CN113890313A - Power module of energy storage converter and energy storage converter with power module - Google Patents

Power module of energy storage converter and energy storage converter with power module Download PDF

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Publication number
CN113890313A
CN113890313A CN202111472511.XA CN202111472511A CN113890313A CN 113890313 A CN113890313 A CN 113890313A CN 202111472511 A CN202111472511 A CN 202111472511A CN 113890313 A CN113890313 A CN 113890313A
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China
Prior art keywords
power module
groove
energy storage
storage converter
block
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Granted
Application number
CN202111472511.XA
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Chinese (zh)
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CN113890313B (en
Inventor
向彬
熊虎
沈煜
李文佩
李家源
江晓光
杨志淳
雷杨
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Hubei Fangyuan Dongli Electric Power Science Research Co ltd
Electric Power Research Institute of State Grid Hubei Electric Power Co Ltd
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Electric Power Research Institute of State Grid Hubei Electric Power Co Ltd
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Priority to CN202111472511.XA priority Critical patent/CN113890313B/en
Publication of CN113890313A publication Critical patent/CN113890313A/en
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Publication of CN113890313B publication Critical patent/CN113890313B/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M1/00Details of apparatus for conversion
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/24Circuit arrangements for boards or switchyards
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/32Mounting of devices therein
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56Cooling; Ventilation
    • H02B1/565Cooling; Ventilation for cabinets

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Rectifiers (AREA)

Abstract

The invention provides a power module of an energy storage converter and the energy storage converter with the power module, wherein the power module of the energy storage converter comprises an electrical cabinet, a power module box and a blower circuit assembly, two ends of the power module box are respectively and fixedly connected with a connecting block with a clamping block assembly and a clamping groove, the blower circuit assembly is used for providing heat dissipation air volume for the power module box on a placing plate through an air supply channel, the air supply channel is connected with a plurality of air outlets which are opened above the placing plate, the air outlets are correspondingly arranged in the area where the power module box is located, the connecting block with the clamping groove is provided with an inserting cylinder, and the placing plate is correspondingly provided with a positioning groove for inserting the inserting cylinder; an adjustable resistance mechanism connected with the blower circuit assembly and a wind shield linked with the adjustable resistance mechanism are arranged below the positioning groove. The invention can keep the power module box extending into the electrical cabinet fixed, and can control and adjust the blast rate and the blast blowing area of the blower, thereby improving the heat dissipation effect of the power module box.

Description

Power module of energy storage converter and energy storage converter with power module
Technical Field
The invention relates to the technical field of energy storage converters, in particular to a power module of an energy storage converter and the energy storage converter with the power module.
Background
Along with the development of power electronic technology, the energy storage converter develops towards the direction of integration and modularization, and the power module is used as a core component of the energy storage converter, so that the characteristics of high stability, high reliability and the like are met, and the practical application requirements of simple and light structure, convenience in installation and maintenance and the like are met. At present, a power unit and a high-frequency transformer of a power module are mostly independently installed, the integration level is not high, the high-frequency transformer is connected with an external circuit through a wire or a copper bar, the installation and the disassembly are difficult on the one hand, and the overhaul efficiency is extremely low. On the other hand, the contact surfaces are more, the contact resistance is large, and the problem of virtual connection or over-high local temperature rise is easy to occur when the energy storage converter runs at high power.
In the prior art, the utility model discloses an energy storage converter plug-in type power module structure of "CN 212627655U", including power module and the fixed energy storage converter power cabinet that sets up fixed cross beam in inside, sliding connection has directional guide rail on the power module, the last grafting contact that sets up of power module, the fixed plug socket that sets up on the fixed cross beam, the directional guide effect of directional guide rail is utilized, realize the electricity connection in making the grafting contact insert the plug socket, the accuracy of power module grafting location has been guaranteed, be interference fit between grafting contact and the plug socket, contact resistance is little, virtual joint and the problem that the area of contact is too big to generate heat have been avoided.
However, the prior art still has major defects, such as: the method comprises the following steps that 1, a plurality of power modules are placed in the same energy storage converter power cabinet, a positioning device is lacked among the power modules, the power modules are easy to slide and collide and damage when vibration occurs, and the power modules slide to cause the mutual separation of plug contacts and plug sockets; 2, a plurality of power modules can produce a large amount of heats in the course of the work, if the heat discharges and can cause adverse effect to power module's work in not in time, nevertheless lack heat abstractor in the energy storage converter power cabinet.
Disclosure of Invention
The present invention is directed to a power module of an energy storage converter and an energy storage converter with the power module, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a power module of energy storage converter, includes regulator cubicle and a plurality of power module case, its characterized in that: the electric cabinet also comprises a blower circuit assembly, wherein connecting blocks are fixedly connected to two ends of the power module box respectively, the two connecting blocks are respectively provided with a clamping block assembly and a clamping groove which are correspondingly inserted, a plurality of placing plates are fixedly connected between the inner walls of two sides of the electric cabinet at intervals, and the power module box is slidably arranged on the placing plates; the blower circuit assembly is used for providing heat dissipation air volume for the power module box on the placing plate through an air supply channel, the air supply channel is connected with a plurality of air outlets which are opened above the placing plate, and the air outlets are correspondingly arranged in the area where the power module box is located; the connecting block with the clamping groove is provided with an inserting cylinder, and the placing plate is correspondingly provided with a positioning groove for inserting the inserting cylinder; an adjustable resistance mechanism connected into the blower circuit assembly and a wind shield linked with the adjustable resistance mechanism are arranged below the positioning groove, and the wind shield blocks a wind supply channel where the power module box is located when a fixture block assembly and a clamping groove of the power module box are not clamped and fixed; when the power module box extends into the electrical cabinet and is clamped and fixed through the clamping block assembly and the clamping groove, the inserting cylinder is inserted into the positioning groove and simultaneously triggers the adjustable resistance mechanism to act so as to increase the air quantity provided by the blower circuit assembly, and meanwhile, the adjustable resistance mechanism triggers the wind shield to open the air supply channel where the power module box is located.
Furthermore, the connecting block with the clamping groove is also provided with an inserting cylinder release piece linked with the inserting cylinder, the inserting cylinder is electrically connected with the power module box, the positioning groove is internally provided with an inserting head electrically connected with an external transmission wire, and when the clamping and fixing of the clamping block component and the clamping groove are realized, the clamping block component drives the inserting cylinder release piece to move so that the inserting cylinder is inserted into the positioning groove and then connected with the inserting head.
Furthermore, a sliding plate is fixedly connected to the lower portion of the power module box, a plurality of guide rail grooves are formed in the lower portion of the sliding plate in a parallel spaced mode, and a plurality of guide rails which are inserted into the guide rail grooves in a one-to-one sliding mode are fixedly connected to the placing plate.
Further, the connecting block that has the draw-in groove has been seted up below open-ended grafting section of thick bamboo and has been stretched out the groove, a grafting section of thick bamboo stretch out the inslot and inwards be provided with fixed connection's in proper order elastic push rod, insulating guide cylinder and a grafting section of thick bamboo, elastic push rod upper end fixed connection is on a grafting section of thick bamboo stretches out the inslot roof, and when the fixture block subassembly did not stretch into the draw-in groove, elastic push rod was in compression state, and a grafting section of thick bamboo can't stretch into a grafting section of thick bamboo and stretch out the groove under the blockking of a grafting section of thick bamboo release.
Further, a grafting section of thick bamboo release including slide set up in push pedal in the draw-in groove, fixedly connected with push pedal elastic connecting rod between push pedal and draw-in groove inner wall, push pedal fixedly connected with slide stretch into a grafting section of thick bamboo and stretch out the groove and the cooperation blocks the baffle of a grafting section of thick bamboo, the baffle is seted up and is supplied the baffle to lead to the groove that the groove passed of baffle.
Furthermore, an insulating support plate is arranged in the positioning groove in a sliding mode, the upper portion of the insulating support plate is fixedly connected with the plug connector, a support plate elastic connecting block is fixedly connected between the insulating support plate and the inner wall of the positioning groove, and a lower pressing rod is fixedly connected to the lower portion of the insulating support plate.
Furthermore, the blower circuit assembly comprises a power supply, a blower and a plurality of adjustable resistance mechanisms which are arranged on the electrical cabinet and electrically connected in series through a lead, adjustable resistance grooves are arranged below the positioning grooves, and the adjustable resistance mechanisms are arranged in the adjustable resistance grooves one by one; the adjustable resistance mechanism comprises a conductive rod, an insulating connecting block, a resistance rod and two electricity connecting blocks which are arranged at intervals and fixedly connected downwards in sequence, the electricity connecting blocks are fixedly arranged in the adjustable resistance groove, the conductive rod and the resistance rod are positioned between the two electricity connecting blocks and are in sliding connection with the electricity connecting blocks, and the lower end of the lower pressing rod extends into the adjustable resistance groove in a sliding mode and is fixedly connected with the conductive rod; when the inserting cylinder does not extend into the positioning groove, the two ends of the resistance rod are electrically connected with the two electric connection blocks, when the inserting cylinder extends into the positioning groove and extrudes the plug connector, the conductive rod slides downwards to be electrically connected with the two electric connection blocks, and the resistance of the conductive rod is smaller than that of the resistance rod.
Furthermore, the placing plate is provided with an air supply channel along the direction that the power module box slides and extends into the electric cabinet, one end of the air supply channel, which is far away from the insertion hole of the power module box, is communicated with the air blast end of the air blower, and the air supply channel is connected with a plurality of air outlets which are opened above the placing plate; resistance bar fixedly connected with slides and stretches into air supply channel and the cooperation blocks the deep bead of air supply channel, and the wind through-hole has been seted up to the deep bead, and when a grafting section of thick bamboo did not stretch into the constant head tank, the resistance bar drove the deep bead and blocks the air supply channel, and when a grafting section of thick bamboo stretched into the constant head tank and extruded the bayonet joint, it made the wind through-hole of crossing of deep bead and air supply channel align to drive the deep bead lapse of lapse.
Furthermore, the clamping block assembly comprises a clamping block and an inserting block which is matched with the clamping block to extend into the clamping groove, the clamping block extends into the inserting block in a sliding mode, a clamping block elastic connecting rod is fixedly connected between one end, extending into the inserting block, of the clamping block and the inner wall of the inserting block, and the clamping groove is connected with an open groove for the clamping block to insert in a sliding mode.
An energy storage converter comprises an energy storage converter main body and the power module, wherein the energy storage module on the energy storage converter main body is used for being electrically connected with the power module.
Compared with the prior art, the invention has the beneficial effects that:
according to the power module of the energy storage converter and the energy storage converter with the power module, the power module box extending into the electrical cabinet is kept fixed through the matching arrangement of the fixture block assembly, the clamping groove, the inserting cylinder and the positioning groove, the problem that when the electrical cabinet shakes, a plurality of power module boxes slide to cause collision and damage is avoided, the air blowing rate and the air blowing area of the air blower are controlled and adjusted through the matching arrangement of the adjustable resistance mechanism and the wind shield, the heat dissipation effect of the power module boxes is improved, and the problem that the power module boxes are adversely affected due to heat accumulation is avoided.
Drawings
FIG. 1 is a schematic sectional front view of a single power module case according to the present invention;
FIG. 2 is an enlarged view of the structure of area A in FIG. 1;
FIG. 3 is a schematic diagram of the connection of two power module boxes according to the present invention;
FIG. 4 is an enlarged view of the structure of the area B in FIG. 3;
FIG. 5 is a side view of a single power module case of the present invention;
FIG. 6 is a schematic diagram of the power module box of the present invention extending into an electrical cabinet;
FIG. 7 is an enlarged view of the structure of the area C in FIG. 6;
fig. 8 is an enlarged view of the structure of region D in fig. 6.
In the figure: 1-power module box, 2-connecting block, 3-inserting block, 4-clamping block, 5-clamping block elastic connecting rod, 6-clamping groove, 7-open groove, 8-inserting cylinder extending groove, 9-elastic push rod, 10-insulating guide cylinder, 11-inserting cylinder, 12-power module output wire, 13-push plate, 14-push plate elastic connecting rod, 15-baffle, 151-baffle through groove, 16-sliding plate, 17-electrical cabinet, 171-power module box inserting opening, 18-placing plate, 181-guide rail, 19-positioning groove, 20-inserting joint, 21-insulating support plate, 22-support plate elastic connecting block, 23-pressing rod, 24-adjustable resistance groove, 25-conductive rod, 26-insulating connecting block, 27-resistance rod, 28-connecting block, 29-lead wire, 30-power supply, 31-blower, 32-wind shield, 321-wind passing through hole, 33-air outlet, 34-external transmission wire, 35-main air supply channel, 36-auxiliary air supply channel, 37-elastic collar, 38-baffle insertion groove and 39-wind shield insertion groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution:
the first embodiment is as follows:
a power module of an energy storage converter comprises an electrical cabinet 17 and a plurality of power module boxes 1, wherein the left end and the right end of each power module box 1 are fixedly connected with a connecting block 2, a sliding plate 16 is fixedly connected below each power module box 1, the lower part of each sliding plate 16 is provided with two guide rail grooves which are arranged in parallel and face left and right, one end of each connecting block 2 at the left end, far away from each power module box 1, is fixedly connected with a fixture block assembly, one end of each connecting block 2 at the right end, far away from each power module box 1, is provided with a clamping groove 6 for inserting the fixture block assembly, three placing plates 18 are fixedly connected between the left side wall and the right side wall of each electrical cabinet 17 at intervals in parallel, the left side wall of each electrical cabinet 17 is provided with a power module inserting hole 171 which is positioned above the placing plate 18, the inner wall at the right side of each electrical cabinet is fixedly connected with fixture block assemblies which are positioned above the placing plates 18, two guide rails 181 which face left and right and face one and are matched with the guide rail grooves, three power module boxes 1 can be placed on the placing plate 18 from left to right, the power module boxes 1 enter the electrical cabinet 17 through the power module insertion holes 171 and are conveyed rightwards on the placing plate 18, and the sliding process of the power module boxes 1 is guided through the matching arrangement of the guide rails 181 on the placing plate 18 and the guide rail grooves on the sliding plate 16, so that the clamping grooves 6 and the clamping block assemblies can be conveniently matched and clamped;
the first clamping groove 6 of the power module box 1 entering the electrical cabinet 17 is matched, clamped and fixed with the clamping block component on the inner wall of the right side of the electrical cabinet 17, so that the first power module box 1 is fixed, the other two power modules sequentially extend into the electrical cabinet 17, the second clamping groove 6 of the power module box 1 extending into the electrical cabinet 17 is matched, clamped and fixed with the first clamping block component of the power module box 1 extending into the electrical cabinet 17, so that the second power module box 1 is fixed, and similarly, the third clamping groove 6 of the power module box 1 extending into the electrical cabinet 17 is matched, clamped and fixed with the second clamping block component of the power module box 1 extending into the electrical cabinet 17, so that the power module box 1 extending into the electrical cabinet 17 is kept fixed through the matching arrangement of the clamping block components and the clamping grooves 6, so that the shaking of the electrical cabinet 17 is avoided, the problem of collision damage due to sliding among the power module cases 1.
Example two:
the second embodiment further improves the fixing effect of the power module box 1 on the basis of the first embodiment, namely: the connecting block 2 with the clamping groove 6 is provided with a splicing barrel extending groove 8 (shown in figure 2) with an opening at the lower part, an elastic push rod 9, an insulating guide barrel 10 and a splicing barrel 11 which are sequentially and fixedly connected are arranged downwards in the splicing barrel extending groove 8, the upper end of the elastic push rod 9 is fixedly connected to the top wall in the splicing barrel extending groove 8, the insulating guide barrel 10 has an insulating effect and ensures the fixing reliability of the splicing barrel 11 and the insulativity of the power module box 1, an electrically connected power unit and a high-frequency transformer are arranged in the power module box 1, the high-frequency transformer is electrically connected with a power module output wire 12, and one end of the power module output wire 12, which is far away from the high-frequency transformer, is electrically connected with the splicing barrel 11;
the connecting block 2 with the clamping groove 6 is also provided with an inserting cylinder releasing part linked with the inserting cylinder 11, the inserting cylinder releasing part comprises a push plate 13 which is arranged in the clamping groove 6) in a sliding way, a push plate elastic connecting rod 14 is fixedly connected between the push plate 13 and the inner wall of the clamping groove 6, the push plate 13 is fixedly connected with a baffle plate 15 which extends into the extending groove 8 of the inserting cylinder in a sliding way and is matched with the baffle plate to block the inserting cylinder 11, one side of the extending groove 8 of the inserting cylinder, which is far away from the clamping groove 6, is connected with a baffle plate inserting groove 38, the baffle plate 15 penetrates through the extending groove 8 of the inserting cylinder in a sliding way and extends into the baffle plate inserting groove 38 in a sliding way, the baffle plate inserting groove 38 guides and supports the sliding of the baffle plate 15, the stability of the sliding process of the baffle plate 15 is improved, the baffle plate 15 is provided with a baffle plate through groove 151, the push plate elastic connecting rod 14 has a supporting and stabilizing effect on the push plate 13, when the clamping block assembly does not extend into the clamping groove 6 to extrude the push plate 13, the baffle plate 15 to block the inserting cylinder 11, the baffle through groove 151 is located on the right side of the insertion cylinder 11, the elastic push rod 9 is in a compressed state, the insertion cylinder 11 cannot extend into the insertion cylinder extending groove 8 under the blocking of the baffle 15, the insertion cylinder 11 is prevented from extending out of an external environment and accumulating dust when the power module box 1 is not used, and adverse effects are caused on the electrical connection between the subsequent insertion cylinder 11 and the plug 20;
three positioning grooves 19 into which the inserting cylinders 11 of the three power module boxes 1 are inserted one by one are formed in the upper part of the placing plate 18 at intervals, an insulating support plate 21 is arranged in each positioning groove 19 in a sliding mode, a plug-in connector 20 is fixedly connected above the insulating support plate 21, a support plate elastic connecting block 22 is fixedly connected between the inner walls of the insulating support plate 21 and the positioning grooves 19, an external conveying wire 34 is electrically connected with the plug-in connector 20, one end, far away from the plug-in connector 20, of the external conveying wire 34 is electrically connected to the energy storage module, the power module is electrically connected with the energy storage module through the electrical connection of the inserting cylinders 11 and the plug-in connector 20, when the power module boxes 1 extend into the electrical cabinet 17 and are clamped and fixed through the fixture block assemblies and the clamping grooves 6, the inserting cylinders 11 are aligned with the corresponding positioning grooves 19, the inserting cylinders 11 and the insulating guide cylinders 10 slide downwards under the pushing of the elastic push rods 9 and extend into the positioning grooves 19, the realization is fixed to power module case 1's secondary, has further improved the fixed effect of power module case 1 in regulator cubicle 17, and a section of thick bamboo 11 slides down and with bayonet joint 20 electric connection, a section of thick bamboo 11 extrudes bayonet joint 20 downwards for bayonet joint 20 and insulating backup pad 21 slide down, backup pad elastic connection piece 22 is compressed, has further improved a section of thick bamboo 11 and bayonet joint 20's fastness of connection.
Example three:
in the third embodiment, the heat dissipation effect of the power module box 1 is increased on the basis of the second embodiment, that is, the third embodiment further includes a blower circuit assembly, and the blower circuit assembly includes a power supply 30, a blower 31 and a plurality of adjustable resistance mechanisms, which are arranged in the electrical cabinet 17 and electrically connected in series through a wire 29. A lower pressure rod 23 is fixedly connected below the insulating support plate 21, when the plug barrel 11 is electrically connected with the plug 20, the lower pressure rod 23 is driven by the insulating support plate 21 to slide downwards, any one of the placing plates 18 is provided with a group of series circuits in a matching way, any group of series circuits is a circuit formed by electrically connecting a power supply 30, a blower 31 and three groups of adjustable resistance mechanisms through leads 29, the blower 31 is fixedly connected at the right side of the electrical cabinet 17, adjustable resistance grooves 24 are arranged below the positioning grooves 19, the adjustable resistance mechanisms are arranged in the adjustable resistance grooves 24 one by one, each adjustable resistance mechanism comprises a conductive rod 25, an insulating connecting block 26, a resistance rod 27 and two electric connection blocks 28 which are arranged at intervals and are connected with the series circuits, the electric connection blocks 28 are fixedly arranged in the adjustable resistance grooves 24, the conductive rod 25 and the resistance rod 27 are positioned between the two electric connection blocks 28 and are connected with the electric connection blocks 28 in a sliding way, the lower end of the lower pressure rod 23 extends into the adjustable resistance groove 24 in a sliding mode and is fixedly connected with the conducting rod 25, and the resistance of the conducting rod 25 is smaller than that of the resistance rod 27.
When the inserting cylinder 11 does not extend into the positioning slot 19, the lower pressing rod 23 drives the conductive rod 25 to be kept stable, so that two ends of the resistance rod 27 are electrically connected with the two power receiving blocks 28, the resistance of the adjustable resistance mechanism is relatively large, when the inserting cylinder 11 extends into the positioning slot 19 and presses the inserting head 20, the inserting head 20 drives the lower pressing rod 23 to slide downwards through the insulating support plate 21, the lower pressing rod 23 drives the conductive rod 25 to slide downwards, so that the resistance rod 27 slides downwards to be separated from the power receiving blocks 28, and two ends of the conductive rod 25 are electrically connected with the two power receiving blocks 28, the resistance of the adjustable resistance mechanism is reduced, so that the resistance of the series circuit is reduced, the power of the air blower 31 is increased, the more the number of the power module boxes 1 fixed on the air blower placing plate 18 is increased, the smaller the resistance of the series circuit is, and the higher the power of the air blower 31 is, the smaller the number of the power module boxes 1 fixed on the placing plate 18 is, the larger the resistance of the series circuit is, the smaller the power of the blower 31 is, and further the blower speed of the blower 31 is adjusted, so that the blower 31 can automatically adjust the blower speed according to the number of the power module boxes 1 fixed on the placing plate 18, and the heat dissipation requirements required by the power module boxes 1 with different numbers are met;
an air supply channel is arranged in the left-right direction in the placing plate 18, the right end of the air supply channel is communicated with the air blowing end of an air blower 31, the air blown by the air blower 31 is conveyed in the air supply channel from right to left, the air supply channel is connected with a plurality of air outlets 33 which are opened above the placing plate 18, the air blown is blown out through the air outlets 33, the power module box 1 on the placing plate 18 is blown for heat dissipation, the resistance rod 27 is fixedly connected with a wind shield 32 which extends into the air supply channel in a sliding way and is matched with the air supply channel to block the air supply channel, the wind shield 32 is provided with an air passing through hole 321, when the splicing sleeve 11 does not extend into the positioning groove 19, the lower pressure rod 23 drives the conductive rod 25 to keep stable, the resistance rod 27 drives the wind shield 32 to block the air supply channel, the air passing through hole 321 is positioned above the air supply channel, the air blown can not be conveyed to left, and the air outlet 33 of the region of the placing plate 18 where the power module box 1 is not placed can not be blown out, when a splicing sleeve 11 extends into the positioning groove 19 and extrudes the splicing head 20, the splicing head 20 drives the lower pressing rod 23 to slide downwards through the insulating support plate 21, the lower pressing rod 23 drives the conducting rod 25 to slide downwards, the resistance rod 27 drives the wind shield 32 to slide downwards, the wind passing through hole 321 of the wind shield 32 is aligned with the air supply channel, the air blast is continuously conveyed leftwards through the wind passing through hole 32, the air outlet 33 of the placement plate 18 area for placing the power module box 1 is used for air outlet, the air blast blowing area is controlled and adjusted through the wind shield 32, the air blast can be accurately blown on the power module box 1, the heat dissipation effect on the power module box 1 is improved, and the utilization efficiency of the air blast of the air blower 31 is also improved.
Example four:
the fourth embodiment discloses the structure of the block assembly on the basis of the first embodiment, that is: the fixture block assembly comprises a fixture block 4 and an inserting block 3 which is matched with and extends into a clamping groove 6, one end of the fixture block 4 extending out of the inserting block 3 is obliquely arranged, the fixture block 4 is conveniently pressed into the inserting block 3 by the inner wall of the clamping groove 6, the fixture block 4 slides and extends into the inserting block 3, a fixture block elastic connecting rod 5 is fixedly connected between one end of the fixture block 4 extending into the inserting block 3 and the inner wall of the inserting block 3, the clamping groove 6 is connected with an open groove 7 for the fixture block 4 to slide and insert, in the process of inserting the inserting block 3 into the clamping groove 6, the fixture block 4 is pressed into the inserting block 3 by the inner wall of the clamping groove 6, the fixture block elastic connecting rod 5 is compressed until the inserting block 3 slides until the fixture block 4 is aligned with the open groove 7, the fixture block 4 extends into the open groove 7 under the elastic pushing of the fixture block elastic connecting rod 5, the fixture block 4 is clamped and fixed in the open groove 7, one end, far away from the clamping groove 6, is opened on the connecting block 2, the worker can manually press the clamping block 4 inserted into the open slot 7, so that the clamping block 4 is separated from the open slot 7, and the clamping block assembly and the clamping slot 6 are separated from clamping and fixing.
Example five:
the fifth embodiment optimizes the structure of the air supply channel on the basis of the third embodiment, namely: the air supply channel comprises a plurality of auxiliary air supply channels 36 which are arranged below the adjustable resistance groove 24 one by one, adjacent auxiliary air supply channels 36 are communicated through a main air supply channel 35, a wind shield 32 extends into the auxiliary air supply channel 36 in a sliding mode and is matched with and blocks the auxiliary air supply channel 36, the auxiliary air supply channel 36 is formed according to the size of the wind shield 32, the wind shield 32 can conveniently block the auxiliary air supply channel 36, the inner diameter of the main air supply channel 35 is larger, so that the resistance of blast air in the conveying process is reduced, the lower end of the auxiliary air supply channel 36 is connected with a wind shield insertion groove 39, the wind shield 32 penetrates through the auxiliary air supply channel 36 in a sliding mode and extends into the wind shield insertion groove 39, the wind shield insertion groove 39 guides and limits the sliding of the wind shield 32, the stability of the wind shield 32 in the sliding process is improved, elastic lantern rings 37 are fixedly connected on the inner walls of two sides of the communication between the auxiliary air supply channel 36 and the adjustable resistance groove 24 and the wind shield insertion groove 39, and the wind shield 32 slides through the elastic lantern rings 37, the provision of the elastic collar 37 improves the sealing property of the secondary air blowing passage 36, and reduces the blowing loss.
An energy storage converter comprises an energy storage converter main body and the power module, wherein the energy storage module on the energy storage converter main body is electrically connected with an external transmission wire 34, and when a plug-in cylinder 11 is electrically connected with a plug-in connector 20, the power module is electrically connected with the energy storage module.
The working principle is as follows: the power module box 1 enters the electrical cabinet 17, the power module box 1 is clamped and fixed with the fixture block assembly through the clamping groove 6, the fixture block assembly extrudes the push plate 13 to slide leftwards in the process of extending into the clamping groove 6, the push plate 13 drives the baffle plate 15 to slide leftwards together, so that the baffle plate through groove 151 moves to the position below the inserting cylinder 11, the baffle plate 15 does not block the inserting cylinder 11, the inserting cylinder 11 slides downwards under the pushing of the elastic push rod 9, the inserting cylinder 11 extends downwards out of the inserting cylinder extending groove 8 and extends into the positioning groove 19, and the inserting cylinder 11 downwardly extrudes the inserting head 20 and is electrically connected with the inserting head 20;
the plug 20 drives the lower pressure rod 23 to slide downwards through the insulating support plate 21, the lower pressure rod 23 drives the conductive rod 25 to slide downwards, the resistance rod 27 is made to slide downwards to be separated from the electric connection blocks 28, two ends of the conductive rod 25 are electrically connected with the two electric connection blocks 28, the resistance of the adjustable resistance mechanism is reduced, the resistance of the series circuit is reduced, the power of the air blower 31 is increased, and the air blowing speed of the air blower 31 is adjusted by arranging three groups of variable resistance mechanisms corresponding to the three positioning grooves 19;
the lower pressing rod 23 drives the conducting rod 25 to slide downwards, so that the resistance rod 27 drives the wind shield 32 to slide downwards, the air passing through hole 321 of the wind shield 32 is aligned with the air supply channel, air blowing continues to be conveyed leftwards through the air passing through hole 32, air outlet 33 of the placement plate 18 area for placing the power module box 1 is used for air outlet, and control and adjustment of the air blowing area are achieved.
The invention has the following characteristics:
1. the device ensures that the power module boxes extending into the electrical cabinet are kept fixed through the matching arrangement of the fixture block assembly and the clamping grooves, avoids the problem that a plurality of power module boxes slide to cause collision and damage when the electrical cabinet shakes, and secondarily fixes the power module boxes through the positioning grooves for the insertion of the insertion cylinder, thereby further improving the fixing effect of the power module boxes in the electrical cabinet;
2. this device is through depression bar down, the cooperation setting of conducting rod and resistance bar, make the quantity of placing the fixed power module case on the board and the resistance size negative correlation of series circuit, and then the realization is adjusted the blast air speed of air-blower, make the air-blower can be according to the quantity of placing the fixed power module case on the board independently adjust blast air speed, with this required heat dissipation demand of the power module case that adapts to different quantity, and blow off regional control regulation to the blast air through the deep bead, ensure that the blast air can be accurate must blow on the power module case, improve the radiating effect of power module case, also improve the utilization efficiency of blast air-blower blast air.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a power module of energy storage converter, includes regulator cubicle (17) and a plurality of power module case (1), its characterized in that: and a blower circuit assembly is also included and,
the power module box is characterized in that connecting blocks (2) are fixedly connected to two ends of the power module box (1), correspondingly inserted and connected clamping block assemblies and clamping grooves (6) are respectively arranged on the two connecting blocks (2), a plurality of placing plates (18) are fixedly connected to inner walls of two sides of the electric cabinet (17) at intervals, and the power module box (1) is slidably arranged on the placing plates (18);
the blower circuit assembly is used for providing heat dissipation air volume for the power module box (1) on the placing plate (18) through an air supply channel, the air supply channel is connected with a plurality of air outlets (33) which are opened above the placing plate (18), and the air outlets (33) are correspondingly arranged in the area where the power module box (1) is located;
the connecting block (2) with the clamping groove (6) is provided with an inserting cylinder (11), and the placing plate (18) is correspondingly provided with a positioning groove (19) for inserting the inserting cylinder (11);
an adjustable resistance mechanism connected into the blower circuit assembly and a wind shield linked with the adjustable resistance mechanism are arranged below the positioning groove (19), and the wind shield blocks an air supply channel where the power module box (1) is located when a fixture block assembly of the power module box (1) and the clamping groove (6) are not clamped and fixed;
when the power module box (1) extends into the electrical cabinet (17) and is clamped and fixed through the clamping block assembly and the clamping groove (6), the inserting cylinder (11) is inserted into the positioning groove (19) and simultaneously triggers the adjustable resistance mechanism to act so as to increase the air volume provided by the blower circuit assembly, and simultaneously the adjustable resistance mechanism triggers the wind shield to open the air supply channel where the power module box (1) is located.
2. The power module of an energy storage converter according to claim 1, characterized in that: the connecting block (2) with the clamping groove (6) is further provided with an inserting cylinder release piece linked with the inserting cylinder (11), the inserting cylinder (11) is electrically connected with the power module box (1), a connecting plug (20) electrically connected with an external conveying wire (34) is arranged in the positioning groove (19), and when the clamping and fixing of the clamping block assembly and the clamping groove (6) are achieved, the clamping block assembly drives the inserting cylinder release piece to move so that the inserting cylinder (11) is inserted into the positioning groove (19) and then connected with the connecting plug (20).
3. The power module of an energy storage converter according to claim 1, characterized in that: the power module box is characterized in that a sliding plate (16) is fixedly connected to the lower portion of the power module box (1), a plurality of guide rail grooves are formed in the lower portion of the sliding plate (16) in a parallel spaced mode, and a plurality of guide rails (181) which are inserted into the guide rail grooves in a one-to-one sliding mode are fixedly connected to the placing plate (18).
4. The power module of an energy storage converter according to claim 2, characterized in that: connecting block (2) with draw-in groove (6) have been seted up below open-ended grafting section of thick bamboo and have been stretched out groove (8), a grafting section of thick bamboo stretch out groove (8) inwards be provided with fixed connection's in proper order elasticity push rod (9), insulating guide cylinder (10) and a grafting section of thick bamboo (11), elasticity push rod (9) upper end fixed connection on a grafting section of thick bamboo stretches out roof in groove (8), when the fixture block subassembly does not stretch into draw-in groove (6), elasticity push rod (9) are in compression state, a grafting section of thick bamboo (11) can't stretch into a grafting section of thick bamboo under the blockking of a grafting section of thick bamboo release and stretch out groove (8).
5. The power module of an energy storage converter according to claim 4, characterized in that: a release of grafting section of thick bamboo including slide set up in push pedal (13) in draw-in groove (6), fixedly connected with push pedal elastic connecting rod (14) between push pedal (13) and draw-in groove (6) inner wall, push pedal (13) fixedly connected with slide and stretch into a grafting section of thick bamboo and stretch out groove (8) and cooperation baffle (15) that block a grafting section of thick bamboo (11), baffle (15) are seted up baffle logical groove (151) that can supply baffle logical groove (151) to pass.
6. The power module of an energy storage converter according to claim 1, characterized in that: an insulating support plate (21) is arranged in the positioning groove (19) in a sliding mode, the upper portion of the insulating support plate (21) is fixedly connected with the plug-in connector (20), a support plate elastic connecting block (22) is fixedly connected between the inner walls of the insulating support plate (21) and the positioning groove (19), and a lower pressing rod (23) is fixedly connected to the lower portion of the insulating support plate (21).
7. The power module of an energy storage converter according to claim 6, wherein: the blower circuit assembly comprises a power supply (30), a blower (31) and a plurality of adjustable resistance mechanisms, wherein the power supply (30), the blower (31) and the adjustable resistance mechanisms are arranged on the electrical cabinet (17) and are electrically connected in series through a lead (29), adjustable resistance grooves (24) are formed below the positioning groove (19), and the adjustable resistance mechanisms are arranged in the adjustable resistance grooves (24) one by one; the adjustable resistance mechanism comprises a conductive rod (25), an insulating connecting block (26), a resistance rod (27) and two electricity connecting blocks (28) which are arranged at intervals and fixedly connected downwards in sequence, wherein the electricity connecting blocks (28) are fixedly arranged in the adjustable resistance groove (24), the conductive rod (25) and the resistance rod (27) are positioned between the two electricity connecting blocks (28) and are in sliding connection with the electricity connecting blocks (28), and the lower end of the lower pressure rod (23) slides into the adjustable resistance groove (24) and is fixedly connected with the conductive rod (25); when the plug cylinder (11) does not extend into the positioning groove (19), the two ends of the resistance rod (27) are electrically connected with the two power connection blocks (28), when the plug cylinder (11) extends into the positioning groove (19) and extrudes the plug connector (20), the conductive rod (25) slides downwards to be electrically connected with the two power connection blocks (28), and the resistance of the conductive rod (25) is smaller than that of the resistance rod (27).
8. The power module of an energy storage converter as claimed in claim 7, wherein: the placing plate (18) is provided with an air supply channel along the direction that the power module box (1) slides and extends into the electric cabinet (17), one end of the air supply channel, which is far away from the power module box insertion hole (171), is communicated with the air supply end of the air blower (31), and the air supply channel is connected with a plurality of air outlets (33) which are opened above the placing plate (18); resistance bar (27) fixedly connected with slides and stretches into air supply channel and cooperation and blocks deep bead (32) of air supply channel, and air through-hole (321) have been seted up in deep bead (32), and when a grafting section of thick bamboo (11) did not stretch into in constant head tank (19), resistance bar (27) drive deep bead (32) and block air supply channel, and when a grafting section of thick bamboo (11) stretched into in constant head tank (19) and extruded bayonet joint (20), drive deep bead (32) lapse wind through-hole (321) and the air supply channel alignment that make deep bead (32) of sliding down.
9. The power module of an energy storage converter according to claim 1, characterized in that: the fixture block assembly comprises a fixture block (4) and an inserting block (3) which is matched with the fixture block to extend into a clamping groove (6), the fixture block (4) extends into the inserting block (3) in a sliding mode, one end of the fixture block (4) extends into the inserting block (3) and a fixture block elastic connecting rod (5) is fixedly connected between the inner walls of the inserting block (3), and the clamping groove (6) is connected with an open groove (7) for the fixture block (4) to be inserted in a sliding mode.
10. An energy storage converter, includes energy storage converter main part, its characterized in that: the power module of any one of claims 1-9 further comprising an energy storage module on the energy storage converter body for electrical connection with the power module.
CN202111472511.XA 2021-12-06 2021-12-06 Power module of energy storage converter and energy storage converter with power module Active CN113890313B (en)

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CN202111472511.XA CN113890313B (en) 2021-12-06 2021-12-06 Power module of energy storage converter and energy storage converter with power module

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Application Number Priority Date Filing Date Title
CN202111472511.XA CN113890313B (en) 2021-12-06 2021-12-06 Power module of energy storage converter and energy storage converter with power module

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CN113890313B CN113890313B (en) 2022-02-18

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203398979U (en) * 2013-08-02 2014-01-15 广东明阳龙源电力电子有限公司 Large-power wind power converter with high-efficiency air channel to radiate heat
CN208797358U (en) * 2018-10-23 2019-04-26 宇邦电气有限公司 A kind of interlocking interconnection vacuum circuit breaker with installation frame
CN209544877U (en) * 2019-03-27 2019-10-25 苏州海斯德新能源有限公司 A kind of assembled power switch cabinet
CN210577323U (en) * 2019-12-02 2020-05-19 广东东捷实业有限公司 Combined frame type low-voltage cabinet
CN210926662U (en) * 2019-10-30 2020-07-03 宜昌永通电器设备有限公司 Low-voltage whole set GGD power distribution cabinet
CN212462391U (en) * 2020-06-04 2021-02-02 石大红 Electric power electrical cabinet with buffering function and easy connection
CN212627655U (en) * 2020-08-18 2021-02-26 广东电网有限责任公司电力科学研究院 Energy storage converter plug-in type power module structure
CN112909781A (en) * 2021-03-25 2021-06-04 李继舜 Adjustable combined power distribution cabinet with dust removal and heat dissipation structure
CN213584675U (en) * 2020-09-16 2021-06-29 北京万达基业电气设备有限公司 Usp output cabinet

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203398979U (en) * 2013-08-02 2014-01-15 广东明阳龙源电力电子有限公司 Large-power wind power converter with high-efficiency air channel to radiate heat
CN208797358U (en) * 2018-10-23 2019-04-26 宇邦电气有限公司 A kind of interlocking interconnection vacuum circuit breaker with installation frame
CN209544877U (en) * 2019-03-27 2019-10-25 苏州海斯德新能源有限公司 A kind of assembled power switch cabinet
CN210926662U (en) * 2019-10-30 2020-07-03 宜昌永通电器设备有限公司 Low-voltage whole set GGD power distribution cabinet
CN210577323U (en) * 2019-12-02 2020-05-19 广东东捷实业有限公司 Combined frame type low-voltage cabinet
CN212462391U (en) * 2020-06-04 2021-02-02 石大红 Electric power electrical cabinet with buffering function and easy connection
CN212627655U (en) * 2020-08-18 2021-02-26 广东电网有限责任公司电力科学研究院 Energy storage converter plug-in type power module structure
CN213584675U (en) * 2020-09-16 2021-06-29 北京万达基业电气设备有限公司 Usp output cabinet
CN112909781A (en) * 2021-03-25 2021-06-04 李继舜 Adjustable combined power distribution cabinet with dust removal and heat dissipation structure

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