Indicator device, yaw ring and wind power generation unit

Abstract

An indicating device, a yaw ring, and a wind power generation unit are provided for the purpose of solving the problem that safety accidents are likely to occur during the inspection and maintenance of the yaw ring. 【Solution means】An indicating device includes: an indicating lamp 2 suitable for being provided on the outer surface of the housing of the yaw ring; and an induction coil 1 provided in the housing, the induction coil being connected to the circuit 4 of the indicating lamp, the induction coil being suitable for being fitted around the outer periphery of a stator conductive strip 5. In a normal state, the stator conductive strip is energized, the induction coil induces a current to generate an induced current, and the generated induced current lights up the indicating lamp.

Description

Technical Field

[0001] The present invention relates to the technical field of inspection of yaw rings, and specifically to an indicating device, a yaw ring, and a wind power generation unit.

Background Art

[0002] Currently, the industry of yaw rings for wind power generation units has already been large-scale. With the increase in input and use, for better safe operation of products, daily inspection and maintenance are very important. However, due to the absence of a live indicating device on the bus ring, the safety factor is not high, there is a risk of missing the timing of inspection and maintenance, and maintenance staff cannot quickly and accurately determine whether the bus ring is live, and safety accidents of personnel are likely to occur during maintenance.

Summary of the Invention

Problems to be Solved by the Invention

[0003] Therefore, the technical problem to be solved by the present invention is to provide an indicating device, a yaw ring, and a wind power generation unit in order to overcome the defect of the prior art that safety accidents are likely to occur during the inspection and maintenance of the yaw ring.

Means for Solving the Problems

[0004] To solve the above problems, the present invention provides a pilot lamp suitable for being provided on the outer surface of the housing of the yaw ring, and an induction coil provided in the housing, the induction coil is connected to the circuit of the pilot lamp, the induction coil is suitable for being fitted on the outer periphery of the stator conductive strip, in a normal state, the stator conductive strip is energized, the induction coil induces a current to generate an induced current, and the generated induced current lights up the pilot lamp, and an indicating device including the induction coil.

[0005] Optionally, a rectifier is further provided in the circuit between the indicating lamp and the induction coil, and the rectifier is provided inside the housing.

[0006] Optionally, it further includes an electronic lock, the electronic lock is provided outside the housing, and the electronic lock communicates with a circuit provided between the rectifier and the indicating lamp.

[0007] Optionally, the electronic lock is provided in parallel with the indicating lamp.

[0008] Optionally, the electronic lock includes a cylinder and a lock front, the housing includes a cabinet body and a cabinet door, the lock front is provided on the cabinet body, the cylinder is provided on the cabinet door, and the cylinder and the lock front are provided correspondingly.

[0009] Optionally, a switch is provided in the circuit between the rectifier and the induction coil.

[0010] A yaw slip ring, including the above-mentioned indicating device, further including a housing and a stator conductive strip, and the stator conductive strip is provided inside the housing.

[0011] Optionally, it further includes a back plate, and a rectifier is provided on the back plate.

[0012] Optionally, a junction box is provided on the side surface of the housing, and an indicating lamp is provided in the junction box.

[0013] A wind power generation unit, including the above-mentioned yaw slip ring.

[0014] The technical solution of the present invention has the following advantages.

[0015] 1. The indicating device according to the present invention includes an indicating lamp suitable for being provided on the outer surface of the housing of the yo-bus ring, and an induction coil provided in the housing. The induction coil is connected to the circuit of the indicating lamp. The induction coil is suitable for being fitted on the outer periphery of the stator conductive strip in the housing. In a normal state, the stator conductive strip is energized, the induction coil induces a current to generate an induced current, and the generated induced current lights up the indicating lamp. By providing the indicating lamp, when the indicating lamp lights up, it indicates that the stator conductive strip is energized and the yo-bus ring is charged, which can be directly observed by on-site personnel, improving the safety factor, reducing the maintenance risk, and avoiding the occurrence of personal safety accidents.

[0016] 2. In the indicating device according to the present invention, a rectifier is further provided in the circuit between the indicating lamp and the induction coil. The rectifier is provided in the housing and converts alternating current power into direct current power for the indicating lamp.

[0017] 3. The indicating device according to the present invention further includes an electronic lock. The electronic lock is provided outside the housing and communicates with the circuit provided between the rectifier and the indicating lamp to lock or unlock the housing with the electronic lock.

[0018] 4. In the indicating device according to the present invention, the electronic lock and the indicating lamp are provided in parallel to avoid mutual interference between the two.

[0019] 5. In the indicating device according to the present invention, the electronic lock includes a cylinder and a lock front. The housing includes a cabinet body and a cabinet door. The lock front is provided on the cabinet body, the cylinder is provided on the cabinet door, and the cylinder and the lock front are provided correspondingly. When the circuit is energized, the cylinder of the electronic lock is inserted into the lock front to prevent maintenance staff from accidentally opening the cabinet door. When the circuit is powered off, the cylinder of the electronic lock is separated from the lock front, and the cabinet door can be opened.

[0020] 6. In the indicating device according to the present invention, a switch is provided in the circuit between the rectifier and the induction coil. The switch controls whether the circuit is energized or not, facilitating the maintenance staff to control the opening and closing of the circuit by the switch.

[0021] 7. Since the yaw bus ring according to the present invention employs the indicating device described in any of the above, it has the advantages described in any of the above. It further includes a housing and a stator conductive strip, and the stator conductive strip is provided in the housing, thereby determining the relative position between the stator conductive strip and the housing.

[0022] 8. The yaw bus ring according to the present invention further includes a back plate, a rectifier is provided on the back plate, a junction box is provided on the side surface of the housing, and an indicator lamp is provided in the junction box, thereby clarifying the positions of the rectifier and the indicator lamp.

[0023] 9. Since the yaw bus ring according to the present invention employs the yaw bus ring described in any of the above, it has the advantages described in any of the above.

[0024] To more clearly explain the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings that need to be used in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention, and those skilled in the art can obtain other drawings based on these drawings without creative labor.

Brief Description of the Drawings

[0025]

Figure 1

Figure 2

Figure 3

Figure 4

Mode for Carrying Out the Invention

[0026] Hereinafter, with reference to the drawings, the technical solution of the present invention will be clearly and completely described. Obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the present invention.

[0027] In the description of the present invention, the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is the orientation or positional relationship shown based on the drawings, and is merely for facilitating and simplifying the description of the present invention, and does not indicate or imply that the device or element must have a specific orientation or be configured and operated in a specific orientation. Therefore, it should be understood that the present invention is not limited. Also, the terms "first", "second", "third" are merely used for the purpose of description and do not indicate or imply relative importance.

[0028] In the description of the present invention, unless otherwise clearly defined and limited, the terms "attachment", "connection", "connection" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, or an electrical connection, a direct connection, or an indirect connection through an intermediate medium, or a communication inside two elements. Those skilled in the art can understand the specific meaning of the above terms in the present invention according to the specific situation.

[0029] Also, regarding the technical features according to different embodiments of the present invention described below, unless they are mutually contradictory, they can be combined with each other.

[0030] The specific embodiments of the indicating device shown in FIGS. 1 to 4 include an indicating lamp 2, an induction coil 1, and a rectifier 3.

[0031] As shown in FIGS. 1 and 3, the indicating lamp 2 is suitable for being provided on the outer surface of the housing 9 of the yaw bus ring. The induction coil 1 is provided in the housing 9. The induction coil 1 is connected to the circuit 4 of the indicating lamp 2, and the induction coil 1 is suitable for being fitted on the outer periphery of the stator conductive strip 5. As shown in FIG. 1, a rectifier 3 is provided in the circuit 4 between the induction coil 1 and the indicating lamp 2, and the rectifier 3 is provided in the housing 9. In a normal state, the stator conductive strip 5 is energized, the induction coil 1 induces a current to generate an induced current, and the generated induced current lights up the indicating lamp 2.

[0032] As shown in FIGS. 1 and 4, it further includes an electronic lock provided on the outer surface of the housing 9. The electronic lock includes a cylinder 8 and a lock front 7, and the cylinder 8 and the lock front 7 are correspondingly provided. To realize the control of the circuit 4, it further includes a switch 6, and the switch 6 is provided in the circuit 4 between the rectifier 3 and the induction coil 1. Note that the electronic lock is provided in parallel with the indicating lamp 2.

[0033] A yaw bus ring, including the above indicating device. As shown in FIGS. 2 and 3, it further includes a housing 9 and a stator conductive strip. The stator conductive strip 5 is provided in the housing 9, and the induction coil 1 is fitted on the outer periphery of the stator conductive strip. As shown in FIG. 2, it further includes a back plate 10, and the rectifier 3 is provided on the back plate 10. As shown in FIG. 2, a junction box is provided on the side surface of the housing 9, and the indicating lamp 2 is provided in the junction box. As shown in FIG. 3, the housing 9 includes a cabinet body 91 and a cabinet door 92. The electronic lock includes a cylinder 8 and a lock front 7. The lock front 7 is provided on the cabinet body 91, the cylinder 8 is provided on the cabinet door 92, and the cylinder 8 and the lock front 7 are correspondingly provided.

[0034] A wind power generation unit, including the above yaw bus ring.

[0035] A detection method for a yaw bus ring, including the following steps.

[0036] 1) In the normal state, the stator conductive strip 5 is energized, the induction coil 1 induces a current to generate an induced current, the generated induced current lights up the indicator lamp 2, and the cylinder 8 of the electronic lock is inserted into the lock front 7. 2) When a fault occurs, the stator conductive strip 5 is not energized, the induction coil 1 cannot induce a current and cannot generate an induced current, the indicator lamp 2 is in the off state, and the cylinder 8 of the electronic lock is separated from the lock front 7.

[0037] The yoke bus ring according to the present invention has the following advantages. (1) By providing the indicator lamp 2, the charged display of the yoke bus ring is realized, and it is easy for maintenance staff to quickly and accurately determine whether the yoke bus ring is charged, preventing safety accidents of maintenance staff during maintenance, improving the safety factor, reducing the inspection cost, (2) By providing an electronic lock, the cabinet door 92 is kept closed in the normal state, avoiding accidental opening by maintenance staff, (3) By providing the switch 6, it is possible to realize a certain degree of management of the circuit 4.

[0038] As an alternative embodiment, the electronic lock and the indicator lamp 2 may be provided in series.

[0039] Obviously, the above embodiments are merely examples for clear explanation and do not limit the embodiments. Those skilled in the art can make various other forms of changes or modifications based on the above description. It is not necessary to cover all embodiments here, nor is it possible to cover all embodiments. The obvious changes or modifications derived therefrom also belong to the patent scope of the present invention.

Description of the reference numerals

[0040] 1 Induction coil 2 Indicator lamp 3 Rectifier 4 Circuit 5 Stator conductive strip 6 Switch 7 Lock front 8 cylinders 9 Housing 91 Cabinet body 92 Cabinet door 10 Back plate

Claims

1. An indicating device, comprising: An indicating lamp (2) suitable for being provided on the outer surface of the housing (9) of the yaw bus ring; An induction coil (1) provided in the housing (9), the induction coil (1) being connected to the circuit (4) of the indicating lamp (2), the induction coil (1) being suitable for being fitted around the outer periphery of the stator conductive strip (5), in a normal state, the stator conductive strip (5) is energized, the induction coil (1) induces a current to generate an induced current, and the generated induced current lights up the indicating lamp (2). The indicating device is characterized by including the induction coil (1).

2. A rectifier (3) is further provided in the circuit (4) between the indicating lamp (2) and the induction coil (1), and the rectifier (3) is provided in the housing (9). The indicating device according to claim 1 is characterized by this.

3. Further including an electronic lock, the electronic lock is provided outside the housing (9), and the electronic lock communicates with a circuit (4) provided between the rectifier (3) and the indicating lamp (2). The indicating device according to claim 2 is characterized by this.

4. The electronic lock is provided in parallel with the indicating lamp (2). The indicating device according to claim 3 is characterized by this.

5. The electronic lock includes a cylinder (8) and a lock front (7), the housing (9) includes a cabinet body (91) and a cabinet door (92), the lock front (7) is provided on the cabinet body (91), the cylinder (8) is provided on the cabinet door (92), and the cylinder (8) and the lock front (7) are provided correspondingly. The indicating device according to claim 3 is characterized by this.

6. A switch (6) is provided in the circuit (4) between the rectifier (3) and the induction coil (1). The indicating device according to claim 2 is characterized by this.

7. A yaw bus ring, comprising: Including the indicating device according to any one of claims 1 to 6, further including a housing (9) and a stator conductive strip (5), and the stator conductive strip (5) is provided in the housing (9). The yaw bus ring is characterized by this.

8. Further including a back plate (10), and a rectifier (3) is provided on the back plate (10). The yaw bus ring according to claim 7 is characterized by this.

9. A junction box is provided on the side surface of the housing (9), and the indicator lamp (2) is provided in the junction box. The yaw bearing according to claim 8, characterized in that.

10. A wind power generation unit, A wind power generation unit comprising the yaw bearing according to claim 7, characterized in that.

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