CN103983829A - Multifunctional Hall sensor - Google Patents
Multifunctional Hall sensor Download PDFInfo
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- CN103983829A CN103983829A CN201310444428.0A CN201310444428A CN103983829A CN 103983829 A CN103983829 A CN 103983829A CN 201310444428 A CN201310444428 A CN 201310444428A CN 103983829 A CN103983829 A CN 103983829A
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Abstract
The invention is applied to the technical field of a sensor, and provides a multifunctional Hall sensor. The multifunctional Hall sensor comprises a sensor housing. The sensor housing internally comprises a mainboard, a Hall current measuring coil, a Hall leakage current measuring coil, a plurality of cathode current threading tubes and a plurality of anode current threading tubes. The mainboard comprises a microprocessor; the Hall current measuring coil is wound on one anode current threading tube and is connected with the microprocessor; and the Hall leakage current measuring coil is wound on one cathode current threading tube and one anode current threading tube and is connected with the microprocessor. According to the invention, the multifunction Hall sensor realizes such functions as monitoring of DC currents, leakage currents, voltages, power, electric energy, switching states and the like by use of a quite small number of hardware and satisfies the demand for comprehensive monitoring of a DC system; and the multifunction Hall sensor also has the advantages of increased functions, saved space, decreased cost, improved system accuracy and reliability, and also greatly reduced production and installation labor intensity at the same time.
Description
Technical field
The invention belongs to sensor technical field, especially relate to a kind of Multipurpose Hall Transducer of conventional DC electric power system and high voltage direct current electric power system.
Background technology
The feature such as DC power-supply system is energy-efficient with it, security performance is high, less investment, technical difficulty are low has been widely used, and has progressively been generalized to other industry in telecommunications industry and other operators, has obtained good effect.
Because straight-flow system directly replaces UPS as the back-up source of important load, its reliability requirement is quite high, conventional way is that every current supply circuit is carried out to strict monitoring, general every current return electric current and the leakage current (insulation) of detecting, on off state or fuse state, and bearing power, load energy consumption etc.
As shown in Figure 1, traditional way is that a Hall current sensor, a leakage current sensor are installed on current return, by hall device, forceful electric power electric current and leakage current is transformed into a standard weak electric signal, pass through again analog to digital conversion, upload to computer supervisory control system.
Traditional Hall element needs 2 output lines, article 2, power lead, except the volume of adding up of two sensors is large, the wiring in each loop also has 4 more than, because the power distribution cabinet input and output loop in straight-flow system is numerous, as telecommunications, the main output in standard configuration Wei32 road, the 32 standby outputs in tunnel, add 2 tunnel inputs, each power distribution cabinet You66 road current supply circuit, traditional method, whole power distribution cabinet just needs 132 Hall elements in the measurement of electric current and leakage current, 528 more than of wiring, can cause like this: 1, sensor is too many, 2 sensors are installed in a loop, take installing space large, the in the situation that of more in loop, power distribution cabinet can fail to lay down.2, wiring is too many, loaded down with trivial details, has the huge problem of installation workload, and power distribution cabinet distribution is in disorder, easily makes mistakes.3, sensor hardware cost and installation labor cost are larger, the in the situation that of more in loop, cause the cost accounting of sensor in DC power distribution cabinet more outstanding.4, weak electric wire is numerous, is easily subject to forceful electric power and disturbs, and greatly reduces measuring accuracy and the reliability of system.5, analog output also needs a plurality of multi-analog signal pickers, after analog to digital conversion, just can upload to computer supervisory control system, and hardware cost increase is very large.6, traditional scheme cannot be monitored the power supply load-carrying power of institute and energy consumption.
Therefore, there is more defect in prior art, needs to improve.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of Multipurpose Hall Transducer, is intended to solve the problem that traditional sensors can not be measured electric current and the leakage current in a DC loop or a plurality of loops simultaneously.
The present invention is achieved in that a kind of Multipurpose Hall Transducer, comprises sensor housing, comprises mainboard, Hall current measuring coil, Hall leakage current measurement coil, some cathodal current wire-passing tubes and some anodal current wire pipes in described sensor housing; Described mainboard includes microprocessor; Described Hall current measuring coil is connected on an anodal current wire pipe and with described microprocessor, described Hall leakage current measurement coil around a cathodal current wire-passing tube with on an anodal current wire pipe and be connected with described microprocessor.
Further, described housing also comprises the LCDs being connected with described microprocessor, for showing electric current and leakage current and other data.
Further, described housing also comprises RS485 interface and cascade port, and described RS485 interface and cascade port are connected with described mainboard.
Further, described mainboard also comprises voltage acquisition terminal, and described voltage acquisition terminal is connected with described microprocessor.
Further, also comprise 35MM card rail on described sensor housing, described 35MM card rail is used for fixedly mounting described Multipurpose Hall Transducer.
Further, the anodal current wire pipe and the cathodal current wire-passing tube that are wound with electric current and leakage current measurement coil are divided into one group, described some cathodal current wire-passing tubes and some anodal current wire pipes are divided into some groups, the electric current of every Zu Ce No. mono-direct supply, leakage current and other electric parameters.
Further, described voltage acquisition terminal is connected with described mainboard by fool proof plug interface.
Further, after electric current and voltage sample, described microprocessor calculates the electric parameter of power, electric energy and the on off state of tested power supply according to the data of electric current and voltage.
Further, described Hall current measuring coil is connected with described mainboard in hot-swappable mode with described Hall leakage current measurement coil.
Further, described Hall current measuring coil replaces with current diverter.
Multipurpose Hall Transducer of the present invention passes through, Hall leakage current measurement coil is through positive pole and the negative electrical wire of direct current, simultaneously Hall current measuring coil around on the positive level electric wire of direct current to measure leakage current and the DC current of current supply circuit, and can measure the DC voltage of electric power loop simultaneously, power, electric energy, on off state, thereby reach at a Hall element and measure DC current and leakage current simultaneously, and DC power supply circuit voltage, power, electric energy, state etc. opens the light, to reach the object of comprehensive monitoring, calculate the energy consumption of each load, for further energy-saving and emission-reduction provide foundation.Multipurpose Hall Transducer of the present invention has advantages of: 1, used serial ports of computers technology, greatly reduced output line; 2, directly adopt voltage sampling signal as the power supply of sensor, sensor does not have power lead; 3, the width of sensor equates with the direct current miniature circuit breakers of two utmost points, accomplishes correspondence one by one, on space, mates completely with distribution loop, has reduced the wiring distance of current supply circuit, to reach, saves space and distribution cable.4, with less hardware, realize the functions such as monitoring current, leakage current, voltage, power, electric energy, on off state, met the needs of straight-flow system overall monitor; Not only increase function, saved space, reduced cost, improved system accuracy and reliability, also greatly reduced labour intensity simultaneously, with traditional scheme comparison, had the higher ratio of performance to price.
Accompanying drawing explanation
Fig. 1 is the traditional sensors wiring diagram that prior art provides;
Fig. 2 is the Hall element structural representation that the embodiment of the present invention provides;
Fig. 3 is that the Hall element multiloop that the embodiment of the present invention provides is measured structural representation;
Fig. 4 is the Hall element wiring diagram that the embodiment of the present invention provides;
Fig. 5 is the Hall element schematic diagram that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Multipurpose Hall Transducer of the present invention, utilizes advanced digital technology and Promethean design, with less hardware and few wiring, and high noise immunity, complete the electric current in DC power distribution cabinet input and output loop and the monitoring of leakage current.Due to the power supply that adopts sampled voltage as this sensor, so this sensor does not have power lead, output line is public two lines of whole power distribution cabinet all the sensors.Described Multipurpose Hall Transducer can detect electric current and a leakage current (insulation) in loop simultaneously, monitors the on off state in this loop or the state of fuse simultaneously.
As shown in Figure 2 and Figure 3, a kind of Multipurpose Hall Transducer, comprise sensor housing, in described sensor housing, comprise mainboard 201, Hall current measuring coil 202, Hall leakage current measurement coil 203, some cathodal current wire-passing tubes 204 and some anodal current wire pipes 205; Described mainboard 201 includes microprocessor 210; Described Hall current measuring coil 202 is connected on an anodal current wire pipe 205 and with described microprocessor 210, and described Hall leakage current measurement coil 203 is wound with on the anodal current wire pipe 205 of Hall current measuring coil 202 and is connected with described microprocessor 210 around a cathodal current wire-passing tube 204 and.In same sensor, design Hall current measuring coil 202 and Hall leakage current measurement coil 203 simultaneously, can reduce by 50% installing space.
Further, described housing also comprises the LCDs 207 being connected with described microprocessor 210, and described LCDs 207 is for showing the data of electric current and leakage current.Described housing also comprises RS485 interface and cascade port 208, and described RS485 interface and cascade port 208 are connected with described mainboard 201.When described Hall element is multiloop measurement, shares a liquid crystal display 207, and share one group of RS485 communication interface.Described Multipurpose Hall Transducer output adopts the MODBUS bus structure of RS485, each sensor can pass through RJ45 interface (crystal head interface), mode with common netting twine with cascade, data are sent to supervisory system, the connection that the netting twine that whole system only needs two cores just can data acquisition.Traditional sensors is analog output, and transmit data also needs to install additional collector to supervisory system, and analog output needs the output line of each sensor to be connected with collector, so wiring is numerous.
Further, described mainboard 210 also comprises voltage acquisition terminal 206, and described voltage acquisition terminal 206 is connected with described microprocessor 210.By Hall current measuring coil 202, record electric current, by Hall leakage current measurement coil 203, record leakage current, by voltage acquisition terminal 206, record voltage, by voltage and electric current, through microprocessor 210, multiply each other and draw power, then the time of being multiplied by draws electric energy.With voltage, judge the on off state of switch, and with this voltage, be used as the working power of sensor.After microprocessor 210 calculates data, data are sent to respectively to liquid crystal display 207 and RS485 interface and cascade port 208, by RS485 interface and cascade port 208, data are sent to supervisory system 404, as shown in Figure 4, Figure 5.Therefore, described Multipurpose Hall Transducer also possesses the function of voltage detecting, power detection, electric energy detection and on off state collection 504.Hall signal 503 obtains by Hall current measuring coil 202 and Hall leakage current measurement coil 203, and high-speed sampling is carried out voltage acquisition by voltage acquisition terminal 206 and obtained.
Described voltage acquisition terminal 206 is connected with described mainboard 201 by fool proof plug interface 209.Mainboard 201, if any damage, can be changed easily.Power acquisition is from tested voltage, without deploy switch power supply, because sensor is arranged on the outlet of switch nearby, leaves pass very near, and normally 8-10CM left and right, so wiring is simple, and is not easy to make mistakes.
Further, also comprise 35MM card rail on described sensor housing, described 35MM card rail is used for fixedly mounting described Multipurpose Hall Transducer.
Further, described Hall current measuring coil, Hall leakage current measurement coil are connected with mainboard in hot-swappable mode.
Further, described Hall current measuring coil replaces with current diverter.
Further, when described Multipurpose Hall Transducer is multiloop measurement, the anodal current wire pipe 205 and the cathodal current wire-passing tube 204 that are wound with Hall leakage current measurement coil 203 are divided into one group, described some cathodal current wire-passing tubes 204 and some anodal current wire pipes 205 are divided into some groups, electric current and the leakage current of every Zu Ce mono-tunnel DC current.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a Multipurpose Hall Transducer, comprises sensor housing, it is characterized in that, comprises mainboard, Hall current measuring coil, Hall leakage current measurement coil, some cathodal current wire-passing tubes and some anodal current wire pipes in described sensor housing; Described mainboard includes microprocessor; Described Hall current measuring coil is connected on an anodal current wire pipe and with described microprocessor, described Hall leakage current measurement coil around a cathodal current wire-passing tube with on an anodal current wire pipe and be connected with described microprocessor.
2. Multipurpose Hall Transducer according to claim 1, is characterized in that, described housing also comprises the LCDs being connected with described microprocessor, for showing electric current and leakage current and other data.
3. Multipurpose Hall Transducer according to claim 1, is characterized in that, described housing also comprises RS485 interface and cascade port, and described RS485 interface and cascade port are connected with described mainboard.
4. Multipurpose Hall Transducer according to claim 1, is characterized in that, described mainboard also comprises voltage acquisition terminal, and described voltage acquisition terminal is connected with described microprocessor.
5. Multipurpose Hall Transducer according to claim 1, is characterized in that, also comprises 35MM card rail on described sensor housing, and described 35MM card rail is used for fixedly mounting described Multipurpose Hall Transducer.
6. Multipurpose Hall Transducer according to claim 1, it is characterized in that, the anodal current wire pipe and the cathodal current wire-passing tube that are wound with electric current and leakage current measurement coil are divided into one group, described some cathodal current wire-passing tubes and some anodal current wire pipes are divided into some groups, the electric current of every Zu Ce No. mono-direct supply, leakage current and other electric parameters.
7. Multipurpose Hall Transducer according to claim 4, is characterized in that, described voltage acquisition terminal is connected with described mainboard by fool proof plug interface.
8. Multipurpose Hall Transducer according to claim 4, is characterized in that, after electric current and voltage sample, described microprocessor calculates the electric parameter of power, electric energy and the on off state of tested power supply according to the data of electric current and voltage.
9. Multipurpose Hall Transducer according to claim 1, is characterized in that, described Hall current measuring coil is connected with described mainboard in hot-swappable mode with described Hall leakage current measurement coil.
10. Multipurpose Hall Transducer according to claim 1, is characterized in that, described Hall current measuring coil replaces with current diverter.
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| CN201310444428.0A CN103983829A (en) | 2013-09-23 | 2013-09-23 | Multifunctional Hall sensor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310444428.0A CN103983829A (en) | 2013-09-23 | 2013-09-23 | Multifunctional Hall sensor |
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| CN103983829A true CN103983829A (en) | 2014-08-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880987A (en) * | 2015-04-22 | 2015-09-02 | 无锡乐尔科技有限公司 | Current monitoring module |
| CN111381099A (en) * | 2018-12-28 | 2020-07-07 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Device and method for testing alternating current loss of high-temperature superconducting strip and coil |
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| CN201974483U (en) * | 2010-12-30 | 2011-09-14 | 上海仪器仪表研究所 | Small-capacity super capacitor measuring device |
| CN202177674U (en) * | 2011-07-07 | 2012-03-28 | 佛山市中格威电子有限公司 | Intelligent testing apparatus used for cabinet air conditioner half-practicality imitation test system |
| JP2012068191A (en) * | 2010-09-27 | 2012-04-05 | Hioki Ee Corp | Current measuring device |
| CN202735391U (en) * | 2012-06-18 | 2013-02-13 | 大连科海测控技术有限公司 | Composite current sensor |
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2013
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101089636A (en) * | 2006-11-15 | 2007-12-19 | 白在铭 | Non-contact electricity meter |
| JP2012068191A (en) * | 2010-09-27 | 2012-04-05 | Hioki Ee Corp | Current measuring device |
| CN201974483U (en) * | 2010-12-30 | 2011-09-14 | 上海仪器仪表研究所 | Small-capacity super capacitor measuring device |
| CN202177674U (en) * | 2011-07-07 | 2012-03-28 | 佛山市中格威电子有限公司 | Intelligent testing apparatus used for cabinet air conditioner half-practicality imitation test system |
| CN202735391U (en) * | 2012-06-18 | 2013-02-13 | 大连科海测控技术有限公司 | Composite current sensor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880987A (en) * | 2015-04-22 | 2015-09-02 | 无锡乐尔科技有限公司 | Current monitoring module |
| CN111381099A (en) * | 2018-12-28 | 2020-07-07 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Device and method for testing alternating current loss of high-temperature superconducting strip and coil |
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Application publication date: 20140813 |