CN210867542U - Built-in bypass soft starter - Google Patents
Built-in bypass soft starter Download PDFInfo
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- CN210867542U CN210867542U CN201922443840.6U CN201922443840U CN210867542U CN 210867542 U CN210867542 U CN 210867542U CN 201922443840 U CN201922443840 U CN 201922443840U CN 210867542 U CN210867542 U CN 210867542U
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Abstract
The utility model relates to a built-in bypass soft starter, which comprises a housin, be equipped with input pin on the casing, output pin, be equipped with radiator unit in the casing, circuit board and the current detection mutual-inductor of being connected with the circuit board electricity, silicon controlled rectifier and transformer, input pin, output pin all is connected with the silicon controlled rectifier, still be equipped with one-way direct current contactor in the casing, input pin and output pin are connected respectively in two pairs of both sides of casing, current detection mutual-inductor, silicon controlled rectifier and one-way direct current contactor set gradually in the casing to the output pin direction by input pin, the input of silicon controlled rectifier is connected with one-way direct current contactor's input electricity, one-way direct current contactor's output. The bypass soft starter provided by the utility model has the advantages that the unidirectional direct current contactor is arranged in the shell, is not interfered by the environment and is not easy to generate electric leakage; the positions of all parts are reasonably distributed, the size of the shell is small, and the cost is low; the upper heat dissipation plate and the lower heat dissipation plate are provided with the silicon controlled rectifiers in a clamping mode, and heat dissipation of the upper heat dissipation plate and the lower heat dissipation plate is facilitated.
Description
Technical Field
The utility model relates to a circuit equipment technical field especially indicates a built-in bypass soft starter.
Background
The Soft Starter (Soft Starter) is a novel motor control device integrating the functions of Soft starting, Soft stopping, light load energy saving and multiple protection functions of a motor, is called Soft Starter abroad, and mainly comprises a three-phase anti-parallel brake tube and an electronic control circuit thereof, wherein the three-phase anti-parallel brake tube is connected between a power supply and a controlled motor in series. The soft starter controls the conduction angle of the controllable silicon in the soft starter to enable the input voltage of the motor to gradually rise from zero according to a preset function relation until the starting is finished, the full voltage is given to the motor, namely the soft starting is carried out, and in the soft starting process, the starting torque of the motor is gradually increased, and the rotating speed is also gradually increased. The existing soft starter comprises a shell, wherein an input pin and an output pin are arranged on the shell, a heat dissipation assembly, a circuit board, a current detection mutual inductor, a thyristor and a transformer are arranged in the shell, the current detection mutual inductor, the thyristor and the transformer are electrically connected with the circuit board, and the input pin and the output pin are connected with the thyristor. The soft starter is externally provided with the unidirectional direct current contactor, and is easy to be interfered by the environment and generate the hazards of electric leakage and the like when in use; and the positions of all parts are unreasonably distributed, so that the volume of the shell is overlarge.
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, which leads each part of the soft starter to be built-in and is not interfered by the environment when in use; and the space layout is reasonable, and the shell is small.
The technical scheme of the utility model: the utility model provides a built-in bypass soft starter, includes the casing, be equipped with input pin, output pin on the casing, be equipped with radiator unit, circuit board in the casing and with current detection mutual-inductor, silicon controlled rectifier and the transformer that circuit board electricity is connected, input pin, output pin all are connected with the silicon controlled rectifier, still are equipped with one-way direct current contactor in the casing, input pin and output pin connect respectively in two pairs of both sides of casing, current detection mutual-inductor, silicon controlled rectifier and one-way direct current contactor set gradually in the casing to the output pin direction by input pin, radiator unit is including pressing from both sides the last heating panel and the lower heating panel of establishing the silicon controlled rectifier, and the input of silicon controlled rectifier is connected with one-way direct current contactor's input electricity, and one-way direct.
By adopting the technical scheme, the unidirectional direct current contactor is arranged in the shell, so that the unidirectional direct current contactor is not interfered by the environment when in use and is not easy to generate electric leakage and other hazards; the positions of all parts are reasonably distributed, the size of the shell is small, the cost is low, and the installation is convenient; the upper heat dissipation plate and the lower heat dissipation plate are provided with the silicon controlled rectifiers in a clamping mode, and heat dissipation of the upper heat dissipation plate and the lower heat dissipation plate is facilitated.
The utility model discloses a further setting again: the transformer is characterized in that three groups of input pins, the controllable silicon, the heat dissipation assembly, the one-way direct current contactor and the output pins are arranged side by side, the output pins are arranged above the corresponding one-way direct current contactors, the current detection transformers are arranged side by side and are respectively sleeved on the input pins at two sides, and the transformer is provided with one group and is arranged between the two current detection transformers.
Adopt above-mentioned further setting again, bypass soft starter is the three-phase, and work efficiency is high, and the transformer is installed conveniently, rational utilization casing space, and the part is rationally distributed.
The utility model discloses a further setting again: the silicon controlled rectifier is connected with the unidirectional direct current contactor, the unidirectional direct current contactor is connected with the output pin through the conducting strips.
Adopt above-mentioned further setting again, connect through the conducting strip between the two, it is more firm to connect, is difficult to become flexible, causes the electric wire to drop, contact failure.
The utility model discloses a still further set up: the casing is including base, upper cover and installation shell, the upper cover install on the base, the installation shell is installed on the upper cover, input pin, output pin, current detection mutual-inductor, silicon controlled rectifier, radiator unit and one-way direct current contactor all set up on the base, the transformer is installed on the upper cover, the circuit board is installed in the installation shell, the installing port that is used for switching on circuit board and base is offered at the upper cover middle part, the upper cover is equipped with the slot in the installing port periphery, and installation shell edge is equipped with the cutting of inserting that can insert the slot, the cutting is inserted and is established the location installation that realizes installation shell and upper cover in the slot, wear to be equipped with the screw between installation shell and the upper cover.
By adopting the above further arrangement, the base and the upper cover are detachably connected, so that the parts can be conveniently arranged, and the connecting structure of the upper cover and the base is simple.
The utility model discloses a still further set up: the screw rods penetrate through the upper heat dissipation plate and the lower heat dissipation plate, through holes for the screw rods to penetrate through are formed in the bottom surface of the base, nuts are arranged on the lower end portions, extending out of the base, of the screw rods in a rotating mode, and nuts are also arranged on the upper end portions, extending out of the upper heat dissipation plate, of the screw rods in a rotating mode.
By adopting the above further arrangement, the screw penetrates through the upper heat dissipation plate and the lower heat dissipation plate, and the end part of the screw is screwed with the nut, so that the upper heat dissipation plate, the lower heat dissipation plate and the shell are fixedly connected, and the structure is simple.
Drawings
FIG. 1 is a block diagram of an embodiment of the present invention;
FIG. 2 is an internal structural view of an embodiment of the present invention;
FIG. 3 is a diagram of the structure of one side of the thyristor according to an embodiment of the present invention;
FIG. 4 is an assembly view of the base and the upper cover according to an embodiment of the present invention;
fig. 5 is a structural diagram of the mounting case according to the embodiment of the present invention.
Casing 1, input pin 2, output pin 3, radiator unit 4, circuit board 5, current detection mutual-inductor 6, silicon controlled rectifier 7, transformer 8, one-way direct current contactor 9, upper heat dissipation plate 41, lower heat dissipation plate 42, conducting strip 10, base 11, upper cover 12, installation shell 13, installing port 121, slot 122, cutting 131, screw 15, nut 16.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indications (such as up, down, front, and back … …) in the description of the present invention are only used to explain the relative position relationship between the components, the movement, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
As shown in fig. 1-5, the soft starter with a bypass comprises a casing 1, wherein the casing 1 is provided with an input pin 2 and an output pin 3, the casing 1 is provided with a heat dissipation assembly 4, a circuit board 5, and a current detection transformer 6, a thyristor 7 and a transformer 8 electrically connected to the circuit board 5, the input pin 2 and the output pin 3 are both connected to the thyristor 7, the casing 1 is further provided with a unidirectional dc contactor 9, the input pin 2 and the output pin 3 are respectively connected to two pairs of two sides of the casing 1, the current detection transformer 6, the thyristor 7 and the unidirectional dc contactor 9 are sequentially arranged in the casing 1 from the input pin 2 to the output pin 3, the heat dissipation assembly 4 comprises an upper heat dissipation plate 41 and a lower heat dissipation plate 42 which are provided with the thyristor 7 in a clamping manner, and the input end of the thyristor 7 is electrically connected to the input end of the unidirectional dc contactor 9, the output end of the unidirectional direct current contactor 9 is electrically connected with the output pin 3; the three groups of the input pins 2, the controllable silicon 7, the heat dissipation assembly 4, the unidirectional direct current contactor 9 and the output pins 3 are arranged side by side, the output pins 3 are arranged above the corresponding unidirectional direct current contactor 9, the two groups of the current detection mutual inductors 6 are arranged side by side and are respectively sleeved on the input pins 2 at two sides, and the one group of the transformer 8 is arranged and is arranged between the two current detection mutual inductors 6; the controllable silicon 7 is connected with the unidirectional direct current contactor 9, the unidirectional direct current contactor 9 is connected with the output pin 3 through the conducting strip 10. The unidirectional direct current contactor 9 is arranged in the shell 1, is not interfered by the environment when in use, and is not easy to generate electric leakage and other hazards; the bypass soft starter is three-phase, the working efficiency is high, the transformer 8 is convenient to mount, the space of the shell 1 is reasonably utilized, the layout of parts is reasonable, the size of the shell 1 is small, the cost is low, and the installation is convenient; the upper heat dissipation plate 41 and the lower heat dissipation plate 42 are provided with the silicon controlled rectifier 7 in a clamping mode, so that heat dissipation of the silicon controlled rectifier is facilitated;
the utility model discloses a specific embodiment, casing 1 is including base 11, upper cover 12 and installation shell 13, upper cover 12 install on base 11, installation shell 13 is installed on upper cover 12, input pin 2, output pin 3, current detection mutual-inductor 6, silicon controlled rectifier 7, radiator unit 4 and one-way direct current contactor 9 all set up on base 11, and transformer 8 installs on upper cover 12, and circuit board 5 is installed in installation shell 13, upper cover 12 middle part is offered and is used for switching on the installing port 121 of circuit board 5 and base 11, upper cover 12 is equipped with slot 122 in installing port 121 periphery, and installation shell 13 edge is equipped with the cutting 131 that can insert slot 122, cutting 131 inserts and establishes the location installation that realizes installation shell 13 and upper cover 12 in slot 122, wear to be equipped with the screw between installation shell 13 and the upper cover 12. The base 11 and the upper cover 12 are detachably connected, so that the parts can be conveniently arranged, and the connection structure of the upper cover 12 and the base 11 is simple.
The utility model discloses a concrete embodiment, wear to be equipped with screw rod 15 on last heating panel 41 and the lower heating panel 42, be equipped with the through-hole that supplies screw rod 15 to wear to establish on the bottom surface of base 11, screw rod 15 stretches out the lower tip of base 11 and spins and be equipped with nut 16, also revolves on screw rod 15 stretches out the upper end of last heating panel 41 and is equipped with nut 16. The screw 15 passes through the upper heat dissipation plate 41 and the lower heat dissipation plate 42, and the end part of the screw is screwed with the nut 16, so that the upper heat dissipation plate 41, the lower heat dissipation plate 42 and the shell 1 are fixedly connected, and the structure is simple.
Claims (5)
1. The utility model provides a built-in bypass soft starter, includes the casing, be equipped with input pin, output pin on the casing, be equipped with radiator unit, circuit board in the casing and with current detection mutual-inductor, silicon controlled rectifier and the transformer that circuit board electricity is connected, input pin, output pin all are connected with the silicon controlled rectifier, its characterized in that still is equipped with one-way direct current contactor in the casing, input pin and output pin connect respectively in two pairs of both sides of casing, current detection mutual-inductor, silicon controlled rectifier and one-way direct current contactor set gradually in the casing to the output pin direction by input pin, radiator unit is including pressing from both sides last heating panel and the lower heating panel of establishing the silicon controlled rectifier, the input of silicon controlled rectifier is connected with one-way direct current contactor's input electricity, and one-way direct current contactor.
2. The soft starter with the built-in bypass according to claim 1, wherein three sets of the input pins, the silicon controlled rectifier, the heat dissipation assembly, the unidirectional direct current contactor and the output pins are arranged side by side, the output pins are arranged above the corresponding unidirectional direct current contactor, two sets of the current detection mutual inductors are arranged side by side and are respectively sleeved on the input pins at two sides, and one set of the transformer is arranged and is arranged between the two current detection mutual inductors.
3. The soft starter with built-in bypass according to claim 1 or 2, wherein the thyristor and the unidirectional direct current contactor, and the unidirectional direct current contactor and the output pin are connected through a conducting strip.
4. The soft starter with the built-in bypass according to claim 3, wherein the casing comprises a base, an upper cover and a mounting shell, the upper cover is mounted on the base, the mounting shell is mounted on the upper cover, the input pin, the output pin, the current detection transformer, the thyristor, the heat dissipation assembly and the unidirectional direct current contactor are all arranged on the base, the transformer is mounted on the upper cover, the circuit board is mounted in the mounting shell, a mounting port for conducting the circuit board and the base is formed in the middle of the upper cover, a slot is formed in the periphery of the mounting port of the upper cover, an insertion strip capable of being inserted into the slot is arranged at the edge of the mounting shell, the insertion strip is inserted into the slot to achieve positioning and mounting of the mounting shell and the upper cover, and a screw is arranged between the mounting shell and the upper cover in a.
5. The soft starter of claim 4, wherein the upper heat dissipating plate and the lower heat dissipating plate are provided with screws, the bottom surface of the base is provided with through holes for the screws to pass through, the lower end of the screw extending out of the base is provided with a nut in a rotating manner, and the upper end of the screw extending out of the upper heat dissipating plate is also provided with a nut in a rotating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922443840.6U CN210867542U (en) | 2019-12-27 | 2019-12-27 | Built-in bypass soft starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922443840.6U CN210867542U (en) | 2019-12-27 | 2019-12-27 | Built-in bypass soft starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210867542U true CN210867542U (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922443840.6U Active CN210867542U (en) | 2019-12-27 | 2019-12-27 | Built-in bypass soft starter |
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| Country | Link |
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| CN (1) | CN210867542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113281592A (en) * | 2021-05-12 | 2021-08-20 | 深圳市英达维诺电路科技有限公司 | Electronic element performance testing device and testing method |
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2019
- 2019-12-27 CN CN201922443840.6U patent/CN210867542U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113281592A (en) * | 2021-05-12 | 2021-08-20 | 深圳市英达维诺电路科技有限公司 | Electronic element performance testing device and testing method |
| CN113281592B (en) * | 2021-05-12 | 2024-05-14 | 深圳市英达维诺电路科技有限公司 | Electronic element performance testing device and testing method |
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