (8), and the outer face of bellows spring or diaphragm spring (7) is exposed to outside the main casing (10), directly contacts with power media.
3 electronic dynamometers according to claim 1 is characterized by:
Power-displacement trasducer is a volute spring (7 '), and the one end is connected with moving bar (8), and the other end is connected with main casing (10); Moving bar (8) front end stretches out main casing (10), and front top connects pull hook (12).
4 according to claim 1 or 2 or 3 described electronic dynamometers, it is characterized by:
On the moving bar (8) stopper slot is arranged, install positive stop key (9) in the main casing (10), positive stop key (9) is stuck in the stopper slot of moving bar (8).
5 according to claim 1 or 2 or 3 described electronic dynamometers, it is characterized by:
The rear and front end of main casing (10) has preceding closure plate (6) and rear blocking plate (11) respectively, between front and back closure plate (6,11) and the main casing (10), between bellows spring or diaphragm spring (7) and the main casing (10), between case (5) and the main casing (10), between display (4) and operation push-button (1) and case (5), positive stop key (9) and the main casing (10) sealed waterproof device is arranged all.
6 electronic dynamometers according to claim 4 is characterized by:
The rear and front end of main casing (10) has preceding closure plate (6) and rear blocking plate (11) respectively, between front and back closure plate (6,11) and the main casing (10), between bellows spring or diaphragm spring (7) and the main casing (10), between case (5) and the main casing (10), between display (4) and operation push-button (1) and case (5), positive stop key (9) and the main casing (10) sealed waterproof device is arranged all.
7 according to claim 1 or 2 or 3 described electronic dynamometers, it is characterized by:
Fixed grid plate (2) is connected with the output interface of waterproof.
8 electronic dynamometers according to claim 4 is characterized by:
Fixed grid plate (2) is connected with the output interface of waterproof.
9 electronic dynamometers according to claim 5 is characterized by:
Fixed grid plate (2) is connected with the output interface of waterproof.
10 according to claim 1 or 2 or 3 described electronic dynamometers, it is characterized by:
Described display (4) is LCD or light emitting diode nixie display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02276710 CN2570759Y (en) | 2002-09-26 | 2002-09-26 | Electronic dynamometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02276710 CN2570759Y (en) | 2002-09-26 | 2002-09-26 | Electronic dynamometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2570759Y true CN2570759Y (en) | 2003-09-03 |
Family
ID=33740510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02276710 Expired - Fee Related CN2570759Y (en) | 2002-09-26 | 2002-09-26 | Electronic dynamometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2570759Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107976313A (en) * | 2017-11-29 | 2018-05-01 | 苏州金钜松机电有限公司 | A kind of belt test suite of stretching-machine |
-
2002
- 2002-09-26 CN CN 02276710 patent/CN2570759Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107976313A (en) * | 2017-11-29 | 2018-05-01 | 苏州金钜松机电有限公司 | A kind of belt test suite of stretching-machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |