CN217687639U - Wind pressure monitoring device for excitation power cabinet - Google Patents
Wind pressure monitoring device for excitation power cabinet Download PDFInfo
- Publication number
- CN217687639U CN217687639U CN202221286418.XU CN202221286418U CN217687639U CN 217687639 U CN217687639 U CN 217687639U CN 202221286418 U CN202221286418 U CN 202221286418U CN 217687639 U CN217687639 U CN 217687639U
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- China
- Prior art keywords
- fan blade
- mounting bracket
- wind pressure
- power cabinet
- pressure monitoring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses an excitation is wind pressure monitoring devices for power cabinet, including mounting bracket (1), the bottom of mounting bracket (1) is equipped with wind gap (2), it is connected with a plurality of fan blade (3) side by side to rotate on mounting bracket (1), alternate segregation and part overlap between adjacent fan blade (3), be equipped with micro-gap switch (4) on mounting bracket (1) of keeping away from wind gap (2) one side fan blade (3), be equipped with locating lever (5) on mounting bracket (1) that is close to micro-gap switch (4) one side fan blade (3), micro-gap switch (4) and locating lever (5) dislocation each other. The utility model has the characteristics of monitoring stability is good, long service life.
Description
Technical Field
The utility model relates to a wind pressure monitoring devices, especially a wind pressure monitoring devices for excitation power cabinet.
Background
A wind pressure relay is required to be arranged at a top air outlet of the excitation power cabinet of the unit to monitor the air outlet and wind pressure, so that whether the unit works or not is judged according to the existence of the wind volume. The current wind pressure relay consists of a monitoring module and a plastic air pipe, wherein a thin film is arranged at the end part of the plastic air pipe; during the use, insert the wind channel with the one end of plastics tuber pipe in, when wind in the wind channel, the film vibrates and triggers monitoring module under the negative pressure state to realize the wind pressure monitoring function. However, in actual use, dust and impurities easily enter the plastic air pipe and cause blockage in the process of flowing along with the wind due to the small pipe diameter of the plastic air pipe, so that the failure of the air pressure relay is caused. On the other hand, the film of the wind pressure relay is easy to age after long-term use, so that the monitoring failure of the wind pressure relay is caused, and operators can mistakenly think that the unit is damaged and cannot work normally, thereby causing misinformation.
Therefore, a wind pressure monitoring device with good monitoring stability and long service life is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an excitation is wind pressure monitoring devices for power cabinet. The method has the characteristics of good monitoring stability and long service life.
The technical scheme of the utility model: wind pressure monitoring devices for excitation power cabinet, including the mounting bracket, the bottom of mounting bracket is equipped with the wind gap, rotates on the mounting bracket to be connected with a plurality of fan blades side by side, and alternate segregation and part overlap between the adjacent fan blade, and the fan blade is equipped with micro-gap switch on the mounting bracket of keeping away from wind gap one side, and the fan blade is equipped with the locating lever on the mounting bracket of being close to micro-gap switch one side, and micro-gap switch and locating lever misplace each other.
In the wind pressure monitoring device for the excitation power cabinet, the mounting frame is U-shaped, the fan blades are arranged at the bottom of the mounting frame, and the micro switch is arranged outside the side wall of the mounting frame.
Among the aforementioned wind pressure monitoring devices for excitation power cabinet, the fan blade includes straight plate-shaped windward portion, and the one end of windward portion is rotated and is connected the mounting bracket, and the other end of windward portion is equipped with semi-circular cross-section's contact site, forms the depressed part of lock locating lever between contact site and the windward portion.
In the wind pressure monitoring device for the excitation power cabinet, the windward portion is wound at one end far away from the contact portion to form the sleeve portion, the inner side of the sleeve portion is rotatably connected with the cross shaft, and two ends of the cross shaft penetrate through the fan blade and are connected with the mounting frame.
In the wind pressure monitoring device for the excitation power cabinet, when the fan blades are in a closed state, the contact parts and the sleeve parts of the adjacent fan blades are buckled with each other; when the fan blades are in an open state, the concave parts and the positioning rods are buckled with each other, and the contact part of one of the fan blades is attached to the microswitch.
Compared with the prior art, the utility model has the advantages that the matching of the micro-switch and the fan blade rotationally connected on the mounting rack enables the fan blade to be driven to rotate and contact the micro-switch after wind blows in from the wind port, thereby achieving the required wind pressure monitoring effect; the opening angle of the fan blade can be limited by matching the fan blade with the positioning rod, the micro switch is prevented from being damaged due to continuous extrusion on the micro switch after the fan blade is blown up, and the stability of the utility model is improved; through the structure cooperation of cross axle, sleeve pipe portion and contact site, can also make the fan blade lock each other under the closure to form spacingly and keep the fan blade to cover the wind gap completely under the closure, thereby avoid the appearance in gap, further improve the utility model discloses a monitoring stability. Therefore, the utility model has the characteristics of monitoring stability is good, long service life.
Drawings
Fig. 1 is a schematic structural view of the present invention when the fan blades are closed;
fig. 2 is a schematic structural view of the utility model when the fan blade is opened.
The labels in the figures are: 1-mounting frame, 2-tuyere, 3-fan blade, 4-microswitch, 5-positioning rod, 6-transverse shaft, 301-windward part, 302-contact part, 303-recess part and 304-sleeve part.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Examples are given. Wind pressure monitoring devices for excitation power cabinet constitutes as shown in fig. 1, including mounting bracket 1, the bottom of mounting bracket 1 is equipped with wind gap 2, rotates on the mounting bracket 1 and is connected with a plurality of fan blades 3 side by side, alternate segregation and part overlap between the adjacent fan blade 3, and fan blade 3 is equipped with micro-gap switch 4 on the mounting bracket 1 of keeping away from wind gap 2 one side, and fan blade 3 is equipped with locating lever 5 on the mounting bracket 1 of being close to micro-gap switch 4 one side, and micro-gap switch 4 and locating lever 5 misplace each other.
The fan blade mounting structure is characterized in that the mounting frame 1 is U-shaped, the fan blades 3 are arranged at the bottom of the mounting frame 1, and the micro switches 4 are arranged outside the side wall of the mounting frame 1.
The fan blades 3 comprise straight plate-shaped windward portions 301, one ends of the windward portions 301 are rotatably connected with the mounting frame 1, contact portions 302 with semicircular cross sections are arranged at the other ends of the windward portions 301, and concave portions 303 for buckling the positioning rods 5 are formed between the contact portions 302 and the windward portions 301.
The windward portion 301 is wound at one end far away from the contact portion 302 to form a sleeve portion 304, a transverse shaft 6 is rotatably connected to the inner side of the sleeve portion 304, and two ends of the transverse shaft 6 penetrate through the fan blades 3 and are connected with the mounting frame 1.
When the fan blades 3 are in a closed state, the contact part 302 and the sleeve part 304 of the adjacent fan blade 3 are buckled with each other; when the fan blades 3 are in an open state, the concave part 303 and the positioning rod 5 are buckled with each other, and the contact part 302 of one of the fan blades 3 is attached to the microswitch 4.
The utility model discloses a theory of operation: the utility model discloses install the dish cabinet top vent at excitation power cabinet during the use to remove the vent all around that 2 positions in wind gap are all sealed, make the unit can blow to the outside through the wind channel from excitation power cabinet inside at the wind pressure that the during operation sent, and drive fan blade 3 and rotate and open. When the fan blades 3 are in a closed state, the contact part 302 at one end of each fan blade 3 is buckled with the sleeve part 304 of the adjacent fan blade 3, and the outermost fan blades 3 extend to the outside of the tuyere 2 respectively, so that the tuyere 2 can be completely sealed after the fan blades 3 are overlapped, and the fan blades 3 can be stably opened after the unit is started. After wind in the wind channel blows in from wind gap 2, fan blade 3 rotates and opens for the depressed part 303 and the locating lever 5 of fan blade 3 laminate each other, and the outer end contact micro-gap switch 4 of contact site 302 simultaneously, thereby triggers micro-gap switch 4 and realizes the monitoring effect.
Claims (5)
1. Excitation is wind pressure monitoring devices for power cabinet, its characterized in that: including mounting bracket (1), the bottom of mounting bracket (1) is equipped with wind gap (2), it is connected with a plurality of fan blades (3) side by side to rotate on mounting bracket (1), alternate segregation and part overlap between adjacent fan blade (3), fan blade (3) are equipped with micro-gap switch (4) on mounting bracket (1) of keeping away from wind gap (2) one side, fan blade (3) are equipped with locating lever (5) on mounting bracket (1) of being close to micro-gap switch (4) one side, micro-gap switch (4) and locating lever (5) are misplaced each other.
2. The wind pressure monitoring device for the excitation power cabinet according to claim 1, characterized in that: the fan blade mounting structure is characterized in that the mounting frame (1) is U-shaped, the fan blades (3) are arranged at the bottom of the mounting frame (1), and the micro switch (4) is arranged outside the side wall of the mounting frame (1).
3. The wind pressure monitoring device for the excitation power cabinet according to claim 1, characterized in that: the fan blade (3) comprises a straight plate-shaped windward portion (301), one end of the windward portion (301) is rotatably connected with the mounting frame (1), the other end of the windward portion (301) is provided with a contact portion (302) with a semicircular cross section, and a concave portion (303) for buckling the positioning rod (5) is formed between the contact portion (302) and the windward portion (301).
4. The wind pressure monitoring device for the excitation power cabinet according to claim 3, wherein: the windward portion (301) is far away from one end of the contact portion (302) and is wound to form a sleeve portion (304), the inner side of the sleeve portion (304) is rotatably connected with a transverse shaft (6), and two ends of the transverse shaft (6) penetrate through the fan blades (3) and are connected with the mounting frame (1).
5. The wind pressure monitoring device for the excitation power cabinet according to claim 4, wherein: when the fan blades (3) are in a closed state, the contact parts (302) and the sleeve parts (304) of the adjacent fan blades (3) are buckled with each other; when the fan blades (3) are in an open state, the concave parts (303) and the positioning rods (5) are buckled with each other, and the contact part (302) of one fan blade (3) is attached to the microswitch (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221286418.XU CN217687639U (en) | 2022-05-25 | 2022-05-25 | Wind pressure monitoring device for excitation power cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221286418.XU CN217687639U (en) | 2022-05-25 | 2022-05-25 | Wind pressure monitoring device for excitation power cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217687639U true CN217687639U (en) | 2022-10-28 |
Family
ID=83702843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221286418.XU Active CN217687639U (en) | 2022-05-25 | 2022-05-25 | Wind pressure monitoring device for excitation power cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217687639U (en) |
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2022
- 2022-05-25 CN CN202221286418.XU patent/CN217687639U/en active Active
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