Auxiliary detection device for single-chip microcomputer development

Abstract

The utility model provides an auxiliary detection device for single-chip microcomputer development, which comprises a bottom frame, a plugboard and an oscilloscope main body, in order to ensure the placement stability of the oscilloscope main body, the oscilloscope main body is placed on the bottom frame, and a bottom plate of the bottom frame is respectively provided with a limiting plate and a guide column. The plugboard connected with the bottom plate and used for being plugged in the back side of the oscilloscope main body comprises a mounting plate, a connecting plate and a plugging plate, the mounting plate is provided with a mounting hole and a guide groove, and the plugboard is connected with the bottom plate through a fastener in the mounting hole; the connection stability of the plug board can be guaranteed and deviation or shaking can be prevented through the cooperation between the guide groove and the guide column, the oscilloscope body can be limited at the bottom in the width direction through the arranged limiting plate, and therefore the supporting stability of the oscilloscope body at the bottom can be achieved through the plug board and the limiting plate of the plug board. And the oscilloscopes with different widths and sizes can be installed at the bottom through the detachable plugboard.

Description

TECHNICAL FIELD

[0001] The utility model relates to singlechip development detection device technical field especially, relates to a singlechip development auxiliary detection device. BACKGROUND

[0002] Singlechip (Microcontroller Unit, MCU) is a kind of integrated circuit chip, it integrates CPU, memory (including RAM and ROM), input / output interface etc. in a chip, forms a complete microcomputer system.Singlechip is widely used in embedded system and automation control field. With the development of technology, the performance of singlechip is continuously promoted, and function is also continuously increased, such as integrating more analog functions, communication interface etc. to meet more complex application needs.

[0003] In the development process of singlechip, to ensure that singlechip can realize its setting purpose and functional requirement in the development process, usually need auxiliary detection device to detect the function and effect of singlechip in the development process, and the auxiliary detection device for singlechip development currently mainly includes:

[0004] (1) logic analyzer: collect multiple digital signals, and display the logic level change of these signals with time in graphical way. In singlechip development, it can be used to analyze data transmission between singlechip and external equipment, address decoding, timing of control signal etc. For example, when singlechip communicates with storage chip, through logic analyzer, signal change on read-write signal, address and data line can be clearly seen, to help developer to judge whether data transmission is correct and whether there is timing violation problem.

[0005] (2) oscilloscope: mainly used for observing the waveform of electric signal. For singlechip development, it can be used to detect pulse signal, analog voltage signal etc. output by singlechip pin. For example, when singlechip outputs a PWM (pulse width modulation) signal to control motor speed, oscilloscope can display the frequency, duty ratio and amplitude of PWM signal, to judge whether the signal meets the expectation, so as to adjust relevant setting in singlechip program.

[0006] (3) simulator: it can simulate the running environment of singlechip. Developer can use simulation software on PC, loads the program written to run in simulator. Simulator can display the state change of singlechip internal register, memory etc. in real time. For example, when debugging a timer interrupt program, through simulator, the value change of timer related register before and after interrupt can be observed, to determine whether the program executes as expected, which helps to find logic error in program.

[0007] But for the detection of the electric signal of the single-chip microcomputer by using the oscilloscope, the existing oscilloscope device has low fixing stability on the chassis, especially when the oscilloscope is placed on the chassis, if fixed by fasteners, corresponding screw holes need to be set on the oscilloscope, which brings inconvenience to the overall design and needs to set additional screw holes, and when fixed by fasteners, mounting holes need to be set on the chassis synchronously, which cannot meet the position requirements of the reserved mounting holes when different oscilloscopes are placed, so the adaptability of the placement of different oscilloscopes is low. Content of the utility model

[0008] Therefore, the utility model aims at providing a single-chip microcomputer development auxiliary detection device to improve the mounting stability of the oscilloscope and realize the mounting of the oscilloscope on the bottom through the detachable plug-in board for different width sizes of the oscilloscope.

[0009] To achieve the above-mentioned purpose, the utility model provides a single-chip microcomputer development auxiliary detection device, which comprises a chassis, a plug-in board and an oscilloscope main body.

[0010] The oscilloscope main body is fixedly arranged on the chassis, the plug-in board is connected to the chassis, and the plug-in board is connected to the bottom of the oscilloscope main body.

[0011] The chassis comprises a bottom plate, a vertical plate and a side plate, the vertical plate is fixedly connected to the side of the bottom plate, the included angle between the vertical plate and the bottom plate is obtuse, and the side plate is arranged on both sides of the bottom plate and connected to the vertical plate and the bottom plate.

[0012] A perspective window is arranged on the vertical plate, the display screen of the oscilloscope main body is located in the perspective window, and the side of the oscilloscope main body is fixedly connected to both sides of the vertical plate.

[0013] The bottom of the oscilloscope main body is supported on the bottom plate, a limiting plate and a guide column are arranged on the bottom plate, the limiting plate and the guide column are arranged in the vertical direction, and the limiting plate is arranged closer to the vertical plate than the guide column.

[0014] The plug-in board comprises a mounting plate, a connecting plate and a plug-in plate, the mounting plate and the plug-in plate are connected to both sides of the connecting plate respectively, the mounting plate and the plug-in plate are arranged vertically to the connecting plate, the mounting plate and the plug-in plate are parallel and the mounting plate is located below the plug-in plate, mounting holes and guide grooves are arranged on the mounting plate, fasteners are arranged in the mounting holes to fixedly connect the plug-in board to the bottom plate, the guide grooves are matched with the guide column, the end of the plug-in plate is inserted into the slot on the back side of the oscilloscope main body, and the limiting plate is stopped on the bottom of the oscilloscope main body.

[0015] Further, the limiting plate is vertically arranged with the plug-in plate.

[0016] Further, the plug-in plate and the limiting plate are arranged in a spaced manner along the width direction of the bottom plate.

[0017] Further, the width dimension of the guide groove is greater than the outer diameter dimension of the guide column.

[0018] Further, the height dimension of the limiting plate is less than the height dimension of the connecting plate.

[0019] Compared with the prior art, the single-chip microcomputer development auxiliary detection device has the beneficial effects that: in order to ensure the stability of placing the oscilloscope main body, the oscilloscope main body is placed on the chassis, the limiting plate and the guide column are arranged on the bottom plate of the chassis, the plug-in plate connected with the bottom plate and used for plugging the back side of the oscilloscope main body includes a mounting plate, a connecting plate and a plug-in plate, the mounting plate is provided with a mounting hole and a guide groove, the plug-in plate and the bottom plate are connected through the fastener in the mounting hole, the stability of the plug-in plate is ensured and deviation or shaking is prevented through cooperation between the guide groove and the guide column, the limiting plate is arranged to limit the width direction of the oscilloscope main body at the bottom, the support stability of the oscilloscope main body at the bottom is realized through the plug-in plate and the limiting plate of the plug-in plate, and the plug-in plate is detachable, so that the oscilloscope with different width dimensions can be installed at the bottom. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 FIG. 1 is a structural schematic view of the single-chip microcomputer development auxiliary detection device in the embodiment of the present application;

[0021] Figure 2 FIG. 2 is another angle of the structural schematic view of the single-chip microcomputer development auxiliary detection device in the embodiment of the present application;

[0022] Figure 3 FIG. 3 is a structural schematic view of the single-chip microcomputer development auxiliary detection device without the oscilloscope main body in the embodiment of the present application;

[0023] Figure 4 FIG. 4 is a partial structural schematic view of the chassis in the embodiment of the present application. DETAILED DESCRIPTION

[0024] The present application will be further described in detail below in combination with the drawings and specific embodiments.

[0025] Please refer to Figures 1-4 FIG. 1, the present application provides a single-chip microcomputer development auxiliary detection device, which includes a chassis 10, a plug-in plate 20 and an oscilloscope main body 30.

[0026] The oscilloscope body 30 is fixedly arranged on the chassis 10, and the plug-in board 20 is connected to the chassis 10 and connected to the bottom of the oscilloscope body 30. The oscilloscope body 30 displays the electrical signal when detecting the development process of the single-chip microcomputer, thereby determining whether the function of the single-chip microcomputer meets the design requirements.

[0027] The chassis 10 comprises a bottom plate 11, a vertical plate 12 and side plates 13. The vertical plate 12 is fixedly connected to the side of the bottom plate 11, and the included angle between the vertical plate 12 and the bottom plate 11 is obtuse. The side plates 13 are arranged on both sides of the bottom plate 11 and connected to the vertical plate 12 and the bottom plate 11. The side plates 13 improve the overall connection strength of the chassis 10.

[0028] The vertical plate 12 is provided with a perspective window, and the display screen of the oscilloscope body 30 is located in the perspective window. The side of the oscilloscope body 30 is fixedly connected to the two sides of the vertical plate 12.

[0029] The bottom of the oscilloscope body 30 is supported on the bottom plate 11. The bottom plate 11 is provided with a limiting plate 111 and a guide column 112. The limiting plate 111 and the guide column 112 are arranged in the vertical direction. The limiting plate 111 is arranged closer to the vertical plate 12 than the guide column 112. The plug-in board 20 and the limiting plate 111 are arranged in the width direction of the bottom plate 11.

[0030] The plug-in board 20 comprises a mounting plate 21, a connecting plate 22 and a plug-in plate 23. The mounting plate 21 and the plug-in plate 23 are connected to the two sides of the connecting plate 22, respectively. The mounting plate 21 and the plug-in plate 23 are arranged vertically with respect to the connecting plate 22. The limiting plate 111 is arranged vertically with respect to the plug-in plate 23. The mounting plate 21 and the plug-in plate 23 are parallel, and the mounting plate 21 is below the plug-in plate 23. The height dimension of the limiting plate 111 is less than the height dimension of the connecting plate 22. Thus, the plug-in plate 23 on one side of the connecting plate 22 is arranged in the height direction to be dislocated from the limiting plate 111 and effectively supports the oscilloscope body 30.

[0031] The mounting plate 21 is provided with a mounting hole 211 and a guide groove 212. A fastener is arranged in the mounting hole 211 to fixedly connect the plug-in board 20 to the bottom plate 11. The width dimension of the guide groove 212 is greater than the outer diameter dimension of the guide column 112. The guide groove 212 cooperates with the guide column 112. The cooperation between the guide groove 212 and the guide column 112 can ensure the connection stability of the plug-in board 20 and prevent the plug-in board 20 from being deviated or shaken.

[0032] The end of the insertion plate 23 is inserted into the slot on the back side of the oscilloscope body 30, and the limiting plate 111 is stopped at the bottom of the oscilloscope body 30. The limiting plate 111 is arranged to limit the width direction of the oscilloscope body 30 at the bottom, so that the insertion plate 20 and the limiting plate 111 can realize the support stability of the oscilloscope body 30 at the bottom, respectively, and the insertion plate 20 can realize the installation of the oscilloscope with different width sizes at the bottom.

[0033] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A microcontroller development auxiliary testing device, characterized in that, It includes a chassis, a plug-in board and an oscilloscope body; The oscilloscope body is fixedly arranged on the chassis, and the plug-in board is connected to the chassis and connected to the bottom of the oscilloscope body. The chassis includes a bottom plate, a vertical plate and side plates, the vertical plate is fixedly connected to the side of the bottom plate, the included angle between the vertical plate and the bottom plate is obtuse, and the side plates are arranged on both sides of the bottom plate and connected to the vertical plate and the bottom plate. A perspective window is arranged on the vertical plate, the display screen of the oscilloscope body is located in the perspective window, and the side of the oscilloscope body is fixedly connected to both sides of the vertical plate. The bottom of the oscilloscope body is supported on the bottom plate, a limiting plate and a guide column are arranged on the bottom plate, the limiting plate and the guide column are arranged in the vertical direction, and the limiting plate is arranged closer to the vertical plate than the guide column. The plug-in board includes a mounting plate, a connecting plate and a plug-in plate, the mounting plate and the plug-in plate are connected to both sides of the connecting plate, the mounting plate and the plug-in plate are arranged perpendicularly to the connecting plate, the mounting plate and the plug-in plate are parallel and the mounting plate is below the plug-in plate, mounting holes and guide grooves are arranged on the mounting plate, fasteners are arranged in the mounting holes to fixedly connect the plug-in board to the bottom plate, the guide grooves are matched with the guide column, the end of the plug-in plate is inserted into the slot on the back side of the oscilloscope body, and the limiting plate is stopped at the bottom of the oscilloscope body.

2. The single-chip microcomputer development auxiliary detection device according to claim 1, wherein The limiting plate is arranged perpendicularly to the plug-in plate.

3. The single-chip microcomputer development auxiliary detection device according to claim 2, wherein The plug-in board and the limiting plate are arranged at intervals along the width direction of the bottom plate.

4. The single-chip microcomputer development auxiliary detection device according to claim 3, wherein The width dimension of the guide groove is greater than the outer diameter dimension of the guide column.

5. The single-chip microcomputer development auxiliary detection device according to claim 4, wherein The height dimension of the limiting plate is less than the height dimension of the connecting plate.

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