CN204065131U - A kind of pressure differential acceleration measurement device - Google Patents
A kind of pressure differential acceleration measurement device Download PDFInfo
- Publication number
- CN204065131U CN204065131U CN201420593321.2U CN201420593321U CN204065131U CN 204065131 U CN204065131 U CN 204065131U CN 201420593321 U CN201420593321 U CN 201420593321U CN 204065131 U CN204065131 U CN 204065131U
- Authority
- CN
- China
- Prior art keywords
- pressure transducer
- thing block
- processing module
- signal processing
- display screen
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of pressure differential acceleration measurement device, comprise bearing, acceleration sensing device and display screen, power supply and signal processing module is provided with in bearing, acceleration sensing device is cylindrical tube, the upper/lower terminal of pipe is fixed with the first pressure transducer and the second pressure transducer respectively, be provided with spring, the first thing block and the second thing block in pipe, the first thing block and the second thing block are pressed against on the first pressure transducer and the second pressure transducer respectively by spring; Power supply connects the first pressure transducer, the second pressure transducer, signal processing module and display screen respectively, first pressure transducer is connected with the input end electricity of signal processing module respectively with the output terminal of the second pressure transducer, and the output terminal of signal processing module is connected with display screen electricity.The utility model provides a kind of survey instrument of new acceleration.
Description
Technical field
The utility model belongs to surveying instrument field, relates to a kind of acceleration analysis instrument, is specially a kind of pressure differential acceleration measurement device.
Background technology
The physical quantity of the speed of the description object speed change of acceleration, measures the acceleration of object of which movement, is conducive to the assurance to object moving state.Its principle of the sensor of existing acceleration measurement and structure are comparatively complicated, cost is higher.
Summary of the invention
The purpose of this utility model, is a kind of clear principle of exploitation, structure is simple, cost is low, measures novel acceleration measurement device accurately.
In order to solve the problems of the technologies described above, the utility model by the following technical solutions:
A kind of pressure differential acceleration measurement device, comprise bearing, acceleration sensing device and display screen, acceleration sensing device is vertically fixed on bearing, display screen is located at abutment surface for display measurement result, power supply is provided with in bearing, signal processing module, signal processing module is for obtaining the accekeration corresponding with input signal, acceleration sensing device is cylindrical tube, pipe upper, lower two ends are fixed with the first pressure transducer and the second pressure transducer respectively, spring is provided with in pipe, first thing block and the second thing block, first thing block and the second thing block are cylindrical, spring is located between the first thing block and the second thing block, first thing block is pressed against on the first pressure transducer by spring, second thing block is pressed against on the second pressure transducer by spring, it is that above-mentioned device is powered that power supply connects the first pressure transducer, the second pressure transducer, signal processing module and display screen respectively, first pressure transducer is connected with the input end electricity of signal processing module respectively with the output terminal of the second pressure transducer, and the output terminal of signal processing module is connected with display screen electricity.
First thing block is identical with the diameter of the second thing block, density is identical, identical in quality.
Measuring principle of the present utility model is as follows: establish the quality of the first thing block and the second thing block to be m, when the utility model vertically upwards moves with acceleration a, the system that the first thing block and spring and the second thing block form is subject to the downward directed force F of downward gravity 2mg, the first pressure transducer
1with the second pressure transducer directed force F upwards
2acting in conjunction, have F
2-F
1-2mg=2ma, can obtain acceleration a=(F
2-F
1)/2-g.In like manner, when the utility model lies low accelerated motion in the horizontal direction, the value that can obtain acceleration is a=(F
2-F
1)/2.Thus, as long as measure the pressure differential F of the second pressure transducer and the first pressure transducer
2-F
1, the value of acceleration a just can be obtained by signal processing module.
The utility model physical principle is clear, and structure is simple, cost is low, easy and simple to handle, not fragile, provides a kind of survey instrument of new acceleration.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is formation schematic diagram of the present utility model.
Fig. 2 is elementary diagram of the present utility model.
In figure: 1. bearing; 2. acceleration sensing device; 3. display screen; 4. power supply; 5. signal processing module; 21. first pressure transducers; 22. second pressure transducers; 23. springs; 24. first thing blocks; 25. second thing blocks.
Embodiment
As shown in Figure 1, acceleration sensing device 2 is vertically fixed on the middle part of bearing 1, acceleration sensing device 2 is cylindrical tube, the upper/lower terminal of pipe is fixed with the first pressure transducer 21 and the second pressure transducer 22 respectively, spring 23, first thing block 24 and the second thing block 25 is provided with in pipe, first thing block 24 and the second thing block 25 are cylindrical, spring 23 is located between the first thing block 24 and the second thing block 25, first thing block 24 is pressed against on the first pressure transducer 21 by spring 23, and the second thing block 25 is pressed against on the second pressure transducer 22 by spring 23; Display screen 3 is located at the surface of bearing 1.Also be provided with power supply 4, signal processing module 5 in bearing 1, signal processing module 5 is for obtaining the accekeration corresponding with input signal.
As shown in Figure 2, power supply 4 connects the first pressure transducer 21, second pressure transducer 22, signal processing module 5 and display screen 3 respectively and powers for above-mentioned device, first pressure transducer 21 is connected with the input end electricity of signal processing module 5 respectively with the output terminal of the second pressure transducer 22, and the output terminal of signal processing module 5 is connected with display screen 3 electricity.The effect of the first pressure transducer 21 and the second pressure transducer 22 respectively pressure is converted to corresponding electric signal to export.
For simplicity, the first thing block 24 is identical with the diameter of the second thing block 25, density is identical, identical in quality.
Display screen 3 is provided with zeroing knob for the zeroing before measuring, and is provided with mode selecting button for selecting the measurement of horizontal or vertical acceleration simultaneously.
Claims (2)
1. a pressure differential acceleration measurement device, comprise bearing (1), acceleration sensing device (2) and display screen (3), acceleration sensing device (2) is vertically fixed on bearing (1), display screen (3) is located at bearing (1) surface and is used for display measurement result, power supply (4) is provided with in bearing (1), signal processing module (5), it is characterized in that: described acceleration sensing device (2) is cylindrical tube, pipe upper, lower two ends are fixed with the first pressure transducer (21) and the second pressure transducer (22) respectively, spring (23) is provided with in pipe, first thing block (24) and the second thing block (25), first thing block (24) and the second thing block (25) are cylindrical, spring (23) is located between the first thing block (24) and the second thing block (25), first thing block (24) is pressed against on the first pressure transducer (21) by spring (23), second thing block (25) is pressed against on the second pressure transducer (22) by spring (23), described power supply (4) connects the first pressure transducer (21), the second pressure transducer (22), signal processing module (5) and display screen (6) respectively for above-mentioned device and powers, first pressure transducer (21) is connected with the input end electricity of signal processing module (5) respectively with the output terminal of the second pressure transducer (22), and the output terminal of signal processing module (5) is connected with display screen (3) electricity.
2. a kind of pressure differential acceleration measurement device according to claim 1, is characterized in that: described first thing block (24) is identical with the diameter of the second thing block (25), density is identical, identical in quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420593321.2U CN204065131U (en) | 2014-10-14 | 2014-10-14 | A kind of pressure differential acceleration measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420593321.2U CN204065131U (en) | 2014-10-14 | 2014-10-14 | A kind of pressure differential acceleration measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204065131U true CN204065131U (en) | 2014-12-31 |
Family
ID=52206616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420593321.2U Expired - Fee Related CN204065131U (en) | 2014-10-14 | 2014-10-14 | A kind of pressure differential acceleration measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204065131U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267213A (en) * | 2014-10-14 | 2015-01-07 | 江南大学 | Pressure sensing type acceleration measurement instrument |
-
2014
- 2014-10-14 CN CN201420593321.2U patent/CN204065131U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267213A (en) * | 2014-10-14 | 2015-01-07 | 江南大学 | Pressure sensing type acceleration measurement instrument |
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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: 20141231 Termination date: 20151014 |
|
| EXPY | Termination of patent right or utility model |