CN210839396U - Built-in bypass soft starter - Google Patents
Built-in bypass soft starter Download PDFInfo
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- CN210839396U CN210839396U CN201922418573.7U CN201922418573U CN210839396U CN 210839396 U CN210839396 U CN 210839396U CN 201922418573 U CN201922418573 U CN 201922418573U CN 210839396 U CN210839396 U CN 210839396U
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- shell
- transformer
- direct current
- controlled rectifier
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Abstract
The utility model relates to a built-in bypass soft starter, including casing and the control panel of setting on the casing, be equipped with current detection mutual-inductor, silicon controlled rectifier and transformer in the casing, be equipped with input pin and output pin on the casing, input pin one end is connected with the silicon controlled rectifier, output pin one end is connected with the silicon controlled rectifier, current detection mutual-inductor and transformer all are connected with input pin, be equipped with the circuit board in the casing, current detection mutual-inductor, silicon controlled rectifier and transformer all are connected with the circuit board, still be equipped with single-phase direct current contactor in the casing, single-phase direct current contactor's input is connected with the silicon controlled rectifier input, and the output is connected with output pin, single-phase direct current contactor still is connected with the circuit board. Adopt above-mentioned technical scheme, the utility model provides a built-in bypass soft starter installs the casing with single-phase direct current contactor for this soft starter is rationally distributed, and the wiring is reasonable, simple to operate.
Description
Technical Field
The utility model relates to a motor control device especially relates to a built-in bypass soft starter.
Background
The current of the three-phase asynchronous motor can reach 6-7 times of the rated current when the motor is directly started, and the instantaneous impact on a power grid is very large, so that in actual use, a soft starter is generally adopted to realize the smooth starting of the motor without impact in the whole starting process. The soft starter is a novel motor control device integrating the functions of soft starting, soft stopping, light load energy saving and multiple protection of a motor. However, the soft starter in the existing market is generally provided with the single-phase direct-current contactor outside the shell, so that the soft starter is large in size, complex in wiring, easy to connect wrong wires and inconvenient to install.
Disclosure of Invention
The utility model aims at: in order to overcome the defects of the prior art, the utility model provides a built-in bypass soft starter installs the casing with single-phase direct current contactor for this soft starter is rationally distributed, and the wiring is reasonable, simple to operate, and the volume diminishes.
The technical scheme of the utility model: a built-in bypass soft starter comprises a shell and a control panel arranged on the shell, wherein a current detection mutual inductor, a silicon controlled rectifier and a transformer are arranged in the shell, an input pin and an output pin are arranged on the shell, one end of the input pin extends into the shell and is connected with the silicon controlled rectifier, the other end of the input pin extends out of the shell, one end of the output pin extends into the shell and is connected with the silicon controlled rectifier, the other end of the output pin extends out of the shell, the current detection mutual inductor and the transformer are both connected with the input pin, a circuit board connected with the control panel is arranged on the inner side wall of the shell, and the current detection mutual inductor, the silicon controlled rectifier and the transformer are all connected with the circuit board, the input end of the single-phase direct current contactor is connected with the input end of the controllable silicon, the output end of the single-phase direct current contactor is connected with the output pin, and the single-phase direct current contactor is further connected with the circuit board.
Adopt above-mentioned technical scheme, install single-phase direct current contactor in the casing for the wiring is reasonable in the soft starter, and is mixed and disorderly, and current detection mutual-inductor, silicon controlled rectifier, single-phase direct current contactor and transformer set gradually along input pin to output pin direction, make the interior overall arrangement of casing reasonable, simple to operate, whole volume diminishes.
The utility model discloses a further setting: the input end of the controllable silicon is connected with the single-phase direct current contactor through a wire, and the single-phase direct current contactor is connected with the output pin through a conducting strip.
Adopt above-mentioned further setting, connect through the wire and can improve the electric conductivity, and connect conveniently, connect through the conducting strip and make the connection between the two more firm.
The utility model discloses a further setting again: the shell is internally provided with a radiating fin below the controlled silicon, and the shell is provided with a plurality of first radiating holes corresponding to the radiating fin.
Adopt above-mentioned further setting again, the setting of fin is used for dispelling the produced heat of silicon controlled rectifier fast, prevents that the silicon controlled rectifier from overheated burning out, and the heat in with the casing distributes away, prevents that the temperature in the casing is too high in the heat dissipation that can step forward of setting up of first louvre.
The utility model discloses a still further set up: the transformer is arranged between the single-phase direct current contactor and the inner side wall of the shell, and the transformer is laterally installed in the shell.
By adopting the above further arrangement, the space in the shell is reasonably utilized, and the shell space is further saved, so that the whole volume of the soft starter is small, and the space is not occupied.
The utility model discloses a still further set up: the casing is including dismantling connection base and upper cover, control panel sets up the lateral surface at the upper cover, the circuit board sets up the medial surface at the upper cover, be equipped with the mount pad in the base, the equal fixed mounting of silicon controlled rectifier and single-phase direct current contactor is on the mount pad, be equipped with in the mount pad with the communicating well kenozooecium of first louvre, the fin sets up well kenozooecium, the interval sets up the formation installation cavity between mount pad and the base lateral wall, the transformer is installed in the installation cavity, and with the lateral wall fixed connection of base, be equipped with a plurality of second louvre on the lateral wall of installation cavity.
Adopt the aforesaid to set up still further, the connection can be dismantled to the casing, makes things convenient for the dismouting, and the convenience is installed, is changed the internals, and the setting of mount pad and installation cavity for structural configuration in the casing is reasonable, makes each part not mixed and disorderly, and the setting of second louvre makes the temperature in the casing can not be too high, improves life.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an internal schematic view of an embodiment of the present invention;
FIG. 3 is a schematic view of the connection of the components according to an embodiment of the present invention;
FIG. 4 is an exploded view of an embodiment of the present invention;
fig. 5 is a schematic view of a base according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1-5, a built-in bypass soft starter comprises a casing 1 and a control panel 2 arranged on the casing 1, wherein a current detection mutual inductor 3, a thyristor 4 and a transformer 5 are arranged in the casing 1, an input pin 6 and an output pin 7 are arranged on the casing 1, one end of the input pin 6 extends into the casing 1 and is connected with the thyristor 4, the other end of the input pin extends out of the casing 1, one end of the output pin 7 extends into the casing 1 and is connected with the thyristor 4, the other end extends out of the casing 1, the current detection mutual inductor 3 and the transformer 5 are both connected with the input pin 6, a circuit board 8 connected with the control panel 2 is arranged on the inner side wall of the casing 1, the current detection mutual inductor 3, the thyristor 4 and the transformer 5 are all connected with the circuit board 8, a single-phase dc contactor 9 is further arranged in the casing, current detection mutual-inductor 3, silicon controlled rectifier 4, single-phase DC contactor 9 and transformer 5 set gradually along input pin 6 to output pin 7 direction, single-phase DC contactor 9's input is connected with silicon controlled rectifier 4's input, and the output is connected with output pin 7, single-phase DC contactor 9 still is connected with circuit board 8, installs casing 1 in with single-phase DC contactor 9 for the wiring is reasonable in the soft starter, and is not mixed and disorderly, and the user need not to select by oneself external single-phase DC contactor 9, and current detection mutual-inductor 3, silicon controlled rectifier 4, single-phase DC contactor 9 and transformer 5 set gradually along input pin 6 to output pin 7 direction, makes the interior arrangement of casing 1 reasonable, compact structure, simple to operate, whole volume diminishes.
In this embodiment, be connected through the wire between the input of silicon controlled rectifier 4 and the single-phase direct current contactor 9, the wire periphery still overlaps and is equipped with protective sheath 10, and protective sheath 10 adopts the nylon rope to make, and protective sheath 10's periphery still is equipped with the insulating layer for fire prevention anticreep can improve the conductibility through the wire connection, and connects conveniently, occupation space not, and it is more convenient to work a telephone switchboard, be connected through conducting strip 11 between single-phase direct current contactor 9 and the output pin 7, connect through conducting strip 11 and make connection between the two more firm, conducting strip 11 is "Z" font setting, the rational utilization space.
In this embodiment, the below that is located silicon controlled rectifier 4 in the casing 1 is equipped with fin 12, the casing 1 is gone up and is equipped with the first louvre 13 of a plurality of corresponding fin 12 position, and the setting of fin 12 is used for dispelling the produced heat of silicon controlled rectifier 4 fast, prevents that silicon controlled rectifier 4 from overheating to burn out, and the heat dissipation that can step forward in the setting of first louvre 13 improves the radiating efficiency, distributes away the heat in the casing 1, prevents the high temperature in the casing 1.
In this embodiment, the transformer 5 is disposed between the inner side walls of the single-phase dc contactor 9 and the casing 1, and the transformer 5 is laterally installed in the casing 1, so as to reasonably utilize the space in the casing 1 and further save the casing space, so that the soft starter has a small overall size and occupies no space.
In this embodiment, the housing 1 includes a detachable connection base 14 and an upper cover 15, the control panel 2 is disposed on the outer side surface of the upper cover 15, the circuit board 8 is disposed on the inner side surface of the upper cover 15, a mounting seat 141 is disposed in the base 14, the thyristor 4 and the single-phase dc contactor 9 are both fixedly mounted on the mounting seat 141, a hollow portion 1411 communicated with the first heat dissipation hole 13 is disposed in the mounting seat 141, the heat sink 12 is disposed in the hollow portion 1411, a mounting cavity 16 is formed between the mounting seat 141 and the side wall of the base 14 at an interval, the transformer 5 is mounted in the mounting cavity 16 and is fixedly connected to the side wall of the base 14, a plurality of second heat dissipation holes 161 are disposed on the side wall of the mounting cavity 16, the housing 1 is detachably connected to facilitate disassembly and assembly, facilitate installation and replacement of internal components, and the mounting seat 141 and the mounting cavity, make the structural layout in the casing 1 reasonable for each part is not mixed and disorderly, and the setting up of second louvre 161 makes the temperature in the casing 1 not too high, improves life.
Claims (5)
1. A built-in bypass soft starter comprises a shell and a control panel arranged on the shell, wherein a current detection mutual inductor, a silicon controlled rectifier and a transformer are arranged in the shell, an input pin and an output pin are arranged on the shell, one end of the input pin extends into the shell and is connected with the silicon controlled rectifier, the other end of the input pin extends out of the shell, one end of the output pin extends into the shell and is connected with the silicon controlled rectifier, the other end of the output pin extends out of the shell, the current detection mutual inductor and the transformer are both connected with the input pin, a circuit board connected with the control panel is arranged on the inner side wall of the shell, and the current detection mutual inductor, the silicon controlled rectifier and the transformer are all connected with the circuit board, the input end of the single-phase direct current contactor is connected with the input end of the controllable silicon, the output end of the single-phase direct current contactor is connected with the output pin, and the single-phase direct current contactor is further connected with the circuit board.
2. The soft starter with the built-in bypass according to claim 1, wherein the input end of the thyristor is connected with a single-phase direct current contactor through a wire, and the single-phase direct current contactor is connected with an output pin through a conducting strip.
3. The soft starter with built-in bypass according to claim 1 or 2, wherein a heat sink is disposed below the thyristor in the casing, and a plurality of first heat dissipation holes are disposed on the casing corresponding to the heat sink.
4. The internal bypass soft starter of claim 3 wherein the transformer is disposed between the single phase DC contactor and an inner side wall of the housing, and the transformer is mounted laterally within the housing.
5. The built-in bypass soft starter according to claim 4, wherein the casing comprises a detachable connection base and an upper cover, the control panel is arranged on the outer side surface of the upper cover, the circuit board is arranged on the inner side surface of the upper cover, a mounting seat is arranged in the base, the thyristor and the single-phase direct current contactor are both fixedly mounted on the mounting seat, a hollow part communicated with the first heat dissipation holes is arranged in the mounting seat, the heat dissipation fins are arranged in the hollow part, a mounting cavity is formed between the mounting seat and the side wall of the base at intervals, the transformer is mounted in the mounting cavity and is fixedly connected with the side wall of the base, and a plurality of second heat dissipation holes are arranged on the side wall of the mounting cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922418573.7U CN210839396U (en) | 2019-12-27 | 2019-12-27 | Built-in bypass soft starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922418573.7U CN210839396U (en) | 2019-12-27 | 2019-12-27 | Built-in bypass soft starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210839396U true CN210839396U (en) | 2020-06-23 |
Family
ID=71262867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922418573.7U Active CN210839396U (en) | 2019-12-27 | 2019-12-27 | Built-in bypass soft starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210839396U (en) |
-
2019
- 2019-12-27 CN CN201922418573.7U patent/CN210839396U/en active Active
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