CN219105845U - Multi-loop live-line switching resistor box - Google Patents
Multi-loop live-line switching resistor box Download PDFInfo
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- CN219105845U CN219105845U CN202222516860.3U CN202222516860U CN219105845U CN 219105845 U CN219105845 U CN 219105845U CN 202222516860 U CN202222516860 U CN 202222516860U CN 219105845 U CN219105845 U CN 219105845U
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- switching resistor
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Abstract
The utility model provides a multi-loop live-line switching resistor box. The multi-loop live-line switching resistor box comprises a multi-loop live-line switching resistor box body, a protective shell is arranged outside the multi-loop live-line switching resistor box body, a placing seat is fixedly arranged on the inner wall of the bottom of the protective shell, and the placing seat is matched with the multi-loop live-line switching resistor box body; the heat dissipation mechanism comprises an installation shell, an installation frame, a first rotating shaft, a plurality of second rotating shafts, a plurality of exhaust fan blades, a plurality of first bevel gears, a plurality of second bevel gears, a motor and an exhaust port, wherein the installation shell is fixedly installed on the inner wall of the top of the protection shell, and the first rotating shaft and the second rotating shafts are all rotatably installed on the installation frame. The multi-loop live-line switching resistor box provided by the utility model has the advantages of improving the heat dissipation effect, avoiding high-temperature damage to the resistor box and internal components and being beneficial to prolonging the service life of the components.
Description
Technical Field
The utility model relates to the technical field of resistor boxes, in particular to a multi-loop electrified switching resistor box.
Background
The resistor box is a box resistor, and is generally formed by connecting a plurality of constant value resistors with different resistance values in a certain mode, wherein the constant value resistors in the resistor box are generally wound by constantan and manganese copper wires, so that the resistance value basically does not change along with the temperature.
Through retrieving, the patent document of the bulletin number CN202678012U discloses a multi-loop live-line switching resistor box, and it includes insulating housing, and insulating housing inside is equipped with the resistance circuit board, and the resistance circuit board has a plurality of fixed resistances to constitute, and insulating housing outside is equipped with resistance box switch, input terminal, output terminal and a plurality of resistance wave band switch, its characterized in that: the input binding posts and the output binding posts are multiple, the input binding posts are connected with input change-over switches, the output binding posts are connected with output change-over switches, the number of nodes of the input change-over switches is equal to the number of the input binding posts, and the number of nodes of the output change-over switches is equal to the number of the output binding posts.
Although the above prior art scheme can realize the hierarchical regulation of resistance in a certain range, can switch into the resistance box in a plurality of electrified return circuits in addition, but in the in-service use process, because the air convection inside the insulating housing is little, the radiating effect of the resistance box is poor, the heat that the resistance box can produce in the course of the work is difficult for dispelling, and the whole resistance value that can influence the resistance box changes that makes the resistance box produce high temperature easily to influence the application accuracy of resistance box and the life of components and parts, even the too high temperature still can damage the electrical components and parts in the resistance box.
Therefore, there is a need to provide a new multi-loop live switching resistor box that solves the above-mentioned technical problems.
Disclosure of Invention
The utility model solves the technical problem of providing the multi-loop live-line switching resistor box which can improve the radiating effect, avoid the high-temperature damage of the resistor box and internal components and is beneficial to prolonging the service life of the components.
In order to solve the above technical problems, the multi-loop live switching resistor box provided by the present utility model includes: the multi-loop live-line switching resistor box comprises a multi-loop live-line switching resistor box body, wherein a protective shell is arranged outside the multi-loop live-line switching resistor box body, a placing seat is fixedly arranged on the inner wall of the bottom of the protective shell, and the placing seat is matched with the multi-loop live-line switching resistor box body; the heat dissipation mechanism comprises a mounting shell, a mounting frame, a first rotating shaft, a plurality of second rotating shafts, a plurality of exhaust fan blades, a plurality of first conical teeth, a plurality of second conical teeth, a motor and an exhaust port, wherein the mounting shell is fixedly arranged on the inner wall of the top of the protective shell, the first rotating shaft and the plurality of second rotating shafts are rotatably arranged on the mounting frame, one end of the first rotating shaft extends out of the mounting shell, the plurality of exhaust fan blades are fixedly arranged at the bottom end of the second rotating shaft, the plurality of first conical teeth are fixedly arranged on the first rotating shaft, the plurality of second conical teeth are fixedly arranged at the top end of the plurality of second rotating shafts respectively, the plurality of second conical teeth are respectively meshed with the corresponding plurality of first conical teeth, the motor is fixedly arranged on one side of the mounting shell, an output shaft of the motor is fixedly connected with one end of the first rotating shaft, and the exhaust port is formed at the top of the protective shell; and the limiting mechanism is arranged on the protective shell.
Preferably, the stop gear includes two guide bars, two stopper, two screw rods and two knobs, two guide bars symmetry slidable mounting is in on the protecting crust, two stopper respectively fixed mounting is two on the one end that the guide bar is close to each other, two screw rod symmetry screw thread is installed on the protecting crust, two the one end that the screw rod is close to each other respectively with two stopper rotation is connected, two knobs respectively fixed mounting is in two on the one end that the screw rod is kept away from each other.
Preferably, a plurality of supporting blocks are symmetrically and fixedly arranged at the bottom of the protective shell, and the same mounting seat is fixedly arranged at the bottom ends of the supporting blocks.
Preferably, the dustproof net is fixedly installed in the exhaust port, a plurality of hinges are fixedly installed on one side of the protective shell, a plurality of same baffle plates are fixedly installed on the hinges, the baffle plates are matched with the protective shell, and an operation port is formed in the baffle plates.
Preferably, a plurality of air outlet holes are formed in the bottom of the installation shell, a plurality of support rods are symmetrically and fixedly installed at the top of the protection shell, and the same shielding plate is fixedly installed at the top of the support rods.
Preferably, a plurality of mounting holes are symmetrically formed in the mounting seat, and bolts are arranged in the mounting holes.
Compared with the related art, the multi-loop live-line switching resistor box provided by the utility model has the following beneficial effects:
the utility model provides a multi-loop live-line switching resistor box, which comprises the following components:
1. the protection shell can be arranged to radiate the multi-loop live-line switching resistor box body, meanwhile, the protection can be shielded and protected, collision damage is avoided, a motor in the radiating mechanism operates to drive the first rotating shaft to rotate, the first rotating shaft is in rotating fit with the first conical teeth and the second conical teeth, the second rotating shaft and the exhaust fan blades can be driven to rotate for exhausting and radiating, air in the protection shell can circulate, heat emitted by the multi-loop live-line switching resistor box body can be rapidly exhausted, radiating effect can be effectively improved, the resistor box and internal components can be effectively radiated to avoid high-temperature damage, and service life of the components can be prolonged;
2. through the stop gear who sets up, after simple operation, can be spacing fixed to the electrified switching resistance box body of multicircuit, can prevent that it from rocking without accident, through the mount pad of setting up, this fixed resistance box of installation of being convenient for, through the baffle cooperation protecting crust of setting up, can shelter from the protection to the electrified switching resistance box body of multicircuit.
Drawings
FIG. 1 is a schematic diagram of a schematic cross-sectional front view of a multi-circuit live switching resistor box according to a preferred embodiment of the present utility model;
FIG. 2 is an enlarged schematic view of the portion A shown in FIG. 1;
fig. 3 is a schematic diagram of a front view structure of the present utility model.
Reference numerals in the drawings: 1. a multi-loop live switching resistor box body; 2. a protective shell; 3. a placement seat; 4. a mounting shell; 5. a mounting frame; 6. a first rotating shaft; 7. a second rotating shaft; 8. exhaust fan blades; 9. a first bevel gear; 10. a second bevel gear; 11. a motor; 12. an exhaust port; 13. a guide rod; 14. a limiting block; 15. a screw; 16. a knob; 17. a support block; 18. a mounting base; 19. a dust screen; 20. a hinge; 21. a baffle; 22. an operation port.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1, fig. 2 and fig. 3 in combination, fig. 1 is a schematic front sectional view of a preferred embodiment of a multi-loop live-line switching resistor box according to the present utility model;
FIG. 2 is an enlarged schematic view of the portion A shown in FIG. 1; fig. 3 is a schematic diagram of a front view structure of the present utility model. The multi-loop live switching resistor box comprises: the multi-loop live-line switching resistor box comprises a multi-loop live-line switching resistor box body 1, wherein a protective shell 2 is arranged outside the multi-loop live-line switching resistor box body 1, a placement seat 3 is fixedly arranged on the inner wall of the bottom of the protective shell 2, and the placement seat 3 is matched with the multi-loop live-line switching resistor box body 1; the heat dissipation mechanism comprises a mounting shell 4, a mounting frame 5, a first rotating shaft 6, a plurality of second rotating shafts 7, a plurality of exhaust fan blades 8, a plurality of first conical teeth 9, a plurality of second conical teeth 10, a motor 11 and an exhaust port 12, wherein the mounting shell 4 is fixedly arranged on the inner wall of the top of the protective shell 2, the first rotating shaft 6 and the plurality of second rotating shafts 7 are both rotatably arranged on the mounting frame 5, one end of the first rotating shaft 6 extends out of the mounting shell 4, the plurality of exhaust fan blades 8 are fixedly arranged on the bottom end of the second rotating shaft 7, the plurality of first conical teeth 9 are fixedly arranged on the first rotating shaft 6, the plurality of second conical teeth 10 are respectively fixedly arranged on the top end of the plurality of second rotating shafts 7, the plurality of second conical teeth 10 are respectively meshed with the corresponding plurality of first conical teeth 9, the motor 11 is fixedly arranged on one side of the mounting shell 4, an output shaft of the motor 11 is fixedly connected with one end of the first rotating shaft 6, and the exhaust port 12 is fixedly arranged on the top of the protective shell 2; the limiting mechanism is arranged on the protective shell 2, the protective shell 2 can be arranged to cool the multi-loop live-line switching resistor box body 1, meanwhile, the multi-loop live-line switching resistor box body can be shielded and protected, collision damage is avoided, the motor 11 in the cooling mechanism can drive the first rotating shaft 6 to rotate, the first rotating shaft 6 is in running fit with the plurality of first conical teeth 9 and the second conical teeth 10, the plurality of second rotating shafts 7 and the exhaust fan blades 8 can be driven to rotate for exhausting and radiating, the internal air of the protective shell 2 can circulate, heat emitted by the multi-loop live-line switching resistor box body 1 can be rapidly discharged, the radiating effect can be effectively improved, the resistor box and internal components can be effectively radiated to avoid high-temperature damage, and the service life of the components can be prolonged.
The limiting mechanism comprises two guide rods 13, two limiting blocks 14, two screws 15 and two knobs 16, wherein the two guide rods 13 are symmetrically and slidably arranged on the protective shell 2, the two limiting blocks 14 are respectively and fixedly arranged at one ends of the two guide rods 13, which are close to each other, the two screws 15 are symmetrically and threadedly arranged on the protective shell 2, one ends of the two screws 15, which are close to each other, are respectively and rotatably connected with the two limiting blocks 14, the two knobs 16 are respectively and fixedly arranged at one ends of the two screws 15, which are far away from each other, and the limiting mechanism is arranged.
The bottom of the protective shell 2 is symmetrically and fixedly provided with a plurality of supporting blocks 17, the bottom ends of the supporting blocks 17 are fixedly provided with the same mounting seat 18, and the resistor box is convenient to mount and fix through the mounting seat 18.
The dustproof net 19 is fixedly installed in the exhaust port 12, a plurality of hinges 20 are fixedly installed on one side of the protective shell 2, a plurality of same baffle plates 21 are fixedly installed on the hinges 20, the baffle plates 21 are matched with the protective shell 2, an operation port 22 is formed in the baffle plates 21, and the protective shell 2 is matched with the baffle plates 21, so that the multi-circuit live-line switching resistor box body 1 can be shielded and protected.
The bottom of installation shell 4 has seted up a plurality of apopores, the top symmetry fixed mounting of protecting crust 2 has a plurality of bracing pieces, a plurality of the top fixed mounting of bracing piece has the same shielding plate.
A plurality of mounting holes are symmetrically formed in the mounting seat 18, and bolts are arranged in the plurality of mounting holes.
The working principle of the multi-loop live-line switching resistor box provided by the utility model is as follows:
when the multi-loop live-line switching resistor box body 1 is installed, firstly, the baffle is opened, then the multi-loop live-line switching resistor box body 1 is placed in the placing groove on the placing seat 3, then the two rotary knobs 16 are sequentially rotated, the two rotary screws 15 rotate along with the rotary knobs to drive the two limiting blocks 14 to approach the multi-loop live-line switching resistor box body 1, afterwards, the anti-slip pads on the two limiting blocks 14 can be attached to the shell of the multi-loop live-line switching resistor box body 1, the multi-loop live-line switching resistor box body 1 can be limited and fixed through simple groove operation, the multi-loop live-line switching resistor box body 1 can be prevented from shaking due to no reasons, during the use period of the multi-loop live-line switching resistor box body 1, a person can start the motor 11, the motor 11 operates an output shaft to drive the first rotary shaft 7 to rotate, the first rotary shaft 7 drives the first conical teeth 9 and the second conical teeth 10 to drive the corresponding second rotary shafts 6 to rotate, and when the second rotary shafts 6 rotate, the exhaust fan blades 8 rotate along with the rotary shafts, and the rotating exhaust fan blades 8 exhaust the exhaust, so that air inside the fan blades 8 can circulate inside the multi-loop live-line switching resistor box body 1 to emit heat, and therefore, the heat generated by the multi-loop live-line switching resistor box body 1 can be effectively improved, and the heat dissipation effect can be effectively prevented from being damaged, and the heat dissipation effect and the life device.
It should be noted that, in the present utility model, the circuits, electronic components and modules are all related to the prior art, and those skilled in the art may implement the present utility model completely, and it is needless to say that the protection of the present utility model does not relate to improvement of software and methods;
compared with the related art, the multi-loop live-line switching resistor box provided by the utility model has the following beneficial effects:
the utility model provides a multi-circuit live-line switching resistor box, which can be used for radiating a multi-circuit live-line switching resistor box body 1 through a protection shell 2 arranged, shielding and protecting the multi-circuit live-line switching resistor box body 1, avoiding collision damage, driving a first rotating shaft 6 to rotate through the operation of a motor 11 in a radiating mechanism, driving a plurality of second rotating shafts 7 and an exhaust fan blade 8 to rotate for exhausting and radiating, enabling air in the protection shell 2 to circulate, rapidly exhausting heat emitted by the multi-circuit live-line switching resistor box body 1, effectively improving radiating effect, avoiding high-temperature damage of the resistor box and internal components, and being beneficial to prolonging service life of the components.
The device structure and the drawings of the present utility model mainly describe the principle of the present utility model, and in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, but the specific details of the power mechanism, the power supply system, and the control system thereof can be clearly known on the premise that those skilled in the art understand the principle of the present utility model.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. A multi-loop live switching resistor box, comprising:
the multi-loop live-line switching resistor box comprises a multi-loop live-line switching resistor box body, wherein a protective shell is arranged outside the multi-loop live-line switching resistor box body, a placing seat is fixedly arranged on the inner wall of the bottom of the protective shell, and the placing seat is matched with the multi-loop live-line switching resistor box body;
the heat dissipation mechanism comprises a mounting shell, a mounting frame, a first rotating shaft, a plurality of second rotating shafts, a plurality of exhaust fan blades, a plurality of first conical teeth, a plurality of second conical teeth, a motor and an exhaust port, wherein the mounting shell is fixedly arranged on the inner wall of the top of the protective shell, the first rotating shaft and the plurality of second rotating shafts are rotatably arranged on the mounting frame, one end of the first rotating shaft extends out of the mounting shell, the plurality of exhaust fan blades are fixedly arranged at the bottom end of the second rotating shaft, the plurality of first conical teeth are fixedly arranged on the first rotating shaft, the plurality of second conical teeth are fixedly arranged at the top end of the plurality of second rotating shafts respectively, the plurality of second conical teeth are respectively meshed with the corresponding plurality of first conical teeth, the motor is fixedly arranged on one side of the mounting shell, an output shaft of the motor is fixedly connected with one end of the first rotating shaft, and the exhaust port is formed at the top of the protective shell;
and the limiting mechanism is arranged on the protective shell.
2. The multi-loop live-line switching resistor box according to claim 1, wherein the limiting mechanism comprises two guide rods, two limiting blocks, two screws and two knobs, the two guide rods are symmetrically and slidably mounted on the protective shell, the two limiting blocks are respectively and fixedly mounted on one ends of the two guide rods, which are close to each other, the two screws are symmetrically and threadedly mounted on the protective shell, one ends of the two screws, which are close to each other, are respectively and rotatably connected with the two limiting blocks, and the two knobs are respectively and fixedly mounted on one ends of the two screws, which are far away from each other.
3. The multi-circuit live-line switching resistor box according to claim 1, wherein a plurality of supporting blocks are symmetrically and fixedly installed at the bottom of the protective shell, and the same installation seat is fixedly installed at the bottom ends of the plurality of supporting blocks.
4. The multi-loop live-line switching resistor box according to claim 1, wherein a dust screen is fixedly installed in the exhaust port, a plurality of hinges are fixedly installed on one side of the protective shell, the same baffle is fixedly installed on a plurality of hinges, the baffle is matched with the protective shell, and an operation port is formed in the baffle.
5. The multi-circuit live-line switching resistor box according to claim 1, wherein a plurality of air outlet holes are formed in the bottom of the installation shell, a plurality of support rods are symmetrically and fixedly installed on the top of the protection shell, and the same shielding plate is fixedly installed on the tops of the support rods.
6. The multi-circuit live-line switching resistor box according to claim 3, wherein the mounting base is symmetrically provided with a plurality of mounting holes, and bolts are arranged in the plurality of mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222516860.3U CN219105845U (en) | 2022-09-22 | 2022-09-22 | Multi-loop live-line switching resistor box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222516860.3U CN219105845U (en) | 2022-09-22 | 2022-09-22 | Multi-loop live-line switching resistor box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219105845U true CN219105845U (en) | 2023-05-30 |
Family
ID=86467907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222516860.3U Active CN219105845U (en) | 2022-09-22 | 2022-09-22 | Multi-loop live-line switching resistor box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219105845U (en) |
-
2022
- 2022-09-22 CN CN202222516860.3U patent/CN219105845U/en active Active
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