CN104577741A - Mining explosive-proof high-voltage measuring cabinet - Google Patents
Mining explosive-proof high-voltage measuring cabinet Download PDFInfo
- Publication number
- CN104577741A CN104577741A CN201310518897.2A CN201310518897A CN104577741A CN 104577741 A CN104577741 A CN 104577741A CN 201310518897 A CN201310518897 A CN 201310518897A CN 104577741 A CN104577741 A CN 104577741A
- Authority
- CN
- China
- Prior art keywords
- proof
- explosive
- multifunctional power
- explosion
- transformer
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a mining explosive-proof high-voltage measuring cabinet. The mining explosive-proof high-voltage measuring cabinet comprises an explosive-proof cabinet body, wherein a multifunctional power monitor comprising a microprocessor and digital signal processor is arranged in the explosive-proof cabinet body; the power input terminal of the multifunctional power monitor is connected with the output terminal of a transformer; the input terminal of the multifunctional power monitor is respectively connected with the output terminals of a voltage transformer and three current transformers arranged in the explosive-proof cabinet body and the output terminal of a panel keyboard arranged on the explosive-proof cabinet body; the output terminal of the multifunctional power monitor is connected with the input terminal of a display arranged on the explosive-proof cabinet body; the input terminals of the transformer, the voltage transformer and the three current transformers are respectively connected with a bus. The mining explosive-proof high-voltage measuring cabinet adopts the multifunctional power monitor which is convenient to use, safe and reliable, and convenient for networking to replace electricity metering in the traditional high-explosive switch, thereby solving the problem that the prior art can hardly guarantee the electricity metering accuracy.
Description
Technical field
The present invention relates to a kind of Application of Power Metering Instruments, particularly relating to a kind of for measuring the equipment that high voltage electric energy exports.
Background technology
In recent years, the energy is classified as important research object by China, specify that development strategic objective, using the power supply reliability of electric system, power supply quality and the power supply economics emphasis as development within a period, set up operational outfit electric network failure diagnosis and monitoring system.How coal industry, as the conventional column energy industry of China, realizes the monitoring and measurement to operation of power networks quality, efficiency, has become establishment coal industry that is green, efficient, firm power system extremely urgent.
Instantly, traditional high-explosive switch that underground coal mine uses has the function of watt metering, but the high-explosive switch singularity used due to underground coal mine, and the voltage transformer (VT) that its uses is three-phase five-limb, its primary side is star-like, and secondary side is star-like and one group of open delta type.Voltage transformer (VT) not only will provide control power supply for control loop, also will protect protector power supply simultaneously, and therefore, this makes overall precision be difficult to reach the requirement of metering level; Down-hole high-explosive switch uses three-phase three-wire system to power, and the many employings of high-explosive switch two current transformers, even if be furnished with so separately three-phase electric degree gauging table, because the voltage transformer (VT) that connects and current transformer are neither three-phase and four-line connection non-phase three-wire three connection again, be difficult to the precision ensureing watt metering.
Summary of the invention
Object of the present invention is just to provide a kind of mining flame-proof type high voltage metering cabinet, to solve the problem that cannot ensure watt metering precision in background technology.
For achieving the above object, the present invention is by the following technical solutions:
The present invention includes explosion-proof cabinet, in explosion-proof cabinet, arrange the Kind of Multifunctional Power Meter adopting microprocessor and Design of Digital Signal Processor, the power input of Kind of Multifunctional Power Meter is connected with the output terminal of transformer; The input end of Kind of Multifunctional Power Meter is connected with the output terminal of the voltage transformer (VT) be arranged in explosion-proof cabinet, three current transformers and the output terminal of panel and keypad that is arranged on explosion-proof cabinet respectively; The output terminal of Kind of Multifunctional Power Meter is connected with the input end of the display be arranged on explosion-proof cabinet; Transformer, voltage transformer (VT) are connected with bus respectively with the input end of three current transformers.
Microprocessor is adopted also to comprise with the Kind of Multifunctional Power Meter of Design of Digital Signal Processor the communication interface be connected with RTU.
Described communication interface is RS-485 communication interface.
Described panel and keypad is mechanical keyboard.
Described panel and keypad is explosion-proof metal keyboard.
Compared with prior art, adopt the present invention of such scheme to have the following advantages: the present invention adopt esy to use, safe and reliable, networking easily Kind of Multifunctional Power Meter replace the watt metering in traditional high-explosive switch, which solve the problem that prior art is difficult to ensure watt metering precision.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is front view of the present invention.
Embodiment
As depicted in figs. 1 and 2, the present invention includes explosion-proof cabinet 1, in explosion-proof cabinet 1, arrange the Kind of Multifunctional Power Meter 2 adopting microprocessor and Design of Digital Signal Processor, the power input of Kind of Multifunctional Power Meter 2 is connected with the output terminal of transformer 3; The input end of Kind of Multifunctional Power Meter 2 is connected with the output terminal of voltage transformer (VT) 4, three current transformers 5 be arranged in explosion-proof cabinet and the output terminal of panel and keypad 6 that is arranged on explosion-proof cabinet 1 respectively; The output terminal of Kind of Multifunctional Power Meter 2 is connected with the input end of the display 7 be arranged on explosion-proof cabinet 1; Transformer 3, voltage transformer (VT) 4 are connected with bus respectively with the input end of three current transformers 5.
Kind of Multifunctional Power Meter 2 adopts the most modern microprocessor and Digital Signal Processing to design, can the conventional parameters of electric power such as measuring voltage, electric current, power, frequency, also have that requirement measurement, frequency analysis, maximum/minimum value statistics, off-limit alarm, electric energy are accumulative simultaneously, the function such as digital I/O and network communication, giant-screen, high-resolution liquid crystal display.
Compared with other instrument, Kind of Multifunctional Power Meter 2 both can be used as instrument and had been used alone, and replaced analogue instrument traditional in a large number, also can be used as the anterior member of electric power monitoring system (SCADA), in order to realize remote data acquisition and control.At change power distribution automation, Intelligent switchboard/switch cubicle, industrial automation, intelligent building, energy management system, Large UPS system is used for energy management, remote power controls, power quality analysis.In addition, Kind of Multifunctional Power Meter is multiple functional, easy to learn, is the ideal chose of Power SCADA system.
As improvement of the present invention: adopt microprocessor also to comprise with the Kind of Multifunctional Power Meter 2 of Design of Digital Signal Processor the communication interface be connected with RTU, communication interface is RS-485 communication interface.Kind of Multifunctional Power Meter 2 is connected with RTU system by RS-485 communication interface, like this, when staff is not in down-hole, but when needing the setting carrying out correlation parameter, optimum configurations can be carried out by RTU system, and not only can be shown by the display 7 on explosion-proof cabinet through the result of metering, relevant staff can also be informed by the display of RTU system, remote signalling, remote measurement and metering can be realized and be integrated.
Described panel and keypad 6 is mechanical keyboard, and compared with other keyboard, mechanical keyboard cost is low.
Described panel and keypad 6 is explosion-proof metal keyboard, and compared with other keyboard, explosion-proof metal keyboard can not only complete basic setting parameter work, also has explosion-proof, can reduce the generation of explosion-proof accident.
Claims (5)
1. a mining flame-proof type high voltage metering cabinet, it comprises explosion-proof cabinet (1), it is characterized in that: in explosion-proof cabinet (1), arrange the Kind of Multifunctional Power Meter (2) adopting microprocessor and Design of Digital Signal Processor, the power input of Kind of Multifunctional Power Meter (2) is connected with the output terminal of transformer (3); The input end of Kind of Multifunctional Power Meter (2) is connected with the output terminal of the voltage transformer (VT) be arranged in explosion-proof cabinet (4), three current transformers (5) and the output terminal of panel and keypad (6) that is arranged on explosion-proof cabinet (1) respectively; The output terminal of Kind of Multifunctional Power Meter (2) is connected with the input end of the display (7) be arranged on explosion-proof cabinet (1); Transformer (3), voltage transformer (VT) (4) are connected with bus respectively with the input end of three current transformers (5).
2. mining flame-proof type high voltage metering cabinet according to claim 1, is characterized in that: adopt microprocessor also to comprise with the Kind of Multifunctional Power Meter (2) of Design of Digital Signal Processor the communication interface be connected with RTU.
3. mining flame-proof type high voltage metering cabinet according to claim 2, is characterized in that: described communication interface is RS-485 communication interface.
4. mining flame-proof type high voltage metering cabinet according to claim 1, is characterized in that: described panel and keypad (6) is mechanical keyboard.
5. mining flame-proof type high voltage metering cabinet according to claim 1, is characterized in that: described panel and keypad (6) is explosion-proof metal keyboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310518897.2A CN104577741A (en) | 2013-10-29 | 2013-10-29 | Mining explosive-proof high-voltage measuring cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310518897.2A CN104577741A (en) | 2013-10-29 | 2013-10-29 | Mining explosive-proof high-voltage measuring cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104577741A true CN104577741A (en) | 2015-04-29 |
Family
ID=53093225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310518897.2A Pending CN104577741A (en) | 2013-10-29 | 2013-10-29 | Mining explosive-proof high-voltage measuring cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104577741A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289821A (en) * | 2020-02-28 | 2020-06-16 | 兖州东方机电有限公司 | Coal mine underground power supply system electric energy quality monitoring device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050041791A (en) * | 2003-10-31 | 2005-05-04 | 한국전력공사 | Meter added analysis function of voltage, current harmonics and instantaneous voltage sag and swell |
| CN201035061Y (en) * | 2007-05-28 | 2008-03-12 | 山东力创科技有限公司 | Width limiting high-pressure pour-in maintenance-free remote metering terminal |
| CN201852863U (en) * | 2010-09-01 | 2011-06-01 | 山东开创电气有限公司 | Mining flameproof multi-channel electrical parameter metering display box |
| CN202260136U (en) * | 2011-10-19 | 2012-05-30 | 浙江昌泰电力开关有限公司 | Outdoor metering tank |
| CN203589483U (en) * | 2013-10-29 | 2014-05-07 | 河南省济源市矿用电器有限责任公司 | Mining flameproof high-voltage metering cabinet |
-
2013
- 2013-10-29 CN CN201310518897.2A patent/CN104577741A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050041791A (en) * | 2003-10-31 | 2005-05-04 | 한국전력공사 | Meter added analysis function of voltage, current harmonics and instantaneous voltage sag and swell |
| CN201035061Y (en) * | 2007-05-28 | 2008-03-12 | 山东力创科技有限公司 | Width limiting high-pressure pour-in maintenance-free remote metering terminal |
| CN201852863U (en) * | 2010-09-01 | 2011-06-01 | 山东开创电气有限公司 | Mining flameproof multi-channel electrical parameter metering display box |
| CN202260136U (en) * | 2011-10-19 | 2012-05-30 | 浙江昌泰电力开关有限公司 | Outdoor metering tank |
| CN203589483U (en) * | 2013-10-29 | 2014-05-07 | 河南省济源市矿用电器有限责任公司 | Mining flameproof high-voltage metering cabinet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289821A (en) * | 2020-02-28 | 2020-06-16 | 兖州东方机电有限公司 | Coal mine underground power supply system electric energy quality monitoring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204179554U (en) | A kind of precision intelligence power distribution cabinet and distribution drawer thereof | |
| CN202351348U (en) | Intelligent monitoring instrument of transformer | |
| CN204719085U (en) | A kind of electric energy quality test device being applicable to underground coal mine low voltage electric network | |
| CN203589483U (en) | Mining flameproof high-voltage metering cabinet | |
| CN203422401U (en) | Intelligent electric meter box | |
| CN104577741A (en) | Mining explosive-proof high-voltage measuring cabinet | |
| CN202443119U (en) | Digital electric-energy meter calibrator with digital electronic mutual-inductor output end | |
| CN104316114A (en) | Intensive type touch screen intelligent power meter | |
| CN205070606U (en) | Novel DTU and distribution network automation system for distribution network automation | |
| CN201682274U (en) | Intelligent explosion-proof switch integrated protector | |
| CN204633477U (en) | A kind of precision intelligence alternating current-direct current distributing monitoring system | |
| CN204302385U (en) | A kind of measurement mechanism of apparatus insulated performance | |
| CN203069751U (en) | Circuit breaker state monitoring device | |
| CN203798903U (en) | Intelligent electric energy meter | |
| CN202815495U (en) | Multifunctional marine protection measurement and control device | |
| CN205051340U (en) | Take intelligent circuit breaker of wireless data communication interface | |
| CN204165591U (en) | Intensive touch-screen intelligent electric instrument | |
| CN204154809U (en) | A kind of three-phase multifunctional electric instrument of guide tracked installation | |
| CN203811736U (en) | Lightning arrester monitor with 4-20 mA output interface | |
| CN203180321U (en) | Low voltage intelligent switch cabinet | |
| CN104200635A (en) | Wireless switch with function of electrical quantity metering and acquisition method | |
| CN203870159U (en) | Digital three-phase voltmeter measuring line voltage and phase voltage simultaneously | |
| CN204882687U (en) | Split type intelligent electric power instrument of remote measurement , control is realized through computer | |
| CN203798904U (en) | Isolated single-phase energy consumption measurement and control circuit | |
| CN102944837A (en) | Device for monitoring breaker state |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150429 |