Load box with adjusting function

Abstract

The utility model discloses a load box with an adjusting function. The load box comprises a device body and a plurality of resistors arranged in the device body. An electrical installation assembly and a plurality of wiring copper bars are arranged on one side of the device body, the wiring copper bars are located below the electrical installation assembly, and an operation panel is arranged on one side of the electrical installation assembly; a cavity is formed in the device body, grid plates are symmetrically arranged on the two sides of the cavity, a heat dissipation assembly is arranged on one side of the resistor, and the resistor and the heat dissipation assembly are both arranged in the cavity; according to the resistor box, the grating plates are arranged on the two sides of the resistor and the heat dissipation fan, heat can be rapidly dissipated from the air openings while heat dissipation of the resistor is achieved, heat in the resistor box cannot be increased, the heat dissipation effect is improved, in addition, the size of the resistor is controlled through the multiple operation knobs, flexible adjustment of the resistor box is achieved, and the test effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to load box technical field more specifically, it is a kind of load box with adjusting function. BACKGROUND

[0002] Direct current charging pile as the main charging equipment of electric vehicle, its safety and reliability are directly related to the reliable operation and overall promotion of electric vehicle, need to have special test load box to carry out power transmission test, to ensure the quality of direct current charging pile circulating to market. Thus with the development of direct current charging pile, charging pile test load box also gradually develops, and higher requirements are put forward for charging pile test load box, among them, the efficiency improvement of charging pile test load box is always one of the important subjects that people constantly pursue.

[0003] The charging pile test load box in the current industry uses pure resistance load to carry out charging pile power transmission test, and the pure resistance load consumes a large amount of power during testing, which seriously consumes power. The pure resistance load works in a power-consuming manner and generates a large amount of heat energy, which cannot efficiently cool the heat generated by the load box, affecting the use safety. In addition, the traditional charging pile test load box cannot flexibly adjust the impedance, and needs to switch the number of pure resistance loads mounted, which causes the test to stop and affects the test efficiency. UTILITY MODEL CONTENTS

[0004] In order to solve the above at least one technical problem, the utility model provides a load box with adjusting function.

[0005] The utility model provides a load box with adjusting function in the first aspect, including: device body and multiple resistors arranged inside the device body.

[0006] The device body is provided with an electrical installation assembly and multiple wiring copper bars on one side, and the multiple wiring copper bars are located below the electrical installation assembly. An operating panel is arranged on one side of the electrical installation assembly.

[0007] The device body is provided with a cavity inside, and grid plates are symmetrically arranged on both sides of the cavity. The resistors are provided with a heat dissipation assembly on one side, and the resistors and the heat dissipation assembly are arranged in the cavity.

[0008] In a preferred embodiment of the utility model, the cavity is provided with a support frame inside, and multiple resistors are arranged in layers on the support frame.

[0009] In a preferred embodiment of the utility model, the heat dissipation assembly includes a first heat dissipation fan and a second heat dissipation fan. The first heat dissipation fan is arranged above the second heat dissipation fan. The first heat dissipation fan and the second heat dissipation fan have the same or different heat dissipation power.

[0010] In a preferred embodiment of the utility model, the device body one side is provided with operating door and wiring door, wiring door set in operating door below, wiring door with operating door one end all is provided with hinge, hinge will wiring door and operating door articulate on device body.

[0011] In a preferred embodiment of the utility model, the operating panel is arranged on the inner side of the operating door, a display panel is arranged on the operating panel, an observation window is arranged on the operating door, and the position of the observation window corresponds to the position of the display panel.

[0012] In a preferred embodiment of the utility model, a plurality of operation knobs and a plurality of indicator lights are arranged on the operating panel, the indicator lights are arranged below the operation knobs, and an emergency stop button is arranged on one side of the operating panel.

[0013] In a preferred embodiment of the utility model, a communication interface is arranged on one side of the device body.

[0014] In a preferred embodiment of the utility model, lug ears are arranged at the top of the device body.

[0015] In a preferred embodiment of the utility model, rollers are arranged at the bottom of the device body.

[0016] The above technical solution of the utility model has the following advantages compared with the prior art:

[0017] The application can realize the heat dissipation of the resistor, the rapid dissipation of heat from the air outlet, the improvement of the heat dissipation effect, the flexible adjustment of the resistor box, and the improvement of the test effect by arranging the grating plates on both sides of the resistor and the heat dissipation fan. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, some of the drawings in the following description are some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creating any creative labor.

[0019] Fig. 1 It is a three-dimensional structure schematic diagram of the load box with adjustment function of the embodiment of the utility model;

[0020] Fig. 2 It is a first angle schematic diagram of the inside of the load box with adjustment function of the embodiment of the utility model;

[0021] Fig. 3 is a second angle inside the load box with adjusting function according to the embodiment of the utility model.

[0022] In the figure, 1, device body, 2, grating plate, 3, air port, 4, communication interface, 5, roller, 6, wiring door, 7, operation door, 8, hinge, 9, ear, 10, observation window, 11, first cooling fan, 12, second cooling fan, 13, wiring copper bar, 14, emergency stop button, 15, operation panel, 16, indicator light, 17, operation knob, 18, display panel, 19, resistor, 20, support frame, 21, electrical installation assembly. DETAILED DESCRIPTION

[0023] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further described in detail below in conjunction with specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0024] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can also be implemented in other ways different from those described herein, therefore, the protection scope of the present application is not limited by the specific embodiments disclosed below.

[0025] Embodiment one

[0026] Referring to Figs. 1-3 The utility model discloses a kind of load boxes with adjusting function, comprising: device body 1 and multiple resistors 19 being set in device body 1 inside;

[0027] Device body 1 side is provided with electrical installation assembly 21 and multiple wiring copper bars 13, multiple wiring copper bars 13 are below electrical installation assembly 21, and operation panel 15 is provided on the side of electrical installation assembly 21.

[0028] Cavity is provided in device body 1, grating plate is symmetrically arranged on the two sides of cavity, and resistor 19 side is provided with heat dissipation component, and resistor 19 and heat dissipation component are all arranged in cavity.

[0029] According to the embodiment of the utility model, support frame 20 is provided inside cavity, and multiple resistors 19 are layered on support frame 20.

[0030] According to the embodiment of the utility model, heat dissipation component includes first cooling fan 11 and second cooling fan 12, first cooling fan 11 is arranged above second cooling fan 12, and the heat dissipation power of first cooling fan 11 and second cooling fan 12 is same or different.

[0031] According to the embodiment of the utility model, the device body 1 side is provided with operation door 7 and wiring door 6, wiring door 6 is arranged below operation door 7, wiring door 6 and operation door 7 one end all are provided with hinge 8, hinge 8 is hinged wiring door 6 and operation door 7 on device body 1.

[0032] According to the embodiment of the utility model, operation panel 15 is arranged inside operation door 7, display panel 18 is arranged on operation panel 15, observation window 10 is arranged on operation door 7, and the position of observation window 10 corresponds to the position of display panel 18.

[0033] According to the embodiment of the utility model, a plurality of operation knobs 17 and a plurality of indicator lights 16 are arranged on operation panel 15, the indicator lights 16 are arranged below the operation knobs 17, and an emergency stop button 14 is arranged on one side of the operation panel 15.

[0034] According to the embodiment of the utility model, the device body 1 side is provided with communication interface 4.

[0035] According to the embodiment of the utility model, the device body 1 top four corners are provided with lug 9, and the resistance box is lifted by the travelling crane when transporting or maintaining the resistance box.

[0036] According to the embodiment of the utility model, the device body 1 bottom four corners are provided with roller 5, and the flexibility of the resistance box is improved.

[0037] According to the embodiment of the utility model, a plurality of air inlets 3 are arranged on the grid plate 2, the air inlets 3 on the grid plate 2 close to one side of the first and second cooling fans 11 and 12 are air inlets 3, and the air inlets 3 on the grid plate 2 close to one side of the resistor 19 are air outlets 3, so that the cooling air is quickly in and out during the cooling process, and the cooling effect is improved.

[0038] In summary, the grid plate 2 is arranged on both sides of the resistor 19 and the cooling fan, the resistor 19 can be cooled at the same time, the heat is quickly discharged from the air inlet 3, the internal heat of the resistance box is not increased, the cooling effect is improved, and the resistance box is flexibly adjusted by the plurality of operation knobs 17 to control the size of the resistor 19, so that the test effect is improved.

[0039] The technical features of the above embodiments can be combined arbitrarily, and to make the description concise, all possible combinations of the technical features in the above embodiments are not described, but as long as the combinations of the technical features do not exist, they should be considered as the scope of the description.

[0040] The above description of disclosed embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to the above described embodiments will be readily apparent to those of ordinary skill in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application 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.

[0041] The above, only for the specific implementation of the present application, but the scope of protection of the present application is not limited to this, any skilled in the art of the technical personnel in the technical range disclosed by the present application, can easily think of changes or replacement, should be covered in the scope of protection of the present application. Therefore, the scope of protection of the present application should be subject to the protection scope of the claims.

Claims

1. A load cell with adjustable function, comprising: The device body and a plurality of resistors disposed inside the device body; characterized in that, An electrical installation assembly and multiple copper busbars are provided on one side of the device body. The multiple copper busbars are located below the electrical installation assembly. An operation panel is provided on one side of the electrical installation assembly. The device body has an internal cavity, and grid plates are symmetrically arranged on both sides of the cavity. A heat dissipation component is arranged on one side of the resistor, and both the resistor and the heat dissipation component are arranged inside the cavity.

2. A load cell with adjustable function according to claim 1, characterized in that, The cavity is equipped with a support frame, and multiple resistors are arranged in layers on the support frame.

3. A load cell with adjustable function according to claim 1, characterized in that, The heat dissipation assembly includes a first heat dissipation fan and a second heat dissipation fan. The first heat dissipation fan is disposed above the second heat dissipation fan. The heat dissipation power of the first heat dissipation fan and the second heat dissipation fan may be the same or different.

4. A load cell with adjustable function according to claim 3, characterized in that, An operating door and a wiring door are provided on one side of the device body. The wiring door is located below the operating door. Both the wiring door and the operating door are provided with a hinge at one end, and the hinge connects the wiring door and the operating door to the device body.

5. A load cell with adjustable function according to claim 4, characterized in that, The operation panel is located inside the operation door, and a display panel is provided on the operation panel. An observation window is provided on the operation door, and the position of the observation window corresponds to the position of the display panel.

6. A load cell with adjustable function according to claim 1, characterized in that, The control panel is equipped with multiple control knobs and multiple indicator lights. The indicator lights are located below the control knobs, and an emergency stop button is located on one side of the control panel.

7. A load cell with adjustable function according to claim 1, characterized in that, A communication interface is provided on one side of the device body.

8. A load cell with adjustable function according to claim 1, characterized in that, The device body has hanging ears at each of the four corners of its top.

9. A load cell with adjustable function according to claim 1, characterized in that, The device body is equipped with rollers at all four corners of its bottom.

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