CN217183187U - Medium-voltage frequency converter capable of preventing current impact - Google Patents
Medium-voltage frequency converter capable of preventing current impact Download PDFInfo
- Publication number
- CN217183187U CN217183187U CN202220091790.9U CN202220091790U CN217183187U CN 217183187 U CN217183187 U CN 217183187U CN 202220091790 U CN202220091790 U CN 202220091790U CN 217183187 U CN217183187 U CN 217183187U
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- Prior art keywords
- thermistor
- heat dissipation
- device shell
- dissipation fan
- driving motor
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 29
- 238000009423 ventilation Methods 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 8
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a prevent medium voltage inverter of electric current impact, including the device shell, the bottom of device shell is connected with the device base, and the inside of device shell is provided with control panel to control panel's below is provided with thermistor, thermistor's below is provided with temperature-sensing ware, and temperature-sensing ware's top is provided with driving motor, and driving motor's below is provided with the actuating lever, the below of actuating lever is connected with the heat dissipation fan. This prevent medium voltage inverter of electric current impact, be provided with the thermistor of negative temperature coefficient in control switch's bottom, and be provided with the temperature-sensing ware in thermistor's bottom, be hindered by the thermistor when the electric current strikes appearing, and the temperature-sensing ware senses the inside temperature of converter and improves, thereby open driving motor's switch, make the heat dissipation fan begin to operate, dispel the heat to the converter, be favorable to preventing the electric current and strike, be convenient for energy-concerving and environment-protective, be favorable to the automatic opening of heat dissipation fan.
Description
Technical Field
The utility model relates to a converter technical field specifically is a prevent medium voltage inverter of electric current impact.
Background
The converter mainly by the rectification, filtering, the contravariant, the braking unit, drive unit, detecting element microprocessing unit etc. constitute, the converter leans on the disconnection of inside IGBT to adjust output power's voltage and frequency, provide its required mains voltage according to the actual need of motor, and then reach energy-conservation, the purpose of speed governing, it has overflows, excessive pressure, functions such as overload protection, there is very extensive effect, wherein medium-voltage inverter wide application and fan, in the water pump, but the medium-voltage inverter in the existing market still has following problem:
1. when the medium-voltage frequency converter in the market is used, the medium-voltage frequency converter is easy to be impacted by current when being switched on and switched off, and once the current is unstable, the impact can be generated in the using process, so that the service life of the frequency converter is influenced, and the use of workers is not facilitated;
2. the medium-voltage frequency converter in the market can give off a large amount of heats in the use at present, just need open the heat dissipation fan always for the heat dissipation and dispel the heat to it, otherwise just need the staff to look at beside, the in-process of the heat dissipation fan of opening for a long time can waste a large amount of electric energy, is unfavorable for energy-concerving and environment-protective.
Aiming at the problems, the innovative design is carried out on the basis of the original medium-voltage frequency converter.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent medium voltage inverter of electric current impact, with the medium voltage inverter on the present market who proposes in solving above-mentioned background art in the use, receive the electric current impact easily during the switch, and in case the electric current is unstable also can take place to strike in the use, thereby influence the life of converter, be unfavorable for staff's use, can dispel the heat a large amount of heats in the use, just need open the heat dissipation fan always and dispel the heat to it for the heat dissipation, otherwise just need the staff stare on the next door, a large amount of electric energy can be wasted to the in-process of the heat dissipation fan of opening for a long time, be unfavorable for energy-concerving and environment-protective problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent medium voltage inverter of electric current impact, includes the device shell, the bottom of device shell is connected with the device base, and the inside of device shell is provided with control panel to control panel's below is provided with thermistor, thermistor's below is provided with temperature-sensing ware, and temperature-sensing ware's top is provided with driving motor to driving motor's below is provided with the actuating lever, the below of actuating lever is connected with the heat dissipation fan, and one side of heat dissipation fan is provided with ventilation mechanism, one side of device shell is connected with the dwang, and one side of dwang is connected with the door that opens and shuts.
Preferably, the ventilation mechanism comprises an adjusting rod, a vent, a closing block and a sliding plate, the closing block is arranged on one side of the adjusting rod, the closing block is located on one side of the vent, the side, close to the vent, of the adjusting rod is arc-shaped, and the adjusting rod and the driving rod rotate integrally.
Preferably, one side of the closing block is connected with a return spring, one side of the return spring is connected with a sliding plate, the size of the closing block is consistent with that of the ventilation opening, and the closing block and the sliding plate form a spring return structure through the return spring.
Preferably, the connection mode of driving motor and actuating lever is the key-type connection, and the connection mode of actuating lever and heat dissipation fan is for rotating the connection to the outside of heat dissipation fan is provided with protecting sheathing.
Preferably, the opening and closing door and the device shell form a rotating structure through a rotating rod, the height of the opening and closing door is consistent with the height of the driving motor reaching the bottom of the device shell, and a handle is arranged on one side of the opening and closing door.
Preferably, the thermistor is connected with the control panel through a wire, and the thermistor has a negative temperature coefficient.
Compared with the prior art, the beneficial effects of the utility model are that: the medium voltage inverter for preventing current surge,
1. the bottom of the control switch is provided with the thermistor with the negative temperature coefficient, the bottom of the thermistor is provided with the temperature sensor, the thermistor is used for resisting current impact, and the temperature sensor senses that the temperature in the frequency converter is increased, so that the switch of the driving motor is turned on, the heat dissipation fan starts to operate, the frequency converter is cooled, the current impact is prevented, the energy is saved, the environment is protected, and the automatic opening of the heat dissipation fan is facilitated;
2. be provided with ventilation mechanism in the inside of converter, closed vent when the heat dissipation fan is not in operating condition prevents that debris from entering into the inside of converter, opens when the heat dissipation fan during operation vent to be convenient for dispel the heat, be favorable to improving the safety in utilization of converter.
Drawings
FIG. 1 is a schematic view of the overall front view structure of the present invention;
FIG. 2 is a schematic view of the overall top view structure of the present invention;
fig. 3 is an enlarged schematic structural view of a point a in the overall fig. 1 of the present invention;
FIG. 4 is a schematic view of the overall three-dimensional structure of the present invention;
fig. 5 is a schematic diagram of the thermistor system of the present invention.
In the figure: 1. a device housing; 2. a ventilation mechanism; 201. adjusting a rod; 202. a vent; 203. a closing block; 204. a return spring; 205. a sliding plate; 3. a control panel; 4. a device base; 5. a temperature sensor; 6. a drive rod; 7. a drive motor; 8. a heat dissipation fan; 9. rotating the rod; 10. opening and closing the door; 11. a thermistor.
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.
Referring to fig. 1-3, a medium voltage inverter for preventing current surge includes a device housing 1, a driving motor 7 is automatically turned on to prevent current surge, a device base 4 is connected to the bottom of the device housing 1, a control panel 3 is disposed inside the device housing 1, a thermistor 11 is disposed below the control panel 3, a temperature sensor 5 is disposed below the thermistor 11, a driving motor 7 is disposed above the temperature sensor 5, a driving rod 6 is disposed below the driving motor 7, a heat dissipation fan 8 is connected below the driving rod 6, the driving motor 7 is connected to the driving rod 6 by a key, the driving rod 6 is rotatably connected to the heat dissipation fan 8, a protective housing is disposed outside the heat dissipation fan 8, the thermistor 11 is connected to the control panel 3 by a wire, and the thermistor 11 is a negative temperature coefficient, 3 times of current impact of the control panel is prevented through the thermistor 11, and meanwhile, the switch of the driving motor 7 is controlled through the temperature sensor 5, so that the current impact is prevented, the energy conservation and the environmental protection are facilitated, and the labor cost is saved.
Referring to fig. 1 to 5, in order to close the device housing 1 and prevent impurities from entering the inside of the frequency converter, a ventilation mechanism 2 is disposed on one side of the heat dissipation fan 8, a rotation rod 9 is connected to one side of the device housing 1, an opening/closing door 10 is connected to one side of the rotation rod 9, the ventilation mechanism 2 includes an adjustment rod 201, a vent 202, a closing block 203 and a sliding plate 205, a closing block 203 is disposed on one side of the adjustment rod 201, the closing block 203 is disposed on one side of the vent 202, one side of the adjustment rod 201 close to the vent 202 is arc-shaped, the adjustment rod 201 and the driving rod 6 integrally rotate, a return spring 204 is connected to one side of the closing block 203, the sliding plate 205 is connected to one side of the return spring 204, the size of the closing block 203 is consistent with the size of the vent 202, the closing block 203 and the sliding plate 205 form a spring return structure through the return spring 204, the driving rod 6 drives the adjustment rod 201 to rotate, therefore, the closing block 203 is driven to close the vent 202, which is beneficial to protecting the elements in the frequency converter and the automatic operation of the device.
The working principle is as follows: according to fig. 1-4, firstly, the opening and closing door 10 is opened, when current impact occurs in the process of operating the control panel 3, the current impact is blocked by the thermistor 11, at the same time, the thermistor 11 dissipates heat, meanwhile, the frequency converter also begins to dissipate heat in the working process, when the temperature in the device shell 1 rises, the temperature sensor 5 detects the temperature, the temperature sensor opens the switch of the driving motor 7, so that the driving motor 7 drives the heat dissipation fan 8 to rotate through the driving rod 6, the heat dissipation is performed in the device shell 1, and the temperature in the device shell 1 is prevented from being overhigh;
according to fig. 1-5, as mentioned above, when the driving rod 6 drives the adjusting rod 201 to rotate in the rotating process, the adjusting rod 201 abuts against the closing block 203 when rotating, the closing block 203 slides in the sliding plate 205 along with the rotation of the adjusting rod 201, thereby exposing the ventilation opening 202, so that air is replaced, meanwhile, the side edge of the adjusting rod 201 is set to be arc-shaped, so as to prevent the adjusting rod 201 from being damaged in the expansion process, when the driving rod 6 stops rotating, and after the heat dissipation fan 8 finishes working, the return spring 204 drives the closing block 203 to reset, so as to close the ventilation opening 202 again, so as to prevent sundries from entering the ventilation opening 202, thereby affecting the use of the frequency converter, which is the working process of the whole device, and the content not described in detail in this specification belongs to the prior art known by those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A medium voltage frequency converter for preventing current surge comprises a device shell (1), and is characterized in that: the bottom of device shell (1) is connected with device base (4), and the inside of device shell (1) is provided with control panel (3) to the below of control panel (3) is provided with thermistor (11), the below of thermistor (11) is provided with temperature-sensing ware (5), and the top of temperature-sensing ware (5) is provided with driving motor (7) to the below of driving motor (7) is provided with actuating lever (6), the below of actuating lever (6) is connected with heat dissipation fan (8), and one side of heat dissipation fan (8) is provided with ventilation mechanism (2), one side of device shell (1) is connected with dwang (9), and one side of dwang (9) is connected with door (10) that opens and shuts.
2. The medium voltage inverter for preventing current surge according to claim 1, wherein: the ventilation mechanism (2) comprises an adjusting rod (201), a vent (202), a closing block (203) and a sliding plate (205), wherein the closing block (203) is arranged on one side of the adjusting rod (201), the closing block (203) is located on one side of the vent (202), one side, close to the vent (202), of the adjusting rod (201) is arc-shaped, and the adjusting rod (201) and the driving rod (6) are integrally rotated.
3. The medium voltage inverter for preventing current surge according to claim 2, wherein: one side of the closing block (203) is connected with a return spring (204), one side of the return spring (204) is connected with a sliding plate (205), the size of the closing block (203) is consistent with that of the ventilation opening (202), and the closing block (203) and the sliding plate (205) form a spring return structure through the return spring (204).
4. The medium voltage inverter for preventing current surge according to claim 1, wherein: the connection mode of driving motor (7) and actuating lever (6) is the key-type connection, and the connection mode of actuating lever (6) and heat dissipation fan (8) is for rotating the connection to the outside of heat dissipation fan (8) is provided with protecting sheathing.
5. The medium voltage inverter for preventing current surge according to claim 1, wherein: the opening and closing door (10) and the device shell (1) form a rotating structure through the rotating rod (9), the height of the opening and closing door (10) is consistent with the height of the driving motor (7) reaching the bottom of the device shell (1), and a handle is arranged on one side of the opening and closing door (10).
6. The medium voltage inverter for preventing current surge according to claim 1, wherein: the thermistor (11) is connected with the control panel (3) through an electric wire, and the thermistor (11) has a negative temperature coefficient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220091790.9U CN217183187U (en) | 2022-01-14 | 2022-01-14 | Medium-voltage frequency converter capable of preventing current impact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220091790.9U CN217183187U (en) | 2022-01-14 | 2022-01-14 | Medium-voltage frequency converter capable of preventing current impact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217183187U true CN217183187U (en) | 2022-08-12 |
Family
ID=82736389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220091790.9U Expired - Fee Related CN217183187U (en) | 2022-01-14 | 2022-01-14 | Medium-voltage frequency converter capable of preventing current impact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217183187U (en) |
-
2022
- 2022-01-14 CN CN202220091790.9U patent/CN217183187U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220812 |