CN108448550A - A thermal tripping device of a surge protector and its realization method - Google Patents
A thermal tripping device of a surge protector and its realization method Download PDFInfo
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- CN108448550A CN108448550A CN201810215074.5A CN201810215074A CN108448550A CN 108448550 A CN108448550 A CN 108448550A CN 201810215074 A CN201810215074 A CN 201810215074A CN 108448550 A CN108448550 A CN 108448550A
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- 230000001012 protector Effects 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims description 18
- 238000004804 winding Methods 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 8
- 229910000679 solder Inorganic materials 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 3
- 229910052742 iron Inorganic materials 0.000 claims 1
- 230000002633 protecting effect Effects 0.000 abstract 1
- 230000005389 magnetism Effects 0.000 description 6
- 238000001962 electrophoresis Methods 0.000 description 4
- 231100000817 safety factor Toxicity 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/005—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection avoiding undesired transient conditions
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
- H01H71/20—Electrothermal mechanisms with fusible mass
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Abstract
Description
技术领域technical field
本发明涉及电涌保护器技术领域，尤其涉及一种电涌保护器的热脱扣装置及其实现方法。The invention relates to the technical field of surge protectors, in particular to a thermal tripping device of a surge protector and an implementation method thereof.
背景技术Background technique
电涌保护器又称浪涌保护器，也叫防雷器，是一种为各种电子设备、仪器仪表、通讯线路提供安全防护的电子装置。当电气回路或者通信线路中因为外界的干扰突然产生尖峰电流或者电压时，浪涌保护器能在极短的时间内导通分流，从而避免浪涌对回路中其他设备的损害，浪涌保护器，适用于交流50/60HZ，额定电压220V至380V的供电系统中，对间接雷电和直接雷电影响或其他瞬时过压的电涌进行保护，适用于家庭住宅、第三产业以及工业领域电涌保护的要求。浪涌也叫突波，顾名思义就是超出正常工作电压的瞬间过电压。本质上讲，浪涌是发生在仅仅几百万分之一秒时间内的一种剧烈脉冲，可能引起浪涌的原因有：重型设备、短路、电源切换或大型发动机。而含有浪涌阻绝装置的产品可以有效地吸收突发的巨大能量，以保护连接设备免于受损，目前，限压型电涌保护器一般都采用压敏电阻作为保护元件。当压敏电阻经受多次大电流冲击后，性能会开始劣化，漏电流逐渐加大。持续存在并逐渐加大的漏电流会使压敏电阻发热，严重时可能会导致压敏电阻爆炸、起火。Surge protector, also known as surge protector or lightning protector, is an electronic device that provides safety protection for various electronic equipment, instruments, and communication lines. When a peak current or voltage suddenly occurs in the electrical circuit or communication line due to external interference, the surge protector can conduct the shunt in a very short time, thereby avoiding the damage of the surge to other equipment in the circuit. The surge protector , suitable for AC 50/60HZ, rated voltage 220V to 380V power supply system, to protect against indirect lightning and direct lightning effects or other transient overvoltage surges, suitable for family residences, tertiary industries and industrial surge protection requirements. Surge is also called surge, as the name implies, it is an instantaneous overvoltage exceeding the normal working voltage. Essentially, a surge is a violent pulse that occurs in mere millionths of a second and can be caused by: heavy equipment, short circuits, power switching, or large motors. Products containing surge blocking devices can effectively absorb sudden huge energy to protect connected equipment from damage. At present, voltage-limiting surge protectors generally use varistors as protection components. When the varistor is subjected to multiple high-current shocks, its performance will begin to deteriorate, and the leakage current will gradually increase. The continuous and gradually increasing leakage current will cause the varistor to heat up, and in severe cases, it may cause the varistor to explode and catch fire.
现有的电涌保护器大多只通过就一个简单的低熔点焊锡材料来实现快速的将高电流高电压导出去，比如申请号为201220497266.8的专利提出了一种用于电涌保护器的热脱扣装置，且通过简单的低熔点焊锡材料和弹簧来实现电涌保护，局限性大，只通过一个低熔点焊锡材料和弹簧来实现电涌保护，在其中一种出现故障时，无法实现电涌保护，其安全系数较低，现有的电涌保护器大多结构简单、局限性大，安全系数低，不能通过多个方式实现电涌保护，人们一直渴望解决这个问题，但一直没有找到有效的解决方式，为此我们提出一种电涌保护器的热脱扣装置及其实现方法。Most of the existing surge protectors only use a simple low-melting point solder material to quickly export high current and high voltage. The buckle device, and the surge protection is realized by a simple low-melting point solder material and spring, which has great limitations. Only one low-melting point solder material and a spring are used to achieve surge protection. When one of them fails, the surge cannot be realized. Protection, its safety factor is low, most of the existing surge protectors have simple structure, large limitations, low safety factor, and cannot realize surge protection through multiple methods. People have been eager to solve this problem, but have not found an effective For this purpose, we propose a thermal tripping device of a surge protector and its implementation method.
发明内容Contents of the invention
本发明提出的一种电涌保护器的热脱扣装置及其实现方法，解决了现有的电涌保护器大多结构简单、局限性大，安全系数低，在其中一种出现故障时，无法实现电涌保护，不能通过多个方式实现电涌保护的问题。The invention proposes a thermal tripping device of a surge protector and its implementation method, which solves the problem that most of the existing surge protectors have simple structures, large limitations, and low safety factors. When one of the surge protectors fails, it cannot To achieve surge protection, the problem of not being able to achieve surge protection in multiple ways.
为了实现上述目的，本发明采用了如下技术方案：In order to achieve the above object, the present invention adopts the following technical solutions:
一种电涌保护器的热脱扣装置及其实现方法，包括第一固定框架和第二固定框架，所述第一固定框架的内部安装有第二固定框架和固定柱，第二固定框架的一侧设有固定柱，固定柱上焊接有夹持框架，夹持框架的内部安装有压敏电阻，压敏电阻的两侧侧壁上均设有中间连接片，一个中间连接片延伸至第二固定框架的内部，压敏电阻的底端侧壁上设有两个引脚，压敏电阻远离第二固定框架的一侧安装有支撑板，支撑板固定在第一固定框架的一侧内壁上，支撑板的顶端安装有第一衔铁，第一衔铁的外部缠绕有第一线圈绕组，第一线圈绕组的两端分别连接有一个中间连接片和一个引脚，所述第一衔铁的顶端通过低熔点焊锡材料焊接有活动块，活动块的一侧侧壁上安装有第一活动导电块，第一活动导电块的一端通过导线连接有中间连接片，第一活动导电块和第一衔铁之间设有第一弹簧，第一弹簧套接在活动块上，活动块的一端连接有第一导向柱，所述第一固定框架的内部安装有安装架，安装架位于第二固定框架和固定柱的一侧，安装架上通过支架连接有固定导电块，固定导电块位于第一导向柱的一侧，且固定导电块与第一活动导电块活动位置相对应，第一导向柱的一端穿过安装架和第一固定框架延伸至第一固定框架的外部，所述第二固定框架的一侧内壁上安装有第二衔铁，第二衔铁上缠绕有第二线圈绕组，第二线圈绕组的两端分别连接有另一个中间连接片和另一个引脚，所述第二固定框架上螺纹连接有螺纹柱，螺纹柱位于第二衔铁的一侧，螺纹柱的一端转动连接有安装板，安装板滑动连接在第二固定框架的内部，所述安装板上滑动连接有第二导向柱，第二导向柱的一端穿过第二固定框架、安装架和第一固定框架延伸至第一固定框架的外部，第二导向柱的另一端连接有连接块，连接块靠近第二衔铁的一侧侧壁上嵌入有磁铁块，连接块靠近压敏电阻的通过连接件连接有第二活动导电块，所述连接块上安装有限位块，限位块位于安装板远离连接块的一侧，限位块和安装板之间连接有第二弹簧，第二弹簧套接在第二导向柱上，所述固定导电块和第二活动导电块上均连接有接地线，接地线的一端延伸至第一固定框架的外部。A thermal tripping device of a surge protector and its implementation method, comprising a first fixed frame and a second fixed frame, the second fixed frame and a fixed column are installed inside the first fixed frame, the second fixed frame There is a fixed column on one side, and a clamping frame is welded on the fixed column, and a piezoresistor is installed inside the clamping frame, and intermediate connecting pieces are arranged on both side walls of the piezoresistor, and one intermediate connecting piece extends to the second Inside the second fixed frame, two pins are provided on the bottom side wall of the varistor, and a support plate is installed on the side of the varistor away from the second fixed frame, and the support plate is fixed on the inner wall of one side of the first fixed frame On the top of the supporting plate, a first armature is installed, and the outside of the first armature is wound with a first coil winding. The two ends of the first coil winding are respectively connected with an intermediate connecting piece and a pin. The top of the first armature The movable block is welded by low-melting point solder material, the first movable conductive block is installed on one side wall of the movable block, and one end of the first movable conductive block is connected with the intermediate connecting piece through a wire, the first movable conductive block and the first armature A first spring is arranged between them, and the first spring is sleeved on the movable block, and one end of the movable block is connected with a first guide column, and a mounting frame is installed inside the first fixed frame, and the mounting frame is located between the second fixed frame and the One side of the fixed column, the mounting frame is connected with a fixed conductive block through a bracket, the fixed conductive block is located on one side of the first guide column, and the fixed conductive block corresponds to the active position of the first movable conductive block, and one end of the first guide column Extending to the outside of the first fixed frame through the installation frame and the first fixed frame, a second armature is installed on one side of the inner wall of the second fixed frame, a second coil winding is wound on the second armature, and the second coil winding The two ends of the two ends are respectively connected with another intermediate connecting piece and another pin, the second fixed frame is threaded with a threaded post, the threaded post is located on one side of the second armature, and one end of the threaded post is rotatably connected with a mounting plate, The mounting plate is slidably connected to the inside of the second fixed frame, and the second guide post is slidably connected to the mounting plate, and one end of the second guide post extends to the first fixed frame through the second fixed frame, the mounting bracket and the first fixed frame. On the outside of the frame, the other end of the second guide column is connected with a connecting block, a magnet block is embedded on the side wall of the connecting block close to the second armature, and the connecting block close to the piezoresistor is connected with a second movable conductive block through a connecting piece , a limiting block is installed on the connecting block, the limiting block is located on the side of the mounting plate away from the connecting block, a second spring is connected between the limiting block and the mounting plate, and the second spring is sleeved on the second guide column, Grounding wires are connected to the fixed conductive block and the second movable conductive block, and one end of the grounding wire extends to the outside of the first fixed frame.
优选的，所述第一导向柱和第二导向柱上均安装有活动挤压块，活动挤压块位于安装架的一侧，安装架上开有固定槽，固定槽内安装有压力传感器。Preferably, a movable extruding block is installed on the first guide column and the second guide column, and the movable extruding block is located on one side of the mounting frame, and a fixing groove is opened on the mounting frame, and a pressure sensor is installed in the fixing groove.
优选的，所述第二线圈绕组与引脚的连接线上有电流传感器和电压传感器，电流传感器和电压传感器固定在第一固定框架的内壁上。Preferably, there are current sensors and voltage sensors on the connecting wires between the second coil winding and the pins, and the current sensors and voltage sensors are fixed on the inner wall of the first fixing frame.
优选的，所述夹持框架的竖切面为U形，夹持框架的四周侧壁上均螺纹连接有螺钉，压敏电阻通过螺钉夹持固定在夹持框架的内部，夹持框架上活动安装有温度传感器，温度传感器的触头穿过夹持框架的侧壁与压敏电阻相接触，且在夹持框架的内部焊接有导热棒，导热棒的两端分别与温度传感器的触头和一个中间连接片接触。Preferably, the vertical section of the clamping frame is U-shaped, and screws are threaded on the side walls of the clamping frame, and the piezoresistor is clamped and fixed inside the clamping frame by screws, and is movably installed on the clamping frame. There is a temperature sensor, the contact of the temperature sensor passes through the side wall of the clamping frame to contact the piezoresistor, and a heat conducting rod is welded inside the clamping frame, and the two ends of the heat conducting rod are respectively connected with the contact of the temperature sensor and a The intermediate link contacts.
优选的，所述第一固定框架的外侧壁上安装有报警器，安装架上安装有控制器，控制器的一端延伸至第一固定框架的外部，控制器的输入端连接有温度传感器、电流传感器、电压传感器、电源和压力传感器，控制器的输出端连接有报警器。Preferably, an alarm is installed on the outer wall of the first fixed frame, a controller is installed on the mounting frame, one end of the controller extends to the outside of the first fixed frame, and the input end of the controller is connected with a temperature sensor, a current sensor, voltage sensor, power supply and pressure sensor, and an alarm is connected to the output end of the controller.
优选的，所述螺纹柱的一端延伸至第一固定框架的外部连接有转动手柄。Preferably, one end of the threaded post extends to the outside of the first fixed frame and is connected with a rotating handle.
优选的，所述第二固定框架的一侧内壁延其长度方向开有两个滑槽，安装板的一端连接有两个滑块，滑块滑动连接在滑槽内，且滑块和滑槽的切面均为T形。Preferably, the inner wall of one side of the second fixed frame is provided with two slide grooves along its length direction, and one end of the mounting plate is connected with two slide blocks, the slide blocks are slidably connected in the slide grooves, and the slide blocks and the slide grooves The sections are all T-shaped.
优选的，所述连接块上连接有两个限位柱，限位柱滑动连接在安装板上。Preferably, two limiting posts are connected to the connecting block, and the limiting posts are slidably connected to the mounting plate.
与现有技术相比，本发明的有益效果是：Compared with prior art, the beneficial effect of the present invention is:
1、本发明中通过压敏电阻、引脚、第一衔铁、第一线圈绕组、第一弹簧、活动块和第一活动导电块的设置，能够在电压电流突然升高时，第一线圈绕组带动衔铁温度升高使得低熔点焊锡材料融化，使得电泳保护器接地，实现电泳保护，减少电路损坏或对电路元器件的损坏；1. In the present invention, through the setting of the varistor, the pin, the first armature, the first coil winding, the first spring, the movable block and the first movable conductive block, when the voltage and current suddenly rise, the first coil winding Drive the temperature of the armature to rise to melt the low melting point solder material, ground the electrophoresis protector, realize electrophoresis protection, and reduce circuit damage or damage to circuit components;
2、通过第二固定框架、螺纹柱、磁铁块、连接块、安装板、第二弹簧、第二导向柱、限位块、第二活动导电块、第二衔铁、第二线圈绕组的设置，能够在电压电流突然升高时，第二线圈绕组带动衔铁产生很大的磁性，带动衔铁和磁铁块的斥力大于第二弹簧的拉力，使得电泳保护器接地，实现电泳保护，减少电路损坏或对电路元器件的损坏。2. Through the setting of the second fixed frame, threaded column, magnet block, connecting block, mounting plate, second spring, second guide post, limit block, second movable conductive block, second armature, and second coil winding, When the voltage and current suddenly rise, the second coil winding drives the armature to generate great magnetism, and the repulsion of the armature and the magnet block is greater than the pulling force of the second spring, so that the electrophoretic protector is grounded, realizing electrophoretic protection, and reducing circuit damage or damage Damage to circuit components.
3、本发明通过压力传感器、温度传感器的设置，能够进一步起到电泳保护的作用，减少电路损坏或对电路元器件的损坏，本发明能够通过多种方式实现电涌保护，保护效果好，安全系数高。3. Through the setting of pressure sensor and temperature sensor, the present invention can further play the role of electrophoresis protection, reduce circuit damage or damage to circuit components, and the present invention can realize surge protection in various ways, with good protection effect and safe The coefficient is high.
附图说明Description of drawings
图1为本发明提出的一种电涌保护器的热脱扣装置及其实现方法的结构示意图；Fig. 1 is a structural schematic diagram of a thermal tripping device of a surge protector proposed by the present invention and its implementation method;
图2为本发明提出的一种电涌保护器的热脱扣装置及其实现方法的A部结构示意图。Fig. 2 is a structural schematic diagram of part A of a thermal tripping device of a surge protector proposed by the present invention and its implementation method.
图中：1第一固定框架、2固定柱、3引脚、4第一衔铁、5第一线圈绕组、6第一弹簧、7活动块、8第一活动导电块、9固定导电块、10第一导向柱、11活动挤压块、12安装架、13压力传感器、14接地线、15中间连接片、16温度传感器、17控制器、18压敏电阻、19夹持框架、20第二固定框架、21螺纹柱、22磁铁块、23连接块、24安装板、25第二弹簧、26第二导向柱、27限位块、28第二活动导电块、29第二衔铁、30第二线圈绕组。In the figure: 1 first fixed frame, 2 fixed column, 3 pins, 4 first armature, 5 first coil winding, 6 first spring, 7 movable block, 8 first movable conductive block, 9 fixed conductive block, 10 The first guide column, 11 movable extrusion block, 12 mounting frame, 13 pressure sensor, 14 grounding wire, 15 intermediate connecting piece, 16 temperature sensor, 17 controller, 18 piezoresistor, 19 clamping frame, 20 second fixing Frame, 21 threaded column, 22 magnet block, 23 connecting block, 24 mounting plate, 25 second spring, 26 second guide column, 27 limit block, 28 second movable conductive block, 29 second armature, 30 second coil winding.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明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一部分实施例，而不是全部的实施例。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
参照图1-2，一种电涌保护器的热脱扣装置及其实现方法，包括第一固定框架1和第二固定框架20，第一固定框架1的内部安装有第二固定框架20和固定柱2，第二固定框架20的一侧设有固定柱2，固定柱2上焊接有夹持框架19，夹持框架19的内部安装有压敏电阻18，压敏电阻18的两侧侧壁上均设有中间连接片15，一个中间连接片15延伸至第二固定框架20的内部，压敏电阻18的底端侧壁上设有两个引脚3，压敏电阻18远离第二固定框架20的一侧安装有支撑板，支撑板固定在第一固定框架1的一侧内壁上，支撑板的顶端安装有第一衔铁4，第一衔铁4的外部缠绕有第一线圈绕组5，第一线圈绕组5的两端分别连接有一个中间连接片15和一个引脚3，所述第一衔铁4的顶端通过低熔点焊锡材料焊接有活动块7，活动块7的一侧侧壁上安装有第一活动导电块8，第一活动导电块8的一端通过导线连接有中间连接片15，第一活动导电块8和第一衔铁4之间设有第一弹簧6，第一弹簧6套接在活动块7上，活动块7的一端连接有第一导向柱10，所述第一固定框架1的内部安装有安装架12，安装架12位于第二固定框架20和固定柱2的一侧，安装架12上通过支架连接有固定导电块9，固定导电块9位于第一导向柱10的一侧，且固定导电块9与第一活动导电块8活动位置相对应，第一导向柱10的一端穿过安装架12和第一固定框架1延伸至第一固定框架1的外部，所述第二固定框架20的一侧内壁上安装有第二衔铁29，第二衔铁29上缠绕有第二线圈绕组30，第二线圈绕组30的两端分别连接有另一个中间连接片15和另一个引脚3，所述第二固定框架20上螺纹连接有螺纹柱21，螺纹柱21位于第二衔铁29的一侧，螺纹柱21的一端转动连接有安装板24，安装板24滑动连接在第二固定框架20的内部，所述安装板24上滑动连接有第二导向柱26，第二导向柱26的一端穿过第二固定框架20、安装架12和第一固定框架1延伸至第一固定框架1的外部，第二导向柱26的另一端连接有连接块23，连接块23靠近第二衔铁29的一侧侧壁上嵌入有磁铁块22，连接块23靠近压敏电阻18的通过连接件连接有第二活动导电块28，所述连接块23上安装有限位块27，限位块27位于安装板24远离连接块23的一侧，限位块27和安装板24之间连接有第二弹簧25，第二弹簧25套接在第二导向柱26上，所述固定导电块9和第二活动导电块28上均连接有接地线14，接地线14的一端延伸至第一固定框架1的外部。Referring to Figures 1-2, a thermal tripping device for a surge protector and its implementation method include a first fixing frame 1 and a second fixing frame 20, and the second fixing frame 20 and the second fixing frame 1 are installed inside the first fixing frame 1. Fixed column 2, one side of the second fixed frame 20 is provided with fixed column 2, is welded with clamping frame 19 on the fixed column 2, and the inside of clamping frame 19 is equipped with piezoresistor 18, the two sides of piezoresistor 18 The walls are provided with intermediate connecting pieces 15, one intermediate connecting piece 15 extends to the inside of the second fixed frame 20, two pins 3 are arranged on the bottom side wall of the piezoresistor 18, and the piezoresistor 18 is far away from the second One side of the fixed frame 20 is equipped with a support plate, the support plate is fixed on the inner wall of one side of the first fixed frame 1, the top of the support plate is equipped with a first armature 4, and the outside of the first armature 4 is wound with a first coil winding 5 The two ends of the first coil winding 5 are respectively connected with an intermediate connecting piece 15 and a pin 3, and the top of the first armature 4 is welded with a movable block 7 by a low melting point solder material, and one side wall of the movable block 7 The first movable conductive block 8 is installed on the top, and one end of the first movable conductive block 8 is connected with an intermediate connecting piece 15 by a wire, and a first spring 6 is arranged between the first movable conductive block 8 and the first armature 4, and the first spring 6 is socketed on the movable block 7, and one end of the movable block 7 is connected with a first guide column 10, and a mounting frame 12 is installed inside the first fixed frame 1, and the mounting frame 12 is located between the second fixed frame 20 and the fixed column 2 One side of the mounting frame 12 is connected with a fixed conductive block 9 through a bracket, the fixed conductive block 9 is located on one side of the first guide column 10, and the fixed conductive block 9 corresponds to the movable position of the first movable conductive block 8, the first movable conductive block 9 One end of the guide column 10 extends to the outside of the first fixed frame 1 through the mounting frame 12 and the first fixed frame 1, and a second armature 29 is installed on the inner wall of one side of the second fixed frame 20, and on the second armature 29 A second coil winding 30 is wound, and the two ends of the second coil winding 30 are respectively connected with another intermediate connecting piece 15 and another pin 3. The second fixed frame 20 is threaded with a threaded post 21, and the threaded post 21 Located on one side of the second armature 29, one end of the threaded column 21 is rotatably connected to a mounting plate 24, the mounting plate 24 is slidably connected to the inside of the second fixed frame 20, and the second guide column 26 is slidably connected to the mounting plate 24, One end of the second guide column 26 extends to the outside of the first fixed frame 1 through the second fixed frame 20, the mounting frame 12 and the first fixed frame 1, and the other end of the second guide column 26 is connected with a connecting block 23, the connecting block 23 is embedded with a magnet block 22 on the side wall close to the second armature 29, and the connecting block 23 is connected with a second movable conductive block 28 through a connecting piece close to the piezoresistor 18, and a limiting block 27 is installed on the connecting block 23 , the limiting block 27 is located on the side of the mounting plate 24 away from the connecting block 23, the second spring 25 is connected between the limiting block 27 and the mounting plate 24, and the second spring 25 is sleeved on the second guide column 26, the Fixed conductive block 9 and the second movable conductive block 28 are all connected with grounding wire 14, connected to One end of the ground wire 14 extends to the outside of the first fixed frame 1 .
第一导向柱10和第二导向柱26上均安装有活动挤压块11，活动挤压块11位于安装架12的一侧，安装架12上开有固定槽，固定槽内安装有压力传感器，第二线圈绕组30与引脚3的连接线上有电流传感器和电压传感器，电流传感器和电压传感器固定在第一固定框架1的内壁上，夹持框架19的竖切面为U形，夹持框架19的四周侧壁上均螺纹连接有螺钉，压敏电阻18通过螺钉夹持固定在夹持框架19的内部，夹持框架19上活动安装有温度传感器16，温度传感器16的触头穿过夹持框架19的侧壁与压敏电阻18相接触，且在夹持框架19的内部焊接有导热棒，导热棒的两端分别与温度传感器16的触头和一个中间连接片15接触，第一固定框架1的外侧壁上安装有报警器，安装架12上安装有控制器17，控制器17的一端延伸至第一固定框架1的外部，控制器的输入端连接有温度传感器16、电流传感器、电压传感器、电源和压力传感器，控制器的输出端连接有报警器，螺纹柱21的一端延伸至第一固定框架1的外部连接有转动手柄，第二固定框架20的一侧内壁延其长度方向开有两个滑槽，安装板24的一端连接有两个滑块，滑块滑动连接在滑槽内，且滑块和滑槽的切面均为T形，连接块23上连接有两个限位柱，限位柱滑动连接在安装板24上。Both the first guide post 10 and the second guide post 26 are equipped with a movable extruding block 11, the movable extruding block 11 is located on one side of the mounting frame 12, and the mounting frame 12 has a fixing groove, and a pressure sensor is installed in the fixing groove , there are current sensors and voltage sensors on the connection line between the second coil winding 30 and the pin 3, the current sensors and the voltage sensors are fixed on the inner wall of the first fixed frame 1, the vertical section of the clamping frame 19 is U-shaped, clamping Screws are screwed on the side walls around the frame 19, and the piezoresistor 18 is clamped and fixed inside the clamping frame 19 by screws. A temperature sensor 16 is movably installed on the clamping frame 19, and the contacts of the temperature sensor 16 pass through The side wall of the clamping frame 19 is in contact with the piezoresistor 18, and a heat conduction rod is welded inside the clamping frame 19, and the two ends of the heat conduction rod are in contact with the contact of the temperature sensor 16 and an intermediate connecting piece 15 respectively. An alarm is installed on the outer wall of a fixed frame 1, and a controller 17 is installed on the mounting frame 12, and one end of the controller 17 extends to the outside of the first fixed frame 1, and the input end of the controller is connected with a temperature sensor 16, a current Sensor, voltage sensor, power supply and pressure sensor, the output end of controller is connected with alarm, and one end of threaded column 21 extends to the outside of first fixed frame 1 and is connected with rotating handle, and the inner wall of one side of second fixed frame 20 extends its There are two chutes in the length direction, and one end of the mounting plate 24 is connected with two slide blocks, the slide blocks are slidably connected in the chute, and the cut surfaces of the slide block and the chute are T-shaped, and the connecting block 23 is connected with two A limit post, the limit post is slidably connected on the mounting plate 24.
实时例：在使用时，在出现电泳时，电流或电压会突然增高，压敏电阻18其连接的中间连接片温度升高，通过导热硅胶和导电棒传递给温度传感器16，温度传感器16将信号传递给控制器17，控制器17控制报警器报警；Real-time example: when in use, when electrophoresis occurs, the current or voltage will suddenly increase, and the temperature of the intermediate connecting piece connected to the piezoresistor 18 will rise, and it will be transmitted to the temperature sensor 16 through the heat-conducting silica gel and the conductive rod, and the temperature sensor 16 will transmit the signal Delivered to controller 17, controller 17 controls alarm to report to the police;
同时电流或电压突然增高时会带动第一线圈绕组5上的电流或电压突然增高，第一线圈绕组5带动第一衔铁4产生很高的热量，热量使得第一衔铁4与活动块7之间连接的低熔点焊锡材料融化，使得第一衔铁4与活动块7断开，第一活动导电块8和活动块7在第一弹簧6的带动下向一侧运动，带动第一导向柱10运动，在运动时第一活动导电块8与固定导电块9接触导电，使得电泳保护器接地放电，实现电泳保护，减少电路损坏或对电路元器件的损坏，同时第一导向柱10带动活动挤压块11挤压安装架12内的压力传感器13，压力传感器13感受到压力将信号传递给控制器17，控制器17控制报警器报警；At the same time, when the current or voltage suddenly increases, it will drive the current or voltage on the first coil winding 5 to increase suddenly. The first coil winding 5 drives the first armature 4 to generate high heat, and the heat makes the gap between the first armature 4 and the movable block 7 The connected low-melting point solder material melts, so that the first armature 4 is disconnected from the movable block 7, and the first movable conductive block 8 and the movable block 7 move to one side under the drive of the first spring 6, driving the first guide column 10 to move When moving, the first movable conductive block 8 is in contact with the fixed conductive block 9 to conduct electricity, so that the electrophoretic protector is grounded and discharged, realizing electrophoretic protection, reducing circuit damage or damage to circuit components, and at the same time, the first guide column 10 drives the movable extrusion Block 11 squeezes the pressure sensor 13 in the installation frame 12, and the pressure sensor 13 feels the pressure and transmits the signal to the controller 17, and the controller 17 controls the alarm to report to the police;
第二线圈绕组30通过导线与压敏电阻18上的中间连接片15和引脚3连接形成回路，第二线圈绕组30通电，第二线圈绕组30带动第二衔铁29产生磁性，第二衔铁29产生的磁性与磁铁块22的磁性相斥，磁铁块22通过第二导向柱26和限位块27带动第二弹簧25拉伸，在电流或电压突然增高时带动第二线圈绕组30上电流或电压突然增高，第二线圈绕组30带动第二衔铁29上的磁性增大，第二衔铁29产生的磁性增大，第二衔铁29与磁铁块22的磁性相斥力增大，带动第二导向柱26、连接块23和第二活动导电块28向一侧运动，第二活动导电块28与中间连接片15接触导电，使得电泳保护器接地放电，实现电泳保护，减少电路损坏或对电路元器件的损坏，同时第二导向柱26带动活动挤压块11挤压安装架12内的压力传感器13，压力传感器13感受到压力将信号传递给控制器17，控制器17控制报警器报警，本发明能够通过多种方式实现电涌保护，保护效果好，安全系数高。The second coil winding 30 is connected to the intermediate connecting piece 15 and the pin 3 on the piezoresistor 18 to form a loop through a wire, the second coil winding 30 is energized, and the second coil winding 30 drives the second armature 29 to generate magnetism, and the second armature 29 The generated magnetism repels the magnetism of the magnet block 22, and the magnet block 22 drives the second spring 25 to stretch through the second guide post 26 and the limit block 27, and drives the second coil winding 30 to carry current or current when the current or voltage suddenly increases. When the voltage suddenly increases, the second coil winding 30 drives the magnetism on the second armature 29 to increase, the magnetism generated by the second armature 29 increases, and the magnetic repulsion between the second armature 29 and the magnet block 22 increases, driving the second guide column 26. The connection block 23 and the second movable conductive block 28 move to one side, and the second movable conductive block 28 contacts with the intermediate connecting piece 15 to conduct electricity, so that the electrophoretic protector is grounded and discharged, realizing electrophoretic protection, reducing circuit damage or damage to circuit components damage, the second guide post 26 drives the movable extrusion block 11 to squeeze the pressure sensor 13 in the installation frame 12, the pressure sensor 13 feels the pressure and transmits the signal to the controller 17, and the controller 17 controls the alarm to alarm, the present invention The surge protection can be realized in various ways, the protection effect is good, and the safety factor is high.
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.
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| CN116313671B (en) * | 2023-05-19 | 2023-07-25 | 国网山东省电力公司乐陵市供电公司 | Emergency cut-off protection device for electric power engineering |
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