Universal load box

Abstract

The utility model relates to the technical field of automobile load electrical architecture, in particular to a universal load box. The universal load box comprises a housing, the housing comprises a front surface and a back surface which are opposite to each other, a cavity is formed between the front surface and the back surface, and a plurality of load spaces extending from the front surface of the housing to the back surface of the housing are formed in the cavity; a back plate is arranged on the back surface of the shell; the backboard is provided with plugging modules corresponding to the load spaces. The load module is movably mounted in the load space; the load module comprises a supporting plate, and an input module is arranged at one end, close to the plug-in module, of the supporting plate; when the load module is installed in the load space, the input module of the supporting plate is plugged in the output end of the corresponding plug-in module, and the input end of the plug-in module is exposed from the back face of the back face. The universal load box can solve the problem that a load box in the prior art is difficult to use universally.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile load electrical architecture, and particularly relates to a universal load box. BACKGROUND

[0002] As a common device for simulating and testing loads, the load box has important functions and advantages in the application field of the automobile industry

[0003] With the development of automobile electronics, the performance (EMC, etc.) requirements of vehicle manufacturers on parts are increasing year by year, and the test conditions are more stringent. It is required that the load box has as many loads as possible. In addition, in the past two years, the electrical architecture of the whole vehicle has gradually developed from distributed to central integrated, and the concept of "function domain" and "region" controller has appeared. The difference between different customer requirements is large, which also brings a severe test to the existing load box design. In addition, due to wiring problems, the wire harnesses of different types of signals in the previous load box are intertwined, which leads to insufficient stability of the test results. Generally, each project needs to customize the load box according to customer requirements, which also increases the manufacturing cost of the load box. SUMMARY

[0004] The present application provides a universal load box, which can solve the problem that the load box in the related art is difficult to use.

[0005] In order to solve the technical problems in the background art, the present application provides a universal load box, which comprises:

[0006] A shell, the shell comprises opposite front and back surfaces, a cavity is formed between the front and back surfaces, a plurality of load spaces extending from the front surface of the shell to the back surface of the shell are formed in the cavity; a back plate is arranged at the back surface of the shell; each of the load spaces is provided with a plug-in module corresponding to the back plate;

[0007] A load module, the load module is movably installed in the load space; the load module comprises a support plate, and an input module is arranged at one end of the support plate close to the plug-in module;

[0008] When the load module is installed in the load space, the input module of the support plate is plugged into the output end of the corresponding plug-in module, and the input end of the plug-in module is exposed outside the back surface of the back surface.

[0009] Optionally, the load module further comprises a cover plate, and when the load module is installed in the load space, the cover plate is parallel to the front surface of the shell.

[0010] The support plate is installed at the back surface of the cover plate, and the extension direction of the support plate is consistent with the extension direction of the load space.

[0011] Optionally, a plurality of mounting through holes are arranged in an array on the cover plate, and the circuit board or the connecting component is mounted on the back surface of the cover plate through the mounting through holes.

[0012] Optionally, the load space comprises opposite left and right sides, the support plate is mounted on the back surface of the cover plate near the left side of the load space, and a load circuit device mounting space is formed between the support plate and the right side of the load space.

[0013] Optionally, the load space comprises opposite left and right sides, the support plate is mounted on the back surface of the cover plate near the right side of the load space, and a load circuit device mounting space is formed between the support plate and the left side of the load space.

[0014] Optionally, a slide rail is arranged in the load space, the extension direction of the slide rail is consistent with the extension direction of the load space, and the load module is slidably mounted in the load space through the slide rail.

[0015] Optionally, the support plate is slidably connected to the slide rail.

[0016] Optionally, opposite upper and lower slide rails are arranged on the upper and lower sides of the load space, respectively.

[0017] The support plate comprises opposite upper and lower edges, the upper edge of the support plate is slidably connected to the upper slide rail, and the lower edge of the support plate is slidably connected to the lower slide rail.

[0018] Optionally, an adjustable load circuit, a pull-up power supply circuit and a pull-down signal ground circuit are further arranged on the support plate.

[0019] The adjustable load circuit comprises a plurality of adjustable resistors with different maximum resistances, the pull-up power supply circuit comprises a plurality of power supply circuits with different output powers, and the pull-down signal ground circuit comprises a plurality of signal ground circuits.

[0020] Optionally, an upper cover box body is formed at the upper end of the universal load box, and an upper cover is arranged at the top end of the upper cover box body.

[0021] The universal load box provided by the application separates the host module and the load module, improves the utilization rate of the load box, reduces the project development time, reduces the subsequent project load manufacturing cost, reduces the wire harness winding, increases the signal stability, and meets different needs. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the specific embodiments or the prior art of the present application, the drawings needed to be used in the specific embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort.

[0023] Figure 1 A schematic diagram of a general load box structure without a load module is shown;

[0024] Figure 2 A schematic diagram of the back of the load box structure is shown;

[0025] Figure 3 A schematic diagram of the front of the load box structure is shown;

[0026] Figure 4 A schematic diagram of a load module of the general load box structure after being pulled out is shown. DETAILED DESCRIPTION

[0027] The technical solutions in the present application will be described in detail below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative effort fall within the scope of the present application.

[0028] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside, it can be wireless connection, or it can be wired connection. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] In addition, the technical features involved in different embodiments of the present application described below can be combined with each other as long as there is no conflict.

[0031] Figure 1 Fig. 1 shows a schematic diagram of a general load box structure without load module according to an embodiment of the present application, Figure 2 Fig. 2 shows a schematic diagram of the back of the load box structure, Figure 3 Fig. 3 shows a schematic diagram of the front of the load box structure, Figure 4 Fig. 4 shows a schematic diagram of a load module pulled out of the general load box structure. From Figures 1 to 4 It can be seen from Fig. 1 that the general load box comprises:

[0032] a shell 100 comprising opposite front 110 and back 120, a cavity is formed between the front 110 and the back 120, and a plurality of load spaces 101 extending from the front 110 to the back 120 of the shell 100 are formed in the cavity. Figure 3 The load spaces 101 in Fig. 1 comprise load spaces A, B, C, D, E, F, G, H, I, J, K and L. A back plate 130 is provided at the back 120 of the shell 100, and a plug-in module 131 is provided at each load space 101 corresponding to the back plate 130. Exemplarily, a vent hole is also provided on the back plate 130 of each load space 101, which communicates the load space 101 with the outside to exchange gas between the load space 101 and the outside, thereby achieving heat dissipation of the load space 101. In addition, the vent hole can be connected to a vent pump at one end to accelerate the gas exchange between the load space 101 and the outside.

[0033] A load module 200 is movably installed in the load space 101, and the load module 200 comprises a support plate 210, one end of which is provided with an input module 211 close to the plug-in module 131.

[0034] When the load module 200 is installed in the load space 101, the input module 211 of the support plate 210 is plugged into the output end of the corresponding plug-in module 131, and the input end of the plug-in module 131 is exposed from the back of the back plate 130.

[0035] Continuing to refer to Figure 4 , the load module 200 further comprises a cover plate 220, which is parallel to the front 120 of the shell 100 when the load module 200 is installed in the load space 101.

[0036] The support plate 210 is installed on the back of the cover plate 220, and the extension direction of the support plate 210 is consistent with the extension direction of the load space 101, that is, from the front face 110 of the shell 100 to the back face 120 of the shell 100.

[0037] With reference to the foregoing Figure 1 , the load space 101 is provided with a slide rail, and the extension direction of the slide rail is consistent with the extension direction of the load space 101, that is, from the front face 110 of the shell 100 to the back face 120 of the shell 100. Figure 4 The load module 200 shown is slidably installed in the load space 101 through the slide rail. Exemplarily, the support plate 210 can be slidably connected on the slide rail.

[0038] With reference to the foregoing Figure 1 , the upper and lower sides of the load space 101 are respectively provided with opposite upper and lower slide rails 310 and 320.

[0039] The support plate 210 includes opposite upper and lower edges 211 and 212, the upper edge 211 of the support plate 210 is slidably connected with the upper slide rail 310, and the lower edge 212 of the support plate 210 is slidably connected with the lower slide rail 320.

[0040] The support plate 210 in the embodiment is further provided with an adjustable load circuit, a pull power supply circuit and a pull-down signal ground circuit; the adjustable load circuit includes a plurality of adjustable resistors with different maximum resistances, the pull-up power supply circuit includes a plurality of power supply circuits with different output powers, and the pull-down signal ground circuit includes a plurality of different signal ground circuits. The above-mentioned reserved design can meet the different pull-up / pull-down signal requirements of different projects, reduce the subsequent production of analog input module load, provide compatibility, and also reduce the production cost of the subsequent load box.

[0041] Exemplarily, a plurality of mounting through holes arranged in an array can also be formed on Figure 4 the cover plate 220 shown, and a circuit board or a connecting component is installed on the back of the cover plate 220 through the mounting through holes.

[0042] With reference to the foregoing Figure 1 and Figure 4 , the load space 101 includes opposite left and right side faces, the support plate 210 is installed on the back of the cover plate 220 near the left side face of the load space 101, and a load circuit device installation space 400 is formed between the support plate 210 and the right side face of the load space 101. The adjustable load circuit, the pull-up power supply circuit and the pull-down signal ground circuit and other circuit devices mentioned above can be installed in the load circuit device installation space 400.

[0043] In other embodiments, the load space 101 comprises opposite left and right sides, the support plate 210 is installed on the back side of the cover plate 220 near the right side of the load space 101, and a load circuit device mounting space is formed between the support plate 210 and the left side of the load space 101.

[0044] In other embodiments, the slide rails can be located on the left and right sides of the load space 101, and the load circuit device mounting space can be located on the upper side or the lower side of the load space 101.

[0045] In other embodiments, the upper end of the universal load box forms an upper cover box body, and the upper end of the upper cover box body is provided with an upper cover. The upper cover can be opened, and the wire harness connection module is arranged in the upper cover box body.

[0046] The universal load box provided in the present application separates the host machine module and the load module, improves the utilization rate of the load box, reduces the project development time, reduces the subsequent project load manufacturing cost, reduces the winding of the wire harness, increases the signal stability, and meets different needs.

[0047] Obviously, the above embodiments are only examples for clear illustration, and are not limitations on the embodiments. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. All the embodiments do not need to be exhausted, and the obvious changes or variations still fall within the protection scope of the present application.

Claims

1. A universal load box, characterized in that: The universal load box comprises: The housing includes a front and a back facing each other, a cavity formed between the front and back, and a plurality of load spaces extending from the front to the back of the housing. A back plate is provided on the back of the housing. A plug-in module is provided on the back plate corresponding to each of the load spaces. A load module, the load module being movably mounted in the load space; the load module comprising a support plate, an input module being provided at one end of the support plate close to the plug-in module; When the load module is installed in the load space, the input module of the support plate is plugged into the output end of the corresponding plug-in module, and the input end of the plug-in module is exposed from the back side of the back surface.

2. The universal load box according to claim 1, characterized in that: The load module further includes a cover plate, wherein when the load module is installed in the load space, the cover plate is parallel to the front face of the housing; The support plate is mounted on the back side of the cover plate, and an extension direction of the support plate is consistent with an extension direction of the load space.

3. The universal load box according to claim 2, characterized in that: The cover plate is provided with a plurality of mounting through holes arranged in an array, and the circuit board or the connecting component is mounted on the back side of the cover plate by being connected with the mounting through holes.

4. The universal load box according to claim 2, characterized in that: The load space includes opposite left and right sides. The support plate is installed on the back side of the cover plate close to the left side of the load space. A load circuit device installation space is formed between the support plate and the right side of the load space.

5. The universal load box according to claim 2, characterized in that: The load space includes opposite left and right sides. The support plate is installed on the back side of the cover plate close to the right side of the load space. A load circuit device installation space is formed between the support plate and the left side of the load space.

6. The universal load box according to claim 1, wherein: A slide rail is provided in the load space, and an extension direction of the slide rail is consistent with an extension direction of the load space. The load module is slidably installed in the load space via the slide rail.

7. The universal load box according to claim 6, characterized in that: The support plate is slidably connected to the slide rail.

8. The universal load box according to claim 6, wherein: The upper and lower sides of the load space are respectively provided with upper and lower slide rails that are opposite to each other; The support plate includes an upper edge and a lower edge opposite to each other. The upper edge of the support plate is slidably connected to the upper slide rail, and the lower edge of the support plate is slidably connected to the lower slide rail.

9. The universal load box according to claim 1, 7 or 8, characterized in that: The support board is also provided with an adjustable load circuit, a pull-up power circuit and a pull-down signal ground circuit; The adjustable load circuit includes a plurality of adjustable resistors with different maximum resistance values, the pull-up power supply circuit includes a plurality of power supply circuits with different output powers, and the pull-down signal ground circuit includes a plurality of different signal ground circuits.

10. The universal load box according to claim 1, wherein: The upper end of the universal load box forms an upper cover box body, and the top end of the upper cover box body is provided with an upper cover.

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