Load platform

Abstract

The utility model belongs to the field of power supply testing equipment, and particularly relates to a load platform, which comprises a framework, two groups of insulating support structures are respectively arranged on two sides of the framework, each group of insulating support structure comprises at least one insulating beam fixedly connected with the framework, and the load platform further comprises at least two load resistors which are tubular structures. The two ends of the tubular load resistor are fixedly connected to the insulating beams on the two sides of the frame respectively, the load resistor continues to extend outwards to form the first water nozzle, the load resistor is designed to be of a tubular structure, the load resistor can be connected with a water path through the water nozzle to be cooled, and the power source can be allowed to output higher power.

Description

Technical Field

[0001] The utility model belongs to the field of power supply testing equipment, and in particular relates to a load platform. Background Art

[0002] Industrial high-power power supplies must go through a strict debugging and testing process before leaving the factory, and can only leave the factory after passing the test. During the debugging and testing process, the load is a necessary device, but there are many types of power supplies. The general method is to design a load for one or a few types of power supplies, and the load cannot withstand the rated output of the high-power power supply. It will cause the resistance value to change too much due to overheating, and the test purpose cannot be achieved. The power supply can only output a small power, and the rated power test purpose cannot be achieved. Utility Model Content

[0003] In order to solve the problem that the load is overheated and the resistance value changes too much, which makes it difficult to test, the utility model provides a load platform.

[0004] The purpose of the utility model is achieved in the following way: a load platform includes a frame 1, a group of insulating support structures are respectively arranged on both sides of the frame 1, each group of insulating support structures includes at least one insulating beam 6, the insulating beam 6 is fixedly connected to the frame 1, and also includes at least two load resistors 7, the load resistor 7 is a tubular structure, and the two ends of the tubular load resistor 7 are respectively fixedly connected to one insulating beam 6 on both sides of the frame 1, and continue to extend outward to form a first water nozzle 15.

[0005] Furthermore, both ends of the load resistor 7 are fixedly connected to the fixing plates 16 , and the end of the load resistor 7 is fixedly connected to the insulating beam 6 via the fixing plates 16 . The fixing plates 16 extend out of the first water nozzle 15 in a direction away from the load resistor 7 .

[0006] Furthermore, the first terminal 4 is fixedly connected to at least one fixing plate 16 fixed on the insulating support structure on one side of the frame 1 , and the second terminal 17 is fixedly connected to at least one fixing plate 16 fixed on the insulating support structure on the other side of the frame 1 .

[0007] Furthermore, the first wiring terminal 4 and the second wiring terminal 17 are L-shaped, one side of the L-shape abuts against and is fixed to the fixing plate 16 , and the other side of the L-shape extends outward for wiring.

[0008] Furthermore, a connecting plate is provided between two adjacent fixing plates 16 located on the same side of the frame 1 , and two ends of the connecting plate are respectively fixedly connected to the two fixing plates 16 , and the connecting plate is made of copper.

[0009] Furthermore, the lower part of one side of the frame 1 is fixedly connected to the water inlet manifold 3, which includes a total water inlet and a plurality of water inlet nozzles 13; the upper part of one side of the frame 1 is fixedly connected to the water outlet manifold 2, which includes a total water outlet and a plurality of water outlet nozzles 10; the water inlet nozzle 13 is connected to the first nozzle 15 at one end of the load resistor 7 through a pipe, and the first nozzle 15 at the other end of the load resistor 7 is connected to the water outlet nozzle 10 through a pipe.

[0010] Compared with the prior art, the utility model designs the load resistor as a tubular structure, and can be connected to a water circuit for cooling through a water nozzle, thereby allowing the power supply to output higher power. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is one of the schematic diagrams of the load platform structure;

[0012] Figure 2 This is the second schematic diagram of the load platform structure;

[0013] Figure 3 This is a partial enlarged view of one side of the load platform;

[0014] Figure 4 It is a schematic diagram of the structure in which a connection plate and wiring terminals are installed on one side of the load platform.

[0015] Among them, the frame 1, the water outlet manifold 2, the water inlet manifold 3, the first terminal 4, the vertical connecting plate 5, the insulating beam 6, the load resistor 7, the top beam 8, the cross beam 1 9, the water outlet nozzle 10, the cross beam 2 11, the bottom beam 12, the water inlet nozzle 13, the horizontal connecting plate 14, the first nozzle 15, the fixing plate 16, and the second terminal 17. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] In the present utility model, unless otherwise expressly specified and limited, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model.

[0018] As attached Figure 1-4 As shown, a load platform includes a frame 1, and a group of insulating support structures are respectively arranged on both sides of the frame 1, each group of insulating support structures includes at least one insulating beam 6, and the insulating beam 6 is fixedly connected to the frame 1, and also includes at least two load resistors 7, the load resistor 7 is a tubular structure, and the two ends of the tubular load resistor 7 are respectively fixedly connected to one insulating beam 6 on both sides of the frame 1, and continue to extend outward to form a first water nozzle 15.

[0019] Preferably, the frame 1 is a square metal frame as shown in the figure, and each group of insulating support structures includes two or more, preferably 4-8 bakelite beams arranged at intervals, and the bakelite beams are arranged horizontally and arranged vertically. The bakelite beams and the frame 1 are preferably fixed in a manner as follows: nails, screws or other metal parts are driven into both ends of the bakelite beams, and the exposed ends of the metal parts are welded to the frame 1, or screws are driven into one end of the frame 1, penetrating the support rods of the frame 1 and tapping one end of the bakelite beam; at least two load resistors 7, preferably four, are overlapped on each bakelite beam, and the material of the load resistor 7 is preferably 304 stainless steel.

[0020] Furthermore, both ends of the load resistor 7 are fixedly connected to the fixing plates 16 , and the end of the load resistor 7 is fixedly connected to the insulating beam 6 through the fixing plates 16 . The fixing plates 16 extend the first water nozzle 15 in a direction away from the load resistor 7 , and the multiple fixing plates 16 are not in direct contact with each other.

[0021] Preferably, the tubular load resistor 7 is overlapped on the insulating beam 6, and at least two screw holes for fixing are provided at the lower part of the fixing plate 16 and abut against the side of the insulating beam 6, and the two are fixed by bolts.

[0022] Furthermore, the first terminal 4 is fixedly connected to at least one fixing plate 16 fixed on the insulating support structure on one side of the frame 1 , and the second terminal 17 is fixedly connected to at least one fixing plate 16 fixed on the insulating support structure on the other side of the frame 1 .

[0023] The wiring terminal can be a wiring terminal structure in the prior art. Preferably, the first wiring terminal 4 and the second wiring terminal 17 are L-shaped, one side of the L-shape abuts against the fixing plate 16 and is fixed, and the other side of the L-shape extends outward for wiring, and a fixing hole is provided on the protruding end. When in use, the copper wire is placed on the protruding end, and the copper wire is clamped and fixed by a pressing plate with a fixing hole and a screw, and the pressing plate and the screw are preferably made of red copper.

[0024] In order to solve the problem mentioned in the background technology that "the general method requires designing a load for one or a few power sources respectively", so that the load resistors 7 can be combined with each other to change the total resistance value of the test, it is further proposed: a connecting plate is set between two adjacent fixed plates 16 located on the same side of the frame 1, and the two ends of the connecting plate are respectively fixedly connected to the two fixed plates 16, and the connecting plate is made of copper.

[0025] In detail, at least two fixing holes are respectively arranged on the upper part of the fixing plate 16 and on both sides of the first water nozzle 15 for fixing the mounting plate. The connecting plates are preferably of two types, one is a transverse connecting plate 14, which is used for electrically connecting two fixing plates 16 adjacent to each other in the horizontal direction, and the two sides of the transverse connecting plate 14 are respectively provided with mounting hole structures matching with the fixing holes on the upper side of the fixing plate 16, and are fixed by bolts; the other is Figure 1 The vertical connecting plate 5 shown in the figure has its upper and lower parts respectively covering and abutting against the fixing plate 16, and is at the same time sleeved outside the first water nozzle 15 to ensure the stability of the connection structure between the upper and lower parts, and at the same time has a mounting hole structure that matches the fixing holes on the side of the fixing plate 16 and is fixed by bolts.

[0026] A specific connection method "four parallel and six series":

[0027] Taking the figure as an example, four load resistors 7 in each layer are connected in parallel: three transverse connecting plates 14 are arranged at the same end of four adjacent load resistors 7 in each layer to connect them, so as to realize the parallel connection of four load resistors 7 in a single layer.

[0028] The six layers are connected in series: from top to bottom, a first terminal 4 is set at one end of the first layer, a vertical connection plate 5 is set at the other end of the first layer and the corresponding end of the second layer to realize the series connection between the first layer and the second layer, and a vertical connection plate 5 is set at the other end of the second layer and the corresponding end of the third layer to realize the series connection between the second layer and the third layer; the series connection between the six layers is realized in the above manner. A second terminal 17 is set at the end of the sixth layer. The first terminal 4 and the second terminal 17 are used to connect to the positive and negative poles of the power supply.

[0029] Furthermore, the lower part of one side of the frame 1, specifically the cross beam 11 above the bottom beam 12, is fixedly connected to the water inlet manifold 3, and the water inlet manifold 3 includes a pipe body, a total water inlet is arranged at one end of the pipe body, and a plurality of water inlet nozzles 13 are arranged on one side of the pipe body; the upper part of one side of the frame 1, specifically the cross beam 9 below the top beam 8, is fixedly connected to the water outlet manifold 2, and the water outlet manifold 2 includes a pipe body, a total water outlet is arranged at one end of the pipe body, and a plurality of water outlet nozzles 10 are arranged on one side of the pipe body; the water inlet nozzle 13 is connected to the first nozzle 15 at one end of the load resistor 7 through a pipe, and the first nozzle 15 at the other end of the load resistor 7 is connected to the water outlet nozzle 10 through a pipe.

[0030] Preferably, the water inlet manifold 3 is lower than all the load resistors 7, and the water outlet manifold 2 is higher than all the load resistors 7, to ensure that the water in the load resistors 7 is filled during operation, rather than trickling through when not filled.

[0031] Furthermore, the total water inlet of the water inlet manifold 3 and the total water outlet of the water outlet manifold 2 are connected to a cold water circulation system, which belongs to the prior art and includes but is not limited to a water source, a water pump and other control valve groups, and will not be elaborated here.

[0032] Working method:

[0033] 1. Connect to waterway;

[0034] 2. Select the use and connection mode of load resistor 7 in series or in parallel according to the needs;

[0035] 3. Connect the load platform and high-power power supply to perform power supply debugging or testing.

[0036] advantage:

[0037] Strong structure and long service life;

[0038] Equipped with cooling water circuit, it can withstand higher current and work stably;

[0039] The connection method is flexible and can meet the needs of various power supplies.

[0040] The above is only a preferred embodiment of the present invention. It should be pointed out that those skilled in the art can make several changes and improvements without departing from the overall concept of the present invention, and these should also be regarded as the protection scope of the present invention.

Claims

1. A load platform, characterized in that: The invention comprises a frame (1), a group of insulating support structures are respectively arranged on both sides of the frame (1), each group of insulating support structures comprises at least one insulating beam (6), the insulating beam (6) is fixedly connected to the frame (1), and also comprises at least two load resistors (7), the load resistors (7) are tubular structures, and both ends of the tubular load resistors (7) are respectively fixedly connected to one insulating beam (6) on both sides of the frame (1), and continue to extend outwards to form a first water nozzle (15).

2. A load platform as claimed in claim 1, characterized in that: Both ends of the load resistor (7) are fixedly connected to the fixing plate (16), respectively; the end of the load resistor (7) is fixedly connected to the insulating beam (6) via the fixing plate (16); and the fixing plate (16) extends out of the first water nozzle (15) in a direction away from the load resistor (7).

3. A load platform as claimed in claim 2, characterized in that: At least one fixing plate (16) fixed on the insulating support structure on one side of the frame (1) is fixedly connected to the first connecting terminal (4), and at least one fixing plate (16) fixed on the insulating support structure on the other side of the frame (1) is fixedly connected to the second connecting terminal (17).

4. A load platform as claimed in claim 3, characterized in that: The first wiring terminal (4) and the second wiring terminal (17) are L-shaped, one side of the L-shape abuts against and is fixed to the fixing plate (16), and the other side of the L-shape extends outwards for wiring.

5. A load platform as claimed in claim 2, characterized in that: A connecting plate is arranged between two adjacent fixing plates (16) located on the same side of the frame (1), and two ends of the connecting plate are respectively fixedly connected to the two fixing plates (16), and the connecting plate is made of red copper.

6. A load platform as claimed in claim 1, characterized in that: The lower portion of one side of the frame (1) is fixedly connected to a water inlet manifold (3), the water inlet manifold (3) comprising a total water inlet and a plurality of water inlet nozzles (13); the upper portion of one side of the frame (1) is fixedly connected to a water outlet manifold (2), the water outlet manifold (2) comprising a total water outlet and a plurality of water outlet nozzles (10); the water inlet nozzle (13) is connected to a first nozzle (15) at one end of the load resistor (7) via a pipeline, and the first nozzle (15) at the other end of the load resistor (7) is connected to the water outlet nozzle (10) via a pipeline.

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