CN203827354U - Optical interface power supply control device for intelligent substation test equipment - Google Patents
Optical interface power supply control device for intelligent substation test equipment Download PDFInfo
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- CN203827354U CN203827354U CN201420210887.2U CN201420210887U CN203827354U CN 203827354 U CN203827354 U CN 203827354U CN 201420210887 U CN201420210887 U CN 201420210887U CN 203827354 U CN203827354 U CN 203827354U
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Abstract
The utility model relates to an optical interface power supply control device for intelligent substation test equipment. The optical interface power supply control device comprises an optical interface module, a power supply module, an MOS tube and an external CPU. The optical interface module monitors the presence or absence of an optical signal with a specific wavelength, receives data of optical signal with the specific wavelength, then converts the data into electrical signal data, and converts a local electric signal into an output of the optical signal with the specific wavelength. The power supply module provides stable and reliable power supply for normal operation of the optical interface module. The external CPU control the MOS tube to connect or disconnect the power supplies of a transmitting unit and a receiving unit power supply of the optical interface module. According to the utility model, as for test equipment having a plurality of interfaces, especially for battery-powered testing equipment having a plurality of interfaces, the optical interface power supply control device for the intelligent substation test equipment is capable of significantly reducing the power consumption and quantity of heat of the equipment, extending the operation time of the equipment and reducing the cost for heat treatment of the equipment, and is especially suitable for optical interface power supply control of the intelligent substation handheld test equipment.
Description
Technical field
The utility model relates to electronic technology field, is specifically related to a kind of intelligent substation testing equipment optical interface power supply control apparatus and method.
Background technology
Intelligent substation is the development trend of intelligent grid transformer station, and primary equipment voltage in intelligent substation, electric current are converted into the point-to-point or networking of light numeral SV sampled value signal and are transferred to the IED equipment such as relaying protection, observing and controlling, metering, electric energy quality monitoring through unified change of merge cells by electric mutual inductor or traditional instrument transformer; On-the-spot switch position signal, trip protection/switching signal, control signal are all transformed into light numeral GOOSE signal and realize point-to-point or Internet Transmission; Light IRIG-B/PPS or IEEE1588 network to time signal in intelligent substation, replaced the electric IRIG-B (AC or DC code) of traditional transformer station.The testing equipment of tradition based on analog signal input and output lost ample scope for abilities at intelligent substation, the testing equipment that adapts to intelligent substation development is used optical fiber interface in a large number, reception and transmission by light numeral SV, GOOSE signal, complete the test of various IED equipment corresponding functions.
The optical fiber interface of intelligent substation mainly contains two kinds, optical Ethernet interface and light serial ports, optical Ethernet interface be used for transmitting IEC61850-9-2 form SV sampled value signal, IEEE1588 to time signal; Light serial ports be used for transmitting IEC60044-8 (FT3) form SV sampled value signal, light IRIG-B/PPS to time signal.As shown in Figure 1, the output interface of power module is directly connected with the power input interface of optical interface module the conventional supply power mode of above-mentioned optical fiber interface, and optical interface module transmitting element, receiving element power supply do not separate.This supply power mode, does not connect equipment under test in optical interface module, though or connect equipment under test,, when data transmission and accepting state, optical interface module all can consumed energy.Due to the inherent characteristic of optical interface module, optical interface module dissipation occupies testing equipment considerable part power consumption, causes testing equipment caloric value large, need to take cooling measure, is in time inner various device lifetimes in various degree and declines, and is also unfavorable for that the energy is energy-conservation.The most of testing equipment of intelligent substation is without the large voltage of simulation, High-current output, secondary device networking makes the testing equipment can integrated more test functions, and there is the development trend of intellectuality, miniaturization, portability, particularly handheld test equipment, adopts lithium battery power supply, operates easy to carry, can realize mobile maintenance and debugging, do not rely on field power supply, adaptable, be subject to numerous users and welcome.For this type of, adopt battery powered testing equipment, the unreasonable power consumption of optical interface causes battery power consumption too fast, causes testing equipment shortening normal working hours, brings great inconvenience to on-the-spot test and maintenance.
Summary of the invention
For solving above-mentioned technical problem, the utility model provides a kind of intelligent substation testing equipment optical interface power supply control apparatus, comprises optical interface module, power module and outer CPU; Wherein,
Described optical interface module comprises transmitting element and receiving element, the light signal of described receiving element monitoring specific wavelength has or not, and being converted to electrical signal data after receiving specific wavelength optical signal data, described transmitting element is converted to local telecommunication number the light signal output of specific wavelength;
Described power module comprises power supply interface and power management module, described power supply interface is connected with the output of externally fed power supply or battery output, the voltage transformation that described power management module is introduced power supply interface is to meet the supply power voltage that described optical interface module requires, for its normal work provides reliable and stable power supply;
Described power management module is that described transmitting element and described receiving element are powered by metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2 respectively; Wherein
The grid of metal-oxide-semiconductor Q1 is connected with an I/O port of described outer CPU by the first series resistance, and the source electrode of metal-oxide-semiconductor Q1 is connected with the voltage output end of described power management module, and the drain electrode of metal-oxide-semiconductor Q1 connects with the power supply port of described transmitting element and is connected;
The grid of metal-oxide-semiconductor Q2 is connected with the 2nd I/O port of described outer CPU by the second series resistance, and the source electrode of metal-oxide-semiconductor Q2 is connected with the voltage output end of described power management module, and the drain electrode of metal-oxide-semiconductor Q2 connects with the power supply port of described receiving element and is connected;
Described outer CPU is controlled respectively conducting or the shutoff of metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2 by controlling the output level of an I/O port and the 2nd I/O port, so be switched on or switched off described transmitting element, described receiving element and described power management module for being electrically connected to.
In technique scheme, the receiving element of described optical interface module also comprises the optical monitoring signal port whether existing for exporting specific wavelength light signal, when the receiving element of optical interface module is during in power supply state, if the external world has specific wavelength light signal to input described receiving element, described receiving element can monitor light signal, and provide high level indication at optical monitoring signal port, otherwise provide low level indication at optical monitoring signal port.
In technique scheme, the I/O that an I/O port of described outer CPU and the 2nd I/O port are described outer CPU controls any a group in pin.
In technique scheme, an I/O port and the 2nd I/O port of described outer CPU are different port.
In technique scheme, described metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2 are P channel MOS tube.
The utility model has been obtained following technique effect:
(1) testing equipment caloric value can obviously reduce, and reduces radiating treatment cost, installs inner various device operational environment good, is conducive to the reliability service of device, is also conducive to energy-conserving and environment-protective.
(2) adopt battery powered testing equipment, handheld test equipment particularly, can well be in harmonious proportion the contradiction of optical interface quantity and operating time and apparent size, battery power consumption rate reduction, extend the full battery working time of testing equipment, bring great convenience to on-the-spot Installation and Debugging, trouble hunting, improved operating efficiency.
Accompanying drawing explanation
Fig. 1 is conventional optical interface supply power mode schematic diagram;
Fig. 2 is the optical interface power-supplying circuit structure chart in the utility model embodiment;
Fig. 3 is optical interface transmitting element power supply control flow chart in the utility model embodiment;
Fig. 4 is optical interface receiving element power supply control flow chart in the utility model embodiment;
Embodiment
For the ease of those of ordinary skills, understand and implement the utility model patent, below in conjunction with the drawings and the specific embodiments, the utility model being described in further detail.
In the utility model embodiment, power management module is to meet the supply power voltage that optical interface module requires by the voltage transformation of the output of externally fed power supply or battery output, for optical interface module provides stable working power.
Optical interface module comprises transmitting element and receiving element, the light signal of wherein said receiving element monitoring specific wavelength has or not, after receiving specific wavelength optical signal data, be converted to electrical signal data, described transmitting element is converted to local telecommunication number the light signal output of specific wavelength.
In the utility model embodiment, as shown in Figure 2, metal-oxide-semiconductor Q1 adopts P channel MOS tube.The grid of Q1 is received a CPUI/O port after by series resistance R1, the source electrode of Q1 be connected to power module+3.3V output voltage, the drain electrode of Q1 is connected to the power supply port of optical interface module transmitting element.When a CPUI/O port output high level, Q1 cut-off, the optical interface module transmitting element of can not giving of power module is powered, and optical interface module transmitting element is consumes power not.When a CPUI/O port output low level, Q1 conducting, power module is to the power supply of optical interface module transmitting element, and optical interface module transmitting element is normally worked.
In the utility model embodiment, metal-oxide-semiconductor Q2 adopts P channel MOS tube.The grid of Q2 is received the 2nd CPUI/O port after by series resistance R2, the source electrode of Q2 be connected to power module+3.3V output voltage, the drain electrode of Q2 is connected to the power supply port of optical interface module receiving element.When the 2nd CPUI/O port output high level, Q2 cut-off, the optical interface module transmitting element of can not giving of power module is powered, and optical interface module receiving element is consumes power not.When the 2nd CPUI/O port output low level, Q2 conducting, power module is to the power supply of optical interface module receiving element, and optical interface module receiving element is normally worked.
The first and second CPUI/O ports are that CPUIO controls any a group in pin, and the first and second CPUI/O ports are that different CPUIO controls pin.
In the utility model embodiment, when optical interface module receiving element is during in power supply state, if there is light signal access optical interface module receiving port in the external world, optical interface module can monitor light signal, and provides high level indication at optical monitoring signal port.Otherwise, can provide low level indication at optical monitoring signal port.
In the utility model embodiment, data transmission procedure as shown in Figure 3, when testing equipment is in test process, when CPU need to send test data or maintain the null value data of link, the grid that CPU controls its I/O port driver Q1 is low level, now Q1 conducting, and the transmitting element of optical interface module is powered, transmitting element is normally worked, and the light signal that data change into specific wavelength by optical interface module sends.If data have sent, continuing to drive the grid of Q1 is low level; If data are sent completely, the grid that drives Q1 is high level, and the transmitting element of optical interface module is not powered, and waits for and sends data next time.So, as long as CPU does not need to send data, the transmitting element of optical interface module can consumes power.
In the utility model embodiment, as shown in Figure 4, the grid of its I/O port driver of CPU control per second Q2 is low level and keeps 100 milliseconds DRP data reception process, now, Q2 conducting, the receiving element of optical interface module is powered, and receiving element is normally worked.Then whether CPUI/O Port detecting optical monitoring signal port is high level, if high level indicates light signal input, continuing to keep the grid of Q2 is low level, optical interface module receiving element continues to be powered, and optical interface module can receive external optical signals data until optical monitoring signal port becomes low level; If optical monitoring signal port is low level, waits for next second and repeat above action.So, as long as there is not light signal input, the receiving element consumes power of optical interface module can greatly reduce.
Above embodiment is only a kind of execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.
Claims (5)
1. an intelligent substation testing equipment optical interface power supply control apparatus, is characterized in that: comprise optical interface module, power module and outer CPU; Wherein,
Described optical interface module comprises transmitting element and receiving element, the light signal of described receiving element monitoring specific wavelength has or not, and being converted to electrical signal data after receiving specific wavelength optical signal data, described transmitting element is converted to local telecommunication number the light signal output of specific wavelength;
Described power module comprises power supply interface and power management module, described power supply interface is connected with the output of externally fed power supply or battery output, the voltage transformation that described power management module is introduced power supply interface is to meet the supply power voltage that described optical interface module requires, for its normal work provides reliable and stable power supply;
Described power management module is that described transmitting element and described receiving element are powered by metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2 respectively; Wherein
The grid of metal-oxide-semiconductor Q1 is connected with an I/O port of described outer CPU by the first series resistance, and the source electrode of metal-oxide-semiconductor Q1 is connected with the voltage output end of described power management module, and the drain electrode of metal-oxide-semiconductor Q1 connects with the power supply port of described transmitting element and is connected;
The grid of metal-oxide-semiconductor Q2 is connected with the 2nd I/O port of described outer CPU by the second series resistance, and the source electrode of metal-oxide-semiconductor Q2 is connected with the voltage output end of described power management module, and the drain electrode of metal-oxide-semiconductor Q2 connects with the power supply port of described receiving element and is connected;
Described outer CPU is controlled respectively conducting or the shutoff of metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2 by controlling the output level of an I/O port and the 2nd I/O port, so be switched on or switched off described transmitting element, described receiving element and described power management module for being electrically connected to.
2. a kind of intelligent substation testing equipment optical interface power supply control apparatus according to claim 1, is characterized in that: the receiving element of described optical interface module also comprises the optical monitoring signal port whether existing for exporting specific wavelength light signal.
3. a kind of intelligent substation testing equipment optical interface power supply control apparatus according to claim 1 and 2, is characterized in that: the I/O that an I/O port of described outer CPU and the 2nd I/O port are described outer CPU controls any a group in pin.
4. a kind of intelligent substation testing equipment optical interface power supply control apparatus according to claim 3, is characterized in that: an I/O port and the 2nd I/O port of described outer CPU are different port.
5. a kind of intelligent substation testing equipment optical interface power supply control apparatus according to claim 4, is characterized in that: described metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2 are P channel MOS tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201420210887.2U CN203827354U (en) | 2014-04-28 | 2014-04-28 | Optical interface power supply control device for intelligent substation test equipment |
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| CN201420210887.2U CN203827354U (en) | 2014-04-28 | 2014-04-28 | Optical interface power supply control device for intelligent substation test equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024759A (en) * | 2014-04-28 | 2015-11-04 | 武汉凯默电气有限公司 | Optical interface power supply control device and method for intelligent substation test equipment |
| CN106452600A (en) * | 2016-10-18 | 2017-02-22 | 杭州华三通信技术有限公司 | Optical interface energy-saving method and device |
| CN109474342A (en) * | 2018-10-16 | 2019-03-15 | 深圳市宇泰科技有限公司 | A kind of power-saving control circuit and electricity-saving control method for optical fiber receiver-transmitter module |
-
2014
- 2014-04-28 CN CN201420210887.2U patent/CN203827354U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024759A (en) * | 2014-04-28 | 2015-11-04 | 武汉凯默电气有限公司 | Optical interface power supply control device and method for intelligent substation test equipment |
| CN106452600A (en) * | 2016-10-18 | 2017-02-22 | 杭州华三通信技术有限公司 | Optical interface energy-saving method and device |
| CN106452600B (en) * | 2016-10-18 | 2019-09-06 | 新华三技术有限公司 | A kind of optical interface power-economizing method and device |
| CN109474342A (en) * | 2018-10-16 | 2019-03-15 | 深圳市宇泰科技有限公司 | A kind of power-saving control circuit and electricity-saving control method for optical fiber receiver-transmitter module |
| CN109474342B (en) * | 2018-10-16 | 2021-08-27 | 深圳市宇泰科技有限公司 | Power-saving control circuit and power-saving control method for optical fiber transceiver module |
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