CN204807612U - Wireless phase place volometer - Google Patents
Wireless phase place volometer Download PDFInfo
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- CN204807612U CN204807612U CN201520339912.1U CN201520339912U CN204807612U CN 204807612 U CN204807612 U CN 204807612U CN 201520339912 U CN201520339912 U CN 201520339912U CN 204807612 U CN204807612 U CN 204807612U
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- phase place
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- voltammetric meter
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Abstract
The utility model provides a wireless phase place volometer, including wireless phase place volometer host computer and wireless phase place volometer from machine, adopt the wireless mode communication of serial between the host computer and the machine of follow, principal and subordinate's machine of this instrument is autonomous working separately not only, carries out the surveying calculation of input voltage, current signal each item electrical parameter, the synchronous measurement of the electrical parameters such as frequency, amplitude, phase place of voltages, electric current calculates between can also online realization different measuring points to show these result outputs on the display.
Description
Technical field
The utility model relates to a kind of wireless phase voltammetric meter for power measurement field.
Background technology
The raising required due to development and the power measurement of society and the expansion of scope, need a kind of can in short-range, between many measurement points the equipment of the every electric parameter measurement of synchro measure, but phase voltammetric meter in the market, the measurement of single-point (test pencil scope) electrical quantity can only be realized.
The disappearance of Multipoint synchronous measurement function in short-range, thus the collection compare of analysis of synchronous, dissimilarity inter-channel phase of voltage between dissimilarity, current measurement can not be realized, make can not to carry out effectively secondary voltage drop, dissimilarity phase place, current transformer polarity, user load type in practical application, monitoring accurately or differentiate.
Summary of the invention
For solving above-mentioned present situation, the utility model provides a kind of wireless phase voltammetric meter, comprises wireless phase voltammetric meter main frame and from machine; The slave of this instrument not only can work alone separately, carries out the survey calculation of input voltage, the every electrical quantity of current signal; The synchro measure that onlinely can also realize the electrical quantity such as frequency, amplitude, phase place of voltage, electric current between different measuring point calculates, and the output of these results is shown over the display; Main frame and be respectively provided with power supply from machine and power.
Above-mentioned wireless phase voltammetric meter main frame and wireless phase voltammetric meter adopt serial wireless communication mode between machine.
Described wireless phase voltammetric meter main frame, comprise voltage measurement circuit, current measurement circuit, display, host-processor and serial radio receiving transmitting module, voltage, current signal access respective measuring circuit by input port and carry out the process such as filtering, shaping, amplification; The output signal of measuring circuit is connected with host-processor; Host-processor is connected to display, for metrical information being shown; Serial radio receiving transmitting module is connected with host-processor, for communicating with from machine.
Described wireless phase voltammetric meter is from machine, comprise voltage measurement circuit, current measurement circuit, display, from machine processor and serial radio receiving transmitting module, voltage, current signal access respective measuring circuit by input port and carry out the process such as filtering, shaping, amplification; The output signal of measuring circuit is connected with from machine processor; Display is connected to, for metrical information being shown from machine processor; Serial radio receiving transmitting module is connected with from machine processor, for communicating with main frame.
During phase voltammetric meter measurement that the utility model is wireless:
Measurement startup command is sent to from machine by serial radio receiving transmitting module by main frame, and opens host side measurement in the time of agreement; When after the metering cycle arriving setting, first calculate the frequency of respective passage, amplitude and phase value, then read from machine measurement result by wireless module, after each for slave passage result is gathered calculating, export and show over the display.
From machine by serial radio receiving transmitting module, receive after measuring startup command, stop work at present immediately, and measure in the time unlatching of agreement with a new round for host synchronization, when after the measuring period arriving setting, calculate the frequency of each passage, amplitude and phase value, store and output to and show from machine display, when the measurement result receiving main frame transmission waiting is inquired about, event memory is sent to main frame by serial wireless module.
Measurement between slave synchronously adopts constant time lag to add the method for software correction: main frame measures presynchronization order by serial wireless module to sending from machine before measuring; After receiving pretrigger order from machine, stop work at present, and carry out measurement Initialize installation, after completing, by the order of serial wireless module response main frame pretrigger; Main frame receives after the response of machine pretrigger, sends and measures startup command, and with the constant time lag time after open the measurement of host side signal; After receiving main frame measuring command from machine, also with after the constant time lag time measurement from machine end signal is opened, fix in serial rate, the frame length that communicates fixing, the time of serial transmitting-receiving is also fixed, and can survey at last, this fixing time difference, eliminate from the method for machine constant time lag time span by amendment, thus make to start with main frame synchronization to measure.
Described in connecting, after completing from machine measurement, while frequency, amplitude, phase place are stored, by display by result output display; After host side signal measurement completes, main frame is read from machine measurement result by serial wireless module, and calculates the relation between the electrical quantity such as amplitude, phase place of each passage between slave or signal, and result is exported to display display.
The utility model is wireless phase voltammetric meter, by once complete synchro measure, not only can realize the measurement of voltage between slave, the frequency of electric current, amplitude, the basic electrical quantity of phase place, and the expansion such as no-load voltage ratio, power electrical quantity between slave can be calculated according to actual input condition, and by display, measurement result is shown.
The main frame of the utility model is wireless phase voltammetric meter or from machine, can work independently and realize voltage to respective input end, the electric parameter measurement such as frequency, amplitude, phase place of current signal calculated, and measurement result shown by display.
Accompanying drawing explanation
Particular content of the present utility model is illustrated further below in conjunction with drawings and Examples:
Fig. 1: the one-piece construction schematic diagram of the present embodiment;
Fig. 2: the present embodiment main machine structure schematic diagram;
Fig. 3: the present embodiment is from machine structural representation;
Fig. 4: the present embodiment synchro measure time diagram.
Embodiment
With reference to Fig. 1, the present embodiment comprises main frame 1, from machine 6; Wherein main frame comprises electric current and voltage input end 3, display 2, keyboard 5 and main frame dual-mode antenna 4; Electric current and voltage input end 8, display 7, keyboard 10 and main frame dual-mode antenna 9 is comprised from machine; In the particular embodiment, can configure according to actual needs from the number of machine, but be from machine 6 structure.
With reference to Fig. 2, be described host structure chart, electric current and voltage input end 3 comprises voltage input end and measuring circuit 12 thereof and current input terminal and measuring circuit 13 thereof; 12, the output signal of 13, be connected to host-processor 11, keyboard 5 output signal is connected to host-processor, host-processor connects display 2, for display measurement result, host serial wireless module 14 is connected to host-processor, and main frame wireless receiving and dispatching antenna 4 connects 14, and host power supply module 15 provides the power supply of host work;
With reference to Fig. 3, for described from machine structural drawing, electric current and voltage input end 8 comprises voltage input end and measuring circuit 17 thereof and current input terminal and measuring circuit 18 thereof; 17, the output signal of 18, be connected to from machine processor 16, keyboard 10 output signal is connected to from machine machine processor, display 7 is connected from machine processor, for display measurement result, be connected to from machine processor from machine serial wireless module 19, connect 19 from machine wireless receiving and dispatching antenna 9, provide the power supply from machine work from electromechanical source module 20;
With reference to Fig. 4, be this example synchro measure time diagram, at one time axle 21 times, main frame sends in the moment 22 and measures startup command 26, after being sent completely, opens the constant time lag time 28; Measure startup command 26 after wireless transmission, in the time 23, receive the main frame consistent with 26 from machine and measure startup command 27, and after receiving in the moment 24, long delay 29 when opening fixing; Main frame constant time lag 28 and all complete in the moment 25 from machine constant time lag 29, this moment, slave opens measurement simultaneously, and the wireless synchronization so far achieved between slave is measured; Due to two-forty, short-range feature of radio communication, difference between time period 28 and 29 is a fixed value, as calculated and actual measurement, 28, the deviation that between 29, difference is small is not enough to affect synchro measure result, comprise frequency, amplitude, the precision of phase place and error, because this method is reliable and stable method for synchronously measuring, measurement result precision is credible.
Within a complete measuring period, host-processor obtains the measurement result of each passage of slave, according to frequency, amplitude, phase place essential information, calculate the electrical quantitys such as each inter-channel phase, no-load voltage ratio, power, power factor, by host display, measurement result is shown.
In the present embodiment, slave can work independently, and realizes survey calculation and the result display of respective input signal.
Claims (4)
1. a wireless phase voltammetric meter, comprises wireless phase voltammetric meter main frame, wireless phase voltammetric meter from machine;
Described wireless phase voltammetric meter main frame comprises voltage measurement circuit, current measurement circuit, display, processor and radio receiving transmitting module; Described wireless phase voltammetric meter comprises voltage measurement circuit, current measurement circuit, display, processor and radio receiving transmitting module from machine;
It is characterized in that: communicated by the mode that serial is wireless between the slave of wireless phase voltammetric meter.
2. wireless phase voltammetric meter according to claim 1, it is characterized in that: main frame wirelessly sends order to from machine, control realization slave synchro measure, thus frequency, amplitude, phase place, power, these electrical quantitys of no-load voltage ratio of obtaining each input channel of slave within the scope of wireless distances.
3. wireless phase voltammetric meter according to claim 1, is characterized in that: its main frame can work independently, and achieves a butt joint into the measurement of the frequency of passage, amplitude, phase place.
4. wireless phase voltammetric meter according to claim 1, is characterized in that: it can work independently from machine, achieves a butt joint into the measurement of the frequency of passage, amplitude, phase place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520339912.1U CN204807612U (en) | 2015-05-20 | 2015-05-20 | Wireless phase place volometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520339912.1U CN204807612U (en) | 2015-05-20 | 2015-05-20 | Wireless phase place volometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204807612U true CN204807612U (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520339912.1U Expired - Fee Related CN204807612U (en) | 2015-05-20 | 2015-05-20 | Wireless phase place volometer |
Country Status (1)
| Country | Link |
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| CN (1) | CN204807612U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387697A (en) * | 2018-11-20 | 2019-02-26 | 国网甘肃省电力公司电力科学研究院 | Wireless phase measurement device, method for synchronizing time and wireless Method for Phase Difference Measurement |
| CN109596904A (en) * | 2019-01-15 | 2019-04-09 | 国家电网有限公司 | A kind of synchro measure and auto-check system and method based on wireless telecommunications |
| CN110441622A (en) * | 2018-05-02 | 2019-11-12 | 国网青海省电力公司海北供电公司 | Wireless on-load vector test instrument |
| CN111537795A (en) * | 2020-04-21 | 2020-08-14 | 吉林大学 | Distributed frequency domain complex signal measuring system and method |
| CN113696728A (en) * | 2021-08-24 | 2021-11-26 | 中国第一汽车股份有限公司 | Alarm control method, device, equipment and storage medium for vehicle instrument |
-
2015
- 2015-05-20 CN CN201520339912.1U patent/CN204807612U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441622A (en) * | 2018-05-02 | 2019-11-12 | 国网青海省电力公司海北供电公司 | Wireless on-load vector test instrument |
| CN109387697A (en) * | 2018-11-20 | 2019-02-26 | 国网甘肃省电力公司电力科学研究院 | Wireless phase measurement device, method for synchronizing time and wireless Method for Phase Difference Measurement |
| CN109596904A (en) * | 2019-01-15 | 2019-04-09 | 国家电网有限公司 | A kind of synchro measure and auto-check system and method based on wireless telecommunications |
| CN111537795A (en) * | 2020-04-21 | 2020-08-14 | 吉林大学 | Distributed frequency domain complex signal measuring system and method |
| CN113696728A (en) * | 2021-08-24 | 2021-11-26 | 中国第一汽车股份有限公司 | Alarm control method, device, equipment and storage medium for vehicle instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The road high tech Zone Technology 710075 Shaanxi city of Xi'an province No. 39 building, 603 Asian American Ju Fu Ge Patentee after: Xi'an double British Polytron Technologies Inc Address before: The road high tech Zone Technology 710075 Shaanxi city of Xi'an province No. 39 building, 603 Asian American Ju Fu Ge Patentee before: Shuangying Sci. & Tech. Co., Ltd., Xi'an |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20210520 |