Integrated direct current signal acquisition device

Abstract

The utility model relates to an integrated direct current signal acquisition device which comprises an upper shell, a lower shell, a display panel, a power panel and a signal acquisition board. The display panel, the power panel and the signal acquisition board are arranged in the upper shell, and the lower shell is connected to the bottom of the upper shell. And the display panel, the power panel and the signal acquisition board are sequentially arranged in the upper shell from top to bottom, are connected through contact pins and are arranged at intervals from top to bottom. And a heat dissipation air duct is arranged in the lower shell and is communicated with the interior of the upper shell. And a display screen and keys are arranged on the display panel. Compared with a traditional direct current signal acquisition device, the direct current signal acquisition device has the advantages of being small in size, convenient to install, excellent in heat dissipation performance, convenient to operate, high in electromagnetic compatibility and capable of better meeting the requirements of the modern industrial field for the direct current signal acquisition device.

Description

TECHNICAL FIELD

[0001] The utility model relates to signal collection technical field, concretely relates to integrated direct current signal collection device. BACKGROUND

[0002] The industrial sensor monitoring, charging pile measurement, medical equipment signal collection and other fields all need to carry out direct current signal collection, and the traditional direct current signal collection device is large in size, is difficult to meet the demand of the present industrial sensor monitoring, charging pile measurement, medical equipment signal collection and other fields, and lacks heat dissipation, which influences the use experience. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing integrated direct current signal collection device, solves the above -mentioned problem existing in the present direct current signal collection device.

[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] Integrated direct current signal collection device, including upper shell, lower shell, display board, power board and signal collection board, display board, power board and signal collection board are arranged in the upper shell, the lower shell is connected to the bottom of the upper shell, display board, power board and signal collection board are sequentially arranged in the upper shell, display board, power board and signal collection board are connected through the pin, wherein, display board, power board and signal collection board are arranged in the upper and lower interval, the lower shell is provided with the heat dissipation air duct, the heat dissipation air duct is through with the inside of the upper shell, and the display board is provided with display screen and button.

[0006] Further, the heat dissipation air duct includes first air duct, second air duct, third air duct and fourth air duct, the first air duct is arranged through the lower shell front end face, the second air duct is arranged through the lower shell top surface, and the first air duct and the second air duct are communicated, the third air duct is arranged through the lower shell top surface and is arranged with the second air duct interval, the fourth air duct is arranged through the lower shell rear end face, and the third air duct and the fourth air duct are communicated.

[0007] Further, the display board and the power board, the power board and the signal collection board are provided with shielding plate.

[0008] Further, the upper shell is plastic material and is integrally formed, and the lower shell is aluminum alloy material.

[0009] Further, the lower shell bottom surface is provided with guide rail buckle.

[0010] Further, the upper and lower two side surfaces of the lower shell are provided with mounting lug plate, and the mounting lug plate is provided with mounting hole.

[0011] The utility model discloses the beneficial effect of:

[0012] The utility model discloses integrated direct current signal acquisition device, through integrated design, the compact setting of display board, power board and signal acquisition board etc. Key components in the upper casing, the overall volume of device is reduced significantly, make it more easily adapt to various installation space, satisfy the restriction requirement of device size to industrial sensor monitoring, charging pile measurement, medical equipment signal acquisition etc. Field. The heat dissipation air duct that passes through the inside of upper casing is arranged in the lower casing, through reasonable air duct design, the heat dissipation efficiency of device is effectively promoted, the performance drop or damage due to overheating is avoided, prolongs the service life of device. The display screen and the key are set up on the display board, and the user is convenient to operate and check information, improve the user's use convenience and experience. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structure schematic diagram (stereogram) of the utility model integrated direct current signal acquisition device;

[0014] Figure 2 It is Figure 1 Another angle structure schematic diagram;

[0015] Figure 3 It is Figure 2 Another angle structure schematic diagram;

[0016] Figure 4 It is the structure schematic diagram (explosion diagram) of the utility model integrated direct current signal acquisition device.

[0017] The name corresponding to each mark in the drawing:

[0018] 1-upper casing;2-lower casing;21-first air duct;22-second air duct;23-third air duct;24-fourth air duct;3-display board;31-display screen;4-power board;5-signal acquisition board;7-guide rail buckle;8-mounting ear plate;81-mounting hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0020] As Figures 1-4 shown, the utility model provides a kind of integrated direct current signal acquisition device, and the device includes upper casing 1, lower casing 2, display board 3, power board 4 and signal acquisition board 5.

[0021] Figure 2 And Figure 3As shown, the upper shell 1 is made of plastic material and is integrally formed. This design not only reduces the overall weight of the device, but also improves its corrosion resistance and insulation performance. The upper shell 1 is internally provided with a space for accommodating the display panel 3, the power supply panel 4 and the signal acquisition panel 5. These PCB board parts are arranged in the upper shell 1 in sequence from top to bottom, connected by pins, and maintain a certain interval between them to avoid mutual interference.

[0022] Figures 2-4 As shown, the lower shell 2 is connected to the bottom of the upper shell 1 and is made of aluminum alloy, which has good heat dissipation performance and mechanical strength. A heat dissipation air duct is provided in the lower shell 2, which is communicated with the inside of the upper shell 1, effectively improving the heat dissipation efficiency of the device. The heat dissipation air duct specifically includes a first air duct 21, a second air duct 22, a third air duct 23 and a fourth air duct 24. The first air duct 21 is provided through the front end face of the lower shell 2, the second air duct 22 is provided through the top face of the lower shell 2 and is communicated with the first air duct 21, the third air duct 23 is also provided through the top face of the lower shell 2 but is spaced apart from the second air duct 22, and the fourth air duct 24 is provided through the rear end face of the lower shell 2 and is communicated with the third air duct 23. Such air duct design enables air to form a convection inside the device, thereby quickly taking away heat.

[0023] The display panel 3 is arranged on the uppermost layer of the upper shell 1, and a display screen 31 and a key are arranged thereon to facilitate user operation and information viewing. In order to further improve electromagnetic compatibility, a shielding plate is arranged between the display panel 3 and the power supply panel 4, and between the power supply panel 4 and the signal acquisition panel 5. These shielding plates can effectively isolate electromagnetic interference and ensure stable operation of the device.

[0024] In addition, the bottom surface of the lower shell 2 is also provided with a guide rail buckle 7 to facilitate the installation and fixation of the device. At the same time, mounting ear plates 8 are arranged on the upper and lower sides of the lower shell 2, and mounting holes 81 are arranged on the mounting ear plates 8 to facilitate the fixation of the device on other equipment or structures by bolts and other fasteners.

[0025] The power module and the voltage conversion circuit are arranged on the power board 4, and the MCU, the metering unit, the sampling circuit and the isolation circuit are arranged on the signal acquisition board, the power module and the metering unit are connected with the MCU, the MCU is connected with the storage unit, the display board 3 and the communication unit, the metering unit is connected with the voltage signal and the current signal through the sampling circuit, and the power module is further connected with an auxiliary power module. The input acquisition device is one auxiliary power, one direct current voltage and one direct current, the auxiliary power is converted into low voltage by the power circuit to supply power to each hardware circuit inside the acquisition device, the voltage and the current enter the metering unit through the sampling circuit, are transmitted to the single-chip microcomputer after data processing, the single-chip microcomputer displays the data collected by the instrument and the data measured by itself on the display screen 31 through the display unit, and the keys can be used to directly set the parameters inside the acquisition device; meanwhile, the data transmission between the acquisition device and the upper computer can be realized through the communication circuit.

[0026] In practical applications, the integrated DC signal acquisition device can meet the needs of industrial sensor monitoring, charging pile metering and medical equipment signal acquisition in the field of DC signal acquisition device due to its small size and excellent heat dissipation performance. At the same time, its good electromagnetic compatibility and installation convenience further improve the use experience and application range of the device.

[0027] Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.

Claims

1. An integrated DC signal acquisition device, characterized by: The device comprises an upper shell, a lower shell, a display board, a power board and a signal acquisition board, the display board, the power board and the signal acquisition board are arranged in the upper shell, the lower shell is connected to the bottom of the upper shell, the display board, the power board and the signal acquisition board are arranged in the upper shell in sequence from top to bottom, the display board, the power board and the signal acquisition board are connected through pins, wherein the display board, the power board and the signal acquisition board are arranged in sequence from top to bottom, a heat dissipation air duct is arranged in the lower shell, the heat dissipation air duct is through the inside of the upper shell, and a display screen and a key are arranged on the display board.

2. The integrated DC signal acquisition device of claim 1, wherein: The heat dissipation air duct comprises a first air duct, a second air duct, a third air duct and a fourth air duct, the first air duct is arranged through the front end surface of the lower shell, the second air duct is arranged through the top surface of the lower shell, the first air duct and the second air duct are communicated, the third air duct is arranged through the top surface of the lower shell and is arranged in a spaced mode with the second air duct, and the fourth air duct is arranged through the rear end surface of the lower shell and the third air duct and the fourth air duct are communicated.

3. The integrated DC signal acquisition device of claim 1, wherein: Shielding plates are arranged between the display board and the power board and between the power board and the signal acquisition board.

4. The integrated DC signal acquisition device of claim 1, wherein: The upper shell is made of plastic and is integrally formed, and the lower shell is made of aluminum alloy.

5. The integrated DC signal acquisition device of claim 4, wherein: A guide rail buckle is arranged on the bottom surface of the lower shell.

6. The integrated DC signal acquisition device of claim 5, wherein: Mounting ear plates are arranged on the upper and lower side surfaces of the lower shell, and mounting holes are arranged on the mounting ear plates.

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