CN210781866U - Special converter heat abstractor of hoist - Google Patents
Special converter heat abstractor of hoist Download PDFInfo
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- CN210781866U CN210781866U CN201921472591.7U CN201921472591U CN210781866U CN 210781866 U CN210781866 U CN 210781866U CN 201921472591 U CN201921472591 U CN 201921472591U CN 210781866 U CN210781866 U CN 210781866U
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- heat dissipation
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- radiating
- eccentric cam
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Abstract
The utility model belongs to the technical field of the converter, a special converter heat abstractor of hoist is disclosed, heat exchanger that looses outside the converter shell, two sets of cooling plate subassembly and actuating mechanism, be equipped with the condenser pipe in the heat exchanger that looses, take the gas outlet of filter screen one, the lower surface of filter screen one is provided with the fan, the top of converter shell corresponds the gas outlet and is provided with the gas vent of taking filter screen two, two sets of cooling plate subassemblies are located the heat exchanger left and right sides respectively, cooling plate subassembly includes heating panel A and on heating panel A from last to a plurality of heating panel B of evenly distributed down, heating panel B's one end is connected with heating panel A hinge, the other end stretches into in the converter shell, heat exchanger is passed to heating panel A's bottom and elastic buffer board is connected down, be equipped with the eccentric cam of being. The utility model has high sealing performance, good dustproof effect, good heat dissipation effect and strong practicability; simple structure and convenient maintenance.
Description
Technical Field
The utility model relates to a converter technical field especially relates to a special converter heat abstractor of hoist.
Background
The converter is by all kinds of fields of wide application, general converter all sets up in the converter shell, prior art's converter generally all is furnished with the radiator, its radiator mainly is the metal radiator, laminating circuit board then the forced heat dissipation of rethread fan during the use, though can realize the radiating effect, but can influence the sealing performance of converter during the use, and the radiating effect is also relatively poor, especially in the more environment of some high humidity or dust, the converter can get into because of impurity such as high humidity or dust, the reliability and the life that make the converter all receive serious influence. Especially, the special frequency converter for the crane has certain limitation and pertinence in the use environment, the existing heat dissipation structure cannot meet the use requirement of the special frequency converter, and a heat dissipation device with high heat dissipation efficiency, dust prevention, moisture prevention, applicability and practicability is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming current technical problem, a special converter heat abstractor of hoist is provided.
In order to achieve the purpose, the utility model is implemented according to the following technical scheme:
a heat dissipation device of a special frequency converter for a crane comprises a heat dissipation cover outside a shell of the frequency converter, two groups of heat dissipation plate assemblies and a driving mechanism, wherein a snakelike condensation pipe is arranged on the inner side wall of the heat dissipation cover, an air outlet is formed in the top of the heat dissipation cover, a first filter screen is arranged at the air outlet, a fan is arranged on the lower surface of the first filter screen, a left vertical through hole and a right vertical through hole are formed in the bottom of the heat dissipation cover, an air outlet is formed in the top of the shell of the frequency converter corresponding to the;
the two groups of radiating plate assemblies are respectively positioned on the left side and the right side of the radiating cover, each radiating assembly comprises a radiating plate A and a plurality of radiating plates B, the plurality of radiating plates B are uniformly distributed on the radiating plate A from top to bottom, one end of each radiating plate B is hinged with the corresponding radiating plate A through a hinge shaft, the other end of each radiating plate B is provided with a horizontal through hole corresponding to the frequency converter shell, each radiating plate B penetrates through the corresponding horizontal through hole and extends into the frequency converter shell, the height of each horizontal through hole is greater than the thickness of each radiating plate B, a supporting column is fixed in each horizontal through hole, and the top end of each supporting column is hinged; the bottom end of the heat dissipation plate A penetrates through the corresponding vertical through hole and is fixedly connected with a lower elastic buffer plate, an upper elastic buffer plate is fixed at the position, close to the vertical through hole, of the heat dissipation plate A in the heat dissipation cover, and the thickness of the heat dissipation plate A is smaller than the width of the vertical through hole;
actuating mechanism includes driving motor, initiative pivot, driven spindle and left eccentric cam, right eccentric cam, driving motor connects left eccentric cam through the initiative pivot, left side eccentric cam is located the left lower elastic buffer board of heat exchanger under, right side eccentric cam is located the lower elastic buffer board on heat exchanger right side under, and right side eccentric cam is connected with driven spindle, be connected through the belt between driven spindle and the initiative pivot.
The cooperative relationship among the components is as follows: the heat dissipation cover provides a closed dust-proof heat dissipation space for heat dissipation of the frequency converter; the fan accelerates the air flow in the heat dissipation cover, and the heat exchange efficiency in the heat dissipation cover is improved by matching the fan with the condensation pipe and the heat dissipation plate assembly; the first filter screen and the second filter screen play roles in ventilation and double-layer filtering, so that the heat dissipation effect is improved, and dust in the air is prevented from entering the heat dissipation cover and the shell of the frequency converter; the heat dissipation plate B at the end is hinged with the heat dissipation plate A, the bottom end of the heat dissipation plate A extends out of the heat dissipation cover and is connected with an upper elastic buffer plate and a lower elastic buffer plate, an eccentric cam is arranged right below the lower elastic buffer plate, the heat dissipation plate A moves up and down circularly along with the rotation of the eccentric cam, and the heat dissipation plate A moves left and right in the vertical through hole while moving up and down due to the fact that the heat dissipation plate B is hinged with a support column in the horizontal through hole; the heat dissipation plate B is driven by the heat dissipation plate A to rotate around the top end of the support column periodically, and the movement of the heat dissipation plate B accelerates the air flow in the frequency converter shell and in the heat dissipation cover under the condition that the sealing performance of the frequency converter shell is not influenced, so that the heat dissipation effect is improved.
Preferably, the horizontal through hole and the heat dissipation plate B are sealed through the elastic corrugated sheet, and the position is arranged under the condition that the movement of the heat dissipation plate A is not influenced, so that the sealing performance of the shell of the frequency converter is enhanced, and dust is prevented from entering the shell of the frequency converter to influence the normal work of the frequency converter.
Preferably, the vertical through hole is sealed through the elastic corrugated sheet, a channel for the heat dissipation plate A to pass through is arranged in the middle of the elastic corrugated sheet, and the position of the channel is arranged under the condition that the movement of the heat dissipation plate A is not influenced, so that the sealing performance of the heat dissipation cover is improved, and the phenomenon that external air dust is adsorbed on the heat dissipation plate to influence the heat dissipation effect when entering the heat dissipation cover is avoided.
The utility model discloses in still including other subassemblies that can make the device normal use, it all belongs to the conventional selection in this field, like the control assembly of control condensate circulation in the condenser pipe, the control assembly of fan etc.. In addition, the device or the assembly which is not limited in the utility model adopts the conventional means in the field, for example, the equipment such as the fan, the eccentric cam, the condenser pipe, the filter screen and the like all adopt the conventional structure.
The utility model discloses a theory of operation: the heat dissipation cover provides a closed dust-proof heat dissipation space for heat dissipation of the frequency converter; the fan accelerates the air flow in the heat dissipation cover, and the heat exchange efficiency in the heat dissipation cover is improved by matching the fan with the condensation pipe and the heat dissipation plate assembly; the first filter screen and the second filter screen play roles in ventilation and double-layer filtering, so that the heat dissipation effect is improved, and dust in the air is prevented from entering the heat dissipation cover and the shell of the frequency converter; the heat dissipation plate B at the end is hinged with the heat dissipation plate A, the bottom end of the heat dissipation plate A extends out of the heat dissipation cover and is connected with an upper elastic buffer plate and a lower elastic buffer plate, an eccentric cam is arranged right below the lower elastic buffer plate, the heat dissipation plate A moves up and down circularly along with the rotation of the eccentric cam, and the heat dissipation plate A moves left and right in the vertical through hole while moving up and down due to the fact that the heat dissipation plate B is hinged with a support column in the horizontal through hole; the heat dissipation plate B is driven by the heat dissipation plate A to rotate around the top end of the support column periodically, when the heat dissipation plate A moves upwards, the heat dissipation plate A moves towards the center direction of the heat dissipation cover in the vertical through hole, and at the moment, the part of the heat dissipation plate B extending into the shell of the frequency converter moves downwards to suck cold air in the heat dissipation cover into the shell of the frequency converter; when the heat dissipation plate A moves downwards, the heat dissipation plate A moves towards the edge direction of the heat dissipation cover in the vertical through hole, and the part of the heat dissipation plate B extending into the shell of the frequency converter moves upwards at the moment, so that hot air in the heat dissipation cover is pushed out of the shell of the frequency converter; therefore, the movement of the heat dissipation plate B accelerates the air flow in the frequency converter shell and the inside of the heat dissipation cover under the condition of not influencing the sealing performance of the frequency converter shell, and the heat dissipation effect is improved.
The utility model discloses following beneficial effect has been reached: the sealing performance is high, the dustproof effect is good, the heat dissipation effect is good, and the practicability and practicability are high; simple structure and convenient maintenance.
Drawings
Fig. 1 is a working state diagram of the heat dissipation plate a of the present invention moving to the lowest point;
fig. 2 is a diagram of the working state when the heat dissipation plate a of the present invention moves to the middle point;
fig. 3 is a working state diagram of the heat dissipation plate a of the present invention moving to the highest point;
FIG. 4 is an enlarged view of FIG. 2A;
fig. 5 is a top view of the vertical through hole of the present invention.
In the figure: 1. a heat dissipation cover; 2. a condenser tube; 3. a first filter screen; 4. a fan; 5. a frequency converter housing; 6. a heat dissipation plate B; 7. a heat dissipation plate A; 8. a driving rotating shaft; 9. an upper elastic buffer plate; 10. a lower elastic buffer plate; 11. a belt; 12. a second filter screen; 13. a horizontal through hole; 14. a first hinge shaft; 15. a vertical through hole; 16. an elastic corrugated sheet; 17. a support pillar; 18. a second hinge shaft; 19. a right eccentric cam; 20. a channel.
Detailed Description
The invention will be further described with reference to the drawings and specific embodiments, illustrative embodiments and description of which are provided herein to explain the invention, but not as a limitation thereof.
Example (b):
the heat dissipation device for the special frequency converter of the crane, as shown in fig. 1-5, comprises a heat dissipation cover 1 outside a frequency converter shell 5, two groups of heat dissipation plate assemblies and a driving mechanism, wherein a snakelike condensation pipe 2 is arranged on the inner side wall of the heat dissipation cover 1, an air outlet is formed in the top of the heat dissipation cover 1, a first filter screen 3 is arranged at the air outlet, a fan 4 is arranged on the lower surface of the first filter screen 3, a left vertical through hole 15 and a right vertical through hole 15 are formed in the bottom of the heat dissipation cover 1, an air outlet is formed in the top of the frequency converter shell 5 corresponding to the air;
two groups of radiating plate assemblies are respectively positioned at the left side and the right side of the radiating cover 1, each radiating assembly comprises a radiating plate A7 and a plurality of radiating plates B6, the plurality of radiating plates B6 are uniformly distributed on the radiating plate A7 from top to bottom, one end of the radiating plate B6 is hinged with the radiating plate A7 through a first hinge shaft 14, the other end of the radiating plate B6 is provided with a horizontal through hole 13 corresponding to the frequency converter shell 5, the radiating plate B6 penetrates through the corresponding horizontal through hole 13 and extends into the frequency converter shell 5, the height of the horizontal through hole 13 is larger than the thickness of the radiating plate B6, a supporting column 17 is fixed in the horizontal through hole 13, and the top end of the supporting column 17 is hinged with the radiating plate B; the bottom end of the heat dissipation plate A7 penetrates through the corresponding vertical through hole 15 and is fixedly connected with a lower elastic buffer plate 10, an upper elastic buffer plate 9 is fixed at a position, close to the vertical through hole 15, of the heat dissipation plate A7 in the heat dissipation cover 1, and the thickness of the heat dissipation plate A7 is smaller than the width of the vertical through hole 15;
actuating mechanism includes driving motor, initiative pivot 8, driven spindle and left eccentric cam, right eccentric cam 19, driving motor connects left eccentric cam through initiative pivot 8, left side eccentric cam is located under the left lower elastic buffer board 10 of heat exchanger 1, right side eccentric cam 19 is located under the lower elastic buffer board 10 on heat exchanger 1 right side, and right eccentric cam 19 is connected with driven spindle, be connected through belt 11 between driven spindle and the initiative pivot 8.
The horizontal through hole 13 and the heat dissipation plate B6 are sealed by the elastic corrugated sheet 16, and the position is arranged under the condition that the movement of the heat dissipation plate A7 is not influenced, so that the sealing performance of the frequency converter shell 5 is enhanced, and the phenomenon that dust enters the frequency converter shell 5 to influence the normal operation of the frequency converter is avoided.
The vertical through hole 15 is internally sealed by the elastic corrugated sheet 16, the channel 20 for the heat dissipation plate A7 to pass through is arranged in the middle of the elastic corrugated sheet 16, and the position is arranged under the condition that the movement of the heat dissipation plate A7 is not influenced, so that the sealing performance of the heat dissipation cover 1 is improved, and the phenomenon that external air dust enters the heat dissipation cover 1 and is adsorbed on the heat dissipation plate to influence the heat dissipation effect is avoided.
When the frequency converter works, the driving motor is started, and the heat dissipation cover 1 provides a closed dust-proof heat dissipation space for heat dissipation of the frequency converter; the fan 4 accelerates the air flow in the heat dissipation cover 1 (the arrangement of the fan and the connection with an external circuit are the prior art, and the description is omitted here), and the heat exchange efficiency in the heat dissipation cover 1 is improved by matching with the condensation pipe 2 and the heat dissipation plate assembly; the filter screen I3 and the filter screen II 12 are arranged to play roles of ventilation and double-layer filtration, so that the heat dissipation effect is improved, and dust in the air is prevented from entering the heat dissipation cover 1 and the frequency converter shell 5; half of a heat dissipation plate B6 of the heat dissipation plate assembly extends into a frequency converter shell 5 to absorb heat, the other part of the heat dissipation plate B6 is left in a heat dissipation cover 1 to dissipate and exchange heat in the heat dissipation cover 1, a heat dissipation plate B6 at the end is hinged with a heat dissipation plate A7, the bottom end of the heat dissipation plate A7 extends out of the heat dissipation cover 1 and is connected with an upper elastic buffer plate and a lower elastic buffer plate, an eccentric cam is arranged right below the lower elastic buffer plate 10, the heat dissipation plate A7 moves up and down circularly along with the rotation of the eccentric cam, and the heat dissipation plate A7 moves left and right in a vertical through hole 13 while moving up and down due to the hinging of the heat dissipation plate B6 and a support; the heat dissipation plate B6 is driven by the heat dissipation plate A7 to rotate periodically around the top end of the support column 17, when the heat dissipation plate A7 moves upwards, the heat dissipation plate A7 moves towards the center direction of the heat dissipation cover 1 in the vertical through hole 15, and at the moment, the part of the heat dissipation plate B6 extending into the frequency converter shell 5 moves downwards to suck cold air in the heat dissipation cover 1 into the frequency converter shell 5; when the heat dissipation plate A7 moves downwards, the heat dissipation plate A7 moves towards the edge direction of the heat dissipation cover 1 in the vertical through hole 15, and at the moment, the part of the heat dissipation plate B6 extending into the frequency converter shell 5 moves upwards to push hot air in the heat dissipation cover 1 out of the frequency converter shell 5; this movement of heat dissipation plate B6 accelerates the flow of air inside inverter case 5 and inside heat dissipation cover 1 without affecting the sealing performance of inverter case 5, thereby increasing the heat dissipation effect.
The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.
Claims (3)
1. The utility model provides a special converter heat abstractor of hoist, includes the outer heat exchanger that looses of converter shell, two sets of cooling panel components and actuating mechanism, its characterized in that: the inner side wall of the heat dissipation cover is provided with a snake-shaped condensation pipe, the top of the heat dissipation cover is provided with an air outlet, a first filter screen is arranged at the air outlet, the lower surface of the first filter screen is provided with a fan, the bottom of the heat dissipation cover is provided with a left vertical through hole and a right vertical through hole, the top of the frequency converter shell corresponding to the air outlet is provided with an air outlet, and a second filter screen is arranged at the air outlet;
the two groups of radiating plate assemblies are respectively positioned on the left side and the right side of the radiating cover, each radiating assembly comprises a radiating plate A and a plurality of radiating plates B, the plurality of radiating plates B are uniformly distributed on the radiating plate A from top to bottom, one end of each radiating plate B is hinged with the corresponding radiating plate A through a hinge shaft, the other end of each radiating plate B is provided with a horizontal through hole corresponding to the frequency converter shell, each radiating plate B penetrates through the corresponding horizontal through hole and extends into the frequency converter shell, the height of each horizontal through hole is greater than the thickness of each radiating plate B, a supporting column is fixed in each horizontal through hole, and the top end of each supporting column is hinged; the bottom end of the heat dissipation plate A penetrates through the corresponding vertical through hole and is fixedly connected with a lower elastic buffer plate, an upper elastic buffer plate is fixed at the position, close to the vertical through hole, of the heat dissipation plate A in the heat dissipation cover, and the thickness of the heat dissipation plate A is smaller than the width of the vertical through hole;
actuating mechanism includes driving motor, initiative pivot, driven spindle and left eccentric cam, right eccentric cam, driving motor connects left eccentric cam through the initiative pivot, left side eccentric cam is located the left lower elastic buffer board of heat exchanger under, right side eccentric cam is located the lower elastic buffer board on heat exchanger right side under, and right side eccentric cam is connected with driven spindle, be connected through the belt between driven spindle and the initiative pivot.
2. The heat dissipation device of claim 1, wherein: and the horizontal through hole and the heat dissipation plate B are sealed through an elastic corrugated sheet.
3. The heat dissipation device of claim 1, wherein: the vertical through hole is sealed through an elastic corrugated sheet, and a channel for the heat dissipation plate A to pass through is arranged in the middle of the elastic corrugated sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921472591.7U CN210781866U (en) | 2019-09-05 | 2019-09-05 | Special converter heat abstractor of hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921472591.7U CN210781866U (en) | 2019-09-05 | 2019-09-05 | Special converter heat abstractor of hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210781866U true CN210781866U (en) | 2020-06-16 |
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ID=71039352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921472591.7U Active CN210781866U (en) | 2019-09-05 | 2019-09-05 | Special converter heat abstractor of hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210781866U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113725177A (en) * | 2021-08-30 | 2021-11-30 | 重庆电子工程职业学院 | Microelectronic chip heat dissipation device and heat dissipation method thereof |
| CN114828496A (en) * | 2022-05-12 | 2022-07-29 | 深圳巨力神电气有限公司 | Novel converter easily dispels heat |
-
2019
- 2019-09-05 CN CN201921472591.7U patent/CN210781866U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113725177A (en) * | 2021-08-30 | 2021-11-30 | 重庆电子工程职业学院 | Microelectronic chip heat dissipation device and heat dissipation method thereof |
| CN113725177B (en) * | 2021-08-30 | 2023-10-03 | 重庆电子工程职业学院 | Microelectronic chip heat dissipation device and heat dissipation method thereof |
| CN114828496A (en) * | 2022-05-12 | 2022-07-29 | 深圳巨力神电气有限公司 | Novel converter easily dispels heat |
| CN114828496B (en) * | 2022-05-12 | 2024-02-20 | 瑞安市安川电子有限公司 | Novel easy heat dissipation converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211229 Address after: 454450 No. 999, Wenhua Road (East Section), Boai County, Jiaozuo City, Henan Province Patentee after: Henan long distance Electric Co.,Ltd. Address before: 454950 first floor of standard industrial plant No. 1, circular economy industrial agglomeration zone, Jiaozuo City, Henan Province Patentee before: Henan Ruichi Electronic Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |