CN204269781U - A kind of LED street lamp test macro - Google Patents
A kind of LED street lamp test macro Download PDFInfo
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- CN204269781U CN204269781U CN201420739648.6U CN201420739648U CN204269781U CN 204269781 U CN204269781 U CN 204269781U CN 201420739648 U CN201420739648 U CN 201420739648U CN 204269781 U CN204269781 U CN 204269781U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model provides a kind of LED street lamp test macro, the quantity of the quantity of system middle controller and Blast Furnace Top Gas Recovery Turbine Unit (TRT) and LED light source is suitable, each Blast Furnace Top Gas Recovery Turbine Unit (TRT) is equipped with a controller, and the monitoring work of the Blast Furnace Top Gas Recovery Turbine Unit (TRT) corresponding with it is only responsible for by the controller suitable with Blast Furnace Top Gas Recovery Turbine Unit (TRT).This measuring precision is high, and without the need to artificial participation, just comprehensively can monitor aerogenerator, solar panels, LED light source and controller for road lamp.
Description
Technical field
The utility model relates to a kind of street lamp test macro.
Background technology
Street lamp is the important component part of road public illumination, and LED street lamp has the features such as little power consumption, light efficiency is high, the life-span is long because of it, is of great significance the energy-conservation tool of road public illumination.LED street lamp is mainly used in outdoor environment, stands open air significantly temperature variation all the year round, wind and weather, the rugged surroundings that Thunder rumbled and lightning flashed, so the quality of LED street lamp quality directly affects the life of people.The enterprise of domestic current production LED street lamp is too numerous to enumerate, but often occurs quality problems due to the reason of the aspect such as technical strength, cost control, and street lamp is once load onto, and repairs more difficult, needs a large amount of manpower and materials.LED street lamp has increasingly extensive application in the fields such as wind and light complementary road lamp, solar street light, solar energy garden lamp, new rural village street lamp, although all carried out technical indicator test and certification to the critical elements of the LED street lamp such as aerogenerator, solar panels, LED light source and controller for road lamp or parts in research and development, design, production run.But the applied environment of these tests and certification and reality still makes a big difference.In actual applications, whether LED street lamp has met design specifications and technical requirement completely, and actual operating mode how, and these problems are necessary that understanding and analysis are beneficial to improve very much.For this reason, the suitable testing scheme be provided in actual environment just seems and is extremely necessary.
Utility model content
For solving prior art Problems existing and defect, the utility model provides a kind of LED street lamp test macro, this the measuring precision is high, and without the need to artificial participation, just comprehensively can monitor aerogenerator, solar panels, LED light source and controller for road lamp.
The technical solution of the utility model is:
A kind of LED street lamp test macro, comprise Blast Furnace Top Gas Recovery Turbine Unit (TRT), some controllers, energy storage device, LED light source and local test centers, it is characterized in that, Blast Furnace Top Gas Recovery Turbine Unit (TRT) in the quantity of described controller and described LED street lamp test macro and the quantity of LED light source suitable, each Blast Furnace Top Gas Recovery Turbine Unit (TRT) is equipped with a controller, the monitoring work of the Blast Furnace Top Gas Recovery Turbine Unit (TRT) corresponding with it is only responsible for by the controller suitable with Blast Furnace Top Gas Recovery Turbine Unit (TRT), the electric energy of generation is converted to the receivable electrical energy form of described energy storage device through described controller by described Blast Furnace Top Gas Recovery Turbine Unit (TRT), is delivered in described energy storage device; Described energy storage device is used for providing electric energy for LED light source; Each LED light source is equipped with another controller, and the monitoring work of its corresponding LED light source is only responsible for by the controller suitable with LED light source; Described local test center comprises the acquisition control system for sending acquisition instructions to described controller, and the floor data of described controller timing or the Real-time Collection Blast Furnace Top Gas Recovery Turbine Unit (TRT) corresponding with it or LED light source, transfers to local test center; Described LED street lamp test macro also comprises communication facilities and remote testing center, the test data that described communication facilities sends for receiving described local test center, and test data is transferred to remote testing center; Described remote testing center comprises measuring-controlling and analyzing system, whole test datas of local test central transmission described in described remote testing receive centre, and arranges, and abandons the data that there is mistake, is stored in database by effective test data; Described measuring-controlling and analyzing system reads effective test data from described database, uses the observing and controlling algorithm pre-set in described measuring-controlling and analyzing system to analyze test data, automatically draws monitoring result; Described LED street lamp test macro also comprises weather station and several ammeters, and described weather station connects described local test center, and for measuring wind, wind direction, temperature, humidity and irradiance, described local test receive centre is from the test data of weather station;
Access an ammeter between the controller that every platform is connected with described Blast Furnace Top Gas Recovery Turbine Unit (TRT) and the Blast Furnace Top Gas Recovery Turbine Unit (TRT) corresponding to this controller, for measure described Blast Furnace Top Gas Recovery Turbine Unit (TRT) generating export DC voltage or alternating voltage, DC current or alternating current, power, electric energy; An ammeter is accessed, for measuring described energy storage device storage of electrical energy or exporting the DC voltage of electric energy, DC current, power and electric energy between the controller that every platform is connected with described energy storage device and the energy storage device corresponding to this controller; An ammeter is accessed, for measuring the DC voltage of described LED light source electricity consumption, DC current, power and electric energy between the controller that every platform is connected with described LED light source and the LED light source corresponding to this controller; Above-mentioned every platform controller is all connected with described local test center, and above-mentioned each ammeter is all connected with described local test center.
Described Blast Furnace Top Gas Recovery Turbine Unit (TRT) comprises aerogenerator and solar panels, and described energy storage device comprises accumulator;
Described controller comprises the first controller, second controller and the 3rd controller; Described ammeter comprises the first ammeter, the second ammeter, the 3rd ammeter, the 4th ammeter, the 5th ammeter and the 6th ammeter;
Described first controller comprises aerogenerator port, photovoltaic port, accumulator port and LED light source port, described first ammeter is linked between the output terminal of described aerogenerator and the aerogenerator input end of described first controller, and the communication port of described first ammeter is connected to local test center; Between the accumulator port that described second ammeter is linked into described first controller and described accumulator, the communication port of described second ammeter is connected to local test center;
Described second controller comprises aerogenerator port, photovoltaic port, accumulator port and LED light source port, described 3rd ammeter is linked between the output terminal of described solar panels and the photovoltaic port of described second controller, and the communication port of described 3rd ammeter is connected to local test center; Described 4th ammeter is linked between the accumulator port of described second controller and described accumulator, and the communication port of described 4th ammeter is connected to local test center;
Described 3rd controller comprises aerogenerator port, photovoltaic port, accumulator port and LED light source port, described 5th ammeter is linked between the accumulator port of described accumulator and described 3rd controller, and the communication port of described 5th ammeter is connected to local test center; Between the LED light source port that described 6th ammeter is linked into described 3rd controller and described LED light source input end, the communication port of described 6th ammeter is connected to local test center.
Described local test center connects described controller by RS485 or RS232 interface, and described local test center connects ammeter by RS485 or RS232 interface, and described local test center connects weather station by RS485 or RS232 interface.
Described communication facilities connects local test center by RS485 or RS232 interface.
Communication port is provided with: GPRS or 3G or 4G communicates between described communication facilities with remote testing center.
Described remote testing center connects local test center described in one or more, receives the test data from one or more local test centers, finishing analysis, draws monitoring result.
Technique effect of the present utility model:
1. controller carries out the control device of monitoring management to Blast Furnace Top Gas Recovery Turbine Unit (TRT) and LED light source in the utility model LED street lamp test macro.The utility model arranges controller for all main elements in system or parts, each controller completes single function, original controller is divided into three controllers by this test macro embodiment, with three independently controller complete respectively aerogenerator, solar panels and LED light source measured respectively, thus obtain respective technical indicator characteristic, increase the accuracy of measuring.
2. the utility model LED street lamp test macro also increases several ammeters and weather station, is so just provided with the test function to the controller corresponding to all main elements or parts.Practical application for LED street lamp provides measures more accurately.
3. the communication facilities in the utility model LED street lamp test macro receives the test data that local test center sends, test data is transferred to remote testing center, remote testing center completes aerogenerator, solar panels, the collection of weather station or other device measurement data arranges, abandon misdata, then the effective measurement data collected is stored in database, in order to subsequent arithmetic analysis.Therefore native system is without the need to artificial participation, just comprehensively can monitor aerogenerator, solar panels, LED light source and controller for road lamp.
Accompanying drawing explanation
Fig. 1 is the main measurement function schematic diagram that the utility model LED street lamp test macro comprises.
Fig. 2 is the utility model LED street lamp test system structure figure.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
Fig. 1 is the main measurement function schematic diagram that the utility model LED street lamp test macro comprises.As shown in Figure 1, the utility model LED street lamp test macro comprises many-sided content measurement, comprising: testing wind power generation machine power generation characteristics, test solar panels power generation characteristics, test LED light source electrical characteristics, test controller efficiency and control characteristic, test charge in batteries and flash-over characteristic.
Fig. 2 is the utility model LED street lamp test system structure figure.Test macro shown in the present embodiment comprises aerogenerator 1, solar panels 2, controller 31, controller 32, controller 33, accumulator 4, LED light source 5, ammeter 6, weather station 7, local test center 8, communication facilities 9 and remote testing center 10, also comprises weather station and reometer 61 ~ 65.Wherein aerogenerator and solar panels are Blast Furnace Top Gas Recovery Turbine Unit (TRT), and accumulator is energy storage device, and LED light source is that controller is control element, is the control center of LED street lamp, for Blast Furnace Top Gas Recovery Turbine Unit (TRT) and LED light source provide comprehensive control with electric device.The present embodiment arranges three controllers, and each controller completes single function, completes respectively and measures respectively aerogenerator, solar panels and LED light source, thus obtains respective technical indicator characteristic, and that so just can measure is more accurate.Also increase by 6 ammeters and 1 weather station in addition, make whole test macro have test function to all main devices or parts.The quantity of the quantity of controller and Blast Furnace Top Gas Recovery Turbine Unit (TRT) and LED light source is suitable, each Blast Furnace Top Gas Recovery Turbine Unit (TRT) is equipped with a controller, the monitoring work of the Blast Furnace Top Gas Recovery Turbine Unit (TRT) corresponding with it is only responsible for by the controller suitable with Blast Furnace Top Gas Recovery Turbine Unit (TRT), the electric energy of generation is converted to the receivable electrical energy form of described energy storage device through described controller by Blast Furnace Top Gas Recovery Turbine Unit (TRT), is delivered in described energy storage device; Energy storage device is used for providing electric energy for LED light source; Each LED light source is equipped with another controller, and the monitoring work of its corresponding LED light source is only responsible for by the controller suitable with LED light source; Controller by the floor data collect and transmit of the Blast Furnace Top Gas Recovery Turbine Unit (TRT) corresponding with it or LED light source to local test center; Local test center comprises acquisition control system, for sending acquisition instructions to controller, and timing or Real-time Collection relevant test data.The present embodiment also comprises communication facilities and remote testing center, the test data that communication facilities sends for receiving described local test center, and test data is transferred to remote testing center; Remote testing center comprises measuring-controlling and analyzing system, whole test datas of local test central transmission described in remote testing receive centre, and arranges, and abandons the data that there is mistake, is stored in database by effective test data; Measuring-controlling and analyzing system reads effective test data from database, uses the observing and controlling algorithm pre-set in measuring-controlling and analyzing system to analyze test data, automatically draws monitoring result.
Aerogenerator 1, for being electric energy by Wind resource change, aerogenerator exports three-phase alternating current, is converted to direct current is stored in accumulator 4 via controller 31.
Solar panels 2, for sun power is converted to electric energy, solar panels export direct current, are stored in accumulator 4 after converting via controller 32.
Controller is the control element managed generating and electricity consumption.This test macro can adopt three independently controllers, can certainly only use a controller to complete the test of actual environment.
Accumulator 4, stores the electric energy that sun power is changed by aerogenerator by the electric energy of Wind resource change and solar panels, on the one hand on the other hand for LED light source provides electric energy.
LED light source 5, is converted to luminous energy, for the night illumination under the various environment such as road, park by direct current by luminous LED element.
Ammeter 6, it is electrical measurement element, quantity has 6, for to voltage, the measurement of electric current and power etc., wherein, ammeter 61 and 62 is a pair, for the measurement generated electricity to aerogenerator 1 and controller 31 charges, ammeter 61 is AC ammeters, alternating voltage is provided, alternating current, power, electric energy, the measurement of frequency etc., for the comprehensive measurement generated electricity to aerogenerator 1, ammeter 62 is DC meters, DC voltage is provided, DC current, the measurement of power and electric energy etc., for comprehensive measurement of charging to controller 31, the measurement result of two ammeters can to the power generation performance of aerogenerator, the efficiency of controller etc. are comprehensively measured.
Ammeter 63 and 64 is a pair, for the measurement generated electricity to solar panels 2 and controller 32 charges, ammeter 63 is DC meters, the measurement of DC voltage, DC current, power and electric energy etc. is provided, for the comprehensive measurement generated electricity to solar panels 2, ammeter 64 is DC meters, the measurement of DC voltage, DC current, power and electric energy etc. is provided, for comprehensive measurement of charging to controller 32, the measurement result of two ammeters comprehensively can be measured the efficiency etc. of the power generation performance of solar panels, controller.
Ammeter 65 and 66 is a pair, for the measurement of discharging to LED light source 5 electricity consumption and accumulator 4, ammeter 65 is DC meters, the measurement of DC voltage, DC current, power and electric energy etc. is provided, for comprehensive measurement of discharging to accumulator 4, ammeter 66 is DC meters, the measurement of DC voltage, DC current, power and electric energy etc. is provided, for the comprehensive measurement to LED light source 5 electricity consumption, the measurement result of two ammeters can comprehensively measuring by the efficiency etc. of electrical property, controller LED light source.
Weather station 7, for the weather data such as measuring wind, wind direction and irradiance, temperature, humidity, for testing the power generation performance of aerogenerator and solar panels, and LED light source provide significant data with electric performance test etc.
Local test center 8, by RS485 or RS232 interface connection control device 3, ammeter 6, weather station 7, carries out communication with them and realizes data acquisition, completes above-mentioned all measurement data acquisition tasks.Telecommunication can also be carried out by communication facilities 9, image data is sent to remote testing center 10, can real-time Transmission, also can timing concentration of transmissions.
Communication facilities 9, provides communication port, completes the remote transmission task of image data in the middle of local test center 8 and remote testing center 10.Can be GPRS, 3G or 4G communication.
Remote testing center 10, is communicated with local test center 8 by communication facilities 9, completes the collection task of image data, arranges, analyzes image data, obtains every test data that this test macro needs.
The weather station that the present embodiment LED street lamp test macro comprises and several ammeters, weather station connects local test center, for measuring wind, wind direction, temperature, humidity and irradiance; An ammeter is accessed, for measuring DC voltage that Blast Furnace Top Gas Recovery Turbine Unit (TRT) generating exports or alternating voltage, DC current or alternating current, power, electric energy between the controller that every platform is connected with Blast Furnace Top Gas Recovery Turbine Unit (TRT) and this Blast Furnace Top Gas Recovery Turbine Unit (TRT) corresponding to controller.When Blast Furnace Top Gas Recovery Turbine Unit (TRT) is aerogenerator, exports three-phase alternating current, have alternating voltage, alternating current, power, electric energy and frequency; When Blast Furnace Top Gas Recovery Turbine Unit (TRT) is solar panels, exports direct current, have DC voltage, DC current, power, electric energy, without frequency; An ammeter is accessed, for measuring described energy storage device storage of electrical energy or exporting the DC voltage of electric energy, DC current, power and electric energy between the controller that every platform is connected with described energy storage device and the energy storage device corresponding to this controller; An ammeter is accessed, for measuring the DC voltage of described LED light source electricity consumption, DC current, power and electric energy between the controller that every platform is connected with described LED light source and the LED light source corresponding to this controller; Above-mentioned every platform controller is all connected with described local test center, and above-mentioned each ammeter is all connected with described local test center.
Blast Furnace Top Gas Recovery Turbine Unit (TRT) comprises aerogenerator and solar panels, and energy storage device comprises accumulator;
Controller comprises the first controller (respective figure 2 middle controller 31), second controller (respective figure 2 middle controller 32) and the 3rd controller (respective figure 2 middle controller 33.The input end of controller 33 is accumulator terminals, and output terminal is LED light source); Ammeter comprises the first ammeter (in respective figure 2 ammeter 61), the second ammeter (in respective figure 2 ammeter 62), the 3rd ammeter (in respective figure 2 ammeter 63), the 4th ammeter (in respective figure 2 ammeter 64), the 5th ammeter (in respective figure 2 ammeter 65) and the 6th ammeter (in respective figure 2 ammeter 66);
First controller comprises aerogenerator port, photovoltaic port, accumulator port and LED light source port, first ammeter is linked between the output terminal of aerogenerator and the aerogenerator input end of the first controller, and the communication port of the first ammeter is connected to local test center; Second ammeter is linked between the accumulator port of the first controller and accumulator, and the communication port of the second ammeter is connected to local test center; Second controller comprises aerogenerator port, photovoltaic port, accumulator port and LED light source port, and the 3rd ammeter is linked between the output terminal of solar panels and the photovoltaic port of second controller, and the communication port of the 3rd ammeter is connected to local test center; 4th ammeter is linked between the accumulator port of second controller and accumulator, and the communication port of the 4th ammeter is connected to local test center; 3rd controller comprises aerogenerator port, photovoltaic port, accumulator port and LED light source port, and the 5th ammeter is linked between the accumulator port of accumulator and the 3rd controller, and the communication port of the 5th ammeter is connected to local test center; Between the LED light source port that 6th ammeter is linked into the 3rd controller and LED light source input end, the communication port of the 6th ammeter is connected to local test center.
The present embodiment proposes the test macro of LED street lamp, comprehensively can test aerogenerator, solar panels, LED light source and controller for road lamp, do not need any participation of people, automatically can be completed by this test macro, like this for the practical application of LED street lamp provides accurate measurement, for the technological improvement of LED street lamp and application provide more help.
It should be pointed out that above embodiment can make those skilled in the art's comprehend the utility model create, but limit the utility model creation never in any form.Therefore, be described in detail although this instructions and embodiment are created the utility model, it will be appreciated by those skilled in the art that still to create the utility model and modify or equivalent replacement; And all do not depart from technical scheme and the improvement thereof of spirit and scope of the present utility model, it is all encompassed in the utility model and creates in the middle of the protection domain of patent.
Claims (6)
1. a LED street lamp test macro, comprise Blast Furnace Top Gas Recovery Turbine Unit (TRT), some controllers, energy storage device, LED light source and local test center, it is characterized in that, Blast Furnace Top Gas Recovery Turbine Unit (TRT) in the quantity of described controller and described LED street lamp test macro and the quantity of LED light source suitable, each Blast Furnace Top Gas Recovery Turbine Unit (TRT) is equipped with a controller, the monitoring work of the Blast Furnace Top Gas Recovery Turbine Unit (TRT) corresponding with it is only responsible for by the controller suitable with Blast Furnace Top Gas Recovery Turbine Unit (TRT), the electric energy of generation is converted to the receivable electrical energy form of described energy storage device through described controller by described Blast Furnace Top Gas Recovery Turbine Unit (TRT), be delivered in described energy storage device, described energy storage device is used for providing electric energy for LED light source, each LED light source is equipped with another controller, and the monitoring work of its corresponding LED light source is only responsible for by the controller suitable with LED light source, described local test center comprises the acquisition control system for sending acquisition instructions to described controller, and the floor data of described controller timing or the Real-time Collection Blast Furnace Top Gas Recovery Turbine Unit (TRT) corresponding with it or LED light source, transfers to local test center, described LED street lamp test macro also comprises communication facilities and remote testing center, the test data that described communication facilities sends for receiving described local test center, and test data is transferred to remote testing center, described remote testing center comprises measuring-controlling and analyzing system, whole test datas of local test central transmission described in described remote testing receive centre, and arranges, and abandons the data that there is mistake, is stored in database by effective test data, described measuring-controlling and analyzing system reads effective test data from described database, uses the observing and controlling algorithm pre-set in described measuring-controlling and analyzing system to analyze test data, automatically draws monitoring result, described LED street lamp test macro also comprises weather station and several ammeters, and described weather station connects described local test center, and for measuring wind, wind direction, temperature, humidity and irradiance, described local test receive centre is from the test data of weather station,
Access an ammeter between the controller that every platform is connected with described Blast Furnace Top Gas Recovery Turbine Unit (TRT) and the Blast Furnace Top Gas Recovery Turbine Unit (TRT) corresponding to this controller, for measure described Blast Furnace Top Gas Recovery Turbine Unit (TRT) generating export DC voltage or alternating voltage, DC current or alternating current, power, electric energy; An ammeter is accessed, for measuring described energy storage device storage of electrical energy or exporting the DC voltage of electric energy, DC current, power and electric energy between the controller that every platform is connected with described energy storage device and the energy storage device corresponding to this controller; An ammeter is accessed, for measuring the DC voltage of described LED light source electricity consumption, DC current, power and electric energy between the controller that every platform is connected with described LED light source and the LED light source corresponding to this controller; Above-mentioned every platform controller is all connected with described local test center, and above-mentioned each ammeter is all connected with described local test center.
2. LED street lamp test macro as claimed in claim 1, it is characterized in that, described Blast Furnace Top Gas Recovery Turbine Unit (TRT) comprises aerogenerator and solar panels, and described energy storage device comprises accumulator;
Described controller comprises the first controller, second controller and the 3rd controller; Described ammeter comprises the first ammeter, the second ammeter, the 3rd ammeter, the 4th ammeter, the 5th ammeter and the 6th ammeter;
Described first controller comprises aerogenerator port, photovoltaic port, accumulator port and LED light source port, described first ammeter is linked between the output terminal of described aerogenerator and the aerogenerator input end of described first controller, and the communication port of described first ammeter is connected to local test center; Between the accumulator port that described second ammeter is linked into described first controller and described accumulator, the communication port of described second ammeter is connected to local test center;
Described second controller comprises aerogenerator port, photovoltaic port, accumulator port and LED light source port, described 3rd ammeter is linked between the output terminal of described solar panels and the photovoltaic port of described second controller, and the communication port of described 3rd ammeter is connected to local test center; Described 4th ammeter is linked between the accumulator port of described second controller and described accumulator, and the communication port of described 4th ammeter is connected to local test center;
Described 3rd controller comprises aerogenerator port, photovoltaic port, accumulator port and LED light source port, described 5th ammeter is linked between the accumulator port of described accumulator and described 3rd controller, and the communication port of described 5th ammeter is connected to local test center; Between the LED light source port that described 6th ammeter is linked into described 3rd controller and described LED light source input end, the communication port of described 6th ammeter is connected to local test center.
3. LED street lamp test macro as claimed in claim 1, it is characterized in that, described local test center connects described controller by RS485 or RS232 interface, described local test center connects ammeter by RS485 or RS232 interface, and described local test center connects weather station by RS485 or RS232 interface.
4. LED street lamp test macro as claimed in claim 1, is characterized in that, described communication facilities connects local test center by RS485 or RS232 interface.
5. LED street lamp test macro as claimed in claim 1, is characterized in that, be provided with communication port between described communication facilities with remote testing center: GPRS or 3G or 4G communicates.
6. LED street lamp test macro as claimed in claim 1, it is characterized in that, described remote testing center connects local test center described in one or more, receives the test data from one or more local test centers, finishing analysis, draws monitoring result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420739648.6U CN204269781U (en) | 2014-12-01 | 2014-12-01 | A kind of LED street lamp test macro |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420739648.6U CN204269781U (en) | 2014-12-01 | 2014-12-01 | A kind of LED street lamp test macro |
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| CN204269781U true CN204269781U (en) | 2015-04-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880667A (en) * | 2015-05-22 | 2015-09-02 | 广东省茂名市质量计量监督检测所 | Mobile internet-based magnetic steel temperature limiter remote three-level monitor public detection system |
-
2014
- 2014-12-01 CN CN201420739648.6U patent/CN204269781U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880667A (en) * | 2015-05-22 | 2015-09-02 | 广东省茂名市质量计量监督检测所 | Mobile internet-based magnetic steel temperature limiter remote three-level monitor public detection system |
| CN104880667B (en) * | 2015-05-22 | 2018-01-12 | 广东省茂名市质量计量监督检测所 | A kind of long-range three-level monitoring common detection system of magnetic steel temperature limiter based on mobile Internet |
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