CN203589483U - Mining flameproof high-voltage metering cabinet - Google Patents
Mining flameproof high-voltage metering cabinet Download PDFInfo
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- CN203589483U CN203589483U CN201320671041.4U CN201320671041U CN203589483U CN 203589483 U CN203589483 U CN 203589483U CN 201320671041 U CN201320671041 U CN 201320671041U CN 203589483 U CN203589483 U CN 203589483U
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Abstract
The utility model discloses a mining flameproof high-voltage metering cabinet. The mining flameproof high-voltage metering cabinet comprises a flameproof cabinet body. A multifunctional electric power monitor is disposed in the flameproof cabinet body, a microprocessor and a digital signal processor are used in design to form the multifunctional electric power monitor, and a power supply input end of the multifunctional electric power monitor is connected with an output end of a transformer; input ends of the multifunctional electric power monitor are respectively connected with a voltage transformer disposed in the flameproof cabinet body, output ends of three current transformers and an output end of a panel keyboard disposed on the flameproof cabinet body; an output end of the multifunctional electric power monitor is connected with an input end of a display disposed on the flameproof cabinet body; and an input end of the transformer, an input end of the voltage transformer and input ends of the three current transformer are connected with a bus. The multifunctional electric power monitor, which is safe, reliable and convenient to use and network, is used to replace an electric power metering device in a conventional high-explosion switch, and the problem that precision of electric power metering is hard to guarantee in the prior art is thus solved.
Description
Technical field
The utility model relates to a kind of Application of Power Metering Instruments, relates in particular to a kind of for measuring the equipment of high voltage electric energy output.
Background technology
In recent years, China classifies the energy as important research object, clear and definite development strategic objective, the emphasis using the power supply reliability of electric power system, power supply quality and power supply economics as development within a period, sets up operational outfit electric network failure diagnosis and monitoring system.How colliery industry, as the conventional column energy industry of China, realizes the monitoring of operation of power networks quality, efficiency and monitoring, has become establishment colliery industry green, efficient, firm power system extremely urgent.
Instantly, the traditional high-explosive switch using under coal mine has the function of watt metering, but due to the high-explosive switch particularity of using under coal mine, the voltage transformer that it 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 not only will also will be protected protector power supply for control loop provides control power supply simultaneously, and therefore, this makes overall precision be difficult to reach the requirement of metering level; Down-hole high-explosive switch is used three-phase three-wire system power supply, and two current transformers of the many employings of high-explosive switch, even if be furnished with so separately three-phase electric degree gauge table, due to the voltage transformer connecting and current transformer, neither three-phase and four-line connection non-phase three-wire three connection again, be difficult to guarantee the precision of watt metering.
Utility model content
The purpose of this utility model is just to provide a kind of mining flame-proof type high voltage metering cabinet, to solve the problem that cannot guarantee watt metering precision in background technology.
For achieving the above object, the utility model is by the following technical solutions:
The utility model comprises explosion-proof cabinet, and the Kind of Multifunctional Power Meter that adopts microprocessor and Design of Digital Signal Processor to form is set in explosion-proof cabinet, and the power input of Kind of Multifunctional Power Meter is connected with the output of transformer; The input of Kind of Multifunctional Power Meter respectively be arranged on explosion-proof cabinet in the output of voltage transformer, three current transformers and the output that is arranged on the panel and keypad on explosion-proof cabinet be connected; The output of Kind of Multifunctional Power Meter is connected with the input that is arranged on the display on explosion-proof cabinet; The input of transformer, voltage transformer and three current transformers is connected with bus respectively.
The Kind of Multifunctional Power Meter that adopts microprocessor to form with Design of Digital Signal Processor also comprises the communication interface being 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 following advantage that the utlity model has of such scheme: the utility model adopt esy to use, safe and reliable, networking easily Kind of Multifunctional Power Meter replace the watt metering in traditional high-explosive switch, this has solved the problem that prior art is difficult to guarantee watt metering precision.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is front view of the present utility model.
Embodiment
As depicted in figs. 1 and 2, the utility model comprises explosion-proof cabinet 1, at the interior Kind of Multifunctional Power Meter 2 that adopts microprocessor and Design of Digital Signal Processor to form that arranges of explosion-proof cabinet 1, the power input of Kind of Multifunctional Power Meter 2 is connected with the output of transformer 3; The input of Kind of Multifunctional Power Meter 2 respectively be arranged on explosion-proof cabinet in the output of voltage transformer 4, three current transformers 5 and the output that is arranged on the panel and keypad 6 on explosion-proof cabinet 1 be connected; The output of Kind of Multifunctional Power Meter 2 is connected with the input that is arranged on the display 7 on explosion-proof cabinet 1; The input of transformer 3, voltage transformer 4 and three current transformers 5 is connected with bus respectively.
Kind of Multifunctional Power Meter 2 adopts the most modern microprocessor and Digital Signal Processing to design, can measuring voltage, the conventional parameters of electric power such as electric current, power, frequency, also there is the functions such as requirement measurement, harmonic analysis, maximum/minimum value statistics, off-limit alarm, electric energy accumulative total, digital I/O and network communication, large-screen, high definition liquid crystal display simultaneously.
Compare with other instrument, Kind of Multifunctional Power Meter 2 both can be used as instrument and had used separately, replaced a large amount of traditional analogue instruments, also can be used as the anterior member of electric power monitoring system (SCADA), in order to realize remote data acquisition and control.Becoming power distribution automation, Intelligent switchboard/switch cubicle, industrial automation, intelligent building, energy management system, Large UPS system for energy management, remote power control, 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 utility model: the Kind of Multifunctional Power Meter 2 that adopts microprocessor to form with Design of Digital Signal Processor also comprises the communication interface being connected with RTU, and 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 need to carry out the setting of relevant parameter time, can carry out parameter setting by RTU system, and not only can show by the display 7 on explosion-proof cabinet through the result of metering, can also inform relevant staff by the display of RTU system, can realize remote signalling, remote measurement and metering and be integrated.
Described panel and keypad 6 is mechanical keyboard, compares with other keyboard, and mechanical keyboard cost is low.
Described panel and keypad 6 is explosion-proof metal keyboard, compares with other keyboard, and 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: the Kind of Multifunctional Power Meter (2) that adopts microprocessor and Design of Digital Signal Processor to form is set in explosion-proof cabinet (1), and the power input of Kind of Multifunctional Power Meter (2) is connected with the output of transformer (3); The input of Kind of Multifunctional Power Meter (2) respectively be arranged on explosion-proof cabinet in the output of voltage transformer (4), three current transformers (5) and the output that is arranged on the panel and keypad (6) on explosion-proof cabinet (1) be connected; The output of Kind of Multifunctional Power Meter (2) is connected with the input that is arranged on the display (7) on explosion-proof cabinet (1); Transformer (3), voltage transformer (4) and the input of three current transformers (5) are connected with bus respectively.
2. mining flame-proof type high voltage metering cabinet according to claim 1, is characterized in that: the Kind of Multifunctional Power Meter (2) that adopts microprocessor to form with Design of Digital Signal Processor also comprises the communication interface being 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 |
|---|---|---|---|
| CN201320671041.4U CN203589483U (en) | 2013-10-29 | 2013-10-29 | Mining flameproof high-voltage metering cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320671041.4U CN203589483U (en) | 2013-10-29 | 2013-10-29 | Mining flameproof high-voltage metering cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203589483U true CN203589483U (en) | 2014-05-07 |
Family
ID=50587336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320671041.4U Expired - Fee Related CN203589483U (en) | 2013-10-29 | 2013-10-29 | Mining flameproof high-voltage metering cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203589483U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577741A (en) * | 2013-10-29 | 2015-04-29 | 河南省济源市矿用电器有限责任公司 | Mining explosive-proof high-voltage measuring cabinet |
| CN109120066A (en) * | 2018-08-24 | 2019-01-01 | 淮北矿业股份有限公司 | A kind of coal mine electric power monitoring system transmission device |
-
2013
- 2013-10-29 CN CN201320671041.4U patent/CN203589483U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577741A (en) * | 2013-10-29 | 2015-04-29 | 河南省济源市矿用电器有限责任公司 | Mining explosive-proof high-voltage measuring cabinet |
| CN109120066A (en) * | 2018-08-24 | 2019-01-01 | 淮北矿业股份有限公司 | A kind of coal mine electric power monitoring system transmission device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20151029 |
|
| EXPY | Termination of patent right or utility model |