CN2521854Y - Long-distance terminal unit connection structure for fumes purifier monitoring management network - Google Patents
Long-distance terminal unit connection structure for fumes purifier monitoring management network Download PDFInfo
- Publication number
- CN2521854Y CN2521854Y CN 01258711 CN01258711U CN2521854Y CN 2521854 Y CN2521854 Y CN 2521854Y CN 01258711 CN01258711 CN 01258711 CN 01258711 U CN01258711 U CN 01258711U CN 2521854 Y CN2521854 Y CN 2521854Y
- Authority
- CN
- China
- Prior art keywords
- rtu
- network
- smoke purifier
- terminal unit
- fumes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
A remote terminal element connecting structure used for a static fumes purifier to monitor and manage the network belongs to the technical field of data communications. The utility model aims at seeking a technical proposal which can be used for replacing a computer and A/D, I/D modules and realizing the direct access to the Internet of the purifier. The technical proposal of the utility model solves the problem that the interfaces of a hardware and a software between a set of fumes purifiers and a network data transmission medium PSIN is linked by a remote terminal elements RTU and MODEM; the fumes purifiers in the set are connected to be an integrated body through the RTU by a token combination structure to form an affiliated element of the network. On the basis of the structure, with a modem and a public telephone network, scores even hundreds of fumes purifiers in a district can be combined to form a low-cost monitoring and management network system which is practical and reliable; in this way, zero-range monitoring and management and after service can be implemented for users to ensure a long-term effective operation of all static fumes purifiers in the system.
Description
Technical field
The utility model relates to the data communication technology field, the remote-terminal unit syndeton that particularly a kind of electrostatic smoke purifier monitoring management network is used.
Background technology
The existing network technology is difficult to set up the monitor network of electrostatic smoke purifier.Because it is with diverse geographic location and has many computers of standalone feature, connect by communication equipment and circuit, and be that procotol, information exchange system control program and network operating system realize that Internet resources share by network software.Communication line all adopts coaxial cable or optical fiber at present.
By above-mentioned network technology, the output voltage of every electrostatic smoke purifier, current signal and relevant status signal are at first by networking behind analog-to-digital conversion module (A/D) and switching value input/output module (I/O) the access computer.Only this spending, the networking of every clearing machine are invested about 10,000 yuan.
Summary of the invention
The technical problems to be solved in the utility model is how to seek one can replace computer and A/D thereof, and the I/O module realizes the technical scheme that computer is directly surfed the Net.
Technical solution of the present utility model is such: the remote-terminal unit syndeton that a kind of smoke purifier monitoring management network is used, comprise modulator-demodulator (MODEM), the data transfer medium of network is public telephone network (PSTN), between the data transfer medium (PSTN) of one group of electrostatic smoke purifier and network, be connected to remote-terminal unit (RTU) and modulator-demodulator (MODEM), realize the interface contact of hardware and software; In group, link by remote-terminal unit (RTU) between electrostatic smoke purifier and the electrostatic smoke purifier as a whole, a slave unit of composition network system.Described remote-terminal unit (RTU) is by level discriminating circuit, photoelectric isolating circuit, microcontroller (MCU) and other auxiliary circuit are formed, its input signal is directly from the voltage of the high-frequency and high-voltage power supply of smoke purifier, take out on the current digital display circuit, be Transistor-Transistor Logic level by the level discriminating circuit conditioning then, after photoelectric isolating circuit is isolated, take out the safety signal that completely cuts off fully with high pressure and insert microcontroller (MCU), gather through (MCU), handle, 12 bytes of serial sign indicating numbers that will reflect the smoke purifier operating state behind the revolution by communications protocol through level translator output and after modulator-demodulator (MODEM) modulation by network data transmission medium (PSTN) Input Monitor Connector service centre's computers (PC) in.
Therefore use the remote terminal of the utility model RTU as network, use public telephone network can greatly reduce the cost of electrostatic smoke purifier monitor network as communication line, the imagination of setting up monitor network just might change reality into.
The computer (PC) at the utility model and modulator-demodulator (MODEM), public telephone network (PSTN) and Monitoring Service center is formed electrostatic smoke purifier management system for monitoring (JJBMS).The server parts are RTU.
Each RTU is getting in touch a high-frequency and high-voltage power supply (HHE), in large-scale smoke purifier equipment 2 or 4 HHE.No matter it is one or many with each user's smoke purifier for we, and whole RTU that it had are as a whole with the link of token structure.This is a kind of combining structure of reduced form, is one and simplifies very much rational technical scheme.
Adopt this remote-terminal unit RTU syndeton just can in a zone that has tens of families and even hundreds of users of family, set up a Monitoring Service center, monitor the operating state of smoke purifier, after-sale service timely is provided, guarantee that electrostatic smoke purifier works long-term effectively, airspace is avoided fume pollution.
In above-mentioned RTU syndeton; the serial data that RTU sends into PSTN by MODEM not only comprises work state informations such as the running parameter of operating voltage, electric current of the HHE of each table oil cigarette clearing machine and shutdown thereof, standby, short circuit, operation, and also has the sequence number of RTU in each table oil cigarette clearing machine and the sign of first place, level of power consumption thereof.Full detail is formed complete 12 bytes (byt) Content of communciation.
The information of each user's smoke purifier is by RTU, and in public telephone network PSTN collected in the PC at Monitoring Service center, the computer at center was responsible for gathering, edit, analyzing of data and by " expert system " of PC data monitored is diagnosed.All information and the diagnostic comments thereof that collect, all be presented on the display with the picture and text form, when the signal that obtains being about to break down, PC will be made house calls with instrument and spare part that the mode of sound and light alarm is pointed out staff's phone user at center or sent the maintenance personal to carry necessity, realize after-sale service, the monitoring management of " zero " distance.
Compared with prior art, the beneficial effects of the utility model are:
(1) effectively monitoring, management for a long time guarantees that smoke purifier moves work long-term effectively.
(2) system configuration simplify rationally, practical reliable.Cost is low, and operating cost is lower, and the user affords to use.
(3) has remote data transmission advantage.In some fairly large restaurant and hotel, its kitchen is many and disperse, and the phase mutual edge distance is bigger, and the utility model can join it together reliably.The whichever user, even scale is big again, it all is same minimum system configuration that the utility model gives each system.
(4) system installs very easy, only on " the JJB monitoring management network reservation interface " on the high-frequency and high-voltage Switching Power Supply casing of electrostatic smoke purifier, plug the top box that RTU is housed and use the cable interface of more ready standards already, carry out simple counterpart and patch, this user's network installation work is promptly accused and is finished.
(5) the utility model not only allows base layer structure arbitrarily to extend expansion, can use simultaneously ripe network technology and upwards set up the middle important department and the central machine of district's level, city-level, provincial information system, form the management that top-down multistage network structure is convenient to higher level department.
Description of drawings
Fig. 1 is the electrostatic smoke purifier monitoring management network architecture block diagram that adopts the utility model syndeton.
Fig. 2 is the utility model theory diagram.
Fig. 3 is separate unit smoke purifier networking application example figure.
Fig. 4 is many table oils cigarette clearing machine networking application example figure.
Embodiment
Embodiment 1:
Fig. 2 has provided the theory diagram of an embodiment RTU of the utility model, is described below below in conjunction with this block diagram:
1, the basic function of remote-terminal unit (RTU)
RTU has three basic functions: the one, and information gathering, the 2nd, data processing, the 3rd, link combination.
(1) information gathering
1. gather security information
The service behaviour of smoke purifier and index are under the condition of the electric field structure of determining, embody a concentrated reflection of on the operating state and running parameter thereof of high-frequency and high-voltage Switching Power Supply (HHE), and the operating voltage of HHE and operating current have been embodied a concentrated reflection of the operating state and the running parameter of power supply.Therefore, gather the voltage and current output valve of HHE and realize that secure internet connection is first key problem in technology problem of the present utility model.
2. determine information gathering point
The digital display circuit of the output voltage of HHE, electric current is directly sampled from high-voltage output end, therefore, can be from the LED charactron of the digital display circuit of HHE, just on the display circuit on the corresponding output end of application-specific integrated circuit (ASIC) ICL7107, take out the initial data of the digital signal of dependent segment as information gathering.
3. the information content
Output voltage: owing to be subjected to the input of the MCU of RTU, the restriction of output line (I/O), therefore, can only take out a, b, e, f among seven segment code a, b on the LED charactron of the units of output voltage and decile (0.0-9.9KV), c, d, e, f, the g with showing, g five segment encodes characterize corresponding 0,1,2,3,4,5,6,7,8,9.This is organized five segment encodes and is collectively referred to as ∑ U-abefg.
Output current: in like manner, a, b, e, f, g five segment encodes of (00.0-15.0MA) on b, c section and the units on the tens of taking-up output current, the decile.This is organized five segment encodes and is collectively referred to as ∑ I-abefg.
The data acquisition of above-mentioned output voltage and electric current has occupied the I/O line of 21 MCU.In addition, also has some other information requirements MCU input, output; Do not open the kitchen when quitting work at blower fan, should give MCU one " shutdown " (STOP) signal, take the I/O line of 1 MCU; MCU will export a control signal (HOLT) that makes its failure of oscillation when special-purpose digital display integrated circuit (IC) L7107 is carried out data acquisition, take the I/O line of 1 MCU; Should in time notify MCU during the HHE output short-circuit, take the I/O line (INT1) of 1 MCU; User uses one, and still some table oil cigarette clearing machines, every clearing machine dispose arrangement sequence number in every clearing machine of what HHE, RTU, HHE that RTU got in touch power consumption energy level and the RTU first place whether in its assembly in clearing machine, must notify MCU, import the I/O line that above-mentioned informational needs takies 4 MCU.In sum, in order to gather these data, information, used the I/O line of 28 MCU.
MCU among the RTU of the present utility model selects ATMSC51 for use, and it externally provides 30 I/O lines at most, and the 2 I/O lines of still surplusing are used in combination for linking between the RTU.The hardware resource that this shows ATMSC51 is all used foot.
4. nurse one's health input signal
The sign output voltage that takes out from the digital display circuit of HHE and the digital signal of electric current are not the Transistor-Transistor Logic levels of standard, can not be directly inputted to MCU.To represent the whole conditionings of 21 digital signals of output voltage and electric current to be the Transistor-Transistor Logic level of standard by the level discriminating circuit that IC1, IC3, IC5, IC7, IC9, IC11 form.
5. the safety of input signal is isolated
After the output signal of foregoing circuit must be handled through the photoelectric isolating circuit of being made up of IC2, IC4, IC6, IC8, IC10, IC12, could thoroughly break away from HHE " high pressure " threatens and disturbs, real safe and reliable signal is input to MCU, guarantees the safe and reliable of network system.Between the circuit work power before and after isolating without any electrical communication.
Other relevant signal also will pass through the photoelectricity isolation processing.
(2) data processing
Data processing task: will be input to the sign power source voltage of MCU in the RTU and five segment encodes of electric current and be transformed to binary-coded decimal; Binary-coded decimal is transformed to serial code and sends by the TX of MCU end.
TxD among the MCU (Transmitted DATA) is for sending data terminal.
(3) link combination
The user selects for use one or some even more s' electrostatic smoke purifier finally will be combined as an orderly RTU colony.RTU has the function of the combination of interlinking.
Toggle switch K1, K2 in Fig. 2, K4 have very confidential relation with the combination that links of RTU.
1. K switch 4
Be defined as the first RTU by MODEM by the RTU that level translator directly starts work, this starting impulse directly affacts the INTO end of MCU.
To the first RTU, the K4 among Fig. 2 is by the position of off plate on.Working procedure after the MCU of RTU starts will be inquired about the desired location of K4, be confirmed to be the first RTU after, MCU will carry out initialization to MODEM, set its working method.In a user's RTU colony, only define a first RTU.
2. K switch 2, K1
K2 among Fig. 2, K1 will be provided with the sequence number of HHE in clearing machine that this RTU gets in touch.If 4 power supplys of this machine equipment will be set at 11,10,01,00 successively with K2, the K1 of this 4 corresponding RTU of power supply.PC can learn that this clearing machine has 4 HHE after the K2 that inquires about corresponding RTU, K1 value; Be the RTU of which power supply just at present in communication; Whether the information gathering of this machine and revolution work finish.
3. K switch 3 defines the level of power consumption that every power supply is taken on.
4. the combination that links of RTU and RTU
Previous RTU is linked to the input plug J1 of next RTU by output plug J2.Previous RTU sends a starting impulse with following saltus step by the INTO of the next RTU of an I/O alignment of MCU before its program running finishes, order the program of next RTU to bring into operation just as sending token.Also can send the work token before this RTU end of run to the INTO of its next RTU ... RTU to the last.
The Monitoring Service center has one section to differentiate the program that data send end when its data acquisition program of operation.Do not have new data to send here in enough delay times, PC promptly implements the software automatic hand-up and begins to visit next user this user's telephone set.
The message transmission rate of MCU in the RTU is 2400bps.Each RTU is that 12byt is the 96bit serial code to the data of center P C machine transmission, only takies 0.04 second.The MCU program runtime is also few, so the on-hook of the PC differentiation time is very of short duration in fact.
2, application example
Fig. 3, Fig. 4 have enumerated the application example of separate unit smoke purifier and the networking of many table oils cigarette clearing machine respectively, and it has showed the RTU configuration structure of the network subordinate unit (user) that had fully set forth already the front and the link compound mode of RTU.
Fig. 1 is the electrostatic smoke purifier monitoring management network architecture block diagram that adopts the utility model syndeton, and RTU is a remote-terminal unit, ∑
1RTU is party A-subscriber's a RTU sum, and this quantity is same as the high-frequency and high-voltage Switching Power Supply sum of the some table oil cigarette clearing machines that are equipped in the party A-subscriber, ∑
2The definition of ∑ m and ∑
1Identical.
Under the prerequisite of following above-mentioned equipping rules and on-link mode (OLM), have the different usefulness that require and easyly to participate in electrostatic smoke purifier monitoring management network system provided by the utility model neatly per family.
Claims (2)
1, the remote-terminal unit syndeton used of a kind of smoke purifier monitoring management network, comprise modulator-demodulator (MODEM), the data transfer medium of network is public telephone network (PSTN), it is characterized in that: be connected to remote-terminal unit (RTU) and modulator-demodulator (MODEM) between the data transfer medium (PSTN) of one group of electrostatic smoke purifier and network; In group, link by remote-terminal unit (RTU) between electrostatic smoke purifier and the electrostatic smoke purifier as a whole, a slave unit of composition network system.
2, the remote-terminal unit syndeton that a kind of smoke purifier monitoring management network according to claim 1 is used, it is characterized in that: described remote-terminal unit (RTU) is by level discriminating circuit, photoelectric isolating circuit, microcontroller (MCU) and other auxiliary circuit are formed, its input signal is directly from the voltage of the high-frequency and high-voltage power supply of smoke purifier, take out on the current digital display circuit, be Transistor-Transistor Logic level by the level discriminating circuit conditioning then, after photoelectric isolating circuit is isolated, take out the safety signal that completely cuts off fully with high pressure and insert microcontroller (MCU), gather through (MCU), handle, 12 bytes of serial sign indicating numbers that will reflect the smoke purifier operating state behind the revolution by communications protocol through level translator output and after modulator-demodulator (MODEM) modulation by network data transmission medium (PSTN) Input Monitor Connector service centre's computers (PC) in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01258711 CN2521854Y (en) | 2001-12-13 | 2001-12-13 | Long-distance terminal unit connection structure for fumes purifier monitoring management network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01258711 CN2521854Y (en) | 2001-12-13 | 2001-12-13 | Long-distance terminal unit connection structure for fumes purifier monitoring management network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2521854Y true CN2521854Y (en) | 2002-11-20 |
Family
ID=33667260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01258711 Expired - Fee Related CN2521854Y (en) | 2001-12-13 | 2001-12-13 | Long-distance terminal unit connection structure for fumes purifier monitoring management network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2521854Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520281A (en) * | 2011-12-07 | 2012-06-27 | 上海群琳环保设备有限公司 | Remote monitoring device of high-voltage electrostatic oil smoke purification equipment |
-
2001
- 2001-12-13 CN CN 01258711 patent/CN2521854Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520281A (en) * | 2011-12-07 | 2012-06-27 | 上海群琳环保设备有限公司 | Remote monitoring device of high-voltage electrostatic oil smoke purification equipment |
| CN102520281B (en) * | 2011-12-07 | 2013-10-30 | 上海群琳环保设备有限公司 | Remote monitoring device of high-voltage electrostatic oil smoke purification equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202759287U (en) | Intelligent distribution monitoring system | |
| CN1606282A (en) | Home appliance network system and method for operating the same | |
| CN102195946A (en) | Intelligent communication controller based on ARM (Advanced RISC Machines) technology | |
| CN108037388A (en) | A kind of high damage taiwan area electricity data handling system | |
| CN110109856A (en) | A kind of device and method of remotely administered server system BMC | |
| CN108227657A (en) | A kind of dynamic environment monitoring system | |
| CN1508689A (en) | System and method for long-distace obtaining informtion of monitroed computer | |
| CN1595900A (en) | Intelligentized cell management system based on TCP/IP protocol | |
| CN1543125A (en) | System and method meeting network management requirement of mass terminal equipment | |
| CN1863110A (en) | Method for coordination working of multi-servicer apparatus in domestic network | |
| CN2521854Y (en) | Long-distance terminal unit connection structure for fumes purifier monitoring management network | |
| CN101324989A (en) | Automatic recognition technique of electrical energy meter in centralized meter reading system | |
| CN1866879A (en) | Method for realizing ADSL CPE tele-management by SNMP | |
| CN103746836A (en) | Embedded network management agent system based on ARM | |
| CN102104490B (en) | Comprehensive network management system for railway communication network | |
| CN108429763A (en) | A kind of industrial network system of one-way data transfer | |
| CN1722566A (en) | Countryside low-voltage electric distribution network automatization controlling device and its method | |
| CN1832297A (en) | Communication method and managing equipment of low voltage distribution field | |
| CN2645352Y (en) | Uninterrupted power source multiple machine centralization monitoring apparatus | |
| CN202334585U (en) | Intelligent home gateway | |
| CN106373341B (en) | A kind of the tandem type alarm device and method of communication equipment | |
| CN1604588A (en) | Multimachine centralized monitoring method and apparatus for UPS | |
| CN210075269U (en) | Embedded comprehensive data network shutdown machine of transformer substation based on edge calculation | |
| CN109922094A (en) | A kind of computer platform and storage equipment mutually binds, authentication method and computer | |
| CN109756576B (en) | Photoelectric network system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |