CN215869131U - Temperature fuse - Google Patents

Temperature fuse Download PDF

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Publication number
CN215869131U
CN215869131U CN202122003888.2U CN202122003888U CN215869131U CN 215869131 U CN215869131 U CN 215869131U CN 202122003888 U CN202122003888 U CN 202122003888U CN 215869131 U CN215869131 U CN 215869131U
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CN
China
Prior art keywords
spring
push rod
sensing body
temperature sensing
thermal fuse
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CN202122003888.2U
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Chinese (zh)
Inventor
洪尧祥
陈晓健
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Xiamen Set Electronics Co Ltd
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Xiamen Set Electronics Co Ltd
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Application filed by Xiamen Set Electronics Co Ltd filed Critical Xiamen Set Electronics Co Ltd
Priority to CN202122003888.2U priority Critical patent/CN215869131U/en
Application granted granted Critical
Publication of CN215869131U publication Critical patent/CN215869131U/en
Priority to KR1020237011201A priority patent/KR102820702B1/en
Priority to JP2023518463A priority patent/JP7522308B2/en
Priority to PCT/CN2022/113371 priority patent/WO2023020584A1/en
Priority to EP22857105.5A priority patent/EP4187568B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • 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
    • H01H37/764—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material in which contacts are held closed by a thermal pellet
    • 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
    • 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
    • H01H37/764—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material in which contacts are held closed by a thermal pellet
    • H01H37/766—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material in which contacts are held closed by a thermal pellet using a bridging contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Fuses (AREA)

Abstract

The utility model relates to the field of protectors, in particular to a temperature fuse. The traditional mode that realizes the transmission with push rod and temperature sensing body direct contact has been changed, changes into through addding a spring mechanism between the two, realizes the indirect transmission of push rod and temperature sensing body, specifically is: the spring mechanism comprises a spring and a spring column, the spring is in a compression state when one end of the spring column and a temperature fuse are not triggered by the spring sleeve, the temperature sensing body is abutted to the other end of the spring column, one end of the push rod is abutted to the reed, the other end of the push rod is abutted to the end part of one side wall of the spring column, the length of the temperature sensing body in the spring stretching direction is larger than or equal to the length of the push rod in the spring stretching direction and abutted to the spring column, when the temperature sensing body is triggered, the compression elastic force of the spring is released, so that the other end of the push rod is separated from the spring column, and then the reed is separated from the contact under the action of the self elastic force, and the circuit is cut off. The problem of poor electrode contact caused by temperature-sensing body aging is solved through the structure.

Description

Temperature fuse
Technical Field
The utility model relates to the field of protectors, in particular to a temperature fuse.
Background
The temperature fuse is an over-temperature protection component, and when the electronic equipment to be protected generates heat due to abnormal faults and the temperature reaches the fusing temperature of the temperature fuse, the fuse can be fused, so that a circuit is cut off. The temperature fuse is composed of a temperature sensing body, an electrode, a ceramic shell, a push rod, a spring and the like. Generally, the product of the type adopts a structure that a fusible temperature-sensing body is placed at the bottommost part, a push rod is placed on the fusible temperature-sensing body to push a reed, the fusible temperature-sensing body melts when acting, the push rod loses support, and the reed is separated from contact with an electrode to break a circuit.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: provided is a temperature fuse which can effectively solve the problem of poor contact caused by the pressure change of an electrode contact caused by the aging of a temperature sensing body.
In order to solve the technical problems, the utility model adopts the technical scheme that:
a temperature fuse comprises a reed and a contact which are arranged oppositely, and further comprises a spring mechanism, a temperature sensing body and a push rod; the spring mechanism comprises a spring and a spring post, one end of the spring post is arranged on the spring sleeve, the temperature fuse is not triggered, the spring is in a compression state, the temperature sensing body is abutted to the other end of the spring post, one end of the push rod is abutted to the reed, the other end of the push rod is abutted to the end of one side wall of the spring post, and the length of the temperature sensing body in the spring stretching direction is larger than or equal to the length of the push rod in the spring stretching direction and abutted to the spring post.
Furthermore, the spring post comprises a seat body, two columns which are respectively arranged at two ends of the seat body and are arranged at the same side, and a connecting part arranged on the seat body, wherein the connecting part and the columns are arranged at different sides of the seat body, the spring sleeve is arranged on the columns, the temperature sensing body is abutted against the connecting part, and the other end of the push rod is abutted against the part of the seat body between the two columns.
The device further comprises a shell, wherein two electrode plates which are arranged at intervals are arranged at one end of the shell, and the two electrode plates are respectively and correspondingly electrically connected with the reed and the contact.
Furthermore, a guide plate is arranged inside the shell and corresponds to the position of the push rod.
Furthermore, a copper cap is arranged inside the shell, and the temperature sensing body is arranged in the copper cap.
Furthermore, the connecting part is cylindrical, the inner space of the copper cap is cylindrical, the temperature sensing body is cylindrical, the outer diameter of the connecting part is equal to that of the temperature sensing body, and the inner diameter of the copper cap is larger than that of the connecting part.
Further, still include the mounting panel, another tip of casing has the opening, the mounting panel passes through the fix with rivet in the opening department of casing is in order to seal the opening, the copper cap support lean on in on the inside wall of mounting panel.
Furthermore, a cavity is formed in the shell, an insulating mica sheet and a resistance wire are arranged in the cavity, the resistance wire is electrically connected with a welding column arranged on the electrode plate, and the insulating mica sheet is arranged between the resistance wire and the mounting plate.
Furthermore, the shell is made of ceramic or plastic.
Furthermore, the push rod is made of ceramic or plastic.
The utility model has the beneficial effects that:
the temperature fuse provided by the utility model changes the traditional mode that the push rod is directly contacted with the temperature sensing body to realize transmission, and changes the mode that the push rod is indirectly transmitted with the temperature sensing body by additionally arranging a spring mechanism between the push rod and the temperature sensing body into the mode that the push rod is indirectly transmitted with the temperature sensing body, and specifically comprises the following steps: the spring mechanism comprises a spring and a spring post, the spring is in a compressed state when the spring is sleeved at one end of the spring post and the temperature fuse is not triggered, the temperature sensing body is abutted to the other end of the spring post, one end of the push rod is abutted to the reed, the other end of the push rod is abutted to the end part of one side wall of the spring post, the length of the temperature sensing body in the spring expansion direction is larger than or equal to the length of the push rod in the spring expansion direction in abutment to the spring post, when the temperature sensing body is triggered, the compression elasticity of the spring is released to separate the other end of the push rod from the spring post, and then the reed is separated from the contact under the action of the elasticity of the reed, so that a circuit is cut off. The problem of poor electrode contact caused by temperature-sensing body aging is solved through the structure.
Drawings
Fig. 1 is an exploded view of a thermal fuse according to a first embodiment of the present invention;
FIG. 2 is an assembled cross-sectional view of a thermal fuse according to a first embodiment of the present invention;
fig. 3 is a schematic partial structure diagram of a thermal fuse according to an embodiment of the present invention;
FIG. 4 is a partial front view of a thermal fuse according to an embodiment of the present invention;
fig. 5 is an exploded view of a thermal fuse according to a second embodiment of the present invention;
FIG. 6 is an assembled cross-sectional view of a thermal fuse according to a second embodiment of the present invention;
description of reference numerals:
1. a reed; 2. a contact; 3. a temperature sensing body; 4. a push rod; 5. a housing; 6. a guide plate; 7. an electrode sheet;
8. mica sheets; 9. a copper cap; 10. mounting a plate; 11. riveting;
12. a spring; 13. a spring post; 131. a base body; 132. a cylinder; 133. a connecting portion;
14. a resistance wire; 15. insulating mica sheet.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1-4, the thermal fuse provided by the present invention includes a spring plate and a contact point arranged oppositely, and further includes a spring mechanism, a temperature sensing body and a push rod; the spring mechanism comprises a spring and a spring post, one end of the spring post is arranged on the spring sleeve, the temperature fuse is not triggered, the spring is in a compression state, the temperature sensing body is abutted to the other end of the spring post, one end of the push rod is abutted to the reed, the other end of the push rod is abutted to the end of one side wall of the spring post, and the length of the temperature sensing body in the spring stretching direction is larger than or equal to the length of the push rod in the spring stretching direction and abutted to the spring post.
From the above description, the beneficial effects of the present invention are:
the temperature fuse provided by the utility model changes the traditional mode that the push rod is directly contacted with the temperature sensing body to realize transmission, and changes the mode that the push rod is indirectly transmitted with the temperature sensing body by additionally arranging a spring mechanism between the push rod and the temperature sensing body into the mode that the push rod is indirectly transmitted with the temperature sensing body, and specifically comprises the following steps: the spring mechanism comprises a spring and a spring post, the spring is in a compressed state when the spring is sleeved at one end of the spring post and the temperature fuse is not triggered, the temperature sensing body is abutted to the other end of the spring post, one end of the push rod is abutted to the reed, the other end of the push rod is abutted to the end part of one side wall of the spring post, the length of the temperature sensing body in the spring expansion direction is larger than or equal to the length of the push rod in the spring expansion direction in abutment to the spring post, when the temperature sensing body is triggered, the compression elasticity of the spring is released to separate the other end of the push rod from the spring post, and then the reed is separated from the contact under the action of the elasticity of the reed, so that a circuit is cut off. The problem of poor electrode contact caused by temperature-sensing body aging is solved through the structure.
Furthermore, the spring post comprises a seat body, two columns which are respectively arranged at two ends of the seat body and are arranged at the same side, and a connecting part arranged on the seat body, wherein the connecting part and the columns are arranged at different sides of the seat body, the spring sleeve is arranged on the columns, the temperature sensing body is abutted against the connecting part, and the other end of the push rod is abutted against the part of the seat body between the two columns.
As can be seen from the above description, through the above structure, indirect transmission between the temperature sensing body and the push rod is realized.
The device further comprises a shell, wherein two electrode plates which are arranged at intervals are arranged at one end of the shell, and the two electrode plates are respectively and correspondingly electrically connected with the reed and the contact.
Furthermore, a guide plate is arranged inside the shell and corresponds to the position of the push rod.
According to the above structure, the guide plate is fixed in the shell in a riveting mode and is arranged corresponding to the position of the push rod, so that the push rod can be prevented from falling off.
Furthermore, a copper cap is arranged inside the shell, and the temperature sensing body is arranged in the copper cap.
As can be seen from the above description, the temperature-sensing body is limited by the above structure.
Furthermore, the connecting part is cylindrical, the inner space of the copper cap is cylindrical, the temperature sensing body is cylindrical, the outer diameter of the connecting part is equal to that of the temperature sensing body, and the inner diameter of the copper cap is larger than that of the connecting part.
As can be seen from the above description, through the above structure, a large clearance fit is formed between the connecting part of the spring column and the copper cap, and the large clearance is beneficial to the melting and discharging of the temperature-sensing body.
Further, still include the mounting panel, another tip of casing has the opening, the mounting panel passes through the fix with rivet in the opening department of casing is in order to seal the opening, the copper cap support lean on in on the inside wall of mounting panel.
As can be seen from the above description, through above-mentioned structure, the mounting panel passes through rivet and casing riveting, plays the effect of sealing, also plays the limiting displacement to the copper cap simultaneously. In addition, the traditional thermal fuse is sealed by adopting materials such as resin, and if the temperature is too high, the sealing material is melted, so that the thermal fuse cannot be applied to a high-temperature environment. The sealing mode with the structure has the characteristic of high temperature resistance, and can realize the temperature fuse with high melting point.
Furthermore, a cavity is formed in the shell, an insulating mica sheet and a resistance wire are arranged in the cavity, the resistance wire is electrically connected with a welding column arranged on the electrode plate, and the insulating mica sheet is arranged between the resistance wire and the mounting plate.
As can be seen from the above description, with the above structure, when the product is used in a circuit with a large rated current, the resistance wire plays an arc extinguishing role, and arc discharge is prevented when the reed is separated from the contact.
Furthermore, the shell is made of ceramic or plastic.
Furthermore, the push rod is made of ceramic or plastic.
As can be seen from the above description, the temperature resistance can reach more than 500 ℃ by the above structure.
Referring to fig. 1-4, a first embodiment of the present invention is:
the utility model provides a temperature fuse, which comprises a reed 1, a contact 2, a spring mechanism, a temperature sensing body 3, a push rod 4, a shell 5, a guide plate 6, an electrode plate 7, a mica sheet 8, a copper cap 9, a mounting plate 10 and a rivet 11, wherein the reed is fixed on the shell; in this embodiment, the housing is made of ceramic or plastic. The push rod is made of ceramic or plastic.
The two opposite end parts of the shell 5 are both open, specifically an upper end opening and a lower end opening;
the reed 1, the contact 2, the spring mechanism, the temperature sensing body 3, the push rod 4, the guide plate 6 and the copper cap 9 are respectively arranged inside the shell 5, the two electrode plates 7 are arranged on two sides of the upper end opening at intervals, the mica sheet 8 is also arranged at the upper end opening and is positioned between the two electrode plates, and the two electrode plates are used as two-way terminals of the product. In this embodiment, the mica sheet can be inserted into the gap between the electrode plate and the housing from the side surface, so as to play the roles of dust prevention and sealing.
The reed 1 and the contact 2 are oppositely arranged, and the two electrode plates are respectively and correspondingly electrically connected with the reed and the contact one by one;
the spring mechanism comprises a spring 12 and a spring column 13, the spring column 13 comprises a seat body 131, two column bodies 132 respectively arranged at two ends of the seat body 131 and on the same side, and a connecting part 133 arranged on the seat body 131, the connecting part 133 and the column bodies 132 are arranged on different sides of the seat body, and the spring 12 is sleeved on the column bodies 132; spring 12 cover locate spring post 13 one end just when the temperature fuse is not triggered the spring is in compression state, temperature sensing body 3 butt in the spring post 13 other end, 4 one ends of push rod and reed 1 butt, the tip butt of 4 other ends of push rod and 13 lateral walls of spring post, the length of temperature sensing body 3 on the spring flexible direction and the length looks adaptation of push rod 4 on the spring flexible direction. The temperature sensing body 3 is abutted with the connecting part 133, and the other end of the push rod 4 is abutted with the part of the seat body between the two columns.
The inside baffle 6 that is equipped with of casing 5, the baffle corresponds the push rod position and sets up. The baffle passes through the riveting mode to be fixed in the casing, and corresponds the push rod position setting, can prevent that the push rod from droing.
The temperature sensing body 3 is arranged in the copper cap 9, the connecting part 133 is cylindrical, the inner space of the copper cap 9 is cylindrical, the temperature sensing body 3 is cylindrical, the outer diameter of the connecting part is equal to that of the temperature sensing body, and the inner diameter of the copper cap is larger than that of the connecting part. The connecting part of the spring column and the copper cap form large clearance fit, and the large clearance is favorable for melting and discharging the temperature sensing body.
The mounting plate 10 is fixed at the lower end opening of the shell through a rivet 11 to seal the lower end opening, and the copper cap 9 is abutted on the inner side wall of the mounting plate 10.
Preferably, the shell is a ceramic shell, and the temperature sensing body is made of a material with a trigger mechanism higher than 300 ℃. Further enabling the temperature fuse to be suitable for temperatures above 300 ℃.
Referring to fig. 1 to 6, a second embodiment of the present invention is:
the difference with above-mentioned embodiment one lies in, add the resistance wire in the casing, specifically do: the improved electrode plate structure is characterized in that a cavity is formed in the shell, an insulating mica sheet 15 and a resistance wire 14 are arranged in the cavity, the resistance wire 14 is electrically connected with a welding column arranged on the electrode plate 7, and the insulating mica sheet 15 is arranged between the resistance wire 14 and the mounting plate 10. Through the structure, when the product is used in a circuit with larger rated current, the resistance wire plays an arc extinguishing role, and arc discharge is prevented when the reed is separated from the contact.
In summary, the temperature fuse provided by the present invention changes the traditional way of directly contacting the push rod with the temperature-sensitive body to realize transmission, and changes the way of indirectly transmitting the push rod with the temperature-sensitive body by additionally providing a spring mechanism between the push rod and the temperature-sensitive body, and specifically comprises: the spring mechanism comprises a spring and a spring post, the spring is in a compressed state when the spring is sleeved at one end of the spring post and the temperature fuse is not triggered, the temperature sensing body is abutted to the other end of the spring post, one end of the push rod is abutted to the reed, the other end of the push rod is abutted to the end part of one side wall of the spring post, the length of the temperature sensing body in the spring expansion direction is larger than or equal to the length of the push rod in the spring expansion direction in abutment to the spring post, when the temperature sensing body is triggered, the compression elasticity of the spring is released to separate the other end of the push rod from the spring post, and then the reed is separated from the contact under the action of the elasticity of the reed, so that a circuit is cut off. The problem of poor electrode contact caused by temperature-sensing body aging is solved through the structure. And has the advantage of high temperature resistance.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.

Claims (10)

1.一种温度保险丝，包括相对设置的簧片和触点，其特征在于，还包括弹簧机构、感温体和推杆；所述弹簧机构包括弹簧和弹簧柱，所述弹簧套设于弹簧柱一端且所述温度保险丝未被触发时所述弹簧处于压缩状态，所述感温体抵接于所述弹簧柱另一端，所述推杆一端与簧片抵接，所述推杆另一端与弹簧柱一侧壁的端部抵接，所述感温体在弹簧伸缩方向上的长度大于或等于推杆在弹簧伸缩方向上与弹簧柱抵接的长度。1. A thermal fuse, comprising reeds and contacts arranged oppositely, characterized in that it also comprises a spring mechanism, a temperature sensing body and a push rod; the spring mechanism comprises a spring and a spring column, and the spring is sleeved on the spring When one end of the column and the thermal fuse are not triggered, the spring is in a compressed state, the temperature sensing body is in contact with the other end of the spring column, one end of the push rod is in contact with the reed, and the other end of the push rod is in contact with the reed. Abutting with the end of one side wall of the spring column, the length of the temperature sensing body in the spring expansion and contraction direction is greater than or equal to the length of the push rod in contact with the spring column in the spring expansion and contraction direction. 2.根据权利要求1所述的温度保险丝，其特征在于，所述弹簧柱包括一座体、两个分别设置在所述座体两端且同侧的柱体以及设置在座体上的连接部，所述连接部与柱体处于座体的不同侧，所述弹簧套设于柱体上，所述感温体与连接部抵接，所述推杆另一端与所述座体位于两个柱体之间的部分抵接。2 . The thermal fuse according to claim 1 , wherein the spring column comprises a seat body, two column bodies respectively arranged at both ends of the seat body and on the same side, and a connecting portion arranged on the seat body, 2 . The connecting part and the cylinder are located on different sides of the base, the spring is sleeved on the cylinder, the temperature sensing body is in contact with the connecting part, and the other end of the push rod and the base are located on two cylinders Partial abutment between the bodies. 3.根据权利要求2所述的温度保险丝，其特征在于，还包括一壳体，所述壳体一端部设有两个间隔设置的电极片，两个所述电极片分别与簧片和触点一一对应电连接。3 . The thermal fuse according to claim 2 , further comprising a casing, one end of the casing is provided with two electrode pieces arranged at intervals, and the two electrode pieces are respectively connected with the reed and the contact. 4 . One-to-one electrical connection. 4.根据权利要求3所述的温度保险丝，其特征在于，所述壳体内部设有导板，所述导板对应推杆位置设置。4 . The thermal fuse according to claim 3 , wherein a guide plate is arranged inside the casing, and the guide plate is arranged corresponding to the position of the push rod. 5 . 5.根据权利要求3所述的温度保险丝，其特征在于，所述壳体内部设有铜帽，所述感温体设置于所述铜帽内。5 . The thermal fuse according to claim 3 , wherein a copper cap is arranged inside the casing, and the temperature sensing body is arranged in the copper cap. 6 . 6.根据权利要求5所述的温度保险丝，其特征在于，所述连接部呈圆柱体状，所述铜帽的内部空间为圆柱体状，所述感温体呈圆柱体状，所述连接部的外径与感温体的外径相等，所述铜帽的内径大于所述连接部的外径。6 . The thermal fuse according to claim 5 , wherein the connecting portion is cylindrical, the inner space of the copper cap is cylindrical, the temperature sensing body is cylindrical, and the connecting portion is cylindrical. 7 . The outer diameter of the copper cap is equal to the outer diameter of the temperature sensing body, and the inner diameter of the copper cap is larger than the outer diameter of the connecting portion. 7.根据权利要求5所述的温度保险丝，其特征在于，还包括安装板，所述壳体另一端部具有开口，所述安装板通过铆钉固定于所述壳体的开口处以封闭所述开口，所述铜帽抵靠于所述安装板的内侧壁上。7 . The thermal fuse according to claim 5 , further comprising a mounting plate, the other end of the casing has an opening, and the mounting plate is fixed to the opening of the casing by rivets to close the opening. 8 . , the copper cap abuts on the inner side wall of the mounting plate. 8.根据权利要求7所述的温度保险丝，其特征在于，所述壳体内设有一型腔，所述型腔内设有绝缘云母片和电阻丝，所述电阻丝与设置在电极片的焊接柱电连接，所述绝缘云母片设置与电阻丝与安装板之间。8 . The thermal fuse according to claim 7 , wherein a cavity is provided in the casing, and an insulating mica sheet and a resistance wire are arranged in the cavity, and the resistance wire is welded with the electrode plate. 9 . The column is electrically connected, and the insulating mica sheet is arranged between the resistance wire and the mounting plate. 9.根据权利要求3所述的温度保险丝，其特征在于，所述壳体的材质为陶瓷或塑料。9 . The thermal fuse according to claim 3 , wherein the material of the casing is ceramic or plastic. 10 . 10.根据权利要求1所述的温度保险丝，其特征在于，所述推杆的材质为陶瓷或塑料。10 . The thermal fuse according to claim 1 , wherein the material of the push rod is ceramic or plastic. 11 .
CN202122003888.2U 2021-08-18 2021-08-18 Temperature fuse Active CN215869131U (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN202122003888.2U CN215869131U (en) 2021-08-18 2021-08-18 Temperature fuse
KR1020237011201A KR102820702B1 (en) 2021-08-18 2022-08-18 Thermal fuse
JP2023518463A JP7522308B2 (en) 2021-08-18 2022-08-18 Thermal fuse
PCT/CN2022/113371 WO2023020584A1 (en) 2021-08-18 2022-08-18 Thermal fuse
EP22857105.5A EP4187568B1 (en) 2021-08-18 2022-08-18 Temperature fuse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122003888.2U CN215869131U (en) 2021-08-18 2021-08-18 Temperature fuse

Publications (1)

Publication Number Publication Date
CN215869131U true CN215869131U (en) 2022-02-18

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ID=80242096

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122003888.2U Active CN215869131U (en) 2021-08-18 2021-08-18 Temperature fuse

Country Status (5)

Country Link
EP (1) EP4187568B1 (en)
JP (1) JP7522308B2 (en)
KR (1) KR102820702B1 (en)
CN (1) CN215869131U (en)
WO (1) WO2023020584A1 (en)

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* Cited by examiner, † Cited by third party
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