CN210090518U

CN210090518U - ECU load box

Info

Publication number: CN210090518U
Application number: CN201920717675.6U
Authority: CN
Inventors: 徐先同; 郑杰; 周建钟; 王智晶; 万涛
Original assignee: Suzhou Guofang Automotive Electronics Co Ltd
Current assignee: Suzhou Guofang Automotive Electronics Co Ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-02-18
Anticipated expiration: 2029-05-20

Abstract

The utility model discloses an ECU load box, it includes quick-witted case and a plurality of ECU test function module. The chassis comprises a shell with an opening at the front end, and an upper fixing support and a lower fixing support which are arranged in the shell, wherein the upper fixing support comprises a first upper cross beam and a second upper cross beam, a plurality of upper slide rails are connected between the first upper cross beam and the second upper cross beam, the lower fixing support comprises a first lower cross beam and a second lower cross beam which are respectively arranged corresponding to the first upper cross beam and the second upper cross beam, a plurality of lower slide rails are connected between the first lower cross beam and the second lower cross beam, an inserting groove is formed between each lower slide rail and the corresponding upper slide rail, and a bus board which is electrically connected with the jumper wire board is connected between the first upper cross beam and the first lower cross beam. The ECU test function modules are all inserted in one insertion groove, and all the ECU test function modules are electrically connected with the bus board. The utility model discloses can realize installing fast and changing the ECU test function module of different grade type to the realization is to the test of different ECU.

Description

ECU load box

Technical Field

The utility model discloses the automobile manufacturing field especially relates to a ECU load box.

Background

The load box for testing an Electronic Control Unit (ECU) is used for testing the ECU of the generator.

The ECU load box generally includes a chassis and a plurality of ECU test function modules fixedly installed in the chassis for implementing different test functions. In the load box in the prior art, each ECU test function module is fixedly arranged in a machine case. Therefore, only the test of the ECU of a specific model can be realized by using the load box in the prior art, but the test of the ECUs of other different models is difficult to meet, and the universality is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a ECU load box, it includes quick-witted case and a plurality of ECU test function modules of grafting at quick-witted incasement, the utility model discloses can realize installing and changing the ECU test function module's of different grade type fast, the specific technical scheme of the utility model is as follows:

an ECU load box, comprising:

a chassis, the chassis comprising: the shell with an opening at the front end consists of a left side plate, a right side plate, an upper cover plate, a lower cover plate and a jumper wire plate. Set up between the left side board with the right side board and be located last fixed bolster and lower fixed bolster in the shell, wherein: the upper fixing support comprises a first upper cross beam close to the jumper board and a second upper cross beam located at the front end opening of the shell, a plurality of upper slide rails are connected between the first upper cross beam and the second upper cross beam, the lower fixing support comprises a first lower cross beam and a second lower cross beam, the first lower cross beam and the second upper cross beam are respectively arranged corresponding to the first upper cross beam and the second upper cross beam, a plurality of lower slide rails which correspond to the plurality of upper slide rails one to one are connected between the first lower cross beam and the second lower cross beam, and an insertion groove used for containing an ECU testing function module is formed between each lower slide rail and each corresponding upper slide rail. And the bus board is connected between the first upper beam and the first lower beam and is electrically connected with the jumper board.

And each ECU testing functional module is inserted into one insertion groove and is electrically connected with the bus board.

Furthermore, the ECU test function modules comprise a pure resistance load module, an oil injection driving load module, a simulation test channel module, a switch test channel module, a frequency test channel module and a wireless communication interface module.

Furthermore, be provided with on the last lateral wall of ECU test function module with go up slide rail assorted last spout, be provided with on the lower lateral wall of ECU test function module with slide rail assorted lower spout down.

Furthermore, an installation space is reserved between the lower fixing support and the lower cover plate, a power panel is installed in the installation space, and the power panel is electrically connected with the bus board and the jumper board.

Furthermore, the jumper board is provided with an ECU interface, a power supply interface, a wiring terminal strip and a short circuit socket.

Furthermore, a heat radiation fan is installed in the shell, and heat radiation holes are formed in the upper cover plate and the lower cover plate.

Furthermore, a lifting handle is arranged at the opening at the front end of the shell.

Compared with the prior art, the utility model provides a ECU load box can realize installing fast and changing the ECU test function module of different grade type to satisfy the test demand to the ECU of different models.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings.

Fig. 1 is a schematic view of a disassembled structure of an ECU load box chassis provided in a first aspect of the present invention;

fig. 2 is a schematic view of a disassembled structure of the ECU load box chassis provided by the first aspect of the present invention at a second viewing angle;

fig. 3 is a schematic view of an assembly structure of the ECU load box chassis provided by the first aspect of the present invention at a second viewing angle;

fig. 4 is a schematic view of an assembly structure of an ECU load box provided by a second aspect of the present invention at a first viewing angle;

fig. 5 is a schematic structural diagram of the ECU load box provided by the second aspect of the present invention at the second viewing angle, after the upper cover plate is omitted.

Fig. 6 is a schematic diagram of a circuit connection structure of an ECU load box according to a second aspect of the present invention.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Introduction to ECU load Box Chassis

According to a first aspect of the present invention, the present invention provides an ECU load box case 10, as shown in fig. 1 to 3, the ECU load box case 10 includes a housing, an upper fixing bracket 17 and a lower fixing bracket 18 installed in the housing. Wherein:

the shell is formed by splicing a left side plate 11, a right side plate 12, an upper cover plate 13, a lower cover plate 14 and a jumper plate 15, and the front end of the shell is opened, so that a plug-in port 16 for inserting an ECU test function module is formed.

The upper fixing bracket 17 is connected between the upper end of the left side plate 11 and the upper end of the right side plate 12, the upper fixing bracket 17 comprises a first upper beam 171 close to the jumper board 15 and a second upper beam 172 located at the socket 16, and a plurality of upper sliding rails 173 are connected between the first upper beam 171 and the second upper beam 172.

The lower fixing bracket 18 is connected between the lower end of the left side plate 11 and the lower end of the right side plate 12, and an installation space is reserved between the lower fixing bracket 18 and the lower cover plate 14. The lower fixing bracket 18 includes a first lower beam 181 and a second lower beam 182 respectively corresponding to the first upper beam 171 and the second upper beam 172, and a plurality of lower slide rails 183 corresponding to the plurality of upper slide rails 173 are connected between the first lower beam 181 and the second lower beam 182.

A plug-in slot for accommodating an ECU test function module is formed between each upper slide rail 173 and the corresponding lower slide rail 183. Under the guidance of the upper slide rail 173 and the corresponding lower slide rail 183, each plug-in slot can be plugged with an ECU test function module.

The utility model discloses it is not right the concrete figure of inserting groove is injectd, in the embodiment of the concrete, can be as required, through the increase and decrease go up slide rail 173 the concrete figure of lower slide rail 183 comes corresponding setting the concrete figure of inserting groove. Of course, in the actual test process, the ECU test function module with the corresponding function can be inserted into a specific insertion slot according to the requirement, and the ECU test function module does not need to be inserted into each insertion slot.

Further, a bus plate 19 is installed between the first upper cross member 117 and the first lower cross member 181. When the ECU test function module is inserted into the corresponding slot through the socket, one end of the inserted ECU test function module contacts the bus board 19, and the input/output port of the ECU test function module is in butt joint with the corresponding input/output port of the bus board 19.

Further, a power panel (not shown) is installed in the installation space of the lower fixing bracket 18 and the lower cover plate 14, and the power panel is electrically connected with the bus board and the jumper board to supply power.

And the jumper board 15 is provided with an ECU (electronic control unit) interface, a power supply interface, a wiring terminal strip and a short-circuit socket. The ECU interface can be connected with an external ECU to be tested, and the power interface can be connected with an external power supply.

The utility model provides a be provided with a plurality of inserting grooves that are used for grafting ECU test function module on the ECU load case machine case, it can realize the quick installation and the change of various types of ECU test function module to satisfy the test to the ECU of different models.

In some preferred embodiments, in order to improve the heat dissipation effect of the chassis, a heat dissipation fan (not shown) is installed in the housing, and heat dissipation holes are formed in both the upper cover plate 13 and the lower cover plate 14.

In some preferred embodiments, a handle is provided at the front opening of the housing for portable use of the carrying case.

As will be known to those skilled in the art, the chassis of the present invention can be directly provided to customers as an independent terminal product, and the customers can insert specific number and specific type of ECU test function modules into the chassis according to their specific test requirements to form a load box capable of meeting the specific test requirements of the customers.

Introduction to ECU load Box

According to the utility model discloses a second aspect, the utility model provides a ECU load box, as shown in FIG. 4, FIG. 5, ECU load box includes quick-witted case 10 and pegs graft a plurality of ECU test function modules in quick-witted case 10.

The case 10 adopts the ECU load box case provided by the first aspect of the present invention mentioned above, and since the detailed description has been given above on the specific structure of the ECU load box case, the details are not repeated here. When the structure and operation of the load box are described later, the above description and reference numerals are directly referred to when referring to the chassis 10.

In order to smoothly insert and position the ECU test function module into the insertion slot in the housing 10. In some embodiments, an upper sliding groove matched with the upper sliding rail 173 is disposed on an upper sidewall of the ECU testing function module, and a lower sliding groove matched with the lower sliding rail 183 is disposed on a lower sidewall of the ECU testing function module.

Each ECU test function module is electrically connected to the bus board 19 in the chassis 10, that is: each ECU test function is integrated onto the bus board 19. And the ECU test function modules are interconnected through the bus board 19 and electrically connected with the jumper board 15 and the power supply board.

It is thus clear that compare with the load box among the prior art, the utility model provides an ECU load box can realize the quick installation and the change of ECU test function module to satisfy the test to the ECU of different models.

It should be noted that the utility model discloses the object that will protect only is the structure of ECU load case machine case and the relation of connection of ECU test function module and ECU load case machine case, promptly: how the ECU test function module realizes the plug-in connection with the ECU load box chassis. As for the concrete test principle of ECU load box, the concrete structure and the theory of operation of each ECU test function module not the utility model discloses a protection object. In particular embodiments, various ECU test function modules known in the art may be selected according to specific test requirements.

Referring to fig. 4, 5 and 6, as an exemplary description, in a specific embodiment, the chassis 10 is provided with a total of 14 slots, which are respectively identified as slot 1-slot 14. An ECU test function module is inserted in each of the 14 insertion grooves, wherein: a pure resistance load module 20 is respectively inserted in slots 1-5, a fuel injection driving load module 30 is inserted in a slot6, a simulation test channel module 40 is respectively inserted in slots 7-9, a switch test channel module 50 is respectively inserted in slots 10-11, a frequency test channel module 60 is respectively inserted in slots 12-13, and a wireless communication interface module 70 is inserted in a slot 14.

In the embodiment, the pure resistive load module 20, the oil injection driving load module 30, the analog test channel module 40, the switch test channel module 50, the frequency test channel module 60, and the wireless communication interface module 70 all adopt existing conventional ECU test function modules, and the specific structure and operation principle thereof are well known to those skilled in the art, which are not the objects to be protected by the present invention. Therefore, the detailed structure and operation principle of these ECU test function modules will not be described in detail in this specification. Of course, in order to facilitate easier understanding of the present invention by those skilled in the art, the various ECU test function modules described above will be briefly described below:

the purely resistive load module 20 is capable of supporting different driving applications, which can be individually configured as a low-side driven load, a high-side driven load, a half-bridge driven load, or a full-bridge driven load. In addition, the purely resistive load module 20 can switch the magnitude of the load current and indicate the configured current and load drive type using LEDs or communication.

The fuel injection driving load module 30 realizes the simulation of the fuel injector when in use, simulates the actual hardware characteristics and parameter indexes of the fuel injector, supports the maximum current of the fuel injector during working, supports the collection and output interface of the driving voltage waveform of the fuel injector, and meets the test application.

The switch test channel module 50 is used for outputting a switching value, so as to provide an adjustable analog voltage or resistance value for a sensor signal input interface of the ECU to be tested.

The frequency test channel module 60 is used for testing a frequency input interface of an ECU to be tested, and includes a single-ended frequency signal and a differential frequency signal, the ECU load box can be configured as a single-ended or differential through a known signal interface to be tested, and the frequency, amplitude and duty ratio of each frequency channel can be adjusted.

The wireless communication interface module 70 can be used for realizing wireless connection between the load box and the upper computer and the ECU to be tested, so that debugging and configuration of the ECU load box by the upper computer are realized, and remote testing of the ECU load box on the ECU to be tested is realized.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. An ECU load box, characterized in that it comprises:

a chassis, the chassis comprising:

a shell with an opening at the front end and composed of a left side plate, a right side plate, an upper cover plate, a lower cover plate and a jumper wire plate;

set up between the left side board with the right side board and be located last fixed bolster and lower fixed bolster in the shell, wherein: the upper fixing support comprises a first upper cross beam close to the jumper board and a second upper cross beam positioned at the front end opening of the shell, a plurality of upper slide rails are connected between the first upper cross beam and the second upper cross beam, the lower fixing support comprises a first lower cross beam and a second lower cross beam which are respectively arranged corresponding to the first upper cross beam and the second upper cross beam, a plurality of lower slide rails which are in one-to-one correspondence with the plurality of upper slide rails are connected between the first lower cross beam and the second lower cross beam, and an insertion groove for accommodating an ECU test function module is formed between each lower slide rail and each corresponding upper slide rail;

the bus board is connected between the first upper cross beam and the first lower cross beam and is electrically connected with the jumper board;

2. The ECU load box of claim 1, wherein the plurality of ECU test function modules include a purely resistive load module, an oil injection driving load module, an analog test channel module, a switch test channel module, a frequency test channel module, and a wireless communication interface module.

3. The ECU load box according to claim 1, wherein the upper side wall of the ECU test function module is provided with an upper chute matched with the upper slide rail, and the lower side wall of the ECU test function module is provided with a lower chute matched with the lower slide rail.

4. The ECU load box according to claim 1, wherein an installation space is reserved between the lower fixing bracket and the lower cover plate, a power supply board is installed in the installation space, and the power supply board is electrically connected with the bus board and the jumper board.

5. The ECU load box of claim 1, wherein the jumper board is provided with an ECU interface, a power supply interface, a terminal block and a short-circuit socket.

6. The ECU load box of claim 1, wherein a heat dissipation fan is installed in the housing, and heat dissipation holes are provided in the upper cover plate and the lower cover plate.

7. The ECU load box of claim 1, wherein a handle is provided at the front end opening of the housing.