CN202102060U - Direct current distribution intelligent detection unit - Google Patents
Direct current distribution intelligent detection unit Download PDFInfo
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- CN202102060U CN202102060U CN2011201640596U CN201120164059U CN202102060U CN 202102060 U CN202102060 U CN 202102060U CN 2011201640596 U CN2011201640596 U CN 2011201640596U CN 201120164059 U CN201120164059 U CN 201120164059U CN 202102060 U CN202102060 U CN 202102060U
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Abstract
The present utility model discloses a direct current distribution intelligent detection unit. The unit comprises a main control board, and a first branch power supply V1, a first branch Hall current sensor and a man-machine interaction module respectively and electrically connected with the main control board. The main control board comprises a one-chip microcomputer, a first complex programmable logic device CPLD, a communication module provided with a plurality of communication interfaces, an A/D conversion module, an operational amplifier, an alarm output module provided with an alarm output interface, and a first branch state detection module provided with 48 paths of distribution branch state acquisition ends. By adopting the unit, the shortages of the prior art that the structure is complex, the cost is high and the reliability is low can be solved, and the advantages of simple structure, high integrated level, low cost and high reliability can be realized.
Description
Technical field
The utility model relates to field of telecommunications, particularly, relates to a kind of DC distribution Intelligent Measurement unit.
Background technology
Along with mobile communication technology, data communication network technology rapid development and application; Telecom operators propose increasingly high requirement to various communication facilities reliabilities of operation; Can the reliability service of communication facilities, the timely warning of breaking down etc. be directly connected to the operation maintenance quality of user to communication facilities, directly have influence on the normal operation that ensure communication facilities.
In the prior art; Communication is used the DC distribution equipment monitoring means to adopt with single-chip microcomputer and is realized above-mentioned functions as core devices; It is more that the peripheral interface chip that the monitoring of line state selects for use is propped up in DC distribution; Hardware circuit is numerous and diverse, realize that 96 road distribution branch road status monitorings need a plurality of circuit modules to realize; And can only reflect two states, i.e. normal and fuse blows (fault) two states of fuse to distribution branch road status monitoring.
In sum, in the process that realizes the utility model, the inventor finds to exist at least in the prior art following defective:
⑴ complex structure: the DC distribution equipment monitoring means is core devices with the single-chip microcomputer, and it is more that the peripheral interface chip that the monitoring of line state selects for use is propped up in DC distribution, and hardware circuit is numerous and diverse, realize that 96 road distribution branch road status monitorings need a plurality of circuit modules to realize;
⑵ cost is high: the peripheral interface chip of DC distribution equipment monitoring means is many, realizes that 96 road distribution branch road status monitorings need a plurality of circuit modules, and hardware cost is higher;
⑶ reliability is low: the DC distribution equipment monitoring means can only reflect two states to distribution branch road status monitoring, i.e. normal and fuse blows (fault) two states of fuse.
The utility model content
The purpose of the utility model is, to the problems referred to above, proposes a kind of DC distribution Intelligent Measurement unit, and is simple with implementation structure, integrated level is high, cost is low and the high advantage of reliability.
For realizing above-mentioned purpose; The technical scheme that the utility model adopts is: a kind of DC distribution Intelligent Measurement unit; Comprise master control borad, and the first branch road power supply V1, first branch road Hall current sensor and the human-computer interaction module that are electrically connected with said master control borad respectively; Wherein:
Said master control borad comprises single-chip microcomputer, first complex programmable logic device (CPLD), the communication module with a plurality of communication interfaces, A/D modular converter, operational amplifier, have the alarm output interface the alarm output module, with the first branch road state detection module with the 1st to the 48 road distribution branch road state acquisition end;
The said first branch road power supply V1, operational amplifier and A/D modular converter are electrically connected successively; The first branch road Hall current sensor and A/D modular converter are electrically connected; Single-chip microcomputer is electrically connected with A/D modular converter, communication module and a CPLD respectively, and the first branch road state detection module, a CPLD are electrically connected with the alarm output module successively.
Further; Above-mentioned DC distribution Intelligent Measurement unit also comprises the second branch road power supply V2, second branch road Hall current sensor and the expansion board; Said second branch road power supply V2 and operational amplifier are electrically connected; The second branch road Hall current sensor and A/D modular converter are electrically connected, and expansion board and master control borad are electrically connected; Wherein:
Said expansion board comprise the 2nd CPLD, with have the second branch road state detection module of the 49th to the 96 road distribution branch road state acquisition end, the second branch road state detection module, the 2nd CPLD and single-chip microcomputer are electrically connected successively.
Further, said alarm output interface comprises the first branch road alarm relay output interface and the second branch road alarm relay output interface.
Further, said master control borad also comprises toggle switch, and said toggle switch and communication module are electrically connected.
Further, said communication interface comprises RS232 communication interface or RS485 communication interface or RS422 communication interface.
Further, said human-computer interaction module comprises and showing and the keyboard submodule, and be equipped with at key in the turnover key below said demonstration and the keyboard submodule, selections, select under key, and cut bell button be set.
Further, said demonstration and keyboard submodule comprise each branch road positional information display module of matrix form.
Further, said demonstration and keyboard submodule comprise that LCD drives display module.
The DC distribution Intelligent Measurement unit of each embodiment of the utility model; A single-chip microcomputer and a CPLD be as the core parts of master control borad, can realize to direct current supply power with double circuit electric current and voltage monitoring, the LCD of distribution system drive show, the button input handles and the functions such as monitoring of 48 road distribution branch roads (promptly the 1 road to the 48 tunnel) state; The 2nd CPLD is as the core parts of expansion board, can realize the monitoring function to other 48 road distribution branch roads (promptly the 49 road to the 96 tunnel) state.
Wherein, During to distribution branch road status monitoring, the feedback information that can provide through master control borad and expansion board inside is measured power supply; To realize three kinds of status monitorings to the distribution branch road, i.e. fuse normal operating condition, fuse blows state (alarm) and the identification that do not connect load condition; To realize that the distribution branch road is not connecing under the loading condition, even fuse is an off state, the direct current distribution system that supplies power with double circuit does not produce alerting signal yet, avoids false alarm.
It is thus clear that above-mentioned DC distribution Intelligent Measurement unit is mainly used in the monitoring running state of telecommunications industry direct supply controller switching equipment, accomplishes electrical quantity and distribution branch road status detection and warning function, makes things convenient for operation maintenance management; Can realize the voltage of two-way (i.e. first branch road and second branch road) power supply distribution system, the monitoring and the under-voltage and overvoltage alarm function of electric current: to 96 road distribution branch roads (promptly the the 1st to the 48 tunnel and the 49th to the 96 tunnel) status monitoring; Distribution is propped up line state three kinds of state indications can be provided; Be that distribution branch road fuse normal operating conditions, fuse blows state (branch road alarm), load do not connect state, and adopt matrix-style to show each branch road positional information; Thereby can overcome the high defective with poor reliability of complex structure in the prior art, cost, simple with implementation structure, integrated level is high, cost is low and the high advantage of reliability.
Further feature of the utility model and advantage will be set forth in instructions subsequently, and, partly from instructions, become obvious, perhaps understand through implementing the utility model.The purpose of the utility model can realize through the structure that in the instructions of being write, claims and accompanying drawing, is particularly pointed out and obtain with other advantages.
Through accompanying drawing and embodiment, the technical scheme of the utility model is done further detailed description below.
Description of drawings
Accompanying drawing is used to provide the further understanding to the utility model, and constitutes the part of instructions, is used to explain the utility model with the embodiment of the utility model, does not constitute the restriction to the utility model.In the accompanying drawings:
Fig. 1 is the principle of work synoptic diagram according to the utility model DC distribution Intelligent Measurement unit.
In conjunction with accompanying drawing, Reference numeral is following among the utility model embodiment:
The 1-human-computer interaction module; 11-shows and the keyboard submodule; The 2-master control borad; 21-alarms output module; 22-the one CPLD; The 23-single-chip microcomputer; The 24-communication module; The 25-A/D modular converter; The 26-operational amplifier; The 27-first branch road state detection module; The 3-second branch road Hall current sensor; The 4-first branch road Hall current sensor; The 5-expansion board; 51-the 2nd CPLD; The 52-second branch road state detection module.
Embodiment
Describe below in conjunction with the preferred embodiment of accompanying drawing, should be appreciated that preferred embodiment described herein only is used for explanation and explains the utility model, and be not used in qualification the utility model the utility model.
According to the utility model embodiment, a kind of DC distribution Intelligent Measurement unit is provided.As shown in Figure 1, present embodiment comprises master control borad 2, and the first branch road power supply V1, the first branch road Hall current sensor 4 and the human-computer interaction module 1 that are electrically connected with said master control borad 2 respectively.
Here, above-mentioned human-computer interaction module 1 comprises and showing and keyboard submodule 11, and be equipped with at key in the turnover key below said demonstration and the keyboard submodule 11, selections, select under key, and cut bell button be set; Demonstration and keyboard submodule 11 comprise each branch road positional information display module of matrix form, and demonstration and keyboard submodule 11 can also comprise that LCD drives display module.
Wherein, Above-mentioned master control borad 2 comprises single-chip microcomputer 23, first CPLD (Complex Programmable Logic Device is called for short CPLD), have communication module 24, A/D modular converter 25, the operational amplifier 26 of a plurality of communication interfaces, have the alarm output interface alarm output module 21, with the first branch road state detection module 27 with the 1st to the 48 road distribution branch road state acquisition end; The said first branch road power supply V1, operational amplifier 26 are electrically connected with A/D modular converter 25 successively; The first branch road Hall current sensor 4 is electrically connected with A/D modular converter 25; Single-chip microcomputer 23 is electrically connected with A/D modular converter 25, communication module 24 and a CPLD 22 respectively, and the first branch road state detection module 27, a CPLD 22 are electrically connected with alarm output module 21 successively.It is thus clear that master control borad 2 main CPLD of employing and single-chip microcomputer 23 are realized DC parameter and DC distribution branch road status monitoring, single-chip microcomputer 23 peripheral interface number of chips are few, reliable, stable, cost is low.
Here, above-mentioned master control borad also comprises toggle switch, and toggle switch and communication module 24 are electrically connected; Communication module 24 comprises RS232 interface or RS485 interface or RS422 interface, and three kinds of communication interfaces can be selected through the toggle switch on the master control borad 2; The alarm output interface comprises the first branch road alarm relay output interface and the second branch road alarm relay output interface; So that alarm signal gather output; Each warning information has anti-white Presentation Function, does not shield mutually when multinomial alarm is arranged simultaneously, after alarming processing, eliminates the function of alarm automatically.
Further; Above-mentioned DC distribution Intelligent Measurement unit; Can also comprise the second branch road power supply V2, the second branch road Hall current sensor 3 and expansion board 5; Said second branch road power supply V2 and operational amplifier 26 are electrically connected, and the second branch road Hall current sensor 3 is electrically connected with A/D modular converter 25, and expansion board 5 is electrically connected with master control borad 2.
Wherein, above-mentioned expansion board 5 comprises the 2nd CPLD 51, is electrically connected successively with single-chip microcomputer 23 with the second branch road state detection module, 52, the second branch road state detection modules 52, the 2nd CPLD 51 with the 49th to the 96 road distribution branch road state acquisition end.
In the above-described embodiments; Master control borad 2 can provide 48 road distribution to prop up the monitoring function of line state; Satisfy the distribution branch road status monitoring quantity demand of most communications with DC distribution equipment, can maximum monitoring function of monitoring 96 road distribution branch roads through expansion board 5; Can realize the voltage to the distribution system that supplies power with double circuit, the monitoring and the under-voltage and overvoltage alarm function of electric current; Outside 96 road distribution branch road status monitoring functions; Distribution is propped up line state three kinds of state indications can be provided; Be that distribution branch road fuse normal operating conditions, fuse blows state (branch road alarm), load do not connect state, and adopt matrix-style to show each branch road positional information.
It is thus clear that, the DC distribution Intelligent Measurement unit of the foregoing description, adopting CPLD and single-chip microcomputer 23 be core devices, can realize the monitoring to state, the use number of elements is few, the integrated level height, has reduced system cost, has increased the reliability of system; The feedback that provides through inside is measured power supply and is realized three kinds of status monitorings to branch feeding, promptly normal operating condition, fuse off state, do not connect the identification of load condition, be user-friendly to; And; Need only the monitoring function that a master control borad 2 just can satisfy power supply state for most DC power distribution cabinets, help reducing module number, be convenient to Installation and Debugging; Reduce the mistake that causes because of signal transmission between the module simultaneously, increase the reliability and stability of DC power distribution cabinet electric power system.
What should explain at last is: the above is merely the preferred embodiment of the utility model; Be not limited to the utility model; Although the utility model has been carried out detailed explanation with reference to previous embodiment; For a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (8)
1. a DC distribution Intelligent Measurement unit is characterized in that, comprises master control borad, and the first branch road power supply V1, first branch road Hall current sensor and the human-computer interaction module that are electrically connected with said master control borad respectively; Wherein:
Said master control borad comprises single-chip microcomputer, first complex programmable logic device (CPLD), the communication module with a plurality of communication interfaces, A/D modular converter, operational amplifier, have the alarm output interface the alarm output module, with the first branch road state detection module with the 1st to the 48 road distribution branch road state acquisition end;
The said first branch road power supply V1, operational amplifier and A/D modular converter are electrically connected successively; The first branch road Hall current sensor and A/D modular converter are electrically connected; Single-chip microcomputer is electrically connected with A/D modular converter, communication module and a CPLD respectively, and the first branch road state detection module, a CPLD are electrically connected with the alarm output module successively.
2. DC distribution Intelligent Measurement according to claim 1 unit; It is characterized in that; Also comprise the second branch road power supply V2, second branch road Hall current sensor and the expansion board; Said second branch road power supply V2 and operational amplifier are electrically connected, and the second branch road Hall current sensor and A/D modular converter are electrically connected, and expansion board and master control borad are electrically connected; Wherein:
Said expansion board comprise the 2nd CPLD, with have the second branch road state detection module of the 49th to the 96 road distribution branch road state acquisition end, the second branch road state detection module, the 2nd CPLD and single-chip microcomputer are electrically connected successively.
3. DC distribution Intelligent Measurement according to claim 1 unit is characterized in that, said alarm output interface comprises the first branch road alarm relay output interface and the second branch road alarm relay output interface.
4. DC distribution Intelligent Measurement according to claim 1 unit is characterized in that said master control borad also comprises toggle switch, and said toggle switch and communication module are electrically connected.
5. DC distribution Intelligent Measurement according to claim 4 unit is characterized in that, said communication interface comprises RS232 communication interface or RS485 communication interface or RS422 communication interface.
6. DC distribution Intelligent Measurement according to claim 1 unit; It is characterized in that; Said human-computer interaction module comprises and showing and the keyboard submodule, and be equipped with at key in the turnover key below said demonstration and the keyboard submodule, selections, select under key, and cut bell button be set.
7. DC distribution Intelligent Measurement according to claim 6 unit is characterized in that, said demonstration and keyboard submodule comprise each branch road positional information display module of matrix form.
8. according to claim 6 or 7 described DC distribution Intelligent Measurement unit, it is characterized in that said demonstration and keyboard submodule comprise that LCD drives display module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201640596U CN202102060U (en) | 2011-05-19 | 2011-05-19 | Direct current distribution intelligent detection unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201640596U CN202102060U (en) | 2011-05-19 | 2011-05-19 | Direct current distribution intelligent detection unit |
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|---|---|
| CN202102060U true CN202102060U (en) | 2012-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201640596U Expired - Fee Related CN202102060U (en) | 2011-05-19 | 2011-05-19 | Direct current distribution intelligent detection unit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102298103A (en) * | 2011-05-19 | 2011-12-28 | 兰州海红通信设备有限责任公司 | Direct-current power distribution intelligent detection unit |
| CN102624091A (en) * | 2012-03-30 | 2012-08-01 | 兰州海红通信设备有限责任公司 | Alternating current distribution multi-loop monitoring system |
| CN102879664A (en) * | 2012-06-26 | 2013-01-16 | 兰州海红技术股份有限公司 | Monitoring system for independent double-way AC (Alternate Current) power distribution equipment |
| CN104345237A (en) * | 2014-10-29 | 2015-02-11 | 兰州海红技术股份有限公司 | Direct-current power distribution load monitoring and metering system |
| CN104833833A (en) * | 2014-02-11 | 2015-08-12 | 华北电力大学 | Portable power grid voltage monitoring device based on MSP430 |
-
2011
- 2011-05-19 CN CN2011201640596U patent/CN202102060U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102298103A (en) * | 2011-05-19 | 2011-12-28 | 兰州海红通信设备有限责任公司 | Direct-current power distribution intelligent detection unit |
| CN102298103B (en) * | 2011-05-19 | 2013-04-17 | 兰州海红技术股份有限公司 | Direct-current power distribution intelligent detection unit |
| CN102624091A (en) * | 2012-03-30 | 2012-08-01 | 兰州海红通信设备有限责任公司 | Alternating current distribution multi-loop monitoring system |
| CN102879664A (en) * | 2012-06-26 | 2013-01-16 | 兰州海红技术股份有限公司 | Monitoring system for independent double-way AC (Alternate Current) power distribution equipment |
| CN104833833A (en) * | 2014-02-11 | 2015-08-12 | 华北电力大学 | Portable power grid voltage monitoring device based on MSP430 |
| CN104345237A (en) * | 2014-10-29 | 2015-02-11 | 兰州海红技术股份有限公司 | Direct-current power distribution load monitoring and metering system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: LANZHOU HAIHONG TECHNOLOGY CO., LTD. Free format text: FORMER NAME: LANZHOU HAIHONG COMMUNICATION EQUIPMENT CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 730000 Gansu Province Chengguan District of Lanzhou City Road No. 18 Yan Patentee after: Lanzhou Haihong Technology Co., Ltd. Address before: 730000, No. 268, South Beach, Chengguan District, Gansu, Lanzhou Patentee before: Lanzhou Haihong Communication Equipment Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20150519 |
|
| EXPY | Termination of patent right or utility model |