CN206057551U - It is a kind of to be used for electric energy meter requirement period measurement pulse output translator - Google Patents
It is a kind of to be used for electric energy meter requirement period measurement pulse output translator Download PDFInfo
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- CN206057551U CN206057551U CN201620874742.1U CN201620874742U CN206057551U CN 206057551 U CN206057551 U CN 206057551U CN 201620874742 U CN201620874742 U CN 201620874742U CN 206057551 U CN206057551 U CN 206057551U
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- electric energy
- energy meter
- output translator
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- 238000005259 measurement Methods 0.000 title claims abstract description 25
- 230000000306 recurrent effect Effects 0.000 claims description 6
- 230000000737 periodic effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Abstract
This utility model belongs to electrical equipment technical field, more particularly to a kind of for electric energy meter requirement period measurement pulse output translator.The high termination self- recoverage insurance F1 of this utility model pulse input interface P1, pulse input interface P1 low sides meet pulse converter power supply low side GND, and the self- recoverage insurance F1 other ends are connected with load resistance R1, Zener diode D1 negative poles, resistance R2；The resistance R2 other ends connect 1 foot of ungated integrated circuit U1A, and the 2 feet connection pulse output interface P2 of ungated integrated circuit U1A is high-end；Pulse output interface P2 low sides connect pulse converter power supply low side GND, and it is high-end that the high-end VCC of pulse output translator power supply connects supplying cell BT1 by and off switch S1.This utility model has simple structure, easy to operate, the characteristics of safe and reliable, is capable of achieving universal counter measurement requirement circular error.
Description
Technical field
This utility model belongs to electrical equipment technical field, more particularly to a kind of for electric energy meter requirement period measurement pulse
Output translator.
Background technology
At present electric energy meter checking device is measuring requirement indicating value by mistake and during difference requirement the two projects of circular error, using point
When measure, it is impossible to while showing measurement result, and the used time is longer.
Intelligent electric energy meter has requirement recurrent pulse output function, for detecting the requirement circular error of electric energy meter.Because
Output form is optocoupler output, does not go out pulse signal with oscilloscope measurement, also cannot measure the requirement cycle using universal counter
Error.By the requirement recurrent pulse output translator of this utility model, you can measure electric energy meter using universal counter
Requirement circular error.
The content of the invention
For above-mentioned problems of the prior art, this utility model provides a kind of for electric energy meter requirement period measurement
Pulse output translator, its objective is to provide a kind of simple structure, easy to operate, and safe and reliable one kind is needed for electric energy meter
Amount period measurement pulse output translator.And can realize the requirement circular error of electric energy meter is measured using universal counter.
In order to realize above-mentioned utility model purpose, this utility model is achieved through the following technical solutions：
It is a kind of to be used for electric energy meter requirement period measurement pulse output translator, the load resistance in pulse output translator
R1, resistance R2, electric capacity C1 constitute low pass filter, and self- recoverage insurance F1 and Zener diode D1 constitutes voltage clamp protection；Its
In, the high termination self- recoverage insurance F1 of pulse input interface P1, pulse input interface P1 low sides connect pulse converter power supply low side
GND, the self- recoverage insurance F1 other ends are connected with load resistance R1, Zener diode D1 negative poles, resistance R2；The resistance R2 other ends connect
1 foot of ungated integrated circuit U1A is connect, the 2 feet connection pulse output interface P2 of ungated integrated circuit U1A is high-end；Pulse output connects
Mouth P2 low side connection pulse converter power supply low side GND, the high-end VCC of pulse output translator power supply are connected by and off switch S1
Supplying cell BT1 is high-end.
Model 74LS14 of the ungated integrated circuit U1A.
The model of the supplying cell BT1 is ER14505.
The pulse input interface P1 aids in end with first auxiliary terminal of requirement recurrent pulse output 9 and second of electric energy meter
Son 10 is connected, and pulse output interface P2 is connected with the pulse input interface P3 of universal counter.
The resistance R2 and electric capacity C1 composition high-frequency filter circuits.
The self- recoverage insurance F1 constitutes input protection circuit together with Zener diode D1.
This utility model has the advantage that and beneficial effect：
This utility model transducer has simple structure, easy to operate, the characteristics of safe and reliable.And utilize the conversion
Device can realize universal counter measurement requirement circular error.Requirement periodic signal can be arranged by intelligent electric energy meter, at which
Requirement periodic signal is sent on multifunctional signal terminal, therefore requirement periodic signal can be measured using universal counter, can
It is convenient to show requirement circular error.If arranging intelligent electric energy meter, multifunctional signal terminal is sent clock base frequency signal,
Universal counter can be used to measure the clocking error inside intelligent electric energy meter.
Description of the drawings
Fig. 1 this utility model structural representations；
Fig. 2 is connection diagram between electric energy meter, pulse output translator, universal counter.
In figure：First auxiliary terminal 9 and the second auxiliary terminal 10, pulse input interface P1, pulse output interface P2 are general
The pulse input interface P3 of enumerator, load resistance R1, resistance R2, electric capacity C1, self- recoverage insurance F1, Zener diode D1,
Ungated integrated circuit U1A, on and off switch S1, supplying cell BT1, the high-end VCC of pulse output translator power supply, pulse converter
Power supply low side GND.
Specific embodiment
This utility model is a kind of for electric energy meter requirement period measurement pulse output translator, as shown in figure 1, Fig. 1 is
This utility model pulse output translator circuit detail drawing.First auxiliary of the requirement periodic output signal of electric energy meter by electric energy meter
It is high-end that the pulse anode of terminal 9 is connected to pulse output translator pulse input interface P1 signals；Second auxiliary end of electric energy meter
The pulse negative terminal of son 10 is connected to the pulse input interface P1 signal low sides of pulse output translator.
Load resistance R1 in pulse output translator, resistance R2, electric capacity C1 constitute low pass filter, self- recoverage insurance
F1 and Zener diode D1 constitutes voltage clamp protection.
The high termination self- recoverage insurance F1 of pulse input interface P1, it is low that pulse input interface P1 low sides connect pulse converter power supply
End GND, the self- recoverage insurance F1 other ends are connected with load resistance R1, Zener diode D1 negative poles, resistance R2, the resistance R2 other ends
1 foot of connection ungated integrated circuit U1A, the 2 feet connection pulse output interface P2 of ungated integrated circuit U1A are high-end.Pulse is exported
Interface P2 low sides connect pulse converter power supply low side GND, and the high-end VCC of pulse output translator power supply is connected by and off switch S1
Meet supplying cell BT1 high-end.
The operation principle of pulse converter is：Load resistance R1 is to provide load resistance for electric energy meter inside optocoupler, electricity
Stream signal is converted into pulse voltage output signal, and resistance R2 and electric capacity C1 composition high-frequency filter circuits prevent burr signal from disturbing.
Model 74LS14 of ungated integrated circuit U1A, is the not circuit with schmidt trigger function, can be to exporting pulse letter
Number shaping, while to signals reverse.Self- recoverage insurance F1 constitutes input protection circuit together with Zener diode D1, prevents input
Signal misconnection enters high voltage and damages components and parts below, can bear the impact of 400V alternating voltages.The model of supplying cell BT1 is
ER14505。
Utilize this utility model to be a kind of for electric energy meter requirement recurrent pulse output translator, measure when, it is first
First electric energy meter, pulse output translator, universal counter are attached, its connection figure is shown in Fig. 2, wherein the requirement week of electric energy meter
Phase signal output is the first auxiliary terminal 9 and the second auxiliary terminal 10, and they are connected with pulse output translator, afterwards again with it is logical
Connected with enumerator.The requirement recurrent pulse of electric energy meter exports the first auxiliary terminal 9 and the second auxiliary terminal 10 is exported with pulse
The pulse input interface P1 of transducer is connected, and the pulse output interface P2 of pulse output translator is defeated with the pulse of universal counter
Incoming interface P3 is connected.
Electric energy meter requirement error of indication original measuring process is constant, by electric energy meter device and electric energy meter connecting test.
The requirement cycle acquiescence of electric energy meter is 15 minutes, and the slippage time is 1 minute.It is defeated when electric 15 minutes so on electric energy meter
Go out first requirement periodic signal, a requirement periodic signal was exported every 1 minute afterwards.
The wiring diagram of electric energy meter and universal counter is shown in Fig. 2.As the output signal of electric energy meter is the general meter of passive output
Number devices cannot direct measurement go out pulse signal, it is necessary to increase pulse output translator.
According to Fig. 1 wiring during measurement.During measurement, rated voltage is applied to electric energy meter first, electric energy meter multifunction terminal
It is arranged to the output of requirement periodic signal；Universal counter is arranged to frequency measurement, universal counter gate-control signal be arranged to 10S or
Person 20S, the time that gate-control signal is arranged are longer, and the resolution of measurement result is higher；When electric energy meter adds rated voltage 15 minutes
Output first requirement periodic signal, it is per minute output one requirement periodic signal；Universal counter measurement frequency values be
16.66666mHz, specifies according to code, requirement circular error is not more than 1%, thus measurement frequency result 16.66666mHz ±
（16.66666mHz×1%）Interior, i.e., error is qualified.
Claims (6)
1. it is a kind of to be used for electric energy meter requirement period measurement pulse output translator, it is characterized in that：It is negative in pulse output translator
Carry resistance R1, resistance R2, electric capacity C1 and constitute low pass filter, self- recoverage insurance F1 and Zener diode D1 constitutes voltage clamp
Protection；Wherein, the high termination self- recoverage insurance F1 of pulse input interface P1, pulse input interface P1 low sides connect pulse converter power supply
Low side GND, the self- recoverage insurance F1 other ends are connected with load resistance R1, Zener diode D1 negative poles, resistance R2；Resistance R2 is another
1 foot of end connection ungated integrated circuit U1A, the 2 feet connection pulse output interface P2 of ungated integrated circuit U1A are high-end；Pulse is defeated
Outgoing interface P2 low sides connect pulse converter power supply low side GND, and the high-end VCC of pulse output translator power supply passes through on and off switch S1
Supplying cell BT1 is high-end for connection.
2. according to claim 1 a kind of for electric energy meter requirement period measurement pulse output translator, it is characterized in that：Institute
State model 74LS14 of ungated integrated circuit U1A.
3. according to claim 1 a kind of for electric energy meter requirement period measurement pulse output translator, it is characterized in that：Institute
The model for stating supplying cell BT1 is ER14505.
4. according to claim 1 a kind of for electric energy meter requirement period measurement pulse output translator, it is characterized in that：Institute
The requirement recurrent pulse that pulse input interface P1 is stated with electric energy meter exports the first auxiliary terminal（9）With the second auxiliary terminal（10）Phase
Even, pulse output interface P2 is connected with the pulse input interface P3 of universal counter.
5. according to claim 1 a kind of for electric energy meter requirement period measurement pulse output translator, it is characterized in that：Institute
State resistance R2 and electric capacity C1 composition high-frequency filter circuits.
6. according to claim 1 a kind of for electric energy meter requirement period measurement pulse output translator, it is characterized in that：Institute
State self- recoverage insurance F1 input protection circuit is constituted together with Zener diode D1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620874742.1U CN206057551U (en) | 2016-08-12 | 2016-08-12 | It is a kind of to be used for electric energy meter requirement period measurement pulse output translator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620874742.1U CN206057551U (en) | 2016-08-12 | 2016-08-12 | It is a kind of to be used for electric energy meter requirement period measurement pulse output translator |
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| Publication Number | Publication Date |
|---|---|
| CN206057551U true CN206057551U (en) | 2017-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291443A (en) * | 2016-08-12 | 2017-01-04 | 国网辽宁省电力有限公司电力科学研究院 | A kind of for electric energy meter requirement period measurement pulse output translator |
-
2016
- 2016-08-12 CN CN201620874742.1U patent/CN206057551U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291443A (en) * | 2016-08-12 | 2017-01-04 | 国网辽宁省电力有限公司电力科学研究院 | A kind of for electric energy meter requirement period measurement pulse output translator |
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