CN211088253U - S-shaped flow passage cooling device suitable for non-arc switch - Google Patents
S-shaped flow passage cooling device suitable for non-arc switch Download PDFInfo
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- CN211088253U CN211088253U CN201922269874.8U CN201922269874U CN211088253U CN 211088253 U CN211088253 U CN 211088253U CN 201922269874 U CN201922269874 U CN 201922269874U CN 211088253 U CN211088253 U CN 211088253U
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Abstract
The utility model relates to an S-shaped flow passage cooling device suitable for an arcless switch, which comprises a radiator upper cover, an S-shaped cooling liquid circulating pipeline, a radiator lower cover, an insulating bracket, an installation cover, an installation bracket and a circulating water pump; the S-shaped cooling liquid circulating pipeline comprises at least one S-shaped structural pipeline and is arranged inside the upper radiator cover, the upper radiator cover and the lower radiator cover are fixedly connected to form a radiator mechanism, the radiator mechanisms are respectively arranged on the upper side and the lower side of the arcless switch, the insulating support is arranged between the lower radiator cover and the mounting cover, the mounting cover is positioned between the insulating support and the mounting support, and the mounting covers and the mounting supports on the two sides of the arcless switch are fixedly connected through bolts, so that the arcless switch is fixed between a pair of radiator mechanisms; and the circulating water pump is connected with the S-shaped cooling liquid circulating pipeline to provide cooling liquid for the S-shaped cooling liquid circulating pipeline. The utility model discloses a change runner type, promote cooling efficiency to satisfy the actual demand.
Description
Technical Field
The utility model belongs to the technical field of the cooling device of no arc switch, especially, relate to S type runner cooling device suitable for no arc switch.
Background
The power non-arc circuit breaker is a non-arc power circuit breaker using silicon as a material, and the circuit breaker realizes bidirectional current control by using a semiconductor principle. When the electric arc-free breaker works, the temperature of the IGBT is increased because the semiconductor switching technology utilizes the P/N junction of the semiconductor and the loss of the power of the semiconductor. The reasons for the heat generation of the power device are mainly two: firstly, when the power device is conducted, the on-state loss is generated; and the second is the switching loss generated in the process of switching on and off the power device. Therefore, how to reasonably distribute the heat of the IGBT to ensure the safe operation of the IGBT, and the effective cooling becomes the key problem of switching on and off heavy current of the arc-free circuit breaker. The traditional air-cooled heat dissipation is influenced by the environment to a high degree, and the heat dissipation efficiency of the direct current channel is too low, so that the working conditions of high power consumption and high loss cannot be met. Based on the existing problem, study a novel S type runner cooling device suitable for no arc circuit breaker, the device promotes cooling efficiency through changing the runner type to satisfy actual demand, have important meaning.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a novel S type runner cooling device suitable for arcless circuit breaker, the device promotes cooling efficiency through the change runner type to satisfy actual demand.
The utility model provides a its technical problem take following technical scheme to realize:
the S-shaped flow channel cooling device suitable for the arcless switch comprises a radiator upper cover, an S-shaped cooling liquid circulating pipeline, a radiator lower cover, an insulating support, a mounting cover, a mounting support and a circulating water pump;
the S-shaped cooling liquid circulating pipeline comprises at least one S-shaped structural pipeline and is arranged inside the upper radiator cover, the upper radiator cover and the lower radiator cover are fixedly connected to form a radiator mechanism, the radiator mechanisms are respectively arranged on the upper side and the lower side of the arcless switch, the insulating support is arranged between the lower radiator cover and the mounting cover, the mounting cover is positioned between the insulating support and the mounting support, and the mounting covers and the mounting supports on the two sides of the arcless switch are fixedly connected through bolts, so that the arcless switch is fixed between a pair of radiator mechanisms; s-shaped cooling liquid circulating pipelines in the radiator mechanisms on two sides of the non-arc switch are communicated through a connecting pipeline, and the circulating water pump is connected with the pair of S-shaped cooling liquid circulating pipelines to form cooling circulation.
Furthermore, one end of the insulating support is provided with a raised positioning block, the radiator upper cover is provided with a corresponding first positioning hole, and the insulating support is inserted into the first positioning hole through the positioning block to realize the positioning between the insulating support and the radiator upper cover.
Furthermore, a first positioning groove is formed in one end of the mounting cover in a protruding mode, an arc-shaped notch matched with the first positioning groove is formed in the mounting support, the first positioning groove is inserted into the arc-shaped notch, and one end of the insulating support is installed in the first positioning groove.
Furthermore, a second positioning groove is formed in the lower cover of the radiator, and the protrusion on the arcless switch is matched with the second positioning groove for positioning.
Furthermore, the upper cover and the lower cover of the radiator are made of aluminum alloy.
The utility model has the advantages that:
the utility model discloses a make the coolant liquid along the radiator mechanism of major loop flow through arcless switch both sides, the coolant liquid circulating line who flows through radiator mechanism inner chamber carries out the heat exchange with power module, takes away the heat, and the device can effectual maximum operating voltage, maximum operating current, the biggest peak current and the peak current who promotes electric power arcless switch endure time.
Drawings
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for illustrative purposes only and thus are not intended to limit the scope of the present invention. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of an S-shaped flow channel cooling device suitable for an arcless switch according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a radiator upper cover of an S-shaped flow channel cooling device suitable for an arcless switch according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a lower cover of a heat sink of an S-shaped flow channel cooling device suitable for an arcless switch according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an arcless switch of an S-shaped flow channel cooling device suitable for an arcless switch according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an insulating support of an S-shaped flow channel cooling device suitable for an arcless switch according to an embodiment of the present invention;
fig. 6 is a schematic view of a mounting cover of an S-shaped flow passage cooling device suitable for an arcless switch according to an embodiment of the present invention;
fig. 7 is a schematic view of a mounting bracket of an S-shaped flow passage cooling device suitable for an arcless switch according to an embodiment of the present invention;
fig. 8 is a schematic view of an S-shaped coolant circulation pipeline of an S-shaped flow passage cooling device suitable for an arcless switch according to an embodiment of the present invention;
Detailed Description
First, it should be noted that the specific structures, features, advantages, etc. of the present invention will be described in detail below by way of example, but all the descriptions are only for illustrative purpose and should not be construed as forming any limitation to the present invention. Furthermore, any single feature described or implicit in any embodiment or any single feature shown or implicit in any drawing may still be combined or subtracted between any of the features (or equivalents thereof) to obtain still further embodiments of the invention that may not be directly mentioned herein. In addition, for the sake of simplicity, the same or similar features may be indicated in only one place in the same drawing.
The present invention will be described in detail with reference to fig. 1 to 8.
As shown in fig. 1 to 8, the S-shaped flow channel cooling device suitable for the arcless switch provided in this embodiment is characterized in that: the radiator comprises an upper radiator cover 1, an S-shaped cooling liquid circulating pipeline 2, a lower radiator cover 3, an insulating support 5, a mounting cover 6, a mounting support 7 and a circulating water pump 10;
the S-shaped cooling liquid circulating pipeline 2 comprises at least one S-shaped structure pipeline, the S-shaped cooling pipelines are integrally distributed in an S shape and are arranged inside the upper radiator cover 1, and the upper radiator cover 1 and the lower radiator cover 3 are fixedly connected to form a radiator mechanism and are arranged on the upper side and the lower side of the arcless switch; the radiator mechanisms on the upper side and the lower side are connected through a connecting pipe, so that the upper S-shaped cooling pipeline and the lower S-shaped cooling pipeline are communicated, and circulation of cooling liquid is realized; the length of the connecting pipe is adjusted according to the size of the arcless switch, the number of the S-shaped structure pipelines is adjusted according to the size of the radiator, when the radiator is larger, the number of the S-shaped structure pipelines is increased, and the S-shaped structure pipelines are required to be basically filled in the radiator; the S-shaped cooling liquid circulating pipeline 2 is installed inside the radiator upper cover 1, the radiator upper cover 1 and the radiator lower cover 3 are fixedly connected to form a radiator mechanism, the radiator mechanism is installed on the upper side and the lower side of the arcless switch 4 respectively, the insulating support 5 is installed between the radiator lower cover 3 and the installation cover 6, the installation cover 6 is located between the insulating support 5 and the installation support 7, and the installation covers 6 and the installation supports 7 on the two sides of the arcless switch 4 are fixedly connected through bolts, so that the arcless switch is fixed between a pair of radiator mechanisms; s-shaped cooling liquid circulating pipelines 2 in the radiator mechanisms on two sides of the non-arc switch are communicated through connecting pipelines, and the circulating water pump 10 is connected with the pair of S-shaped cooling liquid circulating pipelines 2 to form cooling circulation.
It should be noted that one end of the insulating support 5 is provided with a raised positioning block 11, the radiator upper cover 1 is provided with a corresponding first positioning hole 12, and the insulating support 5 is inserted into the first positioning hole 12 through the positioning block 11 to realize the positioning between the insulating support and the radiator upper cover 1; one end of the mounting cover 6 protrudes to form a first positioning groove 13, an arc-shaped notch 14 matched with the first positioning groove 13 is formed in the mounting support 7, the first positioning groove 13 is inserted into the arc-shaped notch 14, and one end of the insulating support 5 is mounted in the first positioning groove 13; and a second positioning groove 15 is formed in the lower cover 3 of the radiator, and the protrusions on the arcless switch are matched with the second positioning groove 15 for positioning.
It should be noted that, the fixing and connecting method of the present invention adopts conventional means such as bolts, rivets, welding, etc. which are mature in the prior art, and is not described herein again, but due to the above reasons, the repeated reproduction of the technicians in the field will not be affected.
For example, in this embodiment, when the circulating water pump is in operation, the circulating water pump is pressurized, so that the coolant flows through the radiator mechanisms on the two sides of the arcless switch along the main loop, the coolant circulating pipeline flowing through the inner cavity of the radiator mechanism exchanges heat with the power module to take away heat, and then flows back to the constant-temperature water area to enter the next circulation; the adopted cooling liquid circulating pipeline is an S-shaped return flow channel, and the S-shaped return flow channel can increase the heat exchange area, increase the turbulent flow of the cooling liquid and improve the heat dissipation capacity; the radiator mechanism is made of aluminum alloy, and has good heat-conducting property and light weight; the cooling liquid can adopt a mixed liquid of 50% of glycol and 50% of pure water to ensure the cooling efficiency.
The device has the advantages that the device is mainly embodied in indexes such as working voltage, working current, peak current and peak current tolerance time, and can effectively improve the maximum working voltage, the maximum working current, the maximum peak current and the peak current tolerance time of the electric arc-free switch. As shown in table 1 below:
TABLE 1
It should be noted that the arcless switch may be an IGBT, which is an existing product, and its external structure is shown in fig. 4.
The above embodiments are described in detail, but the above description is only for the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (5)
1. S type runner cooling device suitable for no arc switch, its characterized in that: the cooling device comprises a radiator upper cover (1), an S-shaped cooling liquid circulating pipeline (2), a radiator lower cover (3), an insulating support (5), a mounting cover (6), a mounting support (7) and a circulating water pump (10);
the S-shaped cooling liquid circulating pipeline (2) comprises at least one S-shaped structure pipeline and is arranged inside the upper radiator cover (1), the upper radiator cover (1) and the lower radiator cover (3) are fixedly connected to form a radiator mechanism, the radiator mechanism is respectively arranged on the upper side and the lower side of the arcless switch, the insulating support (5) is arranged between the lower radiator cover (3) and the mounting cover (6), the mounting cover (6) is positioned between the insulating support (5) and the mounting support (7), and the mounting covers (6) and the mounting supports (7) on the two sides of the arcless switch are fixedly connected through bolts, so that the arcless switch is fixed between a pair of radiator mechanisms; s-shaped cooling liquid circulating pipelines (2) in the radiator mechanisms on two sides of the non-arc switch are communicated through connecting pipelines, and the circulating water pump (10) is connected with the pair of S-shaped cooling liquid circulating pipelines (2) to form cooling circulation.
2. The S-shaped flow channel cooling device suitable for the arcless switch of claim 1, wherein: the heat radiator is characterized in that one end of the insulating support (5) is provided with a raised positioning block (11), the heat radiator upper cover (1) is provided with a corresponding first positioning hole (12), and the insulating support (5) is inserted into the first positioning hole (12) through the positioning block (11) to realize positioning between the insulating support and the heat radiator upper cover (1).
3. The S-shaped flow channel cooling device suitable for the arcless switch of claim 2, wherein: the installation cover (6) one end protrusion forms first constant head tank (13), be equipped with on installing support (7) with arc breach (14) that first constant head tank (13) match, first constant head tank (13) insert arc breach (14), install insulating support (5) one end in first constant head tank (13).
4. The S-shaped flow channel cooling device suitable for the arcless switch of claim 1, wherein: and a second positioning groove (15) is formed in the lower radiator cover (3), and the protrusion on the arcless switch is matched with the second positioning groove (15) for installation and positioning.
5. The S-shaped flow channel cooling device suitable for the arcless switch of claim 1, wherein: the radiator upper cover (1) and the radiator lower cover (3) are made of aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922269874.8U CN211088253U (en) | 2019-12-17 | 2019-12-17 | S-shaped flow passage cooling device suitable for non-arc switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922269874.8U CN211088253U (en) | 2019-12-17 | 2019-12-17 | S-shaped flow passage cooling device suitable for non-arc switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211088253U true CN211088253U (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922269874.8U Active CN211088253U (en) | 2019-12-17 | 2019-12-17 | S-shaped flow passage cooling device suitable for non-arc switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211088253U (en) |
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- 2019-12-17 CN CN201922269874.8U patent/CN211088253U/en active Active
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