CN200944591Y - Tracking positioning system capable of transmitting control signal - Google Patents
Tracking positioning system capable of transmitting control signal Download PDFInfo
- Publication number
- CN200944591Y CN200944591Y CNU2006201233103U CN200620123310U CN200944591Y CN 200944591 Y CN200944591 Y CN 200944591Y CN U2006201233103 U CNU2006201233103 U CN U2006201233103U CN 200620123310 U CN200620123310 U CN 200620123310U CN 200944591 Y CN200944591 Y CN 200944591Y
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- unit
- substation
- wireless communication
- locating terminal
- positioning system
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Abstract
The utility model relates to a tracking and positioning device in underground, in particular to a tracking and positioning system that can transmit control signal. The utility model is connected with a transceiver device of a substation via a network controller; a bidirectional communication is created between a wireless communication unit in the transceiver device of a substation and a wireless communication unit in a positioning terminal. Not only the position of the positioning terminal can be located and monitored in real time, but also bidirectional communication between the positioning terminal and the network controller can be enabled, so that a work man who operates in underground communicates in real time and effectively with a ground command center which is connected by network, and dangerous conditions can be reduced or avoided, and workman in underground and assets can be further guarantied. In addition, a holder of the positioning terminal can be communicated with the ground command center in real time by using a speech receiving unit and an alarm indicating unit in the positioning terminal, which also plays an important role in emergency rescue when an accident happens.
Description
Technical field
The utility model relates to a kind of down-hole tracing positioning apparatus, particularly a kind of tracing-positioning system that can transmission of control signals.
Technical background
The safety of coal mines rescue is the major issue of safety of coal mines work always, how to solve the instruction transmission of command centre to accident area distress personnel, and distress personnel is this class the very corn of a subject place to the calling for help of command centre.Existing locating and tracking system, can only realize personnel's basic fixed position, promptly only send signal to minute station control by locating terminal, thereby judge the position of described locating terminal, therefore, can not realize communication function, more can not realize two-way speech communication function, and the function that bidirectional communication function is given first aid to exactly, disaster relief work is essential.Simultaneously, existing Personal Handyphone System downhole communication cost is too high, and, reveal communication and do not have location tracking function, therefore exist limitation for promoting the use of in the mine.
The utility model content
The utility model has overcome above-mentioned shortcoming, provides that a kind of cost is low, the reliable transmitted in both directions tracing-positioning system of signal.
The technical scheme in the invention for solving the technical problem is: comprise network controller, a plurality of substation R-T units and at least one locating terminal, comprise microprocessor and the bus interface that links to each other with described microprocessor respectively in the described substation R-T unit, wireless communication unit, described locating terminal comprises continuous microprocessor and wireless communication unit, comprise that also the alarm unit that links to each other with described microprocessor is or/and the control push-button unit, described alarm unit is used to broadcast the control signal of sending from the substation R-T unit, described control push-button unit is used to import the control signal of sending to described substation R-T unit, described network controller also comprises bus interface, and be connected with bus interface in the described substation R-T unit, wireless communication unit in the described substation R-T unit and the wireless communication unit in the described locating terminal are set up two-way wireless communication.
Described locating terminal also can comprise the voice receiving unit that links to each other with described microprocessor.
Wireless communication unit and the wireless communication unit in the described locating terminal in the described substation R-T unit can be single worker or duplexing radio-frequency (RF) transceiver, infrared transceiver or bluetooth transceiver.
Bus interface in bus interface in the described network controller and the described substation R-T unit can be CAN bus interface, 485 communication interfaces or opto-electronic conversion interface, and is connected by CAN bus, 485 buses or optical cable accordingly.
Described alarm unit can comprise the D/A converter that is connected with loud speaker, and described D/A converter links to each other with the described microprocessor of locating terminal.
Described voice receiving unit can comprise the A/D converter that is connected with microphone, and described A/D converter links to each other with described microprocessor.
The utility model is connected with described substation R-T unit by described network controller, wireless communication unit in the described substation R-T unit and the wireless communication unit in the described locating terminal are set up two-way wireless communication, not only can locate in real time and monitor the residing position of described locating terminal, can also make and realize unidirectional or two-way communication between described locating terminal and the network controller, the staff of underground work is realized in real time with the ground command center that is connected by network controller, effectively communication, reduce or avoid the generation of unsafe condition, further guarantee the personnel and the property safety of underground work.In addition, realize the real-time conversation of locating terminal holder and ground control centre, can further play an important role in the rescue when the generation of accident by voice receiving unit in the described locating terminal and alarm unit.
Description of drawings
Fig. 1 is an overall structure block diagram of the present utility model
Fig. 2 is the circuit theory diagrams of middle locating terminal of the present utility model
Embodiment
A kind of preferred embodiment of the present utility model, as shown in fig. 1, network controller 1 includes CAN bus interface 11, and link to each other with a plurality of substation R-T units 2 that include CAN bus interface 21 by CAN bus 11, in the described substation receiving system 2, controller 22 links to each other with radio-frequency (RF) transceiver 23 with CAN bus interface 21 respectively, described locating terminal 3 comprises controller 31 and the control push-button unit 32 that links to each other with described controller 31 respectively, radio-frequency (RF) transceiver 33, A/D converter 34 and D/A converter 36, described A/D converter 34 also is connected with microphone 35, described D/A converter 36 also is connected with loud speaker 37.
Described locating terminal as shown in Figure 2, the embedded controller U15 (being the controller 31 among Fig. 1) and the peripheral circuit thereof of the microprocessor 8051 that comprises radiofrequency signal processing, A/D translation function integrated, described controller U15 also is connected with an EEPROM, radio-frequency antenna RF links to each other with described controller U15, receives and send radiofrequency signal.Button S1, S2 link to each other with described controller U15, the function that can set control as required and switch.And A/D converter 34, microphone 35, D/A converter 36 and loud speaker 37 be connected the talkback circuit of realizing with microprocessor be ordinary skill in the art means, repeat no more here, also indicate among the figure.
Described controller U15 is the nRF24E1 chip, and satisfies the needed performance requirement of wireless communication:
1. embedded 10 A/D converters can be used for audio sample and battery cell monitoring;
2. the radio-frequency (RF) transceiver of 2.4GHz or other frequencies, unique ShockBurst communication mode;
3. provide 8 PWM outputs for D/A.
Described A/D converter is the sampled signal of ADC in the nRF24E1 sheet, before a not enough RF packet, is stored in the built-in microcontroller 8051.After sampled data was completely wrapped, 8051 stored next new packet on one side, on one side full packet is transferred to the RF front end.Under the ShockBurst communication mode, every bag is the audio sample signal of 24 bytes or 3ms.When not having the audio signal input, only export very short state information.Like this, both reduce the task of transfer of data, also reduced system power dissipation simultaneously.
Radio communication connects that must be able to guarantee two-way be the 64kb/s data rate all, and to require this connection be full duplex, and promptly two transceivers can be worked simultaneously.Because the ShockBurst characteristic, all and protocol-dependent operation are all handled by hardware.Though what nRF24E1 used is 8051 microcontrollers of low speed, wireless transmission speed can reach 1Mb/s.After initial configuration, nRF24E1 just can control radio-frequency (RF) transceiver.
Time slot is by sample frequency decision (8kHz=125 μ s).Each time slot, A/D must be read 1 time, and the value of PWM also is updated 1 time.Because we do not require that in real time principal and subordinate's transceiver must first synchronization (shaking hands) before carrying out the data transmission.The packet that RF uses can be decided to be 248 (8 pilot signal+16 a CRC+32 bit address+24 byte useful datas), and therefore, each packet contains 24 sampled signals, the back emission of full bag.
When the RF front end is received 1 active data bag, microcontroller 31 receives that 1 RF receives when interrupting, the I/O register of the available RF front end of valid data part in the packet that receives is separated, then, more isolated valid data are partly stored output signal as PWM (loud speaker).PWM output drives by 8 PWM engines, does not need microcontroller to share Processing tasks.The maximum carrier frequency of PWM modulator is 64kHz among the nRF24E1, and this frequency is easier to the filtration after the Data Receiving.
Use of the present utility model comprises following several aspect:
One, tracking signal uploads
Three kinds of transmission state signals are set on described locating terminal, the one, the normal transmission state is exactly default conditions, sends normal Tracking Recognition signal; The 2nd, the distress call state sends rapid distress call; The 3rd,, receive the urgent call state.Described each substation receiving system is distributed in the mine, and enter the mouth to fire point from drive and to distribute along drive, in drive, form " location tracking network ", described locating terminal is held by operating personnel, under the normal transmission state, carry and enter mine, carry in the process that described locating terminal 3 advances in mine operating personnel, described radio-frequency (RF) transceiver 23 constantly receives the radiofrequency signal that radio-frequency (RF) transceiver 33 is sent, around each radio-frequency (RF) transceiver 23 position is in its effective read range, when described locating terminal 3 moves so far in the scope, detect by substation R-T unit 2, thereby obtain the described position range of holding the operating personnel place of locating terminal.
In the execute-in-place, be in four kinds of situations, the one, normal condition is exactly default conditions, sends normal Tracking Recognition signal, without any need for execute-in-place; The 2nd, when emergency is arranged, status switch is reached the distress call state, system sends rapid distress call; The 3rd,, to call for help and remove, status switch is got to normally.The 4th,, the answer of receiving the urgent call signal when receiving that headquarter call out, is got to and is received call state.
Corresponding ground main system is shown as:
1. under normal condition, show the normal signal of tracking system by the ground system of described network controller connection.
Under the state of emergency when 2. having the personnel in the pit to press described button distress call, described ground controller shows sound and light alarm, and literal shows signal, audio alert.
For example large-size screen monitors switch to the literal demonstration at once: " the situation is critical, makes a request for help! " and flicker! Simultaneously according to holder's information of the stored of locating terminal, concrete personal information and positional informations such as display terminal number, name, place.Computerized speech shows and is connected the demonstration of public address equipment voice: " the situation is critical, makes a request for help! "
3. after the dangerous releasing of personnel in the pit, press button state is got to normally.
4. after call signal is received in the down-hole, reply.The ground main system shows that " calling is received, please indicate! " concrete personal information and positional informations such as display terminal number, name, place simultaneously.At this moment, ground command system can be issued specific instructions to the personnel in the pit.The personnel in the pit should seek phone around simultaneously and report to headquarter!
Two, voice signal uploads
Send under the speech phase, the cutting of described call-information is compressed into the packet of the certain scale that the CAN bus can send, and sends to the ground main frame, and described ground main frame carries out decompress(ion) to it and is reduced into voice and output, realizes the voice upload function.
Four, the following biography of voice
In the instruction of the main frame edit calls of ground command center, can to all, partly and single specific locating terminal send.Its instruction mode comprises emergency message or/and phonetic order.
After the personnel in the pit receives the urgent call signal, on the one hand to receive call state, on the other hand, in time take measures and headquarter get in touch saying that system mode is got to.(comprise and making a phone call)
Phonetic order can be divided into two classes, and the one,, fixing voice, for example: " general headquarters call out, and please answer! " " the situation is critical, withdraws at once! " or the like, these class voice are solidificated in the sound circuit of track and localization card in advance, after receiving surface instruction, play automatically.Another kind ofly be, on-the-spot editor's instruction, this is according to the actual brief of sending in scene! " king *, speed has the people in danger to No. 3 areas, please rescue for example! " " the situation is critical, removes No. 2 the area at once " or the like.When answering, the main system of command centre is phonetic order, and the section system of being compressed into can data packets for transmission, passes to described locating terminal down, and described locating terminal is reduced into voice messaging to its decompress(ion), and broadcasts!
Like this, the utility model becomes the tracking that can converse up and down and sets savng system, and promptly the function that can realize is as follows:
1, the double-directional speech communication function between realization main system and the individuality, and the both-way communication between the individuality.
2, realize of the report of each individuality to command centre! So that in time pinpoint the problems, report without delay, and solve a problem promptly.
3, master control system--command centre can be to specific individual, group people, and the full complement sends information.Require them, carry out unified or single order.
4, with the form notice of broadcasting, one, a part, the full complement withdraws or other content of operation.
5, by the form notice individual of main system, finish a critical activity to point.
A kind of simplification as the foregoing description, described locating terminal can save voice receiving unit, or save voice receiving unit simultaneously and control push-button unit, described radio communication unit can adopt single worker's radio-frequency (RF) transceiver, be only to adopt radio frequency receiver in the described locating terminal, only adopt radiofrequency launcher in the corresponding substation R-T unit, this structure can realize by network controller end or substation R-T unit unilaterally to each locating terminal pass down pre-set danger, safely, control signal such as withdraw, detonate, and broadcast by described alarm unit.
Another kind as the foregoing description is simplified, described locating terminal can save the alarm unit, or save alarm unit and voice receiving unit simultaneously, described radio communication unit also adopts single worker's radio-frequency (RF) transceiver, be only to adopt radiofrequency launcher in the described locating terminal, only adopt radio frequency receiver in the corresponding substation R-T unit, this structure can realize uploading control signal to ground to described substation R-T unit by described locating terminal folk prescription, to network controller send pre-set danger, safety, command signal such as call for help, escape danger.
For obtaining the efficient communication between locating terminal and the described substation R-T unit, should make effective read range of each substation R-T unit cover whole drive.
More than tracing-positioning system that can transmission of control signals provided by the utility model is described in detail, used specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (6)
- One kind can transmission of control signals tracing-positioning system, it is characterized in that: comprise network controller, a plurality of substation R-T units and at least one locating terminal, comprise microprocessor and the bus interface that links to each other with described microprocessor respectively in the described substation R-T unit, wireless communication unit, described locating terminal comprises continuous microprocessor and wireless communication unit, comprise that also the alarm unit that links to each other with described microprocessor is or/and the control push-button unit, described alarm unit is used to broadcast the control signal of sending from the substation R-T unit, described control push-button unit is used to import the control signal of sending to described substation R-T unit, described network controller also comprises bus interface, and be connected with bus interface in the described substation R-T unit, wireless communication unit in the described substation R-T unit and the wireless communication unit in the described locating terminal are set up two-way wireless communication.
- 2. tracing-positioning system that can transmission of control signals according to claim 1, it is characterized in that: described locating terminal also comprises the voice receiving unit that links to each other with described microprocessor, and described voice receiving unit is used to receive the voice signal of uploading to described substation R-T unit.
- 3. tracing-positioning system that can transmission of control signals according to claim 1 and 2, it is characterized in that: wireless communication unit in the described substation R-T unit and the wireless communication unit in the described locating terminal are single worker or duplexing radio-frequency (RF) transceiver, infrared transceiver or bluetooth transceiver.
- 4. tracing-positioning system that can transmission of control signals according to claim 1 and 2, it is characterized in that: the bus interface in bus interface in the described network controller and the described substation R-T unit is CAN bus interface, 485 communication interfaces or opto-electronic conversion interface, and is connected by CAN bus, 485 buses or optical cable accordingly.
- 5. tracing-positioning system that can transmission of control signals according to claim 1 and 2 is characterized in that: described alarm unit comprises and is connected with loud speaker and D/A converter that described D/A converter links to each other with the described microprocessor of locating terminal.
- 6. tracing-positioning system that can transmission of control signals according to claim 2, it is characterized in that: described voice receiving unit comprises the A/D converter that is connected with microphone, described A/D converter links to each other with described microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201233103U CN200944591Y (en) | 2006-08-03 | 2006-08-03 | Tracking positioning system capable of transmitting control signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201233103U CN200944591Y (en) | 2006-08-03 | 2006-08-03 | Tracking positioning system capable of transmitting control signal |
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| Publication Number | Publication Date |
|---|---|
| CN200944591Y true CN200944591Y (en) | 2007-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201233103U Expired - Fee Related CN200944591Y (en) | 2006-08-03 | 2006-08-03 | Tracking positioning system capable of transmitting control signal |
Country Status (1)
| Country | Link |
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| CN (1) | CN200944591Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101127149B (en) * | 2007-09-12 | 2010-09-01 | 北京龙软科技发展有限公司 | Personnel pedometer positioning method |
| CN105547284B (en) * | 2015-12-31 | 2018-08-07 | 杭州网策通信技术有限公司 | Indoor positioning navigation system and monitoring method based on 485 communications |
-
2006
- 2006-08-03 CN CNU2006201233103U patent/CN200944591Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101127149B (en) * | 2007-09-12 | 2010-09-01 | 北京龙软科技发展有限公司 | Personnel pedometer positioning method |
| CN105547284B (en) * | 2015-12-31 | 2018-08-07 | 杭州网策通信技术有限公司 | Indoor positioning navigation system and monitoring method based on 485 communications |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing Longde Shidai Technology Development Co., Ltd. Assignor: Mao Yunde Contract fulfillment period: 2008.10.1 to 2016.9.30 Contract record no.: 2008110000122 Denomination of utility model: Tracking positioning system capable of transmitting control signal Granted publication date: 20070905 License type: Exclusive license Record date: 20081114 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.10.1 TO 2016.9.30; CHANGE OF CONTRACT Name of requester: BEIJING LONGDE SHIDAI SCIENCE DEVELOPMENT CO., LTD Effective date: 20081114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070905 Termination date: 20150803 |
|
| EXPY | Termination of patent right or utility model |