CN109143145A - A kind of ac voltage withstanding detection system suitable for intelligent electric energy meter and power information acquisition terminal - Google Patents
A kind of ac voltage withstanding detection system suitable for intelligent electric energy meter and power information acquisition terminal Download PDFInfo
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- CN109143145A CN109143145A CN201811134274.4A CN201811134274A CN109143145A CN 109143145 A CN109143145 A CN 109143145A CN 201811134274 A CN201811134274 A CN 201811134274A CN 109143145 A CN109143145 A CN 109143145A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
Abstract
The invention discloses a kind of ac voltage withstanding detection systems suitable for intelligent electric energy meter and power information acquisition terminal, including industrial personal computer, ac voltage withstanding tester and ac voltage withstanding test-bed body, the industrial personal computer is connect with the control terminal of ac voltage withstanding tester, generates different grades of voltage output according to different resistance test scheme control ac voltage withstanding testers；The industrial personal computer is connect with the control terminal of ac voltage withstanding test-bed body, the crimping and release and the disconnection of high-voltage relay of control ac voltage withstanding test-bed body different epitopes and closure；Ac voltage withstanding tester is connect with ac voltage withstanding test-bed body, gives the different grades of voltage output of generation to ac voltage withstanding test-bed body；Ac voltage withstanding test-bed body includes four detection stations, four sets of high-voltage relay switch units corresponding with four detection stations.Under the premise of guarantee test is accurate, automatic connection may be implemented, and the automatic detection of different measuring equipment difference testing schemes can be realized by chip selection signal.
Description
Technical field
The present invention relates to Electric Energy Metering Technology fields, especially a kind of to be suitable for intelligent electric energy meter and power information acquisition eventually
The ac voltage withstanding detection system at end.
Background technique
It needs to carry out pressure test to it to detect the dielectric strength of intelligent electric energy meter and power information acquisition terminal, with
Ensure equipment and personal safety, existing detection means mainly passes through ac voltage withstanding tester will be in regulation using artificial wiring
Corresponding connecting terminal is reliably connected, and reliable ground is to ensure equipment safety.Three characteristics of the middle term intelligent meter, special transformer acquisition terminal
More with I type concentrator testing terminal, and pressure-resistant scheme is more, easily there is the case where connector wiring fault in when test, causes to set
Standby damage.And if someone is close during the test, touches equipment and easily causes personal injury.
Summary of the invention
The object of the present invention is to provide a kind of suitable for the inspection of the ac voltage withstanding of intelligent electric energy meter and power information acquisition terminal
Examining system, to solve existing electrical energy measurement secondary device (intelligent electric energy meter and power information acquisition terminal) pressure test wiring
Cumbersome, the multiple wiring of same equipment needs is come the technical issues of completing different pressure-resistant schemes, and can not be automatically performed test.
To achieve the above object, the present invention adopts the following technical solutions:
The present invention provides a kind of ac voltage withstanding detection system suitable for intelligent electric energy meter and power information acquisition terminal,
Including industrial personal computer, ac voltage withstanding tester and ac voltage withstanding test-bed body, the control of the industrial personal computer and ac voltage withstanding tester
End connection generates different grades of voltage output according to different resistance test scheme control ac voltage withstanding testers；The work
Control machine is connect with the control terminal of ac voltage withstanding test-bed body, control ac voltage withstanding test-bed body different epitopes crimping and release with
And the disconnection and closure of high-voltage relay；Ac voltage withstanding tester is connect with ac voltage withstanding test-bed body, by the difference etc. of generation
The voltage output of grade gives ac voltage withstanding test-bed body；Ac voltage withstanding test-bed body includes four detection stations and four detection works
The corresponding four sets of high-voltage relay switch units in position；Four detection stations include: the first detection station for single-phase
The detection of intelligent electric energy meter and II type concentrator；Second detection station is used for the detection of three-phase direct access intelligent electric energy meter；
Third detection station is used for detection of the three-phase through mutual inductor access type intelligent electric energy meter；4th detection station is used for I type concentrator
The detection of acquisition terminal and III type special transformer acquisition terminal；Four sets of high-voltage relay switch units include that the switching of the first high-voltage relay is single
Member, the second high-voltage relay switch unit, third high-voltage relay switch unit and the 4th high-voltage relay switch unit.
Further, the ac voltage withstanding test-bed body further includes high-voltage relay feedback sense circuit, the high pressure after
Electric appliance feedback sense circuit respectively with the first high-voltage relay switch unit, the second high-voltage relay switch unit, third high pressure
Whether correct relay switch unit and the connection of the 4th high-voltage relay switch unit detect corresponding high-voltage relay folding.
Further, the ac voltage withstanding test-bed body further includes automatic crimping detection unit, is sentenced using position sensor
Whether disconnected detection device is moved to designated position, judges the forceful electric power and light current terminal of intelligent electric energy meter or power information acquisition terminal
Whether crimp normal.
Further, the ac voltage withstanding test-bed body includes outer housing, the detection station, right respectively with detection station
The high-voltage relay switch unit answered is set to inside outer housing, and there are two echelettes for the setting of outer housing left and right sides, red
For the plane that outer grating is formed the following are attaching space is forbidden, echelette detects people or object close to equipment during the test
When cut off the power immediately.
Further, the first high-voltage relay switch unit include 12 terminals: terminal 1 arrive terminal 12, terminal 1 to
Terminal 4 is connect after concatenating with one end of relay K1-1, the other end of relay K1-1 and one end of relay K1-2 and high pressure
End connection, the other end of relay K1-2 are connect after successively connecting with relay K1-4 and relay K1-3 with low-pressure end, terminal
5, terminal 6 is set between relay K1-2 and relay K1-4, and terminal 7 to terminal 12 is arranged in relay K1-4 and relay
Between K1-3.
Further, the second high-voltage relay switch unit include 26 terminals: terminal 1 to terminal 10 concatenate after with
One end of relay K2-1 connects, and the other end of relay K2-1 is connect with high-voltage end, after terminal 13 to the concatenation of terminal 17 with it is low
Press bond, terminal 19 to terminal 28 are connect after concatenating with one end of relay K2-2, the other end and low pressure of relay K2-2
End connection.
Further, the third high-voltage relay switch unit include 28 terminals: terminal 1 to terminal 28, terminal 1,
Terminal 3, terminal 4, terminal 6, terminal 7, terminal 9 are serially connected between relay K3-2 and relay K3-5, relay K3-2 and height
Press bond, relay K3-5 are connect with low-pressure end, terminal 2, terminal 5, terminal 8, terminal 10 respectively with relay k3-3 one
End connection, the other end of relay K3-3 are connect with high-voltage end, one end after terminal 13 to the concatenation of terminal 17 with relay K3-1
Connection, the other end of relay K3-1 are connect with high-voltage end, are connected after terminal 19 to the concatenation of terminal 28 with one end of relay K3-4
It connects, the other end of relay K3-4 is connect with low-pressure end.
Further, the 4th high-voltage relay switch unit include 38 terminals: terminal 1 to terminal 38, terminal 1,
Terminal 3, terminal 4, terminal 6, terminal 7, terminal 9 are serially connected between relay K4-2 and relay K4-11, relay K4-2 and height
Press bond, relay K4-11 are connect after connecting with relay K4-9, relay K4-8, relay K4-7 with low-pressure end；Terminal
2, terminal 5, terminal 8, terminal 10 are serially connected between relay K4-1 and relay K4-12, relay K4-12 also with terminal 11 and
Terminal 12 connects；Terminal 13 to terminal 30 is serially connected between relay K4-3 and relay K4-10, relay K4-3 and high-voltage end
Connection, relay K4-10 are grounded after connecting with relay K-PE；Terminal 31, terminal 33, terminal 34 and terminal 36 respectively with relay
One end of device K4-4 is connected with one end of relay K4-8, and another termination high-voltage end of relay K4-4, relay K4-8's is another
One termination low-pressure end；Terminal 32, terminal 35 are connect with one end of relay K4-5 and relay K4-9, and relay K4-5's is another
End is connect with high-voltage end；Terminal 37, terminal 38 are connect with one end of one end of relay K4-6 and relay K4-7 respectively, relay
The other end of device K4-6 is connect with high-voltage end.
The effect provided in summary of the invention is only the effect of embodiment, rather than invents all whole effects, above-mentioned
A technical solution in technical solution have the following advantages that or the utility model has the advantages that
The present invention provides a kind of ac voltage withstanding detection system suitable for intelligent electric energy meter and power information acquisition terminal,
Under the premise of guarantee test is accurate, automatic connection may be implemented, and can realize that different measuring equipment differences are surveyed by chip selection signal
The automatic detection of examination scheme, and have the function of that infrared induction automatically powers off.It can be in the premise for ensuring equipment and personal safety
Under, detection time is significantly saved, detection efficiency is improved.
Detailed description of the invention
Fig. 1 is ac voltage withstanding detection system structure chart of the present invention；
Fig. 2 is the first high-voltage relay switch unit circuit diagram；
Fig. 3 is the second high-voltage relay switch unit circuit diagram；
Fig. 4 is third high-voltage relay switch unit circuit diagram；
Fig. 5 is the 4th high-voltage relay switch unit circuit diagram；
Wherein, 1, industrial personal computer, 2, ac voltage withstanding tester, 3, ac voltage withstanding test-bed body, the 4, first high-voltage relay are cut
Change unit, the 5, second high-voltage relay switch unit, 6, third high-voltage relay switch unit, the switching of the 7, the 4th high-voltage relay
Unit.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this hair
It is bright to be described in detail.Following disclosure provides many different embodiments or example is used to realize different knots of the invention
Structure.In order to simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.In addition, the present invention can be with
Repeat reference numerals and/or letter in different examples.This repetition is that for purposes of simplicity and clarity, itself is not indicated
Relationship between various embodiments and/or setting is discussed.It should be noted that illustrated component is not necessarily to scale in the accompanying drawings
It draws.Present invention omits the descriptions to known assemblies and treatment technology and process to avoid the present invention is unnecessarily limiting.
As shown in Figure 1, a kind of ac voltage withstanding detection system suitable for intelligent electric energy meter and power information acquisition terminal, packet
Include industrial personal computer 1, ac voltage withstanding tester 2 and ac voltage withstanding test-bed body 3, the control of the industrial personal computer 1 and ac voltage withstanding tester 2
End connection processed generates different grades of voltage output according to different resistance test scheme control ac voltage withstanding testers；It is described
Industrial personal computer 1 is connect with the control terminal of ac voltage withstanding test-bed body 3, is controlled the crimping of ac voltage withstanding test-bed body different epitopes and is released
It puts and the disconnection and closure of high-voltage relay；Ac voltage withstanding tester 2 is connect with ac voltage withstanding test-bed body 3, by generation
Different grades of voltage output is to ac voltage withstanding test-bed body 3；Ac voltage withstanding test-bed body 3 includes four detection stations and four
The corresponding four sets of high-voltage relay switch units of a detection station；Four detection stations include: that the first detection station is used for
The detection of single-phase intelligent electric energy meter and II type concentrator；Second detection station is used for the inspection of three-phase direct access intelligent electric energy meter
It surveys；Third detection station is used for detection of the three-phase through mutual inductor access type intelligent electric energy meter；4th detection station is concentrated for I type
The detection of device acquisition terminal and III type special transformer acquisition terminal；Four sets of high-voltage relay switch units switch including the first high-voltage relay
Unit 4, the second high-voltage relay switch unit 5, third high-voltage relay switch unit 6 and the 4th high-voltage relay switch unit
7.Ac voltage withstanding tester 2, ac voltage withstanding test-bed body 3 and the indoor grounding copper bar of experiment are reliably connected.Ac voltage withstanding test
Stage body 3 is built-in with serial server, and for realizing industrial personal computer 2 and ac voltage withstanding test-bed body 3, industrial personal computer 1 and ac voltage withstanding are surveyed
Try the data exchange and signal transmitting between instrument 2.
Ac voltage withstanding test-bed body further includes high-voltage relay feedback sense circuit, high-voltage relay feedback sense circuit point
Not with the first high-voltage relay switch unit, the second high-voltage relay switch unit, third high-voltage relay switch unit and
Whether correct the connection of four high-voltage relay switch units detects corresponding high-voltage relay folding.
Ac voltage withstanding test-bed body further includes automatic crimping detection unit, whether judges detection device using position sensor
It is moved to designated position, judges whether the forceful electric power of intelligent electric energy meter or power information acquisition terminal and light current terminal crimp normally.
Ac voltage withstanding test-bed body includes outer housing, the detection station, high-voltage relay corresponding with detection station
Device switch unit is set to inside outer housing, and the setting of outer housing left and right sides is formed there are two echelette, echelette
For plane the following are attaching space is forbidden, echelette cuts off electricity when detecting people or object during the test close to equipment immediately
Source.
As shown in Fig. 2, the first high-voltage relay switch unit includes 12 terminals: terminal 1 arrives terminal 12, terminal 1 to end
It is connect after 4 concatenation of son with one end of relay K1-1, the other end of relay K1-1 and one end of relay K1-2 and high-voltage end
Connection, the other end of relay K1-2 are connect after successively connecting with relay K1-4 and relay K1-3 with low-pressure end, terminal 5,
Terminal 6 is set between relay K1-2 and relay K1-4, and terminal 7 to terminal 123 is arranged in relay K1-4 and relay
Between K1-3.
First high-voltage relay switch unit can carry out voltage-withstand test to II type concentrator acquisition terminal, be concentrated according to II type
3 groups of testing schemes are arranged in device acquisition terminal demand of technical standard in industrial personal computer 1, as follows:
Testing scheme one: 2kV, the high-voltage relay for needing to be closed at this time have K1-1 to voltage circuit over the ground；
Testing scheme two: 0.5kV, the high-voltage relay for needing to be closed at this time have auxiliary terminal over the ground
K1-2,K1-4；
Testing scheme three: 0.5kV between voltage circuit and auxiliary terminal, the high-voltage relay for needing to be closed at this time have K1-
1,K1-3,K1-4。
First high-voltage relay switch unit can also carry out voltage-withstand test to single-phase intelligent electric energy meter, according to intelligent electric energy meter
1 group of testing scheme is arranged in demand of technical standard in industrial personal computer 1, as follows:
Testing scheme one: voltage circuit, current loop, voltage are more than the auxiliary terminal 4kV over the ground of 40V, need to close at this time
The high-voltage relay of conjunction has K1-1, K1-2, K1-3.
As shown in figure 3, the second high-voltage relay switch unit include 26 terminals: terminal 1 to terminal 10 concatenate after with after
One end of electric appliance K2-1 connects, and the other end of relay K2-1 is connect with high-voltage end, after terminal 13 to the concatenation of terminal 17 with high pressure
End connection, terminal 19 to terminal 28 are connect after concatenating with one end of relay K2-2, the other end and low-pressure end of relay K2-2
Connection.
Second high-voltage relay switch unit can carry out voltage-withstand test to three-phase direct access intelligent electric energy meter, according to intelligence
Energy electric energy meter demand of technical standard, is arranged 1 group of testing scheme in industrial personal computer 1, as follows:
Testing scheme one: voltage circuit, current loop, voltage are more than the auxiliary terminal 4kV over the ground of 40V, need to close at this time
The high-voltage relay of conjunction has K2-1, K2-2.
As shown in figure 4, third high-voltage relay switch unit includes 28 terminals: terminal 1 to terminal 28, terminal 1, terminal
3, terminal 4, terminal 6, terminal 7, terminal 9 are serially connected between relay K3-2 and relay K3-5, relay K3-2 and high-voltage end
Connection, relay K3-5 are connect with low-pressure end, and terminal 2, terminal 5, terminal 8, terminal 10 connect with one end of relay k3-3 respectively
It connecing, the other end of relay K3-3 is connect with high-voltage end, and terminal 13 to terminal 17 is connect after concatenating with one end of relay K3-1,
The other end of relay K3-1 is connect with high-voltage end, and terminal 19 to terminal 28 is connect after concatenating with one end of relay K3-4, after
The other end of electric appliance K3-4 is connect with low-pressure end.
Third high-voltage relay switch unit can carry out voltage-withstand test, root through mutual inductor access type intelligent electric energy meter to three-phase
According to intelligent electric energy meter demand of technical standard, 2 groups of testing schemes are set in industrial personal computer 1, as follows:
Testing scheme one: voltage circuit, current loop, voltage are more than the auxiliary terminal 4kV over the ground of 40V, need to close at this time
The high-voltage relay of conjunction has K3-1, K3-2, K3-3, K3-4；
Testing scheme two: 2kV between voltage circuit and current loop, the high-voltage relay for needing to be closed at this time have K3-3,
K3-5。
As shown in figure 5, the 4th high-voltage relay switch unit includes 38 terminals: terminal 1 to terminal 38, terminal 1, terminal
3, terminal 4, terminal 6, terminal 7, terminal 9 are serially connected between relay K4-2 and relay K4-11, relay K4-2 and high-voltage end
Connection, relay K4-11 are connect after connecting with relay K4-9, relay K4-8, relay K4-7 with low-pressure end；Terminal 2, end
Son 5, terminal 8, terminal 10 are serially connected between relay K4-1 and relay K4-12, relay K4-12 also with terminal 11 and terminal
12 connections；Terminal 13 to terminal 30 is serially connected between relay K4-3 and relay K4-10, and relay K4-3 and high-voltage end connect
It connects, relay K4-10 is grounded after connecting with relay K-PE；Terminal 31, terminal 33, terminal 34 and terminal 36 respectively with relay
One end of K4-4 is connected with one end of relay K4-8, and another termination high-voltage end of relay K4-4, relay K4-8's is another
Terminate firewire；Terminal 32, terminal 35 are connect with one end of relay K4-5 and relay K4-9, the other end of relay K4-5 with
High-voltage end connection；Terminal 37, terminal 38 are connect with one end of one end of relay K4-6 and relay K4-7 respectively, relay
The other end of K4-6 is connect with high-voltage end.
4th high-voltage relay switch unit can carry out voltage-withstand test to I type concentrator acquisition terminal, according to I type concentrator
4 groups of testing schemes are arranged in acquisition terminal demand of technical standard in industrial personal computer 1, as follows:
Testing scheme one: 2kV, the high-voltage relay for needing to be closed at this time have K4-1 over the ground for voltage circuit, current loop,
K4-2,K-PE；
Testing scheme two: 0.5kV, the high-voltage relay for needing to be closed at this time have auxiliary terminal over the ground
K4-2,K-PE；
Testing scheme three: 2kV between voltage circuit and current loop, the high-voltage relay for needing to be closed at this time have K4-1,
K4-11；
Testing scheme four: 0.5kV between voltage circuit, current loop and auxiliary terminal, the high pressure for needing to be closed at this time after
Electric appliance has K4-1, K4-2, K4-11.
4th high-voltage relay switch unit can also specially become power information acquisition terminal to III type and carry out voltage-withstand test, according to
III type specially becomes power information acquisition terminal demand of technical standard, and 6 groups of testing schemes are arranged in industrial personal computer 1, as follows:
Testing scheme one: voltage circuit, current loop and control output end 2kV over the ground；
Testing scheme two: auxiliary terminal 0.5kV over the ground；
Testing scheme three: 2kV between voltage circuit, current loop and control output end；
Testing scheme four: 2kV between voltage circuit and current loop；
Testing scheme five: 0.5kV between voltage circuit, current loop and auxiliary terminal；
Testing scheme six: 1kV between output high-voltage relay dynamic circuit connector (normally opened) contact circuit.
(2) III tested type is specially become power information acquisition terminal to be placed on 4 stations 1.
(3) tested III type is set on industrial personal computer 1 and specially becomes the essential information of power information acquisition terminal, and is selected corresponding
Test mode is selected as automatically by station, while choosing testing scheme one.
(4) ac voltage withstanding test-bed body 3 is according to the selected station of industrial personal computer 1, automatic forceful electric power and the light current terminal of carrying out
Crimping, and carry out crimping reliable detection.
(5) ac voltage withstanding test-bed body 3 detect that equipment under test terminal all crimps can rearward, according to selected by industrial personal computer 1
Testing scheme one realize Fig. 2 in 1 to No. 12 terminal, the short circuit of 31 to No. 38 terminals, i.e. high-voltage relay K4-1, K4-2,
The closure of K4-4, K4-5, K4-6, K4-12, K-PE, remaining high-voltage relay maintain off-state.To realize voltage circuit,
Current loop and control output end carry out the wiring of ac voltage withstanding test over the ground.After the completion of high-voltage relay closure, height is utilized
High-voltage relay state is fed back to industrial personal computer 1 by potential relay feed circuit, to carry out further sentencing for high-voltage relay state
Disconnected and detection.
(6) after industrial personal computer 1 receives the reliable contacts signal of high-voltage relay, control ac voltage withstanding tester 2 generates 2kV electricity
Pressure, and test-bed body 3 is outputed it to, start pressure test, while detecting the leakage current in test loop.
(7) test period 1min, if detecting in test, leakage current is greater than 5mA, and ac voltage withstanding tester 2 stops immediately
Output, test stop.If monitoring leakage current in test no more than 5mA, after the test, industrial personal computer 1 is read to be handed over 1min
Maximum leakage current detected by the test in the process of pressure tester 3 is flowed, and it will be shown on the display screen of industrial personal computer.
(8) after the completion of testing scheme one, the high-voltage relay being closed in scheme one all discharges, and is in an off state, quasi-
It is standby to enter next testing scheme.
(9) according to the test of the process progress scheme two set in industrial personal computer 1, the high-voltage relay K4-3 being closed in Fig. 5,
Realize the connection of 13 to No. 30 terminals and high pressure, the K-PE being closed in Fig. 5, remaining high-voltage relay maintains off-state, realizes
Auxiliary terminal over the ground between carry out pressure test wiring.After the completion of high-voltage relay closure, electricity is fed back using high-voltage relay
High-voltage relay state is fed back to industrial personal computer 1 by road, to carry out the further judgment and detection of high-voltage relay state.
(10) after industrial personal computer 1 receives the reliable contacts signal of high-voltage relay, control ac voltage withstanding tester 2 is generated
0.5kV voltage, and test-bed body 3 is outputed it to, start pressure test, while detecting the leakage current in test loop.
(11) step (7), (8) are repeated, the test job of testing scheme two is completed.
(12) test of scheme three, the high-voltage relay K4- being closed in Fig. 5 are carried out according to the process set in industrial personal computer 1
1, K4-2, K4-7, K4-8, K4-9, K4-12, remaining high-voltage relay maintain off-state.Realize voltage circuit, current loop
The wiring of pressure test is carried out between of control output end.After the completion of high-voltage relay closure, fed back using high-voltage relay
High-voltage relay state is fed back to industrial personal computer 1 to carry out the further judgment and detection of high-voltage relay state by circuit.
(13) after industrial personal computer 1 receives the reliable contacts signal of high-voltage relay, control ac voltage withstanding tester 2 generates 2kV
Voltage, and test-bed body 3 is outputed it to, start pressure test, while detecting the leakage current in test loop.
(14) step (7), (8) are repeated, the test job of testing scheme three is completed.
(15) test of scheme four, the high-voltage relay K4- being closed in Fig. 2 are carried out according to the process set in industrial personal computer 1
1, K4-11, K4-12, remaining high-voltage relay maintain off-state.It realizes and carries out pressure-resistant examination between voltage circuit and current loop
The wiring tested.After the completion of high-voltage relay closure, high-voltage relay state is fed back into work using high-voltage relay feed circuit
Control machine, to carry out the further judgment and detection of high-voltage relay state.
(16) after industrial personal computer 1 receives the reliable contacts signal of high-voltage relay, control ac voltage withstanding tester 2 generates 2kV
Voltage, and test-bed body 3 is outputed it to, start pressure test, while detecting the leakage current in test loop.
(17) step (7), (8) are repeated, the test job of testing scheme four is completed.
(18) test of scheme five, the high-voltage relay K4- being closed in Fig. 5 are carried out according to the process set in industrial personal computer 1
1, K4-2, K4-10, K4-12, remaining high-voltage relay maintain off-state.Realize voltage circuit, current loop and auxiliary terminal
Between carry out pressure test wiring.After the completion of high-voltage relay closure, using high-voltage relay feed circuit by high-voltage relay
Device state feeds back to industrial personal computer 1, to carry out the further judgment and detection of high-voltage relay state.
(19) after industrial personal computer 1 receives the reliable contacts signal of high-voltage relay, control ac voltage withstanding tester 2 is generated
0.5kV voltage, and test-bed body 3 is outputed it to, start pressure test, while detecting the leakage current in test loop.
(20) step (7), (8) are repeated, the test job of testing scheme five is completed.
(21) test of scheme six, the high-voltage relay K4- being closed in Fig. 5 are carried out according to the process set in industrial personal computer 1
4, K4-9, remaining high-voltage relay maintains off-state.Realize output high-voltage relay dynamic circuit connector (normally opened) contact circuit between into
The wiring of row pressure test.After the completion of high-voltage relay closure, using high-voltage relay feed circuit by high-voltage relay state
Industrial personal computer 1 is fed back to, to carry out the further judgment and detection of high-voltage relay state.
(22) after industrial personal computer 1 receives the reliable contacts signal of high-voltage relay, control ac voltage withstanding tester 2 generates 1kV
Voltage, and test-bed body 3 is outputed it to, start pressure test, while detecting the leakage current in test loop.
(23) step (7), (8) are repeated, the test job of testing scheme six is completed.
(24) after the completion of all testing schemes, letter of the industrial personal computer 1 to the hair release equipment under test connecting terminal of test-bed body 3
Number, test-bed body 3 discharges the crimping of all forceful electric power and light current terminal of equipment under test, completes automatic voltage withstanding detection.
4th high-voltage relay switch unit can also carry out voltage-withstand test to I type concentrator acquisition terminal, be concentrated according to I type
4 groups of testing schemes are arranged in device acquisition terminal demand of technical standard in industrial personal computer 1, as follows:
Testing scheme one: 2kV, the high-voltage relay for needing to be closed at this time have K4-1 over the ground for voltage circuit, current loop,
K4-2,K-PE；
Testing scheme two: 0.5kV, the high-voltage relay for needing to be closed at this time have auxiliary terminal over the ground
K4-2,K-PE；
Testing scheme three: 2kV between voltage circuit and current loop, the high-voltage relay for needing to be closed at this time have K4-1,
K4-11；
Testing scheme four: 0.5kV between voltage circuit, current loop and auxiliary terminal, the high pressure for needing to be closed at this time after
Electric appliance has K4-1, K4-2, K4-11.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (8)
1. a kind of ac voltage withstanding detection system suitable for intelligent electric energy meter and power information acquisition terminal, characterized in that including
The control terminal of industrial personal computer, ac voltage withstanding tester and ac voltage withstanding test-bed body, the industrial personal computer and ac voltage withstanding tester connects
It connects, different grades of voltage output is generated according to different resistance test scheme control ac voltage withstanding testers；The industrial personal computer
It is connect with the control terminal of ac voltage withstanding test-bed body, the crimping and release of control ac voltage withstanding test-bed body different epitopes and height
The disconnection and closure of potential relay；Ac voltage withstanding tester is connect with ac voltage withstanding test-bed body, by the different grades of of generation
Voltage output gives ac voltage withstanding test-bed body；Ac voltage withstanding test-bed body includes four detection stations and four detection stations point
Not corresponding four sets of high-voltage relay switch units；Four detection stations include: the first detection station for single-phase intelligent electric energy
The detection of table and II type concentrator；Second detection station is used for the detection of three-phase direct access intelligent electric energy meter；Third detection
Station is used for detection of the three-phase through mutual inductor access type intelligent electric energy meter；4th detection station is used for I type concentrator acquisition terminal
With the detection of III type special transformer acquisition terminal；Four sets of high-voltage relay switch units include the first high-voltage relay switch unit, second
High-voltage relay switch unit, third high-voltage relay switch unit and the 4th high-voltage relay switch unit.
2. the system as claimed in claim 1, characterized in that the ac voltage withstanding test-bed body further includes high-voltage relay feedback
Detection circuit, the high-voltage relay feedback sense circuit respectively with the first high-voltage relay switch unit, the second high-voltage relay
Device switch unit, third high-voltage relay switch unit and the connection of the 4th high-voltage relay switch unit, detect corresponding high pressure after
Whether electric appliance folding is correct.
3. the system as claimed in claim 1, characterized in that the ac voltage withstanding test-bed body further includes that automatic crimping detection is single
Member judges whether detection device is moved to designated position using position sensor, judges intelligent electric energy meter or power information acquisition
Whether the forceful electric power and light current terminal of terminal crimp normally.
4. the system as claimed in claim 1, characterized in that the ac voltage withstanding test-bed body includes outer housing, the detection
Station, high-voltage relay switch unit corresponding with detection station are set to inside outer housing, outer housing left and right sides
There are two echelettes for setting, and the plane that echelette is formed is the following are attaching space is forbidden, and echelette is during the test
It cuts off the power immediately when detecting people or object close to equipment.
5. the system as claimed in claim 1, characterized in that the first high-voltage relay switch unit includes 12 terminals:
Terminal 1 arrives terminal 12, and terminal 1 to terminal 4 connect after concatenating with one end of relay K1-1, the other end of relay K1-1 and after
One end of electric appliance K1-2 is connected with high-voltage end, and the other end of relay K1-2 is successively connect with relay K1-4 and relay K1-3
It is connect afterwards with low-pressure end, terminal 5, terminal 6 are set between relay K1-2 and relay K1-4, and terminal 7 to terminal 123 is arranged
Between relay K1-4 and relay K1-3.
6. the system as claimed in claim 1, characterized in that the second high-voltage relay switch unit includes 26 terminals:
Terminal 1 is connect after concatenating to terminal 10 with one end of relay K2-1, and the other end of relay K2-1 is connect with high-voltage end, terminal
13 concatenated to terminal 17 after connect with high-voltage end, connect after terminal 19 to the concatenation of terminal 28 with one end of relay K2-2, relay
The other end of device K2-2 is connect with low-pressure end.
7. the system as claimed in claim 1, characterized in that the third high-voltage relay switch unit includes 28 terminals:
Terminal 1 to terminal 28, terminal 1, terminal 3, terminal 4, terminal 6, terminal 7, terminal 9 is serially connected in relay K3-2 and relay K3-5
Between, relay K3-2 is connect with high-voltage end, and relay K3-5 is connect with low-pressure end, and terminal 2, terminal 5, terminal 8, terminal 10 divide
It is not connect with one end of relay k3-3, the other end of relay K3-3 is connect with high-voltage end, after terminal 13 to terminal 17 concatenates
Connect with one end of relay K3-1, the other end of relay K3-1 is connect with high-voltage end, terminal 19 to terminal 28 concatenate after with
One end of relay K3-4 connects, and the other end of relay K3-4 is connect with low-pressure end.
8. the system as claimed in claim 1, characterized in that the 4th high-voltage relay switch unit includes 38 terminals:
Terminal 1 to terminal 38, terminal 1, terminal 3, terminal 4, terminal 6, terminal 7, terminal 9 is serially connected with relay K4-2 and relay K4-
Between 11, relay K4-2 is connect with high-voltage end, and relay K4-11 and relay K4-9, relay K4-8, relay K4-7 connect
It is connect after connecing with low-pressure end；Terminal 2, terminal 5, terminal 8, terminal 10 are serially connected between relay K4-1 and relay K4-12, after
Electric appliance K4-12 is also connect with terminal 11 and terminal 12；Terminal 13 to terminal 30 be serially connected with relay K4-3 and relay K4-10 it
Between, relay K4-3 is connect with high-voltage end, and relay K4-10 is grounded after connecting with relay K-PE；Terminal 31, terminal 33, end
Son 34 and terminal 36 are connect with one end of one end of relay K4-4 and relay K4-8 respectively, another termination of relay K4-4
High-voltage end, another termination low-pressure end of relay K4-8；Terminal 32, one end of terminal 35 and relay K4-5 and relay K4-9
Connection, the other end of relay K4-5 are connect with high-voltage end；Terminal 37, terminal 38 respectively with one end of relay K4-6 and relay
One end of device K4-7 connects, and the other end of relay K4-6 is connect with high-voltage end.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811134274.4A CN109143145B (en) | 2018-09-27 | 2018-09-27 | Alternating current voltage withstand detection system suitable for intelligent electric energy meter and electricity consumption information acquisition terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811134274.4A CN109143145B (en) | 2018-09-27 | 2018-09-27 | Alternating current voltage withstand detection system suitable for intelligent electric energy meter and electricity consumption information acquisition terminal |
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| CN109143145B CN109143145B (en) | 2022-05-27 |
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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 |
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| CN111638426A (en) * | 2020-05-20 | 2020-09-08 | 国网河北省电力有限公司电力科学研究院 | Test system and method for withstand voltage test of power distribution terminal |
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| CN107064853A (en) * | 2017-03-23 | 2017-08-18 | 山东电力研究院 | Electric energy meter pressure-resistant test system and method with test voltage automatic switching function |
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| JPS6117077A (en) * | 1984-07-02 | 1986-01-25 | Shikoku Keisoku Kogyo Kk | Connection apparatus for testing watt-hour meter |
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| CN109143145B (en) | 2022-05-27 |
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Effective date of registration: 20211210 Address after: No. 150, Jinger Road, Daguanyuan, Shizhong District, Jinan City, Shandong Province Applicant after: Shandong Electric Power Marketing Center Applicant after: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER Co. Applicant after: STATE GRID CORPORATION OF CHINA Address before: 250002 Wang Yue Road, Ji'nan City, Shandong Province, No. 2000 Applicant before: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER Co. Applicant before: State Grid Co., Ltd. |
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