CN1311445A - Tracing means for moving article - Google Patents
Tracing means for moving article Download PDFInfo
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- CN1311445A CN1311445A CN 00102145 CN00102145A CN1311445A CN 1311445 A CN1311445 A CN 1311445A CN 00102145 CN00102145 CN 00102145 CN 00102145 A CN00102145 A CN 00102145A CN 1311445 A CN1311445 A CN 1311445A
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Abstract
A tracing means for movable articles is used to confirm the location of the movable articles according to the radio communication principles. It consists of two parts; one is subsystem including the function of receiving, computer and transmitting, which subsystem can identifly the received signal and then retransmitting it out; an other is main-system including the functions of keyboard, receiving, computer, transmitting and display to be connected with outlet and inlet ends of micro-computer separately in which the micro-computer can transmit out the code signal of the subsystem and receive the feedback code signal of the subsystem as well as can calculate out the time difference between the above two operation. The distance between the main and sub systems is calculated as the formula of 3 X 10m8/s X time difference/2 and displayed by display means.
Description
The present invention relates to a kind of tracing means for moving article of determining the moving article position according to the wireless communication principle.
Because large piece articles such as automobile, vehicle using motor are often wandered away by robbery, theft, retarded people, children often at present, and at present relevant this series products is not backward in technique, cost an arm and a leg exactly, a lot of equipment need round-the-clock monitoring, there is no need to consume a large amount of manpowers, material resources, former in sum this product that designs for some reason.
The purpose of this invention is to provide a kind of tracing means for moving article of determining the moving article position as required at any time.
The object of the present invention is achieved like this (referring to Fig. 1), and product structure of the present utility model is made up of two parts, has keyboard, microsystem, receiving unit, radiating portion, the main system of Presentation Function (seeing Figure 1A), has reception, the subsystem part (seeing Figure 1B) of emission function, main system partly has antenna (1), transformer (2), wave detector (3), transformer (4), wave filter (5), analog to digital converter (6), oscillator (7), microsystem (8), digital to analog converter (9), modulator (10), transformer (11), power amplifier (12), wave filter (13), antenna (14), transformer (15), oscillator (16), keyboard system (17), display system (18); Antenna (1), transformer (2) series connection back and oscillator (7) connect an input end of wave detector (3) respectively, the output termination transformer (4) of wave detector (3), transformer (4) and the signal input part that connects analog to digital converter (6) after wave filter (5) is connected, the input bus and the control bus of the output of analog to digital converter (6) and control termination microsystem (8), keyboard system (17) adopts the method for attachment of scan matrix formula nonencoded keyboard structure to be connected with microsystem (8), display system (18) adopts multipath conversion circuit of LED structure to be connected with microsystem (8), digital to analog converter (9) connects the output and the control bus of microsystem (8), oscillator (16), transformer (15) series connection back and digital to analog converter (9) connect an input end of modulator (10) respectively, the output termination transformer (11) of balanced modulator (10), transformer (11) and power amplifier (12), connect antenna (14) after wave filter (13) series connection; Subsystem partly has antenna (21), transformer (22), inspection filter (23), transformer (24), wave filter (25), analog to digital converter (26), oscillator (27), microsystem (28), digital to analog converter (29), modulator (30), transformer (31), power amplifier (32), wave filter (33), antenna (34), transformer (35), oscillator (36); Antenna (21), transformer (22) series connection back and oscillator (27) connect an input end of wave detector (23) respectively, the output of wave detector (23) connects transformer (24), transformer (24) and the signal input part that connects analog to digital converter (26) after wave filter (25) is connected, analog to digital converter (26) connects the input end and the control bus of microsystem (28), oscillator (36), transformer (35) series connection back and digital to analog converter (29) connect an input end of balanced modulator (30) respectively, the output of balanced modulator (30) connects transformer (31), transformer (31) and power amplifier (32), connect antenna (34) after wave filter (33) series connection.
Adopt triangle vast of heaven line referring to Fig. 2 to Fig. 4 antenna (1), (14), built-in tours antenna is adopted in antenna (21), (34), the three-way broadband ring transmission transformer that centers on is adopted in transformer (22), (2), adopt by the active wave detector that CA3028A constituted wave detector (3), (23), and Pierre's Si type oscillator is adopted in oscillator (7), (27).Transformer (4), (24) adopt the wideband transmit transformer, wave filter (5), (25) adopt intermediate-frequency filter, modulator (10), (30) adopt the balanced modulator that is constituted by hot current-carrying diode, transformer (15), (35), (11), (31) adopt the high frequency general-purpose transformer, oscillator (16), (36) adopt Pierre's Si type oscillator, power amplifier (12), (32) select Class C amplifier for use, wave filter (13), (33) adopt Hi-pass filter, microsystem (8), (28) the employing model is 8031 single-chip microcomputer, EPROM employing model is 2716 read-only memory, it is 74LS373 type latch that latch adopts model, analog to digital converter (6), (26) adopting model is the ADCO809 type, digital-to-analog conversion (9), (29) adopt the DACO832 type, keyboard system (17) adopts scan matrix formula nonencoded keyboard structure, and display system (18) adopts multipath conversion circuit of LED structure.
When in the microcomputer (8) of main system, importing the code of a certain subsystem with keyboard (17), microsystem (8) is sent the instruction that this code is converted to simulating signal to digital to analog converter (9), timing simultaneously, and launch by the radiating portion of forming by balanced modulator (10) etc., receive this code signal through the receiving unit of subsystem (forming) after a while, and launch (the radiating portion of forming by modulator (30) etc. after this code analyzed contrast again by antenna (2), transformer (22) etc.) through the receiving unit of main system (forming) after a while by wave filter (3) etc.Receive this signal and will send into microsystem (8) after this conversion of signals, microcomputer is analyzed contrast to this, and timing.(3 * 10m/s) code signals that multiply by subsystem are from being issued to the mistiming of reception, and show by display to equal electromagnetic speed according to distance.By the distance main, subsystem that furthers of not stopping, finally determine to have equipped the position of the moving article of subsystem.
The present invention has positive effect: after the utility model disposes relevant software, subsystem is encased in the inside of automobile, mobile phone, computer, colour TV etc., in the time of on retarded people, children's etc. the body, as long as inquire to main system, main system just can be judged residing positions such as automobile, mobile phone, retarded people, make automobile etc. can't be stolen, mobile phone etc. can not lost.
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Figure 1A is the schematic block circuit diagram of main system of the present invention.
Figure 1B is the schematic block circuit diagram of subsystem of the present invention.
Fig. 2 A is the radiating circuit schematic diagram of subsystem of the present invention.
Fig. 2 B is the receiving circuit schematic diagram of subsystem of the present invention.
Fig. 3 A is the radiating circuit schematic diagram of main system of the present invention.
Fig. 3 B is the receiving circuit schematic diagram of main system of the present invention.
Fig. 4 is the synoptic diagram of microsystem, modulus and the D/A converting circuit of master of the present invention, subsystem.
1,21,14,34 antennas, 2,22 transformers, 3,23 active wave detector 4,24 transformers 5,25 intermediate-frequency filters 6,26 analog to digital converters 7,27 oscillators 8,28 microsystems 9,29 digital to analog converters 10,30 balanced modulators 11,31 transformers 12,32 power amplifiers 13,33 Hi-pass filters 15,35 transformers 16,36 oscillators 17 keyboard systems 18 display systems among the figure.
In Fig. 3 A, antenna (1) is formed inductive receiving circuit with transformer (2), the signal that receives is sent into 1,5 two pin of the active wave detector of forming by CA3028 (3), local oscillation signal is imported by 2 pin, the two ends of primary winding connect 6,8 pin respectively, the output termination transformer (4) of wave detector (3), transformer (4) connects intermediate-frequency filter (5).Oscillator in Fig. 3 B (16) links by transformer (15) with modulator (10), and simulating signal is by another input end input.The output termination transformer (11) of modulator (10), transformer (11) connects the input end of power amplifier (12), and power amplifier (12) is of coupled connections with wave filter (13), at last signal is inputed to antenna (14).In Fig. 2 A, antenna (21) is formed inductive receiving circuit with transformer (22) and signal is sent in the active wave detector (23) that is made of CA3028A, beat signal is imported by 2 pin, the two ends of primary winding connect 6,8 pin respectively, the output termination transformer (24) of wave detector (23), transformer (24) connects the input end of wave filter (25).Among Fig. 2 B, oscillator (36) is connected by transformer (35) with modulator (30), carrier signal is by another input end input, the output termination transformer (31) of modulator (30), another termination power amplifier (32) of transformer (31), power amplifier (32) adopts with wave filter (33) and is of coupled connections another termination antenna (34) of wave filter (33).Fig. 4 is the connection diagram of analog to digital converter (6), (26) microsystem (8), (28) digital to analog converter (9), (29) and ROM (read-only memory).
The present invention in use, import the code of a certain subsystem as 10001110 from keyboard system (17) to microsystem (18), microsystem (8) is with this code analysis and timing, simultaneously this code being transported to digital to analog converter (9) makes it convert simulating signal to, and this simulating signal modulated the carrier signal that oscillator (16) provides, signal after modulator (10) modulation is transported to power amplifier (12) through transformer (11) and is amplified, signal after amplifying is carried out high-pass filtering, behind wave filter (13) filtering clutter, transport to antenna (14) and launch.Behind certain hour, the sensor circuit that subsystem antenna (21) and transformer (22) are formed receives this signal, and this signal is sent to active wave detector (23) carries out mixing with the beat signal that oscillator (27) produces.Signal after the detection is sent into intermediate-frequency filter (25) clutter is filtered out, and sends into the input end of analog to digital converter (26).Microsystem (28) is put into this passage of ground at A8, A9, the A10 end of this bus of ground under the control of program.And A, the B, the C that enter the analog to digital converter (26) of A8, A9, A10 connection hold.The signal of selecting an analog channel that wave filter (25) conduction is come is sent into the comparer in the analog to digital converter (26), and conversion of signals is obtained data.Behind the EOC, by the OE end of program by the RD end control analog to digital conversion circuit (26) of single-chip microcomputer.Transformation result is sent into microcomputer (28) and stored code contrast,, then these data are sent into weighted-voltage D/A converter (29) and changed as identical.The simulating signal that is converted to is modulated by the next carrier signal of carrier oscillator (36) through modulator (30), and through transformer (31) this modulated signal is sent into power amplifier (32) and amplify.Send into wave filter (33) and carry out filtering, filtered signal is launched through antenna (34).The receiving circuit that this signal is formed by antenna of main system (1) and transformer (2) through certain hour receives, and carrying out mixing through the beat signal that active wave detector (3) and beat frequency oscillator (BFO) (7) are provided, the signal after the detection after sending into intermediate-frequency filter (5) filtering clutter, transformer (4) is sent into the input end of analog to digital converter (6).The course of work of analog to digital converter (6) is the same with the course of work of the analog to digital converter (26) of subsystem, analog signal conversion is become data, microsystem (8) contrasts and calculates this data-signal from being issued to the mistiming of receiving with the data of these data and stored subsystem, as data is 10001110, then (equals electromagnetic wave propagation speed (3 * 10m according to distance by program
8/ s) multiply by the mistiming divided by 2) calculate the distance between main, the subsystem.Through mobile main system repeatedly, the distance between main, the subsystem of furthering finds and has determined to equip the accurate position of the moving article of subsystem at last.If main system and phase internet more than three are set in a certain scope, then send the code signal of a certain subsystem when a certain main system, and after subsystem returns, three main systems can both receive the code signal that subsystem returns, calculate three main systems distance of subsystem therewith simultaneously, and the connection electronic chart, then can determine arbitrary accurate position of having equipped the moving article of subsystem at any time, and can find out by electronic chart.
Claims (1)
- A kind of tracing means for moving article is characterized in that: the main system with keyboard (17), microsystem (8), receiving unit, radiating portion, display part; Subsystem with receiving unit, microsystem (28), radiating portion; Main system partly has antenna (1), transformer (2), wave detector (3), transformer (4), wave filter (5), analog to digital converter (6), oscillator (7), microsystem (8), digital to analog converter (9), modulator (10), transformer (11), power amplifier (12), wave filter (13), antenna (14), transformer (15), oscillator (16), keyboard system (17), display system (18); After connecting with transformer (2), antenna (1) connects an input end of wave detector (3) respectively with oscillator (7), the output termination transformer (4) of wave detector (3), transformer (4) and the signal input part that connects analog to digital converter (6) after wave filter (5) is connected, the input bus and the control bus of the output of analog to digital converter (6) and control termination microsystem (8), keyboard system (17) adopts the method for attachment of scan matrix formula nonencoded keyboard structure to be connected with microsystem (8), display system (18) adopts the method for attachment of multipath conversion circuit of LED structure to be connected with microsystem (8), digital to analog converter (9) connects the output bus and the control bus of microsystem (8), oscillator (16), transformer (15) series connection back and digital to analog converter (9) connect an input end of modulator (10) respectively, the output termination transformer (11) of balanced modulator (10), transformer (11) and power amplifier (12), connect antenna (14) after wave filter (13) series connection; Subsystem partly has antenna (21), transformer (22), wave detector (23), transformer (24), wave filter (25), analog to digital converter (26), oscillator (27), microsystem (28), digital to analog converter (29), modulator (30), transformer (31), power amplifier (32), wave filter (33), antenna (34), transformer (35), oscillator (36); Antenna (21), transformer (22) series connection back and oscillator (27) connect an input end of wave detector (23) respectively, the output of wave detector (23) connects transformer (24), transformer (24) and the signal input part that connects analog to digital converter (26) after wave filter (25) is connected, analog to digital converter (26) connects the input and the control bus of microsystem (28), digital to analog converter (29) connects the output terminal and the control bus of microsystem (28), oscillator (36), transformer (35) series connection back and digital to analog converter (29) connect an input end of balanced modulator (30) respectively, the output termination transformer (31) of balanced modulator (30), transformer (31) and power amplifier (32), connect antenna (34) after wave filter (33) series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00102145 CN1311445A (en) | 2000-03-02 | 2000-03-02 | Tracing means for moving article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00102145 CN1311445A (en) | 2000-03-02 | 2000-03-02 | Tracing means for moving article |
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| Publication Number | Publication Date |
|---|---|
| CN1311445A true CN1311445A (en) | 2001-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 00102145 Pending CN1311445A (en) | 2000-03-02 | 2000-03-02 | Tracing means for moving article |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101688913B (en) * | 2007-07-12 | 2013-03-06 | 高通股份有限公司 | Method for determining line-of-sight (los) distance between remote communications devices |
-
2000
- 2000-03-02 CN CN 00102145 patent/CN1311445A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101688913B (en) * | 2007-07-12 | 2013-03-06 | 高通股份有限公司 | Method for determining line-of-sight (los) distance between remote communications devices |
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