An encoder rotational speed analog device

Abstract

The utility model discloses a kind of encoder rotating speed simulation devices, it is related to encoder rotating speed simulation technical field, and it includes: simulation platform;The simulation platform includes: shell, the shell top is equipped with the receiving space for inserting encoder;Clamping device, it is installed in the inside of shell, and extend to the inside of receiving space for clamping encoder;Driving device, it is installed in the inside of shell;Speed regulation device, it is installed in the inside of shell, and with the output shaft of driving device connection;Sleeve structure, it is installed in the inside of shell, and extend in the inside of receiving space on the outside of the output shaft of encoder, the sleeve structure is driven connection by speed regulation device with driving device;The utility model can simulate high, low speed shaft rotating speed signal by the setting of speed regulation device, realize the quick switching of high-low speed working condition, satisfy different rotating speed test demand, to make fan realize overspeed signal test under static.

Description

Technical Field

[0001] This utility model relates to the field of encoder speed simulation technology, and in particular to an encoder speed simulation device. Background Technology

[0002] As a core component of the renewable energy sector, wind power generation has seen continuous and rapid growth in installed capacity and operational scale. Wind turbines, as the core equipment of wind power systems, operate under complex outdoor conditions for extended periods, enduring the influence of multiple environmental factors such as strong winds, temperature differences, dust storms, and vibrations. The reliability of their key systems (such as safety chains, transmission chains, and monitoring sensors) directly determines the safe operation and power generation efficiency of the turbines.

[0003] Testing of key wind turbine systems mainly relies on two methods: one is online monitoring during grid-connected operation; the other is offline testing after the unit is shut down.

[0004] Traditional offline testing methods struggle to accurately simulate the actual rotational speeds of wind turbine shafts in core testing stages (such as overspeed signal testing and encoder speed simulation testing), and they cannot adapt to the diameter specifications of different encoder models. This leads to problems such as encoder offset and slippage during testing, making it difficult to guarantee the accuracy and reliability of test results. Utility Model Content

[0005] This invention provides an encoder speed simulation device to solve the problem in the prior art that it cannot accurately simulate the actual speed conditions of the high and low speed shafts of wind turbines and cannot be adapted to the diameter specifications of different encoder models.

[0006] The technical problem solved by this utility model is achieved by the following technical solution:

[0007] An encoder speed simulation device, comprising:

[0008] Simulation platform;

[0009] The simulation platform includes:

[0010] The housing has a storage space at the top for inserting the encoder;

[0011] A clamping device, which is installed inside the housing and extends into the storage space for clamping the encoder;

[0012] The drive unit is installed inside the housing;

[0013] The speed regulating device is installed inside the housing and connected to the output shaft of the drive unit;

[0014] A sleeve structure is installed inside the housing and extends upward into the storage space, fitting around the outside of the encoder's output shaft. The sleeve structure is connected to the drive device via a speed regulating device.

[0015] Optionally, the speed regulating device includes:

[0016] Acceleration components, which are connected to the drive unit and the sleeve structure;

[0017] A speed reduction assembly, which is connected to the drive unit and the sleeve structure;

[0018] Two electromagnetic clutches are provided and installed on the output shaft of the drive unit. The two electromagnetic clutches are respectively connected to the acceleration component and the deceleration component.

[0019] Optionally, both the acceleration component and the deceleration component consist of two gears of different sizes, which are connected by a transmission and are respectively installed on the output shaft of the drive device and the outside of the sleeve structure.

[0020] Optionally, the clamping device includes:

[0021] The control components are mounted inside the housing and extend to the top of the housing;

[0022] An iris recognition component, which is installed inside the housing and connected to the control components;

[0023] A clamping block, which is mounted on the iris assembly and extends into the storage space, is used to clamp the encoder.

[0024] Optionally, the iris assembly includes:

[0025] The turntable is coaxially sleeved on the outside of the sleeve structure;

[0026] The curved slides are arranged in a circular array, with multiple slides running vertically through the turntable.

[0027] Positioning plates, of which multiple are provided, are installed inside the housing;

[0028] The horizontal slide is formed by opening it vertically on the positioning plate.

[0029] Optionally, the inner top wall of the housing is equipped with a limiting frame that is coaxially arranged with the turntable and restricts the height of the turntable.

[0030] Optionally, the control component includes:

[0031] The drive gear is housed within the housing.

[0032] The driven gear is fixed to the outside of the turntable and meshes with the driving gear;

[0033] The on / off switch is fixed coaxially with the drive gear and located above the housing.

[0034] Optionally, a sliding post passing through the arc-shaped slide and the horizontal slide is fixedly installed at the bottom of the clamping block, and the inner end of the clamping block is provided with grooves to increase friction.

[0035] Optionally, a base may be detachably mounted on the bottom of the housing.

[0036] Optionally, it also includes: a diagnostic instrument that communicates with the simulation platform.

[0037] The diagnostic instrument contains a power battery and a motherboard, with the motherboard located above the power battery.

[0038] The beneficial effects of this utility model are:

[0039] By setting the speed control device, high and low speed shaft speed signals can be simulated, enabling rapid switching between high and low speed operating conditions, meeting different speed test requirements, and thus enabling the fan to achieve overspeed signal testing under static conditions.

[0040] The clamping device can stably clamp encoders of different diameters and maintain uniform clamping force, thus preventing the encoder from shifting or slipping during simulation. Attached Figure Description

[0041] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, 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 from these drawings without creative effort.

[0042] Figure 1 This is a schematic diagram of the simulation platform structure of this utility model;

[0043] Figure 2 This is a schematic diagram of the speed regulating device of this utility model;

[0044] Figure 3 This is a schematic diagram of the speed regulating device of this utility model;

[0045] Figure 4 This is a schematic diagram of the iris module structure of this utility model;

[0046] Figure 5 This is a schematic diagram of the clamping block structure of this utility model;

[0047] Figure 6 This is a schematic diagram of the structure of the diagnostic instrument of this utility model;

[0048] Figure 7 This is a schematic diagram of the internal structure of the diagnostic instrument of this utility model.

[0049] In the diagram: 100, diagnostic instrument; 110, power supply battery; 120, motherboard;

[0050] 200. Simulation platform; 210. Housing; 211. Storage space; 212. Base; 220. Clamping device; 221. Control component; 2211. Driving gear; 2212. Driven gear; 2213. Switch; 222. Limiting frame; 223. Iris component; 2231. Turntable; 2232. Arc-shaped slide; 2233. Positioning plate; 2234. Horizontal slide; 224. Clamping block; 230. Drive device; 240. Speed ​​regulating device; 2241. Sliding column; 2242. Scratches; 241. Acceleration component; 242. Deceleration component; 243. Electromagnetic clutch; 250. Sleeve structure. Detailed Implementation

[0051] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below with reference to specific illustrations.

[0052] Reference Figure 1-7 An encoder speed simulation device is shown, comprising:

[0053] Diagnostic instrument 100, and analog platform 200 that is communicatively connected to diagnostic instrument 100;

[0054] Simulation platform 200 includes:

[0055] The housing 210 has a storage space 211 on its top for inserting an encoder, and the storage space 211 is cylindrical.

[0056] The clamping device 220 is installed inside the housing 210 and extends into the storage space 211 for clamping the encoder, for clamping encoder bodies of different sizes;

[0057] In this utility model, the clamping device 220 can be implemented by adopting several existing structures; for example, by using a telescopic rod, the encoder is clamped and fixed by extending the telescopic rod, and the clamping of the encoder is released by retracting the telescopic rod.

[0058] Similarly, the clamping device 220 can also adopt the rotary clamping structure described below. The clamping block is moved to the inward or outward end by rotating the two different slots. When the clamping block moves to the inward end, it clamps the encoder, and when the clamping block moves to the outward end, it releases the clamping of the encoder.

[0059] As can be seen from the above, the clamping device 220 can be implemented using several existing technologies, which will not be elaborated here;

[0060] The drive device 230 is installed inside the housing 210. In this embodiment, the drive device 230 can be implemented using various existing technologies such as an electric motor or a motor.

[0061] Speed ​​regulating device 240, which is installed inside housing 210 and connected to the output shaft of drive device 230, is used to adjust the output transmission ratio of rotary drive device 230 to speed up or slow down the analog speed of encoder.

[0062] In this utility model, the speed regulating device 240 can adopt several existing structures to adjust the speed; for example, it can use a continuously variable transmission structure to adjust the transmission ratio of the drive device 230 through the continuously variable transmission.

[0063] Similarly, the speed regulating device 240 can also use the gear transmission described below, which is transmitted through two gears of different sizes. When the small gear drives the large gear, the speed decreases, and when the large gear drives the small gear, the speed increases.

[0064] As can be seen from the above, the speed regulating device 240 can be implemented using several existing technologies, which will not be elaborated here;

[0065] The sleeve structure 250 is rotatably mounted inside the housing 210 and extends upward inside the storage space 211, fitting around the outside of the encoder's output shaft. The sleeve structure 250 is connected to the drive device 230 via the speed regulating device 240, and can be adapted to encoder output shafts of different diameters to ensure stable transmission.

[0066] The speed control device 240 can simulate high and low speed shaft speed signals, enabling rapid switching between high and low speed operating conditions, meeting different speed test requirements, and thus enabling the fan to perform overspeed signal testing under static conditions.

[0067] The clamping device 220 can stably clamp encoders of different diameters and maintain uniform clamping force, thus preventing the encoder from shifting or slipping during simulation.

[0068] The working principle of this embodiment is as follows:

[0069] In use, the encoder is inserted into the storage space 211 and the output shaft of the encoder is inserted into the sleeve structure 250. Then, the clamping device 220 is driven to clamp and fix the encoder. Then, the speed regulating device 240 is adjusted according to the simulation conditions to change the transmission ratio between the drive device 230 and the sleeve structure 250. Then, the drive device 230 is started so that the drive device 230 drives the sleeve structure 250 to rotate through the speed regulating device 240 to simulate the speed of the encoder.

[0070] In some embodiments of this utility model, reference is made to Figure 2 As shown, the speed regulating device 240 includes:

[0071] Acceleration component 241, which is connected to drive device 230 and sleeve structure 250, is used to accelerate the rotational speed of sleeve structure 250;

[0072] The deceleration assembly 242 is connected to the drive device 230 and the sleeve structure 250 to reduce the rotational speed of the sleeve structure 250. The acceleration assembly 241 and the deceleration assembly 242 cannot be driven at the same time to avoid damage.

[0073] Two electromagnetic clutches 243 are provided and detachably mounted on the output shaft of the drive unit 230. The two electromagnetic clutches 243 are respectively connected to the acceleration component 241 and the deceleration component 242. The selection of the acceleration component 241 and the deceleration component 242 is realized by opening and closing the electromagnetic clutches 243. The acceleration component 241 or the deceleration component 242 can be selected according to different needs.

[0074] Both electromagnetic clutches 243 are composed of high-quality electromagnet cores and friction plates. When energized, they generate a strong electromagnetic force that tightly binds the friction plates, thereby transmitting the power of the drive unit 230 to the acceleration component 241 or the deceleration component 242 respectively.

[0075] In some embodiments of this utility model, reference is made to Figure 3 and Figure 4 As shown, both the acceleration component 241 and the deceleration component 242 consist of two gears of different sizes, which are connected by a transmission and are respectively installed on the output shaft of the drive device 230 and the outside of the sleeve structure 250. The two gears drive each other through meshing.

[0076] When the output shaft of the drive device 230 rotates, the small gear drives the large gear to rotate at a lower speed, achieving a deceleration effect; conversely, the large gear drives the small gear to rotate at a higher speed, achieving a speed increase effect.

[0077] The working principle of this embodiment is as follows:

[0078] Start the drive device 230. The drive device 230 drives the large gear (or small gear) to rotate through the small gear (or large gear), which in turn drives the sleeve structure 250 to rotate. The different transmission ratios are used to accelerate or decelerate the sleeve structure 250.

[0079] In some embodiments of this utility model, reference is made to Figure 3 and Figure 4 As shown, the clamping device 220 includes:

[0080] The control component 221 is installed inside the housing 210 and extends above the housing 210. In this embodiment, the control component 221 can be implemented using a variety of existing technologies such as a precision microprocessor, sensor module, or gear control and key.

[0081] The iris component 223 is installed inside the housing 210 and connected to the control component 221, and rotates precisely according to the instructions of the control component 221.

[0082] The clamping block 224 is mounted on the iris assembly 223 and extends into the storage space 211 for clamping the encoder. The clamping block 224 moves inward or outward under the drive of the iris assembly 223, thereby clamping or releasing the encoder.

[0083] In some embodiments of this utility model, reference is made to Figure 3 and Figure 4 As shown, the iris component 223 includes:

[0084] The turntable 2231 is coaxially sleeved on the outside of the sleeve structure 250, and there is a gap between it and the drive sleeve structure 250 to avoid rotational interference between the two.

[0085] The arc-shaped slide 2232 is arranged in a circular array of multiple slides and is opened vertically through the turntable 2231. The width of the arc-shaped slide 2232 is adapted to the extension structure of the clamping block 224.

[0086] Positioning plates 2233 are bolted to the inner top wall of housing 210, and multiple plates are provided, the number of which is the same as that of arc-shaped slide rails 2232;

[0087] The horizontal slide 2234 is vertically connected on the positioning plate 2233. Its width is the same as that of the arc-shaped slide 2232, and the extension lines of the horizontal slide 2234 all point to the center of the turntable 2231.

[0088] The working principle of this embodiment is as follows:

[0089] Rotate turntable 2231 to make turntable 2231 rotate relative to positioning plate 2233. During rotation, the overlapping part of arc-shaped slide 2232 and horizontal slide 2234 changes, and pushes clamping block 224 to move inward or outward.

[0090] In some embodiments of this utility model, reference is made to Figure 3 and Figure 4 As shown, a limiting frame 222 is installed on the inner top wall of the housing 210, which is coaxially arranged with the turntable 2231 and limits the height of the turntable 2231.

[0091] The limiting frame 222 is divided into upper and lower parts and fixed with bolts. It is located on the upper and lower surfaces of the turntable 2231, respectively, to ensure that the turntable 2231 can rotate smoothly inside it without significant axial displacement. This allows for precise control of the working height range of the turntable 2231, ensuring the stability and safety of the equipment operation.

[0092] In some embodiments of this utility model, reference is made to Figure 3 and Figure 4 As shown, the control component 221 includes:

[0093] The drive gear 2211 is disposed inside the housing 210 and is rotatably mounted inside the housing 210 via a main shaft.

[0094] Driven gear 2212 is fixed on the outside of turntable 2231 and meshes with driving gear 2211. The cooperation between driving gear 2211 and driven gear 2212 realizes transmission, enabling turntable 2231 to rotate normally.

[0095] The switch 2213 is coaxially fixed with the drive gear 2211 and located above the housing 210. The rotation of the switch 2213 drives the drive gear 2211 to rotate. The switch 2213 is marked with a font to distinguish the rotation direction of the encoder clamping or releasing.

[0096] In some embodiments of this utility model, reference is made to Figure 5 As shown, a sliding post 2241 is fixedly installed at the bottom of the clamping block 224, passing through the arc-shaped slide 2232 and the horizontal slide 2234. The sliding post 2241 has a smooth surface and a cylindrical structure, which can slide smoothly in the curved section of the arc-shaped slide 2232 and the straight section of the horizontal slide 2234, ensuring that the clamping block 224 maintains a stable trajectory during movement. The inner end of the clamping block 224 is provided with grooves 2242 to increase friction, which can effectively increase the contact area and friction with the encoder surface, and prevent slippage when pressure is applied or displacement operation is performed.

[0097] In some embodiments of this utility model, reference is made to Figure 4 As shown, the bottom of the housing 210 is detachably mounted with a base 212 by bolts. The removal of the base 212 facilitates the installation, disassembly and maintenance of the internal structure of the housing 210.

[0098] In some embodiments of this utility model, reference is made to Figure 6 and Figure 7 As shown, the diagnostic instrument 100 has a power battery 110 and a motherboard 120 installed inside. The motherboard 120 is located above the power battery 110, forming the core component structure inside the diagnostic instrument.

[0099] The power battery 110 adopts a compact lithium battery design with an anti-static protective film covering its surface to ensure stable power transmission.

[0100] The working method of this utility model:

[0101] The operator inserts the encoder to be tested into the storage space 211 and rotates the switch 2213. The driving gear 2211 drives the driven gear 2212 to rotate, thereby causing the turntable 2231 to rotate. The arc-shaped slide rail 2232 on the turntable 2231 pushes the sliding column 2241 to move radially inward along the horizontal slide rail 2234 of the positioning plate 2233. Multiple clamping blocks 224 retract synchronously, making tight contact with the outer wall of the encoder through the grooves 2242, thus completing the clamping and fixing. Subsequently, the target speed is set through the operation buttons of the diagnostic instrument 100. The diagnostic instrument 100 sends a command to the simulation platform 200, the corresponding electromagnetic clutch 243 engages, the servo motor starts, and the power is transmitted to the drive sleeve structure 250 through the acceleration component 241 or the reduction component 242, driving the encoder output shaft to rotate. The speed signal output by the encoder is transmitted to the main board 120 of the diagnostic instrument 100 through the communication module. After the microprocessor processes the signal, the detection results such as speed accuracy are displayed on the display screen, completing the detection process. After the test is completed, rotate the switch 2213 in the opposite direction. The clamping block 224 moves radially outward, releasing the encoder and allowing it to be removed.

[0102] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An encoder rotational speed analog device, characterized by, include: Simulation platform (200); The simulation platform (200) includes: The housing (210) has a storage space (211) on its top for inserting an encoder. A clamping device (220) is installed inside the housing (210) and extends into the storage space (211) for clamping the encoder; A drive unit (230) is installed inside the housing (210); Speed ​​regulating device (240) is installed inside housing (210) and connected to the output shaft of drive device (230); A sleeve structure (250) is installed inside the housing (210) and extends upward inside the storage space (211) and fits on the outside of the encoder output shaft. The sleeve structure (250) is connected to the drive device (230) via a speed regulating device (240).

2. The encoder speed simulation device according to claim 1, characterized in that: The speed regulating device (240) includes: Acceleration assembly (241), which is connected to drive unit (230) and sleeve structure (250); A reduction gear assembly (242) is connected to the drive unit (230) and the sleeve structure (250); Two electromagnetic clutches (243) are provided and installed on the output shaft of the drive unit (230). The two electromagnetic clutches (243) are respectively connected to the acceleration assembly (241) and the deceleration assembly (242).

3. The encoder speed simulation device according to claim 2, characterized in that: The acceleration component (241) and the deceleration component (242) are both composed of two gears of different sizes, and the two gears are connected by a transmission and are respectively installed on the output shaft of the drive device (230) and the outside of the sleeve structure (250).

4. The encoder speed simulation device according to claim 1, characterized in that: The clamping device (220) includes: A control assembly (221) is mounted inside the housing (210) and extends above the housing (210); An iris unit (223) is installed inside the housing (210) and connected to the control unit (221); A clamping block (224) is mounted on the iris assembly (223) and extends into the storage space (211) for clamping the encoder.

5. The encoder speed simulation device according to claim 4, characterized in that: The iris component (223) includes: The turntable (2231) is coaxially sleeved on the outside of the sleeve structure (250); The arc-shaped slide (2232) is arranged in a circular array of multiple sections, and is opened vertically on the turntable (2231); Positioning plates (2233), multiple of which are provided and installed inside the housing (210); The horizontal slide (2234) is opened vertically on the positioning plate (2233).

6. The encoder speed simulation device according to claim 5, characterized in that: The inner top wall of the housing (210) is equipped with a limiting frame (222) that is coaxially arranged with the turntable (2231) and limits the height of the turntable (2231).

7. The encoder speed simulation device according to claim 4, characterized in that: The control component (221) includes: The drive gear (2211) is disposed within the housing (210); Driven gear (2212) is mounted on clamping device (220) and meshes with driving gear (2211); The on / off switch (2213) is fixed coaxially with the drive gear (2211) and is located above the housing (210).

8. The encoder speed simulation device according to claim 5, characterized in that: The bottom of the clamping block (224) is fixedly equipped with a sliding column (2241) that passes through the arc-shaped slide (2232) and the horizontal slide (2234), and the inner end of the clamping block (224) is provided with grooves (2242) to increase friction.

9. The encoder speed simulation device according to claim 1, characterized in that: The bottom of the housing (210) is detachably fitted with a base (212).

10. The encoder speed simulation device according to claim 1, characterized in that: It also includes: a diagnostic instrument (100) that communicates with the simulation platform (200). The diagnostic instrument (100) has a power battery (110) and a motherboard (120) installed inside, with the motherboard (120) located above the power battery (110).

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