CN203911729U - Frequency converter - Google Patents
Frequency converter Download PDFInfo
- Publication number
- CN203911729U CN203911729U CN201420328720.6U CN201420328720U CN203911729U CN 203911729 U CN203911729 U CN 203911729U CN 201420328720 U CN201420328720 U CN 201420328720U CN 203911729 U CN203911729 U CN 203911729U
- Authority
- CN
- China
- Prior art keywords
- knob
- groove
- control panel
- frequency converter
- tread plate
- 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
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 238000004520 electroporation Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
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- Mechanical Control Devices (AREA)
Abstract
The utility model discloses a frequency converter, which comprises a box body, wherein the box body comprises a main machine box and a radiating box which are fixedly connected via screws, a control panel is arranged on the main machine box, the control panel is provided with a knob which is arranged outside the main machine box in a protruding manner and shaped like a column, a twist cap which can cover the knob is arranged on the knob, the outer circumferential surface of the side wall of the outer end of the knob is evenly provided with a plurality of clamping blocks along the circumference, the clamping blocks are arranged in a protruding manner and opposite to the direction of the circle center, an annular groove is arranged in the inwall of the twist cap, the clamping blocks can be arranged in the annular groove in a manner of axial sliding, the annular groove is provided with a plurality of clamping grooves which can be clamped with the clamping blocks in the wall of one end opposite to the control panel, a groove is arranged in the outer end surface of the knob, and a tension spring is arranged between the bottom wall of the groove and the twist cap. The frequency converter effectively solves the problem that the operation of the motor is affected because the knob is turned when the knob on the frequency converter is accidentally touched or the knob is turned by non-staff such as children for no reason.
Description
Technical field
The utility model relates to a kind of electroporation field, and more particularly, it relates to a kind of frequency converter.
Background technology
Frequency converter is application converter technique and microelectric technique, controls the electric control appliance of alternating current motor by changing machine operation supply frequency mode.Frequency converter is mainly comprised of rectification (AC-DC), filtering, inversion (direct current becomes interchange), brake unit, driver element, detecting unit microprocessing unit etc.Voltage and the frequency of cut-offfing to adjust out-put supply of the inner IGBT of portion of frequency converter; according to the actual needs of motor, provide its needed supply voltage, and then reach object energy-conservation, speed governing, in addition; frequency converter also has a lot of defencive functions, as overcurrent, overvoltage, overload protection etc.Along with improving constantly of industrial automatization, frequency converter has also obtained application very widely.Some frequency converters are provided with the knob with regulatory function; because knob is convexly equipped with outside frequency converter; so usually can occur because of being encountered because of carelessness in daily life that knob rotation causes the data on frequency converter to change the work that affects motor, or affect the work of motor because the inoperative personnel such as child remove turn knob gratuitously.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of frequency converter, this frequency converter efficiently solve the knob of encountering because of carelessness on electric frequency device occur knob turn or because of the inoperative personnel such as child without reason turn knob affect the problem of machine operation.
For achieving the above object, the utility model provides following technical scheme: a kind of frequency converter, comprise casing, described casing comprises mainframe box and the heat dissipation tank being fixed together by screw, described mainframe box is provided with control panel, described control panel is provided with and is convexly equipped with the knob that mainframe box is column outward, described knob is provided with the lid of turning round that covers knob, the outer circumference surface of described knob outer end sidewall is distributed with several fixture blocks that its center of circle direction is convexly equipped with dorsad along its even circumferential, the described inwall of turning round lid is provided with cannelure, described fixture block all can be arranged in cannelure axial slip, the wall of the relative control panel of described cannelure one end be provided with several can with the draw-in groove of fixture block clamping, described knob outer face is provided with groove, described groove diapire and turn round and be provided with back-moving spring between lid.
By adopting technique scheme, when needs turning knob, needing to turn round lid pulls outward, then slightly adjust fixture block is snapped in draw-in groove, when rotating, turn round when covering like this, knob just can be followed together and rotate, even if encountered so because of carelessness, turn round after lid, turning round lid also only can dally, can not drive knob, when child goes to rotate knob, rotation just turn round lid, knob can not rotate, like this with regard to efficiently solve the knob of encountering because of carelessness on electric frequency device occur knob turn or because of the inoperative personnel such as child without reason turn knob affect the problem of machine operation.
The utility model is further set to: described control panel is provided with the fixed lever perpendicular to control panel, described fixed lever free end is provided with perpendicular to fixed lever and has flexible connecting rod, described connecting rod and fixed lever are rotationally connected, the described center of covering outer end of turning round is provided with and compresses groove, described connecting rod and compress between bottom land wall and be provided with support rod, described support rod one end is fixedly connected with connecting rod is vertical, and the other end supports and is located on the diapire that compresses groove.
By adopting technique scheme, on control panel, be provided with after support rod, give people a kind of illusion of turning round lid can not outer post-tensioning, child is when lid is turned round in turn like this, he just only can go rotation turn round lid and can not remove to draw spiral cover, has so just more effectively avoided knob by the possibility of child's turn.
The utility model is further set to: described bottom portion of groove is provided with moving block, and described knob is provided with corresponding rotation slot, described moving block and rotation slot clamping and can in rotation slot, rotate, and described back-moving spring one end is installed on moving block.
By adopting technique scheme, bottom portion of groove is provided with moving block, when in fixture block does not snap in draw-in groove, lid is turned round in rotation like this, back-moving spring also can be followed and rotate together, prevent that child from getting worse back-moving spring when turning round lid in idle running always, lose the effect of tension and cause turning round lid and can not be tightened up, occur that fixture block can slide into the phenomenon in draw-in groove, if finally cause turning round lid, encountered because of carelessness, knob can rotate.
The utility model is further set to: described in turn round to cover and be provided with anti-skidding lines, described anti-skidding lines comprises the ring-type tread plate that covers the axial vertical tread plate arranging of circumferential surface and axially spaced-apart setting around turning round, and described vertical tread plate and ring-type tread plate interval arrange.
By adopting technique scheme, vertical tread plate and ring-type tread plate interval arrange, when when tension-torsion is covered, ring-type tread plate just increases finger and turns round the frictional force between lid, making to turn round lid is more easily drawn out, when turning round in rotation when covering, vertical tread plate just can increase to be pointed and turns round the frictional force between lid, makes when lid is turned round in rotation, to be not easy to skid.
Accompanying drawing explanation
Fig. 1 is the stereogram of the utility model frequency converter embodiment;
Fig. 2 is the enlarged drawing of A in Fig. 1;
Fig. 3 is knob and the structure chart of turning round lid;
Fig. 4 is knob and the blast structure chart of turning round lid.
Reference numeral: 1, casing; 2, mainframe box; 3, heat dissipation tank; 4, control panel; 5, knob; 6, turn round lid; 7, fixture block; 8, cannelure; 9, draw-in groove; 10, groove; 11, back-moving spring; 12, fixed lever; 13, connecting rod; 14, compress groove; 15, support rod; 16, moving block; 17, rotation slot; 18, anti-skidding lines; 181, vertical tread plate; 182, ring-type tread plate.
Embodiment
Referring to figs. 1 through Fig. 4, the utility model frequency converter embodiment is described further.
A kind of frequency converter, comprise casing 1, described casing 1 comprises mainframe box 2 and the heat dissipation tank 3 being fixed together by screw, described mainframe box 2 is provided with control panel 4, described control panel 4 is provided with and is convexly equipped with the outer knob 5 that is column of mainframe box 2, described knob 5 is provided with the lid of turning round that covers knob 5, the outer circumference surface of described knob 5 outer end sidewalls is distributed with several fixture blocks 7 that its center of circle direction is convexly equipped with dorsad along its even circumferential, described turning round covered 6 inwall and is provided with cannelure 8, described fixture block 7 all can be arranged in cannelure 8 axial slip, the wall of described cannelure 8 relative control panel 4 one end be provided with several can with the draw-in groove 9 of fixture block 7 clampings, described knob 5 outer faces are provided with groove 10, described groove 10 diapires and turn round between covering 6 and be provided with back-moving spring 11.Described control panel 4 is provided with the fixed lever 12 perpendicular to control panel 4, described fixed lever 12 free ends are provided with perpendicular to fixed lever 12 and have flexible connecting rod 13, described connecting rod 13 is rotationally connected with fixed lever 12, the described center of covering 6 outer ends of turning round is provided with and compresses groove 14, described connecting rod 13 and compress between groove 14 diapires and be provided with support rod 15, described support rod 15 one end are fixedly connected with connecting rod 13 is vertical, and the other end supports and is located on the diapire that compresses groove 14.Described groove 10 bottoms are provided with moving block 16, and described knob 5 is provided with corresponding rotation slot 17, described moving block 16 and rotation slot 17 clampings and can be in the interior rotation of rotation slot 17, and described back-moving spring 11 one end are installed on moving block 16.Described turning round covered 6 and is provided with anti-skidding lines 18, and described anti-skidding lines 18 comprises around turning round and cover the ring-type tread plate 182 that vertical tread plate 181 that 6 circumferential surfaces axially arrange and axially spaced-apart arrange, and described vertical tread plate 181 and ring-type tread plate 182 intervals arrange.
When needs turning knob 5, need to turn round and cover 6 and pull outward, then slightly adjust fixture block 7 is snapped in draw-in groove 9, when rotating, turn round when covering 6 like this, knob 5 just can be followed together and rotate, even after having encountered so because of carelessness and turning round and cover 6, turn round and cover 6 and also only can dally, can not drive knob 5, when child removes to rotate knob 5, that rotates just turns round and covers 6, and knob 5 can not rotate, like this with regard to efficiently solve the knob 5 of encountering because of carelessness on electric frequency device occur knob 5 turns or because of the inoperative personnel such as child without reason turn knob 5 affect the problem of machine operation.Because needs will be turned round and cover 6 and pull out fixture block 7 and snap onto in draw-in groove 9, such arranging could be rotated after pressing than those to turn round and be covered 6 be rotated when turning round to cover 6 knob 5 is more difficult after being encountered, and turns round to cover 6 and easily encountered and press in daily life.On control panel 4, be provided with after support rod 15, give people a kind of turn round cover 6 can not outer post-tensioning illusion, child turns round and covers in 6 in turn like this, he covers 6 and can not remove to draw spiral cover with regard to only going to rotate to turn round, so just more effectively avoided knob 5 by the possibility of child's turn, when needs rotate knob 5, as long as support rod 15 is pulled out and compressed outside groove 14, so just can cover 6 and pulled out turning round.Groove 10 bottoms are provided with moving block 16, at fixture block 7, do not snap in draw-in groove 9 to rotate to turn round like this and cover in 6, back-moving spring 11 also can be followed and rotate together, prevent that child from turning round when covering 6 back-moving spring 11 is got worse in idle running always, lose the effect of tension and cause turning round and cover 6 and can not be tightened up, occur that fixture block 7 can slide into the phenomenon in draw-in groove 9, if finally causing turning round cover 6 and encountered because of carelessness, knob 5 can rotation.Vertical tread plate 181 and ring-type tread plate 182 intervals arrange, when when tension-torsion covers 6, ring-type tread plate 182 just increases finger and turns round the frictional force of covering between 6, make to turn round and cover 6 and be more easily drawn out, when turning round in rotation when covering 6, vertical tread plate 181 just can increase to be pointed and turns round the frictional force of covering between 6, makes to turn round when covering 6 and be not easy to skid in rotation, and whole that skidproof effect is set is splendid.
Claims (4)
1. a frequency converter, comprise casing, described casing comprises mainframe box and the heat dissipation tank being fixed together by screw, described mainframe box is provided with control panel, described control panel is provided with and is convexly equipped with the knob that mainframe box is column outward, it is characterized in that: described knob is provided with the lid of turning round that covers knob, the outer circumference surface of described knob outer end sidewall is distributed with several fixture blocks that its center of circle direction is convexly equipped with dorsad along its even circumferential, the described inwall of turning round lid is provided with cannelure, described fixture block all can be arranged in cannelure axial slip, the wall of the relative control panel of described cannelure one end be provided with several can with the draw-in groove of fixture block clamping, described knob outer face is provided with groove, described groove diapire and turn round and be provided with back-moving spring between lid.
2. frequency converter according to claim 1, it is characterized in that: described control panel is provided with the fixed lever perpendicular to control panel, described fixed lever free end is provided with perpendicular to fixed lever and has flexible connecting rod, described connecting rod and fixed lever are rotationally connected, the described center of covering outer end of turning round is provided with and compresses groove, described connecting rod and compress between bottom land wall and be provided with support rod, described support rod one end is fixedly connected with connecting rod is vertical, and the other end supports and is located on the diapire that compresses groove.
3. frequency converter according to claim 1 and 2, it is characterized in that: described bottom portion of groove is provided with moving block, described knob is provided with corresponding rotation slot, described moving block and rotation slot clamping and can in rotation slot, rotate, and described back-moving spring one end is installed on moving block.
4. frequency converter according to claim 3, it is characterized in that: described in turn round to cover and be provided with anti-skidding lines, described anti-skidding lines comprises the ring-type tread plate that covers the axial vertical tread plate arranging of circumferential surface and axially spaced-apart setting around turning round, and described vertical tread plate and ring-type tread plate interval arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420328720.6U CN203911729U (en) | 2014-06-19 | 2014-06-19 | Frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420328720.6U CN203911729U (en) | 2014-06-19 | 2014-06-19 | Frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203911729U true CN203911729U (en) | 2014-10-29 |
Family
ID=51785975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420328720.6U Expired - Fee Related CN203911729U (en) | 2014-06-19 | 2014-06-19 | Frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203911729U (en) |
-
2014
- 2014-06-19 CN CN201420328720.6U patent/CN203911729U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 |