Excitation system fan operation time timer
By setting the timer body in the fan of the excitation system and using the air nozzle, air pump and vacuum cleaner equipment to clean up the dust, the accuracy problem caused by the accumulation of dust in traditional timing equipment is solved, and the accurate recording of the fan running time and the long-term stable operation of the timer are achieved.
Patent Information
- Application Number
- CN202421351695.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-06-14
AI Technical Summary
The timing equipment of traditional excitation system fans is prone to accumulation of dust due to environmental factors, which affects the service life and accuracy of the timing equipment.
Design an excitation system fan running time timer. By setting the timer body in the fan, cleaning the dust with the air nozzle and air pump, and collecting dust with the vacuum cleaner equipment, ensuring the normal use of the timer.
It effectively solves the dust accumulation problem caused by environmental factors of the timing equipment, ensures the long-term stable operation and accuracy of the timer, and facilitates accurate recording of the fan running time.
Smart Images
Figure CN222600079U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of timing equipment, and in particular designs a timer for the running time of a fan of an excitation system. Background Art
[0002] The fans in the excitation system are two groups of fans that serve as backup for each other. A fan failure will cause the rectifier bridge of the excitation system to exit, and even cause the unit to stop. To prevent fan failure, the number of fan operating hours needs to be counted. By counting the operating time of the fans in the excitation system, operation and maintenance personnel can formulate maintenance plans more accurately. After long-term operation, the fan may experience problems such as wear and aging, requiring regular maintenance or replacement of parts. Accurately recording the operating time of the fan will help operation and maintenance personnel to reasonably arrange maintenance cycles and repair contents based on the actual use of the fan to ensure the normal operation of the fan.
[0003] However, traditional manual statistics are time-consuming and laborious, with large statistical errors. Timing equipment is used for timing, but due to environmental factors, it is easy to cause dust accumulation inside the timing equipment, affecting the subsequent use of the timing equipment. Summary of the invention
[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an excitation system fan operating time timer to solve the problem that the timing equipment of the prior art excitation system fan is inconvenient to time and the long-term use of the timing equipment is affected by environmental factors.
[0005] The technical solution is that the fan running time timer of the excitation system includes a timer body with a circuit board and a display, a shell with a cover arranged outside the timer body is provided on the inner wall of the fan, a through hole for exposing the display of the timer body is provided at one end of the shell, a sealing ring is provided along the inner wall of the tube through hole, a bracket for fixing the timer circuit board is provided in the shell, there are two brackets and they are symmetrically arranged about the circuit board, the bracket includes a horizontal bar and a vertical bar, an air nozzle is slidably connected on the bracket, an air pump connected to the air nozzle is provided on the inner wall of the fan, the air pump is connected to the air nozzle through an air pipe, a through hole for the air pipe to pass through is provided on the shell, an air inlet is provided at one end of the shell away from the through hole, the air inlet is connected to the dust collection device, and the dust collection device is fixed on the inner wall of the fan. The timer body is electrically connected to the normally open auxiliary node of the fan operation contactor, forming a structure in which the normally open contact is closed when the fan is running, and the timer body starts timing; when the fan stops running, the normally open contact is opened, and the timer stops timing.
[0006] Preferably, the air nozzle includes an air collecting chamber with the same width as the shell, and two opposite sides of the air collecting chamber are provided with a plurality of air holes connected thereto, and the air holes are evenly spaced along the length direction of the air collecting chamber, and a slide groove is provided on the cross bar, and a sliding block used in conjunction with the slide groove is provided on one side of the air collecting chamber, forming a structure in which the air collecting chamber moves along the slide groove, and the air holes blow away dust on the circuit board under the action of the air pump.
[0007] Preferably, the shell is provided with a connecting hole which runs through the thickness direction and is connected with the slide groove, the inner wall of the shell is provided with an air seat, an air bag column is provided at one end of the air seat away from the inner wall of the shell, the end of the air bag column away from the air seat is connected with the slider, the air seat is connected with the air pump through an air pipe, forming a structure in which the air bag column pushes the air nozzle to move after ventilation.
[0008] Preferably, a clockwork rope pull mechanism is arranged on the inner wall of the slide groove, there are two clockwork rope pull mechanisms and they are arranged about the center line of the slide groove, and the ropes of the clockwork rope pull mechanism are connected to the slider.
[0009] Preferably, a winding reel is provided on the inner wall of the shell at the position of the through hole, and a tube body connected to the air pipe is provided on the winding reel, and the tube body is connected to the air inlet at one end of the air collecting cavity.
[0010] The beneficial effect of the utility model is that a timer body is arranged in the fan, the timer body is electrically connected to the normally open auxiliary node of the fan operation contactor, when the fan is running, the normally open contact is closed, and the timer body starts timing; when the fan stops running, the normally open contact is opened, and the timer stops timing, which is convenient for recording the running time of the fan;
[0011] A shell for fixing the timer body is arranged inside the fan, and an air nozzle for cleaning dust to ensure the normal use of the timer body is arranged inside the shell, and the supply of gas is ensured under the action of the air pump, and a dust collecting device is arranged at one end of the shell to facilitate the collection of dust;
[0012] A bracket for moving the air nozzle is arranged in the shell, a slide groove for moving the slider on the air nozzle is arranged on the cross bar of the bracket, an air seat extending into the slide groove is arranged on the shell, an air bag column for pushing the air nozzle to move is arranged at one end of the air seat, a spring pull rope mechanism for ensuring the resetting of the air nozzle is arranged in the slide groove, the air nozzle is ensured to move and reset along the slide groove, and the winding disk is arranged to ensure the air supply when the air nozzle follows the movement of the slider. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural diagram of a fan running time timer of an excitation system of the utility model;
[0014] Figure 2 It is a cross-sectional view of a fan operation timer of an excitation system of the utility model;
[0015] Figure 3It is a structural diagram of the crossbar of the fan running time timer of the excitation system of the utility model;
[0016] Figure 4 The utility model is a schematic diagram of a fan running time timer of an excitation system.
[0017] Among them, 1 is a circuit board, 2 is a display, 3 is a shell, 4 is a fan operation contactor, 5 is a bracket, 6 is a horizontal rod, 7 is a vertical rod, 8 is an air nozzle, 9 is a through hole, 10 is an air intake, 11 is an air collecting cavity, 12 is an air hole, 13 is a slide groove, 14 is a slider, 15 is a connecting hole, 16 is an air seat, 17 is an air bag column, 18 is a spring pull rope mechanism, 19 is a rope, 20 is a reel, and 21 is a tube body. DETAILED DESCRIPTION
[0018] The following will clearly and completely describe the technical solutions of various embodiments of the utility model in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model. In the description of the utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.
[0019] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0020] The specific implementation of the utility model is further described in detail below in conjunction with the accompanying drawings.
[0021] Embodiment 1: As shown in the drawings of the specification, the excitation system fan operation timer includes a timer body with a circuit board 1 and a display 2. The timer body is electrically connected to the normally open auxiliary node of the fan operation contactor 4, forming a structure in which the normally open contact is closed when the fan is running and the timer body starts timing; when the fan stops operating, the normally open contact is opened and the timer stops timing. The inner wall of the fan is screwed with a shell 3 that is covered on the outside of the timer body. The shell 3 is a rectangular hollow block structure. One end of the shell 3 is provided with a through hole for the display 2 of the timer body to be exposed. The through hole is a rectangular structure, and a sealing ring is glued along the inner wall of the tube through hole. A bracket 5 for fixing the timer circuit board 1 is detachably connected in the shell 3. There are two brackets 5 and they are symmetrically arranged about the circuit board 1. The bracket 5 includes a horizontal rod 6 and a vertical rod 7. An air nozzle 8 is slidably connected to the bracket 5. An air pump connected to the air nozzle 8 is screwed with an air pump connected to the air nozzle 8 on the inner wall of the fan. A power supply electrically connected to the air pump through a timing controller is also screwed with an inner wall of the fan. The air pump is connected to the air nozzle 8 through an air pipe. The shell 3 is provided with a through hole 9 for the air pipe to pass through, and the end of the shell 3 away from the through hole 9 is provided with an air inlet 10 that penetrates the thickness of the shell 3, and the air inlet 10 is connected to the dust collection device, which belongs to the prior art, and the dust collection device is screwed to the inner wall of the fan. The air nozzle 8 includes an air collecting chamber 11 with the same width as the shell 3, and the two opposite sides of the air collecting chamber 11 are provided with a plurality of air holes 12 connected thereto, and the air holes 12 and the air collecting chamber 11 are an integral structure, and each air hole 12 is evenly spaced along the length direction of the air collecting chamber 11. The cross bar 6 is provided with a slide groove 13 recessed into the interior thereof, and the cross section of the slide groove 13 is a "T"-shaped structure, and a slider 14 used in conjunction with the slide groove 13 is provided on one side of the air collecting chamber 11, forming a structure in which the air collecting chamber 11 moves along the slide groove 13, and the air holes 12 blow up the dust on the circuit board 1 under the action of the air pump.
[0022] In one embodiment, as shown in the accompanying drawings, the housing 3 is provided with a connecting hole 15 that runs through the thickness direction thereof and is connected to the slide 13. The inner wall of the housing 3 is provided with an air seat 16. The air seat 16 belongs to the prior art. The air seat 16 is a hollow rectangular block structure. The air pipe passes through the connecting hole 15 and is connected to the air seat 16. The end of the air seat 16 away from the inner wall of the housing 3 is connected with an air bag column 17. The air bag column 17 belongs to the prior art. The end of the air bag column 17 away from the air seat 16 is glued to the slider 14. The air seat 16 is connected to the air pump through the air pipe, forming a structure in which the air bag column 17 pushes the air nozzle 8 to move after ventilation. A spring pull rope mechanism 18 is fixed to the inner wall of the slide 13 near one end of the housing 3 by screws. The spring pull rope mechanism 18 belongs to the prior art. There are two spring pull rope mechanisms 18 and they are arranged about the center line of the slide 13. The rope 19 of the spring pull rope mechanism 18 is connected to the slider 14. A winding reel 20 is provided on the inner wall of the shell 3 and at the position of the through hole 9. The winding reel 20 belongs to the prior art. A tube body 21 connected to the air pipe is provided inside the winding reel 20. The tube body 21 is connected to the air inlet at one end of the air collecting chamber 11.
[0023] The utility model arranges a timer body in the fan, and the timer body is electrically connected to the normally open auxiliary node of the fan operation contactor. When the fan is running, the normally open contact is closed, and the timer body starts timing; when the fan stops running, the normally open contact is opened, and the timer stops timing, which is convenient for recording the running time of the fan; a shell for fixing the timer body is arranged inside the fan, and an air nozzle for cleaning dust to ensure the normal use of the timer body is arranged in the shell, and the supply of gas is ensured under the action of the air pump, and a dust suction device is arranged at one end of the shell, which is convenient for collecting dust; a bracket for moving the air nozzle is arranged in the shell, and a slide groove for moving a slider on the air nozzle is arranged on the cross bar of the bracket, and an air seat extending into the slide groove is arranged on the shell, and an air bag column for pushing the air nozzle to move is arranged at one end of the air seat, and a spring pull rope mechanism for ensuring the resetting of the air nozzle is arranged in the slide groove, so as to ensure the movement and resetting of the air nozzle along the slide groove, and the arrangement of the winding disk ensures the air supply when the air nozzle follows the movement of the slider.
[0024] The present invention is described in detail above through specific implementation methods and examples, but these do not constitute limitations of the present invention. Without departing from the principle of the present invention, those skilled in the art may make many modifications and improvements, which should also be considered as the protection scope of the present invention.
Claims
1. A timer for the operation time of a fan in an excitation system, comprising a timer body with a circuit board (1) and a display (2), characterized in that: The inner wall of the fan is provided with a shell (3) which is covered on the outside of the timer body. A through hole for exposing the display (2) of the timer body is provided at one end of the shell (3). A sealing ring is provided along the inner wall of the through hole. A bracket (5) for fixing the timer circuit board (1) is provided in the shell (3). There are two brackets (5) which are symmetrically arranged with respect to the circuit board (1). The bracket (5) comprises a horizontal rod (6) and a vertical rod (7). An air nozzle (8) is slidably connected to the bracket (5). An air pump connected to the air nozzle (8) is provided on the inner wall of the fan. The air pump is connected to the air nozzle (8) through an air pipe. A through hole (9) for the air pipe to pass through is provided on the shell (3). An air inlet (10) is provided at one end of the shell (3) away from the through hole (9). The air inlet (10) is connected to a dust collecting device, and the dust collecting device is fixed to the inner wall of the fan.
2. The excitation system fan operating time timer according to claim 1, characterized in that: The air nozzle (8) comprises an air collecting chamber (11) having the same width as the shell (3), and two opposite sides of the air collecting chamber (11) are provided with a plurality of air holes (12) connected thereto, and the air holes (12) are evenly spaced along the length direction of the air collecting chamber (11). A slide groove (13) is provided on the cross bar (6), and a slider (14) used in conjunction with the slide groove (13) is provided on one side of the air collecting chamber (11), so that the air collecting chamber (11) moves along the slide groove (13), and the air holes (12) are blown away dust on the circuit board (1) under the action of the air pump.
3. The fan operating time timer of the excitation system according to claim 2, characterized in that: The shell (3) is provided with a connecting hole (15) which runs through the shell (3) in the thickness direction and is connected to the slide groove (13). The inner wall of the shell (3) is provided with an air seat (16). An air bag column (17) is provided at one end of the air seat (16) away from the inner wall of the shell (3). The end of the air bag column (17) away from the air seat (16) is connected to the slider (14). The air seat (16) is connected to the air pump through an air pipe, forming a structure in which the air bag column (17) pushes the air nozzle (8) to move after ventilation.
4. The excitation system fan operating time timer according to claim 3, characterized in that: A spring pull rope mechanism (18) is arranged on the inner wall of the slide groove (13), two spring pull rope mechanisms (18) are provided and are arranged about the center line of the slide groove (13), and ropes (19) of the spring pull rope mechanisms (18) are connected to the slider (14).
5. The fan operating time timer of the excitation system according to claim 1, characterized in that: A winding reel (20) is provided on the inner wall of the housing (3) at the position of the through hole (9), and a tube body (21) connected to the air pipe is provided on the winding reel (20), and the tube body (21) is connected to an air inlet at one end of the air collecting chamber (11).