Harmonic test tool
By setting up a heat dissipation fan, fan cover and ventilation and heat dissipation structure in the harmonic testing tool, the problem of poor heat dissipation effect of existing tools is solved, fast air heat dissipation and efficient heat conduction are achieved, and the reliability and maintenance convenience of the test tool are improved.
Patent Information
- Application Number
- CN202420797021.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-17
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-04-17
AI Technical Summary
During the testing process, the existing harmonic testing tools have low heat dissipation effect, which can cause internal heat generation, affect the testing work, and are difficult to maintain.
A harmonic testing tool was designed to provide a heat dissipation fan and fan cover in the shell, combined with a ventilation and heat dissipation structure of through holes and connection holes, and use a metal conductor to improve the heat derivation effect and achieve rapid air heat dissipation.
It effectively improves the heat dissipation effect of the test tool, avoids the risk of spontaneous combustion caused by overheating, simplifies the maintenance process, and improves the reliability of the test work.
Smart Images
Figure CN222439582U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric tools, specifically a harmonic test tool Background Art
[0002] Harmonics are waveforms whose frequency is an integer multiple of the fundamental waveform frequency. Generally speaking, an ideal AC power supply should be a pure sine waveform, but since most loads in the real world are nonlinear, this will cause distortion of the power waveform. After Fourier transform analysis of the distorted voltage waveform, the voltage waveform can be decomposed into different frequency multiples, and the frequency multiple components are called harmonics.
[0003] When harmonics are tested through the test device, a large amount of heat is generated during its working process. At the same time, the heat dissipation effect of the test device is low and the temperature cannot be quickly cooled down, which easily causes the internal heat of the test device to affect the normal test work. At the same time, when the test device is damaged internally, it is difficult to repair it quickly, which brings inconvenience to the work. Utility Model Content
[0004] The purpose of the utility model is to provide a harmonic testing tool to solve the problem of lack of effective heat dissipation structure proposed in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: comprising a panel, a display and a controller button are embedded on the outer side of the panel, a first rectangular hole is penetrated on the outer side of the panel, a protective shell is connected to the side of the panel away from the display, a test board is arranged in the inner cavity of the protective shell, an input port matching the first rectangular hole is installed on the upper side of the test board, an input switch is connected to the other end of the input port, a signal amplifier is connected to the other end of the input switch, an output switch is connected to the other end of the signal amplifier, an output switch is connected to the other end of the output switch, an output port is connected, a metal conductive sheet and a support are connected to the lower side of the test board, a connecting hole is penetrated on the outer side of the protective shell, a guide rail is connected to the outer side of the protective shell, a shell is sleeved on the outer side of the protective shell, a guide groove matching the guide rail is opened on the inner wall of the shell, a through hole matching the connecting hole is opened on the outer side of the shell, a second rectangular hole is opened on the outer side of the shell, a heat dissipation fan is installed in the inner cavity of the second rectangular hole, and a fan cover matching the heat dissipation fan is connected to the outer side of the shell.
[0006] Preferably, corner guards are connected to the upper sides of both ends of the outer side of the shell, and the corner guards are bonded and fixed to the shell.
[0007] Preferably, a bolt is connected to the outer side of the panel, and the other end of the bolt passes through the panel and is fixedly connected to the protective shell.
[0008] Preferably, a working indicator light is connected to the outer side of the panel, and the working indicator light is electrically connected to the display, controller button, input port, input switch, signal amplifier, output switch, output port, and cooling fan.
[0009] Preferably, a handle is connected to the upper side of the shell, and a rubber sheet is sleeved on the outer wall of the handle, and the rubber sheet is bonded and fixed to the handle.
[0010] Compared with the prior art, the beneficial effects of the utility model are:
[0011] 1) This solution conducts the heat generated by the test board to the metal conductive sheet through the setting of the protective shell and the outer shell, the through holes penetrate the connecting holes, and the metal conductive sheet cooperates to improve the effect of heat absorption and heat conduction, and ventilates and dissipates heat through the through holes and the connecting holes; and through the setting of the cooling fan and the fan cover, the heat generated inside the protective shell is quickly dissipated by air, thereby improving the overall heat dissipation effect;
[0012] 2) This solution provides sliding support for the protective shell by setting up guide rails and guide grooves, which is beneficial to the extended maintenance work of the protective shell. The complete overlap between the guide rails and the guide grooves is beneficial to the horizontal penetration of the holes and the connecting holes. Finally, the bolts are raised to fix the panel and the shell.
[0013] 3) This solution avoids collision and friction with nearby personnel or various external objects through the provision of corner guards, thereby enhancing the protection of the surroundings of the shell. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the main structure of the utility model;
[0016] Figure 3 This is a rear view structural diagram of the utility model;
[0017] Figure 4 This is a schematic diagram of the main cross-section of the utility model;
[0018] Figure 5 It is a top cross-sectional schematic diagram of the utility model.
[0019] In the figure: 1 panel, 2 display, 3 controller button, 4 first rectangular hole, 5 protective shell, 6 test board, 7 input port, 8 input switch, 9 signal amplifier, 10 output switch, 11 output port, 12 metal conductive sheet, 13 pillar, 14 guide rail, 15 shell, 16 guide groove, 17 connecting hole, 18 through hole, 19 hole, 20 bolt, 21 cooling fan, 22 fan cover, 23 working indicator light, 24 second rectangular hole, 25 third rectangular hole, 26 corner guard, 27 handle, 28 rubber sheet. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0022] Example:
[0023] See also Figure 1-5The utility model provides a technical solution: a harmonic test tool, comprising a panel 1, a display 2 and a controller button 3 are embedded on the outer side of the panel 1, a first rectangular hole 4 is penetrated through the outer side of the panel 1, a protective shell 5 is connected to the side of the panel 1 away from the display 2, a test board 6 is arranged in the inner cavity of the protective shell 5, an input port 7 matching the first rectangular hole 4 is installed on the upper side of the test board 6, an input switch 8 is connected to the other end of the input port 7, a signal amplifier 9 is connected to the other end of the input switch 8, an output switch 10 is connected to the other end of the signal amplifier 9, an output port 11 is connected to the other end of the output switch 10, a metal conductive sheet 12 and a support 13 are connected to the lower side of the test board 6, and the metal conductive sheet 1 2 and the other end of the pillar 13 are close to the bottom of the inner cavity of the protective shell 5, the outer side of the protective shell 5 is provided with a connecting hole 17 that penetrates through, the outer side of the protective shell 5 is connected with a guide rail 14, the outer side of the protective shell 5 is sleeved with an outer shell 15, the inner wall of the outer shell 15 is provided with a guide groove 16 that matches the guide rail 14, the outer side of the outer shell 15 is provided with a through hole 18 that matches the connecting hole 17, when the guide rail 14 and the guide groove 16 are completely overlapped, the connecting hole 17 and the through hole 18 are connected, the outer side of the outer shell 15 is provided with a second rectangular hole 24, the inner cavity of the second rectangular hole 24 is installed with a heat dissipation fan 21, the outer side of the outer shell 15 is connected with a fan cover 22 that matches the heat dissipation fan 21, and the outer side of the outer shell 15 is provided with a third rectangular hole 25 that matches the output port 11.
[0024] Among them, the upper sides of both ends of the outer side of the shell 15 are connected with corner guards 26, and the corner guards 26 are bonded and fixed to the shell 15. A through hole 19 is opened on the outer side of the panel 1. A bolt 20 is connected to the outer side of the panel 1. The other end of the bolt 20 penetrates the panel 1 and is fixedly connected to the protective shell 5. A working indicator light 23 is connected to the outer side of the panel 1. The working indicator light 23 is electrically connected to the display 2, the controller button 3, the input port 7, the input switch 8, the signal amplifier 9, the output switch 10, the output port 11, and the cooling fan 21. A handle 27 is connected to the upper side of the shell 15. The outer wall of the handle is provided with a rubber sheet 28, and the rubber sheet 28 is bonded and fixed to the handle 27.
[0025] Working principle: the device is stably placed at the designated position as a whole, and then the harmonic generator is connected to the input port 7. By inputting the harmonic to the input port 7, and the harmonic passes through the input switch 8, the signal amplifier 9 and the output switch 10 to the output port 11, during the harmonic transmission process, the stability of the harmonic transmission process and other data can be displayed through the display screen 2; part of the heat generated during the harmonic transmission process is conducted to the metal conductive sheet 12 through the test board 6, and the metal conductive sheet 12 improves the effect of heat absorption and heat conduction. With the cooperation of the connecting hole 17 and the through hole 18, the metal conductive sheet 12 is ventilated and heat-dissipated. At the same time, a rectangular hole 24 is opened on the outer side of the shell, and a heat dissipation fan 21 and a fan cover 22 are installed in the inner cavity of the rectangular hole 24. With the connection hole 17 and the through hole 18, the effect of ventilation and heat dissipation is improved, and the test board 6, the input port 7, the input switch 8, the signal amplifier 9, the output switch 10 and the output port 11 are prevented from overheating and causing spontaneous combustion. When working, the flashing color of the working indicator light 23 can be used to determine whether the device is working normally.
[0026] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model, and any figure marks in the claims should not be regarded as limiting the claims involved.
[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A harmonic testing tool, comprising a panel (1), characterized in that: The outer side of the panel (1) is embedded with a display (2) and a controller button (3); the outer side of the panel (1) is penetrated by a first rectangular hole (4); the side of the panel (1) away from the display (2) is connected to a protective shell (5); the inner cavity of the protective shell (5) is provided with a test board (6); the upper side of the test board (6) is provided with an input port (7) matching the first rectangular hole (4); the other end of the input port (7) is connected to an input switch (8); the other end of the input switch (8) is connected to a signal amplifier (9); the other end of the signal amplifier (9) is connected to an output switch (10); the other end of the output switch (10) is connected to an output port (11); the test board (6) is connected to an input port (7) matching the first rectangular hole (4); the input port (7) is connected to an input switch (8); the other end of the input switch (8) is connected to a signal amplifier (9); the other end of the signal amplifier (9) is connected to an output switch (10); the other end of the output switch (10) is connected to an output port (11); The lower side of the test plate (6) is connected to a metal conductive sheet (12) and a support (13); the outer side of the protective shell (5) is provided with a through connection hole (17); the outer side of the protective shell (5) is connected to a guide rail (14); the outer side of the protective shell (5) is sleeved with an outer shell (15); the inner wall of the outer shell (15) is provided with a guide groove (16) matching the guide rail (14); the outer side of the outer shell (15) is provided with a through hole (18) matching the connection hole (17); the outer side of the outer shell (15) is provided with a second rectangular hole (24); a heat dissipation fan (21) is installed in the inner cavity of the second rectangular hole (24); the outer side of the outer shell (15) is connected to a fan cover (22) matching the heat dissipation fan (21).
2. A harmonic testing tool according to claim 1, characterized in that: Corner guards (26) are connected to the upper sides of both ends of the outer side of the shell (15), and the corner guards (26) are bonded and fixed to the shell (15).
3. A harmonic testing tool according to claim 1, characterized in that: The outer side of the panel (1) is connected with a bolt (20), and the other end of the bolt (20) passes through the panel (1) and is fixedly connected to the protective shell (5).
4. A harmonic testing tool according to claim 1, characterized in that: The outer side of the panel (1) is connected to a working indicator light (23), and the working indicator light (23) is electrically connected to the display (2), the controller button (3), the input port (7), the input switch (8), the signal amplifier (9), the output switch (10), the output port (11), and the cooling fan (21).
5. A harmonic testing tool according to claim 1, characterized in that: The upper side of the housing (15) is connected to a handle (27), the outer wall of the handle is sleeved with a rubber sheet (28), and the rubber sheet (28) is bonded and fixed to the handle (27).