CN213846524U - Positive pressure type frequency conversion cabinet - Google Patents
Positive pressure type frequency conversion cabinet Download PDFInfo
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- CN213846524U CN213846524U CN202023103076.7U CN202023103076U CN213846524U CN 213846524 U CN213846524 U CN 213846524U CN 202023103076 U CN202023103076 U CN 202023103076U CN 213846524 U CN213846524 U CN 213846524U
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Abstract
The application relates to the field of frequency conversion cabinets, in particular to a positive pressure type frequency conversion cabinet. It includes the inverter cabinet body, inverter cabinet body one side is rotated and is connected with the revolving door, be connected with the air-supply line on the opposite side of inverter cabinet body, be connected with the fan on the air-supply line, be provided with the active carbon that is used for absorbing oil in the fan, the air-supply line passes the inverter cabinet body and gets into this internal, the exhaust vent has been seted up on the revolving door, be provided with the connecting piece that links to each other with the inverter cabinet body on the air-supply line. This application has through the air after carrying the filtration to the converter cabinet is inside to the reduction has seen the inside oil content of converter cabinet, has reduced and has leaded to damaging possible effect with the device contact.
Description
Technical Field
The application relates to the field of frequency conversion cabinets, in particular to a positive pressure type frequency conversion cabinet.
Background
The frequency conversion cabinet is a device applied to frequency conversion technology and microelectronic technology, and controls the power control device of an alternating current motor by changing the frequency of a working power supply of the motor.
Chinese utility model for CN207588688U discloses a frequency conversion cabinet that radiating efficiency is good if bulletin number authorizes, including playing lug, heat dissipation fan, transom, LED light, fin, I-steel, damping spring, toolbox and control switch, the top of frequency conversion cabinet body is provided with the lug, and is provided with the heat dissipation fan in the middle of the frequency conversion cabinet body, the inside of heat dissipation fan is provided with the flabellum, the below of handle is provided with the transom, and this frequency conversion cabinet is safe in utilization convenient, has set up and has lifted by crane ear and universal wheel, and it is more convenient to carry and remove, has set up I-steel and damping spring, and the steadiness of product improves, and the setting of heat dissipation fan, and the work of product is more secure, when breaking down, has LED light and toolbox, convenient repair. The frequency conversion cabinet can be used in different scenes.
In view of the above-mentioned related art, the inventor believes that when the inverter cabinet is used, the inverter cabinet may be used near a gas station, the density of oil near the gas station is high, and the oil may contact with devices inside the inverter to cause a fire or an explosion.
SUMMERY OF THE UTILITY MODEL
In order to solve the possibility that reduces oil and converter cabinet inner wall device contact, this application provides a positive pressure type converter cabinet.
The application provides a positive pressure type inverter cabinet adopts following technical scheme:
the utility model provides a positive pressure type frequency conversion cabinet, includes the frequency conversion cabinet body, frequency conversion cabinet body one side is rotated and is connected with the revolving door, be connected with the air-supply line on the opposite side of frequency conversion cabinet body, be connected with the fan on the air-supply line, be provided with the active carbon that is used for absorbing oil in the fan, the air-supply line passes the frequency conversion cabinet body and gets into this internal, the exhaust vent has been seted up on the revolving door, be provided with the connecting piece that links to each other with the frequency conversion cabinet body on the air-supply line.
Through adopting above-mentioned technical scheme, the staff is carrying out the inverter cabinet near filling station when using, install the air-supply line in inverter cabinet is originally internal, open the fan after that, the absorptive air of fan from the outside absorbs through the active carbon absorption in the fan, greatly reduced the content of the interior oil of the fan of entering, after that, carry the air to inverter cabinet originally internally, go out from the exhaust vent, the inverter cabinet body is located the lateral wall of revolving door and has the air to come out from inside always, the probability of getting into the inverter cabinet body from the front has been reduced, thereby the content of this internal oil of inverter cabinet has been reduced, the possibility with equipment contact explosion has been reduced.
Preferably, an insertion groove is formed in the inner wall of the frequency conversion cabinet body, the connecting piece comprises a connecting rod connected to the air inlet pipe, a through groove is formed in the side wall of the other side of the frequency conversion cabinet body, the connecting rod penetrates through the through groove to enter the frequency conversion cabinet body, a shielding piece for shielding the through hole is arranged on the frequency conversion cabinet body, and the connecting rod is inserted into the insertion groove.
Through adopting above-mentioned technical scheme, when carrying out the installation of air-supply line, the connecting rod is aimed at and is worn the groove, and the air-supply line gets into this internal back of frequency conversion cabinet with the air-supply line installation for connecting rod on the air-supply line is relative with the inserting groove, pegs graft the connecting rod in the inserting groove after that, thereby accomplishes the installation to air-supply line and frequency conversion cabinet body.
Preferably, the connecting rod is provided with a connecting groove, the connecting piece further comprises a connecting block connected in the connecting groove in a sliding manner, the connecting groove is internally provided with a drive, the connecting block extends out of a connecting spring in the connecting groove, two ends of the connecting spring are respectively connected with the bottom of the connecting groove and the connecting block, the groove wall of the inserting groove is provided with a positioning groove, the connecting block is inserted in the positioning groove, and the frequency conversion cabinet body is provided with a drive driving piece for driving the air inlet pipe to be separated from the frequency conversion cabinet body.
Through adopting above-mentioned technical scheme, when carrying out the installation of air-supply line, open the revolving door, press the connecting block on the connecting rod after that and get into the spread groove in, insert the connecting rod in the plug groove after that, the connecting block receives the effort of plug groove cell wall, make the connecting block be in the state that gets into in the spread groove always, continue the plug connecting rod after that, make the connecting block relative with the opening of constant head tank, the connecting block receives coupling spring's effort, make the connecting block peg graft in the constant head tank. Further increasing the stability of the connection.
Preferably, the driving piece including slide connect in locating lever in the constant head tank, the locating lever passes the constant head tank lateral wall and stretches out this external of frequency conversion cabinet, the lateral wall that the connecting block is close to the locating lever is the direction inclined plane, the locating lever with the connecting block is mutually supported.
Through adopting above-mentioned technical scheme, when carrying out the air-supply line and frequency conversion cabinet body separation, staff's drive locating lever slides towards the direction of connecting block, because the connecting block lateral wall is the direction inclined plane, the locating lever produces the effort to the connecting block for the direction of connecting block plug-in connection groove slides, and then the staff outwards pulls out the connecting rod, thereby accomplishes the separation of air-supply line and frequency conversion cabinet body.
Preferably, the positioning rod is connected with a positioning sheet, a limiting groove is formed in the frequency conversion cabinet body, and the positioning rod and the positioning sheet are connected in the limiting groove in a sliding manner.
Through adopting above-mentioned technical scheme, through setting up the spacer to make at the in-process that the locating lever was sliding, because the spacer is at the spacing inslot, make the locating lever can not follow this internal sliding of frequency conversion cabinet and go out.
Preferably, the locating lever is sleeved with a return spring, and two ends of the return spring are respectively connected with the side wall of the limiting groove close to the connecting block and the locating piece.
Through adopting above-mentioned technical scheme, need not use the locating lever be, reset spring produces the effort to the locating plate, and the locating plate drives the locating lever and slides towards the direction of keeping away from the connecting block for the locating lever has been reduced and has produced the effort to the connecting block when not using.
Preferably, the shielding piece comprises a screw rod rotatably connected to the frequency conversion cabinet body and a shielding block connected to the screw rod, and the shielding block is shielded on the through groove.
Through adopting above-mentioned technical scheme, after carrying out the air-supply line installation, the staff rotates the lead screw, and the lead screw drives to hide the dog and go to shelter from the cross slot to it is internal that it gets into the frequency conversion cabinet to have reduced not through filterable oil.
Preferably, a differential pressure gauge is arranged in the frequency conversion cabinet body and used for detecting the pressure intensity of the air pressure outside the frequency conversion cabinet body and the pressure intensity of the air pressure inside the frequency conversion cabinet body and calculating and displaying the pressure intensity difference value.
Through adopting above-mentioned technical scheme, through showing differential pressure value, can observe inside atmospheric pressure and outside atmospheric pressure, make things convenient for the staff to observe whether inside atmospheric pressure is stable.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the air after carrying the filtration to the converter cabinet is inside to the reduction has seen the inside oil content of converter cabinet, has reduced and has leaded to the possibility of damaging with the device contact.
2. Through setting up the connecting piece, increased the joint strength of air-supply line and frequency conversion cabinet body.
3. Through setting up the locating lever, make things convenient for the staff to dismantle the air-supply line.
Drawings
Fig. 1 is a schematic view of the overall structure of the present application.
Fig. 2 is a schematic structural view of a backside view of the present application.
Fig. 3 is a schematic sectional structural view along the length direction of the frequency conversion cabinet body, and is used for showing a through groove.
Fig. 4 is an enlarged schematic view of a portion a of fig. 3 for illustrating the connection member.
Reference numerals: 1. a frequency conversion cabinet body; 21. a rotating door; 22. a first support sleeve; 23. a second support sleeve; 24. a third support sleeve; 25. a support bar; 26. an air outlet; 31. a support block; 32. a fan; 33. an air outlet pipe; 34. an air inlet pipe; 41. a connecting rod; 42. penetrating a groove; 43. inserting grooves; 44. connecting grooves; 5. a connecting member; 51. a connecting spring; 52. connecting blocks; 61. positioning a groove; 62. a limiting groove; 63. positioning a rod; 71. positioning plates; 72. a return spring; 8. a differential pressure gauge; 9. an inlet pipe orifice; 10. a lead screw; 11. a fixed block; 12. and (6) blocking the blocks.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses positive pressure type frequency conversion cabinet. Referring to fig. 1, a positive pressure type inverter cabinet includes inverter cabinet body 1, rotates on 1 side lateral wall of inverter cabinet body and is connected with revolving door 21, and the pivot of revolving door 21 is unanimous with vertical direction. The rotating door 21 is fixedly connected with a first supporting sleeve 22 and a second supporting sleeve 23, the side wall of the frequency conversion cabinet body 1 close to the first supporting sleeve 22 is fixedly connected with a third supporting sleeve 24, and the openings of the first supporting sleeve 22, the second supporting sleeve 23 and the third supporting sleeve 24 are opposite. The first supporting sleeve 22 and the second supporting sleeve 23 are connected with a supporting rod 25 in a sliding manner, the supporting rod 25 is inserted into the third supporting sleeve 24, and the rotating door 21 is provided with a plurality of air outlet holes 26. When carrying out the inside maintenance installation of frequency conversion cabinet, the bracing piece 25 that slides for bracing piece 25 and the separation of third support cover 24 rotate revolving door 21 after that, open revolving door 21, maintain.
Referring to fig. 1 and 2, a supporting block 31 is arranged on the other side of the frequency conversion cabinet body 1, a fan 32 is fixedly connected to the side wall of the supporting block 31 far away from the ground, activated carbon is arranged in the fan 32, the activated carbon can absorb oil entering the fan 32 from the outside, an air outlet pipe 33 is fixedly connected to the side wall of the fan 32 close to the frequency conversion cabinet body 1, an activated carbon layer is arranged in the air outlet pipe 33 and is used for absorbing the oil, two air inlet pipes 34 are fixedly connected to the side wall of the air outlet pipe 33 close to the frequency conversion cabinet body 1, the two air inlet pipes 34 are both communicated with the air outlet pipe 33, the air inlet pipes 34 and the air outlet pipe 33 can rotate relatively, and the air inlet pipes 34 are flexible pipes.
Referring to fig. 3 and 4, be provided with connecting piece 5 on the air-supply line 34, connecting piece 5 includes connecting rod 41 and connecting block 52, air-supply line 34 keeps away from on the pore wall of mouth of pipe 9 with connecting rod 41 fixed connection, frequency conversion cabinet body 1 has been kept away from and has been seted up two mouth of pipes 9 on the lateral wall of revolving door 21, advance mouth of pipe 9 and play tuber pipe 33 one-to-one, wear groove 42 has been seted up on frequency conversion cabinet body 1 is close to the lateral wall of play tuber pipe 33, it is linked together with wearing groove 42 to advance mouth of pipe 9, wear groove 42 and the inside of frequency conversion cabinet body 1 to be linked together, inserting groove 43 has been seted up on frequency conversion cabinet body 1 inner wall, connecting rod 41 pegs graft in wearing groove 42. When carrying out the installation of air-supply line 34 and getting into converter cabinet body 1 inside, aim at the mouth of pipe 9 with the mouth of pipe of air-supply line 34 and insert, connecting rod 41 passes and wears groove 42 and gets into converter cabinet body 1 in, follow another side of converter cabinet body 1 and pull out tuber pipe 33 in to converter cabinet body 1 after that, because it is the hose to go out tuber pipe 33, make connecting rod 41 and wear the separation of groove 42, continue to pull to the direction that is close to revolving door 21 after that, make connecting rod 41 relative with inserting groove 43, insert inserting groove 43 with connecting rod 41 after that, accomplish primary erection.
Referring to fig. 2, the fixing block 11 is fixedly connected to the side wall of the frequency conversion cabinet body 1 close to the air inlet pipe 34, and a shielding piece is arranged on the fixing block 11 and comprises a lead screw and a shielding block. The screw rod 10 is rotatably connected with the fixed block 11, the end part of the screw rod 10 close to the air inlet pipe 34 is in threaded connection with the shielding block 12, the shielding block 12 covers the through groove 42, and a certain distance is kept between the end part of the screw rod 10 and the through groove 42.
Referring to fig. 3 and 4, a connecting groove 44 is formed in the side wall of the connecting rod 41 close to the rotating door 21, a connecting spring 51 is arranged in the connecting groove 44, two ends of the connecting spring 51 are respectively fixedly connected with a connecting block 52 and the bottom of the connecting groove 44, the connecting block 52 is slidably connected in the connecting groove 44, the connecting block 52 extends out of the connecting groove 44, and the side wall of the connecting block 52 far away from the air inlet pipe 34 is a guide inclined surface. The connecting groove 44 is provided with a positioning groove 61 on the groove wall close to the rotating door 21, the connecting block 52 is inserted in the positioning groove 61, the groove wall of the positioning groove 61 is far away from the side wall of the air outlet pipe 33 and is provided with a limit groove 62, a driving piece is arranged in the limit groove 62, and the driving piece comprises a positioning rod 63. The positioning rod 63 is connected in the limiting groove 62 in a sliding manner, the end part of the positioning rod 63 close to the connecting block 52 is inserted into the positioning groove 61, and the positioning rod 63 is connected in the positioning groove 61 in a sliding manner. The positioning rod 63 is sleeved with a return spring 72, a positioning piece 71 is fixedly connected to the side wall of the positioning rod 63 far away from the connecting block 52, the positioning piece 71 is connected in the limiting groove 62 in a sliding manner, and two ends of the return spring 72 are respectively fixedly connected with the positioning piece 71 and the groove wall of the limiting groove 62 near the connecting block 52. The side wall of the locating rod 63 far away from the connecting block 52 passes through the side wall of the frequency conversion cabinet body 1 and extends out of the frequency conversion cabinet body 1.
Referring to fig. 2, a differential pressure gauge 8 is further fixedly connected to the side wall of the frequency conversion cabinet body 1, and the differential pressure gauge 8 is used for detecting the air pressure inside the frequency conversion cabinet body 1 and the air pressure outside the frequency conversion cabinet body 1, calculating the difference between the air pressure and the air pressure, and displaying the difference on the differential pressure gauge 8.
The implementation principle of a positive pressure type frequency conversion cabinet in the embodiment of the application is as follows: before the staff uses the inverter cabinet, install air-supply line 34 in inverter cabinet body 1 earlier, peg graft connecting rod 41 towards inserting groove 43 in succession, because the lateral wall that connecting rod 41 was kept away from to connecting block 52 is the direction inclined plane, make connecting rod 41 peg graft in inserting groove 43, open fan 32 after that, wind in the fan 32 has absorbed oil by activated carbon, the activated carbon that goes out the interior setting of tuber pipe 33 has further reduced oil, make the continuous ventilation of air-supply line 34, make the outside air-out that the inverter cabinet does not stop, the inside oil that gets into from the external world has been reduced, the emergence of accident has been reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a positive pressure type inverter cabinet, includes inverter cabinet body (1), its characterized in that: the utility model discloses a frequency conversion cabinet, including frequency conversion cabinet body (1), fan (32), be provided with the active carbon that is used for absorbing oil in fan (32), air-supply line (34) pass frequency conversion cabinet body (1) and get into in frequency conversion cabinet body (1), the exhaust vent (26) have been seted up on rotating door (21), be provided with connecting piece (5) that link to each other with frequency conversion cabinet body (1) on air-supply line (34).
2. The positive pressure type frequency conversion cabinet according to claim 1, wherein: the frequency conversion cabinet is characterized in that an insertion groove (43) is formed in the inner wall of the frequency conversion cabinet body (1), the connecting piece (5) comprises a connecting rod (41) connected to the air inlet pipe (34), a through groove (42) is formed in the side wall of the other side of the frequency conversion cabinet body (1), the connecting rod (41) penetrates through the through groove (42) to enter the frequency conversion cabinet body (1), a shielding piece for shielding a through hole is arranged on the frequency conversion cabinet body (1), and the connecting rod (41) is inserted into the insertion groove (43).
3. The positive pressure type frequency conversion cabinet according to claim 2, wherein: the connecting rod (41) is provided with a connecting groove (44), the connecting piece (5) further comprises a connecting block (52) connected with the connecting groove (44) in a sliding manner, the connecting groove (44) is internally provided with a drive, the connecting block (52) extends out of a connecting spring (51) in the connecting groove (44), two ends of the connecting spring (51) are respectively connected with the bottom of the connecting groove (44) and the connecting block (52), the groove wall of the insertion groove (43) is provided with a positioning groove (61), the connecting block (52) is inserted into the positioning groove (61), and the frequency conversion cabinet body (1) is provided with a drive part for driving the air inlet pipe (34) to be separated from the frequency conversion cabinet body (1).
4. The positive pressure type frequency conversion cabinet according to claim 3, wherein: the driving piece is including sliding connection in locating lever (63) in constant head tank (61), outside locating lever (63) passed constant head tank (61) lateral wall and stretches out frequency conversion cabinet body (1), connecting block (52) are close to the lateral wall of locating lever (63) and are the direction inclined plane, locating lever (63) with connecting block (52) mutually support.
5. The positive pressure type frequency conversion cabinet according to claim 4, wherein: the frequency conversion cabinet is characterized in that a positioning piece (71) is connected to the positioning rod (63), a limiting groove (62) is formed in the frequency conversion cabinet body (1), and the positioning rod (63) and the positioning piece (71) are connected to the limiting groove (62) in a sliding mode.
6. The positive pressure type frequency conversion cabinet according to claim 5, wherein: the positioning rod (63) is sleeved with a return spring (72), and two ends of the return spring (72) are respectively connected with the side wall of the limiting groove (62) close to the connecting block (52) and the positioning sheet (71).
7. The positive pressure type frequency conversion cabinet according to claim 2, wherein: the shielding piece comprises a lead screw (10) rotatably connected to the frequency conversion cabinet body (1) and a shielding block (12) connected to the lead screw (10), and the shielding block (12) is shielded on the through groove (42).
8. The positive pressure type frequency conversion cabinet according to claim 1, wherein: be provided with differential pressure gauge (8) in frequency conversion cabinet body (1), differential pressure gauge (8) are used for detecting the atmospheric pressure intensity of frequency conversion cabinet body (1) outside and the pressure intensity of frequency conversion cabinet body (1) inside atmospheric pressure to calculate and show the pressure difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023103076.7U CN213846524U (en) | 2020-12-21 | 2020-12-21 | Positive pressure type frequency conversion cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023103076.7U CN213846524U (en) | 2020-12-21 | 2020-12-21 | Positive pressure type frequency conversion cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213846524U true CN213846524U (en) | 2021-07-30 |
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ID=76998927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023103076.7U Active CN213846524U (en) | 2020-12-21 | 2020-12-21 | Positive pressure type frequency conversion cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213846524U (en) |
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2020
- 2020-12-21 CN CN202023103076.7U patent/CN213846524U/en active Active
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