CN215492124U

CN215492124U - Distributed stator temperature measurement system of marine suspended tidal current energy generator

Info

Publication number: CN215492124U
Application number: CN202121216197.4U
Authority: CN
Inventors: 王昆; 罗建华; 王宇; 魏玉国; 李敏; 孙国煜; 任天明; 孙震; 刘威; 轩秋月
Original assignee: Harbin Electric Machinery Co Ltd
Current assignee: Harbin Electric Machinery Co Ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2022-01-11
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses a distributed stator temperature measurement system of an offshore suspended tidal current energy generator, which is characterized in that a resistance thermometer, a fixed buncher and a comprehensive leading-out cable form a whole, the resistance thermometer is placed in a stator core, after the resistance thermometer collects temperature signals, the temperature signals are concentrated in the comprehensive leading-out cable through the fixed buncher, and a generator control terminal is led through the comprehensive leading-out cable, so that the purpose of monitoring the temperature of the stator core in all time is achieved.

Description

Distributed stator temperature measurement system of marine suspended tidal current energy generator

Technical Field

The utility model relates to the technical field of tidal current energy generators, in particular to a distributed stator temperature measurement system of an offshore suspended tidal current energy generator.

Background

The offshore suspended tidal current energy generator is suspended in seawater for a long time, is advanced offshore manual operation platform energy supplementing equipment and is used as a standby power storage power supply of an offshore platform. The traditional offshore suspended tidal current energy generator stator temperature measurement system is characterized in that a resistance thermometer is usually inserted into a stator core, a signal cable is directly led out to a generator control terminal to monitor the running temperature of the stator core, the length of the signal cable is generally more than 15 meters, and some length of the signal cable can even reach 20 meters, when the system is installed, the resistance thermometer is firstly inserted into the stator core, then the signal cable is led out gradually from inside to outside until the signal cable is laid to the generator control terminal, and because the resistance thermometer has a certain failure rate, when the resistance thermometer fails due to reaching the running life, the signal cable with the length of 15-20 meters of the traditional resistance thermometer in an offshore suspended tidal current energy generator base cabin with a tense internal space does not have the conditions of replacement and re-laying, if the resistance thermometer is not replaced, a monitoring blind spot can be formed, great hidden danger is brought to the safe and stable operation of the unit; if the tidal current energy generator needs to be lifted to the platform integrally, most of equipment is shut down to be dismantled so as to provide necessary signal cable laying operation space, and the mode consumes a large amount of manpower and material resources and long time, and normal work tasks of the offshore manual work platform can be influenced.

Disclosure of Invention

In view of the above, the present invention aims to disclose a distributed stator temperature measurement system for an offshore suspended tidal current energy generator, which adopts a segmented and combined connection manner, can adopt a non-sequential multipoint simultaneous installation manner, is convenient to install, can be segmented and disassembled at any time as required, is convenient to maintain and replace, and has characteristics of stable output signal, difficult damage, etc., and the technical scheme of the present invention is as follows: the resistance thermometer is embedded into a stator iron core from top to bottom, then the fixed buncher is welded on the left side surface of a stator frame ring plate, the resistance thermometer is connected and clamped with the fixed buncher in a buckling mode from bottom to top, and finally the comprehensive lead-out cable is connected and clamped with the fixed buncher in a buckling mode from top to bottom to form a whole.

In the distributed stator temperature measurement system of the offshore suspended tidal current energy generator, the resistance thermometer is formed into a whole by the platinum thermal resistance module, the signal cable and the inner signal connector A, the lower end of the signal cable is hot-pressed with the platinum thermal resistance module into a whole, and the upper end of the signal cable is hot-pressed with the inner signal connector A into a whole.

In the distributed stator temperature measurement system of the offshore suspended tidal current energy generator, the fixed buncher is composed of a shell, an outer signal connector A, a bunched cable A, a switching terminal, a bunched cable B, an outer signal connector B and a fixed base, wherein 3 outer signal connectors A are uniformly distributed and fixed on the lower portion of the shell, the switching terminal is fixed at the center of the shell, the outer signal connector B is fixed at the center of the upper portion of the shell, the bunched cable A is used as signal connection between the outer signal connector A and the switching terminal, the bunched cable B is used as signal connection between the switching terminal and the outer signal connector B, the fixed base is welded on the right side face of the shell, and the outer signal connector A is connected with the inner signal connector A in a buckling mode.

In the distributed stator temperature measurement system of the offshore suspended tidal current energy generator, the fixing base is formed into a whole by the I-shaped support, the locking bolt and the bottom plate, the I-shaped support is horizontally arranged, and the right side of the I-shaped support and the bottom plate are fastened into a whole through the locking bolt.

In the distributed stator temperature measurement system of the offshore suspended tidal current energy generator, the lower end of the comprehensive leading-out cable is provided with an inner signal connector B matched with the outer signal connector B, and the outer signal connector B is connected with the inner signal connector B in a buckling mode.

Compared with the prior art, the utility model has the beneficial effects that:

1. the traditional mode needs to insert a resistance thermometer into a stator core, then leads out a signal cable from inside to outside step by step, and lays the signal cable while leading out, and also needs to pay attention to the fact that excessive tensile force or torsion cannot be applied to the signal cable all the time so as to prevent the part embedded into the stator core from being pulled and damaged;

2. when resistance thermometer reached the running life and when becoming invalid, only need take resistance thermometer out from stator core, then untie interior signal joint A and be connected with outer signal joint A's buckle for resistance thermometer separates with fixed buncher, can accomplish resistance thermometer's dismantlement, does not involve the problem that signal cable long distance laid completely, and the installation space that needs simultaneously is very little, and maintenance change convenient and fast is with low costs, weak point consuming time.

Drawings

Fig. 1 is a detailed diagram of a distributed stator temperature measurement system of an offshore suspended tidal current energy generator.

FIG. 2 is a detail view of the resistance thermometer.

Fig. 3 is a detailed view of the fixed buncher.

Fig. 4 is a detailed view of the fixing base.

Fig. 5 is a detailed view of the integrated lead-out cable.

The notation in the figure is: 1-resistance thermometer; 2-fixing a buncher; 3-comprehensive leading out cable; 4-a stator core; 5-stator frame ring plate; 6-platinum thermal resistance module; 7-a signal cable; 8-inner signal connector A; 9-a housing; 10-external signal connector a; 11-bunched cable a; 12-a transfer terminal; 13-bunched cable B; 14-external signal connector B; 15-fixing the base; 16-I-shaped support; 17-a locking bolt; 18-a base plate; 19-inner signal connector B.

Detailed Description

The utility model is further described with reference to the following figures and detailed description.

It is to be understood that: in the description of the present invention, terms indicating positional relationships or orientations, such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are based on the positional relationships or orientations shown in the drawings for the convenience of understanding the present invention, and do not indicate or imply that the components referred to must have a specific orientation or position and be constructed and operated in a specific orientation, and thus, are not to be construed as limiting the present invention.

As shown in figure 1, the distributed stator temperature measurement system of the offshore suspended tidal current energy generator is characterized in that a resistance thermometer 1, a fixed buncher 2 and a comprehensive lead-out cable 3 form a whole, the resistance thermometer 1 is embedded into a stator core 4 from top to bottom, the fixed buncher 2 is welded on the left side surface of a stator base ring plate 5, the resistance thermometer 1 is connected with the fixed buncher 2 in a buckling mode from bottom to top and is clamped, finally the comprehensive lead-out cable 3 is connected with the fixed buncher 2 in a buckling mode from top to bottom and is clamped to form a whole, an outer signal connector A10 is connected with an inner signal connector A8 in a buckling mode, an outer signal connector B14 is connected with an inner signal connector B19 in a buckling mode, after the resistance thermometer 1 collects temperature signals of the stator core 4, the temperature signals are concentrated in the comprehensive lead-out cable 3 through the fixed buncher 2, and a generator control terminal is led out through the comprehensive lead-out cable 3, the purpose of monitoring the temperature of the stator core 4 in all time is achieved.

As shown in fig. 2, the resistance thermometer 1 is composed of a platinum thermal resistance module 6, a signal cable 7 and an inner signal connector A8, wherein the lower end of the signal cable 7 is integrated with the platinum thermal resistance module 6 by hot pressing, and the upper end is integrated with the inner signal connector A8 by hot pressing. The platinum thermal resistance module 6 is inserted into the stator core 4 to collect a temperature signal, the temperature signal is transmitted to the fixed buncher 2 through the signal cable 7, and the connector A8 is used for being in snap connection with the outer signal connector A10 of the fixed buncher 2.

As shown in fig. 3, the fixing buncher 2 is composed of a housing 9, an external signal connector a10, a bunched cable a11, a transit terminal 12, a bunched cable B13, an external signal connector B14 and a fixing base 15, wherein 3 external signal connectors a10 are uniformly distributed and fixed at the lower part of the housing 9, the transit terminal 12 is fixed at the central position of the housing 9, the external signal connector B14 is fixed at the central position of the upper part of the housing 9, the bunched cable a11 is used for signal connection between the external signal connector a10 and the transit terminal 12, the bunched cable B13 is used for signal connection between the transit terminal 12 and the external signal connector B14, and the fixing base 15 is welded on the right side surface of the housing 9. As shown in FIG. 4, the fixed base 15 is composed of an I-shaped support 16, a locking bolt 17 and a bottom plate 18, the I-shaped support 16 is horizontally arranged, and the right side of the I-shaped support and the bottom plate 18 are fastened into a whole through the locking bolt 17. The lower end of the fixed buncher 2 is connected with the resistance thermometer 1, the upper end of the fixed buncher is connected with the comprehensive outgoing cable 3, temperature signals are collected through the switching terminal 12 after being led in from the bunched cable A11, then the collected temperature signals are transmitted to the comprehensive outgoing cable 3 through the bunched cable B13, and meanwhile the fixed buncher can be welded on the left side surface of the stator base ring plate 5 through the fixed base 15.

As shown in fig. 5, the lower end of the integrated outgoing cable 3 is provided with an inner signal connector B19 which is matched with the outer signal connector B14. The comprehensive leading-out cable 3 can transmit the temperature signals collected by the fixed buncher 2 to the generator control terminal.

Finally, the scope of protection of the utility model is not limited to the embodiments described above. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the scope or spirit of the utility model. It is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

Claims

1. The utility model provides a marine floated trend can generator distributing type stator temperature measurement system which characterized by: the integrated lead-out cable structure is characterized in that a whole body is composed of a resistance thermometer (1), a fixed buncher (2) and an integrated lead-out cable (3), the resistance thermometer (1) is embedded into a stator core (4) from top to bottom, then the fixed buncher (2) is welded on the left side surface of a stator base ring plate (5), then the resistance thermometer (1) is connected with the fixed buncher (2) in a buckling mode from bottom to top and is clamped, and finally the integrated lead-out cable (3) is connected with the fixed buncher (2) in a buckling mode from top to bottom and is clamped to form the whole body.

2. The distributed stator temperature measurement system of the offshore suspended tidal current energy generator as claimed in claim 1, wherein: the resistance thermometer (1) is composed of a platinum thermal resistance module (6), a signal cable (7) and an inner signal connector A (8) into a whole, the lower end of the signal cable (7) is hot-pressed with the platinum thermal resistance module (6) into a whole, and the upper end of the signal cable is hot-pressed with the inner signal connector A (8) into a whole.

3. The distributed stator temperature measurement system of the offshore suspended tidal current energy generator as claimed in claim 1, wherein: the fixed buncher (2) is composed of a shell (9), an outer signal connector A (10), a bunched cable A (11), a switching terminal (12), a bunched cable B (13), an outer signal connector B (14) and a fixed base (15) into a whole, wherein 3 outer signal connectors A (10) are uniformly distributed and fixed at the lower part of the shell (9), the switching terminal (12) is fixed at the central position of the shell (9), and then the outer signal connector B (14) is fixed at the central position of the upper part of the shell (9), then using the bunched cable A (11) as the signal connection between the external signal connector A (10) and the switching terminal (12), using the bunched cable B (13) as the signal connection between the switching terminal (12) and the external signal connector B (14), welding the fixed base (15) on the right side surface of the shell (9), the outer signal connector A (10) is connected with the inner signal connector A (8) in a buckling mode.

4. The distributed stator temperature measurement system of the offshore suspended tidal current energy generator as claimed in claim 3, wherein: the fixed base (15) is formed into a whole by an I-shaped support (16), a locking bolt (17) and a bottom plate (18), the I-shaped support (16) is horizontally arranged, and the right side of the I-shaped support and the bottom plate (18) are fastened into a whole through the locking bolt (17).

5. The distributed stator temperature measurement system of the offshore suspended tidal current energy generator as claimed in claim 1, wherein: the lower end of the comprehensive leading-out cable (3) is provided with an inner signal connector B (19) matched with an outer signal connector B (14), and the outer signal connector B (14) is connected with the inner signal connector B (19) in a buckling mode.