Utility model content
For the problems referred to above, the utility model discloses a kind of multiple-channel output protocol conversion system with monitoring function, it can the GPS/ Big Dipper/GALILEO/GLONASS tetra-kinds of signals be converted to wherein any one, then the signal after conversion is assigned as multiple-channel output, both the conversion of signal with different type had been achieved, also achieving a set of antenna-feedback system for multiple stage BBU provides standard sync signal, this cover system also has monitoring function in addition, can the duty of real-time watch device self, construction party can the long-range current state being understood various places equipment by wired network or mobile network in time, achieve the unified management to various places equipment, and cost is low, simple to operate.
The technical solution of the utility model is: a kind of multiple-channel output protocol conversion system with monitoring function, is characterized in that, comprising: protocol conversion multiple-channel output equipment and network management platform;
Described protocol conversion multiple-channel output equipment comprises primary input passage, input channel for subsequent use, passive multiple signals allocation units, wireless communication module, CPU (central processing unit), local display unit and supply module, primary input passage comprises radio-frequency (RF) switch, signal amplification unit and protocol conversion and correction module, input channel for subsequent use comprises signal amplification unit and protocol conversion and correction module, primary input passage and input channel for subsequent use Hot Spare each other;
The GPS/ Big Dipper/GALILEO/GLONASS tetra-kinds of signals send signal amplification unit to by radio-frequency (RF) switch; Signal amplification unit carries out signal to amplify and sends protocol conversion and correction module to; The protocol conversion of primary input passage and alternate channel and the output terminal of correction module are combined into a road signal by signal combiner unit and export to passive multiple signals allocation units and carry out multiple-channel output;
CPU (central processing unit) is connected with signal amplification unit, signal combiner unit, protocol conversion and correction module, wireless communication module, toggle switch and local display unit, described CPU (central processing unit) is used for the duty of pilot signal amplifying unit, signal combiner unit, protocol conversion and correction module, the signal translation type of protocol conversion and correction module is set, by wireless communication module and network management platform and communicating terminal communication;
Described network management platform comprises wireless communication module, wireline interface, mass storage, webmaster CPU (central processing unit) and supply module; Described webmaster CPU (central processing unit) is connected with mass storage, wired network interface, wireless communication module; Described webmaster CPU (central processing unit) carries out Wireless Data Transmission by wireless communication module and protocol conversion multiple-channel output equipment; Described mass storage stores the operating state data that various places protocol conversion multiple-channel output equipment transmits; Supply module is powered to wireless communication module, wireline interface, mass storage, webmaster CPU (central processing unit).
Further, described protocol conversion multiple-channel output equipment primary input passage and input channel for subsequent use are all provided with protocol conversion and correction module, and protocol conversion and correction module comprise signal receiving unit, protocol conversion and error correction unit, signal simulator and external interface four parts; Be specially:
Signal receiving unit receives the GPS/ Big Dipper/GALILEO/GLONASS tetra-kinds of signals being converted into and includes longitude, latitude, sea level elevation respectively, searches four kinds of digital streams of a star number information;
Four kinds of digital streams of protocol conversion and error correction unit and the conversion of error correction reading signal receiving unit, and selection is compared to four kinds of digital streams, choose and search the maximum a kind of digital stream of a star number and the digital stream it being converted to setting, then pass to signal simulator; The digital stream wherein set is one of the GPS/ Big Dipper/GALILEO/GLONASS tetra-kinds of signals;
Signal simulator, according to the digital stream received, generates corresponding radiofrequency signal.
Further, the external interface of described protocol conversion and correction module is connected with described protocol conversion and error correction unit, described protocol conversion and error correction unit are connected with CPU (central processing unit) by external interface, any signal that the GPS/ Big Dipper/GALILEO/GLONASS tetra-kinds of signals are converted to wherein is set by external interface by described protocol conversion and error correction unit, wherein, external interface is the interface adopting digital communication mode.
Further, the output signal type of described protocol conversion multiple-channel output equipment can be set by wireless communication mode or local toggle switch; Output signal type is one of the GPS/ Big Dipper/GALILEO/GLONASS tetra-kinds of signals.
Further, the input port of described protocol conversion multiple-channel output equipment primary input passage arranges radio-frequency (RF) switch, for the input signal of primary input passage being switched to multiple signals output unit when device powers down.Further, the wireless communication module of described protocol conversion multiple-channel output equipment supports GSM, 3G or 4G communication standard, and mobile communication multiple display modes compatible.
Further, the supply module of described protocol conversion multiple-channel output equipment adopts double copies Redundancy Design, comprise main supply module, stand-by power supply module, power supply detection module and alternative power switch, described main supply module is connected alternative power switch with the output terminal of stand-by power supply module, the input end of described power supply detection module and described main supply module and stand-by power supply model calling, the output terminal of described power supply detection module connects alternative power switch.
Further, the wireless communication module of described network management platform supports GSM, 3G or 4G communication standard, and mobile communication multiple display modes compatible.
Further, described operating state data comprises: whether working properly the input GPS/ Big Dipper/power of GALILEO/GLONASS signal, the signal type of the current output of equipment, equipment is, the installed date of equipment, when need maintenance, longitude, dimension, sea level elevation, a receipts star number and temporal information.
The beneficial effects of the utility model are:
1. achieve the mutual conversion of the GPS/ Big Dipper/GALILEO/GLONASS signal, ensure that and only support that the communication apparatus of gps signal still can normally use after gps signal is limited, make the industries such as the military affairs of China, communication, electric power from the restriction of the U.S.;
2. achieving a single channel GPS/ Big Dipper/GALILEO/GLONASS protocol conversion is that multiple signals export, and effectively decreases antenna-feedback system quantity, reduces difficulty of construction and cost;
3. have error correction, it can receive the GPS/ Big Dipper/GALILEO/GLONASS tetra-kinds of signals, selects the measured protocol conversion of matter to be the signal needed;
4. this equipment has bypass functionality, even if this equipment is not powered, multiple signals also can be had to export;
5. achieve the remote monitoring of antenna-feedback system, management is simple, and cost is low;
6. achieve input channel Hot Spare, keep gps signal uninterruptedly to export.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
A kind of system chart with the multiple-channel output protocol conversion system of monitoring function that Fig. 1 provides for the utility model.
See Fig. 1, a kind of multiple-channel output protocol conversion system with monitoring function, comprises two parts: protocol conversion multiple-channel output equipment and network management platform; Protocol conversion multiple-channel output device distribution, all over the world, transmits data by wireless communication mode and network management platform;
Protocol conversion multiple-channel output equipment has two input channels, multiple signals output unit, wireless communication module, CPU (central processing unit), display unit and supply module, two input channels Hot Spare each other, all support the input of the GPS/ Big Dipper/GALILEO/GLONASS tetra-kinds of signals, four kinds of input signals are converted to wherein a kind of through protocol conversion multiple-channel output equipment and are assigned as multiple-channel output.Protocol conversion multiple-channel output equipment can monitor the duty of self, and operating state data is sent to network management platform by wireless communication module, and work state information also can show at local display unit.Network management platform has wireless communication module, mass storage, webmaster CPU (central processing unit), wired network interface and supply module, pipe platform reads the operating state data of the protocol conversion multiple-channel output equipment of various places by wireless network, be kept in local mass storage, keeper can pass through wired network or wireless network remote access network management platform, the operating state data of reading and saving in mass storage.Protocol conversion multiple-channel output equipment and network management platform all have wireless communication module, and this wireless communication module can support the communications regime such as GSM, 3G or 4G, and mobile communication multiple display modes compatible.
Fig. 2 is the principle of work block diagram of protocol conversion multiple-channel output equipment, it comprises two signal amplification units, two protocol conversions and correction module, a signal combiner unit, passive multiple signals allocation units, a radio-frequency (RF) switch, a CPU (central processing unit), a toggle switch, a wireless communication module, a display unit and a supply module, described radio-frequency (RF) switch is connected with the external GPS/ Big Dipper/GALILEO/GLONASS antenna, radio-frequency (RF) switch has two-way to export, one road is connected to signal amplification unit, another road is connected to passive multiple signals allocation units, signal amplification unit has two-way to export, protocol conversion and correction module are received in one tunnel, single CPU (central processing unit) is received on another road, protocol conversion and correction module have two-way to export, one road is connected to signal combiner unit, another road is connected to CPU (central processing unit), signal combiner unit has two-way to export, one road is connected to CPU (central processing unit), another road is connected to passive multiple signals allocation units, passive multiple signals allocation units outputting multiplex signals, six input ends of CPU (central processing unit) are connected respectively to two signal amplification units, two signal type modular converters, a signal combiner unit and toggle switch, CPU (central processing unit) has four tunnels to export, be connected respectively to two protocol conversions and correction module, wireless communication module and display unit, the output of wireless communication module is connected to wireless communication antenna.Supply module is used for that the 220V alternating current of input or 48V direct current are converted to 5V/3.3V/1.8V direct current and powers to whole circuit.
The concrete job step of protocol conversion multiple-channel output equipment is as follows:
The first step: the GPS/ Big Dipper/GALILEO/GLONASS tetra-kinds of signals send signal amplification unit to by radio-frequency (RF) switch;
Second step: signal amplification unit amplifies signal, to improve signal quality, the signal after amplification sends protocol conversion and correction module to;
3rd step: protocol conversion and correction module are analyzed receive four kinds of signals, the signal of high-quality is selected to be converted to the signal of keeper's needs, keeper need signal can be one of the GPS/ Big Dipper/GALILEO/GLONASS tetra-kinds of signals, set by local toggle switch or wireless communication mode remote setting keeper need signal.
4th step: the output signal of primary channel protocol conversion and correction module is combined into by signal combiner unit
One road signal gives passive multiple signals allocation units, is then assigned as multiple-channel output;
5th step: the duty of CPU (central processing unit) Real-Time Monitoring signal amplification unit, protocol conversion and correction module, signal combiner unit, then issues network management platform operating state data by wireless communication module.Work state information also shows at local display unit simultaneously.
The output signal of two passages is connected to signal combiner unit and is combined into a road signal output, as long as there is the signal of a passage normal like this, signal combiner unit just has correct signal and exports, this signal is assigned as multiple-channel output through passive multichannel allocation units, as long as achieve two logical all have one normal, equipment just can outputting multiplex signals, i.e. two passage Hot Spares.
There is a radio-frequency (RF) switch porch of primary input passage, and its theory diagram as shown in Figure 3, is made up of single-pole double-throw switch (SPDT) and controller, and IN is input end, A and B is two output terminals, and when controller is not powered, IN with B is communicated with, and when controller is powered, IN with A is communicated with.Radio-frequency (RF) switch in the effect at main channel inlets place is: when equipment is not powered, and input signal is bypassed to passive multichannel allocation units, is assigned as multiple-channel output, does not power even if achieve, and equipment also can have correct multiple signals to export.
Two input channels all protocols having conversion and correction module, mutual conversion and the mutual error correction of the GPS/ Big Dipper/GALILEO/GLONASS tetra-kinds of signals are completed by this module.Fig. 4 is the theory diagram of protocol conversion and correction module, and it is made up of signal receiving unit, protocol conversion and error correction unit, signal simulator and external interface four unit.The GPS/ Big Dipper/GALILEO/GLONASS tetra-kinds of input signals are connected to the input end of signal receiving unit, the output terminal of signal receiving unit is connected to the input end of protocol conversion and error correction unit, the output terminal of protocol conversion and error correction unit is connected to signal simulator, signal simulator exports the GPS/ Big Dipper/GALILEO/GLONASS tetra-kinds of signals, protocol conversion and error correction unit have a bidirectional interface, be connected to external interface unit, external interface unit is connected to the intelligent controller that other has same-interface.
The job step of protocol conversion and correction module is as follows:
The first step: signal receiving unit receives the GPS/ Big Dipper/GALILEO/GLONASS tetra-kinds of signals, is converted to and includes longitude, latitude, sea level elevation, searches the digital stream of the information such as a star number.
Second step: protocol conversion and error correction unit read the digital stream of signal receiving unit, select the digital stream of high-quality signal inside four kinds of digital streams, are converted to the digital stream of setting, and pass to signal simulator.The digital stream of setting is one of the GPS/ Big Dipper/GALILEO/GLONASS tetra-kinds of signals.
3rd step: signal simulator, according to the digital stream received, generates corresponding radiofrequency signal.
The acp chip of protocol conversion and error correction unit is DSP (digital signal processor), adopts software simulating multiprotocol conversion function and multi-protocols error correction.
Protocol conversion and error correction unit are converted to any signal wherein the GPS/ Big Dipper/GALILEO/GLONASS tetra-kinds of signals, are set by external interface.In this embodiment, external interface is connected with CPU (central processing unit), sets by CPU (central processing unit) the signal translation type that agreement turns unit.This external interface refers to the interface adopting digital communication mode, and comprise and be not limited to the digital interface such as serial ports, parallel port, the interface of every employing digital communication mode is all at the utility model protection domain.
In this embodiment, the establishing method of signal translation type has two kinds: toggle switch is arranged and wireless telecommunications are arranged.
Code switch can export 00,01,10,11 4 group of data, and 00 representation signal is converted to gps signal, and 01 representation signal is converted to Big Dipper signal, and 10 representation signals are converted to GALILEO signal, and 11 representation signals are converted to GLONASS signal.The step of toggle switch signalization translation type is:
The first step: keeper is more set to 00,01,10 or 11 according to needs toggle switch;
Second step: the value of CPU (central processing unit) readout code switch, analyzing signal translation type is GPS, the Big Dipper, GALILEO or GLONASS;
3rd step: CPU (central processing unit) arranges protocol conversion and correction module according to analysis result.Protocol conversion and correction module have external interface, and CPU (central processing unit) is arranged protocol conversion and correction module by this external interface.
4th step: protocol conversion and correction module arrange according to CPU (central processing unit) the signal that the GPS/ Big Dipper/GALILEO/GLONASS tetra-kinds of signals are converted to needs.
By the step of wireless communication mode signalization translation type be:
The first step: keeper sends the order of signal conversion type set by the terminal such as mobile phone, PAD to signal type conversion multiple-channel output equipment;
Second step: the wireless communication module of signal type conversion multiple-channel output equipment demodulates the order that keeper sends, and is converted to digital signal and gives CPU (central processing unit);
3rd step: CPU (central processing unit) is according to command set protocol conversion and correction module.Protocol conversion and correction module have external interface, and CPU (central processing unit) is arranged protocol conversion and correction module by this external interface.
4th step: protocol conversion and correction module arrange according to CPU (central processing unit) the signal that the GPS/ Big Dipper/GALILEO/GLONASS tetra-kinds of signals are converted to needs.
Fig. 5 is the theory diagram of supply module, comprising: main supply module, stand-by power supply module, power supply detection module and alternative power switch.The output voltage of the power supply main supply module of detection module Real-Time Monitoring and stand-by power supply module, once find that the output voltage of main supply module is not normal, is switched to stand-by power supply path by alternative power switch immediately.This design improves the reliability of feed circuit.The input voltage of supply module is that 220V exchanges or 48V direct current, and output voltage is 5V/3.3V/1.8V direct current.
Protocol conversion multiple-channel output equipment has local display unit; this display unit is connected with CPU (central processing unit); by the control of CPU (central processing unit); the work state information of energy display device; display unit refers to that energy and people produce the display unit of eye contact; comprise light emitting diode, LED display, LCD display etc., all energy and people produce the display unit that exchanges at the utility model protection domain.
The wireless communication module of protocol conversion multiple-channel output equipment supports the communications regime such as GSM, 3G or 4G, and mobile communication multiple display modes compatible, and this wireless communication module has two functions:
First: protocol conversion multiple-channel output equipment sends long-range network management platform the operating state data of self to by wireless network;
Second: keeper arranges the signal translation type of protocol conversion multiple-channel output equipment by the wireless communication terminal such as mobile phone, PAD apparatus remote;
Signal amplification unit, signal combiner unit, passive multiple signals allocation units, wireless communication module and display unit are all existing mature technologies, realize these functions and do not have difficulties.
Fig. 6 is the principle of work block diagram of network management platform, and it comprises: wireless communication module, CPU (central processing unit), mass storage, wired network interface and supply module.Described CPU (central processing unit) is connected with wireless communication module, mass storage and wired network interface, and wireless communication module is connected with the wireless communication antenna in the external world, and wired network interface is connected with cable network.Supply module is used for 220V alternating current to be converted to 5V/3.3V/1.8V voltage, powers to wireless communication module, CPU (central processing unit), mass storage and wired network interface.
The job step of network management platform is:
The first step: webmaster CPU (central processing unit) sends order by wireless communication module to the protocol conversion multiple-channel output equipment of various places, sent once every five minutes;
Second step: after the protocol conversion multiple-channel output equipment of various places receives orders, current operating state data and No. ID packing of oneself are issued network management platform by wireless network;
3rd step: the protocol conversion multiple-channel output equipment that the wireless communication module of network management platform receives various places sends data, is converted to digital signal and sends webmaster CPU (central processing unit) to;
4th step: webmaster CPU (central processing unit) carries out subregion to mass storage, the operating state data of every platform protocol conversion multiple-channel output equipment has corresponding memory block, after webmaster CPU (central processing unit) receives the digital signal that wireless communication module transmits, extract No. ID and corresponding operating state data of protocol conversion multiple-channel output equipment, operating state data is preserved into corresponding memory block;
5th step: keeper, by the data in wireless network or wired network access mass storage, just can understand the duty of various places protocol conversion multiple-channel output equipment.
The wired network interface of network management platform refers to physical connection network interface, can be point-to-point line, also can be connected to LAN (Local Area Network), Metropolitan Area Network (MAN), Ethernet etc.Every mode by physical connection and this webmaster Platform communication is all at the utility model protection domain.
The wireless communication module of network management platform supports the communications regime such as GSM, 3G or 4G, and mobile communication multiple display modes compatible, and this wireless communication module has two functions:
First: keeper is by the operating state data in the wireless communication terminal such as mobile phone, PAD remote access network management platform mass storage;
Second: network management platform reads the operating state data of various places protocol conversion multiple-channel output equipment by wireless communication module.
Above the utility model is described in detail, but the utility model is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also makes a variety of changes under the prerequisite not departing from the utility model aim.Do not depart from design of the present utility model and scope can make many other and change and remodeling.Should be appreciated that the utility model is not limited to specific embodiment, scope of the present utility model is defined by the following claims.