CN2531363Y - Concentrator - Google Patents
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- CN2531363Y CN2531363Y CN 02201270 CN02201270U CN2531363Y CN 2531363 Y CN2531363 Y CN 2531363Y CN 02201270 CN02201270 CN 02201270 CN 02201270 U CN02201270 U CN 02201270U CN 2531363 Y CN2531363 Y CN 2531363Y
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Abstract
A concentrator comprises a data processor, which is characterized in that further the concentrator comprises a modem; and the data processor is carried with a network communication interface, and the modem is carried with the network communication interface, and the data processor is linked to the modem; and the data processor receives control commands which are transmitted from a control network, and then the data processor processes the control commands and outputs the processed control commands to the modem, and the control commands are modulated and then are emitted to a collection network by the modem; and a measuring data signal which is transmitted from the collection network is demodulated and received by the modem, and the measuring data is input to the data processor by the modem, and the data processor processes the measuring data and then outputs the processed data to the control network. The concentrator can realize bidirectional communication between a main control unit of an energy supplying department and a measuring terminal of a user end.
Description
Technical field
The utility model relates to public energy supply and use field, a kind of specifically concentrator.
Background technology
The method of the measurement monitoring that the energy that the present public energy (as: electricity, water, gas, heat energy etc.) supply department implements uses is: at its user side measuring terminal is installed, by reading the continuous data of measuring terminal, add up user's consumption, and collect user's energy cost of use on this basis, using of supervisory user can situation.As seen, the method for the measurement monitoring that uses of this traditional energy mainly is to realize by the collection to user's continuous data.
Measuring terminal of the prior art is a kind of self-existent separately measuring terminal mostly, and its continuous data that can measure only is single continuous data, and its method that reads measuring terminal is got for the manual read simultaneously.Therefore, the method of the measurement monitoring that this energy uses is a kind of parameter from artificial collection single metering terminal, manual delivery information, arrive energy supply department aggregation process, it is various with energy measurement monitoring information to arrive feedback again, finally obtains the management system with energy measurement monitoring result.Yet in fact this system exists very big drawback, wherein:
Described measuring terminal function singleness, the continuous data of metering only are single continuous data, and this single parameter can not reflect the situation with energy comprehensively.And the required important energy supply parameter of energy supply department can't obtain from existing measuring terminal at all, and this has just had a strong impact on the comprehensive and accuracy with the energy measurement monitoring.
With the power supply is example: existing power consumption parameter meter (ammeter) can only measure single power consumption parameter (electric degree number), and the required important power supply parameter of power supply department, as: gaining merit is just changeing total electric weight, electric weight when gaining merit point, electric weight when gaining merit the peak, electric weight when gaining merit paddy, meritorious electric weight at ordinary times, meritorious oppositely total electric weight, meritorious electric weight array, the total electric weight of idle forward, idle oppositely total electric weight, maximum demand, the maximum demand time of origin, month power off time details, integral point voltage, the integral point electric weight, single-phase table status, the three-phase table status, magnitude of voltage, current value, multiple rate form etc., can't obtain from existing ammeter, this has just had a strong impact on the comprehensive and accuracy of electricity consumption measurement monitoring at all; And the parameter of the present single ammeter of human metering, manual delivery information, be actually a kind of information transmission cycle long, accuracy rate is low, and waste the method for a large amount of manpowers, it can't make the power supply department power information that obtains the user promptly and accurately, so power supply department can not be implemented in real time its user, monitoring accurately.
In order to solve the drawback in the existing available energy measurement monitoring method, Chinese patent, the patent No. 92110485.5 discloses a kind of ammeter, water meter, gas meter automaticdata metering system, this system is made up of line of electric force and the central station host, the user terminal device that are connected across on the line of electric force, can realize ammeter, water meter, the metering of gas meter automaticdata.
Because the networking basis of this ammeter, water meter, gas meter automaticdata metering system is a power circuit, so this system will face the interference problem that how to overcome the distribution wire network in message transmitting procedure.Under prior art, because Disturbance in Power Net is extremely serious, even if a spot of information communication also can't really enter practicality, and anti-interference problem can not effectively solve the stability of data transmission problem that also just can not solve, if the data transmission instability, the information truly that also just can not realize is transmitted automatically.Therefore can also use by measurement monitoring system with using of distribution line networking with regard to being difficult to stable mass.What should particularly point out here is that the flesh and blood of its disclosed ammeter, water meter, gas meter automaticdata metering system is to transmit automatically with information to replace artificial information transmission, to reach the purpose that the measuring terminal collection is copied and computer charges.Therefore the starting point of this system is to set up a kind of one-way communication network from the user side measuring terminal to energy supply end control center, finishes the task of directly reading the user side continuous data from control center.Though as seen the user side measuring terminal is able to link to each other with control center in such system, the parameter of its metering remains single parameter, and role remains independent operating, and the parameter that control center obtains remains simple parameter.So the network of this one-way communication can't fundamentally solve practical problems, and also a kind of initial stage form of networking just of the network of this one-way communication based on distribution line.
Network concept on the Modern Significance is to build, be the network system of the two-way communication of principal character with the procotol with the structure of server-client.Network of the prior art can be divided into two kinds: LAN (Local Area Network) and internet (INTERNET net).The characteristic of LAN (Local Area Network) has determined it can't build the huge network that relates to huge numbers of families with the energy measurement monitoring system like this.And the internet is that existed, worldwide, huge network group.It is characterized in that global computing machine can insert the internet easily and carry out interactively communication with the communication modes of ICP/IP protocol.Therefore a kind of imagination that adopts the internet to build with the energy measurement monitoring system is proposed.Because as long as with the master control computer of user side measuring terminal and control center all insert the internet just can manage it into one from the user side measuring terminal to the internet again to the whole network system of control center's master control computer.Though yet in practice control center's master control computer to link the internet be that part is easy to thing, if want with the user side measuring terminal link the internet be have now measuring terminal can't accomplish.
The problem that wants to solve the online of user side measuring terminal just must make the server/client structural relation between the satisfied and internet of this measuring terminal, and the communication feature with ICP/IP protocol, and such measuring terminal has the formation of a single-chip microcomputer at least and comprise a modulator-demodular unit.Again because this measuring terminal should have the function of the multiple parameter of metering, so its requirement to Sensor section will be much higher than existing measuring terminal, the price of so such measuring terminal also will be much higher than the price of existing measuring terminal, and expensive price will make it lose practicality.
Owing to be difficult to make measuring terminal to reach online in the prior art with unified cheaply, and measuring terminal is the key that realizes with the energy measurement monitoring system cheaply, because it relates to users' interests, therefore a kind of notion of middle device is proposed, this middle device upwards can be linked the internet, can connect a plurality of user side measuring terminals downwards, measuring terminal is surfed the Net by middle device.Because the technical requirement that measuring terminal is connected with middle device is relatively low, so just can when reducing the measuring terminal cost, reach the purpose of online.Yet the equipment that can be competent at this middle device in the prior art can only be a computer, and be very big in huge use amount with this middle device in can measurement monitoring system, therefore not only cost is too high as middle device to adopt computer, and every computer all machine room and personnel are supporting with it accordingly, so adopt computer not have practical value as middle device.
Chinese patent, patent No. 00238681.X discloses a kind of high capacity remote meter reading Centralized Controller, this high capacity remote meter reading Centralized Controller provides a kind of middle device that is used for public energy company remote meter readings such as tap water, heat supply and coal gas and control, it has adopted the logic control interface unit, and switch by code translator integrated circuit and on-off circuit and to finish input and solenoid control, be connected the user more than its each high capacity remote meter reading Centralized Controller may command 96 families in order to what realize user and control end.
Yet, this high capacity remote meter reading Centralized Controller must link to each other with its user by logic control interface unit and special line, its installation cost is still higher, and the number of users of control is very limited, the more important thing is, it can not realize the real time bidirectional communication of user side to control end, and therefore this middle device can not play the effect that realizes based on the two-way communication of communication protocol from the user side to the control end.
The utility model content
The utility model is a kind of concentrator, its purpose is, provide a kind of energy supply department main control equipment and user side measuring terminal of can making to realize two-way communication, cheaply, be suitable for the middle device of outdoor installation and work, the multinomial continuous data that measuring terminal is gathered, importing main control equipment into through described concentrator handles, the steering order that main control equipment is generated is imported measuring terminal into through described concentrator, make energy supply department main control equipment carry out two-way communication by concentrator and user side measuring terminal, thereby reach the real-time automatic data acquisition in the public energy measurement monitoring, the purpose of automaticdata transmission in real time, use by concentrator, a concentrator can be linked with more user, and this linking realized by the existing public net of registering one's residence, reduced user side measuring terminal cost, reduced the construction cost of energy use measurement monitoring system, the application of this system is become a reality, and it is high-quality with measuring and monitoring becomes a reality that energy supply department is implemented.
The realization the technical solution of the utility model is:
A kind of concentrator comprises: data processor is characterized in that also comprising modulator-demodular unit; Data processor is loaded with network communication interface, and modulator-demodular unit is loaded with network communication interface, and data processor and modulator-demodular unit link;
Data processor receives the steering order that Control Network transmits, and the steering order after the described steering order of data processor processes also will be handled outputs to modulator-demodular unit, and modulator-demodular unit arrives collection network with described steering order modulate emission;
The continuous data signal that modulator-demodular unit demodulate reception collection network transmits, and with described continuous data Input Data Process, the continuous data after the described continuous data of data processor processes also will be handled outputs to Control Network.
Described modulator-demodular unit can be cable modem; Described cable modem is loaded with the coaxial cable interface that can be connected with the HFC cable television network; Described cable modem can be modulated fsk signal.
Described data processor comprises at least: CPU and network interface card;
Network interface card is loaded with network communication interface, and CPU and network interface card link, and CPU can link by network communication interface and the Control Network that network interface card is loaded with.
Described data processor can comprise: CPU, network interface card and storer;
Network interface card is loaded with network communication interface, and CPU and network interface card link, and CPU can link by network communication interface and the Control Network that network interface card is loaded with;
CPU and storer link, and CPU can be to the storage access data.
Described data processor can comprise: CPU, network interface card, storer, high precision clock module;
Network interface card is loaded with network communication interface, and CPU and network interface card link, and CPU can link by network communication interface and the Control Network that network interface card is loaded with;
CPU and storer link, and CPU can be to the storage access data;
CPU and high precision clock module link, and the high precision clock module is to the instruction of CPU output clock.
Described data processor can be the industrial computer that is loaded with Ethernet interface, and described industrial computer links by com port and described cable modem.
Described a kind of concentrator also can comprise: power supply, described power supply provides electric energy to described industrial computer and cable modem.
Described a kind of concentrator also can comprise, temperature-detecting device, temperature control equipment, infrared transceiver device, Dongle circuit.
Described power supply comprises, can provide the common power of 5V, 12V voltage, backup battery, power transfer device.
Described a kind of concentrator comprises a cabinet at least, and this cabinet is provided with two connection jaws at least.
The utility model is a kind of concentrator, its provide a kind of can make energy supply department main control equipment and user side measuring terminal realize two-way communication, cheaply, be suitable for the middle device of outdoor installation and work.The multinomial continuous data that measuring terminal is gathered imports described concentrator into through collection network (as: HFC cable television network), after concentrator is handled the data of receiving, imports main control equipment into through Control Network (as: INTERNET net) again and handles; The steering order that main control equipment is generated is imported described concentrator into through Control Network (as: INTERNET net), after concentrator is handled the instruction of receiving, import measuring terminal into through collection network (as: HFC cable television network) again, make energy supply department main control equipment carry out two-way communication by concentrator and user side measuring terminal, thereby realized the real-time automatic data acquisition in the public energy measurement monitoring, automaticdata transmits in real time.
Because this concentrator is realized networking by collection network (as: HFC cable television network) and user side measuring terminal, make between measuring terminal and the concentrator communication form that forms client/server, the concentrator that each measuring terminal links with it in collection network relatively has unique IP address, and 1024 measuring terminals of the controlled restriction of each concentrator, so this concentrator has increased the platform number of the measuring terminal of controlling greatly; And it builds collection network by the common network (as: HFC cable television network) that has existed, so the networking cost is low, communication efficiency is good; This concentrator adapts to outdoor installation and condition of work simultaneously, it uses has also received reduction user side measuring terminal cost, thereby reduce the good result that the energy uses the construction cost of measurement monitoring system, it is high-quality with measuring and monitoring becomes a reality that energy supply department is implemented.Make energy supply department can real time measure, monitor the various energy operating positions of its user side, thereby accurately, gather continuous data rapidly, grasp stops can, steal situations such as energy, can in time safeguard public energy net, and according to the metering of rate again, realize time-shared charge with energy, to improve the operational efficiency of energy net, obtained energy savings, reduce the wastage, improve the running quality of energy network, hit and steal energy, improve the good result of energy supply service quality, thereby obtain huge economic benefit and social benefit.
Description of drawings
Fig. 1 is a structured flowchart of the present utility model;
Fig. 2 is the connecting relation block diagram of the utility model in energy supplying system;
The structured flowchart that Fig. 3 implements in electric power system for the utility model;
The software module function block diagram that Fig. 4 implements in electric power system for the utility model;
Fig. 5 is a real time data read module software flow block diagram of the present utility model;
Fig. 6 is a statistics module software flow block diagram of the present utility model;
Fig. 7 is provided with the module software FB(flow block) for measuring terminal of the present utility model.
Embodiment
As shown in Figure 1, the utility model comprises: data processor is characterized in that also comprising modulator-demodular unit; Data processor is loaded with network communication interface, and modulator-demodular unit is loaded with network communication interface, and data processor and modulator-demodular unit link;
As shown in Figure 2, data processor receives the steering order that Control Network transmits, and the steering order after the described steering order of data processor processes also will be handled outputs to modulator-demodular unit, and modulator-demodular unit arrives collection network with described steering order modulate emission;
The continuous data signal that modulator-demodular unit demodulate reception collection network transmits, and with described continuous data Input Data Process, the continuous data after the described continuous data of data processor processes also will be handled outputs to Control Network.
Modulator-demodular unit can be cable modem during enforcement; Described cable modem is loaded with the coaxial cable interface that can be connected with the HFC cable television network; Described cable modem can be modulated fsk signal.Described data processor comprises at least: CPU and network interface card; Network interface card is loaded with network communication interface, and CPU and network interface card link, and CPU can link by network communication interface and the Control Network that network interface card is loaded with.
Described data processor also can comprise: CPU, network interface card and storer; Network interface card is loaded with network communication interface, and CPU and network interface card link, and CPU can link by network communication interface and the Control Network that network interface card is loaded with; CPU and storer link, and CPU can be to the storage access data.Described data processor can also comprise: CPU, network interface card, storer, high precision clock module; Network interface card is loaded with network communication interface, and CPU and network interface card link, and CPU can link by network communication interface and the Control Network that network interface card is loaded with; CPU and storer link, and CPU can be to the storage access data; CPU and high precision clock module link, and the high precision clock module is to the instruction of CPU output clock.
The utility model provide a kind of can make energy supply department main control equipment and user side measuring terminal realize two-way communication, cheaply, be suitable for the middle device of outdoor installation and work.The multinomial continuous data that measuring terminal is gathered imports described concentrator into through collection network (as: HFC cable television network), after concentrator is handled the data of receiving, imports main control equipment into through Control Network (as: INTERNET net) again and handles; The steering order that main control equipment is generated is imported described concentrator into through Control Network (as: INTERNET net), after concentrator is handled the instruction of receiving, import measuring terminal into through collection network (as: HFC cable television network) again, make energy supply department main control equipment carry out two-way communication by concentrator and user side measuring terminal, thereby realized the real-time automatic data acquisition in the public energy measurement monitoring, automaticdata transmits in real time.
Because this concentrator is realized networking by collection network (as: HFC cable television network) and user side measuring terminal, make between measuring terminal and the concentrator communication form that forms client/server, the concentrator that each measuring terminal links with it in collection network relatively has unique IP address, and 1024 measuring terminals of the controlled restriction of each concentrator, so this concentrator has increased the platform number of the measuring terminal of controlling greatly; And it builds collection network by the common network (as: HFC cable television network) that has existed, so the networking cost is low, communication efficiency is good; This concentrator adapts to outdoor installation and condition of work simultaneously, it uses has also received reduction user side measuring terminal cost, thereby reduce the good result that the energy uses the construction cost of measurement monitoring system, it is high-quality with measuring and monitoring becomes a reality that energy supply department is implemented.Make energy supply department can real time measure, monitor the various energy operating positions of its user side, thereby accurately, gather continuous data rapidly, grasp stops can, steal situations such as energy, can in time safeguard public energy net, and according to the metering of rate again, realize time-shared charge with energy, to improve the operational efficiency of energy net, obtained energy savings, reduce the wastage, improve the running quality of energy network, hit and steal energy, improve the good result of energy supply service quality, thereby obtain huge economic benefit and social benefit.
In electric power system, be applied as example with the utility model, describe the enforcement of described concentrator in detail.As shown in Figure 3, hardware environment of the present utility model is: adopt the industrial computer 3 that is loaded with Ethernet interface 7 as data processor, wherein industrial computer 3 can be selected for use and grind magnificent industrial computer (PCM4823, PCM5820, PC/104 3350).Power supply 1 is connected with modulator-demodular unit (Modem) 5 with industrial computer 3 by power supply line 2; Industrial computer 3 is connected with modulator-demodular unit (Modem) 5 by com port line 4; Modulator-demodular unit (Modem) 5 is loaded with coaxial cable interface 6;
Described a kind of concentrator comprises a cabinet at least, and this cabinet is provided with two connection jaws at least; It also can comprise, temperature-detecting device, and temperature control equipment, infrared transceiver device, in order to adapt to the outwork environment, the Dongle circuit is used for protection.Modulator-demodular unit (Modem) 5 adopts the Modem that can modulate FSK signal demodulation.
Software environment of the present utility model is:
The system software workbench is: operating system: Wince 3.0; System development environment: EmbededVisual C++3.0.
As shown in Figure 4, the utility model main software module is: measuring terminal setting, real time data are read, automatic data collection, statistics, system's setting, file access.
As shown in Figure 5, the real time data read module is meant that the control end computer initiatively sends and reads real-time reading order to concentrator, resolve after concentrator is received and form the reading order that is handed down to collector then respectively, ammeter reports concentrator after executing order, carry out framing after the replying of all ammeters that comprise during concentrator receives orders, report the control end computer.
As shown in Figure 6, statistics module is meant that some data that concentrator reads automatically are as integral point electric weight, integral point voltage in working at ordinary times, the control end computer sends and reads the statistics order to concentrator then, concentrator is received the back parsing, and extract needed data in the order from the local library file, and framing reports.
As shown in Figure 7, measuring terminal is provided with module and is meant that the control end computer sends ammeter to concentrator order is set, and is used to be provided with ammeter mode of operation (comprising multiple rate form, festivals or holidays form, maximum demand etc.).Concentrate and to receive and at first preserve the content that will be provided with after order is set, carry out different disposal respectively according to specific instructions, for order is set in real time, in time framing sends and order is set to ammeter, and report the result is set, checking meter etc. for festivals or holidays, fixed time section needs timed sending that order is set to give collector.The result is set statistics and framing reports.Be example so that the order of ammeter break-make to be set below, detailed description is provided with the implementation of order, concentrator will automatically perform data acquisition in routine duties, and concentrator regularly carries out the ammeter state acquisition at ordinary times, and according to the ammeter state of gather judge collector work whether normally, whether have power failure, whether super merit ruuning situation arranged, then according to the status word type, as have power failure, read the power failure details automatically, as have super merit, then read super merit data automatically, last framing reports.Automatically read integral point electric weight, integral point voltage during integral point, every day is when carrying out the ammeter school, sent in every month order is set festivals or holidays, issuing in each season once again, rate is provided with order, automatically report regularly freezing data, if in reporting formation, have the data that in time do not report, report operation automatically.
As shown in Figure 4, file access is a critical function in the system, and the integral point electric weight, integral point voltage, month freezing data, power failure details, the system that have preserved collector in the library file are provided with parameter, system operational parameters etc.System can set up each library file automatically so that visit during system works initialized the time.
As shown in Figure 4, system is provided with concentrator number mainly is set, reports server ip, reports server Port, the local Port of connection, considers the problem of network security, and this function is finished initialized at the scene the time by operating personnel.
The utility model provide a kind of can make power supply department master control computer and user side ammeter realize two-way communication, cheaply, be suitable for the middle device of outdoor installation and work.The multinomial continuous data that ammeter is gathered imports described concentrator into through collection network (as: HFC cable television network), after concentrator is handled the data of receiving, imports the master control computer into through Control Network (as: INTERNET net) again and handles; The steering order that the master control computer is generated is imported described concentrator into through Control Network (as: INTERNET net), after concentrator is handled the instruction of receiving, import ammeter into through collection network (as: HFC cable television network) again, make that power supply department master control computer expert crosses concentrator and the user side ammeter carries out two-way communication, thereby realized the real-time automatic data acquisition in the power supply measurement monitoring, automaticdata transmits in real time.
Because this concentrator is realized networking by collection network (as: HFC cable television network) and user side ammeter, make between ammeter and the concentrator communication form that forms client/server, the concentrator that each ammeter links with it in collection network relatively has unique IP address, and 1024 ammeters of the controlled restriction of each concentrator, so this concentrator has increased the platform number of institute's control ammeter greatly; And it builds collection network by the common network (as: HFC cable television network) that has existed, so the networking cost is low, communication efficiency is good; This concentrator adapts to outdoor installation and condition of work simultaneously, and it uses has also received reduction user side ammeter cost, and the good result of the construction cost of measurement monitoring system thereby reduction is powered makes power supply department implement high-quality power supply metering and monitoring becomes a reality.Make power supply department can real time measure, monitor the various electricity consumption situations of its user side, thereby gather continuous data accurately, rapidly, grasp and have a power failure, steal situations such as electricity, can electrical network in time be safeguarded, and according to the metering of rate again, realize the time-shared charge of electricity consumption, to improve the operational efficiency of electrical network, obtained using electricity wisely, reduce the wastage, improve the running quality of electrical network, hit and steal electricity, improve the good result of power supply service quality, thereby obtain huge economic benefit and social benefit.
Above embodiment only is used to the utility model is described but not is used to limit this utility model.
Claims (10)
1. concentrator, comprising: data processor is characterized in that also comprising modulator-demodular unit; Data processor is loaded with network communication interface, and modulator-demodular unit is loaded with network communication interface, and data processor and modulator-demodular unit link;
Data processor receives the steering order that Control Network transmits, and the steering order after the described steering order of data processor processes also will be handled outputs to modulator-demodular unit, and modulator-demodular unit arrives collection network with described steering order modulate emission;
The continuous data signal that modulator-demodular unit demodulate reception collection network transmits, and with described continuous data Input Data Process, the continuous data after the described continuous data of data processor processes also will be handled outputs to Control Network.
2. a kind of concentrator according to claim 1 is characterized in that: described modulator-demodular unit can be cable modem; Described cable modem is loaded with the coaxial cable interface that can be connected with the HFC cable television network; Described cable modem can be modulated fsk signal.
3. a kind of concentrator according to claim 2 is characterized in that: described data processor comprises at least: CPU and network interface card;
Network interface card is loaded with network communication interface, and CPU and network interface card link, and CPU can link by network communication interface and the Control Network that network interface card is loaded with.
4. a kind of concentrator according to claim 2 is characterized in that: described data processor can comprise: CPU, network interface card and storer;
Network interface card is loaded with network communication interface, and CPU and network interface card link, and CPU can link by network communication interface and the Control Network that network interface card is loaded with;
CPU and storer link, and CPU can be to the storage access data.
5. according to the described a kind of concentrator of claim 2, it is characterized in that: described data processor can comprise: CPU, network interface card, storer, high precision clock module;
Network interface card is loaded with network communication interface, and CPU and network interface card link, and CPU can link by network communication interface and the Control Network that network interface card is loaded with;
CPU and storer link, and CPU can be to the storage access data;
CPU and high precision clock module link, and the high precision clock module is to the instruction of CPU output clock.
6. a kind of concentrator according to claim 2 is characterized in that: described data processor can be the industrial computer that is loaded with Ethernet interface, and described industrial computer links by com port and described cable modem.
7. a kind of concentrator according to claim 6, it is characterized in that: described a kind of concentrator also can comprise: power supply, described power supply and industrial computer and cable modem are connected and provide electric energy to described industrial computer and cable modem for common.
8. a kind of concentrator according to claim 7 is characterized in that: it also can comprise, temperature-detecting device, temperature control equipment, infrared transceiver device, Dongle circuit.
9. a kind of concentrator according to claim 8 is characterized in that: described power supply comprises, can provide the common power of 5V, 12V voltage, backup battery, power transfer device.
10. a kind of concentrator according to claim 9 is characterized in that: it also comprises a cabinet at least, and this cabinet is provided with two connection jaws at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02201270 CN2531363Y (en) | 2002-01-10 | 2002-01-10 | Concentrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02201270 CN2531363Y (en) | 2002-01-10 | 2002-01-10 | Concentrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2531363Y true CN2531363Y (en) | 2003-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02201270 Expired - Fee Related CN2531363Y (en) | 2002-01-10 | 2002-01-10 | Concentrator |
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| Country | Link |
|---|---|
| CN (1) | CN2531363Y (en) |
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2002
- 2002-01-10 CN CN 02201270 patent/CN2531363Y/en not_active Expired - Fee Related
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |