CN1293688C - Combination unit type safety monitoring protection system and monitor thereof - Google Patents
Combination unit type safety monitoring protection system and monitor thereof Download PDFInfo
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- CN1293688C CN1293688C CNB031187277A CN03118727A CN1293688C CN 1293688 C CN1293688 C CN 1293688C CN B031187277 A CNB031187277 A CN B031187277A CN 03118727 A CN03118727 A CN 03118727A CN 1293688 C CN1293688 C CN 1293688C
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Abstract
The present invention relates to a combination unit type safety monitoring protection system and a monitor thereof. The monitoring protection system is formed by combining a manage computer and a plurality of grades of monitoring devices on the low-voltage side of a transformer, wherein the monitoring device of each grade is formed by combining a monitoring protection unit and a monitoring protection unit set or a monitoring protection unit group. The monitor comprises a management type monitor, a main monitor or a use type monitor. In a user branch monitoring system, one-to-many combination unit carrier communication structure schemes are adopted between the management type monitor and the corresponding user type monitor, and between a branch management type monitor of each grade and a corresponding management type monitor of the next grade. Serial communication is adopted between each of the branch management type monitors of the same grade and the main monitor. The present invention has the advantages of many functions, wide application, integration of monitoring and protection functions, reduced overlapping investment, etc.
Description
Technical field
The present invention relates to network type low pressure monitoring and protection field, particularly combining unit formula safety monitoring protection system and watch-dog thereof.
Background technology
In the last few years, had multi-functional network type low pressure monitoring technique development comparatively fast, and all had both at home and abroad to be used for above field digital technology supervisory control system and device in a certain respect respectively separately, comprising the supervisory control system of utilizing the low pressure carrier wave mechanics of communication to be set up.At present, these existing in prior technology major defects are:
1. supervisory control system and device only are used for above application in a certain respect, and its function is dull relatively.
2. supervisory control system adopts the structural scheme and the corresponding low pressure carrier wave communication scheme of the direct radiator type of a pair of multiple spot, but unmatchful carrier signal voltage oriented retained measure, signal code is shunted by the multichannel loading duplexure, the signal voltage attenuation amplitude is big, and the reliability that its communication system transmits carrier signal can not get guaranteeing.
3. the supervisory control system that adopts the low pressure carrier wave technology to be set up is only checked meter and to the operation control of electrical appliance, and unmatchful various electric accident is monitored, protected and the warning measure.
Summary of the invention
Technical problem to be solved by this invention is: a kind of collection monitoring, protection and communication function incorporate combining unit formula safety monitoring system and watch-dog thereof are provided; it is except monitoring and reporting to the police; both can be under various electric accidents and fire condition disengagement failure circuit selectively automatically; to reduce human casualty accident and fire incident, communication reliability and surveillance and control measure are guaranteed.
The technical solution adopted for the present invention to solve the technical problems is as follows:
Monitor protective system of the present invention comprises: a. with the house type watch-dog respectively with the corresponding control switch corresponding matching monitoring one by one of management type watch-dog, form one road user monitoring protected location;
B. Tong Ji multiple branches control switch combines, and implements management by the management type watch-dog of corresponding levels, is combined into the horizontal monitoring and protection unit group (2M-1) of user branch, and M is a natural number;
C. by monitoring and protection unit and monitoring and protection unit group, be combined into monitoring and protecting devices at different levels, up to step down side;
D. by computer on duty and some grades of monitoring and protecting devices, be combined into safety monitoring protection system.
Watch-dog of the present invention comprises the management type watch-dog, uses house type watch-dog, transmission monitor.
The structure of management type watch-dog is: be provided with current transducer, leakage current transmitter, high-frenquency current blocking device and have driving mechanism and the section breaker of drive coil, it is contacted by leader cable; Be provided with two high frequency carrier communication modules, it once goes between and links to each other with the both sides of high-frenquency current blocking device respectively, and this two communication module links to each other with voltage transmitter, voltage module; Be provided with main control module, except that high-frenquency current blocking device, aforesaid remaining part all is attached thereto; Be provided with the serial communication module, its first lead-in wire links to each other with main control module, and second lead-in wire and other the serial communication module of management type watch-dog at the same level link to each other.
On the basis of management type watch-dog structure, minimizing serial communication module then constitutes uses the house type watch-dog, reduces the high frequency carrier communication module and then constitutes transmission monitor.
Products obtained therefrom of the present invention has following major advantage:
One. function is many: in electric pressure is the low-voltage using electricity system zone of 380 volts of line voltages, 220 volts of phase voltages; not only can separately but also can comprehensively monitor automatically, protect and manage fire prevention, anti-gas leakage, anti-electric accident, theft protection, and electricity consumption, water, with the Automatic meter reading system management of gas.
They are two years old. and monitoring, protection and the communication function of above application is integrated, with the minimizing overlapping investment, and easy to use.
They are three years old. can be widely used in using the various dwelling houses in the town and country with low pressure using electricity system, occasion and industry.
Description of drawings
Fig. 1 is a combining unit formula safety monitoring protection system block diagram.
Fig. 2 is user's branch stage combining unit formula safety monitoring protection system and watch-dog structural representation thereof.
Among Fig. 1: 1. computer on duty; 2. management type watch-dog; 3. control switch; 4. three-phase house type watch-dog; 5. three phase controlling switch; 6. the single-phase house type watch-dog of using; 7. single-phase control switch.
Square frame one. total monitoring cabinet and computer on duty; Square frame two. main line branch monitoring cabinet; Square frame three. user branch monitoring cabinet; Square frame four. with house type watch-dog, load and transducer.
Among Fig. 2: current transducer 10,20,30,40; Leakage current transmitter 11,21,31,41; High-frenquency current blocking device 12,22,32,42; Control switch 13,23,33,43; High frequency carrier communication module 14,24,44,26,36,46; Main control module 15,25,35,45; Voltage transmitter 17,27,37,47; Serial communication module 18,38.
Divide way control switch 201,202,203,204,301,302,303,304,401,402,403,404.
Among square frame I～N: square frame i. transmission monitor internal structure; Square frame ii, iv～2M. house type watch-dog internal structure; Square frame iii～2M-1. management type watch-dog internal structure.I, N, M. natural number.
Embodiment
The invention will be further described below in conjunction with embodiment and accompanying drawing.
One. safety monitoring protection system
As shown in Figure 1 and Figure 2, the present invention takes three kinds of combining unit formula scheme structures.
The first string comprises:
A. with the house type watch-dog respectively with the corresponding control switch corresponding matching monitoring one by one of management type watch-dog 2, be combined into one road user monitoring unit (as square frame among Fig. 1 four～three, square frame I among Fig. 2～N).That is: as shown in Figure 2, can (as square frame ii), with corresponding single-phase control switch 7 (as 201,204 among the square frame ii) the corresponding matching monitoring one by one of management type watch-dog 2, form one road user monitoring unit respectively with house type watch-dog 6 by single-phase.Also can be by three-phase with house type watch-dog 4, with the three corresponding phase controlling switch 5 corresponding matching monitoring one by one of management type watch-dog 2, form one road user monitoring unit respectively.Single-phase, three-phase uses house type watch-dog structure identical.
B. the control switch of Tong Ji multiple branches combines, and implements management by the management type watch-dog of corresponding levels, is combined into the horizontal monitoring and protection unit group (as square frame among Fig. 1 three, square frame iii among Fig. 2～(2M-1)) of user branch.M is a natural number.
C. by monitoring and protection unit and monitoring and protection unit group, be combined into monitoring and protecting devices at different levels, up to step down side.
D. by computer 1 on duty and some grades of monitoring and protecting devices, be combined into safety monitoring protection system.
Second scheme also comprises on the basis of the first string:
E. the management type watch-dog of user branch cooperates monitoring with the control switch of the respective branches of the corresponding management type watch-dog of upper level, forms one tunnel user branch monitoring and protection unit (as square frame among Fig. 1 three, two) longitudinally.
The control switch of a plurality of user f. at the same level branch combines, and implements management by the management type watch-dog of corresponding levels, is combined into the horizontal monitoring and protection unit group (as square frame among Fig. 1 two) of main line branch.
The 3rd scheme also comprises on the basis of first and second scheme: g. monitoring and protection one-element group is made of (as square frame i among Fig. 2～2M-1) a plurality of monitoring and protections unit group of peer.
Any one tunnel branch or one road subscriber's line can be monitored and protect to above-mentioned combining unit formula structural scheme easily, is convenient to only excise faulty line especially, keeps the fault-free circuit and continue operation.
Two. watch-dog
Comprise management type watch-dog 2, use house type watch-dog, transmission monitor.
The management type watch-dog, its structure is shown in square frame iii among Fig. 2: be provided with current transducer 30, leakage current transmitter 31, high-frenquency current blocking device 32 and have driving mechanism and the section breaker of drive coil 33, it is contacted by leader cable; Be provided with high frequency carrier communication module 14,36, it once goes between and links to each other with the both sides of high-frenquency current blocking device 32 respectively, and this two communication module links to each other with voltage transmitter, power module 37; Be provided with main control module 35, except that high-frenquency current blocking device, aforesaid remaining part all is attached thereto; Be provided with serial communication module 38, its first lead-in wire links to each other with main control module 35, and second lead-in wire and other the serial communication module of management type watch-dog at the same level link to each other.The effect of section breaker 33 is in order manually or automatically to disconnect protected circuit in the case of necessary.
On the basis of management type watch-dog structure, (square frame ii) constitutes transmission monitor (square frame i) if reduce 36 of high frequency carrier communication modules with the house type watch-dog if reduce 38 formations of serial communication module.
Annexation with house type watch-dog and management type watch-dog is: as shown in Figure 2, by cable, link to each other with control switch 33 in the management type watch-dog with dividing way control switch (as 304), branch way control switch (as 304) with the current transducer 2 in the house type watch-dog.
As shown in Figure 2, link to each other by cable with dividing way control switch (as 201) with the control switch 23 in the house type watch-dog.
Three. combining unit formula communication system
The present invention is for solving multifunctional safety monitoring device and the integrity problem of system aspect communication, taked the communication structural scheme with the corresponding to combining unit formula of watch-dog structural scheme, comprising:
A. management type watch-dog in the user branch supervisory control system (see square frame iii) and corresponding with the house type watch-dog (as square frame ii, iv) between, take the assembled unit carrier communication structural scheme of one-to-many, wherein, in the usefulness electric line both sides correspondence that connects this Two monitor levels device high-frenquency current blocking device 32 is set respectively, carrier signal is retained in the carrier channel between the upper and lower Two monitor levels device, to guarantee both reliable communicatings.
B. between the management type watch-dog 2 and the corresponding management type watch-dog 2 of next stage in branch management at different levels system, take the assembled unit carrier communication structural scheme (as square frame among Fig. 1 three, two) of one-to-many, wherein in the usefulness electric line both sides correspondence that connects this Two monitor levels device high-frenquency current blocking device 32 is set respectively, carrier signal is retained in the carrier channel between the upper and lower Two monitor levels device, to guarantee both reliable communicatings.
C. between Tong Ji a plurality of branch management type watch-dogs 2 and the transmission monitor (square frame i), carry out serial communication by the serial communication module.
Also comprise: take serial communication (Fig. 1) between total watch-dog of d. step down side and the computer on duty 1, total watch-dog is identical with the structure of management type watch-dog 2.
Four. protection and management system
According to user's needs, the present invention not only can separately but also can comprehensively monitor automatically, protect and manage fire prevention, anti-gas explosion, anti-electric accident, theft protection, and carry out electricity consumption, water, with the Automatic meter reading system management of gas.
As shown in Figure 1: control switch 3 connects theft-proof sensor A, fire prevention transducer B, illumination E and image sensor F by cable; UA, UB, UC that three inputs of transformer connect three phase mains respectively hold (seeing square frame one).Three-phase can connect theft-proof sensor A, fire prevention transducer B, anti-gas leakage transducer C, power D, illumination E and image sensor F (seeing square frame four) by cable with house type watch-dog 4, single-phase with house type watch-dog 6.
Between house type watch-dog and its corresponding theft-proof sensor A, fire prevention transducer B, anti-gas leakage transducer C, power D, illumination E and image sensor F, can carry out one-to-many by the road carrier communication.
Claims (4)
1. a safety monitoring protection system is characterized in that taking combining unit formula scheme structure safety monitoring protection system, comprising:
A. use the house type watch-dog respectively with the corresponding matching monitoring one by one of the corresponding control switch of management type watch-dog (2), form one road user monitoring protected location,
B. Tong Ji multiple branches control switch combines, and implements management by the management type watch-dog of corresponding levels, is combined into the horizontal monitoring and protection unit group (2M-1) of user branch, and M is a natural number,
C. by monitoring and protection unit and monitoring and protection unit group, be combined into monitoring and protecting devices at different levels, up to step down side,
D. by computer on duty (1) and some grades of monitoring and protecting devices, be combined into safety monitoring protection system.
2. safety monitoring protection system according to claim 1 is characterized in that monitoring and protecting devices at different levels, also comprises:
E. the management type watch-dog of user branch cooperates monitoring with the control switch of the respective branches of the corresponding management type watch-dog of upper level, forms one tunnel user branch monitoring and protection unit longitudinally,
The control switch of a plurality of user f. at the same level branch combines, and implements management by the management type watch-dog of corresponding levels, is combined into the horizontal monitoring and protection unit group of main line branch.
3. safety monitoring protection system according to claim 1 is characterized in that supervising devices at different levels, also comprises:
G. monitoring and protection one-element group is made of a plurality of monitoring and protections unit group of peer.
4. a safety monitoring protection system watch-dog is characterized in that combining unit formula safety monitoring protection system watch-dog, and it comprises management type watch-dog (2), uses house type watch-dog, transmission monitor,
The structure of management type watch-dog (2) is: be provided with current transducer (30), leakage current transmitter (31), high-frenquency current blocking device (32) and have driving mechanism and the section breaker of drive coil (33), it is contacted by leader cable; Be provided with high frequency carrier communication module (14), (36), it once goes between and links to each other with the both sides of high-frenquency current blocking device (32) respectively, and this two communication module links to each other with voltage transmitter, voltage module (37); Be provided with main control module (35), except that high-frenquency current blocking device, aforesaid remaining part all is attached thereto; Be provided with serial communication module (38), its first lead-in wire links to each other with main control module (35), and second lead-in wire and other the serial communication module of management type watch-dog at the same level link to each other,
On the basis of management type watch-dog structure, minimizing serial communication module (38) then constitutes uses the house type watch-dog, reduces high frequency carrier communication module (36) and then constitutes transmission monitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031187277A CN1293688C (en) | 2003-03-04 | 2003-03-04 | Combination unit type safety monitoring protection system and monitor thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031187277A CN1293688C (en) | 2003-03-04 | 2003-03-04 | Combination unit type safety monitoring protection system and monitor thereof |
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| Publication Number | Publication Date |
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| CN1434412A CN1434412A (en) | 2003-08-06 |
| CN1293688C true CN1293688C (en) | 2007-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB031187277A Expired - Fee Related CN1293688C (en) | 2003-03-04 | 2003-03-04 | Combination unit type safety monitoring protection system and monitor thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1237024A (en) * | 1998-03-05 | 1999-12-01 | 东芝株式会社 | Controlling system, protection controlling system for power system and storage medium for storing program |
| CN1271195A (en) * | 1998-04-17 | 2000-10-25 | 东芝株式会社 | Protective controller, monitoring system and storage medium of storage program |
| US6285917B1 (en) * | 1996-12-03 | 2001-09-04 | Kabushiki Kaisha Toshiba | Electric power system protection and control system and distributed control system |
| CN2503657Y (en) * | 2001-09-07 | 2002-07-31 | 贵阳科兴达电力技术有限公司 | Low-voltage combined monitoring and protection device for electric power station |
-
2003
- 2003-03-04 CN CNB031187277A patent/CN1293688C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6285917B1 (en) * | 1996-12-03 | 2001-09-04 | Kabushiki Kaisha Toshiba | Electric power system protection and control system and distributed control system |
| CN1237024A (en) * | 1998-03-05 | 1999-12-01 | 东芝株式会社 | Controlling system, protection controlling system for power system and storage medium for storing program |
| CN1271195A (en) * | 1998-04-17 | 2000-10-25 | 东芝株式会社 | Protective controller, monitoring system and storage medium of storage program |
| US6198402B1 (en) * | 1998-04-17 | 2001-03-06 | Kabushiki Kaisha Toshiba | Electric power system protection and control system |
| CN2503657Y (en) * | 2001-09-07 | 2002-07-31 | 贵阳科兴达电力技术有限公司 | Low-voltage combined monitoring and protection device for electric power station |
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| CN1434412A (en) | 2003-08-06 |
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