CN214757286U - Casing of explosion-proof frequency converter - Google Patents
Casing of explosion-proof frequency converter Download PDFInfo
- Publication number
- CN214757286U CN214757286U CN202120811271.0U CN202120811271U CN214757286U CN 214757286 U CN214757286 U CN 214757286U CN 202120811271 U CN202120811271 U CN 202120811271U CN 214757286 U CN214757286 U CN 214757286U
- Authority
- CN
- China
- Prior art keywords
- casing
- explosion
- shielding
- frequency converter
- proof frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 10
- 230000005670 electromagnetic radiation Effects 0.000 abstract description 9
- 238000002955 isolation Methods 0.000 abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052802 copper Inorganic materials 0.000 abstract description 5
- 239000010949 copper Substances 0.000 abstract description 5
- 229910052742 iron Inorganic materials 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
Images
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses a casing of explosion-proof frequency converter, including casing and stop gear, be provided with a plurality of shield plate on the inside wall of casing, be provided with connection chamber and installation cavity respectively between the inside of casing and the shield plate and between the shield plate, be provided with a plurality of shielding strip on the inside wall of casing in the inside of connection chamber, be provided with the metallic channel on the up end of shielding strip; the utility model discloses simple structure, reasonable in design falls into a plurality of isolation shielding district, the isolation shielding electromagnetic radiation effectively, prevent to electron on every side, electrical equipment produces electromagnetic radiation and produces electromagnetic noise to direct drive's motor, make motor iron loss and copper loss increase, and the condition of conducted interference to the power and passing through distribution network conduction for other equipment of system, connecting wire can rationally neatly distribute simultaneously, can increase connecting wire's stability effectively, guarantee explosion-proof converter's normal use.
Description
Technical Field
The utility model relates to a converter equipment technical field specifically is a casing of explosion-proof converter.
Background
The explosion-proof frequency converter is characterized by that it uses frequency conversion technology and microelectronic technology, and utilizes the mode of changing frequency and amplitude of working power supply of motor to control electric transmission element of AC motor, and the action of said frequency converter is to change frequency and amplitude of power supply of AC motor so as to change the period of its moving magnetic field and attain the goal of smoothly controlling motor rotation speed.
The defects of the prior art are as follows:
1. because the explosion-proof frequency converter has more leads, electromagnetic radiation can be generated to surrounding electronic and electrical equipment, and electromagnetic noise is generated to a directly driven motor, so that the iron loss and copper loss of the motor are increased, heat is generated, interference is conducted to a power supply, and the interference is conducted to other equipment of a system through a power distribution network;
2. meanwhile, after long-time use, the lead may loosen, which affects the normal operation of the frequency converter, even generates heat, and affects related equipment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a casing of explosion-proof converter to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a casing of explosion-proof converter, includes casing and stop gear, be provided with a plurality of shield plate on the inside wall of casing, be provided with between the inside of casing and the shield plate and be provided with between the shield plate and connect chamber and installation cavity respectively, be provided with a plurality of shielding strip in the inside of connecting the chamber on the inside wall of casing, be provided with the metallic channel on the up end of shielding strip, all be provided with the draw-in groove in the both sides of metallic channel on the up end of shielding strip, be provided with the apron on the side of casing one side, be provided with a plurality of and draw-in groove assorted shielding piece on the lower terminal surface of apron, stop gear sets up the inside of connecting the chamber on the casing.
Preferably, stop gear comprises a plurality of fixed block, a plurality of connecting axle, a plurality of connecting rod and a plurality of gag lever post, the casing is located and is provided with the fixed block between the shielding strip on connecting the lower terminal surface of intracavity portion, the activity is provided with the connecting axle on the fixed block, the activity is provided with the connecting rod on the side of connecting axle both sides, the other end activity of connecting rod is provided with the gag lever post, last round hole and the gag lever post sliding connection of seting up of shielding strip.
Preferably, the outer surface of the lower end of the shell is provided with a mounting groove, and the bottom of the mounting groove on the shell is provided with a plurality of heat dissipation columns.
Preferably, the shielding plate and the housing are provided with a plurality of through holes matched with the wire grooves.
Preferably, a rubber sealing ring is arranged on the lower end face of the cover plate, and a groove matched with the rubber sealing ring is formed in the shell.
Preferably, one end of the connecting shaft, which is close to the shielding plate, is provided with a bolt through a round hole, the other end of the connecting shaft is provided with a connecting plate, the other end of the connecting plate is provided with a plurality of springs, and the other ends of the springs are arranged on the inner side wall of the shell.
Preferably, the number of the limiting rods is at least three, and the lower end of each limiting rod is provided with a rubber bump.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this shell of explosion-proof frequency converter through being provided with shield plate, shielding strip and shielding piece, falls into a plurality of isolation shielding district, and the shielding electromagnetic radiation is kept apart effectively, prevents to produce electromagnetic radiation and produce electromagnetic noise to direct drive's motor to electron, electrical equipment on every side for the motor iron loss increases with the copper loss, and conducted interference to the power and the condition of other equipment of system through the conduction of distribution network.
2. This casing of explosion-proof converter through being provided with stop gear, stop gear comprises a plurality of fixed block, a plurality of connecting axle, a plurality of connecting rod and a plurality of gag lever post, and connecting wire can rationally neatly distribute, can increase connecting wire's stability effectively, guarantees explosion-proof converter's normal use.
Drawings
FIG. 1 is an overall transverse cross-sectional view of the present invention;
fig. 2 is a bottom view of the cover plate of the present invention;
fig. 3 is a bottom view of the housing of the present invention;
fig. 4 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.
In the figure: 1. a housing; 101. mounting grooves; 102. a heat-dissipating column; 2. a limiting mechanism; 21. a fixed block; 22. a connecting shaft; 23. a connecting rod; 24. a limiting rod; 3. a shielding plate; 31. a through hole; 4. a connecting cavity; 5. a mounting cavity; 6. a shielding strip; 61. a wire guide groove; 62. a card slot; 7. a cover plate; 71. a rubber seal ring; 8. a shielding block; 9. a bolt; 10. a connecting plate; 11. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-4, the present invention provides a technical solution: a shell of an explosion-proof frequency converter comprises a shell 1 and a limiting mechanism 2, wherein a plurality of shielding plates 3 are welded on the inner side wall of the shell 1, a connecting cavity 4 and an installation cavity 5 are respectively formed between the inner part of the shell 1 and the shielding plates 3 and between the shielding plates 3, a plurality of shielding strips 6 are welded inside the connecting cavity 4 on the inner side wall of the shell 1, a wire guide groove 61 is formed in the upper end surface of each shielding strip 6, clamping grooves 62 are formed in the two sides of each wire guide groove 61 on the upper end surface of each shielding strip 6, a cover plate 7 is installed on the side surface of one side of the shell 1 through bolts, a plurality of shielding blocks 8 matched with the clamping grooves 62 are welded on the lower end surface of the cover plate 7, and the limiting mechanism 2 is installed inside the connecting cavity 4 on the shell 1;
through the scheme, the shielding plate 3, the shielding strip 6 and the shielding block 8 are arranged to be divided into a plurality of isolation shielding areas, so that electromagnetic radiation is effectively isolated and shielded, electromagnetic radiation generated to surrounding electronic and electrical equipment and electromagnetic noise generated to a directly driven motor are prevented, iron loss and copper loss of the motor are increased, and interference is conducted to a power supply and conducted to other equipment of a system through a power distribution network.
In this embodiment, preferably, the limiting mechanism 2 is composed of a plurality of fixing blocks 21, a plurality of connecting shafts 22, a plurality of connecting rods 23 and a plurality of limiting rods 24, the fixing blocks 21 are welded between the shielding strips 6 on the lower end face inside the connecting cavity 4 of the housing 1, the connecting shafts 22 are connected to the fixing blocks 21 in a sliding manner by forming round holes, the connecting rods 23 are mounted on the side faces on the two sides of the connecting shafts 22 through pin shafts, the limiting rods 24 are mounted at the other ends of the connecting rods 23 through pin shafts, and the shielding strips 6 are connected to the limiting rods 24 in a sliding manner by forming round holes;
through the scheme, the limiting mechanism 2 is formed by the plurality of fixing blocks 21, the plurality of connecting shafts 22, the plurality of connecting rods 23 and the plurality of limiting rods 24, the connecting wires can be reasonably and neatly distributed, the stability of the connecting wires can be effectively improved, and the normal use of the explosion-proof frequency converter is guaranteed.
In this embodiment, preferably, an installation groove 101 is formed on the outer surface of the lower end of the casing 1, and a plurality of heat dissipation columns 102 are welded to the bottom of the installation groove 101 on the casing 1;
through the above scheme, the heat dissipation effect of the housing 1 can be increased by providing the plurality of heat dissipation posts 102.
In this embodiment, preferably, the shielding plate 3 and the housing 1 are provided with a plurality of through holes 31 matching with the wire grooves 61;
through the scheme, the through holes 31 are formed, so that the wires can be conveniently inserted and connected.
In this embodiment, preferably, the lower end surface of the cover plate 7 is connected with a rubber sealing ring 71 in a hot melting manner, and the casing 1 is provided with a groove matched with the rubber sealing ring 71;
through the scheme, the sealing effect between the shell 1 and the cover plate 7 can be improved by arranging the rubber sealing ring 71.
In this embodiment, preferably, a pin 9 is installed at one end of the connecting shaft 22 close to the shielding plate 3 through a circular hole, a connecting plate 10 is welded at the other end of the connecting shaft 22, a plurality of springs 11 are installed at the other end of the connecting plate 10, and the other ends of the springs 11 are installed on the inner side wall of the housing 1;
through the scheme, the connecting shaft 22 can be limited by the aid of the bolt 9, and the spring 11 is provided with a plurality of springs to facilitate resetting of the connecting shaft 22.
In this embodiment, preferably, the number of the limiting rods 24 is at least three, and the lower ends of the limiting rods 24 are connected with rubber bumps in a hot melting manner;
through the scheme, the lead can be better fixed.
The working principle of the utility model is as follows:
the casing of an explosion-proof frequency converter of this embodiment is when using, through shield plate 3, the isolation of shielding strip 6 and shielding piece 8, divide into a plurality of isolation shielding district, keep apart shielding electromagnetic radiation effectively, prevent to electron on every side, electrical equipment produces electromagnetic radiation and produces electromagnetic noise to direct drive's motor, make motor iron loss and copper loss increase, and conducted interference to the power and the condition of giving other equipment of system through distribution network conduction, be provided with stop gear 2 simultaneously, stop gear 2 is by a plurality of fixed block 21, a plurality of connecting axle 22, a plurality of connecting rod 23 and a plurality of gag lever post 24 are constituteed, it is fixed to the wire centre gripping effectively through gag lever post 24, connecting wire can rationally neatly distribute, connecting wire's stability can be increased effectively, guarantee explosion-proof frequency converter's normal use.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a casing of explosion-proof frequency converter, includes casing (1) and stop gear (2), its characterized in that: be provided with a plurality of shield plate (3) on the inside wall of casing (1), be provided with between casing (1) inside and shield plate (3) and between shield plate (3) respectively and connect chamber (4) and installation cavity (5), be provided with a plurality of shielding strip (6) in the inside of connecting chamber (4) on the inside wall of casing (1), be provided with wire guide (61) on the up end of shielding strip (6), all be provided with draw-in groove (62) in the both sides of wire guide (61) on the up end of shielding strip (6), be provided with apron (7) on the side of casing (1) one side, be provided with a plurality of and draw-in groove (62) assorted shielding piece (8) on the lower terminal surface of apron (7), stop gear (2) set up the inside of connecting chamber (4) on casing (1).
2. The enclosure of the explosion-proof frequency converter according to claim 1, wherein: stop gear (2) comprise a plurality of fixed block (21), a plurality of connecting axle (22), a plurality of connecting rod (23) and a plurality of gag lever post (24), casing (1) is located and is provided with fixed block (21) between shielding strip (6) on connecting the inside lower terminal surface in chamber (4), the activity is provided with connecting axle (22) on fixed block (21), the activity is provided with connecting rod (23) on the side of connecting axle (22) both sides, the other end activity of connecting rod (23) is provided with gag lever post (24), through seting up round hole and gag lever post (24) sliding connection on shielding strip (6).
3. The enclosure of the explosion-proof frequency converter according to claim 1, wherein: the heat dissipation device is characterized in that an installation groove (101) is formed in the outer surface of the lower end of the shell (1), and a plurality of heat dissipation columns (102) are arranged at the bottom of the installation groove (101) on the shell (1).
4. The enclosure of the explosion-proof frequency converter according to claim 1, wherein: and the shielding plate (3) and the shell (1) are provided with a plurality of through holes (31) matched with the wire grooves (61).
5. The enclosure of the explosion-proof frequency converter according to claim 1, wherein: the lower end face of the cover plate (7) is provided with a rubber sealing ring (71), and the shell (1) is provided with a groove matched with the rubber sealing ring (71).
6. The enclosure of the explosion-proof frequency converter according to claim 2, wherein: one end, close to the shielding plate (3), of the connecting shaft (22) is provided with a bolt (9) through a round hole, the other end of the connecting shaft (22) is provided with a connecting plate (10), the other end of the connecting plate (10) is provided with a plurality of springs (11), and the other ends of the springs (11) are arranged on the inner side wall of the shell (1).
7. The enclosure of the explosion-proof frequency converter according to claim 2, wherein: the number of the limiting rods (24) is at least three, and rubber bumps are arranged at the lower ends of the limiting rods (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120811271.0U CN214757286U (en) | 2021-04-20 | 2021-04-20 | Casing of explosion-proof frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120811271.0U CN214757286U (en) | 2021-04-20 | 2021-04-20 | Casing of explosion-proof frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214757286U true CN214757286U (en) | 2021-11-16 |
Family
ID=78611432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120811271.0U Expired - Fee Related CN214757286U (en) | 2021-04-20 | 2021-04-20 | Casing of explosion-proof frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214757286U (en) |
-
2021
- 2021-04-20 CN CN202120811271.0U patent/CN214757286U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214757286U (en) | Casing of explosion-proof frequency converter | |
| CN113286498A (en) | Integrated heat dissipation module, vehicle-mounted charger and electric automobile | |
| CN214155198U (en) | Heat radiation structure of switch power supply | |
| CN216353696U (en) | Transformer box body with high-efficiency high-density thinning heat dissipation tooth structure | |
| CN216252086U (en) | Z-shaped bus duct | |
| CN209627969U (en) | A kind of power supply device | |
| CN112837936A (en) | Direct current group film capacitor | |
| CN221709545U (en) | Flat wire motor and oil cooling structure thereof | |
| CN217881086U (en) | AR type that filtering capability is strong is wireless charges and uses magnetic core | |
| CN212367451U (en) | Base station control cabinet for 5G communication | |
| CN214279815U (en) | Direct current group film capacitor | |
| CN219499103U (en) | Variable frequency motor and variable frequency all-in-one | |
| CN221042426U (en) | Motor with a motor housing | |
| CN210120462U (en) | Anti-interference integrated motor | |
| CN220528467U (en) | Converter, electrical equipment and energy storage system | |
| CN221669661U (en) | Liquid cooling servo motor | |
| CN210167236U (en) | Heat dissipation type high power inductance | |
| CN219738697U (en) | High-efficient heat dissipation power transformer | |
| CN219205036U (en) | Safety insulation protection structure | |
| CN215835315U (en) | Anticreep wisdom power | |
| CN210327395U (en) | Copper bar structure with heat dissipation function | |
| CN219752131U (en) | Heat insulation device and quartz melting furnace equipment | |
| CN221596130U (en) | High-voltage transformer integrated module | |
| CN113038752B (en) | Magnetic element module and vehicle-mounted charger | |
| CN217061933U (en) | Heat radiation structure and circuit breaker of circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |