Heat effect experiment table

Abstract

The utility model relates to a heat effect experiment table, which comprises an experiment table main body, a data acquisition unit, an electric connection assembly and a main control circuit board, the experiment table main body comprises a panel, and display control parts of the data acquisition unit and the electric connection assembly are both exposed and arranged on the panel of the experiment table main body. The master control circuit board is provided with a plurality of terminal access ports used for being electrically connected with the semiconductor chips, and the terminal access ports are arranged on a panel of the experiment table body in an exposed mode. The panel is obliquely or vertically arranged on the experiment table main body so as to correspond to the front view direction of the eyes of a human body; the data collector, the electric connection assembly and the semiconductor chip are electrically connected with the main control circuit board, so that the semiconductor chip outputs electric signals to the electric connection assembly and the data collector in the process that the semiconductor chip generates current through temperature difference.

Description

Technical Field

[0001] The utility model relates to the technical field of experimental equipment teaching, in particular to a thermal effect experimental table. Background Art

[0002] Chinese patent No. ZL201921492205.0 discloses a semiconductor experimental table, including a workbench, wherein four corner positions of the lower end face of the workbench are vertically installed with mutually parallel support columns, a mounting groove is opened in the middle of the upper end face of the workbench, a cover plate is rotatably installed at the rear end of the upper end face of the mounting groove, a circuit mounting board is installed in the inner cavity of the mounting groove, a power supply is arranged at the front end of the mounting groove, a plurality of experimental sockets distributed in a matrix are arranged on the upper end face of the circuit mounting board, a pair of left-right symmetrical arc protrusions are arranged in the inner cavity of the experimental socket, a plug is inserted at the upper end of the experimental socket, a pair of left-right symmetrical power sockets are arranged at the upper end of the power supply, the plugs are electrically connected through wires, a pair of left-right symmetrical arc-shaped paddles are arranged at the lower end of the plug, and slots are arranged at the positions corresponding to the outer walls of the paddles and the arc protrusions. The semiconductor experimental table does not have a good space for placing experimental equipment such as semiconductor chips, and the experimenter needs to look down to observe the workbench. There are no experimental instruments such as data collectors on the experimental table, and the experimenter needs additional configuration. Utility Model Content

[0003] The purpose of the utility model is to provide a thermal effect experiment table, which integrates experimental instruments such as a data acquisition device and an electrical connection assembly on the experimental table. The experimenter does not need to find and configure the corresponding experimental instruments during the experiment. The panel corresponds to the direction of the body's eyes, and the experimenter does not need to bend over or look down to operate and watch, thereby improving the comfort of the experimenter.

[0004] The purpose of the utility model is achieved in this way:

[0005] A thermal effect test bench comprises a test bench body, a data collector, an electrical connection assembly and a main control circuit board. The test bench body comprises a panel. The data collector and the display control part of the electrical connection assembly are both exposed and arranged on the panel of the test bench body. The main control circuit board is provided with a plurality of terminal access ports for electrical connection with a semiconductor chip. The terminal access ports are exposed and arranged on the panel of the test bench body.

[0006] The panel is arranged on the main body of the experimental table in an inclined or vertical manner to correspond to the normal viewing direction of the human eye;

[0007] The data collector, the electrical connection assembly and the semiconductor chip are electrically connected to the main control circuit board respectively, so that when the semiconductor chip generates current through temperature difference, the output electrical signal of the semiconductor chip is sent to the electrical connection assembly and the data collector.

[0008] The data acquisition device, electrical connection assembly and other experimental instruments are integrated on the experimental table. The experimenter does not need to find and configure the corresponding experimental instruments during the experiment. The panel of the thermal effect experimental table corresponds to the direction of the body's eyes. The experimenter does not need to bend over or look down to operate and watch, which improves the comfort of the experimenter.

[0009] The electrical connection assembly includes a programmable DC power supply and an electronic load, and the programmable DC power supply and the electronic load are electrically connected to the main control circuit board respectively.

[0010] The data collector is a multi-channel temperature recorder electrically connected to the main control circuit board. The multi-channel temperature recorder includes a sensor, a data acquisition processing unit and a display. The display of the multi-channel temperature recorder is exposed on the panel of the experimental table body.

[0011] The panel of the main body of the experimental table is provided with openings corresponding to the display control parts of the data collector and the electrical connection assembly. The display control parts of the data collector and the electrical connection assembly extend out of the panel openings correspondingly, so as to facilitate the experimenter to open, operate and observe the data collector.

[0012] An installation cavity for accommodating the data collector and the electrical connection assembly is provided in the main body of the experimental table. A bracket for supporting the data collector and the electrical connection assembly is provided on the installation cavity to prevent the data collector and the electrical connection assembly from shaking in the installation cavity.

[0013] A display terminal for displaying data from the data collector is provided on the main body of the experimental bench. The display terminal is connected to the data collector for communication. The display part of the display terminal is embedded on the panel, which can reduce the space occupied by the display terminal on the main body of the experimental bench, and the experimenter can look directly at the display terminal; alternatively, the display part of the display terminal is placed on the main body of the experimental bench.

[0014] The display terminal is a desktop computer, a tablet computer, a laptop computer or a mobile phone; when the display screen of the desktop computer is configured as an integrated unit with the host computer, the desktop computer includes a display screen, a mouse and a keyboard; or, the display screen of the desktop computer is separated from the host computer, and the main body of the experimental table is provided with a cabinet cavity for placing the host computer.

[0015] The main body of the experimental bench includes a frame, which is assembled from a plurality of support rod profiles. The hollow part of the inner cavity of the frame forms an installation cavity for accommodating the installation of a data acquisition device, an electrical connection assembly and a main control circuit board. The outer side of the frame is provided with an upper cover plate, a side plate and a back plate that cover and shield the installation cavity. The back plate is provided with a heat dissipation vent that connects the installation cavity with the outside air. The panel is fixed on the front surface of the frame, and the back plate is detachably installed on the back of the frame.

[0016] The support rod profile of the rack includes a cross bar, a longitudinal bar and a vertical bar. One end of the cross bar is abutted on one side of the vertical bar, and one end of the longitudinal bar is abutted on the other side of the vertical bar. A connecting corner block is provided at the corner connection between the cross bar and the longitudinal bar. One end of the connecting corner block is fixedly connected to the cross bar, and the other end of the connecting corner block is fixedly connected to the longitudinal bar. The cross bar and the longitudinal bar are provided with a limited installation groove for embedded installation of the connecting corner block. The rack is assembled from a plurality of support rod profiles to increase the supporting strength of the main body of the experimental table. A connecting corner block is provided at the corner connection between the cross bar and the longitudinal bar to facilitate the corner connection of the cross bar and the longitudinal bar, and to facilitate the assembly of the entire rack.

[0017] A storage box for storing objects is provided on the main body of the laboratory bench. The storage box is pull-out and movably arranged on the main body of the laboratory bench. The storage box is provided with a storage cavity and a support table for supporting objects. An experimental platform for placing experimental equipment is provided on the main body of the laboratory bench. The experimental platform is located below the panel. The storage box is pull-out and arranged between the panel and the experimental platform. The experimental platform extends laterally out of the outer side of the main body of the laboratory bench.

[0018] The main body of the experimental bench is provided with a dust cover for covering the panel. The dust cover is rotatably or detachably installed on the main body of the experimental bench. When the experimental bench is not in need of use, the dust cover covers the panel to prevent dust from contaminating the display components on the panel.

[0019] The beneficial effects of the utility model are as follows:

[0020] The data logger, electrical connection assembly and other experimental instruments are integrated on the experimental table. The experimenter does not need to find and configure the corresponding experimental instruments during the experiment. The panel corresponds to the direction of the body's eyes, and the experimenter does not need to bend over or look down to operate and watch, which improves the experimenter's comfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of a thermal effect experiment table according to an embodiment of the utility model.

[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of the thermal effect test bench in another aspect of an embodiment of the utility model.

[0023] Figure 3 It is a three-dimensional structural schematic diagram of a storage box according to an embodiment of the utility model.

[0024] Figure 4 It is a schematic diagram of the partial assembly and decomposition structure of a thermal effect test bench according to one embodiment of the utility model.

[0025] Figure 5 It is a schematic diagram of the enlarged structure of the frame part of an embodiment of the utility model. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0027] See also Figure 1-Figure 5 A thermal effect test bench includes a test bench body 1, a data acquisition device 2, an electrical connection assembly 3 and a main control circuit board. The test bench body 1 includes a panel 4. The data acquisition device 2 and the display control part of the electrical connection assembly 3 are both exposed and arranged on the panel 4 of the test bench body 1. The main control circuit board is provided with a plurality of terminal access ports 5 for electrical connection with a semiconductor chip. The terminal access ports 5 are exposed and arranged on the panel 4 of the test bench body 1.

[0028] The panel 4 is arranged on the main body 1 of the experimental table in an inclined or vertical manner to correspond to the normal viewing direction of the human eye;

[0029] The data collector 2, the electrical connection assembly 3 and the semiconductor chip are electrically connected to the main control circuit board respectively, so that when the semiconductor chip generates current through temperature difference, the output electrical signal of the semiconductor chip is sent to the electrical connection assembly 3 and the data collector 2.

[0030] It is an existing technology that semiconductor chips generate electricity through temperature difference. For example, one side of the semiconductor can be equipped with a fan, and the other side of the semiconductor can be equipped with a heater, so that there is a temperature difference between the two end surfaces of the semiconductor. These are common knowledge for those skilled in the art and will not be described in detail here.

[0031] The electrical connection assembly 3 includes a programmable DC power supply 6 and an electronic load 7, and the programmable DC power supply 6 and the electronic load 7 are electrically connected to the main control circuit board respectively.

[0032] The data collector 2 is a multi-channel temperature recorder electrically connected to the main control circuit board. The multi-channel temperature recorder includes a sensor, a data acquisition processing unit and a display. The display of the multi-channel temperature recorder is exposed on the panel 4 of the experimental platform body 1.

[0033] The panel 4 of the experimental table body 1 is provided with openings corresponding to the display control parts of the data collector 2 and the electrical connection assembly 3 , and the display control parts of the data collector 2 and the electrical connection assembly 3 extend out of the openings of the panel 4 .

[0034] The main body 1 of the experimental table is provided with an installation cavity for accommodating the data collector 2 and the electrical connection assembly 3 , and the installation cavity is provided with a bracket for supporting the data collector 2 and the electrical connection assembly 3 .

[0035] The experimental bench body 1 is provided with a display terminal 8 for displaying data from the data collector 2. The display terminal 8 is in communication connection with the data collector 2, and the display part of the display terminal 8 is embedded in the panel 4; alternatively, the display part of the display terminal 8 is placed on the experimental bench body 1.

[0036] The display terminal 8 is a desktop computer, a tablet computer, a laptop computer or a mobile phone; when the display screen 9 of the desktop computer is integrally configured with the host 26, the desktop computer includes a display screen 9, a mouse 10 and a keyboard 11; or, the display screen 9 of the desktop computer and the host 26 are separately arranged, and the experimental table body 1 is provided with a cabinet cavity 27 for placing the host 26.

[0037] The main body 1 of the experimental table includes a frame 12, which is assembled from a plurality of support rod profiles 13. The hollow part of the inner cavity of the frame 12 forms an installation cavity for accommodating the installation of the data acquisition device 2, the electrical connection assembly 3 and the main control circuit board. The outer side of the frame 12 is provided with an upper cover plate 14, a side plate 15 and a back plate 16 for covering and shielding the installation cavity. The back plate 16 is provided with a heat dissipation vent 17 connecting the installation cavity with the outside air. The panel 4 is fixed on the front surface of the frame 12, and the back plate 16 is detachably installed on the back of the frame 12.

[0038] In this embodiment, the back plate 16 is detachably mounted on the back of the rack 12 by means of screws. After the back plate 16 is detached, a maintenance space can be formed on the back of the rack 12 .

[0039] The support rod profile 13 of the frame 12 includes a cross bar 22, a longitudinal bar 23 and a vertical bar 24. One end of the cross bar 22 abuts against one side of the vertical bar 24, and one end of the longitudinal bar 23 abuts against the other side of the vertical bar 24. A connecting corner block 25 is provided at the corner connection between the cross bar 22 and the longitudinal bar 23. One end of the connecting corner block 25 is fixedly connected to the cross bar 22, and the other end of the connecting corner block 25 is fixedly connected to the longitudinal bar 23; the cross bar 22 and the longitudinal bar 23 are provided with a limit installation groove for embedded installation of the connecting corner block 25.

[0040] In this embodiment, the connecting corner block 25 can be fixed to the rod 22 and the longitudinal rod 23 by means of fixing links such as screws.

[0041] The main body 1 of the experimental bench is provided with a storage box 18 for storing objects. The storage box 18 is movably arranged on the main body 1 of the experimental bench. The storage box 18 is provided with a storage cavity 19 and a support table 20 for supporting objects. The main body 1 of the experimental bench is provided with an experimental platform 21 for placing experimental equipment. The experimental platform 21 is located below the panel 4. The storage box 18 is movably arranged between the panel 4 and the experimental platform 21. The experimental platform 21 extends laterally out of the outer side of the main body 1 of the experimental bench.

[0042] The storage cavity 19 of the storage box 18 can store the mouse 10 and the keyboard 11. When the mouse 10 and the keyboard 11 need to be used, the storage box 18 can be pulled out and the mouse 10 and the keyboard 11 can be placed on the support table 20 for use, which saves a lot of space.

[0043] In this embodiment, a receiving cavity for accommodating a storage box 18 is provided between the panel 4 and the experimental platform 21, a fixing rod is provided on the inner side of the receiving cavity, and a slot component which is clamped on the fixing rod is provided on the outer side of the storage box 18. The slot component is fixedly connected to the outer side of the receiving cavity by screws. When the storage box 18 is pulled out, a relative movement is formed between the slot component and the fixing rod, and the fixing rod is limited in the slot of the slot component.

[0044] A dust cover for covering the panel 4 is provided on the main body 1 of the experimental table. The dust cover is rotatably or detachably mounted on the main body 1 of the experimental table.

[0045] In this embodiment, the dust cover is rotatably opened and closed on the experimental table body 1 by means of a hinge structure, or the dust cover is detachably mounted on the experimental table body 1 by means of fasteners such as screws.

[0046] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A thermal effect test bench, comprising a test bench body (1), characterized in that: The apparatus also includes a data acquisition device (2), an electrical connection assembly (3) and a main control circuit board. The main body (1) of the experimental platform includes a panel (4). The display control parts of the data acquisition device (2) and the electrical connection assembly (3) are both exposed and arranged on the panel (4) of the main body (1) of the experimental platform. The main control circuit board is provided with a plurality of terminal access ports (5) for electrically connecting to the semiconductor chip. The terminal access ports (5) are exposed and arranged on the panel (4) of the main body (1) of the experimental platform. The panel (4) is arranged on the experimental platform body (1) in an inclined or vertical manner to correspond to the normal viewing direction of human eyes; The data acquisition device (2), the electrical connection assembly (3) and the semiconductor chip are respectively electrically connected to the main control circuit board, so that when the semiconductor chip generates current through temperature difference, the output electrical signal of the semiconductor chip is transmitted to the electrical connection assembly (3) and the data acquisition device (2).

2. The thermal effect test bench according to claim 1, characterized in that: The electrical connection assembly (3) comprises a programmable DC power supply (6) and an electronic load (7), and the programmable DC power supply (6) and the electronic load (7) are electrically connected to the main control circuit board respectively.

3. The thermal effect test bench according to claim 1, characterized in that: The data collector (2) is a multi-channel temperature recorder electrically connected to the main control circuit board. The multi-channel temperature recorder comprises a sensor, a data acquisition processing unit and a display. The display of the multi-channel temperature recorder is exposed on the panel (4) of the experimental platform body (1).

4. The thermal effect test bench according to claim 1, characterized in that: The panel (4) of the experimental platform body (1) is provided with openings corresponding to the data acquisition device (2) and the display control part of the electrical connection assembly (3), and the display control part of the data acquisition device (2) and the electrical connection assembly (3) are extended out of the opening of the panel (4).

5. The thermal effect test bench according to claim 1, characterized in that: The experimental table body (1) is provided with an installation inner cavity for accommodating a data acquisition device (2) and an electrical connection assembly (3), and the installation inner cavity is provided with a bracket for supporting the data acquisition device (2) and the electrical connection assembly (3).

6. The thermal effect test bench according to claim 1, characterized in that: A display terminal (8) for displaying data from a data collector (2) is provided on the main body (1) of the experimental platform. The display terminal (8) is connected to the data collector (2) for communication. The display portion of the display terminal (8) is embedded in the panel (4); or the display portion of the display terminal (8) is placed on the main body (1) of the experimental platform.

7. The thermal effect test bench according to claim 6, characterized in that: The display terminal (8) is a desktop computer, a tablet computer, a laptop computer or a mobile phone; when the display screen (9) of the desktop computer and the host (26) are configured in an integrated manner, the desktop computer includes a display screen (9), a mouse (10) and a keyboard (11); or, the display screen (9) of the desktop computer and the host (26) are configured separately, and the experimental table body (1) is provided with a cabinet cavity (27) for placing the host (26).

8. The thermal effect test bench according to claim 1, characterized in that: The main body (1) of the experimental table comprises a frame (12), which is assembled from a plurality of support rod profiles (13). The hollow portion of the inner cavity of the frame (12) forms an installation cavity for accommodating and installing a data acquisition device (2), an electrical connection assembly (3) and a main control circuit board. The outer side of the frame (12) is provided with an upper cover plate (14) covering and shielding the installation cavity, a side plate (15) and a back plate (16). The back plate (16) is provided with a heat dissipation vent (17) connecting the installation cavity with the outside air. The panel (4) is fixed on the front surface of the frame (12); and the back plate (16) is detachably mounted on the back of the frame (12).

9. The thermal effect test bench according to claim 8, characterized in that: The support rod profile (13) of the frame (12) comprises a crossbar (22), a longitudinal rod (23) and a vertical rod (24); one end of the crossbar (22) abuts against one side of the vertical rod (24); one end of the longitudinal rod (23) abuts against the other side of the vertical rod (24); a connecting corner block (25) is provided at the corner connection between the crossbar (22) and the longitudinal rod (23); one end of the connecting corner block (25) is fixedly connected to the crossbar (22); and the other end of the connecting corner block (25) is fixedly connected to the longitudinal rod (23); and a limit installation groove portion for embeddedly installing the connecting corner block (25) is provided on the crossbar (22) and the longitudinal rod (23).

10. The thermal effect test bench according to claim 1, characterized in that: The main body (1) of the experimental table is provided with a storage box (18) for storing objects. The storage box (18) is movably arranged on the main body (1) of the experimental table. The storage box (18) is provided with a storage cavity (19) and a support table (20) for supporting objects. The main body (1) of the experimental table is provided with an experimental platform (21) for placing experimental equipment. The experimental platform (21) is located below the panel (4). The storage box (18) is movably arranged between the panel (4) and the experimental platform (21). The experimental platform (21) extends laterally from the outer side of the main body (1) of the experimental table. A dust cover for covering the panel (4) is provided on the main body (1) of the experimental table. The dust cover is rotatably or detachably mounted on the main body (1) of the experimental table.

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