CN207894403U - A kind of inclination angle test system - Google Patents
A kind of inclination angle test system Download PDFInfo
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- CN207894403U CN207894403U CN201721781658.6U CN201721781658U CN207894403U CN 207894403 U CN207894403 U CN 207894403U CN 201721781658 U CN201721781658 U CN 201721781658U CN 207894403 U CN207894403 U CN 207894403U
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Abstract
The utility model belongs to instrument field, specifically discloses a kind of inclination angle test system, including measuring node；Each measuring node includes accelerometer, one-chip computer module, power module and display；Accelerometer connects one-chip computer module；Power module and display are connect with one-chip computer module respectively.The accelerometer and one-chip computer module of each measuring node of the utility model can measure inclination angle, and the display connected on one-chip computer module can power measurement result real-time display, power module to one-chip computer module so that power supply is more stablized.
Description
Technical field
The utility model belongs to instrument field, and in particular to a kind of inclination angle test system.
Background technology
Industry and aviation field have inclination angle measurement important demand.And dynamic, wide range inclination angle measuring technique exist
It is widely used, has in measurement of flying posture, spacecraft inertial measurement system and excavator gripping arm attitude control system
Failure prejudges, the important meaning of inertial navigation.
It is in jounce condition in flight course, there is pitch angle, roll angle variation, and airborne " communication in moving " antenna needs one
Metastable platform needs corresponding Pitch system to monitor in real time, and servo motor is coordinated to ensure aircraft during the motion
Tracking to satellite；Excavator gripping arm attitude control system, underground drill rig directional drilling system, do not require nothing more than to harsh ring
The superpower adaptability in border, and it is needed to meet ± 180 ° of a wide range of interior inclination datas, and sap a gallery for conventional wires
Multinode measurement there are many hidden danger, need a kind of novel wireless, wide range inclination measuring system.
Existing measuring device can only measure individual node inclination angle, not show equipment by measurement result real-time display.
Utility model content
For problems of the prior art, the utility model provides a kind of inclination angle test system, can will will measure
As a result real-time display.
The utility model is to be achieved through the following technical solutions：
A kind of inclination angle test system, which is characterized in that including measuring node；Each measuring node include accelerometer,
One-chip computer module, power module and display；Accelerometer connects one-chip computer module；Power module and display respectively with monolithic
Machine module connects；
Accelerometer is used to measure the acceleration of current tested node and transfers data to one-chip computer module；
One-chip computer module is used to obtain the inclination angle of tested node according to the measurement data of accelerometer, and by tested node
Inclination angle is sent to display；
Power module is used to power to one-chip computer module；
Display is used to receive and show the inclination data for the tested node that one-chip computer module is sent；
Including multiple measuring nodes, the one-chip computer module of each measuring node is also associated with communication module；Multiple measurement sections
It is host node one of in point, remaining is from node；Host node receives all tested sections from node by communication module
The inclination data of point.
The communication module includes wireless communication module.
The communication module includes usb communication module.
The one-chip computer module is also associated with memory.
The memory is eeprom memory.
The power module includes USB power supply modules.
The power module includes battery.
The battery is rechargeable battery, and rechargeable battery is also associated with charging circuit, short-circuit protection circuit and overcharges
Protect circuit.
The display is LCD display.
Compared with prior art, the utility model has technique effect beneficial below：
The accelerometer and one-chip computer module of each measuring node of the utility model can measure inclination angle, microcontroller mould
The display connected on block can power measurement result real-time display, power module to one-chip computer module so that power supply
More stablize.
Further, the utility model uses multiple measuring nodes, and the one-chip computer module of each measuring node is also connected with
There is communication module；It is host node one of in multiple measuring nodes, remaining is from node；Host node is connect by communication module
Receive the inclination data of all tested nodes from node.Multiple measuring nodes are by communication module networking, to multiple measurement positions
It is tested, and is shown on the display of host node, setting in this way can monitor multiple measurement positions in real time；It can be comprehensive
Reflection equipment under test angled state.After multiple measuring node networkings, node where each measuring node can calculate in real time
Inclination value, and host node Networking Technology Analysis can be uploaded data to, it solves urgently to be resolved hurrily as those skilled in the art
Technical barrier.
Further, the communication module of the utility model includes wireless communication module, and wireless communication module adaptability is good, by
Geographical environment limitation is small.
Further, the communication module of the utility model includes usb communication module, and the communication of usb communication module is quick.
Further, the one-chip computer module of the utility model is also associated with memory, and memory is used for after system power failure certainly
The dynamic parameter for preserving configuration, can recovery system configures from memory automatically parameter after system electrification.
Further, the memory of the utility model is eeprom memory, easy to use.
Further, the power module of the utility model includes USB power supply modules, USB powered stables, reliably.
Further, the power module of the utility model includes battery, and battery is convenient for carrying and replaces, powered stable.
Further, the battery of the utility model is rechargeable battery, and rechargeable battery is also associated with charging circuit, short circuit
Circuit and overcharge protection circuit are protected, can be when battery charge, real-time guard.
Further, the display of the utility model is LCD display, and LCD display fuselage is thin, power saving, Low emissivity, is drawn
Face is soft not to hinder eye.
Description of the drawings
Fig. 1 is the utility model individual node structural schematic diagram；
Fig. 2 is the utility model node networking schematic diagram；
Fig. 3 is the software flow pattern that the utility model tests system.
In figure：1 is accelerometer；2 be one-chip computer module；3 be USB power supply modules；4 be battery；5 be power module；6 are
Display；7 be memory；8 be communication module；9 be usb communication module；10 be wireless communication module；12 be wireless host node；
13 is first wirelessly from nodes；14 is second wirelessly from nodes；15 is the 6th wirelessly from nodes.
Specific implementation mode
The following describes the utility model in further detail with reference to the accompanying drawings, it is described be the explanation to the utility model and
It is not to limit.
Referring to Fig. 1-3, a kind of inclination angle test system, which is characterized in that including measuring node；Each measuring node includes
Accelerometer 1, one-chip computer module 2, power module 5 and display 6；Accelerometer 1 connects one-chip computer module 2；5 He of power module
Display 6 is connect with one-chip computer module 2 respectively；
Accelerometer 1 is used to measure the acceleration of current tested node and transfers data to one-chip computer module 2；
One-chip computer module 2 is used to obtain the inclination angle of tested node according to the measurement data of accelerometer, and by tested node
Inclination angle be sent to display 6；
Power module 5 is used to power to one-chip computer module 2；
Display 6 is used to receive and show the inclination data for the tested node that one-chip computer module 2 is sent；
Including multiple measuring nodes, the one-chip computer module 2 of each measuring node is also associated with communication module 8；Multiple measurements
It is host node one of in node, remaining is from node；Host node is received all from the tested of node by communication module 8
The inclination data of node.The acceleration of current tested node is measured from the accelerometer 1 of node and transfers data to this from section
The one-chip computer module 2 of point should obtain inclining for tested node from the one-chip computer module 2 of node according to the measurement data of accelerometer
Angle, and should be from one-chip computer module 2 of node by the communication module 8 of the communication module 8 and host node from node, by this
The inclination angle that node is tested from node is transferred to the one-chip computer module 2 of host node, and the one-chip computer module 2 of host node again should be from node
The inclination angle of tested node and the inclination angle of the tested node of host node are sent to the display 6 of host node, and such host node is shown
Show that device 6 can show the inclination angle at the inclination angle of the tested node of host node and the tested node from node simultaneously.
The communication module 8 includes wireless communication module 10.
The communication module 8 includes usb communication module 9.The usb communication module shares same with USB power supply modules
USB data line, it is convenient and reliable.
The one-chip computer module 2 is also associated with memory 7.
The memory 7 is eeprom memory.
The power module 5 includes USB power supply modules.
The power module 5 includes battery 4.
The battery 4 is rechargeable battery, and rechargeable battery is also associated with charging circuit, short-circuit protection circuit and overcharges
Protect circuit.
The display 6 is LCD display.LCD display can with the obliquity information residing for real-time display individual node, and
In each single node obliquity information of host node System.
Data processing module is provided in one-chip computer module 2, data processing module is the knot of chip microcontroller data processing
The structure of structure, this microcontroller carries out signal condition and calculation process to the data that accelerometer 1 inputs.Accelerometer 1 and number
It is communicated using iic bus according to processing module, the address of accelerometer 1 is different, and data processing module is distinguished according to address
Access each accelerometer 1.The application selects ARM microcontrollers, since the I2C resources inside ARM microcontrollers are limited, so using
ARM single-chip data input/output interfaces carry out analogue I2C bus.It, can be total in 1 I2C by being set to 0 to chip select pin, setting 1 operation
2 acceleration chips of carry on line, maximum effect utilize digital input-output interface abundant inside ARM microcontrollers.
The three axis accelerometer that the accelerometer 1 uses, maximum range can reach ± 16g, and range as needed may be used
To be selected as ± 2g, ± 4g, ± 8g, ± 16g, by data processing module, after adding evaluation to be calculated by filtering on three axis, then root
According to the relationship of acceleration indicating value and inclination angle, it is converted into residing plane and gravity direction angle, may be implemented and 360 direction of gravity
It is accurate to measure.
Accelerometer 1 belongs to sensor, and accelerometer 1 resolves the basic principle at inclination angle：Due to acceleration of gravity direction base
This determination calculates accelerometer sensitive axis and gravity Vertical Square according to acceleration of gravity and accelerometer sensitive angular separation
To angle, formula is：
Aout=g sin θsout (1)
θout=arcsin (Aout/g) (2)
Wherein θoutFor plane residing for accelerometer 1 and gravity direction angle namely inclination angle；Aout is the reading of accelerometer 1
Number, g is acceleration of gravity.
The reading of accelerometer 1 is converted into the formula of plane and gravity direction angle residing for accelerometer 1, is existing skill
Art；The technical issues of the application is solved be " existing measuring device can only individual node measure, do not show equipment will measure
As a result the test of real-time display, gamut；And individual node measure cannot comprehensive consersion unit angled state.", and
It, can be by measurement result real-time display by display；And multiple measuring nodes can be connected by communication module networking
Test system is tested multiple measurement positions, and is shown on display, can in real time be monitored to multiple measurement positions；
It can comprehensively reflect the angled state of equipment.
Two parts, external USB 5V power supply modules 3 and battery 4 is arranged in power module 5, and external USB 5V power supply modules 3 can
Individually power supply, the power supply exported are powered to all devices.In order to adapt to external different power input requirement, the outside of design
The input of USB5V power supply modules 3 is powered using 7~36V, can be matched with the common DC voltage in outside.When external unpowered,
The power supply of battery 4 may be used, inside uses large capacity 3.7V lithium ion batteries, and interior design charging circuit, outside can be straight
It connects and is charged with 5V power supplys.In addition, being integrated with charging circuit, short-circuit protection circuit on the battery circuit and overcharging protection electricity
Road, when not enough power supply, judges state of charge, charging interface is using 5V's for detecting remaining capacity in real time by LED color
Aviation plug is inserted and is filled.
Memory 8 uses eeprom memory, using AT24C64, the parameter for automatically saving configuration after system power failure,
After system electrification can automatically from EEPROM recovery system configure parameter.ARM microcontrollers are exchanged using iic bus with EEPROM
Data.
There are two types of communication modules 8, usb communication module 9 and wireless communication module 10.When ARM microcontrollers pass through with computer
When usb communication module 9 connects, using RS232 communication protocols, the two carries out the level of TTL and RS232 using MAX3232 chips
Conversion.Wireless communication module 10 uses nRF2401+ for transceiving chip, and data exchange is carried out using spi bus and ARM microcontrollers.
Communication module is suitable for a variety of communicating requirements, by the human-computer interaction interface of host computer, can configure as needed and is
The parameter of system, such as RTC clock, transducer range, threshold value and device sleeps and startup time, all operating parameters can be real-time
It uploads to computer and carries out graphical display.
Fig. 2 is a kind of wireless network architecture figure of inclination angle test system used by the utility model.By a wireless section
Point is used as wireless host node 0, and others are as wirelessly from node.Its data exchange passes through the radio communication mold in communication module 8
Block 10 carries out transmitting-receiving operation.Real time data wirelessly is collected from node 1,2 ... when multiple, passes through spi bus and wireless main section
Point 0 carries out data interaction, wireless host node 0 according to each from address of node difference, access respectively it is each wirelessly from node 1,
2…….The wireless host node also can upward networking again, collect the wireless host node 0,1 ... wirelessly from node data
Data interaction is carried out by spi bus and the wireless host node of higher level.Each node serves as the effect of information relaying, is previous node
Information summarize after be sent to next node, effectively raise the distance arranged net.
Fig. 3 is the control flow chart that system is tested at the utility model inclination angle, and flow is as follows：
SS1.ARM microcontrollers initialize the peripheral hardwares such as port, clock, house dog, SPI, I2C, interruption, communication.
SS2. microcontroller reads EEPROM and configures parameter, and undated parameter is run.
SS3. it is to prevent from house dog from overflowing microcontroller is caused to reset repeatedly, microcontroller feeds dog to it.
SS4. current time is updated according to the correction time parameter that GPS or computer are sent.
SS5. microcontroller judges whether the sampling time arrives according to Interruption, and SS9 is gone to if being less than, is otherwise turned
To next step SS6.
SS6. acceleration information is read, is updated the data.
SS7. this node of data processing acceleration information obtains inclination data and updates after filtered calculating.
SS8. inclination data wirelessly is sent to wireless host node from node by communication module.
SS9. PERCOM peripheral communication interruption is judged whether there is to be run by default parameters if interrupted without PERCOM peripheral communication, if
There is PERCOM peripheral communication interruption, then according to the messaging parameter update setting received, and by these parameter read-ins EEPROM.
Then whether the time for SS10. judging data record, if to not arriving, go to SS3, continue waiting for program
It recycles again.If recording the time to arrive, next step SS11 is gone to.
SS11. wireless host node LCD shows affiliated wirelessly from the real-time inclination data of node.
SS13. whether determining program stops, if do not stopped, continuing to SS3 operations, terminates journey if stopping
Sequence.
The above content is only to illustrate the technological thought of the utility model, and the protection model of the utility model cannot be limited with this
Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical solution each falls within this reality
Within protection domain with novel claims.
Claims (10)
1. system is tested at a kind of inclination angle, which is characterized in that including measuring node；Each measuring node include accelerometer (1),
One-chip computer module (2), power module (5) and display (6)；Accelerometer (1) connects one-chip computer module (2)；Power module (5)
It is connect respectively with one-chip computer module (2) with display (6)；
Accelerometer (1) is used to measure the acceleration of current tested node and transfers data to one-chip computer module (2)；
One-chip computer module (2) is used to obtain the inclination angle of tested node according to the measurement data of accelerometer, and by tested node
Inclination angle is sent to display (6)；
Power module (5) is used to power to one-chip computer module (2)；
Display (6) is used to receive and show the inclination data for the tested node that one-chip computer module (2) is sent.
2. system is tested at inclination angle according to claim 1, which is characterized in that each to measure section including multiple measuring nodes
The one-chip computer module (2) of point is also associated with communication module (8)；It is host node one of in multiple measuring nodes, remaining is
From node；Host node receives the inclination data of all tested nodes from node by communication module (8).
3. system is tested at inclination angle according to claim 2, which is characterized in that the communication module (8) includes wireless communication
Module (10).
4. system is tested at inclination angle according to claim 2, which is characterized in that the communication module (8) includes usb communication mould
Block (9).
5. system is tested at inclination angle according to claim 1, which is characterized in that the one-chip computer module (2), which is also associated with, deposits
Reservoir (7).
6. system is tested at inclination angle according to claim 5, which is characterized in that the memory (7) is eeprom memory.
7. system is tested at inclination angle according to claim 1, which is characterized in that the power module (5) includes USB power supply moulds
Block.
8. system is tested at inclination angle according to claim 1, which is characterized in that the power module (5) includes battery (4).
9. system is tested at inclination angle according to claim 8, which is characterized in that the battery (4) is rechargeable battery, can be filled
Battery is also associated with charging circuit, short-circuit protection circuit and overcharge protection circuit.
10. system is tested at inclination angle according to claim 1, which is characterized in that the display (6) is LCD display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721781658.6U CN207894403U (en) | 2017-12-19 | 2017-12-19 | A kind of inclination angle test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721781658.6U CN207894403U (en) | 2017-12-19 | 2017-12-19 | A kind of inclination angle test system |
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| Publication Number | Publication Date |
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| CN207894403U true CN207894403U (en) | 2018-09-21 |
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| CN201721781658.6U Active CN207894403U (en) | 2017-12-19 | 2017-12-19 | A kind of inclination angle test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111076748A (en) * | 2020-01-06 | 2020-04-28 | 重庆邮电大学 | Horizontal inclinometer error compensation method and system based on MEMS accelerometer |
-
2017
- 2017-12-19 CN CN201721781658.6U patent/CN207894403U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111076748A (en) * | 2020-01-06 | 2020-04-28 | 重庆邮电大学 | Horizontal inclinometer error compensation method and system based on MEMS accelerometer |
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