CN208125125U - A kind of level position indicator - Google Patents
A kind of level position indicator Download PDFInfo
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- CN208125125U CN208125125U CN201820578034.2U CN201820578034U CN208125125U CN 208125125 U CN208125125 U CN 208125125U CN 201820578034 U CN201820578034 U CN 201820578034U CN 208125125 U CN208125125 U CN 208125125U
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- receiving end
- transmitting terminal
- module
- microcontroller
- spread spectrum
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Abstract
The utility model discloses a kind of level position indicators, including the ranging emitter being set on level and the ranging reception device being set on two indium steel rulers；The ranging emitter is mainly made of transmitting terminal GPS module, transmitting terminal microcontroller, transmitting terminal spread spectrum radio transmission module and transmitting terminal power module, and the ranging reception device is mainly made of receiving end GPS module, receiving end microcontroller, receiving end spread spectrum radio transmission module, display screen and receiving end power module.The utility model has saved the time of measuring tape rope control sighting distance difference, is not also influenced by topography and geomorphology, time of measuring has been greatly shortened, to promote working efficiency；And it is lightweight and convenient, it is easy to get started, convenient for operation, observe in real time.
Description
Technical field
The utility model relates to technical field of distance measurement, specially a kind of level position indicator.
Background technique
Currently, in China's measurement of the level control front-and rear-view away from difference mode mainly or using old walking control away from or carve
Degree rope control away from.Walking control is away from being that step identical step according to human body poor to control sighting distance, and drawback is it is clear that because each
One step spacing of people be all it is different, even if special messenger be responsible for walking control sighting distance it is poor, sometimes as step pitch is different and leads
Sighting distance difference is caused to transfinite.The control of scale rope is away from also more troublesome, and poor ductility is very big by the influence of topography, and complicated landform is difficult out
Work is opened up, for the landform of flower nursery one kind, instrument can be observed, but rope is not easy to intert, and control does not come up away from improved efficiency.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of level position indicator, it is poor conveniently and efficiently to control sighting distance,
The measurement of the level is carried out for auxiliary level instrument.
A kind of level position indicator including the ranging emitter being set on level and is set on two indium steel rulers
Ranging reception device；
The ranging emitter is mainly transmitted by transmitting terminal GPS module, transmitting terminal microcontroller, transmitting terminal spread spectrum radio
Module and transmitting terminal power module composition, the transmitting terminal GPS module connect the transmitting terminal microcontroller, and the transmitting terminal is micro-
Controller is bi-directionally connected the transmitting terminal spread spectrum radio transmission module；
The ranging reception device is mainly transmitted by receiving end GPS module, receiving end microcontroller, receiving end spread spectrum radio
Module, display screen and receiving end power module composition, the receiving end GPS module connects the receiving end microcontroller, described
Receiving end microcontroller is bi-directionally connected the receiving end spread spectrum radio transmission module, and the receiving end microcontroller connection is described aobvious
Display screen；
The transmitting terminal/receiving end GPS module is mainly made of receiving unit and antenna element, and the receiving unit uses
SDT11 module, the antenna element are made of receiving antenna, preamplifier and frequency converter；Transmitting terminal/the receiving end
Spread spectrum radio transmission module uses 9XTend module；The transmitting terminal/receiving end microcontroller mainly uses AVR chip
ATmega16A；
It is equipped between the transmitting terminal/receiving end microcontroller and the transmitting terminal/receiving end spread spectrum radio transmission module
Level translation module, the level translation module mainly use chip SN74HC245.
Preferably, the receiving antenna is right-handed circular polarization.
Preferably, the power module mainly uses LM2576 switching power supply and REG1117-3.3 low voltage difference pressure stabilizing
Device.
The beneficial effects of the utility model：It the time for having saved measuring tape rope, is not also influenced by topography and geomorphology, is significantly contracted
Short time of measuring, to promote working efficiency；And it is lightweight and convenient, it is easy to get started, convenient for operation, observe in real time.
Detailed description of the invention
Fig. 1 is the schematic view of the mounting position of ranging emitter and ranging reception device；
Fig. 2 is the composition schematic diagram of ranging emitter；
Fig. 3 is the composition schematic diagram of ranging reception device；
Fig. 4 is the main composition figure of GPS module；
Fig. 5 is SDT11 module pin wiring diagram；
Fig. 6 is 9XTend module pin wiring diagram；
Fig. 7 is the periphery ATmega16A wiring diagram；
Fig. 8 is the circuit diagram of level switch module；
Fig. 9 is the circuit diagram of power module.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of level position indicator, as shown in Figure 1, including the ranging emitter 1 being set on level and being set to two
Ranging reception device 2 on root indium steel ruler；
The ranging emitter 1, as shown in Fig. 2, mainly by transmitting terminal GPS module 101, transmitting terminal microcontroller 102,
Transmitting terminal spread spectrum radio transmission module 103 and transmitting terminal power module composition, the transmitting terminal GPS module 101 connect the hair
End microcontroller 102 is penetrated, the transmitting terminal microcontroller 102 is bi-directionally connected the transmitting terminal spread spectrum radio transmission module 103；
The ranging reception device 2, as shown in figure 3, mainly by receiving end GPS module 201, receiving end microcontroller 202,
Receiving end spread spectrum radio transmission module 203, display screen 204 and receiving end power module composition, the receiving end GPS module 201
The receiving end microcontroller 202 is connected, the receiving end microcontroller 202 is bi-directionally connected the receiving end spread spectrum radio transmission
Module 203, the receiving end microcontroller 202 connect the display screen 204；
The transmitting terminal/receiving end GPS module is mainly made of receiving unit and antenna element, and Fig. 4 is the master of GPS module
Constitute figure.
The receiving unit uses SDT11 module, which has the receiving sensitivity of -158dBm, and positioning accuracy is reachable
The scope of application and measurement accuracy of system can be effectively ensured in 2.5m, high receiving sensitivity and positioning accuracy.Fig. 5 is SDT11 mould
Block pin wiring diagram.
The antenna element is made of receiving antenna, preamplifier and frequency converter, and preamplifier is to make
It obtains and maintains a low noise coefficient in ranging reception device.
The transmitting terminal/receiving end spread spectrum radio transmission module uses 9XTend module, which is mainly characterized by, with
Conventional wireless modulation system is compared, and uses spread spectrum communication mode that can transmit in the case where identical transmission power farther
Distance.For 9XTend module under 5V voltage, current drain only has 780mA, and output power is exportable to meet up to 1W (30dBm)
The 4W power of FCC standard, while AES data encryption feature being provided, it is suitable for ATM, POS terminal and wireless remote control system etc.
Security application.It joined Anti-Jamming Technique in 9XTend module modem, the radio frequency that can avoid the wireless systems such as mobile phone is dry
It disturbs.Fig. 6 is 9XTend module pin wiring diagram.
It is the periphery ATmega16A that the transmitting terminal/receiving end microcontroller, which mainly uses AVR chip ATmega16A, Fig. 7,
Wiring diagram.
The level of microcontroller is different with the level of spread spectrum radio transmission module, is 5V and 3VTTL level respectively, to realize
The transmitted in both directions of data is completed the level translation function of crossing in communication using SN74HC245, makes the 5VTTL of spread spectrum radio module
Level conversion realizes the two-way communication of system at the 3.3VTTL level of control module.The transmitting terminal/receiving end microcontroller
Level translation module is equipped between the transmitting terminal/receiving end spread spectrum radio transmission module, the level translation module is main
It is the circuit diagram of level switch module using chip SN74HC245, Fig. 8.
Because satellite-signal is right-handed circular polarization form, relatively suitable conical spiral antenna or by its change shape into
Row receives, therefore, the Receiving antenna selection right-handed circular polarization antenna.
In radio ranging system, the part of main power consumption is spread spectrum radio communication module, and module work is sent out in 1W
Operating current can reach 700mA when penetrating power, it is therefore desirable to using the electrical level conversion chip of high current, to guarantee that system power supply needs
It asks.The power module mainly uses LM2576 switching power supply and REG1117-3.3 low-dropout regulator, and Fig. 9 is power supply
The circuit diagram of module.
In use, opening the ranging emitter on level, the ranging reception device on two indium steel rulers receives survey
Signal away from emitter transmitting calculates level to the distance of itself place indium steel ruler, and is shown；Certainly, may be used also
Range data to be wirelessly transmitted on portable mobile phone or tablet computer, convenient for observation.The utility model is intended to protect
The hardware of level position indicator is constituted, and the range measurement based on GPS signal is involved in, in the prior art not in the utility model
Protection scope.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (3)
1. a kind of level position indicator, which is characterized in that including the ranging emitter being set on level and be set to two
Ranging reception device on indium steel ruler；
The ranging emitter is mainly by transmitting terminal GPS module, transmitting terminal microcontroller, transmitting terminal spread spectrum radio transmission module
It is formed with transmitting terminal power module, the transmitting terminal GPS module connects the transmitting terminal microcontroller, the transmitting terminal microcontroller
Device is bi-directionally connected the transmitting terminal spread spectrum radio transmission module；
The ranging reception device mainly transmits mould by receiving end GPS module, receiving end microcontroller, receiving end spread spectrum radio
Block, display screen and receiving end power module composition, the receiving end GPS module connects the receiving end microcontroller, described to connect
Receiving end microcontroller is bi-directionally connected the receiving end spread spectrum radio transmission module, and the receiving end microcontroller connects the display
Screen；
The transmitting terminal/receiving end GPS module is mainly made of receiving unit and antenna element, and the receiving unit uses
SDT11 module, the antenna element are made of receiving antenna, preamplifier and frequency converter；Transmitting terminal/the receiving end
Spread spectrum radio transmission module uses 9XTend module；The transmitting terminal/receiving end microcontroller mainly uses AVR chip
ATmega16A；
Level is equipped between the transmitting terminal/receiving end microcontroller and the transmitting terminal/receiving end spread spectrum radio transmission module
Conversion module, the level translation module mainly use chip SN74HC245.
2. level position indicator according to claim 1, which is characterized in that the receiving antenna is right-handed circular polarization.
3. level position indicator according to claim 1, which is characterized in that the power module mainly uses LM2576 to switch
Regulated power supply and REG1117-3.3 low-dropout regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820578034.2U CN208125125U (en) | 2018-04-20 | 2018-04-20 | A kind of level position indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820578034.2U CN208125125U (en) | 2018-04-20 | 2018-04-20 | A kind of level position indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208125125U true CN208125125U (en) | 2018-11-20 |
Family
ID=64186588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820578034.2U Active CN208125125U (en) | 2018-04-20 | 2018-04-20 | A kind of level position indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208125125U (en) |
-
2018
- 2018-04-20 CN CN201820578034.2U patent/CN208125125U/en active Active
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