Connecting device for measuring electrical signal of wind turbine generator

Abstract

The utility model belongs to the technical field of connecting devices, and particularly relates to a connecting device for measuring electrical signals of a wind turbine generator, which comprises a measuring instrument end joint and a generator set signal end joint, the measuring instrument end joint comprises a first shell, a butt joint socket is arranged on one side surface of the first shell, and a first limiting plate which is integrally formed is arranged on the butt joint socket; a first contact block is fixedly installed on the inner side of the first shell in an inserted mode, a first positioning hole is formed in the first shell in a penetrating mode, a first telescopic cavity is formed in the side face of the first shell, a positioning rod is installed in the first telescopic cavity in an inserted mode, the outer side of the positioning rod is sleeved with an anti-falling plate, the outer side of the positioning rod is sleeved with a first spring, and one end of the positioning rod is connected with a shifting plate. The unit signal end connector comprises a second shell, the side face of the second shell is inwards provided with a butt joint inserting groove and a rotation limiting groove, the device is convenient to butt joint and operate and good in connection stability, contact between the second contact block and the first contact block is reliable enough, and the technical problem is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of connection devices, and in particular relates to a connection device for measuring electrical signals of a wind turbine set. Background Art

[0002] Wind turbine electrical signal measurement refers to the process of monitoring and measuring electrical signals in wind turbines. These electrical signals include but are not limited to voltage, current, power factor, frequency, etc. By measuring these electrical signals, we can understand the operating status, performance parameters, and possible faults or abnormalities of the wind turbine. At present, when measuring electrical signals of wind turbines, it is usually necessary to connect the wires to the terminals and introduce the measured signals from the signal source of the wind turbine into the measurement circuit of the instrument. The actual operation is cumbersome and the connection stability is not good. Utility Model Content

[0003] In view of the above problems, the purpose of the utility model is to provide a connection device for measuring electrical signals of a wind turbine set, which has convenient docking operation, good connection stability, and sufficiently reliable contact between the second contact block and the first contact block, thereby solving the technical problems raised.

[0004] To achieve the above purpose, the utility model provides the following technical solutions: a connection device for measuring electrical signals of a wind turbine, comprising a measuring instrument terminal connector and a unit signal terminal connector, the measuring instrument terminal connector comprising a first shell, a docking socket is provided on one side of the first shell, a first integrally formed first limiting plate is provided on the docking socket, a first contact block is inserted and fixedly installed on the inner side of the first shell, a first positioning hole is penetrated through the first shell, a first telescopic cavity is provided on the side of the first shell, a positioning rod is inserted and installed inside the first telescopic cavity, an anti-drop plate is sleeved on the outer side of the positioning rod, a first spring is sleeved on the outer side of the positioning rod, one end of the positioning rod is connected to the toggle plate, the unit signal terminal connector comprises a second shell, a docking slot and a rotation limiting slot are opened inwardly on the side of the second shell, the docking slot and the rotation limiting slot are connected to each other, an integrally formed second limiting plate is provided on the inner side of the rotation limiting slot, a second telescopic cavity is provided on the inner side of the second shell, a spring is provided inside the second telescopic cavity, a second contact block is inserted and installed inside the second telescopic cavity, and a second positioning hole is penetrated through the second shell.

[0005] The beneficial effects of the utility model are as follows: the signal terminal connector of the unit of the present device is connected to the signal source of the unit through the signal source connector and is retained for a long time. When it is necessary to measure the signal, the measuring instrument terminal connector connected to the measuring instrument through the first connecting line is aligned with the signal terminal connector of the unit, and the docking socket on the first shell is aligned and inserted with the docking slot on the second shell. At this time, the positioning rod is squeezed into the first telescopic cavity by the second shell and the first spring is compressed through the anti-drop plate. At the same time, the first contact block is inserted into the second shell and squeezes the second contact block, so that the second contact block is partially pressed into the second telescopic cavity and compresses the spring. Then the first shell is rotated to make the docking socket rotate into the rotation limit groove. At this time, the first limit plate on the docking socket and the second limit plate on the inner side of the rotation limit groove overlap with each other, playing a role in mutual positioning. The limiting function is that the first positioning hole and the second positioning hole are aligned with each other, and the positioning rod is bounced into the second positioning hole under the rebound force of the first spring to lock the first positioning hole and the second positioning hole. At this time, the first shell and the second shell cannot be separated, and the first shell and the second shell cannot rotate relative to each other. At the same time, due to the rebound force of the spring, the second contact block and the first contact block are in close contact, so that a transmission path is formed between the measuring instrument and the signal source through the first connecting line, the first contact block, the second contact block, the second connecting line, and the signal source connector, and then the signal strength can be measured. In addition, the docking operation between the first shell and the second shell is convenient, the connection stability is good, and the contact between the second contact block and the first contact block is reliable enough, thereby solving the technical problem raised.

[0006] As a further improvement of the above technical solution: one end of the first contact block is connected to a first connecting line, and the other end of the first connecting line is connected to an instrument.

[0007] One end of the first connecting line is connected to the instrument, so that a transmission path is formed between the measuring instrument and the signal source through the first connecting line, the first contact block, the second contact block, the second connecting line, and the signal source connector.

[0008] To make it easier to insert the positioning rod into the second positioning hole:

[0009] As a further improvement of the above technical solution: one end of the positioning rod is in a round head shape.

[0010] The beneficial effect of this improvement is that the round head shape design makes it easier to insert the positioning rod into the second positioning hole.

[0011] To facilitate unlocking:

[0012] As a further improvement of the above technical solution: a guide groove is provided on the inner side of the first telescopic cavity, an integrally formed sliding block is provided on the outer side of the anti-drop plate, and the guide groove and the sliding block are slidably connected with each other.

[0013] The beneficial effect of this improvement is that due to the setting of the guide groove and the slider, when the toggle plate is toggled to the side, the first shell can be driven to rotate accordingly. After pulling the positioning rod, the toggle plate can be used to rotate the first shell accordingly, and the docking socket can be screwed into the docking slot for easy unlocking.

[0014] To facilitate the connection when measuring signals:

[0015] As a further improvement of the above technical solution: one end of the second shell is connected to the second connecting line, and one end of the second connecting line is connected to the signal source connector.

[0016] The beneficial effect of this improvement is that the signal end connector of the unit is connected to the signal source of the unit through the signal source connector and is retained for a long time to facilitate docking when measuring signals.

[0017] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the axonometric structure of the utility model;

[0019] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0020] Figure 3 This is a front separation schematic diagram of the utility model;

[0021] Figure 4 This is a schematic diagram of the back separation of the utility model;

[0022] Figure 5 It is a back cutaway schematic diagram of the utility model;

[0023] Figure 6 It is a cross-sectional structural schematic diagram of the utility model;

[0024] Figure 7 It is an enlarged schematic diagram of part A of the utility model;

[0025] In the figure: 1. measuring instrument terminal connector; 2. unit signal terminal connector; 3. first shell; 4. docking socket; 5. first limit plate; 6. first contact block; 7. first connecting line; 8. first positioning hole; 9. first telescopic cavity; 10. positioning rod; 11. anti-drop plate; 12. guide groove; 13. slider; 14. first spring; 15. toggle plate; 16. second shell; 17. docking slot; 18. rotation limit groove; 19. second limit plate; 20. second telescopic cavity; 21. spring; 22. second contact block; 23. second connecting line; 24. signal source connector; 25. second positioning hole. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the present invention.

[0027] like Figure 1-7 As shown, a connection device for measuring electrical signals of a wind turbine generator set comprises a measuring instrument terminal connector 1 and a unit signal terminal connector 2. The measuring instrument terminal connector 1 comprises a first shell 3, a side surface of the first shell 3 is provided with a docking socket 4, the docking socket 4 is provided with an integrally formed first limiting plate 5, a first contact block 6 is inserted and fixedly installed on the inner side of the first shell 3, a first positioning hole 8 is penetrated through the first shell 3, a first telescopic cavity 9 is provided on the side of the first shell 3, a positioning rod 10 is inserted and installed in the interior of the first telescopic cavity 9, an anti-slip plate 11 is sleeved on the outer side of the positioning rod 10, and a first contact block 6 is sleeved on the outer side of the positioning rod 10. There is a first spring 14, one end of the positioning rod 10 is connected to the toggle plate 15, the unit signal terminal connector 2 includes a second shell 16, the side of the second shell 16 is provided with a docking slot 17 and a rotation limit slot 18, the docking slot 17 and the rotation limit slot 18 are connected to each other, the inner side of the rotation limit slot 18 is provided with an integrally formed second limit plate 19, the inner side of the second shell 16 is provided with a second telescopic cavity 20, the interior of the second telescopic cavity 20 is provided with a spring 21, the interior of the second telescopic cavity 20 is inserted and installed with a second contact block 22, and the second shell 16 is penetrated by a second positioning hole 25.

[0028] The unit signal terminal connector 2 of the device is connected to the signal source of the unit through the signal source connector 24 and is retained for a long time. When it is necessary to measure the signal, the measuring instrument terminal connector 1 connected to the measuring instrument through the first connecting line 7 is aligned with the unit signal terminal connector 2, and the docking socket 4 on the first shell 3 is aligned with the docking slot 17 on the second shell 16 and inserted. At this time, the positioning rod 10 is squeezed into the first telescopic cavity 9 by the second shell 16 and the first spring 14 is compressed through the anti-slip plate 11. At the same time, the first contact block 6 is inserted into the second shell 16 and squeezes the second contact block 22, so that the second contact block 22 is partially pressed into the second telescopic cavity 20, and the spring 21 is compressed. Then the first shell 3 is rotated to make the docking socket 4 screwed into the rotation limit groove 18. At this time, the first limit plate 5 on the docking socket 4 and the second limit plate 19 on the inner side of the rotation limit groove 18 overlap with each other, which plays a role in mutual limitation. The first and second locating holes 8 and 25 are aligned with each other, and the locating rod 10 is bounced into the second locating hole 25 under the rebound force of the first spring 14, so as to lock the first and second locating holes 8 and 25. At this time, the first shell 3 and the second shell 16 cannot be separated, and the first shell 3 and the second shell 16 cannot rotate relative to each other. At the same time, due to the rebound force of the spring 21, the second contact block 22 and the first contact block 6 are in close contact, so that a transmission path is formed between the measuring instrument and the signal source through the first connecting line 7, the first contact block 6, the second contact block 22, the second connecting line 23, and the signal source connector 24, so that the signal strength can be measured. In addition, the docking operation between the first shell 3 and the second shell 16 is convenient, the connection stability is good, and the contact between the second contact block 22 and the first contact block 6 is reliable enough, thereby solving the technical problem raised.

[0029] One end of the first contact block 6 is connected to the first connecting line 7, and the other end of the first connecting line 7 is connected to the instrument.

[0030] One end of the first connecting line 7 is connected to the instrument, so that a transmission path is formed between the measuring instrument and the signal source through the first connecting line 7, the first contact block 6, the second contact block 22, the second connecting line 23, and the signal source connector 24.

[0031] One end of the positioning rod 10 is rounded.

[0032] The round head shape makes it easier for the positioning rod 10 to be inserted into the second positioning hole 25 .

[0033] A guide groove 12 is provided on the inner side of the first telescopic cavity 9 , and an integrally formed slider 13 is provided on the outer side of the anti-drop plate 11 . The guide groove 12 and the slider 13 are slidably connected to each other.

[0034] Due to the arrangement of the guide groove 12 and the slider 13, when the toggle plate 15 is toggled sideways, the first shell 3 can be driven to rotate accordingly. After pulling the positioning rod 10, the toggle plate 15 can be used to rotate the first shell 3, and the docking socket 4 can be screwed into the docking slot 17 for easy unlocking.

[0035] One end of the second housing 16 is connected to the second connecting line 23 , and one end of the second connecting line 23 is connected to the signal source connector 24 .

[0036] The signal terminal connector 2 of the unit is connected to the signal source of the unit through the signal source connector 24 and is retained for a long time to facilitate docking when measuring signals.

[0037] The working principle and use process of the utility model are as follows: the unit signal terminal connector 2 of the device is connected to the signal source of the unit through the signal source connector 24 and is retained for a long time. When it is necessary to measure the signal, the measuring instrument terminal connector 1 connected to the measuring instrument through the first connecting line 7 is aligned with the unit signal terminal connector 2, and the docking socket 4 on the first shell 3 is aligned with the docking slot 17 on the second shell 16 and inserted. At this time, the positioning rod 10 is squeezed into the first telescopic cavity 9 by the second shell 16 and the first spring 14 is compressed through the anti-drop plate 11. At the same time, the first contact block 6 is inserted into the second shell 16 and The second contact block 22 is squeezed so that part of the second contact block 22 is pressed into the second telescopic cavity 20, and the spring 21 is compressed. Then the first housing 3 is rotated to rotate the docking socket 4 into the rotation limit groove 18. At this time, the first limit plate 5 on the docking socket 4 and the second limit plate 19 on the inner side of the rotation limit groove 18 overlap with each other, playing a role of mutual limitation. At the same time, the first positioning hole 8 and the second positioning hole 25 are aligned with each other. The positioning rod 10 is bounced into the second positioning hole 25 under the rebound force of the first spring 14, and the first positioning hole 8 and the second positioning hole 25 are locked. At this time, the first shell 3 and the second shell 16 cannot be separated, and the first shell 3 and the second shell 16 cannot rotate relative to each other. At the same time, due to the rebound force of the spring 21, the second contact block 22 and the first contact block 6 are in close contact, so that a transmission path is formed between the measuring instrument and the signal source through the first connecting line 7, the first contact block 6, the second contact block 22, the second connecting line 23, and the signal source connector 24, and then the signal strength can be measured. In addition, the docking operation between the first shell 3 and the second shell 16 is convenient, the connection stability is good, and the second contact block 22, The contact between the first contact blocks 6 is also reliable enough, which solves the technical problem raised. When the first shell 3 and the second shell 16 need to be separated, the positioning rod 10 is pulled by the toggle plate 15 to disengage the positioning rod 10 from the insertion connection with the second positioning hole 25. Due to the setting of the guide groove 12 and the slider 13, when the toggle plate 15 is toggled to the side, the first shell 3 can be driven to rotate accordingly. After pulling the positioning rod 10, the toggle plate 15 is used to rotate the first shell 3, so that the docking socket 4 can be screwed into the docking slot 17, and then the first shell 3 and the second shell 16 can be separated.

[0038] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0039] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principle of the utility model, they can make several improvements, embellishments or changes, and can also combine the above technical features in an appropriate manner; these improvements, embellishments, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A connection device for measuring electrical signals of a wind turbine generator set, characterized in that: The invention comprises a measuring instrument terminal connector (1) and a unit signal terminal connector (2), wherein the measuring instrument terminal connector (1) comprises a first shell (3), a docking socket (4) is provided on one side of the first shell (3), a first integrally formed first limit plate (5) is provided on the docking socket (4), a first contact block (6) is inserted and fixedly installed on the inner side of the first shell (3), a first positioning hole (8) is penetrated through the first shell (3), a first telescopic cavity (9) is provided on the side of the first shell (3), a positioning rod (10) is inserted and installed inside the first telescopic cavity (9), an anti-slip plate (11) is sleeved on the outer side of the positioning rod (10), and a first spring (14) is sleeved on the outer side of the positioning rod (10), and the ... and a first positioning hole (8) is penetrated through the first shell (3), a first telescopic cavity (9) is provided on the side of the first shell (3), and a first telescopic cavity (9) is inserted and installed inside the first telescopic cavity (9), an anti-slip plate (11) is sleeved on the outer side of the positioning rod (10), and a first spring (14) is sleeved on the outer side of the positioning rod (10). One end of the positioning rod (10) is connected to the toggle plate (15), and the signal terminal connector (2) of the unit includes a second shell (16), and a docking slot (17) and a rotation limit slot (18) are opened inward on the side of the second shell (16), and the docking slot (17) and the rotation limit slot (18) are connected to each other. The inner side of the rotation limit slot (18) is provided with an integrally formed second limit plate (19), and the inner side of the second shell (16) is provided with a second telescopic cavity (20), and a spring (21) is provided inside the second telescopic cavity (20), and a second contact block (22) is inserted and installed inside the second telescopic cavity (20), and a second positioning hole (25) is penetrated through the second shell (16).

2. A connection device for measuring electrical signals of a wind turbine according to claim 1, characterized in that: One end of the first contact block (6) is connected to a first connecting line (7), and the other end of the first connecting line (7) is connected to an instrument.

3. A connection device for measuring electrical signals of a wind turbine according to claim 1, characterized in that: One end of the positioning rod (10) is in a round head shape.

4. A connection device for measuring electrical signals of a wind turbine according to claim 1, characterized in that: A guide groove (12) is provided on the inner side of the first telescopic cavity (9), and an integrally formed sliding block (13) is provided on the outer side of the anti-slip plate (11), and the guide groove (12) and the sliding block (13) are slidably connected to each other.

5. A connection device for measuring electrical signals of a wind turbine according to claim 1, characterized in that: One end of the second housing (16) is connected to a second connecting line (23), and one end of the second connecting line (23) is connected to a signal source connector (24).

Images