CN207923991U - A kind of compound high-voltage bleeder - Google Patents
A kind of compound high-voltage bleeder Download PDFInfo
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- CN207923991U CN207923991U CN201721678772.6U CN201721678772U CN207923991U CN 207923991 U CN207923991 U CN 207923991U CN 201721678772 U CN201721678772 U CN 201721678772U CN 207923991 U CN207923991 U CN 207923991U
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Abstract
A kind of compound high-voltage bleeder, including insulator and IC divider connected to it and electrical parameter divider, the insulator includes major insulation body and its sealing cover and high-tension terminal that the internal high input voltage terminal being arranged, major insulation body upper and lower end parts are respectively set, and high input voltage terminal passes through the external Hi-pot test line of high-tension terminal.It is separated by the way that divider is measured access, ensure that two aspects can not interfere with each other, it is accurate to measure whole parameters.One divider of high pressure electrical parameter, one divider of ripple, harmonic wave and the distortion factor.It includes voltage, electric current that high pressure electrical parameter, which can accurately be measured, and the accurate DC ripple measured in high pressure, harmonic content are accurate to measure the high pressure distortion factor.Divider inputs high pressure, and the guarantee of enough creepage distances is safe to use, need not accurately measure parasitic capacitance, avoids parasitic capacitance from changing the influence to all measured values, finally meets《2016 proof voltage tester vertification regulations of jjg795》.
Description
Technical field
The utility model belongs to intelligence instrument field, and in particular to a kind of compound high-voltage bleeder.
Background technology
According to《Jjg795-2016 proof voltage tester vertification regulations》, new voltage resistant instrument tester, which need to have, accurately measures line
The ability of wave, harmonic wave, the distortion factor, on the market voltage resistant instrument tester be all made of traditional divider and measure, it is difficult to meet complete
The parameter measurement in portion is difficult to accurately measure the basic parameters such as voltage and current though existing Hi-pot test stick can measure ripple.
Basic reason is that the presence of parasitic capacitance, one side parasitic capacitance are to have to the measurement of voltage and current basic parameter
Harmful, it is easy to cause measured value and floats；The measurement of another aspect ripple is extracted by capacitive path again, so the two is
Relativeness.The matching of parasitic capacitance is needed to measure high-tension resistive and the accurate parasitic capacitance value of divider resistance, high pressure point
It needs to shield outside depressor, ensures without interruption, to reach stability requirement, shielding largely effects on the value of parasitic capacitance, so needing
Accurate match is wanted, ensures the consistency of production process.
Invention content
In view of the above-mentioned problems, the utility model proposes a kind of combine tipping bucket type silos.
To solve the above problems, the technical solution adopted in the utility model is：A kind of compound high-voltage bleeder, including it is exhausted
Edge body and IC divider connected to it and electrical parameter divider, for insulator for inputting high pressure, maximum 20000V is (nominal
15000V), IC divider are for measuring ripple, harmonic wave and the distortion factor, and electrical parameter divider is for measuring high tension voltage electric current, institute
The insulator stated include the high input voltage terminal of major insulation body and its internal setting, major insulation body upper and lower end parts be respectively set it is close
Capping and high-tension terminal, high input voltage terminal is by the external Hi-pot test line of high-tension terminal, and major insulation body is for input of insulating
High pressure, high input voltage terminal are introduced for high pressure, and sealing cover is sealed for high voltage insulator；
The IC divider include the shockproof cotton of IC divider insulator and its outside nesting, IC divider insulating layer and
The IC bleeder circuits that are arranged inside IC divider shielded layer and IC divider insulators, by IC divider insulators end
The bnc interface I of extraction, IC divider insulators are used for sealed insulation, and shockproof cotton is used for damping vibration, and IC divider insulating layers are used
In insulation screen, IC divider shielded layers are used to export the sampled signal after partial pressure for shielding IC divider, bnc interface I,
IC bleeder circuits are specially：Bnc interface I is connected to by IC divider high-tension resistive branches and high-voltage capacitance branch in parallel
High input voltage terminal, and bnc interface I passes through sampling resistor branch and matching capacitance branch power ground in parallel, IC divider
High-tension resistive is for dividing high pressure, and by ripple, matching capacitance is for matching high-voltage capacitance, parasitic capacitance；
The electrical parameter divider includes that the electrical parameter divider of electrical parameter divider insulator and its outside nesting is exhausted
The electrical parameter bleeder circuit that is arranged inside edge layer and electrical parameter voltage division shielding layer and electrical parameter divider insulator, by electricity
The bnc interface II that parameter divider insulator end is drawn, electrical parameter divider insulator are used for sealed insulation, electrical parameter partial pressure
Device insulating layer is used for insulation screen, and electrical parameter voltage division shielding layer is divided for shielding IC divider, bnc interface II for exporting
Sampled signal afterwards, electrical parameter bleeder circuit are specially：Bnc interface II is connected by electrical parameter divider high-tension resistive branch
To the common end of IC divider high-tension resistives branch, high-voltage capacitance branch and high input voltage terminal, electrical parameter divider high-voltage electricity
Resistance is for dividing high pressure.
The IC divider high-tension resistive branches include first resistor and second resistance series connection, and high-voltage capacitance branch includes
First capacitance to the n-th capacitance is connected, and sampling resistor branch includes 3rd resistor, matching capacitance branch include the (n+1)th capacitance, n-th+
2 capacitances and the n-th+3 capacitance are in parallel, and electrical parameter divider high-tension resistive branch includes the 4th resistance, and wherein n is：
The rated insulation voltage value of divider is nominal divider normal use highest pressure voltage, as divider design it is specified
Pressure voltage is 15kV, high-voltage capacitance CnRated insulation voltage value is 1000V, and the value of n is n >=23, further according to high-voltage capacitance type selecting
Amount of capacity specifically determines the value of n.
The external side of the major insulation is nested with fixed frame, is used for fixed potentiometer.
The utility model proposes a kind of combine tipping bucket type silos, are separated by the way that divider is measured access,
It ensure that two aspects can not interfere with each other, it is accurate to measure whole parameters.One divider of high pressure electrical parameter, ripple, harmonic wave and
One divider of the distortion factor.It includes voltage, electric current, the accurate direct current line measured in high pressure that high pressure electrical parameter, which can accurately be measured,
Wave, harmonic content, it is accurate to measure the high pressure distortion factor.Divider inputs high pressure, and the guarantee of enough creepage distances is safe to use, is not required to
Parasitic capacitance is accurately measured, avoids parasitic capacitance from changing the influence to all measured values, finally meets《Jjg795-2016 is resistance to
Voltage tester vertification regulation》.Accurate to measure, synchro measure is cost-effective, is readily produced, and performance is stablized, and simplifies.
Description of the drawings
Fig. 1 is structural schematic diagram；
Fig. 2 is circuit diagram.
Wherein, 11, IC divider insulators, 12, shockproof cotton, 13, IC divider insulating layers, 14, IC divider shielded layers,
15, bnc interface I, 16, IC bleeder circuits, 21, electrical parameter divider insulator, 22, electrical parameter divider insulating layer, 23, electricity
Parameter voltage division shielding layer, 24, electrical parameter bleeder circuit, 25, bnc interface II, 31, major insulation body, 32, high input voltage terminal,
33, sealing cover, 34, fixed frame, 35, high-tension terminal, R1, first resistor, R2, second resistance, R3, 3rd resistor, R4, the 4th electricity
Resistance, C1, the first capacitance, Cn, the n-th capacitance.
Specific implementation mode
As described in Figure, a kind of compound high-voltage bleeder, including insulator and IC divider connected to it and electrical parameter
Divider, insulator is for inputting high pressure, maximum 20000V (nominal 15000V), IC divider for measure ripple, harmonic wave and
The distortion factor, for electrical parameter divider for measuring high tension voltage electric current, the insulator includes that major insulation body 31 and its inside are set
The sealing cover 33 and high-tension terminal 35 that the high input voltage terminal 32 set, 31 upper and lower end parts of major insulation body are respectively set, high input voltage
Terminal 32 is used for the high pressure inputted that insulate, high input voltage terminal by 35 external Hi-pot test line of high-tension terminal, major insulation body 31
32 introduce for high pressure, and sealing cover 33 is sealed for high voltage insulator；
The IC divider include the shockproof cotton 12 of IC divider insulator 11 and its outside nesting, the insulation of IC divider
The IC bleeder circuits 16 of 11 inside setting of layer 13 and IC divider shielded layer 14 and IC divider insulator are divided by IC
The bnc interface I 15 that 11 end of device insulator is drawn, IC divider insulator 11 are used for sealed insulation, and shockproof cotton 12 is for buffering
Vibrations, IC divider insulating layer 13 are used for insulation screen, and IC divider shielded layer 14 is for shielding IC divider, bnc interface I
15 for exporting the sampled signal after dividing, and IC bleeder circuits 16 are specially：Bnc interface I 15 passes through IC divider in parallel
High-tension resistive branch and high-voltage capacitance branch are connected to high input voltage terminal 32, and bnc interface I 15 passes through sampling resistor in parallel
Branch and matching capacitance branch power ground, IC divider high-tension resistives are for dividing high pressure, and by ripple, matching capacitance is used for
Match high-voltage capacitance, parasitic capacitance；
The electrical parameter divider includes electrical parameter divider insulator 21 and its electrical parameter divider of outside nesting
The electrical parameter divider electricity that insulating layer 22 and 21 inside of electrical parameter voltage division shielding layer 23 and electrical parameter divider insulator are arranged
Road 24, the bnc interface II 25 drawn by 21 end of electrical parameter divider insulator, electrical parameter divider insulator 21 is for sealing
Insulation, electrical parameter divider insulating layer 22 are used for insulation screen, and electrical parameter voltage division shielding layer 23 is used to shield IC divider,
Bnc interface II 25 is used to export the sampled signal after partial pressure, and electrical parameter bleeder circuit 24 is specially：Bnc interface II 25 passes through
Electrical parameter divider high-tension resistive branch is connected to IC divider high-tension resistives branch, high-voltage capacitance branch and high input voltage terminal
32 common end, electrical parameter divider high-tension resistive is for dividing high pressure.
The IC divider high-tension resistive branches include first resistor R1With second resistance R2Series connection, high-voltage capacitance branch
Including the first capacitance C1To the n-th capacitance CnSeries connection, sampling resistor branch includes 3rd resistor R3, matching capacitance branch includes (n+1)th
Capacitance Cn+1, the n-th+2 capacitance Cn+2With the n-th+3 capacitance Cn+3Parallel connection, electrical parameter divider high-tension resistive branch include the 4th resistance
R4, wherein n is：
The rated insulation voltage value of divider is nominal divider normal use highest pressure voltage, as divider design it is specified
Pressure voltage is 15kV, high-voltage capacitance CnRated insulation voltage value is 1000V, and the value of n is n >=23, further according to high-voltage capacitance type selecting
Amount of capacity specifically determines the value of n.
31 outside of major insulation body is nested with fixed frame 34, is used for fixed potentiometer.
Claims (3)
1. a kind of compound high-voltage bleeder, it is characterised in that：Including insulator and IC divider connected to it and electrical parameter
Divider, the insulator include major insulation body (31) and its high input voltage terminal (32), the major insulation body of internal setting
(31) sealing cover (33) and high-tension terminal (35) that upper and lower end parts are respectively set, high input voltage terminal (32) pass through high-tension terminal
(35) external Hi-pot test line；
The IC divider include the shockproof cotton (12) of IC divider insulator (11) and its outside nesting, the insulation of IC divider
Layer (13) and the IC bleeder circuits (16) of the internal setting of IC divider shielded layer (14) and IC divider insulator (11),
The bnc interface I (15) drawn by IC divider insulator (11) end, IC bleeder circuits (16) are specially：Bnc interface I
(15) high input voltage terminal (32), and BNC are connected to by IC divider high-tension resistive branches and high-voltage capacitance branch in parallel
Interface I (15) passes through sampling resistor branch and matching capacitance branch power ground in parallel；
The electrical parameter divider includes that the electrical parameter divider of electrical parameter divider insulator (21) and its outside nesting is exhausted
The electrical parameter partial pressure being arranged inside edge layer (22) and electrical parameter voltage division shielding layer (23) and electrical parameter divider insulator (21)
Device circuit (24), the bnc interface II (25) drawn by electrical parameter divider insulator (21) end, electrical parameter bleeder circuit
(24) it is specially：Bnc interface II (25) is connected to IC divider high-tension resistive branch by electrical parameter divider high-tension resistive branch
Road, high-voltage capacitance branch and high input voltage terminal (32) common end.
2. a kind of compound high-voltage bleeder according to claim 1, it is characterised in that：The IC divider high-voltage electricity
It includes first resistor (R to hinder branch1) and second resistance (R2) series connection, high-voltage capacitance branch includes the first capacitance (C1) to the n-th capacitance
(Cn) series connection, sampling resistor branch includes 3rd resistor (R3), matching capacitance branch includes the (n+1)th capacitance (Cn+1), the n-th+2 capacitance
(Cn+2) and the n-th+3 capacitance (Cn+3) in parallel, electrical parameter divider high-tension resistive branch includes the 4th resistance (R4), wherein n is：
3. a kind of compound high-voltage bleeder according to claim 1 or 2, it is characterised in that：The major insulation body
(31) outside is nested with fixed frame (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721678772.6U CN207923991U (en) | 2017-12-06 | 2017-12-06 | A kind of compound high-voltage bleeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721678772.6U CN207923991U (en) | 2017-12-06 | 2017-12-06 | A kind of compound high-voltage bleeder |
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| Publication Number | Publication Date |
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| CN207923991U true CN207923991U (en) | 2018-09-28 |
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ID=63606377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721678772.6U Active CN207923991U (en) | 2017-12-06 | 2017-12-06 | A kind of compound high-voltage bleeder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633315A (en) * | 2018-12-18 | 2019-04-16 | 米艾西(福建)测控技术有限公司 | A kind of insulating cement method for filling for realizing bubble-free |
| AT524410A1 (en) * | 2020-11-09 | 2022-05-15 | Greenwood Power Gmbh | Arrangement of a measuring device |
-
2017
- 2017-12-06 CN CN201721678772.6U patent/CN207923991U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633315A (en) * | 2018-12-18 | 2019-04-16 | 米艾西(福建)测控技术有限公司 | A kind of insulating cement method for filling for realizing bubble-free |
| CN109633315B (en) * | 2018-12-18 | 2020-11-17 | 米艾西(福建)测控技术有限公司 | Insulation glue filling method for realizing no air bubble |
| AT524410A1 (en) * | 2020-11-09 | 2022-05-15 | Greenwood Power Gmbh | Arrangement of a measuring device |
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