WO2021017340A1 - Coupler having overheat protection function - Google Patents

Coupler having overheat protection function Download PDF

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Publication number
WO2021017340A1
WO2021017340A1 PCT/CN2019/121038 CN2019121038W WO2021017340A1 WO 2021017340 A1 WO2021017340 A1 WO 2021017340A1 CN 2019121038 W CN2019121038 W CN 2019121038W WO 2021017340 A1 WO2021017340 A1 WO 2021017340A1
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WO
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Prior art keywords
temperature
temperature sensing
contact piece
particles
coupler
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PCT/CN2019/121038
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French (fr)
Chinese (zh)
Inventor
黄普添
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广东汇莱德温控器有限公司
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Publication of WO2021017340A1 publication Critical patent/WO2021017340A1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
    • H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material

Definitions

  • the utility model relates to the technical field of couplers for household appliances, in particular to a coupler with overheating protection function.
  • the current coupler structure generally includes an upper coupler and a lower coupler.
  • the upper coupler includes a base and a base.
  • the body is provided with a conductive circuit for input power, and a touch switch is provided on the conductive circuit.
  • the touch switch includes a moving contact piece and a static contact piece.
  • the purpose of the utility model is to overcome the shortcomings of the above-mentioned prior art, and provide a coupler with simple and reasonable structure, not easy to be damaged or broken, and capable of detecting overheating of the surface of the object to be tested and protection against power failure.
  • the coupler with overheat protection function includes a base body provided with a conductive circuit, and a touch switch is provided on the conductive circuit.
  • the touch switch includes a movable contact piece and a static contact piece, and is characterized by , It also includes an overheating protection device, the overheating protection device is fixed on the base, the overheating protection device includes a temperature sensor, temperature sensing particles and a push rod, the upper coupler is provided with a placement cavity, the temperature sensor It is fixed on the installation cavity and extends out of the surface of the seat body.
  • the temperature-sensitive particles are arranged in the installation cavity and resist the temperature sensing element.
  • the placement cavity penetrates the top and bottom of the base, the temperature sensing element is fixed on the upper opening of the placement cavity as a top cover, and the temperature sensing particles are embedded in the upper portion of the placement cavity and closely adhere to the inner bottom wall of the temperature sensing element ,
  • One end of the push rod extends upwards into the placement cavity and presses the temperature-sensitive particles, and the other end extends downwards out of the lower opening of the placement cavity and presses down the movable contact piece, so that the movable contact piece and the static contact piece resist and conduct;
  • the temperature-sensing particles can be close to the bottom wall of the temperature-sensing, which facilitates the direct transfer of heat to the temperature-sensing particles, so that the overheat protection is more accurate.
  • the temperature sensing element is a cap-shaped top cover body, the lower part of the cap-shaped top cover body is placed in the placement cavity, and the upper part thereof protrudes from the upper opening of the placement cavity and protrudes from the cap shape of the upper opening of the placement cavity.
  • the temperature-sensitive particles are arranged in the top cover, and the lower section of the temperature-sensitive particles passes through the upper opening of the installation cavity and extends into the installation cavity, which is easy to implement.
  • the temperature sensing element is a cap-shaped top cover body
  • the push rod supports the cap-shaped top cover body by supporting the temperature sensing particles
  • the push rod supports the temperature sensing particles and the temperature sensing element upwards, so that the temperature sensing particles Displacement is more likely to occur when deformed by heat, and the overheat protection action is more sensitive
  • the placement cavity includes a narrow cavity lower section and a wide cavity upper section
  • the push rod supports the temperature sensing element between the wide cavity upper section and the upper opening of the placement cavity through temperature sensing particles, and the temperature sensing element
  • the top end extends upwards out of the upper opening of the placement cavity; the arrangement of the upper section of the wide cavity facilitates the installation and movement of the temperature sensor, and the upper opening can prevent the temperature sensor from coming out.
  • the temperature-sensitive particles are hard particles that become powder, liquid or gas after the heated temperature reaches a set value.
  • the bottom of the seat body is respectively provided with a moving contact piece and a static contact piece according to high and low positions, and the moving contact piece and the static contact piece are respectively provided with a moving contact and a static contact that touch and energize each other,
  • the moving contact piece stands up when it is at rest, and the push rod presses the moving contact piece downwards so that the moving contact moves downwards to resist and energize the static contact.
  • the conductive circuit of the base body includes a ring-shaped metal conductive sheet and a center conductor, and the movable contact sheet and the static contact sheet of the touch switch are connected in series between the ring-shaped metal conductive sheet and the center conductor.
  • the temperature-sensitive particles can be close to the bottom wall of the temperature-sensing, which facilitates the direct transfer of heat to the temperature-sensitive particles, so that the overheat protection is more accurate.
  • the push rod supports the temperature-sensitive particles and the temperature-sensing parts upwards, so that when the temperature-sensitive particles are deformed by heat, they are more likely to be displaced, and the overheat protection action is more sensitive.
  • Figure 1 is a cross-sectional view of the coupler with overheating protection function of the present invention.
  • Figure 2 is a schematic diagram of the coupler of the present invention after the overheat protection device is removed.
  • Fig. 3 is a perspective view of the coupler with overheat protection function of the present invention.
  • a coupler with overheating protection function As shown in Figures 1 to 3, a coupler with overheating protection function.
  • the above coupler in this embodiment is taken as an example. It includes a base 1 on which a conductive circuit 31 is provided. There is a touch switch 4, the touch switch 4 includes a movable contact piece 41 and a static contact piece 42, and is characterized in that it also includes an overheating protection device 5, the overheating protection device 5 is fixed on the base 1, the overheating protection
  • the device 5 includes a temperature sensing element 6, temperature sensing particles 7 and a push rod 8.
  • the base 1 is provided with a placement cavity 9, and the temperature sensing element 6 is fixed on the placement cavity 9 and extends out of the surface of the base 1.
  • the temperature sensing particles 7 are arranged in the installation cavity 9 and resist the temperature sensing element 6.
  • One end of the push rod 8 resists the temperature sensing particles 7, and the other end extends out of the installation cavity 9 and resists the movable contact piece 41.
  • the placement cavity 9 penetrates the top and bottom of the base 1
  • the temperature sensing element 6 is fixed as a top cover in the upper opening 91 of the placement cavity 9
  • the temperature sensing particles 7 are embedded in the upper portion of the placement cavity 9 and tightly Sticking to the inner bottom wall of the temperature sensing element 6, one end of the push rod 8 extends upwards into the placement cavity 9 and presses the temperature-sensitive particles 7, and the other end extends downwards out of the lower opening of the placement cavity 9 and presses down the contact piece 41,
  • the movable contact piece 41 and the static contact piece 42 resist and conduct.
  • the temperature sensing element 6 is a cap-shaped top cover body, the lower part of the cap-shaped top cover body is placed in the placement cavity 9, and the upper part thereof protrudes from the upper opening 91 of the placement cavity 9 and protrudes from the upper opening 91 of the placement cavity 9
  • the temperature-sensitive particles 7 are arranged in the cap-shaped top cover of the, and the lower section of the temperature-sensitive particles 7 passes through the upper opening 91 of the installation cavity 9 and extends into the installation cavity 9.
  • the temperature sensing element 6 is a cap-shaped top cover, and the push rod 8 supports the cap-shaped top cover by supporting the temperature-sensitive particles 7.
  • the placement cavity 9 includes a narrow cavity lower section 92 and a wide cavity upper section 93.
  • the push rod 8 supports the temperature sensor 6 through the temperature sensing particles 7 between the wide cavity upper section 93 and the upper opening 91 of the placement cavity 9 , And the top end of the temperature sensing element 6 extends upwardly out of the upper opening 91 of the placement cavity 9.
  • the temperature-sensitive particles 7 are hard particles that turn into powder or liquid or gas after the heated temperature reaches a set value; the hard particles may be solid particles of quartz sand, which will become powder when heated (temperature) to a certain extent. It is not in shape; of course, the hard particles can also be ordinary plastic particles. After the heat (temperature) reaches a certain level, some of them will be melted and deformed.
  • the bottom of the base 1 is provided with a moving contact piece 41 and a static contact piece 42 according to the high and low positions, respectively, and the moving contact piece 41 and the static contact piece 42 are respectively provided with moving contact pieces that touch and energize each other.
  • the contact 100 and the static contact 101, the movable contact piece 41 stands up when in a static state, and the push rod 8 presses the movable contact piece 41 downward, so that the moving contact 100 moves downwards and energizes against the moving contact 101 .
  • the conductive circuit 31 of the base 1 includes a ring-shaped metal conductive sheet 12 and a central conductor 13, and the movable contact sheet 41 and the static contact sheet 42 of the touch switch 4 are connected in series between the ring-shaped metal conductive sheet 12 and the central conductor 13 .
  • the utility model Take an electric kettle as an example.
  • the utility model is used as an upper coupler. Its base 1 (upper coupler) and lower coupler are respectively fixed on the kettle body and the kettle base. The kettle body sits on the kettle base, and the base 1 and The lower couplers are plugged into each other for electrical coordination. Since the heating plate of the kettle body is against the temperature sensor 6, the temperature sensor 6 quickly transfers the heat of the heating plate to the temperature sensing particles 7, and when the temperature of the temperature sensing particles 7 reaches The setting value, that is: the temperature of the heating plate is overheated, and the temperature-sensing particles are deformed by heating, such as turning into powder.
  • the push rod 8 loses the pressure of the temperature-sensing particles 7 and will be displaced, thereby resetting the moving contact piece 41 , Separate from the static contact sheet 42, and the touch switch 4 is disconnected, realizing the function of overheating protection of the base 1 (that is, the upper coupler).

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Thermally Actuated Switches (AREA)

Abstract

A coupler having an overheat protection function, comprising a base and further comprising an overheat protection device. The overheat protection device is fixed on the base and comprises a temperature sensing member, temperature sensing particles, and a push rod, the base is provided with a placement cavity, the temperature sensing member is fixed on the placement cavity and extends out of the surface of an upper coupler, the temperature sensing particles are provided in the placement cavity and abut against the temperature sensing member, one end of the push rod abuts against the temperature sensing particles, and the other end of the push rod extends out of the placement cavity and abuts against a movable contact sheet; when sensing heat, the temperature sensing member quickly transfers the heat to the temperature sensing particles, and the temperature sensing particles deform when reaching a set temperature value, so that the movable contact sheet is separated from a fixed contact sheet, a touch switch is disconnected, and thus an overheat protection effect is implemented. The structure is simple and reasonable, and the temperature sensing particles are not easy to be damaged or broken.

Description

带过热保护功能的耦合器Coupler with overheat protection function 技术领域Technical field
本实用新型涉及家电产品用的耦合器技术领域，尤其是一种带过热保护功能的的耦合器。The utility model relates to the technical field of couplers for household appliances, in particular to a coupler with overheating protection function.
背景技术Background technique
现有的耦合式通电(家电)产品，如：电热水壶，会使用到耦合器，然而，目前的耦合器结构，一般包括上耦合器和下耦合器，所述上耦合器包括座体，座体上设置有输入电源的导电电路，所述导电电路上设置有触控开关，所述触控开关包括动触片和静触片，当上耦合器坐于下耦合器，上耦合器通过下耦合器连接外部电源；但是，上耦合器在电流过大或加热温度过高时，不能立即断电保护，造成家电产品损坏，甚至存在一定安全隐患。Existing coupled energized (home appliances) products, such as electric kettles, will use couplers. However, the current coupler structure generally includes an upper coupler and a lower coupler. The upper coupler includes a base and a base. The body is provided with a conductive circuit for input power, and a touch switch is provided on the conductive circuit. The touch switch includes a moving contact piece and a static contact piece. When the upper coupler sits on the lower coupler, the upper coupler passes through the lower coupler. The coupler is connected to an external power source; however, the upper coupler cannot immediately cut off the power when the current is too large or the heating temperature is too high, which will cause damage to the home appliances and even have certain safety risks.
为此，也有部分家电产品，在耦合器上增设熔断丝，将熔断丝与上耦合器的导电电路串联起来，以便当流经的电流过大，产生较高温度时，可使熔断丝熔断，上耦合器断电保护；但是，这种耦合器仍存在以下不足之处：(1)熔断丝直接裸露，容易受损或断裂；(2)熔断丝仅为电流过大时的过热保护，无法直接检测被测物表面温度，如：内胆底壁温度过热时断电保护。For this reason, some household appliances add fuses to the coupler, and connect the fuses in series with the conductive circuit of the upper coupler, so that when the current flowing through is too large and a high temperature is generated, the fuses can be blown. The upper coupler is protected against power failure; however, this type of coupler still has the following shortcomings: (1) The fuse is exposed directly, which is easy to be damaged or broken; (2) The fuse is only for overheating protection when the current is too large. Directly detect the surface temperature of the measured object, such as: power-off protection when the bottom wall temperature of the inner tank is overheated.
实用新型内容Utility model content
本实用新型的目的在于克服上述现有技术存在的不足，而提供一种结构简单、合理，不易受损或断裂，可检测被测物表面温度过热而断电保护的耦合器。The purpose of the utility model is to overcome the shortcomings of the above-mentioned prior art, and provide a coupler with simple and reasonable structure, not easy to be damaged or broken, and capable of detecting overheating of the surface of the object to be tested and protection against power failure.
本实用新型的目的是这样实现的：The purpose of the utility model is achieved as follows:
带过热保护功能的的耦合器，包括座体，所述座体设置有导电电路，所述导电电路上设置有触控开关，所述触控开关包括动触片和静触片，其特征是，还包括有过热保护装置，所述过热保护装置固定在座体，所述过热保护装置包括温度传感件、感温颗粒和推杆，所述上耦合器上设置有安置腔，温度传感件固定在安置腔上、并延伸出座体表面，所述感温颗粒设置在安置腔内、并与温度传感件相抵，所述推杆一端与感温颗粒相抵，另一个端延伸出安置腔、并与动触片相抵；此款耦合器，通过在座体上增设过热保护装置，利用感温颗粒分别与温度传感件和推杆相抵，温度传感件感应到热量(温度)会快速将热量传递给感温颗粒，感温颗粒达到设定温度值会变形(如：转化为粉未或液体)，这时，推杆失去了感温颗粒的下压力，会发生位移，从而使动触片复位、与静触片分离，触控开关断开，实现过热保护的作用，其整个结构简单、合理，而且，感温颗粒被隐藏在安置腔内，避免直接外露，不易损坏或断裂。The coupler with overheat protection function includes a base body provided with a conductive circuit, and a touch switch is provided on the conductive circuit. The touch switch includes a movable contact piece and a static contact piece, and is characterized by , It also includes an overheating protection device, the overheating protection device is fixed on the base, the overheating protection device includes a temperature sensor, temperature sensing particles and a push rod, the upper coupler is provided with a placement cavity, the temperature sensor It is fixed on the installation cavity and extends out of the surface of the seat body. The temperature-sensitive particles are arranged in the installation cavity and resist the temperature sensing element. One end of the push rod resists the temperature-sensing particles, and the other end extends out of the installation cavity , And offset with the moving contact piece; this type of coupler, by adding an overheating protection device on the base, uses the temperature sensing particles to respectively offset the temperature sensor and the push rod, the temperature sensor will quickly reduce the heat (temperature) The heat is transferred to the temperature-sensing particles, and the temperature-sensing particles will be deformed (for example, into powder or liquid) when they reach the set temperature. At this time, the push rod loses the downward pressure of the temperature-sensing particles and will shift, thus causing the moving touch The chip is reset, separated from the static contact chip, and the touch switch is disconnected to realize the function of overheating protection. The whole structure is simple and reasonable. Moreover, the temperature-sensitive particles are hidden in the placement cavity to avoid direct exposure and are not easily damaged or broken.
本实用新型的目的还可以采用以下技术措施解决：The purpose of the utility model can also be solved by the following technical measures:
进一步地，所述安置腔贯穿底座的顶部和底部，温度传感件作为顶盖固定在安置腔的上部开口，感温颗粒嵌装入安置腔的上部并紧贴温度传感件的内底壁，推杆一端向上延伸入安置腔内并顶压感温颗粒，另一端向下伸延出安置腔的下部开口并下压动触片，以使动触片与静触片相抵导通；这样，感温颗粒既可以因紧贴温度传感底壁，有利于热量直接传送给感温颗粒，使其过热保护更精确。Further, the placement cavity penetrates the top and bottom of the base, the temperature sensing element is fixed on the upper opening of the placement cavity as a top cover, and the temperature sensing particles are embedded in the upper portion of the placement cavity and closely adhere to the inner bottom wall of the temperature sensing element , One end of the push rod extends upwards into the placement cavity and presses the temperature-sensitive particles, and the other end extends downwards out of the lower opening of the placement cavity and presses down the movable contact piece, so that the movable contact piece and the static contact piece resist and conduct; The temperature-sensing particles can be close to the bottom wall of the temperature-sensing, which facilitates the direct transfer of heat to the temperature-sensing particles, so that the overheat protection is more accurate.
进一步地，所述温度传感件为帽状顶盖体，帽状顶盖体的下部置于安置腔内，其上部凸出安置腔的上部开口，凸出所述安置腔上部开口的帽状顶盖体内设置有所述感温颗粒，所述感温颗粒的下段穿过安置腔的上部开口、并伸延入安置腔内，其实施容易。Further, the temperature sensing element is a cap-shaped top cover body, the lower part of the cap-shaped top cover body is placed in the placement cavity, and the upper part thereof protrudes from the upper opening of the placement cavity and protrudes from the cap shape of the upper opening of the placement cavity. The temperature-sensitive particles are arranged in the top cover, and the lower section of the temperature-sensitive particles passes through the upper opening of the installation cavity and extends into the installation cavity, which is easy to implement.
进一步地，所述温度传感件为帽状顶盖体，推杆通过支撑感温颗粒将帽状顶盖体撑起，推杆向上顶住感温颗粒和温度传感件，使感温颗粒受热变形时，更容易发生位移，过热保护动作更灵敏Further, the temperature sensing element is a cap-shaped top cover body, the push rod supports the cap-shaped top cover body by supporting the temperature sensing particles, and the push rod supports the temperature sensing particles and the temperature sensing element upwards, so that the temperature sensing particles Displacement is more likely to occur when deformed by heat, and the overheat protection action is more sensitive
进一步地，所述安置腔包括窄腔下段和宽腔上段，所述推杆通过感温颗粒将温度传感件支撑在所述宽腔上段和安置腔的上部开口之间，且温度传感件的顶端向上延伸出安置腔的上部开口；宽腔上段的设置，有利于温度传感件的安装和活动，上部开口可防止温度传感件脱出。Further, the placement cavity includes a narrow cavity lower section and a wide cavity upper section, the push rod supports the temperature sensing element between the wide cavity upper section and the upper opening of the placement cavity through temperature sensing particles, and the temperature sensing element The top end extends upwards out of the upper opening of the placement cavity; the arrangement of the upper section of the wide cavity facilitates the installation and movement of the temperature sensor, and the upper opening can prevent the temperature sensor from coming out.
进一步地，所述感温颗粒是受热温度达到设定值后变成粉未或液体或气体的硬质颗粒。Further, the temperature-sensitive particles are hard particles that become powder, liquid or gas after the heated temperature reaches a set value.
进一步地，所述座体的底部按高、低位置分别设置有动触片和静触片，所述动触片和静触片分别设置有相互碰触通电的动触头和静触头，所述动触片在静态时向上屹起，所述推杆下压动触片，以使动触头向下移动与静触头相抵通电。Further, the bottom of the seat body is respectively provided with a moving contact piece and a static contact piece according to high and low positions, and the moving contact piece and the static contact piece are respectively provided with a moving contact and a static contact that touch and energize each other, The moving contact piece stands up when it is at rest, and the push rod presses the moving contact piece downwards so that the moving contact moves downwards to resist and energize the static contact.
进一步地，所述座体的导电电路包括环形金属导电片和中心导电体，所述触控开关的动触片和静触片串联在环形金属导电片和中心导电体之间。Further, the conductive circuit of the base body includes a ring-shaped metal conductive sheet and a center conductor, and the movable contact sheet and the static contact sheet of the touch switch are connected in series between the ring-shaped metal conductive sheet and the center conductor.
本实用新型的有益效果如下。The beneficial effects of the present invention are as follows.
(1)此款耦合器，通过在座体上增设过热保护装置，利用感温颗粒分别与温度传感件和推杆相抵，温度传感件感应到热量(温度)会快速将热量传递给感温颗粒，感温颗粒达到设定温度值会变形(如：转化为粉未或液体)，这时，推杆失去了感温颗粒的下压力，会发生位移，从而使动触片复位、与静触片分离，触控开关断开，实现过热保护的作用，其整个结构简单、合理，而且，感温颗粒被隐藏在安置腔内，避免直接外露，不易损坏或断裂。(1) This type of coupler, by adding an overheating protection device to the base, uses the temperature sensing particles to resist the temperature sensing element and the push rod respectively, and the temperature sensing element senses heat (temperature) and quickly transfers the heat to the temperature sensing element. Particles, the temperature-sensing particles will deform when they reach the set temperature (such as: turning into powder or liquid). At this time, the push rod loses the pressure of the temperature-sensing particles and will shift, so that the moving contact piece resets and interacts with the static The contact piece is separated and the touch switch is disconnected to realize the function of overheating protection. The whole structure is simple and reasonable, and the temperature-sensitive particles are hidden in the placement cavity to avoid direct exposure and are not easily damaged or broken.
(2)其次，感温颗粒既可以因紧贴温度传感底壁，有利于热量直接传送给感温颗粒，使其过热保护更精确。(2) Secondly, the temperature-sensitive particles can be close to the bottom wall of the temperature-sensing, which facilitates the direct transfer of heat to the temperature-sensitive particles, so that the overheat protection is more accurate.
(3)另，推杆向上顶住感温颗粒和温度传感件，使感温颗粒受热变形时，更容易发生位移，过热保护动作更灵敏。(3) In addition, the push rod supports the temperature-sensitive particles and the temperature-sensing parts upwards, so that when the temperature-sensitive particles are deformed by heat, they are more likely to be displaced, and the overheat protection action is more sensitive.
(4)宽腔上段的设置，有利于温度传感件的安装和活动，上部开口可防止温度传感件脱出。(4) The arrangement of the upper section of the wide cavity facilitates the installation and movement of the temperature sensor, and the upper opening can prevent the temperature sensor from coming out.
附图说明Description of the drawings
图1为本实用新型带过热保护功能的的耦合器的剖示图。Figure 1 is a cross-sectional view of the coupler with overheating protection function of the present invention.
图2是本实用新型耦合器在去除过热保护装置后的示意图。Figure 2 is a schematic diagram of the coupler of the present invention after the overheat protection device is removed.
图3为本实用新型带过热保护功能的的耦合器的立体图。Fig. 3 is a perspective view of the coupler with overheat protection function of the present invention.
具体实施方式Detailed ways
下面结合附图和实施例对本发明作进一步说明。The present invention will be further described below with reference to the drawings and embodiments.
如图1至图3所示，一种带过热保护功能的耦合器，本实施例以上耦合器为例，包括底座1，所述底座1上设置有导电电路31，所述导电电路31上设置有触控开关4，所述触控开关4包括动触片41和静触片42，其特征是，还包括有过热保护装置5，所述过热保护装置5固定在底座1，所述过热保护装置5包括温度传感件6、感温颗粒7和推杆8，所述底座1上设置有安置腔9，温度传感件6固定在安置腔9上、并延伸出底座1表面，所述感温颗粒7设置在安置腔9内、并与温度传感件6相抵，所述推杆8一端与感温颗粒7相抵，另一个端延伸出安置腔9、并与动触片41相抵。As shown in Figures 1 to 3, a coupler with overheating protection function. The above coupler in this embodiment is taken as an example. It includes a base 1 on which a conductive circuit 31 is provided. There is a touch switch 4, the touch switch 4 includes a movable contact piece 41 and a static contact piece 42, and is characterized in that it also includes an overheating protection device 5, the overheating protection device 5 is fixed on the base 1, the overheating protection The device 5 includes a temperature sensing element 6, temperature sensing particles 7 and a push rod 8. The base 1 is provided with a placement cavity 9, and the temperature sensing element 6 is fixed on the placement cavity 9 and extends out of the surface of the base 1. The temperature sensing particles 7 are arranged in the installation cavity 9 and resist the temperature sensing element 6. One end of the push rod 8 resists the temperature sensing particles 7, and the other end extends out of the installation cavity 9 and resists the movable contact piece 41.
图1所示，所述安置腔9贯穿底座1的顶部和底部，温度传感件6作为顶盖固定在安置腔9的上部开口91，感温颗粒7嵌装入安置腔9的上部并紧贴温度传感件6的内底壁，推杆8一端向上延伸入安置腔9内并顶压感温颗粒7，另一端向下伸延出安置腔9的下部开口并下压动触片41，以使动触片41与静触片42相抵导通。所述温度传感件6为帽状顶盖体，帽状顶盖体的下部置于安置腔9内，其上部凸出安置腔9的上部开口91，凸出所述安置腔9上部开口91的帽状顶盖体内设置有所述感温颗粒7，所述感温颗粒7的下段穿过安置腔9的上部开口91、并伸延入安置腔9内。所述温度传感件6为帽状顶盖体，推杆8通过支撑感温颗粒7将帽状顶盖体撑起。所述安置腔9包括窄腔下段92和宽腔上段93，所述推杆8通过感温颗粒7将温度传感件6支撑在所述宽腔上段93和安置腔9的上部开口91之间，且温度传感件6的顶端向上延伸出安置腔9的上部开口91。所述感温颗粒7是受热温度达到设定值后变成粉未或液体或气体的硬质颗粒；硬质颗粒可以是固态颗粒石英砂，其受热(温度)达到一定程度，会变成粉未状；当然，硬质颗粒也可以是普通塑料粒，其受热(温度)达到一定程度后，部分会被熔化造成变形。As shown in Figure 1, the placement cavity 9 penetrates the top and bottom of the base 1, the temperature sensing element 6 is fixed as a top cover in the upper opening 91 of the placement cavity 9, and the temperature sensing particles 7 are embedded in the upper portion of the placement cavity 9 and tightly Sticking to the inner bottom wall of the temperature sensing element 6, one end of the push rod 8 extends upwards into the placement cavity 9 and presses the temperature-sensitive particles 7, and the other end extends downwards out of the lower opening of the placement cavity 9 and presses down the contact piece 41, In order to make the movable contact piece 41 and the static contact piece 42 resist and conduct. The temperature sensing element 6 is a cap-shaped top cover body, the lower part of the cap-shaped top cover body is placed in the placement cavity 9, and the upper part thereof protrudes from the upper opening 91 of the placement cavity 9 and protrudes from the upper opening 91 of the placement cavity 9 The temperature-sensitive particles 7 are arranged in the cap-shaped top cover of the, and the lower section of the temperature-sensitive particles 7 passes through the upper opening 91 of the installation cavity 9 and extends into the installation cavity 9. The temperature sensing element 6 is a cap-shaped top cover, and the push rod 8 supports the cap-shaped top cover by supporting the temperature-sensitive particles 7. The placement cavity 9 includes a narrow cavity lower section 92 and a wide cavity upper section 93. The push rod 8 supports the temperature sensor 6 through the temperature sensing particles 7 between the wide cavity upper section 93 and the upper opening 91 of the placement cavity 9 , And the top end of the temperature sensing element 6 extends upwardly out of the upper opening 91 of the placement cavity 9. The temperature-sensitive particles 7 are hard particles that turn into powder or liquid or gas after the heated temperature reaches a set value; the hard particles may be solid particles of quartz sand, which will become powder when heated (temperature) to a certain extent. It is not in shape; of course, the hard particles can also be ordinary plastic particles. After the heat (temperature) reaches a certain level, some of them will be melted and deformed.
作为更具体的方案，所述底座1的底部按高、低位置分别设置有动触片41和静触片42，所述动触片41和静触片42分别设置有相互碰触通电的动触头100和静触头101，所述动触片41在静态时向上屹起，所述推杆8下压动触片41，以使动触头100向下移动与动触头101相抵通电。所述底座1的导电电路31包括环形金属导电片12和中心导电体13，所述触控开关4的动触片41和静触片42串联在环形金属导电片12和中心导电体13之间。As a more specific solution, the bottom of the base 1 is provided with a moving contact piece 41 and a static contact piece 42 according to the high and low positions, respectively, and the moving contact piece 41 and the static contact piece 42 are respectively provided with moving contact pieces that touch and energize each other. The contact 100 and the static contact 101, the movable contact piece 41 stands up when in a static state, and the push rod 8 presses the movable contact piece 41 downward, so that the moving contact 100 moves downwards and energizes against the moving contact 101 . The conductive circuit 31 of the base 1 includes a ring-shaped metal conductive sheet 12 and a central conductor 13, and the movable contact sheet 41 and the static contact sheet 42 of the touch switch 4 are connected in series between the ring-shaped metal conductive sheet 12 and the central conductor 13 .
工作原理：以电热水壶为例，本实用新型作为上耦合器，其底座1(上耦合器)和下耦合器分别固定在壶身和壶座上，壶身坐于壶座上，底座1和下耦合器相互插接通电配合，由于壶身的发热盘与温度传感件6相抵，温度传感件6将发热盘的热量快速传递给感温颗粒7，当感温颗粒7的温度达到设定值，即：发热盘温度过热，感温颗粒受热变形，如变成粉未，这时，推杆8失去了感温颗粒7的下压力，会发生位移，从而使动触片41复位、与静触片42分离，触控开关4断开，实现底座1(即：上耦合器)过热保护的作用。Working principle: Take an electric kettle as an example. The utility model is used as an upper coupler. Its base 1 (upper coupler) and lower coupler are respectively fixed on the kettle body and the kettle base. The kettle body sits on the kettle base, and the base 1 and The lower couplers are plugged into each other for electrical coordination. Since the heating plate of the kettle body is against the temperature sensor 6, the temperature sensor 6 quickly transfers the heat of the heating plate to the temperature sensing particles 7, and when the temperature of the temperature sensing particles 7 reaches The setting value, that is: the temperature of the heating plate is overheated, and the temperature-sensing particles are deformed by heating, such as turning into powder. At this time, the push rod 8 loses the pressure of the temperature-sensing particles 7 and will be displaced, thereby resetting the moving contact piece 41 , Separate from the static contact sheet 42, and the touch switch 4 is disconnected, realizing the function of overheating protection of the base 1 (that is, the upper coupler).

Claims (8)

  1. 带过热保护功能的耦合器，包括座体(1)，所述座体(1)上设置有导电电路(31)，所述导电电路(31)上设置有触控开关(4)，所述触控开关(4)包括动触片(41)和静触片(42)，其特征是，还包括有过热保护装置(5)，所述过热保护装置(5)固定在座体(1)上，所述过热保护装置(5)包括温度传感件(6)、感温颗粒(7)和推杆(8)，所述座体(1)上设置有安置腔(9)，温度传感件(6)固定在安置腔(9)上，所述感温颗粒(7)设置在安置腔(9)内、并与温度传感件(6)相抵，所述推杆(8)一端与感温颗粒(7)相抵，另一个端延伸出安置腔(9)、并与动触片(41)相抵。The coupler with overheating protection function includes a base body (1), a conductive circuit (31) is arranged on the base body (1), and a touch switch (4) is arranged on the conductive circuit (31). The touch switch (4) includes a movable contact piece (41) and a static contact piece (42), and is characterized in that it also includes an overheating protection device (5), which is fixed on the base (1) , The overheat protection device (5) includes a temperature sensor (6), temperature sensing particles (7) and a push rod (8), the seat body (1) is provided with a placement cavity (9), and the temperature sensor The member (6) is fixed on the installation cavity (9), the temperature-sensitive particles (7) are arranged in the installation cavity (9) and resist the temperature-sensing member (6), and one end of the push rod (8) is The temperature sensing particles (7) are opposed to each other, and the other end extends out of the placement cavity (9) and is opposed to the movable contact piece (41).
  2. 根据权利要求1所述带过热保护功能的耦合器，其特征是，所述安置腔(9)贯穿座体(1)的顶部和底部，温度传感件(6)作为顶盖固定在安置腔(9)的上部开口(91)，感温颗粒(7)嵌装入安置腔(9)的上部并紧贴温度传感件(6)的内底壁，推杆(8)一端向上延伸入安置腔(9)内并顶压感温颗粒(7)，另一端向下伸延出安置腔(9)的下部开口并下压动触片(41)，以使动触片(41)与静触片(42)相抵导通。The coupler with overheating protection function according to claim 1, characterized in that the placement cavity (9) penetrates the top and bottom of the seat body (1), and the temperature sensor (6) is fixed in the placement cavity as a top cover The upper opening (91) of (9), the temperature sensing particles (7) are inserted into the upper part of the placement cavity (9) and close to the inner bottom wall of the temperature sensing element (6), and one end of the push rod (8) extends upward into The temperature-sensitive particles (7) are pressed against the placement cavity (9), and the other end extends downwards out of the lower opening of the placement cavity (9) and presses down the movable contact piece (41) to make the movable contact piece (41) and the static The contact pieces (42) are conductive against each other.
  3. 根据权利要求2所述带过热保护功能的的耦合器，其特征是，所述温度传感件(6)为帽状顶盖体，帽状顶盖体的下部置于安置腔(9)内，其上部凸出安置腔(9)的上部开口(91)，凸出所述安置腔(9)上部开口(91)的帽状顶盖体内设置有所述感温颗粒(7)，所述感温颗粒(7)的下段穿过安置腔(9)的上部开口(91)、并伸延入安置腔(9)内。The coupler with overheat protection function according to claim 2, characterized in that the temperature sensing element (6) is a cap-shaped top cover body, and the lower part of the cap-shaped top cover body is placed in the placement cavity (9) The upper part protrudes from the upper opening (91) of the placement cavity (9), and the cap-shaped top cover protruding from the upper opening (91) of the placement cavity (9) is provided with the temperature-sensitive particles (7), and The lower section of the temperature-sensitive particles (7) passes through the upper opening (91) of the installation cavity (9) and extends into the installation cavity (9).
  4. 根据权利要求3所述带过热保护功能的的耦合器，其特征是，所述温度传感件(6)为帽状顶盖体，推杆(8)通过支撑感温颗粒(7)将帽状顶盖体撑起。The coupler with overheating protection function according to claim 3, characterized in that the temperature sensing element (6) is a cap-shaped top cover, and the push rod (8) supports the temperature sensing particles (7) to hold the cap The top cover body is held up.
  5. 根据权利要求1-4任一所述带过热保护功能的的耦合器，其特征是，所述安置腔(9)包括窄腔下段(92)和宽腔上段(93)，所述推杆(8)通过感温颗粒(7)将温度传感件(6)支撑在所述宽腔上段(93)和安置腔(9)的上部开口(91)之间，且温度传感件(6)的顶端向上延伸出安置腔(9)的上部开口(91)。The coupler with overheat protection function according to any one of claims 1 to 4, characterized in that the placement cavity (9) comprises a narrow cavity lower section (92) and a wide cavity upper section (93), and the push rod ( 8) The temperature sensing element (6) is supported between the upper section (93) of the wide cavity and the upper opening (91) of the placement cavity (9) by the temperature sensing particles (7), and the temperature sensing element (6) The top end extends upwards out of the upper opening (91) of the placement cavity (9).
  6. 根据权利要求1所述带过热保护功能的的耦合器，其特征是，所述感温颗粒(7)是受热温度达到设定值后变成粉未或液体或气体的硬质颗粒。The coupler with overheating protection function according to claim 1, characterized in that the temperature-sensitive particles (7) are hard particles that become powder, liquid or gas after the heated temperature reaches a set value.
  7. 根据权利要求1所述带过热保护功能的的耦合器，其特征是，所述座体(1)的底部按高、低位置分别设置有动触片(41)和静触片(42)，所述动触片(41)在静态时向上屹起，所述推杆(8)下压动触片(41)，以使动触片(41)向下移动与静触片(42)相抵通电。The coupler with overheating protection function according to claim 1, characterized in that the bottom of the base body (1) is provided with a movable contact piece (41) and a static contact piece (42) according to high and low positions, respectively, The movable contact piece (41) rises upwards in a static state, and the push rod (8) presses the movable contact piece (41) downward so that the movable contact piece (41) moves downward to resist the static contact piece (42) power ups.
  8. 根据权利要求1所述带过热保护功能的的耦合器，其特征是，所述座体(1)的导电电路(31)包括环形金属导电片(12)，所述触控开关(4)的动触片(41)和静触片(42)与环形金属导电片(12)连通。The coupler with overheat protection function according to claim 1, characterized in that the conductive circuit (31) of the base body (1) comprises a ring-shaped metal conductive sheet (12), and the touch switch (4) The moving contact piece (41) and the static contact piece (42) are in communication with the annular metal conductive piece (12).
PCT/CN2019/121038 2019-08-01 2019-11-26 Coupler having overheat protection function WO2021017340A1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101552155A (en) * 2008-04-02 2009-10-07 恩益禧肖特电子零件有限公司 Temperature-sensing particle type temperature fuse
CN105869951A (en) * 2016-06-17 2016-08-17 佛山市格来德小家电有限公司 Dry-burning preventing kettle coupler with fusing
CN208889574U (en) * 2018-10-25 2019-05-21 厦门升明电子有限公司 A kind of fuse
CN110416025A (en) * 2019-08-01 2019-11-05 广东汇莱德温控器有限公司 Coupler with elastic overheating protection function

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101552155A (en) * 2008-04-02 2009-10-07 恩益禧肖特电子零件有限公司 Temperature-sensing particle type temperature fuse
CN105869951A (en) * 2016-06-17 2016-08-17 佛山市格来德小家电有限公司 Dry-burning preventing kettle coupler with fusing
CN208889574U (en) * 2018-10-25 2019-05-21 厦门升明电子有限公司 A kind of fuse
CN110416025A (en) * 2019-08-01 2019-11-05 广东汇莱德温控器有限公司 Coupler with elastic overheating protection function

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