Multi-channel rotor fluorescent optical fiber temperature measurement module

Abstract

The utility model discloses a multi-channel rotor fluorescence optical fiber temperature measurement module, and relates to the technical field of fluorescence detection. A multi-channel rotor fluorescence optical fiber temperature measurement module comprises a plurality of fluorescence signal measurement modules which are distributed at all positions of a rotor. Each fluorescence signal measuring module is connected with a plurality of fluorescence optical fiber probes to form a plurality of channels; and each fluorescence signal measurement module is connected to the optical communication module through an optical fiber for transmitting and receiving data.

Description

Technical Field

[0001] The utility model relates to the technical field of optical communication, in particular to a multi-channel rotor fluorescent optical fiber temperature measurement module. Background Art

[0002] Since the rotor is in a state of continuous rotation, how to transmit the rotor temperature measurement data to the host computer while the rotor is in a state of continuous rotation has always been one of the difficulties in the industry.

[0003] The commonly used rotor temperature measurement data transmission methods now use wireless telemetry and high-speed slip ring methods. The wireless telemetry method is susceptible to electromagnetic interference, and the high-speed slip ring method is prone to wear. The applicant has filed a Chinese patent application with application number 2024209826726 - a rotor fluorescent fiber temperature measurement system; it relies on an optical communication module to transmit temperature measurement data to a host computer, and because it uses fluorescent fiber as a probe, it avoids the data transmission problem in the prior art.

[0004] The applicant has made further technical optimization and updates based on the original rotor fluorescence temperature measurement technology. Utility Model Content

[0005] The utility model aims to provide a multi-channel rotor fluorescent optical fiber temperature measurement module, which increases the number of channels but reduces the probability of being interfered with.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0007] A multi-channel rotor fluorescent fiber optic temperature measurement module includes a plurality of fluorescent signal measurement modules, which are distributed at various locations on the rotor; each fluorescent signal measurement module is connected to a plurality of fluorescent fiber optic probes to form a plurality of channels; each fluorescent signal measurement module is connected to an optical communication module via an optical fiber for data transmission and reception.

[0008] As a preferred technical solution, the fluorescence signal measurement module is arranged inside the rotor.

[0009] As a preferred technical solution, the fluorescence signal measurement module includes a housing with a cavity; a plurality of longitudinal PCB rails are arranged in the cavity, two adjacent PCB rails are parallel, and a photoelectric module PCB and a signal modulation module PCB are respectively mounted on the plurality of PCB rails; one of the PCB rails is used to mount the signal modulation module PCB, and the remaining plurality of PCB rails are used to mount the photoelectric module PCB;

[0010] The backplane PCB is assembled on several PCB rails. The optoelectronic module PCB is arranged vertically, and the backplane PCB is arranged horizontally;

[0011] Several optoelectronic module PCBs are vertically plugged into the backplane PCB; the signal modulation module PCB is vertically plugged into the backplane PCB;

[0012] The photoelectric module PCB is equipped with a photoelectric module for emitting laser and detecting fluorescence lifetime; the signal modulation module PCB is equipped with a signal modulation module for issuing laser emission control instructions and fluorescence lifetime data processing.

[0013] As a preferred technical solution, the shell is detachably connected with a pad, and the pad clamps the optoelectronic module PCB or the signal modulation module PCB.

[0014] As a preferred technical solution, both sides of the middle of each PCB guide rail are provided with bayonet holes; two pads are respectively placed in the two bayonet holes, and the two pads clamp the optoelectronic module PCB or the signal modulation module PCB.

[0015] As a preferred technical solution, an FC interface is also connected to the signal modulation module PCB.

[0016] As a preferred technical solution, a female plug-in component is provided on the optoelectronic module PCB and the signal modulation module PCB; and a male plug-in component is provided on the backplane PCB.

[0017] As a preferred technical solution, support platforms located outside the PCB guide rails are provided on corresponding sides of the shell; a pressure strip is threadedly connected to the support platform, and the pressure strip is located between the shell and the optoelectronic module PCB and the signal modulation module PCB.

[0018] As a preferred technical solution, an insulating pad is installed on the back plate and located between the back plate and the shell.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] The structural design of the utility model arranges the fluorescence signal measurement module at various places of the rotor. Compared with the prior art that arranges it at the end surface, more modules can be arranged and more measurement channels can be realized. The wiring at the end of the rotor is lowered, and there are fewer lines at the end of the rotor, which has less interference with the optical communication module.

[0021] Multiple laser channels are grouped together, and each group is connected to the optical communication module through an optical fiber to complete information interaction with the host computer. The overall number of laser channels used for temperature measurement is large, and transmitting signals to the optical communication module through optical fiber reduces electromagnetic interference.

[0022] In the utility model, each PCB is installed by means of a PCB guide rail, so that the overall structure is convenient to assemble and disassemble, easy to maintain, and suitable for detection in complex environments such as rotors. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1This is a layout effect diagram of the fluorescence signal measurement module in the present utility model.

[0024] Figure 2 It is a schematic diagram of the internal structure of the shell in the present utility model.

[0025] Figure 3 It is a schematic diagram of the internal three-dimensional structure of the shell in the present utility model.

[0026] The reference numerals are as follows: 1-housing, 2-PCB rail, 3-photoelectric module PCB, 4-photoelectric module, 5-signal modulation module PCB, 6-signal modulation module, 7-backplane PCB, 8-plug-in female part, 9-plug-in male part, 10-pressing strip, 11-FC interface, 12-insulating pad. 13-fluorescence signal measurement module, 14-rotor, 15-optical communication module. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0028] On the contrary, the present application covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present application as defined by the claims. Further, in order to make the public have a better understanding of the present application, some specific details are described in detail in the detailed description of the present application below. Those skilled in the art can fully understand the present application without the description of these details.

[0029] Example 1

[0030] In the original design of the applicant, the fluorescence signal measurement module is arranged on the rotor and placed in a housing close to the wireless optical communication module, and is centrally placed. Due to the centralized location, the number of measurable channels is limited.

[0031] In the present invention, the fluorescence signal measurement module is changed to be fully distributed, such as Figure 1 As shown, several fluorescence signal measurement modules are completely arranged on the rotor. Several optical channels are grouped together, and there are multiple groups. Each group of optical channels corresponds to an optical communication device.

[0032] For example, every 12 channels together, a total of 6 groups, each group output through one optical fiber. In this way, the 6 optical fibers are combined together to send and receive data in the wireless optical communication module.

[0033] As a preferred method, every 20 channels are grouped together, a total of 6 groups, each group is output through an optical fiber. In this way, the 6 optical fibers are combined together to send and receive data in the wireless optical communication module.

[0034] As a preferred method, 32 channels are combined into 6 groups, each of which is output through one optical fiber. In this way, the 6 optical fibers are combined together to send and receive data in the wireless optical communication module.

[0035] Based on the above purposes and effects, this embodiment provides a structure of a multi-channel rotor fluorescent fiber optic temperature measurement module.

[0036] like Figure 1 As shown, a multi-channel rotor fluorescent fiber temperature measurement module includes a plurality of fluorescent signal measurement modules, which are distributed at various locations of the rotor. Each fluorescent signal measurement module is connected to a plurality of fluorescent fiber probes to form a plurality of channels.

[0037] Each fluorescence signal measurement module is connected to the optical communication module via an optical fiber for data transmission and reception.

[0038] like Figure 2-3 As shown, the fluorescence signal measurement module includes a housing 1; the housing 1 includes an upper cover, a lower cover, and a window panel; the upper cover and the lower cover are detachably connected by bolts, and the front side of the upper cover is bolted to the window panel. The upper cover, the lower cover, and the window panel together form a housing 1 with a cavity inside.

[0039] A plurality of longitudinal PCB rails 2 are arranged in the cavity, and two adjacent PCB rails 2 are parallel to each other. The optoelectronic module PCB 3 and the signal modulation module PCB 5 are respectively mounted on the plurality of PCB rails 2. One of the PCB rails 2 is used to mount the signal modulation module PCB 5, and the remaining plurality of PCB rails 2 are used to mount the optoelectronic module PCB 3.

[0040] The backplane PCB 7 is assembled on a plurality of PCB rails 2. The optoelectronic module PCB 3 is arranged longitudinally, and the backplane PCB 7 is arranged transversely.

[0041] In order to stably assemble the optoelectronic module PCB3, both sides of the middle of each PCB guide rail 2 are provided with bayonet holes, and pads are placed in the bayonet holes, and the pads are provided with countersunk holes. When assembling the optoelectronic module PCB3, first slide the optoelectronic module PCB3 on the guide rail to install it in place, then put two pads into the two bayonet holes respectively, clamp the optoelectronic module PCB3 or the signal modulation module PCB5 with the two pads, and then fasten the pads to the lower cover with countersunk screws.

[0042] In order to stably assemble the backplane PCB7, each PCB rail 2 is provided with a placement slot on the front side; the backplane PCB7 is placed in the placement slots of several PCB rails 2, and the backplane PCB7 is provided with a plug-in slot; several optoelectronic module PCB3 are vertically plugged with the backplane PCB7; the line conduction between the optoelectronic module PCB3 and the backplane PCB7 is realized. The signal modulation module PCB5 is vertically plugged with the backplane PCB7; the line conduction between the signal modulation module PCB and the backplane PCB7 is realized.

[0043] The photoelectric module PCB3 is installed with a photoelectric module 4 on both the front and back sides, and the lower cover is provided with an avoidance hole for the photoelectric module 4 interface, which is convenient for the connection between the photoelectric module 4 and the fluorescent fiber probe. The fluorescent signal collected by the photoelectric module 4 is transmitted to the signal modulation module 6 for data conversion processing through the conductive photoelectric module PCB3 and the signal modulation module PCB5; the signal modulation module PCB5 is also connected with the FC interface 11, and the signal modulation module 6 is connected with the FC interface 11 line, and the collected fluorescent signal is processed and transmitted to the optical communication module connected to the FC interface 11, and finally output to the host computer through the optical communication module in an optical communication manner.

[0044] Specifically, the photoelectric module 4 includes a multi-channel laser control circuit and a multi-channel photoelectric detection circuit. The multi-channel laser control circuit includes a laser and its control circuit. The laser emits laser light to the fluorescent fiber probe arranged on the surface of the rotor, and multiple laser channels are formed between the multiple lasers and the corresponding fluorescent fiber probes; the multi-channel photoelectric detection circuit includes multiple photoelectric detectors and their detection circuits, and the detectors correspond to the multiple laser channels one by one.

[0045] The signal modulation module 6 includes a single chip microcomputer and a signal processing module and a communication module connected to the single chip microcomputer; the signal modulation module 6 receives instructions through the FC interface 11 and sends a control signal to control the laser to emit laser; the fluorescence lifetime data detected by the photodetector is sent to the signal modulation module 6 for calculation and processing and then output through the FC interface 11.

[0046] In this embodiment, the multiple laser channels correspond to the multiple fluorescent fiber optic probes, and the data collected by the multiple probes are output through one optical fiber.

[0047] Five fluorescence signal measurement modules are set, and the five fluorescence signal measurement modules are connected to the wireless optical communication module to transmit and receive data with the host computer.

[0048] In some feasible embodiments, a female plug-in component 8 is provided on the optoelectronic module PCB3 and the signal modulation module PCB5; a male plug-in component 9 is provided on the backplane PCB7 to achieve connection.

[0049] In some feasible embodiments, support platforms located outside the PCB guide rail 2 are provided on corresponding sides of the upper cover; a pressure strip 10 is threadedly connected to the support platform, and the pressure strip 10 is located between the lower cover and the optoelectronic module PCB3 and the signal modulation module PCB5.

[0050] In some feasible embodiments, an insulating pad 12 is installed on the back plate 7 and is located between the back plate 7 and the window panel of the shell 1.

[0051] In some feasible embodiments, ear plates integrally formed therewith are provided at the four corners of the lower cover, and countersunk holes are provided on the ear plates for mounting the entire module to a designated position on the rotor.

[0052] In this embodiment, the fluorescence signal measurement modules are arranged at various locations of the rotor. Compared with the original technology that is arranged on the end surface, more modules can be arranged, and more measurement channels can be realized. The wiring at the end of the rotor is lowered, and there are fewer lines at the end of the rotor, which is equivalent to being transmitted to the optical communication module in a 20:1 manner. In this embodiment, each fluorescence signal measurement module has 20 channels, and ultimately only one optical fiber is needed to transmit to the optical communication module. Assume that there are five fluorescence signal measurement modules. Then, for 100 channels, only five optical fibers are needed to transmit to the optical communication module at the end, reducing interference.

[0053] It is worth noting that, based on the above structural design, in order to solve the same technical problem, even if some insubstantial improvements are made on the present invention, they also fall within the protection scope of the present invention.

Claims

1. A multi-channel rotor fluorescent optical fiber temperature measurement module, characterized in that: It includes several fluorescence signal measurement modules, which are distributed in various parts of the rotor; each fluorescence signal measurement module is connected to several fluorescence fiber probes to form multiple channels; each fluorescence signal measurement module is connected to an optical communication module through an optical fiber for data transmission and reception.

2. A multi-channel rotor fluorescent optical fiber temperature measurement module according to claim 1, characterized in that: The fluorescence signal measurement module is arranged inside the rotor.

3. A multi-channel rotor fluorescent optical fiber temperature measurement module according to claim 1, characterized in that: The fluorescence signal measurement module includes a shell with a cavity; a plurality of longitudinal PCB rails are arranged in the cavity, two adjacent PCB rails are parallel, and a photoelectric module PCB and a signal modulation module PCB are respectively mounted on the plurality of PCB rails; one of the PCB rails is used to mount the signal modulation module PCB, and the remaining plurality of PCB rails are used to mount the photoelectric module PCB; The backplane PCB is assembled on several PCB rails, the optoelectronic module PCB is arranged longitudinally, and the backplane PCB is arranged transversely; Several optoelectronic module PCBs are vertically plugged into the backplane PCB; The signal modulation module PCB is vertically plugged into the backplane PCB; The photoelectric module PCB is equipped with a photoelectric module for emitting laser and detecting fluorescence lifetime; the signal modulation module PCB is equipped with a signal modulation module for issuing laser emission control instructions and fluorescence lifetime data processing.

4. A multi-channel rotor fluorescent optical fiber temperature measurement module according to claim 3, characterized in that: The shell is detachably connected with a cushion block, and the cushion block clamps the optoelectronic module PCB or the signal modulation module PCB.

5. A multi-channel rotor fluorescent optical fiber temperature measurement module according to claim 4, characterized in that: Both sides of the middle of each PCB guide rail are provided with bayonet holes; two pads are respectively placed in the two bayonet holes, and the two pads clamp the optoelectronic module PCB or the signal modulation module PCB.

6. A multi-channel rotor fluorescent optical fiber temperature measurement module according to claim 3, characterized in that: The signal modulation module PCB is also connected to an FC interface.

7. A multi-channel rotor fluorescent optical fiber temperature measurement module according to claim 3, characterized in that: The optoelectronic module PCB and the signal modulation module PCB are provided with female plug-in parts; the backplane PCB is provided with male plug-in parts.

8. A multi-channel rotor fluorescent optical fiber temperature measurement module according to claim 3, characterized in that: Support platforms located outside the PCB guide rails are provided on corresponding two sides of the shell; a pressure strip is threadedly connected to the support platform, and the pressure strip is located between the shell and the optoelectronic module PCB and the signal modulation module PCB.

9. A multi-channel rotor fluorescent optical fiber temperature measurement module according to claim 3, characterized in that: An insulating pad is installed on the back plate and is located between the back plate and the shell.

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