CN111417277B - Power supply structure of single-phase inverter testing device - Google Patents
Power supply structure of single-phase inverter testing device Download PDFInfo
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- CN111417277B CN111417277B CN202010316982.0A CN202010316982A CN111417277B CN 111417277 B CN111417277 B CN 111417277B CN 202010316982 A CN202010316982 A CN 202010316982A CN 111417277 B CN111417277 B CN 111417277B
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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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
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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
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
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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
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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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- 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
- H05K7/20927—Liquid coolant without phase change
Abstract
The invention discloses a power supply structure of a single-phase inverter testing device, which comprises a bottom shell, a power supply main body, a rectangular groove, a switch, a heat dissipation groove, a base plate, a joint component, a top cover and a heat dissipation component, wherein the joint component and the heat dissipation component are optimally arranged, a pull rod moves downwards by pressing a pressure rod, and the pressure rod is clamped by a clamping column under the action of a ratchet wheel, so that a pressure block is driven to fix a connecting wire and a power end of the power supply main body; use the water pump as the power supply simultaneously, the coolant liquid that drives in the coolant liquid storehouse flows in the body, under the cooling of little fan and semiconductor refrigeration piece to the inside coolant liquid of honeycomb duct, give off with higher speed the absorption of heat in the power supply main part, the knot that has solved prior art power supply structure adopts the bolt to fix the wiring usually, influence the detection efficiency of product, and power supply structure adopts the louvre to utilize the air flow to dispel the heat more, the inefficiency, cause the problem of voltage instability and influence its life easily because of the heat is too high.
Description
Technical Field
The invention relates to the related field of inverter testing, in particular to a power supply structure of a single-phase inverter testing device.
Background
The single-phase inverter is an electronic device for converting direct-current inverted power into single-phase alternating current and outputting the single-phase alternating current, and the single-phase inverter needs to utilize a testing device to carry out simulation power-on, normal power-on and various electrical performance tests before leaving a factory; when the testing device detects, the single-phase inverter needs to pass the power-on test, so that a power supply structure is needed to provide power for detection.
The knot of prior art power supply structure adopts the bolt to fix the wiring usually, influences the detection efficiency of product to power supply structure adopts the louvre to utilize the air current to dispel the heat more, and is inefficient, causes voltage instability and influences its life easily because of the heat is too high.
Disclosure of Invention
Therefore, in order to solve the above-mentioned disadvantages, the present invention provides a power supply structure of a single-phase inverter testing apparatus.
The invention is realized in such a way that a power supply structure of a single-phase inverter testing device is constructed, the device comprises a bottom shell, a power supply main body, a rectangular groove, a switch, a heat dissipation groove, a backing plate, a joint component, a top cover and a heat dissipation component, the power supply main body is fixed on the bottom side inside the bottom shell through a bolt, the rectangular groove is arranged on the right side inside the bottom shell, the switch is arranged inside the rectangular groove and connected with the power supply main body, the heat dissipation groove is arranged on the left side wall and the right side wall of the bottom shell, the backing plate is fixed on the bottom of the bottom shell, the top cover is transversely embedded on the top side inside the bottom shell, the joint component is fixed on the front part of the top side of the power supply main body, the heat dissipation component is fixed on the right side of the bottom of the top cover through a bolt, the joint component comprises a base, an interface groove, a rectangular sheet and a compression component, the bottom of the base is fixed with the power supply main body, the top side inside the base is provided with an interface groove, the base top end face is integrally formed with a rectangular sheet, and a pressing part is embedded in the inner side of the base.
Preferably, the number of the pressing parts is four, and the four pressing parts are respectively arranged in the middle part right above the four interface slots.
Preferably, compress tightly the part including pressing seat, left socle, pivot, depression bar, right branch frame, cover seat and pole setting, press the seat to inlay in the rectangle piece inboard, press the vertical left socle that is fixed with in seat top left side, left socle right part top side is rotated and is connected with the pivot, pivot middle part integrated into one piece has the depression bar, the pivot right side is inserted right branch frame inboard and is connected rather than rotating, right branch frame bottom is fixed mutually with pressing the seat, it has the cover seat to press the inside front side of seat to inlay, sliding fit about cover seat inside and pole setting, the pole setting contacts with the depression bar on the top side.
Preferably, press the seat including bearing piece, sheath, spring and briquetting, bearing piece bottom is fixed mutually with the rectangle piece, the vertical sheath that has inlayed of the inside front side of bearing piece, the inside top side of sheath is fixed with the spring, the spring wraps up in the pole setting outside to spring bottom and briquetting are fixed mutually, briquetting top medial side and pole setting fixed connection.
Preferably, the right branch frame includes that supporting seat, ratchet, card post, stop collar and arc draw the piece, the supporting seat bottom is fixed mutually with pressing the seat, the inside top side of supporting seat rotates and is connected with the ratchet, supporting seat top middle side and ratchet looks block, the card post runs through the stop collar inboard and rather than sliding fit from top to bottom, the stop collar inlays in the inside top side of supporting seat, card post top end face draws piece integrated into one piece with the arc.
Preferably, radiator unit includes frame seat, little fan, support, semiconductor refrigeration piece, honeycomb duct and headstock, the frame seat inlays in top cap bottom right side, the little fan has been inlayed at frame seat bottom side middle part, the inside front side of frame seat is fixed mutually through support and semiconductor refrigeration piece, the honeycomb duct is pegged graft and is fixed in semiconductor refrigeration piece bottom rear side, the honeycomb duct rear side is inserted inside the headstock and is fixed rather than mutually, the headstock bottom is fixed mutually with the frame seat, little fan and semiconductor refrigeration piece all are connected with the power supply main part electricity.
Preferably, the small fan is arranged at the middle side of the bottom of the draft tube, and a layer of dust screen is embedded at the top side of the small fan.
Preferably, the honeycomb duct includes body, water inlet and delivery port, the body left and right sides is pegged graft respectively and is fixed in semiconductor refrigeration piece and headstock inboard, both sides are equipped with delivery port and water inlet respectively around the body right part.
Preferably, the headstock includes that coolant liquid storehouse, underframe, water pump, liquid advance pipe and liquid exit tube, coolant liquid storehouse bottom integrated into one piece has the underframe, the inside and water inlet of coolant liquid storehouse are linked together, underframe bottom left side is fixed with the water pump, the water pump top is provided with liquid and advances the pipe, liquid advances a tub top and is connected with the delivery port, water pump right part top side is provided with the liquid exit tube, liquid exit tube top side inserts the coolant liquid storehouse inboard and is linked together rather than.
Preferably, the pipe body is made of copper.
Preferably, the materials used by the compression bar, the vertical bar and the arc-shaped pulling block are all insulating rubber.
The invention has the following advantages: the invention provides a power supply structure of a single-phase inverter testing device through improvement, compared with the same type of equipment, the power supply structure comprises the following improvements:
the method has the advantages that: according to the power supply structure of the single-phase inverter testing device, the connector assembly and the heat dissipation assembly are optimally arranged, the pull rod moves downwards by pressing the pressing rod, and the pressing rod is clamped by the clamping column under the action of the ratchet wheel, so that the pressing block is driven to fix the connecting wire and the power end of the power supply main body; simultaneously with the water pump as the power supply, the coolant liquid that drives in the coolant liquid storehouse circulates at the body inner loop and flows, under the cooling of little fan and semiconductor refrigeration piece to honeycomb duct inner loop flow coolant liquid, with higher speed to giving off thermal absorption in the power supply main part, the knot that has solved prior art power supply structure adopts the bolt to fix the wiring usually, influence the detection efficiency of product, and power supply structure adopts the louvre to utilize the air flow to dispel the heat more, the inefficiency, cause the problem of voltage instability and influence its life easily because of the heat is too high.
The method has the advantages that: according to the power supply structure of the single-phase inverter testing device, the number of the compression parts is four, the four compression parts are respectively arranged in the middle of the positions right above the four interface grooves, so that the connecting wires can be conveniently fixed, the small fan is arranged on the middle side of the bottom of the flow guide pipe, the dust screen is embedded on the top side of the small fan, the air flow is accelerated, the pipe body is made of copper materials, the heat conduction effect is good, and the compression rod, the vertical rod and the arc-shaped pull block are made of insulating rubber, so that the use safety is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the joint assembly of the present invention;
FIG. 3 is a right side view of the pressing base of the present invention;
FIG. 4 is a schematic structural view of the right bracket of the present invention;
FIG. 5 is a schematic structural diagram of a heat sink assembly of the present invention;
FIG. 6 is a schematic view of the structure of the draft tube of the present invention;
fig. 7 is a schematic structural view of the power box of the present invention.
Wherein: bottom shell-1, power supply main body-2, rectangular groove-3, switch-4, heat dissipation groove-5, backing plate-6, connector component-7, top cover-8, heat dissipation component-9, base-71, interface groove-72, rectangular sheet-73, pressing component-74, pressing seat-741, left support-742, rotating shaft-743, pressing rod-744, right support-745, sleeve seat-746, upright rod-747, bearing sheet-7411, sheath-7412, spring-7413, pressing block-7414, supporting seat-7451, ratchet-7452, clamping column-7453, limiting sleeve-7454, arc-shaped pull block-7455, frame seat-91, small fan-92, support-93, semiconductor refrigeration sheet-94, flow guide pipe-95, flow guide pipe-92, Power box-96, pipe-951, water inlet-952, water outlet-953, cooling liquid bin-961, bottom frame-962, water pump-963, liquid inlet pipe-964 and liquid outlet pipe-965.
Detailed Description
The present invention will be described in detail below with reference to fig. 1 to 7, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
The first embodiment is as follows:
referring to fig. 1, the power supply structure of a single-phase inverter testing device of the present invention comprises a bottom case 1, a power supply main body 2, a rectangular groove 3, a switch 4, a heat dissipation groove 5, a backing plate 6, a joint assembly 7, a top cover 8 and a heat dissipation assembly 9, wherein the power supply main body 2 is fixed on the bottom side inside the bottom case 1 through a bolt, the rectangular groove 3 is opened on the right middle side of the bottom case 1, the switch 4 is arranged on the inner side of the rectangular groove 3, the switch 4 is connected with the power supply main body 2, the heat dissipation groove 5 is opened on the left and right side walls of the bottom case 1, the backing plate 6 is fixed on the bottom of the bottom case 1, the top cover 8 is transversely embedded inside the bottom case 1, the joint assembly 7 is fixed on the front portion of the top side of the power supply main body 2, the heat dissipation assembly 9 is fixed on the right side of the bottom of the top cover 8 through a bolt, the joint assembly 7 can be quickly connected with a single-phase inverter, detection efficiency is accelerated, and the heat dissipation assembly 9 efficiently dissipates heat for the power supply main body 2, the voltage instability caused by the overhigh heat quantity and the influence on the service life of the power supply main body 2 are prevented.
Referring to fig. 2 and 3, in the power supply structure of a single-phase inverter testing device according to the present invention, the connector assembly 7 includes a base 71, an interface slot 72, a rectangular plate 73 and a pressing member 74, the bottom of the base 71 is fixed to the power supply main body 2, the interface slot 72 is formed on the top side of the base 71, the rectangular plate 73 is integrally formed on the top end surface of the base 71, the pressing member 74 is embedded in the inner side of the base 71, the pressing member 74 includes a pressing base 741, a left bracket 742, a rotating shaft 743, a pressing rod 744, a right bracket 745, a sleeve 746 and a vertical rod 747, the pressing base 741 is embedded in the inner side of the rectangular plate 73, the left bracket 742 is vertically fixed on the left side of the top of the pressing base 741, the top side of the right bracket 742 is rotatably connected to a rotating shaft 743, the middle of the rotating shaft 743 is integrally formed with a pressing rod 744, the right side of the rotating shaft 743 is inserted into and rotatably connected to the inner side of the right bracket 745, the bottom of the right bracket 745 is fixed to the pressing base 741, the sleeve 746 is embedded in the front side of the pressing base 741, inside medial side of cover seat 746 is sliding fit from top to bottom with pole setting 747, pole setting 747 top side contacts with depression bar 744, press seat 741 to include bearing piece 7411, sheath 7412, spring 7413 and briquetting 7414, bearing piece 7411 bottom is fixed mutually with rectangle piece 73, the inside front side of bearing piece 7411 is vertical to have inlayed sheath 7412, the inside top side of sheath 7412 is fixed with spring 7413, spring 7413 wraps up in the pole setting 747 outside, and spring 7413 bottom and briquetting 7414, fixed mutually, inboard and pole setting 747 fixed connection in the briquetting 7414 top, insert the connecting wire behind the interface slot 72 inboard, make pull rod 747 downstream through pressing depression bar 744, drive briquetting 7414 with the connecting wire with the power end of power supply main part 2 is fixed.
Referring to fig. 4, a right bracket 745 of the power supply structure of the single-phase inverter testing device of the present invention includes a supporting seat 7451, a ratchet 7452, a clamping column 7453, a limiting sleeve 7454 and an arc-shaped pull block 7455, the bottom of the supporting seat 7451 is fixed to a pressing seat 741, the top side of the supporting seat 7451 is rotatably connected to the ratchet 7452, the top side of the supporting seat 7451 is engaged with the ratchet 7452, the clamping column 7453 penetrates the inner side of the limiting sleeve 7454 and is in up-and-down sliding fit with the inner side of the limiting sleeve 7454, the limiting sleeve 7454 is embedded in the top side of the supporting seat 7451, the top end surface of the clamping column 7453 is integrally formed with the arc-shaped pull block 7455, the ratchet 7452 is fixed after rotating under the action of the ratchet 7452 and the clamping column 7453, so that the rotating shaft 743 at the rear side of the pressing rod 733 is clamped and fixed.
Referring to fig. 5, the power supply structure of the single-phase inverter testing device of the present invention includes a heat dissipating assembly 9 including a frame seat 91, a small fan 92, a bracket 93, a semiconductor cooling plate 94, a duct 95 and a power box 96, wherein the frame seat 91 is embedded in the right side of the bottom of the top cover 8, the small fan 92 is embedded in the middle of the bottom side of the frame seat 91, the front side of the interior of the frame seat 91 is fixed to the semiconductor cooling plate 94 through the bracket 93, the duct 95 is inserted and fixed to the rear side of the bottom of the semiconductor cooling plate 94, the rear side of the duct 95 is inserted and fixed to the interior of the power box 96, the bottom of the power box 96 is fixed to the frame seat 91, the small fan 92 and the semiconductor cooling plate 94 are both electrically connected to the power supply body 2, and the heat is blown to the external environment by the small fan 92, meanwhile, under the cooling of the cooling liquid circulated and flowing in the draft tube 95 by the semiconductor refrigeration sheet 94, the absorption and the dissipation of heat on the power supply main body 2 are accelerated.
Referring to fig. 6, in the power supply structure of the single-phase inverter testing device according to the present invention, the duct 95 includes a tube 951, a water inlet 952 and a water outlet 953, the left and right sides of the tube 951 are respectively inserted and fixed inside the semiconductor refrigeration sheet 94 and the power box 96, the front and rear sides of the right portion of the tube 951 are respectively provided with the water outlet 953 and the water inlet 952, and the cooling liquid flows in the tube 951 through the water inlet 952 and the water outlet 953.
Referring to fig. 7, in the power supply structure of the single-phase inverter testing device of the present invention, the power box 96 includes a cooling liquid bin 961, a bottom frame 962, a water pump 963, a liquid inlet pipe 964 and a liquid outlet pipe 965, the bottom frame 962 is integrally formed at the bottom of the cooling liquid bin 961, the interior of the cooling liquid bin 961 is communicated with the water inlet 952, the water pump 963 is fixed at the left side of the bottom frame 962, the liquid inlet pipe 964 is disposed at the top of the water pump 963, the top end of the liquid inlet pipe 964 is connected to the water outlet 953, the liquid outlet pipe 965 is disposed at the right top side of the water pump 963, the top side of the liquid outlet pipe 965 is inserted into the interior of the cooling liquid bin 961 and is communicated with the interior of the pipe 951, and the water pump 963 is used as a power source to drive the cooling liquid in the cooling liquid bin 961 to circulate in the pipe 951.
Example two:
according to the power supply structure of the single-phase inverter testing device, the number of the pressing parts 74 is four, the four pressing parts 74 are respectively arranged in the middle of the positions right above the four interface grooves 72, so that connecting wires can be conveniently fixed, the small fan 92 is arranged on the middle side of the bottom of the draft tube 95, a dust screen is embedded on the top side of the small fan 92, the air flow is accelerated, the tube body 951 is made of copper materials, the heat conduction effect is good, and the materials used by the pressing rod 744, the vertical rod 747 and the arc-shaped pull block 7455 are all insulating rubber, so that the use safety is improved.
The invention provides a power supply structure of a single-phase inverter testing device through improvement, and the working principle is as follows;
firstly, the design is placed at a position where the single-phase inverter needs to be detected, then a power terminal of the single-phase inverter is inserted into the inner side of the interface slot 72 at a corresponding position, then a user presses the pressing rod 744 downwards, when the pressing rod 744 presses downwards, the rotating shaft 743 drives the ratchet 7452 to rotate, meanwhile, the pressing block 7414 is pressed downwards at the bottom side of the pressing rod 744, so that the power terminal is in contact with a power end of the power supply body 2, when the user releases the pressing rod 744, the position of the pressing rod 744 is kept unchanged under the clamping limit of the clamping column 744 and the ratchet 7452, and the power supply is carried out on the single-phase inverter through the power supply body 2;
secondly, when the power supply main body 2 runs, the small fan 92, the semiconductor refrigeration sheet 94 and the water pump 963 are started after being electrified, the water pump 963 is used as a power source to drive the cooling liquid in the cooling liquid bin 961 to circularly flow in the pipe body 951, the cooling liquid is cooled by the semiconductor refrigeration sheet 94 when flowing to the bottom of the semiconductor refrigeration sheet 94, and meanwhile, the small fan 92 rotates to increase the flowing speed of air, so that the absorption and the dissipation of heat on the power supply main body 2 are accelerated, and the normal working state of the power supply main body is ensured;
thirdly, when the power terminal needs to be separated from the power supply main body 2, the user pulls the arc-shaped pull block 7455 upward to separate the clamping column 7453 from the ratchet wheel 7452, then the press block 7414 and the press rod 744 move upward under the action of the elastic force of the spring 7413, and then the user takes the power terminal out of the interface slot for the next detection.
The invention provides a power supply structure of a single-phase inverter testing device through improvement, a joint component 7 and a heat dissipation component 9 are optimally arranged, a pull rod 747 moves downwards through pressing a press rod 744, and the press rod 744 is clamped by a clamping column 7453 under the action of a ratchet wheel 7452, so that a press block 7414 is driven to fix a connecting wire with a power supply end of a power supply main body 2; meanwhile, the water pump 963 is used as a power source to drive the cooling liquid in the cooling liquid bin 961 to circularly flow in the pipe 951, and under the cooling of the cooling liquid circularly flowing in the guide pipe 95 by the small fan 92 and the semiconductor refrigerating sheet 94, the absorption and dissipation of heat on the power supply main body 2 are accelerated, so that the problems that the detection efficiency of a product is influenced because a joint of a power supply structure in the prior art is usually fixed by a bolt and a wire is influenced, and the power supply structure mostly adopts heat dissipation holes to dissipate heat by air flowing, the efficiency is low, and voltage is unstable and the service life of the power supply structure is influenced because of overhigh heat are solved; compress tightly the part 74 and be provided with four, and four compress tightly part 74 and set up respectively in middle part directly over four interface slots 72, be convenient for fix the connecting wire, little fan 92 sets up in the positive side in honeycomb duct 95 bottom, and little fan 92 top side has inlayed the one deck dust screen, the flow of air with higher speed, body 951 is made for the copper product matter, and the heat conduction is effectual, and the material that depression bar 744, pole setting 747 and arc pulled piece 7455 used is insulating rubber, the security of increase use.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A power supply structure of a single-phase inverter testing device comprises a bottom shell (1), a power supply main body (2), a rectangular groove (3), a switch (4), a heat dissipation groove (5), a base plate (6) and a top cover (8), wherein the power supply main body (2) is fixed on the bottom side of the inner part of the bottom shell (1) through a bolt, the rectangular groove (3) is formed in the middle of the right part of the bottom shell (1), and the switch (4) is arranged on the inner side of the rectangular groove (3);
the method is characterized in that: the power supply device is characterized by further comprising a joint component (7) and a heat dissipation component (9), wherein the joint component (7) is fixed to the front portion of the top side of the power supply main body (2), the heat dissipation component (9) is fixed to the right side of the bottom of the top cover (8) through bolts, the joint component (7) comprises a base (71), an interface groove (72), a rectangular sheet (73) and a pressing part (74), the bottom of the base (71) is fixed to the power supply main body (2), the interface groove (72) is formed in the top side of the inside of the base (71), the rectangular sheet (73) is integrally formed on the top end face of the base (71), the pressing part (74) is embedded in the inner side of the base (71), the pressing part (74) comprises a pressing seat (741), a left support (742), a rotating shaft (743), a pressing rod (744), a right support (745), a sleeve seat (746) and a vertical rod (747), the pressing seat (741) is embedded in the inner side of the rectangular sheet (73), the left side of the top of the pressing seat (741) is vertically fixed with a left support (742), the top side of the right part of the left support (742) is rotatably connected with a rotating shaft (743), a pressing rod (744) is integrally formed in the middle of the rotating shaft (743), the right side of the rotating shaft (743) is inserted into the inner side of a right support (745) and is rotatably connected with the right support, the bottom of the right support (745) is fixed with the pressing seat (741), a sleeve seat (746) is embedded in the front inside of the pressing seat (741), the inner side of the sleeve seat (746) is in up-and-down sliding fit with the vertical rod (747), the top side of the vertical rod (747) is in contact with the pressing rod (744), the pressing seat (741) comprises a bearing sheet (7411), a sheath (7412), a spring (7413) and a pressing block (7414), the bottom of the bearing sheet (7411) is fixed with a rectangular sheet (73), the sheath (7412) is vertically embedded in the front inside of the bearing sheet (7411), and the spring (7413) is fixed in the top side of the sheath (7412), the spring (7413) wraps the outer side of the vertical rod (747), the bottom of the spring (7413) is fixed to the pressing block (7414), the top of the pressing block (7414) is fixedly connected with the vertical rod (747), the right support (745) comprises a support seat (7451), a ratchet wheel (7452), a clamping column (7453), a limiting sleeve (7454) and an arc-shaped pull block (7455), the bottom of the support seat (7451) is fixed to the pressing seat (741), the top of the support seat (7451) is rotatably connected with the ratchet wheel (7452), the top of the support seat (7451) is clamped with the ratchet wheel (7452), the clamping column (7453) penetrates through the inner side of the limiting sleeve (7454) and is in up-and-down sliding fit with the inner side of the support seat (7451), the top of the clamping column (7453) is embedded in the support seat (7451), and the top of the clamping column (7453) is integrally formed with the arc-shaped pull block (7455).
2. The power supply structure of a single-phase inverter testing device according to claim 1, characterized in that: switch (4) are connected with power supply main part (2), radiating groove (5) have been seted up to drain pan (1) left and right sides wall, drain pan (1) bottom is fixed with backing plate (6), top cap (8) have transversely been inlayed to the inside top side of drain pan (1).
3. The power supply structure of a single-phase inverter testing device according to claim 1, characterized in that: the number of the pressing parts (74) is four, and the four pressing parts (74) are respectively arranged in the middle of the position right above the four interface grooves (72).
4. The power supply structure of a single-phase inverter testing device according to claim 1, characterized in that: radiating component (9) are including frame seat (91), little fan (92), support (93), semiconductor refrigeration piece (94), honeycomb duct (95) and headstock (96), frame seat (91) inlay in top cap (8) bottom right side, frame seat (91) bottom middle part has inlayed little fan (92), frame seat (91) inside front side is fixed mutually through support (93) and semiconductor refrigeration piece (94), honeycomb duct (95) are pegged graft and are fixed in semiconductor refrigeration piece (94) bottom rear side, honeycomb duct (95) rear side is inserted headstock (96) inside and is fixed mutually rather than, headstock (96) bottom is fixed mutually with frame seat (91), little fan (92) and semiconductor refrigeration piece (94) all are connected with power supply main part (2) electricity.
5. The power supply structure of a single-phase inverter testing device according to claim 4, characterized in that: the small fan (92) is arranged at the middle side of the bottom of the draft tube (95), and a layer of dust screen is embedded at the top side of the small fan (92).
6. The power supply structure of a single-phase inverter testing device according to claim 4, characterized in that: honeycomb duct (95) include body (951), water inlet (952) and delivery port (953), body (951) left and right sides is pegged graft respectively and is fixed in semiconductor refrigeration piece (94) and headstock (96) inboard, both sides are equipped with delivery port (953) and water inlet (952) respectively around body (951) right part.
7. The power supply structure of a single-phase inverter testing device according to claim 4, characterized in that: the power box (96) comprises a cooling liquid bin (961), a bottom frame (962), a water pump (963), a liquid inlet pipe (964) and a liquid outlet pipe (965), the bottom of the cooling liquid bin (961) is integrally formed with the bottom frame (962), the interior of the cooling liquid bin (961) is communicated with the water inlet (952), the left side of the bottom frame (962) is fixedly provided with the water pump (963), the top of the water pump (963) is provided with the liquid inlet pipe (964), the top end of the liquid inlet pipe (964) is connected with the water outlet (953), the top side of the right part of the water pump (963) is provided with the liquid outlet pipe (965), and the top side of the liquid outlet pipe (965) is inserted into the inner side of the cooling liquid bin (961) and communicated with the inner side.
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Effective date of registration: 20210927 Address after: 221000 No. 20 Jiefang North Road, Jiangsu, Xuzhou Applicant after: State Grid Jiangsu Electric Power Co.,Ltd. Xuzhou Power Supply Branch Address before: No.15, Du Town, yunshishi village, Chengxiang Township, Wuping County, Longyan City, Fujian Province, 364300 Applicant before: Qiu Xin |
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