CN210867542U - Built-in bypass soft starter - Google Patents

Built-in bypass soft starter Download PDF

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Publication number
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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heat dissipation
way
contactor
upper cover
input
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刘健
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Zhejiang Luoka Electrical Co ltd
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Zhejiang Luoka Electrical Co ltd
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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

一种内置旁路软启动器A built-in bypass soft starter

技术领域technical field

本实用新型涉及电路设备技术领域,特别是指一种内置旁路软启动器。The utility model relates to the technical field of circuit equipment, in particular to a built-in bypass soft starter.

背景技术Background technique

软起动器(软启动器)是一种集电机软起动、软停车、轻载节能和多种保护功能于一体的新颖电机控制装置,国外称为Soft Starter,它的主要构成是串接于电源与被控电机之间的三相反并联闸管及其电子控制电路。软起动器控制其内部可控硅的导通角,使电机输入电压从零以预设函数关系逐渐上升,直至起动结束,赋予电机全电压,即为软起动,在软起动过程中,电机起动转矩逐渐增加,转速也逐渐增加。现有的软启动器,包括壳体,所述壳体上设有输入引脚、输出引脚,壳体内设有散热组件、电路板以及与所述电路板电连接的电流检测互感器、可控硅和变压器,输入引脚、输出引脚均与可控硅连接。这种软启动器,单向直流接触器外置,使用易受环境干扰,产生漏电等危害;且各零件位置分布不合理,导致壳体体积过大。Soft starter (soft starter) is a novel motor control device that integrates motor soft start, soft stop, light load energy saving and various protection functions. It is called Soft Starter in foreign countries. The three-phase parallel thyristor and its electronic control circuit are connected with the controlled motor. The soft starter controls the conduction angle of its internal thyristor, so that the input voltage of the motor gradually increases from zero with a preset function relationship until the end of the start, giving the motor full voltage, which is soft start. During the soft start process, the motor starts The torque increases gradually, and the rotational speed also increases gradually. The existing soft starter includes a casing, the casing is provided with input pins and output pins, and the casing is provided with a heat dissipation component, a circuit board, and a current detection transformer electrically connected to the circuit board, which can be The thyristor and the transformer, the input pins and the output pins are all connected with the thyristor. This kind of soft starter has an external one-way DC contactor, which is susceptible to environmental interference and leakage, etc.;

发明内容SUMMARY OF THE INVENTION

本实用新型的目的:为了克服现有技术的缺陷,本实用新型提供了一种内置旁路软启动器,使得软启动器的各个零部件均为内置,使用不受环境干扰;且其空间布局合理,壳体体积小。Purpose of the present utility model: In order to overcome the defects of the prior art, the utility model provides a built-in bypass soft starter, so that each component of the soft starter is built-in, and the use is not disturbed by the environment; and its spatial layout Reasonable, the shell volume is small.

本实用新型的技术方案:一种内置旁路软启动器,包括壳体,所述壳体上设有输入引脚、输出引脚,壳体内设有散热组件、电路板以及与所述电路板电连接的电流检测互感器、可控硅和变压器,输入引脚、输出引脚均与可控硅连接,壳体内还设有单向直流接触器,所述的输入引脚和输出引脚分别连接在壳体的两对两侧,所述的电流检测互感器、可控硅和单向直流接触器由输入引脚向输出引脚方向依次设置在壳体内,所述散热组件包括夹设可控硅的上散热板和下散热板,可控硅的输入端与单向直流接触器的输入端电连接,单向直流接触器的输出端与输出引脚电连接。The technical solution of the utility model is as follows: a built-in bypass soft starter, comprising a casing, an input pin and an output pin are arranged on the casing, and a heat dissipation component, a circuit board and a circuit board are arranged in the casing. The current detection transformer, the thyristor and the transformer are electrically connected, the input pins and the output pins are all connected with the thyristor, and a one-way DC contactor is also arranged in the casing, and the input pins and the output pins are respectively Connected to the two pairs of both sides of the casing, the current detection transformer, the thyristor and the one-way DC contactor are sequentially arranged in the casing from the input pin to the output pin direction, and the heat dissipation component includes a clamping device. The upper cooling plate and the lower cooling plate of the thyristor, the input end of the thyristor is electrically connected with the input end of the one-way DC contactor, and the output end of the one-way DC contactor is electrically connected with the output pin.

采用上述技术方案,所述的单向直流接触器内置于壳体内,使用不受环境干扰,不容易产生漏电等危害;且各零件位置分布合理,壳体体积小,成本低,便于安装;所述上散热板和下散热板夹设可控硅,便于对其的散热。By adopting the above technical solution, the one-way DC contactor is built in the casing, and is not disturbed by the environment, and is not prone to hazards such as leakage; and the distribution of the parts is reasonable, the casing is small, the cost is low, and it is easy to install; The thyristor is sandwiched between the upper heat dissipation plate and the lower heat dissipation plate, so as to facilitate the heat dissipation thereof.

本实用新型的再进一步设置:所述的输入引脚、可控硅、散热组件、单向直流接触器、输出引脚并排设置有三组,所述的输出引脚设置在对应的单向直流接触器的上方,所述的电流检测互感器并排设有两组且分别套设在两侧的输入引脚上,所述的变压器设有一组且装设于两电流检测互感器之间。The utility model is further set up: the input pins, the thyristor, the heat dissipation component, the one-way DC contactor, and the output pins are arranged in three groups side by side, and the output pins are arranged in the corresponding one-way DC contacts. Above the transformer, two sets of the current detection transformers are arranged side by side and are respectively sleeved on the input pins on both sides, and one set of the transformer is arranged between the two current detection transformers.

采用上述再进一步设置,旁路软启动器为三相,工作效率高,且变压器装设方便,合理利用壳体空间,零件布局合理。With the above-mentioned further settings, the bypass soft starter is three-phase, with high working efficiency, convenient transformer installation, reasonable use of housing space, and reasonable layout of parts.

本实用新型的再进一步设置:可控硅与单向直流接触器、单向直流接触器与输出引脚均经导电片连接。The utility model is further provided: the thyristor and the one-way direct current contactor, and the one-way direct current contactor and the output pins are all connected through the conductive sheet.

采用上述再进一步设置,两者之间经导电片连接,连接更加牢固,不容易松动,造成电线脱落,接触不良。With the above-mentioned further arrangement, the two are connected by a conductive sheet, the connection is more firm, and it is not easy to loosen, resulting in the wire falling off and poor contact.

本实用新型的再更进一步设置:所述壳体包括有底座、上盖以及安装壳,所述的上盖装设在底座上,安装壳装设在上盖上,所述输入引脚、输出引脚、电流检测互感器、可控硅、散热组件和单向直流接触器均设置在底座上,变压器装设在上盖上,电路板装设在安装壳内,所述上盖中部开设有用于导通电路板与底座的安装口,所述上盖在安装口外周设有插槽,安装壳边缘处设有可插入插槽的插条,所述插条插设在插槽内实现安装壳与上盖的定位安装,所述安装壳与上盖之间穿设有螺钉。The utility model is further provided: the housing includes a base, an upper cover and an installation shell, the upper cover is installed on the base, the installation shell is installed on the upper cover, the input pins, the output Pins, current detection transformers, thyristors, heat dissipation components and one-way DC contactors are all arranged on the base, the transformer is installed on the upper cover, and the circuit board is installed in the installation shell. At the installation port connecting the circuit board and the base, the upper cover is provided with a slot on the outer periphery of the installation port, and the edge of the installation shell is provided with an insert that can be inserted into the slot, and the insert is inserted in the slot to realize the installation. The positioning and installation of the shell and the upper cover are provided with screws passing through between the mounting shell and the upper cover.

采用上述再更进一步设置,所述底座与上盖可拆卸连接,便于各零件的装设,且上盖与底座连接结构简单。With the above-mentioned further arrangement, the base and the upper cover are detachably connected, which facilitates the installation of various parts, and the connection structure between the upper cover and the base is simple.

本实用新型的再更进一步设置:所述上散热板和下散热板上穿设有螺杆,底座的底面上设有供螺杆穿设的通孔,螺杆伸出底座的下端部上旋设有螺母,螺杆伸出上散热板的上端部上也旋设有螺母。The utility model is further provided: the upper heat dissipation plate and the lower heat dissipation plate are provided with screws, the bottom surface of the base is provided with through holes for the screws to pass through, and the lower ends of the screws extending out of the base are screwed with nuts. A nut is also screwed on the upper end of the screw extending out of the upper radiating plate.

采用上述再更进一步设置,螺杆穿过上散热板和下散热板,并且其端部旋设有螺母,实现上散热板、下散热板和壳体的固定连接,结构简单。With the above arrangement, the screw rod passes through the upper and lower radiating plates, and a nut is screwed at the ends thereof, so as to realize the fixed connection of the upper radiating plate, the lower radiating plate and the casing, and the structure is simple.

附图说明Description of drawings

图1为本实用新型具体实施例的结构图;1 is a structural diagram of a specific embodiment of the present utility model;

图2为本实用新型具体实施例的内部结构图;Fig. 2 is the internal structure diagram of the specific embodiment of the utility model;

图3为本实用新型具体实施例中可控硅一侧的结构图;3 is a structural diagram of one side of the thyristor in a specific embodiment of the present utility model;

图4为本实用新型具体实施例中底座与上盖的装配图;4 is an assembly diagram of a base and an upper cover in a specific embodiment of the present utility model;

图5为本实用新型具体实施例中安装壳的结构图。FIG. 5 is a structural diagram of an installation shell in a specific embodiment of the present invention.

壳体1,输入引脚2,输出引脚3,散热组件4,电路板5,电流检测互感器6,可控硅7,变压器8,单向直流接触器9,上散热板41,下散热板42,导电片10,底座11,上盖12,安装壳13,安装口121,插槽122,插条131,螺杆15,螺母16。Housing 1, input pin 2, output pin 3, heat dissipation assembly 4, circuit board 5, current detection transformer 6, thyristor 7, transformer 8, one-way DC contactor 9, upper heat dissipation plate 41, lower heat dissipation The board 42 , the conductive sheet 10 , the base 11 , the upper cover 12 , the mounting shell 13 , the mounting opening 121 , the slot 122 , the insert 131 , the screw 15 , and the nut 16 .

具体实施方式Detailed ways

下面将结合附图,对本实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明的一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。The technical solutions in this embodiment will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

需要说明,在本发明的描述中所有方向性指示(诸如上、下、前、后……)仅用于解释在某一特定姿态(如附图所示)下各部件之间的相对位置关系、运动情况等,如果该特定姿态发生改变时,则该方向性指示也相应地随之改变。It should be noted that in the description of the present invention, all directional indications (such as up, down, front, back, etc.) are only used to explain the relative positional relationship between the various components under a certain posture (as shown in the accompanying drawings). , motion situation, etc., if the specific posture changes, the directional indication also changes accordingly.

另外,在本发明中如涉及“第一”、“第二”等的描述仅用于描述目的,而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。In addition, descriptions such as "first", "second", etc. in the present invention are only for descriptive purposes, and should not be construed as indicating or implying their relative importance or implicitly indicating the number of indicated technical features.

如图1-5所示,本实用新型的一种内置旁路软启动器,包括壳体1,所述壳体1上设有输入引脚2、输出引脚3,壳体1内设有散热组件4、电路板5以及与所述电路板5电连接的电流检测互感器6、可控硅7和变压器8,输入引脚2、输出引脚3均与可控硅7连接,壳体1内还设有单向直流接触器9,所述的输入引脚2和输出引脚3分别连接在壳体1的两对两侧,所述的电流检测互感器6、可控硅7和单向直流接触器9由输入引脚2向输出引脚3方向依次设置在壳体1内,所述散热组件4包括夹设可控硅7的上散热板41和下散热板42,可控硅7的输入端与单向直流接触器9的输入端电连接,单向直流接触器9的输出端与输出引脚3电连接;所述的输入引脚2、可控硅7、散热组件4、单向直流接触器9、输出引脚3并排设置有三组,所述的输出引脚3设置在对应的单向直流接触器9的上方,所述的电流检测互感器6并排设有两组且分别套设在两侧的输入引脚2上,所述的变压器8设有一组且装设于两电流检测互感器6之间;可控硅7与单向直流接触器9、单向直流接触器9与输出引脚3均经导电片10连接。所述的单向直流接触器9内置于壳体1内,使用不受环境干扰,不容易产生漏电等危害;旁路软启动器为三相,工作效率高,且变压器8装设方便,合理利用壳体1空间,零件布局合理,壳体1体积小,成本低,便于安装;所述上散热板41和下散热板42夹设可控硅7,便于对其的散热;As shown in Figures 1-5, a built-in bypass soft starter of the present invention includes a housing 1, and the housing 1 is provided with an input pin 2 and an output pin 3, and the housing 1 is provided with an input pin 2 and an output pin 3. The heat dissipation component 4, the circuit board 5, the current detection transformer 6, the thyristor 7 and the transformer 8 electrically connected to the circuit board 5, the input pin 2 and the output pin 3 are all connected to the thyristor 7, and the housing 1 is also provided with a one-way DC contactor 9, the input pin 2 and the output pin 3 are respectively connected to two pairs of both sides of the housing 1, the current detection transformer 6, the thyristor 7 and The one-way DC contactor 9 is sequentially arranged in the casing 1 from the input pin 2 to the output pin 3. The heat dissipation assembly 4 includes an upper heat dissipation plate 41 and a lower heat dissipation plate 42 sandwiching the thyristor 7. The input end of the silicon 7 is electrically connected with the input end of the one-way DC contactor 9, and the output end of the one-way DC contactor 9 is electrically connected with the output pin 3; the input pin 2, the thyristor 7, the heat dissipation component 4. Three groups of one-way DC contactor 9 and output pins 3 are arranged side by side, the output pin 3 is arranged above the corresponding one-way DC contactor 9, and the current detection transformer 6 is arranged with two side by side. The transformer 8 is provided with a set and installed between the two current detection transformers 6; the thyristor 7 and the one-way DC contactor 9, the one-way Both the DC contactor 9 and the output pin 3 are connected through the conductive sheet 10 . The one-way DC contactor 9 is built in the shell 1, and is not disturbed by the environment, and is not easy to cause leakage and other hazards; the bypass soft starter is three-phase, and has high working efficiency, and the installation of the transformer 8 is convenient and reasonable. Using the space of the housing 1, the layout of parts is reasonable, the housing 1 is small in size, low in cost, and easy to install; the upper heat dissipation plate 41 and the lower heat dissipation plate 42 are sandwiched with a thyristor 7, which is convenient for heat dissipation;

本实用新型的具体实施例,所述壳体1包括有底座11、上盖12以及安装壳13,所述的上盖12装设在底座11上,安装壳13装设在上盖12上,所述输入引脚2、输出引脚3、电流检测互感器6、可控硅7、散热组件4和单向直流接触器9均设置在底座11上,变压器8装设在上盖12上,电路板5装设在安装壳13内,所述上盖12中部开设有用于导通电路板5与底座11的安装口121,所述上盖12在安装口121外周设有插槽122,安装壳13边缘处设有可插入插槽122的插条131,所述插条131插设在插槽122内实现安装壳13与上盖12的定位安装,所述安装壳13与上盖12之间穿设有螺钉。所述底座11与上盖12可拆卸连接,便于各零件的装设,且上盖12与底座11连接结构简单。In a specific embodiment of the present invention, the housing 1 includes a base 11 , an upper cover 12 and an installation shell 13 , the upper cover 12 is installed on the base 11 , and the installation shell 13 is installed on the upper cover 12 , The input pin 2, the output pin 3, the current detection transformer 6, the thyristor 7, the heat dissipation component 4 and the one-way DC contactor 9 are all arranged on the base 11, and the transformer 8 is arranged on the upper cover 12, The circuit board 5 is installed in the installation shell 13 , the middle of the upper cover 12 is provided with an installation opening 121 for conducting the circuit board 5 and the base 11 , and the upper cover 12 is provided with a slot 122 on the outer periphery of the installation opening 121 for installation. The edge of the shell 13 is provided with a strip 131 that can be inserted into the slot 122. The strip 131 is inserted into the slot 122 to realize the positioning and installation of the mounting shell 13 and the upper cover 12. There are screws in between. The base 11 and the upper cover 12 are detachably connected to facilitate the installation of various parts, and the connection structure of the upper cover 12 and the base 11 is simple.

本实用新型的具体实施例,所述上散热板41和下散热板42上穿设有螺杆15,底座11的底面上设有供螺杆15穿设的通孔,螺杆15伸出底座11的下端部上旋设有螺母16,螺杆15伸出上散热板41的上端部上也旋设有螺母16。螺杆15穿过上散热板41和下散热板42,并且其端部旋设有螺母16,实现上散热板41、下散热板42和壳体1的固定连接,结构简单。In a specific embodiment of the present invention, the upper heat dissipation plate 41 and the lower heat dissipation plate 42 are provided with screw rods 15 , the bottom surface of the base 11 is provided with through holes for the screw rods 15 to pass through, and the screw rods 15 protrude from the lower end of the base 11 . A nut 16 is screwed on the upper part of the upper part, and a nut 16 is also screwed on the upper end of the screw rod 15 extending out of the upper cooling plate 41 . The screw rod 15 passes through the upper radiating plate 41 and the lower radiating plate 42, and the ends thereof are screwed with nuts 16 to realize the fixed connection of the upper radiating plate 41, the lower radiating plate 42 and the casing 1, and the structure is simple.

Claims (5)

1.一种内置旁路软启动器,包括壳体,所述壳体上设有输入引脚、输出引脚,壳体内设有散热组件、电路板以及与所述电路板电连接的电流检测互感器、可控硅和变压器,输入引脚、输出引脚均与可控硅连接,其特征在于,壳体内还设有单向直流接触器,所述的输入引脚和输出引脚分别连接在壳体的两对两侧,所述的电流检测互感器、可控硅和单向直流接触器由输入引脚向输出引脚方向依次设置在壳体内,所述散热组件包括夹设可控硅的上散热板和下散热板,可控硅的输入端与单向直流接触器的输入端电连接,单向直流接触器的输出端与输出引脚电连接。1. A built-in bypass soft starter, comprising a casing, an input pin and an output pin are arranged on the casing, and a heat dissipation assembly, a circuit board and a current detection circuit electrically connected to the circuit board are arranged in the casing The transformer, the thyristor and the transformer, the input pins and the output pins are all connected with the thyristor, and it is characterized in that a one-way DC contactor is also arranged in the shell, and the input pins and the output pins are connected respectively On two pairs of both sides of the housing, the current detection transformer, the thyristor and the one-way DC contactor are sequentially arranged in the housing from the input pin to the output pin. The upper and lower heat dissipation plates of silicon, the input end of the thyristor are electrically connected with the input end of the one-way DC contactor, and the output end of the one-way DC contactor is electrically connected with the output pins. 2.根据权利要求1所述的内置旁路软启动器,其特征在于,所述的输入引脚、可控硅、散热组件、单向直流接触器、输出引脚并排设置有三组,所述的输出引脚设置在对应的单向直流接触器的上方,所述的电流检测互感器并排设有两组且分别套设在两侧的输入引脚上,所述的变压器设有一组且装设于两电流检测互感器之间。2. The built-in bypass soft starter according to claim 1, is characterized in that, described input pin, thyristor, heat dissipation assembly, one-way direct current contactor, output pin are arranged with three groups side by side, the described The output pins are arranged above the corresponding one-way DC contactors, the current detection transformers are provided with two groups side by side and are respectively sleeved on the input pins on both sides, and the transformers are provided with one group and are installed Set between two current detection transformers. 3.根据权利要求1或2所述的内置旁路软启动器,其特征在于,可控硅与单向直流接触器、单向直流接触器与输出引脚均经导电片连接。3. The built-in bypass soft starter according to claim 1 or 2, characterized in that, the thyristor and the one-way DC contactor, and the one-way DC contactor and the output pins are all connected through a conductive sheet. 4.根据权利要求3所述的内置旁路软启动器,其特征在于,所述壳体包括有底座、上盖以及安装壳,所述的上盖装设在底座上,安装壳装设在上盖上,所述输入引脚、输出引脚、电流检测互感器、可控硅、散热组件和单向直流接触器均设置在底座上,变压器装设在上盖上,电路板装设在安装壳内,所述上盖中部开设有用于导通电路板与底座的安装口,所述上盖在安装口外周设有插槽,安装壳边缘处设有可插入插槽的插条,所述插条插设在插槽内实现安装壳与上盖的定位安装,所述安装壳与上盖之间穿设有螺钉。4 . The built-in bypass soft starter according to claim 3 , wherein the casing comprises a base, an upper cover and an installation shell, the upper cover is installed on the base, and the installation shell is installed in 4 . On the upper cover, the input pins, output pins, current detection transformers, thyristors, heat dissipation components and one-way DC contactors are all arranged on the base, the transformer is installed on the upper cover, and the circuit board is installed on the upper cover. In the installation shell, the middle part of the upper cover is provided with an installation opening for conducting the circuit board and the base, the upper cover is provided with a slot on the outer periphery of the installation opening, and the edge of the installation shell is provided with an insert that can be inserted into the slot, so The inserting strip is inserted into the slot to realize the positioning and installation of the installation shell and the upper cover, and a screw is inserted between the installation shell and the upper cover. 5.根据权利要求4所述的内置旁路软启动器,其特征在于,所述上散热板和下散热板上穿设有螺杆,底座的底面上设有供螺杆穿设的通孔,螺杆伸出底座的下端部上旋设有螺母,螺杆伸出上散热板的上端部上也旋设有螺母。5 . The built-in bypass soft starter according to claim 4 , wherein the upper and lower heat dissipation plates are provided with screws, and the bottom surface of the base is provided with through holes for the screws to pass through. A nut is screwed on the lower end extending out of the base, and a nut is also screwed on the upper end of the screw rod extending out of the upper heat sink.
CN201922443840.6U 2019-12-27 2019-12-27 Built-in bypass soft starter Expired - Fee Related CN210867542U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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