CN214278267U - High-power multifunctional stacked direct-current voltage generator - Google Patents
High-power multifunctional stacked direct-current voltage generator Download PDFInfo
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- CN214278267U CN214278267U CN202023146288.3U CN202023146288U CN214278267U CN 214278267 U CN214278267 U CN 214278267U CN 202023146288 U CN202023146288 U CN 202023146288U CN 214278267 U CN214278267 U CN 214278267U
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Abstract
The utility model belongs to direct current high voltage test equipment discloses a high-power multi-functional closed assembly formula direct current voltage generator, a serial communication port, including a plurality of series connection's direct current voltage generator unit in proper order, adopt between two adjacent direct current voltage generator units can dismantle connection structure interconnect. The utility model discloses a direct current high voltage test equipment, thereby it can obtain bigger output current through adjusting the voltage doubling progression, and it is all very convenient to remove simultaneously, transport, dismantle the installation, and the practicality is strong.
Description
Technical Field
The utility model belongs to the technical field of direct current high voltage test equipment, particularly, relate to a high-power multi-functional closed assembly formula direct current voltage generator.
Background
The direct-current voltage generator is necessary equipment for direct-current high-voltage experimental research. The device has the functions of carrying out test research work of direct current withstand voltage, gap discharge, direct current corona, direct current partial discharge, direct current polarity conversion, impact superposition direct current, alternating current superposition direct current and the like.
The development of ultra-high voltage direct current transmission is just like the development of fire. The high-voltage research field and production enterprises have paid attention to the test research of the direct-current high voltage, and many domestic high-voltage laboratories are equipped with direct-current high-voltage generators, which play an important role in promoting the ultra-high voltage direct-current transmission technology.
At present, an integrated direct-current voltage generator and a single-column direct-current voltage generator are mainly adopted by a high-voltage direct-current voltage generator;
the integrated direct-current voltage generator has various components and complex structure, the installation period is at least more than 15 days according to different voltage grade requirements, and users can only stop production and wait for the installation of the device in the 15 days, so that most of time of the users is wasted; although the single-column direct-current voltage generator can save time for users, due to function limitation, if functions such as direct-current voltage, partial discharge test, polarity conversion, grounding and the like are completely configured according to user requirements, a large field area is occupied; meanwhile, in the use process of the two direct current voltage generators, due to the national standard requirement that ripple waves are less than or equal to 3%, when a user needs to perform a low-voltage test, the current output capacity of the direct current voltage generators can be reduced along with the reduction of voltage, and meanwhile, the direct current voltage generators are complex in structure, large in size, and inconvenient to move, transport, disassemble and install due to the influence of the structure.
Therefore, a brand-new high-power multifunctional stacked direct-current voltage generator is developed;
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-power multi-functional closed assembly formula direct current voltage generator, thereby it can obtain bigger output current through adjusting the multiple voltage progression, and the configuration is multi-functional simultaneously satisfies need not customer's demand, and it is all very convenient to remove in addition, transport, dismantle the installation, practices thrift the space occupancy, and the practicality is strong.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides a high-power multi-functional closed assembly formula direct current voltage generator, includes a plurality of direct current voltage generator unit of series connection in proper order, adopts detachable connection structure interconnect between two adjacent direct current voltage generator units.
Optionally, the dc voltage generator unit includes a voltage doubling cylinder and a voltage doubling circuit disposed in the voltage doubling cylinder, and the voltage doubling circuit is further connected in parallel to the grounding switch.
Optionally, the earthing switch includes an insulating outer cylinder, a support cylinder assembly is disposed between the insulating outer cylinders of two adjacent dc voltage generator units, the support cylinder assemblies are detachably connected with the insulating outer cylinders respectively, and the support cylinder assemblies are also detachably connected with the end portions of the voltage doubling cylinders.
Optionally, the support cylinder assembly comprises an upper support cylinder and a lower support cylinder, and the upper support cylinder and the lower support cylinder are connected in a socket manner.
Optionally, the detachable connection structure includes a first connection end and a second connection end for electrical connection and respectively located at different dc voltage generator units, the first connection end is electrically connected to a positioning ring column, and an elastic thimble electrically connected to the positioning ring column and an elastic member for supporting the elastic thimble to keep the elastic thimble electrically connected to the second connection end are disposed in the positioning ring column.
Optionally, the elastic component is a spring.
Optionally, the detachable connection structure adopts a flange connection of two adjacent direct current voltage generator units.
Compared with the prior art, the utility model, beneficial effect is:
the stacked direct-current voltage generator can obtain larger output current by adjusting the voltage-multiplying stage number; meanwhile, the pressure drop is correspondingly reduced, so that the practical capability of the device is greatly improved and exerted; the stacked direct-current voltage generator adopts a mode that direct-current voltage generator units are detachably connected, the stacked quantity can be selected according to different voltage grade requirements of customers to be transported to an outdoor site, the transportation cost can be further reduced, the service life of the device can be further shortened, the existing single-column direct current can only be transported horizontally, a long vehicle is needed for loading by using the vehicle, and the integrated direct current cannot be transported at all; and the stack-up direct current voltage generator has considered the single section transportation height when the design, can realize upright transportation, and the total length of a double pressure section of thick bamboo can not too high to it is all more convenient than column structure and integral type structure to make transportation, short distance remove, installation, dismantlement.
Drawings
Fig. 1 is a schematic structural diagram of a stacked dc voltage generator according to the present invention;
FIG. 2 is an enlarged view of a portion a of FIG. 1;
FIG. 3 is an enlarged view of the portion b of FIG. 1;
fig. 4 is a schematic circuit diagram of the stacked dc voltage generator of the present invention.
Icon: 100-direct current voltage generator unit, 111-first connecting end, 112-second connecting end, 113-elastic component, 114-elastic thimble, 115-positioning ring column, 120-grounding switch, 121-upper supporting cylinder and 122-lower supporting cylinder.
Detailed Description
Referring to fig. 1, the utility model discloses a stacked direct current voltage generator, including a plurality of direct current voltage generator unit 100 of series connection in proper order, adopt between two adjacent direct current voltage generator units 100 to dismantle connection structure interconnect.
Referring to fig. 4, in the embodiment, the stacked dc voltage generator is formed by connecting three dc voltage generator units 100, and the three dc voltage generator units 100 can be implemented by using a conventional voltage doubling rectifying circuit, so that the detailed circuit principle is not described herein. The three dc voltage generator units 100 may adopt the same voltage-doubling rectifying circuit, or adopt different voltage-doubling rectifying circuits, and all of them may be combined according to the actual needs of users.
TABLE 1200kV Single column DC Voltage Generator parameters
| Output voltage | Output current | Number of voltage doubling stages | Stage capacitor | Ripple wave | Pressure drop |
| 1200kV | 30mA | Grade 6 | 0.2uF | 2.625％ | 492kV |
| 800kV | 20mA | Grade 6 | 0.2uF | 2.625％ | 328kV |
| 400kV | 10mA | Grade 6 | 0.2uF | 2.625％ | 164kV |
TABLE II 1200kV Stack type DC voltage generator parameter
| Output voltage | Output current | Number of voltage doubling stages | Stage capacitor | Ripple wave | Pressure drop |
| 1200kV | 30mA | Grade 6 | 0.2uF | 2.625％ | |
| 800kV | 42mA | ||||
| 4 stage | 0.2uF | 2.625％ | 218.4kV | ||
| 400kV | 70mA | Stage 2 | 0.2uF | 2.625％ | 56kV |
By comparing the table I and the table II, when a user needs to perform a low-voltage test, the current output capacity of the single-column direct current and the stacked direct current can be reduced along with the reduction of the voltage in the use process of the single-column direct current voltage generator and the stacked direct current voltage generator, and the stacked direct current can obtain larger output current by adjusting the voltage-multiplying series; meanwhile, the pressure drop is correspondingly reduced, the practical capability of the device is greatly improved and exerted, and the power loss is effectively reduced.
The dc voltage generator unit 100 includes a voltage doubling cylinder and a voltage doubling circuit disposed in the voltage doubling cylinder, and the voltage doubling circuit is further connected in parallel with a grounding switch 120. Each voltage doubling cylinder is provided with multifunctional components such as a coupling capacitor, a resistor voltage divider, an earthing switch 120 and the like, so that the full integration of functions is really realized, and the existing single-column direct-current voltage generator is not provided with the earthing switch 120. The utility model discloses an its function of stack dress formula direct current has contained direct current high voltage measurement, direct current office to put measurement, automatic polarity conversion function, earthing switch etc..
Referring to fig. 3, in detail, the earthing switch 120 includes an insulating outer cylinder, and a support cylinder assembly is disposed between the insulating outer cylinders of two adjacent dc voltage generator units 100, and is detachably connected to the insulating outer cylinders, respectively, and is also detachably connected to an end of the voltage doubling cylinder. The support cylinder assembly comprises an upper support cylinder 121 and a lower support cylinder 122, and the upper support cylinder 121 and the lower support cylinder 122 are in socket connection. Earthing switch 120 adopts a support section of thick bamboo subassembly to realize its connection, easy dismounting connects firmly, has cooperated whole stack formula direct current voltage generator to install fast and dismantle effectively.
Referring to fig. 2, the detachable connection structure between the dc voltage generator units 100 of this embodiment includes a first connection end 111 and a second connection end 112 for electrical connection and respectively located at different dc voltage generator units 100, the first connection end 111 is electrically connected to a positioning ring column 115, an elastic thimble 114 electrically connected to the positioning ring column 115 is disposed in the positioning ring column 115, and an elastic member 113 for supporting the elastic thimble 114 to keep the elastic thimble 114 electrically connected to the second connection end 112. The elastic component 113 can support the elastic pin 114, so as to effectively ensure the connection of functional devices between different dc voltage generator units 100, such as the connection of resistive dividers of different dc voltage generator units 100.
The elastic member 113 is a spring, but other elastic components may be adopted to maintain the electrical connection between the first connection end 111 and the second connection end 112.
The detachable connection structure between different direct current voltage generator units 100 comprises an electrical connection part and a mechanical connection part, and the detachable connection structure adopts flange connection of two adjacent direct current voltage generator units 100, so that the assembly and disassembly are convenient.
The stacked direct-current voltage generator adopts a mode that the direct-current voltage generator units 100 are detachably connected, the stacked quantity can be selected according to different voltage grade requirements of customers to be transported to an outdoor site, the transportation cost can be further reduced, the service life of the device can be further shortened, the existing single-column direct current can be transported flatly, and a vehicle can be loaded by using a longer vehicle; and the height of a single section of height has been considered when the design to the closed assembly formula direct current voltage generator, can realize upright transportation, and a voltage doubling section of thick bamboo total length can not too high to it is all more convenient than the single-column structure to make transportation, short distance remove, installation, dismantlement. Such as: a customer needs to transport the device to the field for a 600kV test, and only needs to transport 2 sections of the direct-current voltage generator units 100 to the field; the voltage of the single-section direct-current voltage generator unit can also be adjusted according to the requirements of customers, for example, 300 kV/section at present, and can also be 400 kV/section or 500 kV/section. The existing single-column direct-current voltage generator can only be horizontally transported, and a vehicle can be loaded only by using a longer vehicle; and the utility model discloses a single section height has been considered when the design to the stack formula direct current, can realize the transportation of standing vertically, and three direct current voltage generator unit 100 total length is no longer than 3 meters.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a high-power multi-functional closed assembly formula direct current voltage generator which characterized in that, includes a plurality of direct current voltage generator unit of series connection in proper order, adopts detachable connection structure interconnect between two adjacent direct current voltage generator units.
2. The high power multifunctional stacked direct current voltage generator according to claim 1, wherein the direct current voltage generator unit comprises a voltage doubling barrel and a voltage doubling circuit arranged in the voltage doubling barrel, and the voltage doubling circuit is further connected with a grounding switch in parallel.
3. The high-power multifunctional stacked direct-current voltage generator according to claim 2, wherein the grounding switch comprises an insulating outer cylinder, a support cylinder assembly is arranged between the insulating outer cylinders of two adjacent direct-current voltage generator units, the support cylinder assemblies are respectively detachably connected with the insulating outer cylinders, and the support cylinder assemblies are also detachably connected with the end parts of the voltage doubling cylinders.
4. The high-power multifunctional stacked direct-current voltage generator according to claim 3, wherein the support cylinder assembly comprises an upper support cylinder and a lower support cylinder, and the upper support cylinder and the lower support cylinder are in socket connection.
5. The high-power multifunctional stacked direct-current voltage generator according to claim 1, wherein the detachable connection structure comprises a first connection end and a second connection end for electrically connecting and respectively locating at different direct-current voltage generator units, the first connection end is electrically connected with a positioning ring column, an elastic thimble electrically connected with the positioning ring column is arranged in the positioning ring column, and an elastic component for supporting the elastic thimble to keep the elastic thimble electrically connected with the second connection end.
6. The high power multi-functional stacked dc voltage generator according to claim 5, wherein said elastic member is a spring.
7. Stacked dc voltage generator according to claim 1, wherein the detachable connection structure employs a flange connection of two adjacent dc voltage generator units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023146288.3U CN214278267U (en) | 2020-12-23 | 2020-12-23 | High-power multifunctional stacked direct-current voltage generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023146288.3U CN214278267U (en) | 2020-12-23 | 2020-12-23 | High-power multifunctional stacked direct-current voltage generator |
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| Publication Number | Publication Date |
|---|---|
| CN214278267U true CN214278267U (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023146288.3U Active CN214278267U (en) | 2020-12-23 | 2020-12-23 | High-power multifunctional stacked direct-current voltage generator |
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| CN (1) | CN214278267U (en) |
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