Multi-range fast switching device of tachometer

Abstract

The utility model belongs to the technical field of electric power and electricity, and particularly relates to a tachometer multi-range fast switching device which comprises a cabinet body, a fixing column is fixedly connected to the left side of the inner bottom wall of the cabinet body, a motor is installed on the top of the fixing column, a crank is fixedly connected to the output end of the motor, a fixing block is installed on the outer side of the crank, and a rotating shaft is installed on the fixing block. The cranks are rotationally connected to the inner sides of the fixing blocks, and the upper sides and the lower sides of the fixing blocks are fixedly connected with supporting rods. According to the utility model, the crank drives the mounting block to rotate so as to drive the fan at the tail end of the mounting block to rotate, and the fan can stably rotate in multiple directions, so that air is blown to the interior of the cabinet body at different angles, the heating plate is started to generate heat, the fan blows air, and the temperature of the air passing through the heating plate is rapidly increased; and the fan continuously rotates to blow hot air to the electronic components, so that uniform coverage of heat is ensured, the temperature in the cabinet body is increased, and moisture in the cabinet body is dried.

Description

Technical Field

[0001] This utility model belongs to the field of power and electrical technology, and in particular relates to a multi-range rapid switching device for tachometers. Background Technology

[0002] The multiple ranges of a tachometer are designed to adapt to the measurement needs of different speed ranges, ensuring the accuracy and reliability of the measurement. Using the range that matches the speed range allows the measuring instrument to operate at its optimal precision.

[0003] A multi-range rapid switching device for tachometers is a device used in speed measurement equipment. It is designed to enable rapid and convenient switching between different measurement ranges to adapt to various speed measurement scenarios. It can complete the range switching in a short time, usually within milliseconds or even less, thereby achieving a rapid response to changes in speed.

[0004] In existing technologies, this device is based on electronic circuits and sensor technology. The device typically contains multiple measurement circuits or sensors with different ranges. Different measurement channels are switched through components such as electronic switches or relays. For example, when the input speed signal is detected to be outside the current range, the device will automatically trigger a switching mechanism to switch the measurement circuit to the range suitable for that speed to ensure accurate measurement. However, due to the limitations of the response speed of the electronic switch and the signal processing time, it cannot meet the real-time measurement requirements of extremely high speed changes. Optimizing the drive circuit of the electronic switch to improve its switching speed and using high-speed signal processing chips and advanced algorithms can reduce the signal processing time. However, in high-humidity environments, the moisture in the air can damage the electronic components. Utility Model Content

[0005] The purpose of this invention is to provide a multi-range rapid switching device for tachometers, which aims to improve the problem in the prior art that moisture in the air can damage electronic components in high-humidity environments.

[0006] To achieve the above objectives, the present invention provides a multi-range rapid switching device for a tachometer, comprising a cabinet. A fixed column is fixedly connected to the left side of the inner bottom wall of the cabinet. A motor is installed on the top of the fixed column. A crank is fixedly connected to the output end of the motor. A fixed block is installed on the outer side of the crank. The crank is rotatably connected to the inner side of the fixed block. Support rods are fixedly connected to the upper and lower sides of the fixed block. A rotating shaft is rotatably connected to the inner side of the support rod. A fixed frame is installed at the end of the rotating shaft. A rotating shaft is rotatably connected to the right end of the crank. A mounting block is rotatably connected to the end of the rotating shaft. A fan is installed at the end of the mounting block. A rotating shaft is rotatably connected to the front and rear sides of the outer wall of the mounting block. The rotating shaft is rotatably connected to the inner side of the fixed frame. A heating plate is provided on the right side of the fixed column. The heating plate is installed on the left side of the inner wall of the cabinet. An outer frame is fixedly connected to the right side of the inner wall of the cabinet. A top plate is fixedly connected to the top of the cabinet. Buffer mechanisms are installed at the upper and lower ends of the outer wall of the outer frame. The buffer mechanisms are used to reduce the impact of vibration and impact on the internal equipment of the outer frame.

[0007] Optionally,

[0008] The buffer mechanism includes a first fixing plate, which is installed on the upper and lower ends of the outer wall of the outer frame. Multiple connecting pieces are fixedly connected to the four corners of the top wall of the first fixing plate. A connecting plate is rotatably connected to the inner side of the connecting piece, and bolts are rotatably connected to the inner side of the multiple connecting plates. A second fixing plate is rotatably connected to the top of the connecting plate. A second connecting piece is fixedly connected to the top left side of the first fixing plate. A telescopic rod is rotatably connected to the inner side of the second connecting piece. A connecting rod is rotatably connected to the end of the telescopic rod, and the connecting rod is rotatably connected to the connecting plate.

[0009] Optionally,

[0010] Two hinges are installed on the left and right sides of the front side of the outer wall of the cabinet, and a door panel is fixedly connected to the rear side of each of the hinges.

[0011] Optionally,

[0012] The door panel has handles fixedly connected to the left and right ends of the front side of the outer wall, and anti-slip sleeves are rotatably connected to the outer sides of the two handles.

[0013] Optionally,

[0014] The bottom of the cabinet is fixedly connected to a base plate, and the four corners of the bottom of the base plate are all fixedly connected to a base.

[0015] Optionally,

[0016] Clamping blocks are installed at equal intervals in the middle of the bottom wall of the top plate, and lighting lamps are installed on the inner side of the clamping blocks.

[0017] Optionally,

[0018] A controller is installed on the right side of the inner wall of the outer frame, and a display screen is installed on the front side of the controller.

[0019] Optionally,

[0020] A voltage transformer is installed on the left side of the controller, and a circuit breaker is installed on the left side of the voltage transformer.

[0021] The above-mentioned technical solutions in the multi-range rapid switching device for tachometers provided in this embodiment of the utility model have at least one of the following technical effects:

[0022] 1. In this utility model, the motor rotates to drive the crank, which in turn drives the mounting block to rotate, thereby driving the fan at the end of the mounting block to rotate. The fan can rotate stably in multiple directions, thus achieving airflow into the cabinet from different angles. The heating plate generates heat when it is activated, and the fan blows air. The air temperature rises rapidly as it passes through the heating plate. The fan continues to rotate, blowing hot air onto the electronic components to ensure uniform heat coverage, thereby increasing the temperature inside the cabinet, drying the moisture inside the cabinet, and preventing high humidity from damaging the components and affecting the performance of the equipment.

[0023] 2. In this utility model, when vibration occurs, the force generated by the vibration is transmitted to the first fixed plate and the second fixed plate. The connecting plates at the bottom of the first fixed plate and the second fixed plate will contract inward, thereby compressing the telescopic rod. Due to its elasticity, the telescopic rod will quickly rebound, thereby reducing the vibration amplitude of the outer frame. The telescopic rod has good elasticity and shock absorption performance, and can effectively buffer the vibration of the cabinet. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 A perspective view of the multi-range rapid switching device for the tachometer proposed in this utility model;

[0026] Figure 2 This is a front view of the multi-range rapid switching device for tachometers proposed in this utility model;

[0027] Figure 3 This is a schematic diagram of the internal structure of the multi-range rapid switching device for the tachometer proposed in this utility model.

[0028] Figure 4 This is a partial structural schematic diagram of the tachometer multi-range rapid switching device proposed in this utility model;

[0029] Figure 5 This is a schematic diagram of the buffer mechanism of the multi-range rapid switching device for tachometers proposed in this utility model.

[0030] The following are the labeling elements in the figure:

[0031] 1. Cabinet; 2. Buffer mechanism; 201. Fixing plate one; 202. Connecting piece one; 203. Connecting plate; 204. Bolt; 205. Telescopic rod; 206. Connecting piece two; 207. Connecting rod; 208. Fixing plate two; 3. Top plate; 4. Bottom plate; 5. Anti-slip sleeve; 6. Handle; 7. Base; 8. Door panel; 9. Hinge; 10. Fixing column; 11. Motor; 12. Heating plate; 13. Outer frame; 14. Controller; 15. Display screen; 16. Voltage transformer; 17. Circuit breaker; 18. Support rod; 19. Shaft one; 20. Crank; 21. Shaft two; 22. Mounting block; 23. Fixing frame; 24. Fan; 25. Fixing block; 26. Lighting light; 27. Clamping block. Detailed Implementation

[0032] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0033] In the description of the embodiments of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0034] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0035] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0036] In one embodiment of this utility model, such as Figure 1 , Figure 3 and Figure 4 As shown, the multi-range rapid switching device for the tachometer includes a cabinet 1. A fixed column 10 is fixedly connected to the left side of the inner bottom wall of the cabinet 1. A motor 11 is installed on the top of the fixed column 10. A crank 20 is fixedly connected to the output end of the motor 11. A fixed block 25 is installed on the outer side of the crank 20. The crank 20 is rotatably connected to the inner side of the fixed block 25. Support rods 18 are fixedly connected to both the upper and lower sides of the fixed block 25. A rotating shaft 19 is rotatably connected to the inner side of the support rods 18. The end of the rotating shaft 19 is equipped with... A fixed frame 23 is provided. A second rotating shaft 21 is rotatably connected to the right end of the crank 20. A mounting block 22 is rotatably connected to the end of the second rotating shaft 21. A fan 24 is mounted on the end of the mounting block 22. A first rotating shaft 19 is rotatably connected to both the front and rear sides of the outer wall of the mounting block 22. The first rotating shaft 19 is rotatably connected to the inner side of the fixed frame 23. A heating plate 12 is provided on the right side of the fixed column 10. The heating plate 12 is installed on the left side of the inner wall of the cabinet 1. The motor 11 rotates to drive the crank 20, and the crank 20 drives the mounting block 22. The rotation drives the fan 24 at the end of the mounting block 22 to rotate. The fan 24 can rotate stably in multiple directions, thereby blowing air into the cabinet 1 from different angles. The heating plate 12 is activated to generate heat. The fan 24 blows air, and the temperature of the air rises rapidly as it passes through the heating plate 12. The fan 24 continues to rotate, blowing hot air onto the electronic components to ensure uniform heat coverage, thereby increasing the temperature inside the cabinet 1, drying the moisture inside the cabinet 1, and preventing high humidity environment from damaging the components and affecting the performance of the equipment. The outer frame 13 is fixedly connected to the right side of the inner wall of the cabinet 1, and the top plate 3 is fixedly connected to the top of the cabinet 1. The upper and lower ends of the outer wall of the outer frame 13 are equipped with buffer mechanisms 2. The buffer mechanisms 2 are used to reduce the impact of vibration and impact on the equipment inside the outer frame 13. Two hinges 9 are installed on the left and right ends of the front side of the outer wall of the cabinet 1. The rear side of the multiple hinges 9 is fixedly connected to the door panel 8. The left and right ends of the front side of the outer wall of the door panel 8 are fixedly connected to the handles 6. The outer sides of the two handles 6 are rotatably connected to the anti-slip sleeves 5.

[0037] Specifically, the motor 11 rotates to drive the crank 20, which in turn drives the mounting block 22 to rotate, thereby driving the fan 24 at the end of the mounting block 22 to rotate. The fan 24 can rotate stably in multiple directions, thus blowing air into the cabinet 1 at different angles. The heating plate 12 is activated to generate heat. The fan 24 blows air, and the temperature of the air rises rapidly as it passes through the heating plate 12. The fan 24 continues to rotate, blowing hot air onto the electronic components to ensure uniform heat coverage, thereby increasing the temperature inside the cabinet 1, drying the moisture inside the cabinet 1, and preventing high humidity from damaging the components and affecting the performance of the equipment.

[0038] In one embodiment of this utility model, such as Figure 2 , Figure 3 and Figure 5 As shown, the buffer mechanism 2 includes a fixing plate 201, which is installed on the upper and lower ends of the outer wall of the outer frame 13. Multiple connecting plates 202 are fixedly connected to the four corners of the top wall of the fixing plate 201. A connecting plate 203 is rotatably connected to the inner side of the connecting plate 202. Bolts 204 are rotatably connected to the inner sides of the multiple connecting plates 203. A fixing plate 208 is rotatably connected to the top of the connecting plate 203. A connecting plate 206 is fixedly connected to the top left side of the fixing plate 201. A telescopic rod 205 is rotatably connected to the inner side of the connecting plate 206. A connecting rod 207 is rotatably connected to the end of the telescopic rod 205. The connecting rod 207 is connected to the connecting plate 208. 3. When the rotating connection generates vibration, the force generated by the vibration is transmitted to the first fixed plate 201 and the second fixed plate 208. The connecting plate 203 at the bottom of the first fixed plate 201 and the second fixed plate 208 will retract inward, thereby compressing the telescopic rod 205. The telescopic rod 205 will rebound quickly due to its elasticity, thereby reducing the vibration amplitude of the outer frame 13. The telescopic rod 205 has good elasticity and shock absorption performance, which can effectively buffer the vibration of the cabinet 1 and the outer frame 13. The bottom of the cabinet 1 is fixedly connected to the bottom plate 4. The bottom corners of the bottom plate 4 are all fixedly connected to the base 7. The bottom wall of the top plate 3 is equidistantly installed with clamping blocks 27. The inner side of the clamping blocks 27 is installed with a lighting lamp 26.

[0039] Specifically, when vibration occurs, the force generated by the vibration is transmitted to the first fixed plate 201 and the second fixed plate 208. The connecting plate 203 at the bottom of the first fixed plate 201 and the second fixed plate 208 will retract inward, thereby compressing the telescopic rod 205. Due to its elasticity, the telescopic rod 205 will quickly rebound, thereby reducing the vibration amplitude of the outer frame 13. The telescopic rod 205 has good elasticity and shock absorption performance, and can effectively buffer the vibration of the cabinet 1 and the outer frame 13.

[0040] In one embodiment of this utility model, such as Figure 1 , Figure 2 and Figure 3As shown, a controller 14 is installed on the right side of the inner wall of the outer frame 13, a display screen 15 is installed on the front side of the controller 14, a voltage transformer 16 is installed on the left side of the controller 14, and a circuit breaker 17 is installed on the left side of the voltage transformer 16.

[0041] Specifically, the controller 14 determines whether to switch the power supply and select the appropriate switching method based on the preset switching strategy and criteria. The controller 14 is also responsible for communicating with other devices to realize remote monitoring and management functions. When an abnormality is detected in the power supply or the device, the circuit breaker 17 will act quickly to cut off the relevant circuits, prevent the fault from spreading, and protect the device itself and the safety of the connected equipment.

[0042] Working principle: The rotation of motor 11 drives crank 20, which in turn drives mounting block 22 to rotate, thereby driving fan 24 at the end of mounting block 22 to rotate. Fan 24 can rotate stably in multiple directions, thus blowing air into the interior of cabinet 1 at different angles. Heating plate 12 is activated to generate heat. Fan 24 blows air, and the temperature of the air rises rapidly as it passes through heating plate 12. Fan 24 continues to rotate, blowing hot air onto electronic components to ensure uniform heat coverage, thereby increasing the temperature inside cabinet 1, drying the moisture inside cabinet 1, and preventing high humidity environment from damaging components and affecting equipment performance.

[0043] When vibration occurs, the force generated by the vibration is transmitted to the first fixed plate 201 and the second fixed plate 208. The connecting plate 203 at the bottom of the first fixed plate 201 and the second fixed plate 208 will retract inward, thereby compressing the telescopic rod 205. Due to its elasticity, the telescopic rod 205 will quickly rebound, thereby reducing the vibration amplitude of the outer frame 13. The telescopic rod 205 has good elasticity and shock absorption performance, and can effectively buffer the vibration of the cabinet 1 and the outer frame 13.

[0044] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A multi-range rapid switching device for a tachometer, comprising a cabinet (1), characterized in that: A fixed column (10) is fixedly connected to the left side of the inner bottom wall of the cabinet (1). A motor (11) is installed on the top of the fixed column (10). A crank (20) is fixedly connected to the output end of the motor (11). A fixed block (25) is installed on the outside of the crank (20). The crank (20) is rotatably connected to the inside of the fixed block (25). Support rods (18) are fixedly connected to the upper and lower sides of the fixed block (25). A rotating shaft (19) is rotatably connected to the inside of the support rod (18). A fixed frame (23) is installed at the end of the rotating shaft (19). A rotating shaft (21) is rotatably connected to the right end of the crank (20). A rotating shaft (21) is rotatably connected to the end of the rotating shaft (21). Mounting block (22), with a fan (24) installed at the end of the mounting block (22), and a rotating shaft (19) rotatably connected to the front and rear sides of the outer wall of the mounting block (22). The rotating shaft (19) is rotatably connected to the inner side of the fixed frame (23). A heating plate (12) is provided on the right side of the fixed column (10). The heating plate (12) is installed on the left side of the inner wall of the cabinet (1). An outer frame (13) is fixedly connected to the right side of the inner wall of the cabinet (1). A top plate (3) is fixedly connected to the top of the cabinet (1). A buffer mechanism (2) is installed at the upper and lower ends of the outer wall of the outer frame (13). The buffer mechanism (2) is used to reduce the impact of vibration and impact on the internal equipment of the outer frame (13).

2. The tachometer multi-range rapid switching device according to claim 1, characterized in that: The buffer mechanism (2) includes a fixing plate (201), which is installed on the upper and lower ends of the outer wall of the outer frame (13). Multiple connecting pieces (202) are fixedly connected to the four corners of the top wall of the fixing plate (201). A connecting plate (203) is rotatably connected to the inner side of the connecting piece (202). Bolts (204) are rotatably connected to the inner side of the multiple connecting plates (203). A fixing plate (208) is rotatably connected to the top of the connecting plate (203). A connecting piece (206) is fixedly connected to the top left side of the fixing plate (201). A telescopic rod (205) is rotatably connected to the inner side of the connecting piece (206). A connecting rod (207) is rotatably connected to the end of the telescopic rod (205). The connecting rod (207) is rotatably connected to the connecting plate (203).

3. The tachometer multi-range rapid switching device according to claim 1, characterized in that: Two hinges (9) are installed on the left and right ends of the front side of the outer wall of the cabinet (1), and door panels (8) are fixedly connected to the rear side of the multiple hinges (9).

4. The tachometer multi-range rapid switching device according to claim 3, characterized in that: The door panel (8) is fixedly connected to the left and right ends of the front side of the outer wall, and the two handles (6) are rotatably connected to the outer sides of the handles (6).

5. The tachometer multi-range rapid switching device according to claim 1, characterized in that: The bottom of the cabinet (1) is fixedly connected to a base plate (4), and the four corners of the bottom of the base plate (4) are all fixedly connected to a base (7).

6. The tachometer multi-range rapid switching device according to claim 1, characterized in that: Clamping blocks (27) are installed at equal intervals in the middle of the bottom wall of the top plate (3), and lighting lamps (26) are installed on the inner side of the clamping blocks (27).

7. The tachometer multi-range rapid switching device according to claim 1, characterized in that: A controller (14) is installed on the right side of the inner wall of the outer frame (13), and a display screen (15) is installed on the front side of the controller (14).

8. The tachometer multi-range rapid switching device according to claim 7, characterized in that: A voltage transformer (16) is installed on the left side of the controller (14), and a circuit breaker (17) is installed on the left side of the voltage transformer (16).

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