CN206788262U - Electric parameter measurement instrument - Google Patents
Electric parameter measurement instrument Download PDFInfo
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- CN206788262U CN206788262U CN201720360980.5U CN201720360980U CN206788262U CN 206788262 U CN206788262 U CN 206788262U CN 201720360980 U CN201720360980 U CN 201720360980U CN 206788262 U CN206788262 U CN 206788262U
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Abstract
It the utility model is related to a kind of electric parameter measurement instrument.The utility model solves the problems, such as prior art precision deficiency, including power circuit, data pipe display circuit, analogue signal acquisition circuit, monitoring signal Acquisition Circuit and processor module, the A phase electricity outputs end of the input of the power circuit and three phase mains connects, the digital power end of power circuit powers to data pipe display circuit and processor module, the B phase electricity output ends of three phase mains and the connection of the input of C phase electricity output ends and analogue signal acquisition circuit, the output end of analogue signal acquisition circuit electrically connects with processor module, the signal output part of power circuit also electrically connects with the processor module, the input of the monitoring signal Acquisition Circuit and the digital power end of power circuit connect, the output end of monitoring signal Acquisition Circuit electrically connects with processor module, processor module electrically connects with data pipe display circuit.
Description
Technical field
The utility model belongs to test table, more particularly to a kind of electric parameter measurement instrument.
Background technology
In the safety testing field of electric equipment products, the accurate measurement of electric equipment products internal operating voltages is that product is electrically strong
The premise that degree and creep age distance and electric clearance measure, for also having clear and definite definition in operating voltage standard（Operating voltage：Device
Tool is to determine voltage and when running in normal working conditions, ceiling voltage that the part of consideration is born）, due in work electricity
2 measured output impedances are unknown during pressure test, therefore in measurement process, it may appear that different instrument hinders because of input
It is anti-different and test result differs, and fallen far short with the operating voltage of reality, just at present for, general desk-top universal meter
Input impedance for 200k or so, the input impedance of handheld multimeter is 1M Ω or so, it is impossible to meets that operating voltage test will
To ask, the test of operating voltage at present also has to be carried out using oscillograph, although 100:1 oscillograph inquires into the main anti-up to 66M of input
Ω, but the requirement of operating voltage measurement is unable to reach in terms of its measuring accuracy.More important is equipment complexity is high, volume compared with
Greatly, install relatively complicated.
China Patent Publication No. CN203012007U, publication date on June 19th, 2013, a kind of novel voltmeter is disclosed,
Including：Shell body, the shell body inside are provided with pointer voltage table unit sum word formula voltage table unit, the pointer-type electricity
Press table unit and digital voltage table unit in parallel, the pointer voltage table unit is provided with needle dc voltmeter switch, institute
Digital voltage table unit is stated to switch provided with digital voltmeter.This technical scheme like the prior art, equipment complexity
Height, volume is larger, and installation is relatively complicated.
Utility model content
The utility model purpose is solve the problems, such as current measurement apparatus equipment complexity, there is provided a kind of electrical parameter measuring instrument
Table.
Technical scheme is used by the utility model solves its technical problem：A kind of electric parameter measurement instrument, it is overall by
Three phase mains power, including power circuit, data pipe display circuit, analogue signal acquisition circuit, monitoring signal Acquisition Circuit and
Processor module, the input of the power circuit connect with the A phase electricity outputs end of three phase mains, the digital power of power circuit
End powers to data pipe display circuit and processor module, and B phase electricity output ends and C phase electricity output ends and the simulation of three phase mains are believed
The input connection of number Acquisition Circuit, the output end of analogue signal acquisition circuit electrically connect with processor module, power circuit
Signal output part also electrically connects with the processor module, the input of the monitoring signal Acquisition Circuit and the number of power circuit
Word power end connects, and the output end of monitoring signal Acquisition Circuit electrically connects with processor module, and processor module shows with data pipe
Show that circuit electrically connects.The utility model employs easy structure, and circuit is simple, builds conveniently, for monitoring power load
Voltage, electric current, active power and power factor, possess the advantages that small volume, easy for installation.Such as the inlet wire distribution of installation at home
In case, the electricity consumption situation of current family can be monitored in real time.Power consumption for measuring a certain equipment etc. can also be directly used in.
Preferably, also including program upgrade interface and RS232 spare interfaces, described program upgrade interface and RS232 are pre-
Interface is stayed to be electrically connected with the processor module.
Preferably, the processor module includes ATMEGA48 chips, the pins of ATMEGA48 chips respectively with program
Upgrade interface and RS232 spare interfaces, data pipe display circuit, analogue signal acquisition circuit, monitoring signal Acquisition Circuit are electrically connected
Connect.In this way, effective Interface Expanding can be carried out, follow-up extension is facilitated to upgrade.
Preferably, the power circuit includes voltage stabilizing chip U2 and electric capacity C1, electric capacity C2, electric capacity C5, electric capacity C6, electric capacity
C7, diode D6, diode D7, voltage-regulator diode D10, resistance R2, resistance R5, resistance R6, resistance R7, the three phase mains
A phase electricity output ends are connected by resistance R2 with diode D7 anode, and diode D7 negative electrode is grounded by resistance R7, diode
D7 negative electrode electrically connects with processor module, and the of the A phase electricity output ends of three phase mains and resistance R5 first end and electric capacity C1
One end is connected, and electric capacity C1 the second end and resistance R5 the second end are connected by resistance R6 with diode D6 anode, and two
Pole pipe D6 negative electrode is connected with voltage stabilizing chip U2 input, and diode D6 anode is connected with voltage-regulator diode D10 negative electrode,
Voltage-regulator diode D10 plus earth, diode D6 anode are also grounded by electric capacity C5, and diode D6 negative electrode passes through electric capacity
C2 is grounded, and voltage stabilizing chip U2 earth terminal ground connection, voltage stabilizing chip U2 output end is grounded by electric capacity C6 and electric capacity C7, voltage stabilizing core
Piece U2 output end is the digital power end of power circuit, and data pipe display circuit and processor module are powered, voltage stabilizing chip
U2 is SPX1117-3.3 chips.
Preferably, the analogue signal acquisition circuit includes resistance R3, resistance R8, resistance R4, resistance R9, diode D8
With diode D9, resistance R3 first end connects with the B phase electricity outputs end of three phase mains, resistance R3 the second end and processor die
Block is electrically connected, and resistance R3 the second end is connected with diode D8 negative electrode, and resistance R3 the second end also passes through resistance R8 and two poles
Pipe D8 anode connection, diode D8 plus earth, resistance R4 first end connect with the C phase electricity outputs end of three phase mains,
Resistance R4 the second end is electrically connected by diode D9 with processor module, and diode D9 negative electrode is also grounded by resistance R9.
Preferably, monitoring signal Acquisition Circuit includes resistance R10, resistance R11, resistance R12 and resistance R13, diode
Output of the first end of D11, resistance R10 first end, resistance R11 first end and resistance R13 with the voltage stabilizing chip U2
End connection, resistance R10 the second end and resistance R11 the second end are connected with an input and output pin of processor module,
Resistance R13 the second end is also connected with an input and output pin of processor module, and resistance R10 the second end passes through diode
D11 is grounded, and resistance R13 the second end is grounded by resistance R12.
Substantial effect of the present utility model is：The utility model employs easy structure, and circuit is simple, the side of building
Just, for monitoring voltage, electric current, active power and the power factor of power load, possesses the advantages that small volume, easy for installation.
In the inlet wire distribution box of installation at home, the electricity consumption situation of current family can be monitored in real time.Measurement can also be directly used in
Power consumption of a certain equipment etc..
Brief description of the drawings
Fig. 1 is a kind of electrical block diagram of processor module in the present embodiment；
Fig. 2 is a kind of electrical block diagram of power circuit in the present embodiment；
Fig. 3 is a kind of electrical block diagram of analogue signal acquisition circuit in the present embodiment；
Fig. 4 is a kind of electrical block diagram of monitoring signal Acquisition Circuit in the present embodiment；
Fig. 5 is a kind of circuit frame schematic diagram of the present embodiment.
In figure：1st, processor module, 2, three phase mains, 3, power circuit, 4, monitoring signal Acquisition Circuit, 5, analog signal
Acquisition Circuit, 6, data pipe display circuit.
Embodiment
Below by specific embodiment, with reference to accompanying drawing, the technical solution of the utility model is described in further detail.
Embodiment：
A kind of electric parameter measurement instrument（Referring to accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4 and accompanying drawing 5）, it is overall by three phase mains
2 power supplies, including power circuit 3, data pipe display circuit 6, analogue signal acquisition circuit 5, monitoring signal Acquisition Circuit 4 and processing
Device module 1, the input of the power circuit connect with the A phase electricity outputs end of three phase mains, the digital power end of power circuit
Data pipe display circuit and processor module are powered, the B phase electricity output ends of three phase mains and C phase electricity output ends and analog signal
The input connection of Acquisition Circuit, the output end of analogue signal acquisition circuit electrically connect with processor module, the letter of power circuit
Number output end also electrically connects with the processor module, the input of the monitoring signal Acquisition Circuit and the numeral of power circuit
Power end is connected, and the output end of monitoring signal Acquisition Circuit electrically connects with processor module, and processor module is shown with data pipe
Circuit electrically connects.Also include program upgrade interface and RS232 spare interfaces, described program upgrade interface and RS232 spare interfaces
Electrically connected with the processor module.The processor module includes ATMEGA48 chips, the pin point of ATMEGA48 chips
Do not gathered with program upgrade interface and RS232 spare interfaces, data pipe display circuit, analogue signal acquisition circuit, monitoring signal
Circuit electrically connects.The power circuit includes voltage stabilizing chip U2 and electric capacity C1, electric capacity C2, electric capacity C5, electric capacity C6, electric capacity C7, two
Pole pipe D6, diode D7, voltage-regulator diode D10, resistance R2, resistance R5, resistance R6, resistance R7, the A phases electricity of the three phase mains
Output end is connected by resistance R2 with diode D7 anode, and diode D7 negative electrode is grounded by resistance R7, diode D7's
Negative electrode electrically connects with processor module, A phase electricity output ends and resistance R5 first end and the electric capacity C1 first end of three phase mains
Connection, electric capacity C1 the second end and resistance R5 the second end are connected by resistance R6 with diode D6 anode, diode
D6 negative electrode is connected with voltage stabilizing chip U2 input, and diode D6 anode is connected with voltage-regulator diode D10 negative electrode, voltage stabilizing
Diode D10 plus earth, diode D6 anode are also grounded by electric capacity C5, and diode D6 negative electrode is connect by electric capacity C2
Ground, voltage stabilizing chip U2 earth terminal ground connection, voltage stabilizing chip U2 output end are grounded by electric capacity C6 and electric capacity C7, voltage stabilizing chip U2
Output end be power circuit digital power end, data pipe display circuit and processor module are powered, voltage stabilizing chip U2 is
SPX1117-3.3 chips.The analogue signal acquisition circuit includes resistance R3, resistance R8, resistance R4, resistance R9, diode D8
With diode D9, resistance R3 first end connects with the B phase electricity outputs end of three phase mains, resistance R3 the second end and processor die
Block is electrically connected, and resistance R3 the second end is connected with diode D8 negative electrode, and resistance R3 the second end also passes through resistance R8 and two poles
Pipe D8 anode connection, diode D8 plus earth, resistance R4 first end connect with the C phase electricity outputs end of three phase mains,
Resistance R4 the second end is electrically connected by diode D9 with processor module, and diode D9 negative electrode is also grounded by resistance R9.
Monitoring signal Acquisition Circuit include resistance R10, resistance R11, resistance R12 and resistance R13, diode D11, the first of resistance R10
The output end of end, resistance R11 first end and resistance R13 first end with the voltage stabilizing chip U2 is connected, and the of resistance R10
Two ends and resistance R11 the second end are connected with an input and output pin of processor module, resistance R13 the second end also with
The input and output pin connection of processor module, resistance R10 the second end is grounded by diode D11, and the of resistance R13
Two ends are grounded by resistance R12.
The present embodiment employs easy structure, and circuit is simple, builds conveniently, for monitoring voltage, the electricity of power load
Stream, active power and power factor, possess the advantages that small volume, easy for installation., can in the inlet wire distribution box of installation at home
To monitor the electricity consumption situation of current family in real time.Power consumption for measuring a certain equipment etc. can also be directly used in.Remaining circuit, it is
The circuit common that those skilled in the art can obtain, it will not go into details in the present embodiment.
Embodiment described above is a kind of preferable scheme of the present utility model, not the utility model is made any
Formal limitation, there are other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (6)
1. a kind of electric parameter measurement instrument, overall to be powered by three phase mains, it is characterised in that：Show including power circuit, data pipe
Show circuit, analogue signal acquisition circuit, monitoring signal Acquisition Circuit and processor module, the input of the power circuit and three
The A phase electricity outputs end connection of phase power supply, the digital power end of power circuit power to data pipe display circuit and processor module,
The B phase electricity output ends of three phase mains and the connection of the input of C phase electricity output ends and analogue signal acquisition circuit, collection of simulant signal
The output end of circuit electrically connects with processor module, and the signal output part of power circuit also electrically connects with the processor module,
The input of the monitoring signal Acquisition Circuit and the digital power end of power circuit connect, the output of monitoring signal Acquisition Circuit
End electrically connects with processor module, and processor module electrically connects with data pipe display circuit.
2. electric parameter measurement instrument according to claim 1, it is characterised in that：Also include program upgrade interface and RS232
Spare interface, described program upgrade interface and RS232 spare interfaces electrically connect with the processor module.
3. electric parameter measurement instrument according to claim 2, it is characterised in that：The processor module includes ATMEGA48
Chip, the pins of ATMEGA48 chips respectively with program upgrade interface and RS232 spare interfaces, data pipe display circuit, simulation
Signal acquisition circuit, the electrical connection of monitoring signal Acquisition Circuit.
4. electric parameter measurement instrument according to claim 2, it is characterised in that：The power circuit includes voltage stabilizing chip U2
With electric capacity C1, electric capacity C2, electric capacity C5, electric capacity C6, electric capacity C7, diode D6, diode D7, voltage-regulator diode D10, resistance R2,
Resistance R5, resistance R6, resistance R7, the A phase electricity output ends of the three phase mains are connected by resistance R2 with diode D7 anode,
Diode D7 negative electrode is grounded by resistance R7, and diode D7 negative electrode electrically connects with processor module, the A phases electricity of three phase mains
Output end is connected with resistance R5 first end and electric capacity C1 first end, and electric capacity C1 the second end and resistance R5 the second end are equal
It is connected by resistance R6 with diode D6 anode, diode D6 negative electrode is connected with voltage stabilizing chip U2 input, diode
D6 anode is connected with voltage-regulator diode D10 negative electrode, voltage-regulator diode D10 plus earth, and diode D6 anode is also logical
Electric capacity C5 ground connection is crossed, diode D6 negative electrode is grounded by electric capacity C2, voltage stabilizing chip U2 earth terminal ground connection, voltage stabilizing chip U2's
Output end is grounded by electric capacity C6 and electric capacity C7, and voltage stabilizing chip U2 output end is the digital power end of power circuit, to data
Pipe display circuit and processor module power supply, voltage stabilizing chip U2 is SPX1117-3.3 chips.
5. electric parameter measurement instrument according to claim 2, it is characterised in that：The analogue signal acquisition circuit includes electricity
Hinder R3, resistance R8, resistance R4, resistance R9, diode D8 and diode D9, resistance R3 first end and the B phases electricity of three phase mains
Output end connects, and resistance R3 the second end electrically connects with processor module, and resistance R3 the second end connects with diode D8 negative electrode
Connect, resistance R3 the second end is also connected by resistance R8 with diode D8 anode, diode D8 plus earth, resistance R4's
First end and the C phase electricity outputs end of three phase mains are connected, and resistance R4 the second end is electrically connected by diode D9 with processor module
Connect, diode D9 negative electrode is also grounded by resistance R9.
6. electric parameter measurement instrument according to claim 4, it is characterised in that：Monitoring signal Acquisition Circuit includes resistance
R10, resistance R11, resistance R12 and resistance R13, diode D11, resistance R10 first end, resistance R11 first end and resistance
Output end of the R13 first end with the voltage stabilizing chip U2 is connected, and resistance R10 the second end and resistance R11 the second end are equal
It is connected with an input and output pin of processor module, resistance R13 the second end is also defeated with an input of processor module
Go out pin connection, resistance R10 the second end is grounded by diode D11, and resistance R13 the second end is grounded by resistance R12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720360980.5U CN206788262U (en) | 2017-04-07 | 2017-04-07 | Electric parameter measurement instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720360980.5U CN206788262U (en) | 2017-04-07 | 2017-04-07 | Electric parameter measurement instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206788262U true CN206788262U (en) | 2017-12-22 |
Family
ID=60705860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720360980.5U Active CN206788262U (en) | 2017-04-07 | 2017-04-07 | Electric parameter measurement instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206788262U (en) |
-
2017
- 2017-04-07 CN CN201720360980.5U patent/CN206788262U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180308 Address after: Hangzhou City, Zhejiang province Gongshu District 310011 Moganshan Road No. 478 Patentee after: HANGZHOU RUIAO INSTRUMENT CO., LTD. Address before: 323000 Green Valley Information Industrial Park in Zhejiang province Lishui city Liandu District Tianning Incubator Building 3 Patentee before: Li Zhanping |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220427 Address after: 322000 first floor, block B, No. 288, Yangcun Road, Houjiang street, Yiwu City, Jinhua City, Zhejiang Province Patentee after: Zhejiang Guigu Technology Co.,Ltd. Address before: 310011 No. 478 Moganshan Road, Gongshu District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU RUIAO ELECTRONIC Co.,Ltd. |
|
| TR01 | Transfer of patent right |