CN110829796A - Quick detach formula forced air cooling's thyristor valves - Google Patents
Quick detach formula forced air cooling's thyristor valves Download PDFInfo
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- CN110829796A CN110829796A CN201911039754.7A CN201911039754A CN110829796A CN 110829796 A CN110829796 A CN 110829796A CN 201911039754 A CN201911039754 A CN 201911039754A CN 110829796 A CN110829796 A CN 110829796A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/209—Heat transfer by conduction from internal heat source to heat radiating structure
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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Abstract
The invention relates to a quick-release forced air-cooled thyristor valve group, which comprises a pair of insulating side plates arranged in parallel and support assemblies arranged between the side plates in a layered and parallel manner, wherein the support assemblies are arranged perpendicular to the side plates, a thyristor unit is fixedly arranged between every two adjacent support assemblies, the support assembly at the first layer and the support assembly at the last layer are detachably connected with the thyristor unit closest to the support assembly, all the thyristor units are arranged in the same direction, and the anodes or cathodes of the adjacent thyristor units are detachably and electrically connected in pairs; the thyristor unit is also provided with an input/output copper bar, the input/output copper bar is connected with the anode or the cathode of the thyristor unit, and a wind shield is arranged behind the side plate. The invention has the advantages of quick disassembly and replacement, simple and convenient maintenance, forced air cooling, high heat dissipation efficiency, small volume, light weight, flexible adjustment of the direction of the thyristor unit, formation of a topological structure suitable for various rectification/inversion schemes and the like.
Description
Technical Field
The invention relates to the technical field of switching power supplies, in particular to a quick-release forced air cooling thyristor valve bank.
Background
Generally, the thyristor units are fixed on an insulating plate and then connected by a conducting bar to form a valve group. There are the following problems: the thyristor unit is fixed on the insulating plate and is not easy to detach and replace, so that the maintenance difficulty is increased; an effective heat dissipation air duct cannot be formed, and the heat radiator is low in heat dissipation efficiency, large in size, heavy in weight and high in cost; the requirements of various rectification/inversion schemes cannot be met, and when the rectification/inversion schemes are replaced, the traditional valve bank needs to redesign the structural scheme, so that the workload is increased; when the thyristor units are arranged, a large space is required to meet a proper electrical safety interval.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a quick-release forced air cooling thyristor valve group which has the characteristics of quick disassembly and unit replacement, simple and convenient maintenance, forced air cooling, high heat dissipation efficiency, small volume, light weight, adjustable thyristor unit direction, formation of a topological structure suitable for various rectification/inversion schemes and the like.
The technical scheme for solving the technical problems is as follows:
a quick-release forced air-cooled thyristor valve group comprises a pair of insulating side plates arranged in parallel and support assemblies arranged between the side plates in a layered and parallel mode, wherein the support assemblies are arranged perpendicular to the side plates, a thyristor unit is fixedly arranged between every two adjacent support assemblies, the support assembly at the first layer and the support assembly at the last layer are detachably connected with the thyristor unit closest to the support assemblies, all the thyristor units are arranged in the same direction, and anodes or cathodes of the adjacent thyristor units are detachably and electrically connected in pairs; and the thyristor unit is also provided with an input/output copper bar, and the input/output copper bar is connected with the anode or the cathode of the thyristor unit.
The beneficial effects of the technical scheme are as follows: according to the quick-release forced air-cooled thyristor valve group, all thyristor units are arranged in a straight line in a layered mode, anodes or cathodes of adjacent thyristor units are connected end to end through the detachable conductive connecting piece, so that all thyristor units are connected in series to form a thyristor valve string, the purpose of quickly disassembling and replacing the thyristor units can be achieved by disassembling the conductive connecting piece, and after the direction of the anodes or cathodes of the thyristor units is changed, the conductive connecting piece can be assembled again; the thyristor valve string can form various topological structures of inversion or rectification by exchanging. The gaps between each layer of thyristor units form an air channel, and the cooling air is forced to blow to the thyristor units by the vertical side plates and the support component and flow out along the air channel, so that the temperature of each layer of thyristor units can be effectively reduced. The invention has the characteristics of quick disassembly and replacement of the thyristor unit, simple and convenient maintenance, forced air cooling, high heat dissipation efficiency, small volume, light weight, flexible adjustment of the direction of the thyristor unit, formation of a topological structure suitable for various rectification/inversion schemes and the like.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the thyristor unit comprises a thyristor and a pair of radiators which are fixedly connected integrally, and the pair of radiators are respectively arranged on two spaced side surfaces of the thyristor; the pair of radiators are respectively and electrically connected with the anode and the cathode of the thyristor, and the pair of radiators are mutually insulated. The radiator not only keeps the self heat dissipation function, but also is equal to the anode or the cathode of the thyristor, and the radiator of the adjacent thyristor unit is connected through the conductive connecting piece, so that the function of connecting the adjacent thyristor electrode can be realized.
Further, a pair of the heat sinks of the thyristor unit are each abutted against one of the standoff assemblies. The two sides of the bracket component are respectively close to a radiator of the adjacent thyristor unit, namely, a pair of radiators on the thyristor unit are respectively close to the bracket component, and one radiator of the thyristor unit on the uppermost layer is attached to the bracket component, and the other radiator is fixedly connected with the bracket component on the uppermost layer through a detachable bolt.
Further, the pair of radiators of the thyristor unit is fixedly connected through an insulating bolt, and the radiators are tightly pressed with the surface of the thyristor. The pair of radiators are provided with through holes in the same direction, and the bolts sleeved with the insulating sleeve rods penetrate through the through holes to tightly press the pair of radiators and the thyristor so as to reduce contact thermal resistance and maximally conduct and radiate heat of the thyristor.
Furthermore, a plurality of radiating fins are arranged on the radiator, through holes parallel to the support component are formed among the radiating fins, and air channels are formed among the through holes among the radiating fins. The number of the radiating fins is increased as much as possible to increase the number of the air channels, the plurality of radiating air channels are arranged in parallel, and when forced radiating air blows out, the radiator can conduct and radiate the heat of the thyristor more efficiently. The weight of the radiator is also reduced due to the arrangement of the fins.
Further, adjacent radiator on adjacent thyristor unit carries out electric short circuit through the short circuit copper bar, the short circuit copper bar with the radiator passes through bolt fixed connection. Can dismouting thyristor unit fast through the dismouting bolt, accessible bolt is fast again with thyristor unit back when changing, easy operation, consuming time weak point.
Furthermore, the bracket component comprises a pair of L-shaped brackets which are symmetrically arranged, one arm of each L-shaped bracket is fixedly connected with the side plate, and the other arm of each L-shaped bracket is attached to the thyristor unit; and the L-shaped bracket is also provided with a limiting strip, and the thyristor unit is abutted against the limiting strip. The limiting strips are used for positioning the thyristor units, the thyristor units are prevented from sliding out of the support component, and connection points can be found quickly and accurately when the radiator between the adjacent thyristor units is connected.
Furthermore, an insulating partition plate is arranged between every two adjacent thyristor units and fixedly installed on the support assembly. The setting of insulating barrier separates the connecting piece between adjacent thyristor unit, prevents that adjacent thyristor unit from passing through the connecting piece and discharging, still can increase the fastness of bracket component simultaneously.
Furthermore, the side plate is also provided with a sealing plate, and the sealing plate is vertical to the side plate and the support assembly in pairs; the blanking plate is provided with an opening, and the size of the opening is matched with that of the thyristor unit. When forced cooling air blows, the sealing plate blocks the part which does not need to be cooled, and the air is guided to the air channel of the thyristor unit, so that the cooling effect is more ideal.
Further, still fixed mounting has roof and bottom plate on the curb plate, the roof with the bottom plate is parallel the bracket component sets up. The firmness between the side plates is reinforced by the arrangement of the top plate and the bottom plate.
The invention has the beneficial effects that: according to the quick-release forced air-cooled thyristor valve group, all thyristor units are arranged in a straight line in a layered mode, anodes or cathodes of adjacent thyristor units are connected end to end through the detachable conductive connecting piece, so that all thyristor units are connected in series to form a thyristor valve string, the purpose of quickly disassembling and replacing the thyristor units can be achieved by disassembling the conductive connecting piece, after a new thyristor unit is replaced or the direction of the anode/cathode of the thyristor unit is changed, the conductive connecting piece is assembled again, namely, the reinstallation is completed, and the operation is simple and convenient; by changing the direction of the thyristor, the thyristor valve string can form various topological structures of inversion or rectification, and the requirements of various electrical structures are met. The gaps of the radiators on each layer form air channels, the cooling air is forced to blow to the thyristor units through the vertical side plates and the support component and flow out along the air channels, and therefore the temperature of the thyristor units on each layer can be effectively reduced. The invention has the characteristics of quick disassembly and replacement, simple and convenient maintenance, forced air cooling, high heat dissipation efficiency, small volume, light weight, flexible adjustment of the direction of the thyristor unit, formation of a topological structure suitable for various rectification/inversion schemes and the like.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a right side view of the present invention;
FIG. 4 is a rear view of the present invention;
FIG. 5 is a left side view of the present invention;
FIG. 6 is a top view of the present invention;
FIG. 7 is an enlarged view of a portion I of the present invention;
FIG. 8 is an enlarged view of a portion II of the present invention;
FIG. 9 is an enlarged view of a portion III of the present invention;
FIG. 10 is a schematic view of an L-shaped bracket of the present invention;
FIG. 11 is a first topological structure of the present invention;
FIG. 12 is a second topological structure diagram of the present invention;
FIG. 13 is a third topological structure diagram of the present invention;
fig. 14 is a schematic view of a clip of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the device comprises a side plate, 2, a bracket component, 201, an L-shaped bracket, 202, a limiting strip, 203, an insulating partition plate, 3, a thyristor unit, 301, a thyristor, 302, a radiator, 3021, an insulating bolt, 4, a short circuit copper bar, 5, an input/output copper bar, 6, a top plate, 601, a hanging ring, 7, a bottom plate, 8, a pulley, 9, an absorption capacitor mounting plate, 901, an absorption capacitor, 10, a sampling resistor mounting plate, 1001, a sampling resistor, 11, a sealing plate, 12 and a fixing clip.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
A quick-release forced air cooling thyristor valve group is shown in figures 1-6 and comprises a pair of insulating side plates 1 arranged side by side and support assemblies 2 arranged between the side plates 1 in a layered and side-by-side mode, wherein the support assemblies 2 are arranged perpendicular to the side plates 1, a thyristor unit 3 is fixedly arranged between every two adjacent support assemblies 2, the support assembly 2 at the first layer and the support assembly 2 at the last layer are detachably connected with the thyristor unit 3 closest to the support assemblies, all the thyristor units 3 are arranged in the same direction, and anodes or cathodes of the adjacent thyristor units 3 are detachably and electrically connected in pairs; the thyristor unit 3 is also provided with an input/output copper bar 5, and the input/output copper bar 5 is connected with the anode or the cathode of the thyristor unit 3. More specifically, as shown in fig. 1, a pair of side plates 1 arranged in parallel and a multi-layer bracket assembly 2 form a frame together, and a thyristor unit 3 is embedded and mounted between each two adjacent layers of bracket assemblies 2. All thyristor units 3 are arranged along the same direction, that is, the pins of all thyristor units 3 face the same direction, as shown in fig. 9, the anode pin and the cathode pin of the thyristor unit 3, one facing upward and the other facing downward, are arranged as anode facing upward and cathode facing downward, or arranged as cathode facing upward and anode facing downward, as required by the topology. The control electrode of the thyristor unit 3 is led out to a trigger plate (not shown in the figure) outside the thyristor valve group through a lead. The adjacent electrodes (only anode or cathode) of any two adjacent thyristor units 3 are electrically shorted by a rigid connector, which can be flexibly disassembled. All the thyristor units 3 are connected end to end in such an electrical connection manner and are connected in series to form a thyristor valve string. The anode and the cathode of each thyristor unit 3 are also provided with an input/output copper bar 5, and only one input/output copper bar 5 is arranged on two electrodes which are electrically shorted on two adjacent thyristor units 3 to meet the requirement (after the two electrodes are shorted, the two electrodes are equipotential points, and at this moment, the input/output copper bar 5 is arranged on any one of the two electrodes, and the input/output copper bars 5 do not need to be arranged respectively).
In the quick-release forced air-cooled thyristor valve group, all thyristor units 3 are arranged in a straight line in a layered mode, anodes or cathodes of adjacent thyristor units 3 are connected end to end through the detachable conductive connecting piece, so that all thyristor units 3 are connected in series to form a thyristor valve string, the purpose of quickly disassembling and replacing the thyristor units 3 can be achieved by disassembling the conductive connecting piece, and the conductive connecting piece can be assembled again after the direction of the anodes or cathodes of the thyristor units 3 is changed; the thyristor valve string can be inverted or rectified in various topologies, such as the topologies shown in fig. 11 to 13, by exchanging the thyristor valve string. Gaps among all layers of thyristor units 3 form air channels, and forced cooling air blows to the thyristor units 3 through the vertical side plates 1 and the support assemblies 2 and flows out along the air channels, so that the temperature of each layer of thyristor units 3 can be effectively reduced. The invention has the characteristics of quick disassembly and replacement of the thyristor unit 3, simple and convenient maintenance, forced air cooling, high heat dissipation efficiency, small volume, light weight, flexible adjustment of the direction of the thyristor unit 3, formation of a topological structure suitable for various rectification/inversion schemes and the like.
On the basis of the technical scheme, the invention can be further improved as follows.
In this embodiment, the thyristor unit 3 includes an integrated fixedly connected thyristor 301 and a pair of heat sinks 302, the pair of heat sinks 302 are respectively disposed on two spaced side surfaces of the thyristor 301, as shown in fig. 9, one heat sink 302 is disposed on a top surface of the thyristor 301, and the other heat sink 302 is disposed on a bottom surface of the thyristor 301; a pair of the heat sinks 302 are electrically connected to the anode and the cathode of the thyristor 301, respectively, and the pair of the heat sinks 302 are insulated from each other and ensure a sufficient electrical gap. The heat sink 302 not only maintains its own heat dissipation function, but also is used as an anode pin or a cathode pin of the thyristor 301, and is connected to the heat sink 302 of the adjacent thyristor unit 3 through the conductive connecting piece, so as to play a role of connecting the electrodes of the adjacent thyristor 301. In this embodiment, the short-circuit copper bar 4 is used to connect the adjacent heat sinks 302 of the adjacent thyristor units 3, and the short-circuit copper bar 4 has rigidity, and not only serves as an electrical connector, but also plays a role in supporting the structure between the heat sinks 302. The input/output copper bar 5 is mounted on the heat sinks 302, and in order to ensure the electrical gap between two heat sinks 302 in the same thyristor unit 3, the position of the input/output copper bar 5 should not exceed the edge of the heat sink 302 facing the direction of the thyristor 301.
In this embodiment, a pair of the heat sinks 302 of the thyristor unit 3 are respectively abutted against one of the bracket assemblies 2. That is, both sides of the bracket assembly 2 are respectively close to one heat sink 302 of the adjacent thyristor unit 3, that is, a pair of heat sinks 302 on the thyristor unit 3 are respectively close to one bracket assembly 2, as shown in fig. 8, the upward-facing heat sink 302 of the uppermost thyristor unit 3 is fixedly connected with the uppermost fixing clip 12 by a detachable bolt, and the structure of the fixing clip 12 is shown in fig. 14. As shown in fig. 7, the downward-facing heat sink 302 of the thyristor unit 3 in the lowest layer is fixedly connected to the bracket assembly 2 in the lowest layer by a detachable bolt, when the thyristor unit 3 in the uppermost layer or the thyristor unit 3 in the lowest layer needs to be replaced, the connecting bolt between the thyristor unit 3 in the lowest layer and the bracket assembly 2 is detached, and then the short-circuit copper bar 4 connected to the adjacent thyristor unit 3 is detached, so that the thyristor unit 3 can be detached.
In this embodiment, the pair of heat sinks 302 of the thyristor unit 3 are fixedly connected by an insulating bolt 3021, and the heat sinks 302 abut against the surface of the thyristor 301. The pair of heat sinks 302 on the same thyristor unit 3 are provided with through holes in the same direction, and the insulating bolt 3021 sleeved with the insulating sleeve rod penetrates through the through holes to press the pair of heat sinks 302 and the thyristor 301 tightly, so that the contact thermal resistance between the heat sinks 302 and the thyristor 301 is reduced, excessive heat is prevented from being generated, and the heat of the thyristor 301 is conducted and radiated to the greatest extent.
In this embodiment, the heat sink 302 is provided with a plurality of heat dissipation fins, the heat dissipation fins are arranged in parallel with the through holes of the bracket assembly 2, and the through holes between the heat dissipation fins form an air duct. The number of the heat dissipation fins is increased as much as possible to increase the number of the air ducts, increase the contact area of the heat sink 302 with air, and reduce the weight of the heat sink 302. The plurality of heat dissipation air channels are arranged in parallel, and when forced cooling air blows over, the heat sink 302 can conduct and dissipate the heat of the thyristor 301 more efficiently.
In this embodiment, the adjacent heat sinks 302 on the adjacent thyristor units 3 are electrically shorted by a short-circuit copper bar 4, and the short-circuit copper bar 4 is fixedly connected with the heat sinks 302 by bolts. Can dismouting thyristor unit 3 fast through the dismouting bolt, accessible bolt is fast to assemble back thyristor unit 3 again behind the more with thyristor unit 3, easy operation, consuming time weak point. Adjacent thyristor units 3 are supported as electrical connection and structure through short circuit copper bars 4 and bolts, and the polarity of the thyristor 301 can be flexibly disassembled and exchanged to form various electrical connection topological structures for inversion or rectification.
In this embodiment, the bracket assembly 2 includes a pair of L-shaped brackets 201 symmetrically disposed, one arm of the L-shaped bracket 201 is fixedly connected to the side plate 1, and the other arm of the L-shaped bracket 201 is attached to the thyristor unit 3; as shown in fig. 10, which is a schematic structural diagram of an L-shaped bracket 201, a limiting strip 202 is further disposed at a terminal end of the L-shaped bracket 201, the limiting strip 202 is integrally disposed with the L-shaped bracket 201, and the thyristor unit 3 abuts against the limiting strip 202. The limiting strips 202 provide positioning for the thyristor units 3, prevent the thyristor units 3 from sliding out of the bracket assembly 2, and also facilitate finding connection points quickly and accurately when connecting the heat sinks 302 between adjacent thyristor units 3.
In this embodiment, an insulating spacer 203 is disposed between adjacent thyristor units 3, and the insulating spacer 203 is fixedly mounted on the bracket assembly 2. The setting of insulating barrier 203 separates the connecting piece between adjacent thyristor unit 3, prevents that adjacent thyristor unit 3 from discharging through the connecting piece, still can regard as the structural support of bracket component 2 simultaneously, increases bracket component 2's fastness.
In this embodiment, the side plate 1 is further provided with a sealing plate 11, and the sealing plate 11 is perpendicular to the side plate 1 and the bracket assembly 2 in pairs; the closing plate 11 is provided with an opening, the size of the opening is matched with that of the thyristor unit 3, and the opening is matched with the radiating fins to form an air duct. When forced cooling air blows, the sealing plate 11 blocks the hollow part between the upper and lower sheets of the radiator, so that the air speed is increased, the air is guided to the air channel of the thyristor unit 3, and the cooling effect is more ideal.
In this embodiment, a top plate 6 and a bottom plate 7 are further fixedly mounted on the side plate 1, and the top plate 6 and the bottom plate 7 are parallel to the support assembly 2. The arrangement of the top plate 6 and the bottom plate 7 reinforces the firmness between the side plates 1. The top plate 6 is also provided with a hanging ring 601, so that the thyristor valve group can be conveniently hung in the process of being installed on other equipment. The bottom of curb plate 1 still is equipped with pulley 8 for remove through rolling mode when needing to remove this thyristor valves, make the operation labour saving and time saving more.
In order to further increase the utilization rate of the thyristor valve group, an absorption capacitor mounting plate 9 and a sampling resistor mounting plate 10 can be fixedly mounted on the side plate 1, the absorption capacitor 901 is fixedly mounted on the absorption capacitor mounting plate 9, the sampling resistor 1001 is mounted on the sampling resistor mounting plate 10, and the absorption capacitor 901, the sampling resistor 1001 and the thyristor unit 3 are electrically connected by using a wire according to the requirement of an electrical connection topological structure.
According to the quick-release forced air-cooled thyristor valve group, all thyristor units 3 are arranged in a straight line in a layered mode, anodes or cathodes of adjacent thyristor units 3 are connected end to end through the detachable conductive connecting piece, so that all thyristor units 3 are connected in series to form a thyristor valve string, the purpose of quickly disassembling and replacing the thyristor units 3 can be achieved by disassembling the conductive connecting piece, after a new thyristor unit 3 is replaced or the direction of the anode/cathode of the thyristor unit 3 is changed, the conductive connecting piece is assembled again, namely, the reinstallation is completed, and the operation is simple and convenient; the thyristor valve string can form various topological structures of inversion or rectification by exchanging, and the requirements of various electrical structures are met. The gaps between the fins on each layer of radiator 302 form an air duct, and the cooling air is forced to blow to the thyristor units 3 through the vertical side plate 1 and the bracket component 2 and flow out along the air duct, so that the temperature of each layer of thyristor units 3 can be effectively reduced. The invention has the characteristics of quick disassembly and replacement, simple and convenient maintenance, forced air cooling, high heat dissipation efficiency, small volume, light weight, flexible adjustment of the direction of the thyristor unit 3, formation of a topological structure suitable for various rectification/inversion schemes and the like.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A quick-release forced air cooling thyristor valve group comprises a pair of insulating side plates (1) arranged in parallel and support assemblies (2) arranged between the side plates (1) in a layered and parallel mode, wherein the support assemblies (2) are perpendicular to the side plates (1), and the quick-release forced air cooling thyristor valve group is characterized in that a thyristor unit (3) is fixedly arranged between every two adjacent support assemblies (2), the support assembly (2) at the first layer and the support assembly (2) at the last layer are detachably connected with the thyristor unit (3) nearest to the support assembly at the first layer, and the anodes or cathodes of the adjacent thyristor units (3) are detachably and electrically connected in pairs; the thyristor unit (3) is also provided with an input/output copper bar (5), and the input/output copper bar (5) is connected with the anode or the cathode of the thyristor unit (3).
2. A quick release forced air cooled thyristor valve group according to claim 1, wherein the thyristor unit (3) comprises a thyristor (301) and a pair of heat sinks (302) which are fixedly connected in an integrated manner, and the pair of heat sinks (302) are respectively arranged on two sides of the thyristor (301) at intervals; the pair of radiators (302) are respectively and electrically connected with the anode and the cathode of the thyristor (301), and the pair of radiators (302) are mutually insulated.
3. A quick release forced air cooled thyristor valve assembly according to claim 2, wherein a pair of the heat sinks (302) of the thyristor unit (3) each abut against one of the bracket assemblies (2).
4. A quick release forced air cooled thyristor valve assembly according to claim 2, wherein a pair of heat sinks (302) of the thyristor unit (3) are fixedly connected by bolts (3021) sleeved with insulating sleeve rods, and the heat sinks (302) are pressed against the surface of the thyristor (301).
5. The quick release type forced air cooled thyristor valve set according to claim 2, wherein the heat sink (302) is provided with a plurality of heat dissipating fins, and an air duct is formed between the heat dissipating fins.
6. A quick release forced air cooled thyristor valve group according to claim 3, characterized in that adjacent heat sinks (302) on adjacent thyristor units (3) are electrically shorted by a shorting copper bar (4), and the shorting copper bar (4) is fixedly connected with the heat sinks (302) by bolts.
7. A quick release type forced air cooling thyristor valve group according to claim 1, characterized in that the bracket assembly (2) comprises a pair of L-shaped brackets (201) which are symmetrically arranged, one arm of the L-shaped bracket (201) is fixedly connected with the side plate (1), and the other arm of the L-shaped bracket (201) is attached to the thyristor unit (3); and the L-shaped bracket (201) is also provided with a limiting strip (202), and the thyristor unit (3) is abutted against the limiting strip (202).
8. A quick release forced air cooled thyristor valve assembly according to claim 1, wherein an insulating spacer plate (203) is arranged between adjacent thyristor units (3), and the insulating spacer plate (203) is fixedly mounted on the bracket assembly (2).
9. A quick-release forced air cooling thyristor valve group according to claim 5, characterized in that the side plate (1) is further provided with a sealing plate (11), and the sealing plate (11) is perpendicular to the side plate (1) and the bracket assembly (2) in pairs; the blanking plate (11) is provided with an opening, the size of the opening is matched with that of the thyristor unit (3), and the opening and the fins form an air duct.
10. A quick release type forced air cooled thyristor valve group according to claim 1, characterized in that a top plate (6) is further fixedly mounted on the side plate (1), and the top plate (6) is arranged in parallel with the bracket assembly (2).
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| CN201911039754.7A CN110829796A (en) | 2019-10-29 | 2019-10-29 | Quick detach formula forced air cooling's thyristor valves |
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| CN201911039754.7A CN110829796A (en) | 2019-10-29 | 2019-10-29 | Quick detach formula forced air cooling's thyristor valves |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111128927A (en) * | 2020-03-31 | 2020-05-08 | 深圳市永联科技股份有限公司 | High-power thyristor module heat abstractor |
| CN114144010A (en) * | 2021-11-17 | 2022-03-04 | 杭州汉安半导体有限公司 | Soft starting device for high-voltage motor |
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| CN114144010B (en) * | 2021-11-17 | 2024-02-09 | 杭州汉安半导体有限公司 | High-voltage motor soft starting device |
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Application publication date: 20200221 |