Generator enclosed busbar micro-positive pressure device based on air source transformation
By designing a micro-positive pressure device for the closed bus of the generator based on air source modification, the parallel design of the factory compressed air and the micro-positive compressor is solved, and the problems of frequent start-stop and overload of the air compressor are improved, and the operating stability and insulation level of the closed bus are prevented from entering.
Patent Information
- Application Number
- CN202421169395.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-05-27
AI Technical Summary
The existing micro-positive pressure device of the closed bus bar of the generator relies on the air compressor and is prone to frequent start and stop, overload, solenoid valve damage and cylinder block cracking, affecting the normal operation of the closed bus bar.
A micro-positive pressure device for the closed bus bar of generator based on gas source transformation is designed, and the factory-used compressed air is used as the air source, and purified and controlled through components such as pressure reducing valves, oil-water separators, solenoid valves, pressure gauges, shut-off valves and micro-positive compressors to ensure that the air supplied to the closed bus bar is pure and dry, and the air pressure is precisely controlled through the micro-positive compressor.
By adopting the parallel design of factory compressed air and micro positive compressor, the problems of frequent start-stop and overload of the air compressor are avoided, the operating stability and insulation level of the closed busbar are improved, and external moisture, dust, etc. are prevented from entering the closed busbar.
Smart Images
Figure CN222601993U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of gas source modification, in particular to a generator closed bus micro-positive pressure device based on gas source modification. Background Art
[0002] Existing generator closed bus micro-positive pressure devices mostly use air compressors as air sources, which may cause faults such as frequent start and stop and overload of the air compressor, damage to the solenoid valve, and cracking of the cylinder body, which affect the normal operation of the closed bus and easily cause moisture and dust to enter the closed bus, posing a threat to the safe and stable operation of the closed bus and the entire unit. Utility Model Content
[0003] The purpose of the utility model is to propose a generator closed bus micro-positive pressure device based on gas source modification in view of the above problems.
[0004] A generator closed bus micro-positive pressure device based on gas source modification, comprising an air source supply device, a pressure reducing valve, an oil-water separator, a solenoid valve, a pressure gauge, a stop valve, a micro-positive pressure compressor, and a micro-positive pressure control cabinet, wherein the air source supply device is connected to the pressure reducing valve through a pipeline, the pressure reducing valve is connected to the oil-water separator through a pipeline, the oil-water separator is connected to the solenoid valve through a pipeline, the solenoid valve is connected to the micro-positive pressure control cabinet through a pipeline, and the micro-positive pressure control cabinet is connected to the micro-positive pressure compressor through a pipeline.
[0005] Furthermore, a generator closed bus micro-positive pressure device based on air source modification is provided, wherein the air source supply device includes plant compressed air, and the air source supply device and the micro-positive pressure compressor are connected in parallel.
[0006] Furthermore, a generator closed bus micro-positive pressure device based on gas source modification, the pressure gauge includes a first pressure gauge and a second pressure gauge, the solenoid valve is connected to the first pressure gauge through a pipeline, and the micro-positive pressure compressor is connected to the second pressure gauge through a pipeline.
[0007] Furthermore, a generator closed bus micro-positive pressure device based on gas source modification is provided, wherein the stop valve comprises a first stop valve and a second stop valve, the first pressure gauge is connected to the first stop valve through a pipeline, and the second pressure gauge is connected to the second stop valve through a pipeline.
[0008] Furthermore, a generator closed bus micro-positive pressure device based on gas source modification is provided, wherein the right end of the gas source supply device is connected to the left end of the pressure reducing valve, the right end of the pressure reducing valve is connected to the left end of the solenoid valve, the right end of the solenoid valve is connected to the left end of the first pressure gauge, the right end of the first pressure gauge is connected to the left end of the first stop valve, and the right end of the first stop valve is connected to the left end of the micro-positive pressure compressor.
[0009] Furthermore, a generator closed bus micro-positive pressure device based on gas source modification, the pressure gauge is arranged on the pipeline.
[0010] Furthermore, a generator closed bus micro-positive pressure device based on gas source modification is provided, wherein the right end of the micro-positive pressure compressor is connected to the left end of the second pressure gauge, the right end of the second pressure gauge is connected to the left end of the second stop valve, and the right end of the second stop valve is connected to the left end of the micro-positive pressure compressor.
[0011] The beneficial effects of the utility model are as follows: a micro-positive pressure device for a closed busbar of a generator based on air source modification is implemented, which adopts factory compressed air as the air source, avoids frequent start and stop of the air compressor and overload, and failure of the solenoid valve being damaged, and improves the operation stability of the closed busbar; the compressed air is purified by a pressure reducer and an oil-water separator, thereby ensuring that the air supplied to the closed busbar is pure and dry, and improving the insulation level of the closed busbar; the micro-positive pressure compressor can accurately control the air pressure supplied to the closed busbar, maintain a micro-positive pressure state, and effectively prevent external moisture, dust, etc. from entering the closed busbar. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a structural diagram of a generator closed bus micro-positive pressure device based on gas source modification.
[0013] In the figure: 1-air source supply device, 2-pressure reducing valve, 3-oil-water separator, 4-solenoid valve, 5-solenoid valve, 6-pressure gauge, 7-stop valve, 8-micro positive pressure compressor, 9-first pressure gauge, 10-second pressure gauge, 11-first stop valve, 12-second stop valve. DETAILED DESCRIPTION
[0014] In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation methods of the utility model are now described with reference to the accompanying drawings.
[0015] In this embodiment, as shown in the attached Figure 1 As shown, a generator closed bus micro-positive pressure device based on gas source modification includes an air source supply device 1, a pressure reducing valve 2, an oil-water separator 3, a solenoid valve 4, a pressure gauge 5, a stop valve 6, a micro-positive pressure compressor 7, and a micro-positive pressure control cabinet 8. The air source supply device 1 is connected to the pressure reducing valve 2 through a pipeline, the pressure reducing valve 2 is connected to the oil-water separator 3 through a pipeline, the oil-water separator 3 is connected to the solenoid valve 4 through a pipeline, the solenoid valve 4 is connected to the micro-positive pressure control cabinet 8 through a pipeline, and the micro-positive pressure control cabinet 8 is connected to the micro-positive pressure compressor 7 through a pipeline.
[0016] Furthermore, a generator closed bus micro-positive pressure device based on air source modification is provided, wherein the air source supply device 1 includes factory compressed air, and the air source supply device 1 and the micro-positive pressure compressor 7 are connected in parallel.
[0017] Furthermore, a generator closed bus micro-positive pressure device based on gas source modification is provided, wherein the pressure gauge 5 includes a first pressure gauge 9 and a second pressure gauge 10, the solenoid valve 4 is connected to the first pressure gauge 9 through a pipeline, and the micro-positive pressure compressor 7 is connected to the second pressure gauge 10 through a pipeline.
[0018] Furthermore, a generator closed bus micro-positive pressure device based on gas source modification is provided, wherein the stop valve 6 includes a first stop valve 11 and a second stop valve 12, the first pressure gauge 9 is connected to the first stop valve 11 through a pipeline, and the second pressure gauge 10 is connected to the second stop valve 12 through a pipeline.
[0019] Furthermore, a generator closed bus micro-positive pressure device based on gas source modification is provided, wherein the right end of the gas source supply device 1 is connected to the left end of the pressure reducing valve 2, the right end of the pressure reducing valve 2 is connected to the left end of the solenoid valve 4, the right end of the solenoid valve 4 is connected to the left end of the first pressure gauge 9, the right end of the first pressure gauge 9 is connected to the left end of the first stop valve 11, and the right end of the first stop valve 11 is connected to the left end of the micro-positive pressure compressor 7.
[0020] Furthermore, a generator closed bus micro-positive pressure device based on gas source modification, the pressure gauge 5 is arranged on the pipeline.
[0021] Furthermore, a generator closed bus micro-positive pressure device based on gas source modification is provided, wherein the right end of the micro-positive pressure compressor 7 is connected to the left end of the second pressure gauge 10, the right end of the second pressure gauge 10 is connected to the left end of the second stop valve 12, and the right end of the second stop valve 12 is connected to the left end of the micro-positive pressure compressor 7.
[0022] A micro-positive pressure device for a closed busbar of a generator based on air source modification, the principle is as follows: an air source supply device 1 uses factory compressed air as the main air source, a micro-positive pressure compressor 7 is used as an emergency backup air source, a pressure reducing valve 2 performs pressure reducing treatment on the compressed air, an oil-water separator 3 filters the compressed air to ensure that the air supplied to the closed busbar is pure and dry, a solenoid valve 4 is responsible for direction control, and can control the on and off of the air path in the pneumatic circuit or change the flow direction of the compressed air, a pressure gauge 5 detects the air pressure passing through the compressed air, a stop valve 6 controls the flow of gas in the pipeline, and is a switch valve of the pipeline, a micro-positive pressure control cabinet 8 controls the valve switch of the stop valve 6, adjusts the air pressure supplied to the closed busbar, and maintains a micro-positive pressure state.
[0023] The utility model designs a generator closed bus micro-positive pressure device based on air source transformation, utilizes factory compressed air as the air source and connects it in parallel with the air source of the micro-positive pressure compressor, normally keeps the air branch of the micro-positive pressure compressor in a standby state, and uses factory instrument compressed air for air supply, thereby optimizing the air supply circuit and improving the reliability of the micro-positive pressure device. The micro-positive pressure device has reliable air supply, is not prone to air source defects, and reduces maintenance costs.
[0024] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A generator closed busbar micro-positive pressure device based on gas source modification, characterized in that: The invention comprises an air source supply device (1), a pressure reducing valve (2), an oil-water separator (3), a solenoid valve (4), a pressure gauge (5), a stop valve (6), a micro-positive pressure compressor (7), and a micro-positive pressure control cabinet (8), wherein the air source supply device (1) is connected to the pressure reducing valve (2) via a pipeline, the pressure reducing valve (2) is connected to the oil-water separator (3) via a pipeline, the oil-water separator (3) is connected to the solenoid valve (4) via a pipeline, the solenoid valve (4) is connected to the micro-positive pressure control cabinet (8) via a pipeline, and the micro-positive pressure control cabinet (8) is connected to the micro-positive pressure compressor (7) via a pipeline.
2. A generator closed busbar micro-positive pressure device based on gas source modification as claimed in claim 1, characterized in that: The air source supply device (1) comprises factory compressed air, and the air source supply device (1) and the micro-positive pressure compressor (7) are connected in parallel.
3. A generator closed busbar micro-positive pressure device based on gas source modification as claimed in claim 1, characterized in that: The pressure gauge (5) comprises a first pressure gauge (9) and a second pressure gauge (10); the solenoid valve (4) is connected to the first pressure gauge (9) via a pipeline; and the micro-positive pressure compressor (7) is connected to the second pressure gauge (10) via a pipeline.
4. A generator closed busbar micro-positive pressure device based on gas source modification as claimed in claim 3, characterized in that: The stop valve (6) comprises a first stop valve (11) and a second stop valve (12); the first pressure gauge (9) is connected to the first stop valve (11) via a pipeline, and the second pressure gauge (10) is connected to the second stop valve (12) via a pipeline.
5. A generator closed busbar micro-positive pressure device based on gas source modification as claimed in claim 1, characterized in that: The right end of the gas source supply device (1) is connected to the left end of the pressure reducing valve (2), the right end of the pressure reducing valve (2) is connected to the left end of the solenoid valve (4), the right end of the solenoid valve (4) is connected to the left end of the first pressure gauge (9), the right end of the first pressure gauge (9) is connected to the left end of the first stop valve (11), and the right end of the first stop valve (11) is connected to the left end of the micro-positive pressure compressor (7).
6. A generator closed busbar micro-positive pressure device based on gas source modification as claimed in claim 1, characterized in that: The pressure gauge (5) is arranged on the pipeline.
7. A generator closed busbar micro-positive pressure device based on gas source modification as claimed in claim 1, characterized in that: The right end of the micro-positive pressure compressor (7) is connected to the left end of the second pressure gauge (10), the right end of the second pressure gauge (10) is connected to the left end of the second stop valve (12), and the right end of the second stop valve (12) is connected to the left end of the micro-positive pressure compressor (7).