CN201199177Y - Portable wireless apparatus for weighing axle load dynamically - Google Patents
Portable wireless apparatus for weighing axle load dynamically Download PDFInfo
- Publication number
- CN201199177Y CN201199177Y CNU200820044702XU CN200820044702U CN201199177Y CN 201199177 Y CN201199177 Y CN 201199177Y CN U200820044702X U CNU200820044702X U CN U200820044702XU CN 200820044702 U CN200820044702 U CN 200820044702U CN 201199177 Y CN201199177 Y CN 201199177Y
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- CN
- China
- Prior art keywords
- circuit
- mcu microcontroller
- weighing device
- analog
- weight sensor
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- Expired - Fee Related
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Abstract
The utility model relates to a portable wireless dynamic axle weight weighing device, aiming at providing a portable dynamic axle weight weighing device with strong anti-interference capacity and long transmitting distance, which comprises an on-site weighing device and a backstage instrument; the on-site weighing device comprises a weighing platform, a weight sensor circuit, an operational amplifier circuit, an A/D conversion circuit, an MCU microprocessor circuit and a wireless transmitting circuit. The backstage instrument comprises a wireless receiving circuit, the MCU microprocessor circuit and an output and display circuit.
Description
Technical field
The utility model relates to a kind of meausring apparatus, the heavy meausring apparatus of especially a kind of portable mobile wireless dynamic shaft.
Background technology
The heavy meausring apparatus of known dynamic shaft includes on-the-spot weighing unit and backstage instrument, and the weight sensor circuit is installed under the weighing unit; Instrument includes operation amplifier circuit, A/D analog to digital conversion circuit, MCU microcontroller circuit, output display circuit etc.The weight sensor circuit is installed under the weighing unit, adopts cable to be connected between weighing unit and the backstage instrument, transmits the measuring-signal of simulating.Owing to transmit the simulating signal of mv level, very easily be subjected to external interference, the synchronous signal decay obviously causes cable to be unfit to do length.Particularly portable weighing unit mesa dimensions is suitable with the automotive wheel width, when wheel passes through weighing table, very easily damages connector by pressure, breaks cable, the inconvenience that causes system to use and keep in repair.This traditional scheme intrinsic defective, cause the use of portable Platform balance for shaft weight to can not get popularizing.
Summary of the invention
Be directed to the shortcoming of technology, the purpose of this utility model is to provide that a kind of antijamming capability is strong, the heavy meausring apparatus of the portable dynamic axle of long transmission distance, the heavy meausring apparatus of promptly a kind of portable mobile wireless dynamic shaft.
The technical scheme that its technical matters that solves the utility model adopts is: include on-the-spot weighing device and backstage instrument, on-the-spot weighing device includes weighing unit, weight sensor circuit, operational amplification circuit, A/D analog to digital conversion circuit, MCU microcontroller circuit, radio transmitter.Be equipped with in the weighing unit that weight sensor circuit, weight sensor circuit are connected with operational amplification circuit, operational amplification circuit is connected with the A/D analog to digital conversion circuit, the A/D analog to digital conversion circuit is connected with the MCU microcontroller circuit, the MCU microcontroller circuit is connected with radio transmitter; The backstage instrument includes wireless receiving circuit, MCU microcontroller circuit, output and display circuit.Wireless receiving circuit is connected with the MCU microcontroller circuit, the MCU microcontroller circuit is connected with its output and display circuit simultaneously.Described output and display circuit can be various numerals or screen display, printer etc.It can also be the computer of higher level.The MCU microcontroller circuit can also be connected with input circuit such as keyboard to draw together its functions of use of exhibition.
The beneficial effects of the utility model are: antijamming capability is strong, long transmission distance.Adopt digital sensor, improved the data-handling capacity of this system greatly.The feasible carrying of wireless transmission and easier for installation; Reliable transmission reaches 100 meters, and the operator can be away from the weighing scene.
Description of drawings
The utility model will be further described below in conjunction with accompanying drawing.
Fig. 1 is an on-the-spot weighing device circuit block diagram of the present utility model.
Fig. 2 is a backstage of the present utility model appliance circuit block scheme.
Among the figure: 11 is that weighing unit, 12 is that weight sensor circuit, 13 is that operational amplification circuit, 14 is that A/D analog to digital conversion circuit, 15 is that MCU microcontroller circuit, 16 is radio transmitter.
21 is that wireless receiving circuit, 22 is that MCU microcontroller circuit, 23 is output and display circuit.
Embodiment
Referring to accompanying drawing, the utility model includes on-the-spot weighing device and backstage instrument, it is characterized in that: on-the-spot weighing device includes weighing unit (11), weight sensor circuit (12), operational amplification circuit (13), A/D analog to digital conversion circuit (14), MCU microcontroller circuit (15), radio transmitter (16).Weight sensor circuit (12), weight sensor circuit (12) are housed in the weighing unit (11) are connected with operational amplification circuit that (13), operational amplification circuit (13) are connected with A/D analog to digital conversion circuit (14), A/D analog to digital conversion circuit (14) is connected with MCU microcontroller circuit (15), MCU microcontroller circuit (15) is connected with radio transmitter (16); The backstage instrument includes wireless receiving circuit (21), MCU microcontroller circuit (22), output and display circuit (23).Wireless receiving circuit is connected with MCU microcontroller circuit (22) with (21), MCU microcontroller circuit (22) is connected with its output and display circuit (23) simultaneously.Described output and display circuit (23) can be various numerals or screen display, printer etc.It can also be the computer of higher level.MCU microcontroller circuit (22) can also be connected to expand its functions of use with imput output circuits such as keyboard, alarms.
The table top of weighing unit (11) driven by automobile, weight sensor circuit (12) in the weighing unit converts the electrical signal to proportional voltage signal and delivers to operational amplification circuit connection (13), operational amplification circuit connects delivers to A/D analog to digital conversion circuit (14) after (13) amplify signal, A/D analog to digital conversion circuit (14) carries out the A/D analog to digital conversion data is delivered to MCU microcontroller circuit (22), after MCU microcontroller circuit (22) carries out data processing, send by radio transmitter (16) again.In backstage instrument one side, wireless receiving circuit (21) is delivered to MCU microcontroller circuit (22) after receiving signal from radio transmitter (16), and MCU microcontroller circuit (22) carries out after the digital processing showing, printing by output and display circuit (23) or is sent to the higher level computer.
The utility model can be used for:
The weighing and the Load Control of the load-carrying lorry of 1 transport by road, building, agricultural and waste disposal;
In 2 road administrations and the traffic police to the weight detecting and the monitoring of overloaded vehicle;
In 3 Automobile Design and the production run, to the measurement and the evaluation of wheel and axle load;
The load of 4 pairs of special cars detects and stability test, as the load weighing of fork truck, minor crane outrigger.
Claims (1)
1. a portable mobile wireless dynamic shaft weighs meausring apparatus, include on-the-spot weighing device and backstage instrument, it is characterized in that: on-the-spot weighing device includes weighing unit (11), weight sensor circuit (12), operational amplification circuit (13), A/D analog to digital conversion circuit (14), MCU microcontroller circuit (15), radio transmitter (16).Weight sensor circuit (12), weight sensor circuit (12) are housed in the weighing unit (11) are connected with operational amplification circuit that (13), operational amplification circuit (13) are connected with A/D analog to digital conversion circuit (14), A/D analog to digital conversion circuit (14) is connected with MCU microcontroller circuit (15), MCU microcontroller circuit (15) is connected with radio transmitter (16); The backstage instrument includes wireless receiving circuit (21), MCU microcontroller circuit (22), output and display circuit (23).Wireless receiving circuit is connected with MCU microcontroller circuit (22) with (21), MCU microcontroller circuit (22) is connected with its output and display circuit (23) simultaneously.。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820044702XU CN201199177Y (en) | 2008-03-10 | 2008-03-10 | Portable wireless apparatus for weighing axle load dynamically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820044702XU CN201199177Y (en) | 2008-03-10 | 2008-03-10 | Portable wireless apparatus for weighing axle load dynamically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201199177Y true CN201199177Y (en) | 2009-02-25 |
Family
ID=40450332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820044702XU Expired - Fee Related CN201199177Y (en) | 2008-03-10 | 2008-03-10 | Portable wireless apparatus for weighing axle load dynamically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201199177Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103723135A (en) * | 2012-10-16 | 2014-04-16 | 胡楚阳 | Real-time control system for automobile overload |
-
2008
- 2008-03-10 CN CNU200820044702XU patent/CN201199177Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103723135A (en) * | 2012-10-16 | 2014-04-16 | 胡楚阳 | Real-time control system for automobile overload |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 523000 Guangdong city of Dongguan province Sheng Machong Town Industrial Park of Guangdong hualanhai electric Polytron Technologies Inc Patentee after: GUANGDONG SOUTH CHINA SEA ELECTRONIC MEASURING TECHNOLOGY CO., LTD. Address before: 523136 Guangdong city of Dongguan province Sheng Machong Town Industrial Park Patentee before: Dongguan Hualanhai Electronics Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090225 Termination date: 20170310 |