CN210444723U - Frequency converter with heat dissipation cooling device - Google Patents
Frequency converter with heat dissipation cooling device Download PDFInfo
- Publication number
- CN210444723U CN210444723U CN201921418405.1U CN201921418405U CN210444723U CN 210444723 U CN210444723 U CN 210444723U CN 201921418405 U CN201921418405 U CN 201921418405U CN 210444723 U CN210444723 U CN 210444723U
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- China
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- shell
- frequency converter
- converter
- sets
- temperature sensor
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- Expired - Fee Related
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Abstract
The utility model discloses a converter with heat dissipation cooling device, relate to the converter field, shell including the cylinder structure, set up spiral sheet structure on the inner wall of shell, the inside top of shell sets up the fan, the below sets up the bottom plate, set up the air intake on the bottom plate, the fan below sets up the dead lever, the dead lever level sets up and its both ends and shell inner wall rigid coupling, the both ends of connecting plate respectively with dead lever and bottom plate rigid coupling, the both sides of connecting plate set up circuit board and fin respectively, the shell top sets up the manger plate lid, its inside cavity sets up and its bottom and shell intercommunication, manger plate lid bottom sets up the air outlet in the shell outside, set up the dust screen on the air outlet, the inside temperature sensor that is provided with of shell, the outside is provided with the display screen, temperature sensor and display. The utility model discloses can solve prior art intermediate frequency converter radiating effect poor, do not possess waterproof and dirt-proof effect and can't be with the problem that its inside temperature data externally shows.
Description
Technical Field
The utility model relates to a converter field especially relates to a converter with heat dissipation cooling device.
Background
With the widespread application of electronic technology, the application of frequency converters is also more and more important. Various performance indexes of the frequency converter are improved, so that the requirements on heat dissipation and cooling performance are higher and higher. The inside circuit board that is provided with of converter, a large amount of electronic components have integrateed on the circuit board, and electronic components can produce a large amount of heats at the during operation, and long-time operation can lead to the heat to gather. If the frequency converter is not cooled in time, the electronic components are easily damaged.
Although the heat dissipation device of the existing frequency converter can achieve the heat dissipation effect, the heat dissipation effect is poor. In a commercially available inverter, a fan is generally provided at one end of the inverter, and the fan causes gas exchange to flow internal heat to the outside. Some fans of the frequency converter aim at the radiating fins and can only absorb the heat emitted by the radiating fins but cannot absorb the heat accumulated on the front side of the circuit board; some frequency converters have fans which are disposed in the middle of one end of the fan and can absorb heat dissipated by the heat dissipation fins and heat accumulated on the front surface of the circuit board at the same time, but the heat dissipated by the heat dissipation fins is often greater than the heat accumulated on the front surface of the circuit board, which easily results in a good heat dissipation effect on the front surface of the circuit board and a poor heat dissipation effect on the side with the heat dissipation fins. In other words, when the power of the fan on the front side of the circuit board can meet the requirement, the power of the fan on the back side of the circuit board is insufficient, and the heat emitted by the heat sink on the back side of the circuit board cannot be completely absorbed.
The existing frequency converter does not have waterproof and dustproof effects at the same time.
The outside digital display device that does not set up of current converter, when its inside temperature is higher, operating personnel can't learn the inside temperature data of converter, can't accomplish in time to deal with.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a converter with heat dissipation cooling device is provided, solve among the prior art converter radiating effect poor, do not possess waterproof and dirt-proof effect and can't be with its inside temperature data problem that externally shows.
The utility model provides a technical scheme that its technical problem adopted is: the shell comprises a cylindrical structure, a spiral sheet structure is arranged on the inner wall of the shell, a fan is arranged above the inner portion of the shell, a bottom plate is arranged below the inner portion of the shell, at least one air inlet is formed in the bottom plate, a fixing rod is arranged below the fan, the fixing rod is horizontally arranged, the two ends of the fixing rod are fixedly connected with the inner wall of the shell, the two ends of a connecting plate are fixedly connected with the fixing rod and the bottom plate respectively, circuit boards and radiating fins are arranged on the two sides of the connecting plate respectively, a water blocking cover is arranged above the shell and is of a round platform structure, the bottom of the water blocking cover is communicated with the shell, an air outlet is formed in the outer side of the shell, a dustproof net is arranged on the air outlet, a temperature sensor is arranged inside the shell, a.
Further, the spiral sheet structure is fixedly connected to the inner wall of the shell.
Further, the spiral sheet-shaped structure is a plastic belt which rises spirally, and the width of the plastic belt is 3-5 cm.
Further, the shell and the spiral sheet structure are integrally formed and are made of ABS plastic, and the width of the spiral sheet structure is 3.5 cm.
Furthermore, the air inlet is rectangular and is arranged in a clearance mode.
Further, the air outlet is annular.
Furthermore, a digital-to-analog converter is integrated in the display screen, and the temperature sensor is electrically connected with the display screen through the digital-to-analog converter.
Further, the temperature sensor is arranged on the connecting plate and above the circuit board.
Further, the connecting plate is made of hard heat-conducting silica gel.
The utility model discloses following beneficial effect has:
1. the utility model discloses set up temperature sensor and connect the display screen that sets up in the converter outside through digital analog converter inside the converter, make operating personnel can acquire the inside temperature data of converter in real time in the converter outside and in time take necessary countermeasure according to temperature data, accomplish to prevent suffering from in the bud.
2. The utility model discloses set up spiral lamellar structure on the inner wall of shell, the air current that makes and get into from the air intake forms the spiral air current that rises under the vortex effect of spiral piece dress structure, and the air convection has increased the gaseous total amount of participation heat exchange between positive and the circuit board back of acceleration circuit board, has improved the radiating efficiency greatly.
3. The utility model discloses set up the manger plate lid in the shell top, set up the dust screen on the air outlet, make the converter can avoid the entering of liquid and dust in radiating while, improved the waterproof and dustproof ability of converter.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the fixing rod.
Detailed Description
As shown in fig. 1 and 2, a frequency converter with a heat dissipation cooling device includes a cylindrical housing 1, a spiral sheet structure 5 is disposed on an inner wall of the housing 1, a fan 3 is disposed above the inside of the housing 1, a bottom plate 11 is disposed below the housing 1, at least one air inlet 111 is disposed on the bottom plate 11, a fixing rod 12 is disposed below the fan 3, the fixing rod 12 is horizontally disposed, two ends of the fixing rod 12 are fixedly connected to an inner wall of the housing 1, two ends of a connecting plate 13 are fixedly connected to the fixing rod 12 and the bottom plate 11, two sides of the connecting plate 13 are respectively provided with a circuit board 14 and a heat sink 15, a water blocking cover 2 is disposed above the housing 1, the water blocking cover 2 is a circular truncated cone structure, the inside of the water blocking cover 2 is hollow, the bottom of the water blocking cover 2 is communicated with the housing 1, an air outlet 22 is disposed outside the, The outside is provided with display screen 4, temperature sensor 16 and display screen 4 electric connection, shell 1 below sets up stabilizer blade 6.
The spiral sheet structure 5 is fixedly connected to the inner wall of the shell 1.
The spiral sheet-shaped structure 5 is a spirally rising plastic belt, and the width of the spiral sheet-shaped structure is 3-5 cm.
The shell 1 and the spiral sheet structure 5 are integrally formed and made of ABS plastic, and the width of the spiral sheet structure 5 is 3.5 centimeters.
The air inlet 111 is rectangular and is arranged in a clearance manner.
The air outlet 22 is annular.
The display screen 4 is integrated with a digital-to-analog converter 41, and the temperature sensor 16 is electrically connected with the display screen 4 through the digital-to-analog converter 41.
The temperature sensor 16 is disposed on the connection plate 13 and above the circuit board 14.
The connecting plate 13 is made of hard heat-conducting silica gel.
The utility model discloses a converter is when using, and fan 3 work forms the negative pressure in the space of its top, makes the air current get into inside and the upward movement of shell 1 from air intake 111. Part of the upward moving air flow is blocked by the spiral sheet-shaped structure 5 with the width of 3.5 cm and forms spiral ascending air flow along the inner wall of the shell 1, the spiral ascending air flow brings heat emitted by the radiating fins 15 to the front side of the circuit board 14, and simultaneously brings air with lower temperature on the front side of the circuit board 14 to the side where the radiating fins 15 are located, so that the air convection of the front side of the circuit board 14 and the side where the radiating fins 15 are located is accelerated, the air heat exchange is more sufficient, and the radiating efficiency is greatly improved.
The hot air flow continuously moves upwards, enters the water blocking cover 2 through the fan 3 and is discharged from the air outlet 22, and liquid can be prevented from entering the frequency converter due to the circular truncated cone-shaped structure of the water blocking cover 2; due to the arrangement of the dust screen 221, dust can be prevented from entering the inside of the frequency converter.
When the temperature sensor 16 detects temperature data, the temperature sensor 16 converts the temperature data by the digital-to-analog converter 41, transmits the converted temperature data to the display screen 4, and displays the temperature data on the display screen 4. When the temperature reaches 50 deg.CoC, an operator turns on the fan 3 to check whether the fan 1 runs normally; when the temperature reaches 60 deg.CoDuring the process C, the operators check whether the air inlet 111, the air outlet 22 and the air duct inside the frequency converter are blocked; when the temperature reaches 80 DEG CoAnd C, forcibly shutting down the frequency converter and refitting the frequency converter by operating staff.
In a preferred embodiment of the present invention, the temperature sensor 16 is a PT100 type temperature sensor manufactured by PT electric company.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any person skilled in the art can make some changes or modifications to equivalent embodiments with equivalent changes without departing from the technical scope of the present invention, but all those persons do not depart from the technical spirit of the present invention, and any simple modifications, equivalent replacements, and improvements made to the above embodiments are within the spirit and principle of the present invention, and still belong to the protection scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a converter with heat dissipation cooling device which characterized in that: comprises a shell (1) with a cylindrical structure, wherein a spiral sheet structure (5) is arranged on the inner wall of the shell (1), a fan (3) is arranged above the inner part of the shell (1), a bottom plate (11) is arranged below the inner part of the shell (1), at least one air inlet (111) is arranged on the bottom plate (11), a fixed rod (12) is arranged below the fan (3), the fixed rod (12) is horizontally arranged, two ends of the fixed rod are fixedly connected with the inner wall of the shell (1), two ends of a connecting plate (13) are fixedly connected with the fixed rod (12) and the bottom plate (11) respectively, a circuit board (14) and a radiating fin (15) are arranged on two sides of the connecting plate (13) respectively, a water blocking cover (2) is arranged above the shell (1), the water blocking cover (2) is of a circular truncated cone structure, the inner part of the water blocking cover is arranged in a hollow manner, the bottom of the water blocking cover (, the temperature sensor (16) is arranged inside the shell (1), the display screen (4) is arranged outside the shell, the temperature sensor (16) is electrically connected with the display screen (4), and the support legs (6) are arranged below the shell (1).
2. A frequency converter having a heat sink cooling apparatus as recited in claim 1, wherein: the spiral sheet structure (5) is fixedly connected to the inner wall of the shell (1).
3. A frequency converter having a heat dissipating cooling device as claimed in claim 2, wherein: the spiral sheet-shaped structure (5) is a spirally rising plastic belt, and the width of the spiral sheet-shaped structure is 3-5 cm.
4. A frequency converter having a heat dissipating cooling device as claimed in claim 3, wherein: the shell (1) and the spiral sheet structure (5) are integrally formed and made of ABS plastic, and the width of the spiral sheet structure (5) is 3.5 cm.
5. The frequency converter with heat dissipating cooling means of claim 4, wherein: the air inlet (111) is rectangular and is arranged in a clearance mode.
6. The frequency converter with heat dissipating cooling means of claim 5, wherein: the air outlet (22) is annular.
7. The frequency converter with heat dissipating cooling means of claim 6, wherein: a digital-to-analog converter (41) is integrated in the display screen (4), and the temperature sensor (16) is electrically connected with the display screen (4) through the digital-to-analog converter (41).
8. The frequency converter with heat dissipating cooling means of claim 7, wherein: the temperature sensor (16) is arranged on the connecting plate (13) and above the circuit board (14).
9. The frequency converter with heat dissipating cooling means of claim 8, wherein: the connecting plate (13) is made of hard heat-conducting silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921418405.1U CN210444723U (en) | 2019-08-29 | 2019-08-29 | Frequency converter with heat dissipation cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921418405.1U CN210444723U (en) | 2019-08-29 | 2019-08-29 | Frequency converter with heat dissipation cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210444723U true CN210444723U (en) | 2020-05-01 |
Family
ID=70409460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921418405.1U Expired - Fee Related CN210444723U (en) | 2019-08-29 | 2019-08-29 | Frequency converter with heat dissipation cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210444723U (en) |
-
2019
- 2019-08-29 CN CN201921418405.1U patent/CN210444723U/en not_active Expired - Fee Related
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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: 20200501 Termination date: 20210829 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |