Collector ring carbon brush monitoring device

Abstract

The utility model discloses a collector ring carbon brush monitoring device, which is used for monitoring the state of a carbon brush assembly in real time, and comprises a brush holder assembly used for fixing the carbon brush assembly; the detection assembly is used for monitoring the state of the carbon brush assembly in real time; the signal transmission system is used for receiving a detection result of the detection assembly and transmitting the result; wherein the carbon brush assembly comprises a carbon brush, the detection assembly comprises a current detection mechanism and an abrasion detection mechanism, the current detection mechanism is used for detecting current of the carbon brush and transmitting a detection result to the signal transmission system, and the abrasion detection mechanism is used for detecting abrasion of the carbon brush and transmitting the detection result to the signal transmission system. And the detection result is transmitted to the signal transmission system. According to the utility model, the detection assembly is arranged on the brush holder assembly, the current and abrasion of the carbon brush are effectively detected, the detection result is transmitted to the signal transmission system, and the signal transmission system can wirelessly transmit the detection result to a receiving device.

Description

Technical Field

[0001] The utility model relates to the technical field of detection equipment, in particular to a slip ring carbon brush monitoring device. Background Art

[0002] The carbon brush, also called the brush, is a sliding contact part and is widely used in many electrical devices. The main materials used in the product of the carbon brush are graphite, impregnated graphite, and metal graphite. The carbon brush is a device for transmitting energy or signals between the fixed part and the rotating part of a motor, a generator, or other rotating machinery. It is generally made of pure carbon plus a solidifying agent, and its shape is generally a square block, which is stuck on a metal bracket, and there is a spring inside to press it tightly on the rotating shaft. When the motor rotates, electrical energy is transmitted to the coil through the commutator. Since its main component is carbon, it is called a carbon brush. It is easy to wear and should be maintained and replaced regularly, and the carbon deposit should be cleaned. The current distribution of the slip ring carbon brush is an important factor affecting the temperature rise of the slip ring and is also an important reference data for troubleshooting the operation problems of the slip ring on site. In recent years, users' attention to the operation and maintenance of slip rings has been continuously increasing, but there is a lack of accurate and stable measurement tools on site, and the manually measured data is relatively discrete, making it impossible to achieve real-time monitoring of current and carbon brush wear. Summary of the Invention

[0003] The purpose of the utility model is to solve the problem that the current and wear of the slip ring carbon brush in the prior art cannot be monitored in real time.

[0004] To achieve the above purpose, the utility model provides a slip ring carbon brush monitoring device for real-time monitoring of the state of the carbon brush assembly, including:

[0005] A brush holder assembly for fixing the carbon brush assembly;

[0006] A detection assembly arranged on the brush holder assembly for real-time monitoring of the state of the carbon brush assembly;

[0007] A signal transmission system arranged in the detection assembly for receiving the detection results of the detection assembly and transmitting the results;

[0008] Wherein, the carbon brush assembly includes a carbon brush, the detection assembly includes a current detection mechanism and a wear detection mechanism, the current detection mechanism is used to detect the current of the carbon brush and transmit the detection result to the signal transmission system, and the wear detection mechanism is used to detect the wear of the carbon brush and transmit the detection result to the signal transmission system.

[0009] According to another specific embodiment of the present utility model, the brush holder assembly includes an insulating handle and a handle shaft. One end of the insulating handle is connected to the handle shaft. A conductive slip ring is provided on the handle shaft. A brush holder body is provided on the handle shaft. A carbon brush box is provided on the brush holder body, and the carbon brush box is used to limit the carbon brush.

[0010] According to another specific embodiment of the present utility model, the carbon brush assembly includes a wire tube, a conductive plate, and a coil spring. The coil spring is located at one end of the carbon brush, and the coil spring can push the carbon brush to slide in the carbon brush box. The wire tube connects the carbon brush and the conductive plate, and the conductive plate is connected to the current detection mechanism.

[0011] According to another specific embodiment of the present utility model, the detection assembly includes an outer shell and an inner shell. The inner shell is sleeved inside the outer shell. An abrasion groove is provided on the outer shell on one side of the carbon brush. An abrasion detection mechanism is provided in the abrasion groove. The abrasion detection mechanism includes a laser detection head for detecting the distance from the carbon brush.

[0012] According to another specific embodiment of the present utility model, a current groove is provided on the inner shell, and a current detection mechanism is provided in the current groove. The conductive plate is in a "U" shape. One end of the conductive plate is located above the detection assembly and is connected to the wire tube, and the other end passes through the current groove and is connected to the current detection mechanism and the end is connected to the carbon brush box, for guiding the carbon brush current to the current detection mechanism and fixing the detection assembly. "U" - shaped grooves are respectively provided on the outer shell and the inner shell below corresponding to the conductive slip ring, and the detection assembly is located above the conductive slip ring.

[0013] According to another specific embodiment of the present utility model, the detection assembly includes a horizontally arranged current plate and a vertically arranged abrasion plate. One end of the current plate is connected to the abrasion plate to form a right - angled plate. An abrasion groove is provided on the abrasion plate on one side of the carbon brush. An abrasion detection mechanism is provided in the abrasion groove. The abrasion detection mechanism includes a laser detection head for detecting the distance from the carbon brush. "U" - shaped grooves are respectively provided on the abrasion plate below corresponding to the conductive slip ring, and the detection assembly is located above the conductive slip ring.

[0014] According to another specific embodiment of the present utility model, a current groove is provided on the current plate, and a current detection mechanism is provided in the current groove. The conductive plate is located above the current groove and is connected to the current detection mechanism.

[0015] According to another specific embodiment of the present utility model, the brush holder assembly includes a pressing handle and a carbon brush box. One end of the pressing handle is hinged to the carbon brush box. A return spring is arranged above the carbon brush box and connected to the pressing handle. A carbon brush is arranged in the carbon brush box, and a spring sleeve is arranged at one end of the carbon brush box.

[0016] According to another specific embodiment of the present utility model, the carbon brush assembly includes a wire tube and a carbon brush spring. The wire tube connects the carbon brush and the current detection mechanism. The carbon brush spring is located inside the spring sleeve. The carbon brush spring connects the wear detection mechanism and the carbon brush, and is used to push the carbon brush to slide inside the carbon brush box.

[0017] According to another specific embodiment of the present utility model, the detection assembly includes a current box and a wear box. The current box is located on the pressing handle, and the current detection mechanism is located inside the current box. The wear box is located at one end of the spring sleeve, and a laser detection head is arranged inside the wear box. The laser detection head faces one side of the carbon brush and is used to detect the distance from the carbon brush.

[0018] Advantageous Effects

[0019] The present utility model provides a collector ring carbon brush monitoring device, which has the following advantageous effects:

[0020] 1. By arranging the detection assembly on the brush holder assembly, the present utility model can effectively detect the current and wear of the carbon brush without affecting the function of the carbon brush, and transmit the detection results to the signal transmission system. The signal transmission system can wirelessly transmit the detection results to the receiving device.

[0021] 2. The detection assembly of the present utility model is designed according to the structure of the brush holder assembly and the number of carbon brushes to be detected, and can be directly installed on the matching brush holder assembly, which can quickly transform the original equipment and save production costs. Description of the Drawings

[0022] The attached drawings forming a part of this application are used to provide a further understanding of the present utility model. The schematic embodiments and descriptions thereof of the present utility model are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0023] Figure 1 Schematically shows a three-dimensional view of a four-hole structure of a collector ring carbon brush monitoring device of the present utility model;

[0024] Figure 2 Schematically shows a side view of a four-hole structure of a collector ring carbon brush monitoring device of the present utility model;

[0025] Figure 3Schematically shows a top view of the four-hole structure of a collector ring carbon brush monitoring device of the present utility model;

[0026] Figure 4 Schematically shows a bottom view of the four-hole structure of a collector ring carbon brush monitoring device of the present utility model;

[0027] Figure 5 Schematically shows a four-hole detection component of a collector ring carbon brush monitoring device of the present utility model;

[0028] Figure 6 Schematically shows an inner housing of the four-hole of a collector ring carbon brush monitoring device of the present utility model;

[0029] Figure 7 Schematically shows a three-dimensional view of the six-hole structure of a collector ring carbon brush monitoring device of the present utility model;

[0030] Figure 8 Schematically shows a side view of the six-hole structure of a collector ring carbon brush monitoring device of the present utility model;

[0031] Figure 9 Schematically shows a top view of the six-hole structure of a collector ring carbon brush monitoring device of the present utility model;

[0032] Figure 10 Schematically shows a six-hole detection component of a collector ring carbon brush monitoring device of the present utility model;

[0033] Figure 11 Schematically shows a three-dimensional view of the single-handle structure of a collector ring carbon brush monitoring device of the present utility model;

[0034] Figure 12 Schematically shows a side view of the single-handle structure of a collector ring carbon brush monitoring device of the present utility model;

[0035] Figure 13 Schematically shows a single-handle wear box of a collector ring carbon brush monitoring device of the present utility model;

[0036] Figure 14 Schematically shows a single-handle current box of a collector ring carbon brush monitoring device of the present utility model.

[0037] Reference numerals in the figure: 1 is a carbon brush assembly, 11 is a carbon brush, 12 is a coil spring, 13 is a wire tube, 14 is a conductive plate, 2 is a brush holder assembly, 21 is an insulating handle, 22 is a handle shaft, 23 is a conductive slip ring, 24 is a brush holder body, 25 is a carbon brush box, 3 is a detection component, 31 is an outer housing, 32 is an inner housing, 33 is a wear groove, 34 is a current groove, 41 is a wear plate, 42 is a current plate, 51 is a wear box, 52 is a current box, 6 is a pressing handle, 61 is a spring sleeve, 62 is a carbon brush spring, 63 is a return spring. Detailed implementation manners

[0038] The following specific embodiments illustrate the implementation manners of the present utility model. Those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification. Although the description of the present utility model will be introduced in conjunction with preferred embodiments, this does not mean that the features of this utility model are limited to this implementation manner. On the contrary, the purpose of introducing the utility model in conjunction with the implementation manner is to cover other alternatives or modifications that may be extended based on the claims of the present utility model. In order to provide a deep understanding of the present utility model, many specific details will be included in the following description. The present utility model can also be implemented without these details. In addition, in order to avoid confusing or obscuring the key points of the present utility model, some specific details will be omitted in the description. It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other.

[0039] In the description of this embodiment, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "bottom", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use. It is only for the convenience of describing the present 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 to the present utility model.

[0040] The terms "first", "second", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0041] In the description of this embodiment, it should also be noted that unless otherwise clearly specified and limited, the terms "provided with", "set", "connected", "connected to" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this embodiment can be understood according to specific situations.

[0042] As Figures 1 to 12 shown, a collector ring carbon brush monitoring device is used to monitor the state of the carbon brush assembly 1 in real time. It is characterized by including:

[0043] A brush holder assembly 2 for fixing the carbon brush assembly 1;

[0044] A detection assembly 3 provided on the brush holder assembly 2 for monitoring the state of the carbon brush assembly 1 in real time;

[0045] A signal transmission system is disposed within the detection component 3 and is used to receive the detection results of the detection component 3 and transmit the results.

[0046] Among them, the carbon brush component 1 includes a carbon brush 11. The detection component 3 includes a current detection mechanism and a wear detection mechanism. The current detection mechanism is used to detect the current of the carbon brush 11 and transmit the detection result to the signal transmission system. The wear detection mechanism is used to detect the wear of the carbon brush 11 and transmit the detection result to the signal transmission system.

[0047] That is to say, the detection device is composed of a carbon brush component 1, a brush holder component 2, a detection component 3, and a signal transmission system. The carbon brush component 1 and the detection component 3 are both arranged on the brush holder component 2. The brush holder component 2 can fix the carbon brush component 1 so that it can transfer energy or signals between the fixed part and the rotating part of a motor, a generator, or other rotating machinery. The detection component 3 can detect the current of the carbon brush 11 and the wear of the carbon brush 11 in the carbon brush component 1.

[0048] Furthermore, the signal transmission system is arranged within the detection component 3. The detection results of the detection component 3 are transmitted to the signal transmission system, and the signal transmission system performs wireless or wired transmission on the results. When the detection component 3 detects that the wear of the carbon brush 11 is large, the signal transmission system can also give an alarm to remind the operation and maintenance personnel to replace the carbon brush 11.

[0049] In addition, the detection component 3 is composed of a current detection mechanism and a wear detection mechanism. The current detection mechanism can detect the magnitude of the current in the carbon brush 11 and transmit the detection result to the signal transmission system. The wear detection mechanism can detect the wear amount of the carbon brush 11 and transmit the detection result to the signal transmission system.

[0050] It should be noted that the detection device of the present application can monitor the state of the carbon brush component 1 in real time, including but not limited to the current, wear amount, installation position, and installation angle of the carbon brush.

[0051] It should be noted that the present application does not limit the specific structure of the brush holder component 2, and it can be reasonably selected according to the actual situation as long as it can achieve the fixation of the carbon brush component 1 and the detection component 3.

[0052] Specifically, as Figures 1 to 10 shown, in this embodiment, the brush holder component 2 includes an insulating handle 21 and a handle shaft 22. One end of the insulating handle 21 is connected to the handle shaft 22. A conductive slip ring 23 is provided on the handle shaft 22. A brush holder body 24 is provided on the handle shaft 22. A carbon brush box 25 is provided on the brush holder body 24, and the carbon brush box 25 is used to limit the carbon brush 11.

[0053] That is to say, the brush holder assembly 2 is composed of an insulating handle 21 and a handle shaft 22. The insulating handle 21 is a "D"-shaped handle 21. One end of the insulating handle 21 is connected to the handle shaft 22. A conductive slip ring 23 and a brush holder body 24 are provided on the handle shaft 22. A carbon brush box 25 is provided on the brush holder body 24. The carbon brush box 25 can limit the carbon brush 11, enabling the carbon brush 11 to slide within the carbon brush box 25.

[0054] Furthermore, in this embodiment, the conductive slip ring 23 is arranged on the handle shaft 22 to prevent relevant wires from being worn or even pulled off when the handle 21 rotates (twists), and can also prevent sparks from generating at the contact part.

[0055] It should be noted that the specific structure of the carbon brush assembly 1 in this application is not limited and can be reasonably selected according to actual situations, as long as it can achieve the transfer of energy or signals between the fixed part and the rotating part of a motor, a generator, or other rotating machinery.

[0056] Specifically, as Figures 1 to 10 shown, in this embodiment, the carbon brush assembly 1 includes a wire tube 13, a conductive plate 14, and a coil spring 12. The coil spring 12 is located at one end of the carbon brush 11. The coil spring 12 can push the carbon brush 11 to slide within the carbon brush box 25. The wire tube 13 connects the carbon brush 11 and the conductive plate 14, and the conductive plate 14 is connected to the current detection mechanism.

[0057] That is to say, the carbon brush assembly 1 is composed of a wire tube 13, a conductive plate 14, and a coil spring 12. The carbon brush 11 is slidably arranged within the carbon brush box 25. The coil spring 12 is arranged at one end of the carbon brush 11 and has a certain elastic force to push the carbon brush 11, enabling the carbon brush 11 to remain in contact with a motor, a generator, or other rotating machinery. The carbon brush 11 is connected to the conductive plate 14 through the wire tube 13, and can conduct the current on the carbon brush 11 to the current detection mechanism to detect the current of the carbon brush 11 through the current detection mechanism.

[0058] It should be noted that the specific structure of the detection assembly 3 in this application is not limited and can be reasonably selected according to actual situations, as long as it can achieve the detection of the current and wear of the carbon brush 11.

[0059] Specifically, as Figures 1 to 6As shown in the figure, in this embodiment, the detection component 3 includes an outer housing 31 and an inner housing 32. The inner housing 32 is sleeved inside the outer housing 31. An abrasion groove 33 is formed on the outer housing 31 on one side of the carbon brush 11. An abrasion detection mechanism is arranged in the abrasion groove 33. The abrasion detection mechanism includes a laser detection head for detecting the distance from the carbon brush 11. An electric current groove 34 is arranged on the inner housing 32. An electric current detection mechanism is arranged in the electric current groove 34. The conductive plate 14 is in a "U" shape. One end of the conductive plate 14 is located above the detection component 3 and is connected to the wire tube 13. The other end passes through the electric current groove 34 and is connected to the electric current detection mechanism and the end is connected to the carbon brush box 25, for guiding the current of the carbon brush 11 to the electric current detection mechanism and fixing the detection component 3. "U" shaped grooves are formed below the outer housing 31 and the inner housing 32 corresponding to the conductive slip ring 23. The detection component 3 is located above the conductive slip ring 23.

[0060] That is to say, the detection component 3 is composed of an outer housing 31 and an inner housing 32. The outer housing 31 is sleeved outside the inner housing 32. An abrasion groove 33 is arranged on the outer housing 31 on the side close to the carbon brush 11. The abrasion groove 33 is arranged corresponding to the carbon brush 11. An abrasion detection mechanism is arranged in the abrasion groove 33. The abrasion detection mechanism includes a laser detection head. The laser detection head is arranged facing the carbon brush 11 and can detect the distance between the laser detection head and the carbon brush 11, so as to detect the abrasion amount of the carbon brush 11.

[0061] In addition, an electric current groove 34 is arranged in the inner housing 32. The electric current groove 34 is circular. An electric current detection mechanism is arranged in the electric current groove 34. The conductive plate 14 is in a U shape. One end of the conductive plate 14 is connected to the wire tube 13. The other end vertically passes through the electric current groove 34 and is connected to the electric current detection mechanism and the end is connected to the carbon brush box 25 through a bolt. The middle part of the conductive plate 14 is located outside the detection component 3 to fix the detection component 3 and guide the current of the carbon brush 11 into the electric current detection mechanism. The electric current of the carbon brush 11 is detected by the electric current detection mechanism. U shaped grooves are formed at the lower parts of the outer housing 31 and the inner housing 32, which is convenient for arranging the outer housing 31 and the inner housing 32 on the guiding slip ring.

[0062] Furthermore, in this embodiment, the detection component 3 includes four groups of electric current detection mechanisms and abrasion detection mechanisms, mainly aiming at the current and abrasion detection mechanisms of the four carbon brush components 1. Without affecting the function of the carbon brush 11, it can be installed on the matching brush holder component 2 and effectively detect the current and abrasion of the carbon brush 11.

[0063] Such as Figures 7 to 10As shown, in another embodiment, the detection component 3 includes a horizontally arranged current plate 42 and a vertically arranged wear plate 41. One end of the current plate 42 is connected to the wear plate 41 to form a right-angle plate. On the wear plate 41, a wear groove 33 is provided on one side of the carbon brush 11. The wear detection mechanism is provided in the wear groove 33. The wear detection mechanism includes a laser detection head for detecting the distance from the carbon brush 11. "U"-shaped grooves are respectively formed below the wear plate 41 corresponding to the slip rings 23. The detection component 3 is located above the slip rings 23. A current groove 34 is provided on the current plate 42. A current detection mechanism is provided in the current groove 34. The conductive plate 14 is located above the current groove 34 and is connected to the current detection mechanism.

[0064] That is to say, in another embodiment, the detection component 3 is composed of a current plate 42 and a wear plate 41. The current plate 42 and the wear plate 41 are perpendicularly arranged to each other. A wear groove 33 is provided on the wear plate 41 close to one side of the carbon brush 11. The wear detection mechanism is provided in the wear groove 33. The wear detection mechanism includes a laser detection head. The laser detection head is arranged facing the carbon brush 11 and can detect the distance between the laser detection head and the carbon brush 11, so as to detect the wear amount of the carbon brush 11. "U"-shaped grooves are formed below the wear plate 41, enabling the detection component 3 to be placed on the slip rings 23.

[0065] In addition, a current groove 34 is provided in the current plate 42. The current groove 34 is circular. A current detection mechanism is provided in the current groove 34. A conductive plate 14 is connected above the current groove 34. One end of the conductive plate 14 is connected to a wire tube 13 for guiding the current in the carbon brush 11 into the current detection mechanism.

[0066] Further, in this embodiment, the detection component 3 includes six groups of current detection mechanisms and wear detection mechanisms, mainly aiming at the current and wear detection mechanisms of the six carbon brush assemblies 1. Without affecting the function of the carbon brush 11, it can be installed on the matching brush holder assembly 2 and effectively detect the current and wear of the carbon brush 11.

[0067] As Figures 11 to 12 shown, in other embodiments, the brush holder assembly 2 includes a pressing handle 6 and a carbon brush box 25. One end of the pressing handle 6 is hinged to the carbon brush box 25. A return spring 63 is provided above the carbon brush box 25 and is connected to the pressing handle 6. The carbon brush 11 is provided in the carbon brush box 25. One end of the carbon brush box 25 is provided with a spring sleeve 61. The carbon brush assembly 1 includes a wire tube 13 and a carbon brush spring 62. The wire tube 13 connects the carbon brush 11 and the current detection mechanism. The carbon brush spring 62 is located in the spring sleeve 61. The carbon brush spring 62 connects the wear detection mechanism and the carbon brush 11 for pushing the carbon brush 11 to slide in the carbon brush box 25.

[0068] That is to say, the brush holder assembly 2 is composed of a pressing handle 6 and a carbon brush box 25. The pressing handle 6 is hinged to the carbon brush box 25. A return spring 63 is provided above the carbon brush box 25, which can reset the pressing handle 6. A carbon brush 11 is provided in the carbon brush box 25. One end of the carbon brush box 25 is connected to a spring sleeve 61. The carbon brush assembly 1 is composed of a wire tube 13 and a carbon brush spring 62. The carbon brush spring 62 is provided in the spring sleeve 61. The carbon brush spring 62 can push the carbon brush 11 to keep the carbon brush 11 in contact with a motor or a generator or other rotating machinery. A wear detection mechanism is connected to one end of the carbon brush spring 62. The wear detection mechanism can detect the wear amount of the carbon brush 11. The wire tube 13 connects the carbon brush 11 and the current detection mechanism, and is used to guide the current of the carbon brush 11 into the current detection mechanism.

[0069] Specifically, as Figures 11 to 14 shown, in other embodiments, the detection assembly 3 includes a current box 52 and a wear box 51. The current box 52 is located on the pressing handle 6. The current detection mechanism is located in the current box 52. The wear box 51 is located at one end of the spring sleeve 61. A laser detection head is provided in the wear box 51. The laser detection head faces the side of the carbon brush 11 and is used to detect the distance from the carbon brush 11.

[0070] That is to say, the detection assembly 3 is composed of a current box 52 and a wear box 51. The current box 52 is arranged on the pressing handle 6. A current detection mechanism is provided in the current box 52, which can detect the current of the carbon brush 11. The wear box 51 is arranged at one end of the spring sleeve 61. A wear detection mechanism is provided in the wear box 51. The wear detection mechanism includes a laser detection head. The laser detection head faces the carbon brush 11 and can detect the distance between the laser detection head and the carbon brush 11.

[0071] Generally speaking, the present application provides a slip ring carbon brush monitoring device. The detection assembly 3 is installed on the brush holder assembly 2. The detection assembly 3 with different results is reasonably set according to the number of carbon brushes 11, so that the detection assembly 3 can be installed on the matching brush holder assembly 2 without affecting the function of the carbon brush 11, and can effectively detect the current and wear of the carbon brush 11. The detection assembly 3 is composed of a wear detection mechanism and a current detection mechanism. The wear detection mechanism measures the wear amount of the carbon brush 11 by the principle of laser ranging. The current detection mechanism adopts a scheme for indirectly measuring large current direct current to detect the current of the carbon brush 11. The detection result of the detection assembly 3 is transmitted to the signal transmission system. The signal transmission system will trigger an alarm when the received wear amount of the carbon brush 11 reaches a specific value. The signal transmission system can transmit the received detection assembly 3 in a wired or wireless manner.

[0072] In summary, the above embodiments provided by the present utility model only exemplarily illustrate the principles and effects of the present utility model, rather than being used to limit the present utility model. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the present utility model. Therefore, all equivalent modifications or changes completed by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed by the present utility model should still be covered by the claims of the present utility model.

Claims

1. A collector ring carbon brush monitoring device, used for real-time monitoring of the status of the carbon brush assembly, characterized in that: include: A brush holder assembly, used for fixing the carbon brush assembly; A detection component, disposed on the brush holder component, for monitoring the status of the carbon brush component in real time; A signal transmission system, disposed in the detection component, for receiving the detection result of the detection component and transmitting the result; Wherein, the carbon brush assembly includes a carbon brush, and the detection assembly includes a current detection mechanism and a wear detection mechanism. The current detection mechanism is used to detect the current of the carbon brush and transmit the detection result to the signal transmission system, and the wear detection mechanism is used to detect the wear of the carbon brush and transmit the detection result to the signal transmission system.

2. The collector ring carbon brush monitoring device according to claim 1, characterized in that: The brush holder assembly includes an insulating handle and a handle shaft, one end of the insulating handle is connected to the handle shaft, a conductive slip ring is provided on the handle shaft, a brush holder frame is provided on the handle shaft, a carbon brush box is provided on the brush holder frame, and the carbon brush box is used to limit the carbon brush.

3. The collector ring carbon brush monitoring device according to claim 2, characterized in that: The carbon brush assembly includes a wire tube, a conductive plate and a coil spring, wherein the coil spring is located at one end of the carbon brush and can push the carbon brush to slide in the carbon brush box, the wire tube connects the carbon brush and the conductive plate, and the conductive plate is connected to the current detection mechanism.

4. The collector ring carbon brush monitoring device according to claim 3, characterized in that: The detection component includes an outer shell and an inner shell, the inner shell is sleeved in the outer shell, a wear groove is opened on the outer shell on one side of the carbon brush, the wear detection mechanism is arranged in the wear groove, and the wear detection mechanism includes a laser detection head for detecting the distance between the outer shell and the carbon brush.

5. The collector ring carbon brush monitoring device according to claim 4, characterized in that: A current slot is provided on the inner shell, and the current detection mechanism is provided in the current slot. The conductive plate is "U"-shaped. One end of the conductive plate is located above the detection component and connected to the wire tube, and the other end passes through the current slot and is connected to the current detection mechanism. The end is connected to the carbon brush box for guiding the carbon brush current to the current detection mechanism and fixing the detection component. "U"-shaped slots are provided at the lower parts of the outer shell and the inner shell corresponding to the conductive slip ring, and the detection component is located above the conductive slip ring.

6. The collector ring carbon brush monitoring device according to claim 3, characterized in that: The detection assembly includes a horizontally arranged current plate and a vertically arranged wear plate, one end of the current plate is connected to the wear plate to form a right-angle plate, a wear groove is provided on the wear plate on one side of the carbon brush, the wear detection mechanism is provided in the wear groove, the wear detection mechanism includes a laser detection head for detecting the distance between the wear plate and the carbon brush, a "U"-shaped groove is provided below the wear plate corresponding to the conductive slip ring, and the detection assembly is located above the conductive slip ring.

7. The collector ring carbon brush monitoring device according to claim 6, characterized in that: The current plate is provided with a current slot, a current detection mechanism is provided in the current slot, and the conductive plate is located above the current slot and connected to the current detection mechanism.

8. The collector ring carbon brush monitoring device according to claim 1, characterized in that: The brush holder assembly includes a pressing handle and a carbon brush box. One end of the pressing handle is hinged to the carbon brush box. A return spring is provided above the carbon brush box and connected to the pressing handle. A carbon brush is provided in the carbon brush box. A spring sleeve is provided at one end of the carbon brush box.

9. The collector ring carbon brush monitoring device according to claim 8, characterized in that: The carbon brush assembly includes a wire tube and a carbon brush spring. The wire tube connects the carbon brush and the current detection mechanism. The carbon brush spring is located in the spring sleeve. The carbon brush spring connects the wear detection mechanism and the carbon brush and is used to push the carbon brush to slide in the carbon brush box.

10. The collector ring carbon brush monitoring device according to claim 9, characterized in that: The detection component includes a current box and a wear box. The current box is located on the pressing handle. The current detection mechanism is located in the current box. The wear box is located at one end of the spring sleeve. A laser detection head is provided in the wear box. The laser detection head faces one side of the carbon brush and is used to detect the distance between the carbon brush and the wear box.

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