Low-heat-mass unit monitoring device

Abstract

The utility model relates to the technical field of unit monitoring, in particular to a low-heat-mass unit monitoring device which comprises a case, a gas turbine and a generator are arranged in the case, and an output shaft of the gas turbine is connected with an input shaft of the generator through a magnetic coupler. The monitoring device further comprises a monitoring assembly, the monitoring assembly comprises a lifting rod slidably connected into the machine box, an output shaft of the gas turbine drives the lifting rod to ascend and descend through a transmission part, the end of the lifting rod extends into the liquid box and is fixedly connected with a buoyancy plate, and a monitoring pipe is further fixedly arranged on the liquid box. Monitoring liquid is placed in the liquid box, and the liquid box is communicated with the interior of the monitoring pipe. When the output shaft of the gas turbine drives the input shaft of the generator to rotate through the magnetic coupler, the input shaft drives the lifting rod to ascend and descend through the transmission part, the lifting rod ascends and descends to enable monitoring liquid to enter and be discharged out of the monitoring pipe in a reciprocating mode through buoyancy, and whether the output shaft idles or not is judged by observing movement in the monitoring liquid.

Description

Technical Field

[0001] The utility model relates to the technical field of unit monitoring, in particular to a low thermal mass unit monitoring device. Background Art

[0002] A low thermal mass unit is a device that uses low-calorific-value fuel to generate electricity or provide power. The low-calorific-value fuel is ignited in the unit's combustion chamber, releasing heat energy that converts the heating medium into high-temperature, high-pressure steam or gas. This high-temperature, high-pressure steam or gas propels power units such as steam turbines and gas turbines, converting the thermal energy into mechanical energy. This mechanical energy is then converted into electrical energy by generators and other equipment, generating electricity; or it can directly drive other mechanical equipment to provide power.

[0003] Existing power generation equipment usually uses a magnetic coupling when connected to a low thermal mass unit to prevent the low thermal mass unit from being damaged due to rotation obstruction when the power generation equipment fails. However, when the power generation equipment fails, the output shaft of the existing low thermal mass unit continues to rotate, and the existing monitor fails to detect this situation, causing the output shaft of the low thermal mass unit to idle and waste energy. Utility Model Content

[0004] The purpose of the utility model is to provide a low thermal mass unit monitoring device to solve the above-mentioned deficiencies in the prior art.

[0005] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0006] A low thermal mass unit monitoring device includes a chassis, in which a gas turbine and a generator are arranged, and the gas turbine output shaft is connected to the generator input shaft via a magnetic coupler; and also includes a monitoring assembly, which includes a lifting rod slidably connected to the chassis, and the gas turbine output shaft drives the lifting rod to rise and fall via a transmission part, and the end of the lifting rod extends into the interior of a liquid tank and is fixedly connected to a buoyancy plate. A monitoring tube is also fixedly provided on the liquid tank, and monitoring liquid is placed in the liquid tank. The liquid tank and the monitoring tube are internally connected.

[0007] Furthermore, the transmission part includes two mounting rods fixedly connected to the gas turbine output shaft, the two mounting rods are arranged perpendicular to the gas turbine output shaft, a connecting rod is fixedly connected between the two mounting rods, the connecting rod is slidably connected to the slide groove on the horizontal rod, and the horizontal rod is fixedly connected to the end of the lifting rod.

[0008] Furthermore, the two mounting rods are respectively rotatably connected with a screw rod and a fixedly provided with a sliding rod, the screw rod is threadedly connected with a first slider, the sliding rod is fixedly connected with a second slider, the two ends of the connecting rod are respectively fixedly connected with the first slider and the second slider, the end of the screw rod extends out of the mounting rod and is rotatably connected with a locking cover, and the locking cover is threadedly connected to the end of the mounting rod.

[0009] Furthermore, the monitoring tube is made of transparent material.

[0010] Furthermore, a liquid level sensor is provided on the monitoring tube.

[0011] In the above technical solution, the low thermal mass unit monitoring device provided by the present invention has the following beneficial effects:

[0012] Through the monitoring component set up, when the gas turbine output shaft drives the generator input shaft to rotate through the magnetic coupling, the input shaft drives the lifting rod to rise and fall through the transmission part, and the lifting of the lifting rod drives the buoyancy plate to rise and fall. The lifting of the buoyancy plate causes the monitoring liquid to reciprocate into and out of the monitoring tube. When the periodic movement of the monitoring liquid in the monitoring tube is observed, it can be determined that the gas turbine output shaft is still rotating at this time; otherwise, it stops rotating.

[0013] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

[0014] This application document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0016] Figure 1 A schematic diagram of the overall structure provided for an embodiment of the present utility model;

[0017] Figure 2 A schematic diagram of the internal structure provided by an embodiment of the present utility model;

[0018] Figure 3 A schematic diagram of the monitoring component structure provided by an embodiment of the present utility model;

[0019] Figure 4 This is a schematic diagram of the lifting rod structure provided in an embodiment of the utility model.

[0020] Description of reference numerals:

[0021] 1. Chassis; 11. Gas turbine; 12. Generator; 13. Output shaft; 14. Input shaft; 2. Monitoring assembly; 21. Lifting rod; 22. Buoyancy plate; 23. Liquid tank; 24. Monitoring tube; 3. Mounting rod; 31. Connecting rod; 32. Horizontal rod; 33. Sliding rod; 34. Screw; 35. First slider; 36. Second slider; 37. Locking cover; 4. Liquid level sensor. DETAILED DESCRIPTION

[0022] To make the purpose, technical solutions, and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all of the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0023] See also Figure 1-4 A low thermal mass unit monitoring device includes a chassis 1 housing a gas turbine 11 and a generator 12. The output shaft 13 of the gas turbine 11 is connected to the input shaft 14 of the generator 12 via a magnetic coupler. The device also includes a monitoring assembly 2, which includes a lifting rod 21 slidably connected to the chassis 1. The output shaft 13 of the gas turbine 11 drives the lifting rod 21 upward and downward via a transmission. The end of the lifting rod 21 extends into a liquid tank 23 and is fixedly connected to a buoyancy plate 22. A monitoring tube 24 is also fixedly mounted on the liquid tank 23. The liquid tank 23 contains monitoring fluid, and the interiors of the liquid tank 23 and the monitoring tube 24 are in communication. A sealing ring is provided between the lifting rod 21 and the chassis 1.

[0024] Furthermore, the transmission unit includes two mounting rods 3 fixedly connected to the output shaft 13 of the gas turbine 11. Both mounting rods 3 are arranged perpendicular to the output shaft 13 of the gas turbine 11. A connecting rod 31 is fixedly connected between the two mounting rods 3. The connecting rod 31 slides within a slot on a horizontal rod 32, which is fixedly connected to the end of the lifting rod 21. It is worth noting that the output shaft 13 of the gas turbine 11 is cut between the two mounting rods 3 to prevent interference between the horizontal rod 32 and the output shaft 13.

[0025] The output rod drives the connecting rod 31 to rotate through the mounting rod 3 . Since the lifting rod 21 is limited by the sliding of the chassis 1 , the connecting rod 31 rotates and drives the lifting rod 21 to move up and down through the horizontal rod 32 .

[0026] Furthermore, the two mounting rods 3 are respectively rotatably connected with a screw rod 34 and fixedly provided with a slide rod 33, the screw rod 34 is threadedly connected with a first slider 35, the slide rod 33 is fixedly connected with a second slider 36, the two ends of the connecting rod 31 are respectively fixedly connected with the first slider 35 and the second slider 36, the end of the screw rod 34 extends out of the mounting rod 3 and is rotatably connected with a lock cover 37, and the lock cover 37 is threadedly connected to the end of the mounting rod 3.

[0027] The screw rod 34 is rotated to change the position of the connecting rod 31, thereby adjusting the lifting range of the lifting rod 21, thereby changing the maximum rising height of the monitoring liquid for easy observation; at the same time, the different lifting ranges of the lifting rod 21 will also affect the size of the buoyancy overcome by the buoyancy plate 22.

[0028] Furthermore, the monitoring tube 24 is made of a transparent material to facilitate observation.

[0029] Furthermore, a liquid level sensor 4 is provided on the monitoring tube 24. The liquid level sensor 4 can automatically record the periodic movement of the monitoring liquid in the monitoring tube 24, so as to realize automatic monitoring.

[0030] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A low thermal mass unit monitoring device, comprising a chassis (1), wherein a gas turbine (11) and a generator (12) are arranged in the chassis (1), and an output shaft (13) of the gas turbine (11) is connected to an input shaft (14) of the generator (12) via a magnetic coupling; characterized in that: The invention also includes a monitoring assembly (2), wherein the monitoring assembly (2) includes a lifting rod (21) slidably connected to the chassis (1), and the output shaft (13) of the gas turbine (11) drives the lifting rod (21) to move up and down through a transmission part. The end of the lifting rod (21) extends into the interior of the liquid tank (23) and is fixedly connected to a buoyancy plate (22). A monitoring pipe (24) is also fixedly provided on the liquid tank (23). Monitoring liquid is placed in the liquid tank (23), and the interiors of the liquid tank (23) and the monitoring pipe (24) are connected.

2. A low thermal mass unit monitoring device according to claim 1, characterized in that: The transmission part comprises two mounting rods (3) fixedly connected to the output shaft (13) of the gas turbine (11), the two mounting rods (3) being arranged perpendicular to the output shaft (13) of the gas turbine (11), a connecting rod (31) being fixedly connected between the two mounting rods (3), the connecting rod (31) being slidably connected to a slide groove on a horizontal rod (32), and the horizontal rod (32) being fixedly connected to the end of a lifting rod (21).

3. The low thermal mass unit monitoring device according to claim 2, characterized in that: The two mounting rods (3) are rotatably connected to a screw rod (34) and fixedly provided with a slide rod (33), the screw rod (34) is threadedly connected to a first slide block (35), the slide rod (33) is fixedly connected to a second slide block (36), the two ends of the connecting rod (31) are fixedly connected to the first slide block (35) and the second slide block (36), the end of the screw rod (34) extends out of the mounting rod (3) and is rotatably connected to a lock cover (37), and the lock cover (37) is threadedly connected to the end of the mounting rod (3).

4. The low thermal mass unit monitoring device according to claim 1, characterized in that: The monitoring tube (24) is made of transparent material.

5. The low thermal mass unit monitoring device according to claim 1, characterized in that: A liquid level sensor (4) is provided on the monitoring pipe (24).

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