CN208795783U - A kind of high voltage direct current generator and its Precision Test System - Google Patents
A kind of high voltage direct current generator and its Precision Test System Download PDFInfo
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- CN208795783U CN208795783U CN201821369843.9U CN201821369843U CN208795783U CN 208795783 U CN208795783 U CN 208795783U CN 201821369843 U CN201821369843 U CN 201821369843U CN 208795783 U CN208795783 U CN 208795783U
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- pressure cylinder
- high voltage
- direct current
- shell
- disk body
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Abstract
The utility model relates to high voltage direct current generator field more particularly to a kind of high voltage direct current generators and its Precision Test System, including control cabinet and times pressure cylinder, a times pressure cylinder include upper shell and lower shell；The bottom of attachment base is provided with foot prop disk, the foot prop disk includes flexible support foot, disk body and sliding rail, disk body is in the form of annular discs, three sliding rails are evenly arranged on the bottom of disk body and the orbital direction of sliding rail favours the radial direction of disk body, the flexible support foot being slidably matched with it is respectively arranged on each sliding rail, one end of flexible support foot is stretched out outside disk body and can be extended along the orbital direction of sliding rail.Pressure cylinder can make the disassembly of times pressure cylinder and Portability more preferable using the design of two-stage structure again for it, in addition, the foot prop disk of pressure cylinder is designed with telescopic structure again, making times pressure cylinder, stability is more preferable when standing upright；Finally, its Precision Test System uses the design of shielding line, so that the shell of microampere meter characteristic identical with the test terminal potential of test article, to improve test precision.
Description
Technical field
The utility model relates to high voltage direct current generator field more particularly to a kind of high voltage direct current generator and its accurate surveys
Test system.
Background technique
High voltage direct current generator is widely used in Zinc-Oxide Arrester, magnetic blowout arrester, power cable, generator, transformation
The electrical equipments DC high potential test such as device, breaker.DC generator is generally made of intermediate frequency power supply and a times pressure cylinder, times pressure cylinder
Design has decisive impact the performance and volume of ultra-high-voltage DC generator.At present about ultra-high-voltage DC generator
Research Literature it is seldom, a small amount of pertinent literature primarily focuses on the research to intermediate frequency power supply etc., lacks and designs pressure cylinder again
Research.It is mostly based on experience in the design method in relation to times pressure cylinder such as selection of multiplication of voltage component parameters is practical, thus
Cause a times science for pressure cylinder design method, reasonability insufficient, although circuit can be used the improper increase of volume or performance to deposit
In defect.
Existing multiplication of voltage barrel structure is generally used single-cylinder type structure, since it is with biggish length, to direct current height
The carrying of pressure generator brings inconvenience, in addition, the foot rest structure stability of existing high voltage direct current generator is bad, is unfavorable for
The upright arrangement of high voltage direct current generator.
Utility model content
To solve problems of the prior art, the purpose of the utility model is to provide a kind of high voltage direct current generator and
Its Precision Test System, pressure cylinder uses the design of two-stage structure again, and the disassembly of times pressure cylinder and Portability can be made more preferable, this
Outside, the foot prop disk of times pressure cylinder is designed with telescopic structure, and making times pressure cylinder, stability is more preferable when standing upright；Finally, its precision is surveyed
Test system uses the design of shielding line, so that the shell of microampere meter characteristic identical with the test terminal potential of test article, to mention
High test precision.
The purpose of this utility model is achieved through the following technical solutions:
A kind of high voltage direct current generator, including control cabinet and times pressure cylinder, a times pressure cylinder include upper shell and lower shell, upper shell
Coaxial line is connected to above lower shell, and high pressure is provided at the top of upper shell and draws binding post and equal pressure cap, in upper shell
Lower part is provided with attachment base, and cable interface and interface of the ground wire are provided on attachment base, and control cabinet is electrically connected by cable interface
Times pressure cylinder；The bottom of attachment base is provided with foot prop disk, which includes flexible support foot, disk body and sliding rail, and disk body is in disk
Shape, three sliding rails are evenly arranged on the bottom of disk body and the orbital direction of sliding rail favours the radial direction of disk body, on each sliding rail respectively
It is provided with the flexible support foot being slidably matched with it, one end of flexible support foot is stretched out outside disk body and can be prolonged along the orbital direction of sliding rail
It stretches.
Further, the angle that orbital direction favours disk body radial direction is 30-45 °.
Further, attachment base and lower shell integrated molding and coaxial line.
Further, the lower part of upper shell is provided with interconnecting piece, upper shell is connected on lower shell by interconnecting piece, the connection
Portion includes cricoid shell portion and multiple even electric connections on the inside of shell portion.
Further, pressure cylinder includes intermediate-frequency transformer, high voltage silicon rectifier stack, resistance and voltage doubling capacitor again, the two of intermediate-frequency transformer
Tandem high pressure silicon stack, resistance and voltage doubling capacitor between the both ends of secondary side, voltage doubling capacitor one end connect high pressure and draw binding post
To connect ground wire interface of the ground wire for being grounded for connecting test product, the other end.
It further include microampere meter and test article, the height of test article based on the Precision Test System of above-mentioned high voltage direct current generator
Potential end is electrically connected high pressure by microampere meter and draws binding post, the hot end ground connection of test article, between microampere meter and test article
Conducting wire use shielded wire；Be wound with naked coiling in the hot end of test article, the both ends of shielded wire respectively with microampere meter
Shell and naked coiling electrical connection.
Further include microampere meter and test article based on the Precision Test System of above-mentioned high voltage direct current generator, test article it is low
Potential end is grounded by microampere meter, and the hot end electrical connection high pressure of test article draws binding post, between microampere meter and test article
Conducting wire use shielded wire；Be wound with naked coiling in the cold end of test article, the both ends of shielded wire respectively with microampere meter
Shell and naked coiling electrical connection.
By adopting the above-described technical solution, the utility model has the advantage that
1. pressure cylinder can make the disassembly of times pressure cylinder and Portability more preferable, more piece using the design of two-stage structure again for it
Structure, enable to times pressure cylinder to carry out assembly again when in use, can so as to during transportation, promote this times of pressure cylinder
Transportability and live usability；
2. the foot prop disk of times pressure cylinder is designed using telescopic structure, making times pressure cylinder, stability is more preferable when standing upright；In addition,
It is mutually wrong so that three flexible support foots are in rounding state since three flexible support foots are respectively with the radial skew of disk body
It opens, is conducive to the extended length for increasing the flexible support foot；
3. the Precision Test System of high voltage direct current generator uses the design of shielding line, so that the shell of microampere meter and survey
The high-voltage end or low-pressure end equipotential of test product, to reduce influence of the potential difference on the shell of microampere meter to measuring accuracy.
Other advantages, target and feature of the utility model will be explained in the following description to a certain extent
It states, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or
Person can be instructed from the practice of the utility model.The target of the utility model and other advantages can be said by following
Bright book and claims are achieved and obtained.
Detailed description of the invention
Fig. 1 is the structure chart of times pressure cylinder；
Fig. 2 is high-pressure side Precision Test System figure；
Fig. 3 is low-pressure side Precision Test System figure.
Appended drawing reference: 1- high pressure draws binding post, 2- upper shell, 3- interconnecting piece, 4- lower shell, 5- attachment base, 6- cable
Interface, 7- interface of the ground wire, 8- foot prop disk, 9- stretch support foot, 10- disk body, 11- sliding rail, 12- high voltage silicon rectifier stack, 13- resistance, and 14- times
Piezoelectric capsule, 15- microampere meter, 16- shielded wire, 17- test article, the naked coiling of 18-, 19- connect electric connection, 20- intermediate-frequency transformer,
The equal pressure cap of 21-.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples:
Embodiment 1
As shown in the picture: a kind of high voltage direct current generator, including control cabinet and times pressure cylinder, a times pressure cylinder include 2 He of upper shell
Lower shell 4,2 coaxial line of upper shell are connected to 4 top of lower shell, the top of upper shell 2 are provided with high pressure and draws 1 He of binding post
Equal pressure cap 21, is provided with attachment base 5 in the lower part of upper shell 2, cable interface 6 and interface of the ground wire 7 is provided on attachment base 5,
Control cabinet is electrically connected times pressure cylinder by cable interface 6；The bottom of attachment base 5 is provided with foot prop disk 8, which includes stretching
Contracting support foot 9, disk body 10 and sliding rail 11, disk body 10 is in the form of annular discs, and three sliding rails 11 are evenly arranged on the bottom of disk body 10 and sliding rail 11
Orbital direction favours the radial direction of disk body 10, and the flexible support foot 9 being slidably matched with it is respectively arranged on each sliding rail 11, is stretched
One end of contracting support foot 9 is stretched out outside disk body 10 and can be extended along the orbital direction of sliding rail 11.
It is 30-45 ° that orbital direction, which favours the radial angle of disk body 10,；Attachment base 5 and lower shell 4 be integrally formed and with
Its coaxial line；The lower part of upper shell 2 is provided with interconnecting piece 3, and upper shell 2 is connected on lower shell 4 by interconnecting piece 3, the connection
Portion 3 includes cricoid shell portion and multiple even electric connections 19 on the inside of shell portion.
This high voltage direct current generator when in use, first assembles a times pressure cylinder, by upper shell 2 and lower shell 4 when assembling
It is assemblied together, three flexible support foots 9 is pulled out along corresponding sliding rail 11 respectively then, a times pressure cylinder is then erected at ground
On, times pressure cylinder is electrically connected control cabinet by cable interface 6, and times pressure cylinder is connected on ground wire by interface of the ground wire 7.
Embodiment 2
As shown in Fig. 2, the Precision Test System of the high voltage direct current generator of the utility model include control cabinet, times pressure cylinder,
Microampere meter 15 and test article.
Times pressure cylinder includes intermediate-frequency transformer 20, high voltage silicon rectifier stack 12, resistance 13 and voltage doubling capacitor 14, intermediate-frequency transformer 20
Tandem high pressure silicon stack 12, resistance 13 and voltage doubling capacitor 14 between the both ends of secondary side, 14 one end of voltage doubling capacitor connect high pressure
Binding post 1 is drawn to connect ground wire interface of the ground wire 7 for being grounded for connecting test product, the other end.
The hot end of test article is electrically connected high pressure by microampere meter 15 and draws binding post 1, the high potential termination of test article
Ground, the conducting wire between microampere meter 15 and test article use shielded wire 16；It is wound with naked coiling 18 in the hot end of test article,
The both ends of shielded wire 16 are electrically connected with the shell of microampere meter 15 and naked coiling 18 respectively.
Its principle are as follows: using the shielded layer in 15 shielded wire 16 of microampere meter, by test article hot end and microampere meter 15
Shell connection, make equipotential between the two, and then reduce the shadow of the surface leakage current of test article measured microampere meter 15
It rings.
Embodiment 3
The Precision Test System of the high voltage direct current generator of the utility model includes control cabinet, times pressure cylinder, 15 and of microampere meter
Test article.
Times pressure cylinder includes intermediate-frequency transformer 20, high voltage silicon rectifier stack 12, resistance 13 and voltage doubling capacitor 14, intermediate-frequency transformer 20
Tandem high pressure silicon stack 12, resistance 13 and voltage doubling capacitor 14 between the both ends of secondary side, 14 one end of voltage doubling capacitor connect high pressure
Binding post 1 is drawn to connect ground wire interface of the ground wire 7 for being grounded for connecting test product, the other end.
The cold end of test article is grounded by microampere meter 15, and the hot end electrical connection high pressure of test article draws binding post
1, the conducting wire between microampere meter 15 and test article uses shielded wire 16；It is wound with naked coiling 18 in the cold end of test article,
The both ends of shielded wire 16 are electrically connected with the shell of microampere meter 15 and naked coiling 18 respectively.
The link position for being distinguished as microampere meter 15 of the present embodiment 3 and embodiment 2, as shown in figure 3, microampere meter 15 is connected to
The cold end of test article.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, should all without departing from the objective and range of the technical program
Cover in the scope of the claims of the utility model.
Claims (7)
1. a kind of high voltage direct current generator, it is characterised in that: including control cabinet and times pressure cylinder, a times pressure cylinder include upper shell (2) and
Lower shell (4), upper shell (2) coaxial line are connected to above lower shell (4), and high pressure extraction is provided at the top of upper shell (2)
Binding post (1) and equal pressure cap (21) are provided with attachment base (5) in the lower part of upper shell (2), are provided with electricity on attachment base (5)
Cable interface (6) and interface of the ground wire (7), control cabinet are electrically connected times pressure cylinder by cable interface (6)；It is set in the bottom of attachment base (5)
Foot prop disk (8) are equipped with, which includes flexible support foot (9), disk body (10) and sliding rail (11), and disk body (10) is in the form of annular discs,
Three sliding rails (11) are evenly arranged on the bottom of disk body (10) and the orbital direction of sliding rail (11) favours the radial direction of disk body (10), each
The flexible support foot (9) being slidably matched with it is respectively arranged on a sliding rail (11), disk body (10) are stretched out in the one end of flexible support foot (9)
It can extend outside and along the orbital direction of sliding rail (11).
2. high voltage direct current generator according to claim 1, it is characterised in that: it is radial that orbital direction favours disk body (10)
Angle be 30-45 °.
3. high voltage direct current generator according to claim 2, it is characterised in that: attachment base (5) and lower shell (4) one at
Type and coaxial line.
4. high voltage direct current generator according to claim 3, it is characterised in that: the lower part of upper shell (2) is provided with connection
Portion (3), upper shell (2) are connected on lower shell (4) by interconnecting piece (3), which includes cricoid shell portion and be located at
Multiple companies electric connection (19) on the inside of shell portion.
5. high voltage direct current generator according to claim 4, it is characterised in that: a times pressure cylinder include intermediate-frequency transformer (20),
High voltage silicon rectifier stack (12), resistance (13) and voltage doubling capacitor (14) are connected between the both ends of the secondary side of intermediate-frequency transformer (20) high
Press silicon stack (12), resistance (13) and voltage doubling capacitor (14), voltage doubling capacitor (14) one end connect high pressure extraction binding post (1) with
For connecting test product, other end connection ground wire interface of the ground wire (7) for being grounded.
6. the Precision Test System based on high voltage direct current generator described in claim 5, it is characterised in that: further include microampere meter
(15) high pressure is electrically connected by microampere meter (15) and draws binding post (1) with test article, the hot end of test article, the height of test article
Potential end ground connection, the conducting wire between microampere meter (15) and test article use shielded wire (16)；It is twined in the hot end of test article
It is wound with naked coiling (18), the both ends of shielded wire (16) are electrically connected with the shell of microampere meter (15) and naked coiling (18) respectively.
7. the Precision Test System based on high voltage direct current generator described in claim 5, it is characterised in that: further include microampere meter
(15) it is grounded with test article, the cold end of test article by microampere meter (15), the hot end electrical connection high pressure of test article is drawn
Binding post (1) out, the conducting wire between microampere meter (15) and test article use shielded wire (16)；It is twined in the cold end of test article
It is wound with naked coiling (18), the both ends of shielded wire (16) are electrically connected with the shell of microampere meter (15) and naked coiling (18) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821369843.9U CN208795783U (en) | 2018-08-24 | 2018-08-24 | A kind of high voltage direct current generator and its Precision Test System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821369843.9U CN208795783U (en) | 2018-08-24 | 2018-08-24 | A kind of high voltage direct current generator and its Precision Test System |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208795783U true CN208795783U (en) | 2019-04-26 |
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ID=66206835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821369843.9U Active CN208795783U (en) | 2018-08-24 | 2018-08-24 | A kind of high voltage direct current generator and its Precision Test System |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208795783U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110726865A (en) * | 2019-11-19 | 2020-01-24 | 中国南方电网有限责任公司超高压输电公司广州局 | Quick-insertion type high-voltage microammeter |
| CN112379137A (en) * | 2020-11-30 | 2021-02-19 | 合肥航太电物理技术有限公司 | Direct-current electrostatic high-voltage generator and test application thereof |
-
2018
- 2018-08-24 CN CN201821369843.9U patent/CN208795783U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110726865A (en) * | 2019-11-19 | 2020-01-24 | 中国南方电网有限责任公司超高压输电公司广州局 | Quick-insertion type high-voltage microammeter |
| CN112379137A (en) * | 2020-11-30 | 2021-02-19 | 合肥航太电物理技术有限公司 | Direct-current electrostatic high-voltage generator and test application thereof |
| CN112379137B (en) * | 2020-11-30 | 2022-05-10 | 合肥航太电物理技术有限公司 | Test application of direct current electrostatic high-voltage generator |
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