CN207677641U - A kind of high steady high voltage direct current generator - Google Patents
A kind of high steady high voltage direct current generator Download PDFInfo
- Publication number
- CN207677641U CN207677641U CN201721719013.XU CN201721719013U CN207677641U CN 207677641 U CN207677641 U CN 207677641U CN 201721719013 U CN201721719013 U CN 201721719013U CN 207677641 U CN207677641 U CN 207677641U
- Authority
- CN
- China
- Prior art keywords
- pressure cylinder
- guide groove
- cylinder
- direct current
- voltage direct
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of high steady high voltage direct current generators,Including pressure cylinder again,Times pressure cylinder includes times pressure cylinder ontology,Pedestal,Multiple supporting mechanisms,Winding mechanism,Times pressure cylinder body bottom portion is set on pedestal,Multiple guide grooves are formed in pedestal,First hole,Second hole,Guide groove horizontal distribution and it is connected with the external world,Winding mechanism includes shaft,Handwheel,Shaft one end is rotatably inserted in the first hole,The other end is connected with handwheel,Supporting mechanism is arranged in a one-to-one correspondence with guide groove and each supporting mechanism includes sliding block,Spring,Connecting rod,Supporting block,Connecting line,Sliding block is set in guide groove and can opposed guide slots sliding,Connecting rod one end is connected with supporting block,The other end is connected with slip front,Spring pocket is set in connecting rod and spring one end is connected with base outer perimeter face,The other end is connected with supporting block,Connecting line one end is connected with sliding block rear end,The other end is set around across the first hole in shaft.Times pressure cylinder stability is good in the utility model.
Description
Technical field
The utility model is related to technical field of electric equipment, more particularly, to a kind of high steady high voltage direct current generator.
Background technology
In existing transformer equipment maintenance process, one of the content item that test is most widely used occurs for high direct voltage.
In high direct voltage is tested, generally uses high steady high voltage direct current generator as DC high-voltage source, be specifically used to detection electricity
The electrical insulation strength and leakage current of power device.
Traditional high steady high voltage direct current generator includes that a times pressure cylinder is first erected at by control cabinet, times pressure cylinder in actual experiment
On ground, wiring is then carried out, stability is poor when in use for times pressure cylinder of this structure, encounters the bigger weather of wind, then again
Pressure cylinder is easy to topple over.
Utility model content
The purpose of the utility model is to overcome above-mentioned technical deficiencies, propose a kind of high steady high voltage direct current generator, solve
A technical issues of times pressure cylinder for high steady high voltage direct current generator is easy to topple in the prior art.
To reach above-mentioned technical purpose, the technical solution of the utility model provides a kind of high steady high voltage direct current generator,
Including pressure cylinder again, described times of pressure cylinder includes times pressure cylinder ontology, pedestal, multiple supporting mechanisms, winding mechanism, described times of pressure cylinder ontology
Bottom is set on the pedestal, and multiple guide grooves, one first hole, one second hole are formed in the pedestal, and the guide groove is horizontal
It is distributed and is connected with the external world, the winding mechanism includes a shaft, a handwheel, and described shaft one end is rotatably inserted in described
In first hole, the other end be connected with the handwheel, the supporting mechanism and the guide groove are arranged in a one-to-one correspondence and each described
Supporting mechanism includes a sliding block, a spring, a connecting rod, a supporting block, a connecting line, and the sliding block is set in the guide groove
And can guide groove sliding relatively, described connecting rod one end is connected with the supporting block, the other end and the slip front phase
Connection, the spring pocket be set to the connecting rod on and the spring one end be connected with the base outer perimeter face, the other end and
The supporting block is connected, and described connecting line one end is connected with the sliding block rear end, the other end passes through first hole winding
In in the shaft, the shaft makes the sliding block along the guide groove guiding movement for winding the connecting line.
Compared with prior art, the beneficial effects of the utility model include：Times pressure cylinder passes through flexible support when mounted
Block is fixed, and stability is good, easy for installation.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model times pressure cylinder；
Fig. 3 is the upward view of Fig. 2；
Fig. 4 is the sectional view of the line A-A along Fig. 2；
Fig. 5 is the sectional view of the line B-B along Fig. 3；
Fig. 6 is times pressure cylinder scheme of installation in the utility model；
Fig. 7 is the fundamental diagram of the utility model.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
As shown in Fig. 1,2,3,4,5, the utility model provides a kind of high steady high voltage direct current generator, including control cabinet 1,
Times pressure cylinder 2, discharging rod 3, control cabinet 1 is electrically connected respectively with pressure cylinder 2 again, discharging rod 3 and control cabinet 1, times pressure cylinder 2, discharging rod 3 are total
One point earth.
It is provided with control circuit in control cabinet 1, operation panel is provided with outside control cabinet 1.
Times pressure cylinder 2 includes times pressure cylinder ontology 21, pedestal 22, multiple supporting mechanisms 23, winding mechanism 24.
Pedestal 22 includes one first cylinder 221, one second cylinder 222, and the first cylinder 221 is coaxially set with the second cylinder 222
It sets and is integrally formed, 222 upper surface of the second cylinder is connected with times 21 bottom of pressure cylinder ontology, and the first cylinder 221 is located at the second circle
222 lower section of column, and 222 diameter of the second cylinder is more than 221 diameter of the first cylinder.There are three first cylinder, 221 interior formation and the external world
The horizontal guide grooves 2211 being connected, three 2211 tail portions of guide groove are connected, top is connected with the external world, and three 2211 edges of guide groove
First cylinder 221 is circumferential to be uniformly distributed.
One first hole 223 is formed between first cylinder 221 and the second cylinder 222, be formed in the second cylinder 222 with outside
Three 2211 tail portions of guide groove are connected by one second hole 2221 that boundary is connected, the first hole 223 with the first hole 223.
Supporting mechanism 23 is arranged in a one-to-one correspondence with guide groove 2211 and each supporting mechanism includes a sliding block 231, a spring
232, a connecting rod 233, a supporting block 234, a connecting line 235, sliding block 231 are set in guide groove 2211 and can opposed guide slots
2211 slidings, 233 one end of connecting rod is connected with supporting block 234, the other end is connected with 231 front end of sliding block, 232 one end of spring
Be sheathed in the connecting rod 233 and 232 one end of spring be connected with 222 peripheral surface of the second cylinder, the other end and supporting block 234
It is connected.
Supporting block 234 is in cuboid.
Winding mechanism 24 includes a shaft 241, a handwheel 242, and 241 one end of shaft is rotatably inserted in the first hole 223
The interior, other end is connected with handwheel 242.
235 one end of connecting line is connected with 231 rear end of sliding block, the other end is set around the second hole 2221 across the first hole 223
On interior 241 peripheral surface of shaft.
High steady high voltage direct current generator operation principle, control cabinet 1 are electrically connected with times pressure cylinder 2, and times pressure cylinder 2 is electrically connected with determinand
It connects, control cabinet 1, times pressure cylinder 2, discharging rod 3, determinand use ZGS Special grounding wire one point earths.
As shown in fig. 6, the installation procedure of pressure cylinder, rotation handwheel 242 make connecting line 235 slowly be wound on shaft 241 again
On, connecting line 235 is oriented to along guide groove 2211 with movable slider 231 and inwardly moves, and sliding block 231 drives supporting block by connecting rod 233
Spring 232 is inwardly compressed in 234 inwardly movements, supporting block 234, and inwardly after movement suitable distance, a times pressure cylinder is put into for supporting block 234
In the cylinder shape groove on ground, handwheel 242 is unclamped, the number of turns of the connecting line 235 of winding is reduced in shaft 241, is supported block
234 232 slow releases of spring pressed drive supporting block 234 to be displaced outwardly, and supporting block 234 is by connecting rod 233 with movable slider
231 move out, until supporting block 234 holds out against cylinder shape groove inner wall, a times pressure cylinder is tightly secured on ground, and high steady direct current is high
After the completion of pressing generator work, handwheel 242 is rotated, connecting line 235 is made slowly to be wound in shaft 241, connecting line 235 drives
Sliding block 231 is oriented to along guide groove 2211 and inwardly moves, and sliding block 231 drives supporting block 234 inwardly to move by connecting rod 233, support
Spring 232 is inwardly compressed in block 234, and inwardly after movement suitable distance, times pressure cylinder is taken out for supporting block 234.
As shown in fig. 7, high steady high voltage direct current generator includes the rectification filtering module being sequentially connected electrically, pulse width modulated power
Module, MOS bridge type inverses module, medium-frequency high-voltage transformer, voltage doubling rectifier module, 220V alternating currents are defeated from rectification filtering module
Enter, rectification filtering module can be comprising the full-bridge and several filter capacitors being made of four rectifier diodes.Pulse tune
Wide power module is powerful IGBT pipes.MOS bridge type inverses module is made of several MOSFET pipes.
The output end of voltage doubling rectifier module has been electrically connected high direct voltage negative feedback module, high direct voltage negative feedback module and one
A high direct voltage adjustment module is respectively electrically connected to a Pulse Width Modulation Control With circuit, by Pulse Width Modulation Control With circuit to pulse tune
Wide power module is controlled.
There is an overvoltage to adjust dial switch to be electrically connected with a protection circuit, overvoltage adjusts dial switch for setting
Overvoltage protection value, protection circuit are respectively electrically connected to MOS bridge type inverses module and Pulse Width Modulation Control With circuit, are used for pulsewidth tune
System and bridge type inverse, protection circuit are related to current protection and voltage protection, Pulse Width Modulation Control With circuit include 50kV, 100kV,
Tri- gears of 200kV.
Medium-frequency high-voltage step down side is electrically connected with current digital display module, and current digital display module is for showing medium-frequency high-voltage
The digital quantity of electric current when transformer works；Voltage doubling rectifier module is electrically connected with voltage digital display module, and voltage digital display module is for showing
The digital quantity of voltage when showing voltage doubling rectifier module work.
The beneficial effects of the utility model include：Times pressure cylinder is solid by flexible supporting block when mounted in the utility model
Fixed, stability is good, easy for installation.
Specific embodiment of the present utility model described above does not constitute the restriction to scope of protection of the utility model.
The various other corresponding changes and deformation that any technical concept according to the present utility model is made, should be included in this practicality
In novel scope of the claims.
Claims (5)
1. a kind of high steady high voltage direct current generator, including pressure cylinder again, described times of pressure cylinder includes times pressure cylinder ontology, pedestal, Duo Gezhi
Support mechanism, winding mechanism, described times of pressure cylinder body bottom portion are set on the pedestal, be formed in the pedestal multiple guide grooves,
One first hole, one second hole, the guide groove horizontal distribution and are connected with the external world, and the winding mechanism includes a shaft, proficiency
Wheel, described shaft one end is rotatably inserted in the first hole in, the other end is connected with the handwheel, the supporting mechanism and
The guide groove is arranged in a one-to-one correspondence and each supporting mechanism includes a sliding block, a spring, a connecting rod, a supporting block, one
Connecting line, the sliding block are set in the guide groove and can the relatively described guide groove sliding, described connecting rod one end and the supports
Block is connected, the other end is connected with the slip front, and the spring pocket is set in the connecting rod and the spring one end
It is connected with the base outer perimeter face, the other end is connected with the supporting block, described connecting line one end and the sliding block rear end
Be connected, the other end is set around across first hole in the shaft, the shaft for wind the connecting line make it is described
Sliding block is along the guide groove guiding movement.
2. the steady high voltage direct current generator of height according to claim 1, which is characterized in that the pedestal includes one first circle
Column, one second cylinder, first cylinder are coaxially disposed and are integrally formed, second cylinder upper surface with second cylinder
It is connected with described times of pressure cylinder body bottom portion and second body diameter is more than first body diameter.
3. the steady high voltage direct current generator of height according to claim 2, which is characterized in that be formed with three in first cylinder
It is a with the extraneous horizontal guide grooves being connected, three guide groove tail portions are connected, top is connected with the external world, and are led described in three
Slot is circumferentially uniformly distributed along first cylinder.
4. the steady high voltage direct current generator of height according to claim 1, which is characterized in that the supporting block is in cuboid.
5. the steady high voltage direct current generator of height according to claim 1, which is characterized in that the steady high voltage direct current generator of height
Further include control cabinet, discharging rod, the control cabinet is electrically connected with described times of pressure cylinder and the control cabinet, times pressure cylinder, discharging rod one
Point ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721719013.XU CN207677641U (en) | 2017-12-12 | 2017-12-12 | A kind of high steady high voltage direct current generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721719013.XU CN207677641U (en) | 2017-12-12 | 2017-12-12 | A kind of high steady high voltage direct current generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207677641U true CN207677641U (en) | 2018-07-31 |
Family
ID=62967983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721719013.XU Expired - Fee Related CN207677641U (en) | 2017-12-12 | 2017-12-12 | A kind of high steady high voltage direct current generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207677641U (en) |
-
2017
- 2017-12-12 CN CN201721719013.XU patent/CN207677641U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180731 Termination date: 20181212 |