CN212751795U - Direct current filter protection device - Google Patents
Direct current filter protection device Download PDFInfo
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- CN212751795U CN212751795U CN202021953917.0U CN202021953917U CN212751795U CN 212751795 U CN212751795 U CN 212751795U CN 202021953917 U CN202021953917 U CN 202021953917U CN 212751795 U CN212751795 U CN 212751795U
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- direct current
- current filter
- filter body
- mount pad
- mounting seat
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Abstract
The utility model relates to the technical field of direct current filters, in particular to a direct current filter protection device, the direct current filter comprises a direct current filter body, an upper mounting seat, a lower mounting seat, a damping component and a cooling fan, wherein the direct current filter body is fixedly arranged between the upper mounting seat and the lower mounting seat, the upper mounting seat is fixedly connected with the lower mounting seat through the direct current filter body, cooling through holes are arranged on two sides of the upper mounting seat, a hollow plate is fixedly connected inside the upper mounting seat, the hollow plate is positioned right above the direct current filter body, a mounting hole which is right opposite to the hollow plate is formed in the top of the upper mounting seat, the mounting hole is provided with a cooling fan for blowing and cooling the direct current filter body, the cooling fan is externally connected with a power supply, the damping component is mounted at the inner bottom of the lower mounting seat, and the upper mounting seat and the lower mounting seat are provided with a first notch for the interface of the direct current filter body to pass through corresponding to the interface of the direct current filter body. The direct current filter protection device is strong in protection capacity, good in heat dissipation performance and high in practicability.
Description
Technical Field
The utility model belongs to the technical field of the direct current filter technique and specifically relates to indicate a direct current filter protection device.
Background
A dc filter is a filter that is primarily used to block and short circuit ac signals. The output waveform is more stable by filtering with a capacitor. The voltage resistance is improved by connecting the capacitors in series, and the output direct current is more stable by increasing the capacity in parallel. The direct current filter is used as important equipment of the converter station, is arranged between a direct current high-voltage bus and a neutral bus in parallel, and is the most effective means for inhibiting direct current side harmonic waves of a High Voltage Direct Current (HVDC) transmission system. The direct current filter is used as important equipment of the converter station, is arranged between a direct current high-voltage bus and a neutral bus in parallel, and is the most effective means for inhibiting direct current side harmonic waves of a High Voltage Direct Current (HVDC) transmission system. From the condition of domestic direct current engineering operation, the proportion of direct current filter faults to direct current faults is large. According to the accident statistics of the Shanghai south bridge converter station, the direct current filter fault is the first fault in 1989 to 1998, and the direct current filter fault accounts for 18% of the faults causing the shutdown of the direct current system in 2001. The dc filter plays an important role in the safe and stable operation of the dc power transmission system, and must provide a complete protection function for the dc power transmission system. The current direct current filter has insufficient protection capability and poor heat dissipation performance.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a direct current filter protection device, this direct current filter protection device protective capability is strong, and heat dispersion is good, and the practicality is high.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a direct current filter protection device, its includes the direct current filter body, goes up the mount pad, damper and radiator fan down, direct current filter body fixed mounting is between last mount pad and lower mount pad, goes up the mount pad and passes through direct current filter body and mount pad fixed connection down, and the both sides of going up the mount pad are provided with the heat dissipation through-hole, goes up the inside fixedly connected with fretwork board of mount pad, and the fretwork board is located the direct current filter body directly over, and the top of going up the mount pad is seted up just to the installing port of fretwork board, installing port department installs the radiator fan who bloies the radiating to the direct current filter body, and radiator fan external power supply, damper install in the interior bottom of mount pad down, go up the mount pad and set up the first breach that supplies the interface of direct current filter body to pass through with the interface of direct current filter body down.
Furthermore, the cooling fan is electrically connected with a temperature control switch, and the temperature control switch is installed inside the upper installation seat.
Furthermore, a pin protective sleeve is arranged at the interface of the direct current filter body and wraps the connecting wire of the direct current filter body.
Further, damper includes elastic base, connecting block, spring and elasticity post, elastic base's bottom and mount pad fixed connection down, equal fixedly connected with connecting block all around of elastic base, the spring housing is located the elasticity post and respectively with connecting block and mount pad fixed connection down, the elasticity post respectively with connecting block and mount pad fixed connection down.
Furthermore, the connecting block is provided with a second notch corresponding to the direct current filter body, and the second notch is used for allowing the direct current filter body interface to pass through.
The utility model has the advantages that: during the in-service use, go up the mount pad and be used for fixed mounting direct current filter body with lower mount pad, go up the inside fretwork board that sets up of mount pad and can increase the intensity of going up the mount pad and do not influence the heat dissipation of direct current filter body, radiator fan is used for blowing the heat dissipation to direct current filter body, the wind that radiator fan blows reaches the surface of direct current filter body through the fretwork board to leave through the heat dissipation through-hole of last mount pad, damper is used for carrying out the shock attenuation to direct current filter body. The direct current filter protection device is strong in protection capacity, good in heat dissipation performance and high in practicability.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the upper mounting base of the present invention;
fig. 3 is a schematic structural diagram of the lower mounting seat of the present invention.
Description of reference numerals: direct current filter body 1, contact pin protective sheath 11, go up mount pad 2, heat dissipation through-hole 21, lower mount pad 3, damper 4, elastic base 41, connecting block 42, spring 43, elastic column 44, radiator fan 5, fretwork board 6.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
As shown in fig. 1, fig. 2 and fig. 3, the utility model provides a pair of dc filter protection device, it includes dc filter body 1, go up mount pad 2, mount pad 3, damper 4 and radiator fan 5 down, dc filter body 1 fixed mounting is between last mount pad 2 and lower mount pad 3, it passes through dc filter body 1 and lower mount pad 3 fixed connection to go up mount pad 2, the both sides of going up mount pad 2 are provided with heat dissipation through-hole 21, the inside fixedly connected with fretwork board 6 of going up mount pad 2, fretwork board 6 is located dc filter body 1 directly over, the mount port to fretwork board 6 is seted up at the top of going up mount pad 2, mount port department installs radiator fan 5 that bloies radiating to dc filter body 1, radiator fan 5 external power supply, damper 4 installs in the infrabasal portion of mount pad 3 down, go up mount pad 2 and the interface that lower mount pad 3 corresponds dc filter body 1 has seted up and has supplied dc filter The interface of the body 1 passes through the first notch.
During the in-service use, go up mount pad 2 and mount pad 3 is used for fixed mounting direct current filter body 1 down, go up the inside fretwork board 6 that sets up of mount pad 2 and can increase the intensity of mount pad 2 and do not influence the heat dissipation of direct current filter body 1, radiator fan 5 is used for the heat dissipation of blowing to direct current filter body 1, the wind that radiator fan 5 blows reaches direct current filter body 1's surface through fretwork board 6, and leave through the heat dissipation through-hole 21 of last mount pad 2, damper 4 is used for carrying out the shock attenuation to direct current filter body 1.
The direct current filter protection device is strong in protection capacity, good in heat dissipation performance and high in practicability.
As shown in fig. 1, in the present embodiment, the heat dissipation fan 5 is electrically connected to a temperature controlled switch, and the temperature controlled switch is installed inside the upper mounting base 2. In practical use, the temperature control switch can control the opening and closing of the cooling fan 5 according to the temperature of the direct current filter body 1.
As shown in fig. 1, in this embodiment, a pin protecting sleeve 11 is disposed at an interface of the dc filter body 1, and the pin protecting sleeve 11 wraps the connecting line of the dc filter body 1. In actual use, the connecting wires of the dc filter body 1 are protected.
As shown in fig. 3, in this embodiment, the damping assembly 4 includes an elastic base 41, a connecting block 42, a spring 43 and an elastic column 44, the bottom of the elastic base 41 is fixedly connected with the lower mounting base 3, the connecting block 42 is fixedly connected around the elastic base 41, the spring 43 is sleeved on the elastic column 44 and is respectively fixedly connected with the connecting block 42 and the lower mounting base 3, and the elastic column 44 is respectively fixedly connected with the connecting block 42 and the lower mounting base 3. During the in-service use, during the installation of direct current filter body 1, elastic base 41 and direct current filter body 1 direct contact, connecting block 42 limits and fixes direct current filter body 1, and the horizontal direction's that direct current filter body 1 received power can be offset to spring 43 and elastic column 44, and the vertical direction's that direct current filter body 1 received power can be offset to elastic base 41, protects direct current filter body 1, cushions the power that direct current filter body 1 received.
As shown in fig. 3, in this embodiment, the connecting block 42 is provided with a second notch corresponding to the dc filter body 1 for the interface of the dc filter body 1 to pass through. During the actual use, set up the second breach and make things convenient for the interface of direct current filter body 1 to pass through.
All the technical features in the embodiment can be freely combined according to actual needs.
The above embodiments are preferred implementations of the present invention, and in addition, the present invention includes other implementations, and any obvious replacement is within the protection scope of the present invention without departing from the concept of the present invention.
Claims (5)
1. A kind of direct current filter protective device, characterized by that: including direct current filter body, go up the mount pad, damper and radiator fan down, direct current filter body fixed mounting is between last mount pad and the mount pad down, goes up the mount pad and passes through direct current filter body and mount pad fixed connection down, and the both sides of going up the mount pad are provided with the heat dissipation through-hole, goes up the inside fixedly connected with fretwork board of mount pad, and the fretwork board is located direct current filter body directly over, and the top of going up the mount pad is seted up just to the installing port of fretwork board, installing port department installs the radiator fan who bloies the direct current filter body and dispel the heat, and radiator fan external power supply, damper install in the interior bottom of mount pad down, go up the mount pad and set up the first breach that the interface that supplies direct current filter body passes through with the interface that the direct current filter body corresponds the mount pad down.
2. A dc filter protection device according to claim 1, wherein: the cooling fan is electrically connected with a temperature control switch, and the temperature control switch is installed inside the upper installation seat.
3. A dc filter protection device according to claim 1, wherein: and a contact pin protective sleeve is arranged at the interface of the direct current filter body and wraps the connecting wire of the direct current filter body.
4. A dc filter protection device according to claim 1, wherein: the damping assembly comprises an elastic base, a connecting block, a spring and an elastic column, the bottom of the elastic base is fixedly connected with a lower mounting seat, the periphery of the elastic base is fixedly connected with the connecting block, the spring is sleeved on the elastic column and is fixedly connected with the connecting block and the lower mounting seat respectively, and the elastic column is fixedly connected with the connecting block and the lower mounting seat respectively.
5. A DC filter protection device according to claim 4, characterized in that: and the connecting block is provided with a second notch corresponding to the direct current filter body for the direct current filter body to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021953917.0U CN212751795U (en) | 2020-09-08 | 2020-09-08 | Direct current filter protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021953917.0U CN212751795U (en) | 2020-09-08 | 2020-09-08 | Direct current filter protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212751795U true CN212751795U (en) | 2021-03-19 |
Family
ID=75002697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021953917.0U Active CN212751795U (en) | 2020-09-08 | 2020-09-08 | Direct current filter protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212751795U (en) |
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2020
- 2020-09-08 CN CN202021953917.0U patent/CN212751795U/en active Active
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