CN111211023A - Protective element - Google Patents
Protective element Download PDFInfo
- Publication number
- CN111211023A CN111211023A CN201911005836.XA CN201911005836A CN111211023A CN 111211023 A CN111211023 A CN 111211023A CN 201911005836 A CN201911005836 A CN 201911005836A CN 111211023 A CN111211023 A CN 111211023A
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- CN
- China
- Prior art keywords
- conductor
- exposed
- exposed surface
- housing
- present
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 17
- 239000004020 conductor Substances 0.000 claims abstract description 95
- 239000000758 substrate Substances 0.000 description 22
- 229910045601 alloy Inorganic materials 0.000 description 13
- 239000000956 alloy Substances 0.000 description 13
- 238000002844 melting Methods 0.000 description 7
- 230000008018 melting Effects 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 229910000679 solder Inorganic materials 0.000 description 6
- 239000003822 epoxy resin Substances 0.000 description 5
- 229920000647 polyepoxide Polymers 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000005219 brazing Methods 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
Images
Classifications
-
- 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
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/143—Electrical contacts; Fastening fusible members to such contacts
Landscapes
- Fuses (AREA)
Abstract
The invention provides a protective element with large rated current and breaking current. The protection element includes: a conductor of the conductive part (10), a pair of terminals (64, 64), and a housing (12). The electric conductor is fused when the integrated value of Joule heat becomes equal to or higher than a predetermined value. The pair of terminals (64, 64) is connected to the conductor. The housing (12) accommodates an electrical conductor. The terminals (64, 64) have an exposed surface (100) and a conduction portion (102). The exposed surface (100) is flat. The exposed surface (100) is exposed to the outside of the case (12). The conduction part (102) conducts the exposed surface (100) and the conductor (54).
Description
Technical Field
The present invention relates to a protection element such as a current fuse.
Background
Patent document 1 discloses a protective element. The protection element includes: a substrate, a conductor, a terminal pair, a solder pair, and a case. The conductor is fixed on one surface of the substrate. The conductive body is fused when the integrated value of Joule heat reaches a predetermined value or more. The solder pair fixes one end of each terminal to the other surface of the substrate along the other surface of the substrate. A plurality of through holes are formed in the substrate. The terminal pair is electrically connected to the conductor through different through holes. The housing accommodates the electrical conductor. The protection element disclosed in patent document 1 can be suppressed from being affected by external force.
Documents of the prior art
Patent document
Patent document 1: japanese patent laid-open publication No. 2016-143644
Disclosure of Invention
However, in the protection element disclosed in patent document 1, there is room for improvement in the magnitude of the rated current and the breaking current.
The present invention is intended to solve such problems. The invention aims to provide a protective element with high rated current and breaking current.
The protective element of the present invention is explained with reference to the drawings. It should be noted that the reference numerals used in this section are for assisting the understanding of the contents of the invention, and do not limit the contents to the illustrated scope.
In order to solve the above-mentioned problems, according to one embodiment of the present invention, a protection element includes: a conductor 54, a pair of terminals, and a housing 12. When the joule heat integral value becomes equal to or higher than a predetermined value, the conductor 54 is fused. The terminal pair 64, 64 is connected to the electrical conductor 54. The housing 12 houses an electrical conductor 54. The terminal 64 has an exposed surface 100 and a conductive portion 102. The exposed surface 100 is flat. The exposed surface 100 is exposed to the outside of the housing 12. The conductive portion 102 conducts the exposed surface 100 and the conductor 54.
When the joule heat integral value becomes equal to or higher than a predetermined value, the conductor 54 is fused. The conductive portion 102 conducts the exposed surface 100 and the conductor 54. Since the exposed surface 100 is electrically connected to the conductor 54, the heat of the conductor 54 is transmitted to the exposed surface 100. The exposed surface 100 is exposed to the outside of the housing 12. Since the exposed surface 100 is flat, when the exposed surface 100 is connected to a flat conductor, more heat can be transferred to the flat conductor, the heat of which the movement path is restricted by the case 12. Since the exposed surface 100 transmits more heat, it is difficult for the integrated value of joule heat of the conductor 54 to reach a predetermined value or more, compared with the case where it is not. If it becomes difficult for the joule heat integral value of the conductor 54 to reach a predetermined value or more, more current can be caused to flow through the conductor 54. As a result, the rated current and the off current of the protection element are increased.
The conductive portion 102 preferably includes a terminal base portion 140 and an outer peripheral continuous portion 142. The terminal base 140 electrically connects the exposed surface 100 and the conductor 54. The terminal base 140 supports the exposed surface 100. The outer peripheral continuous portion 142 forms one continuous surface. The one continuous surface is connected to the outer periphery of the exposed surface 100, extends from the exposed surface 100 to the terminal base 140, and is exposed to the outside of the housing 12.
The terminal base 140 electrically connects the exposed surface 100 and the conductor 54. The terminal base 140 supports the exposed surface 100. This forms a heat path from the conductor 54 to the exposed surface 100 and the exposed surface 100. As a path for heat is formed, heat flowing out of the electrical conductor 54 is also stored in the path. The continuous surface is in contact with the hot path. The continuous surface is exposed. Thereby, the heat stored in the heat path is discharged to the outside of the terminals 64 and 64. Since the heat is discharged, an increase in the integrated value of joule heat in the electric conductor 54 is suppressed as compared with the case where the heat is suppressed from being discharged. If the increase in the integrated value of joule heat is suppressed, it becomes difficult for the integrated value of joule heat of the conductor 54 to reach a predetermined value or more. If it becomes difficult for the joule heat integral value of the conductor 54 to reach a predetermined value or more, more current can be caused to flow through the conductor 54. As a result, the rated current and the off current of the protection element are increased.
Alternatively, the continuous surface is preferably a curved surface protruding outward when viewed from the terminal base 140.
If the continuous surface protrudes, heat is easily discharged from the continuous surface, as compared with a case where the continuous surface is a flat surface. If the boundary portion between the continuous surface and the exposed surface 100 is connected to the flat conductor together with the exposed surface 100 by another material such as a brazing material, more heat is easily discharged to the flat conductor through the material. If the heat is easily discharged, the increase in the integrated value of joule heat in the electric conductor 54 is suppressed as compared with the case where the discharge of the heat is suppressed. As a result, the rated current and the off current of the protection element are increased.
The sum of the areas of the exposed surfaces 100 of the terminal pair 64, 64 is preferably larger than the surface area of the conductor 54.
If the sum of the areas of the exposed surfaces 100 of the terminal pair 64, 64 is larger than the surface area of the conductor 54, the heat flowing out of the conductor 54 is more easily discharged than in the case where the sum of the areas is smaller than the surface area. As a result, the rated current and the off current of the protection element are increased.
According to the present invention, a protective element having a large rated current and a large off-current can be provided.
Drawings
Fig. 1 is a perspective view of a protective element according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view of a protective element according to an embodiment of the present invention.
Fig. 3 is a plan view of a conductive portion according to an embodiment of the present invention.
Fig. 4 is a perspective view of a terminal according to an embodiment of the present invention.
The reference numerals are explained below:
10: conductive part
12: shell body
14: contact element
16: sealing element
18: reinforcing element
30: side wall
50: substrate
52: surface electrode
54: electrical conductor
56: brazing filler metal
58: alloy base
60: low melting point alloy
62: back electrode
64: terminal with a terminal body
70: through hole
100: exposed surface
102: conduction part
140: terminal base
142: outer peripheral continuous portion
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings. In the following description, the same components are given the same reference numerals. The names and functions of these components are also the same. Therefore, detailed description of these components will not be repeated.
[ structural Explanation ]
Fig. 1 is a perspective view of the protection element of the present embodiment. Fig. 2 is a sectional view of the protective element of the present embodiment. In fig. 2, the protection element of the present embodiment is cut along the terminal 64 at the central portion. The structure of the protection element of the present embodiment will be described with reference to fig. 1 and 2.
The protection element of the present embodiment includes: a conductive portion 10, a housing 12, a contact 14, a seal 16, and a stiffener 18. The conductive portion 10 is a portion through which current flows. The housing 12 accommodates the conductive part 10. The contact 14 is accommodated in the housing 12 together with the conductive part 10. The seal member 16 covers the conductive portion 10 accommodated in the housing 12. The seal 16 seals the interior of the housing 12. The reinforcement 18 reinforces the case 12.
Fig. 3 is a plan view of the conductive part 10 of the present embodiment. In fig. 3, a portion of the brazing filler metal 56 is removed. The structure of the conductive part 10 of the present embodiment will be described with reference to fig. 1 to 3.
The conductive part 10 of the present embodiment includes: substrate 50, a pair of front electrodes 52, conductor 54, solder 56, alloy base 58, low-melting-point alloy 60, a pair of back electrodes 62, and a pair of terminals 64 and 64.
The substrate 50 is made of glass epoxy resin (the epoxy resin is impregnated into glass fibers and then heat-cured to form a plate-like material).
The surface electrode 52 is disposed on any surface of the substrate 50. In the present embodiment, the surface on which the surface electrode 52 is disposed is regarded as the front surface of the substrate 50. In the present embodiment, a copper foil is fixed as the front surface electrode 52 to the front surface of the substrate 50.
The conductor 54 is fixed to the front surface of the substrate 50. In the housing 12, the conductor 54 is fixed so as to face the inner peripheral surface of the housing 12. When an electric current flows, the conductive body 54 causes a part of the energy of the current to become hot. The conductive body 54 is automatically fused when the integrated value of joule heat reaches a predetermined value or more. The "joule heat integral value" is energy accumulated in the fuse element (in the present embodiment, the conductor 54 corresponds to the "fuse element"). The calculation formula of the integrated value of joule heat is well known, and therefore, will not be described repeatedly herein. In the case of the present embodiment, the conductor 54 is a wire. In the present embodiment, one end of the conductor 54 is connected to one of the surface electrodes 52. The other end of the conductor 54 is connected to the other end of the surface electrode 52. In the case of the present embodiment, the conductor 54 is made of tin-plated pure copper.
A solder pair 56 connects the surface electrode 52 with the electrical conductor 54. This allows conduction between the surface electrode 52 and the conductor 54. The solder pair 56 fixes the conductor 54 to the front surface of the substrate 50 via the surface electrode 52.
The alloy base 58 is fixed to the front surface of the substrate 50. The low melting point alloy 60 is fixed to the substrate 50 via the alloy base 58.
The low melting point alloy 60 is disposed on the front surface of the substrate 50 in the same manner as the conductor 54. The low melting point alloy 60 is also opposed to the inner peripheral surface of the case 12. In the case of the present embodiment, the low melting point alloy 60 covers the conductor 54 so as to straddle the central portion of the conductor 54. In the present embodiment, the "low-melting-point alloy" refers to an alloy that has a melting point equal to or lower than the temperature at which the conductor 54 melts and, if in a melted state, the conductor 54 dissolves. Such low melting point alloys 60 are well known. Therefore, a detailed description thereof will not be repeated here.
The back electrode 62 is disposed on a surface corresponding to the back surface when viewed from the front surface among the surfaces of the substrate 50. In the present embodiment, the surface is regarded as the back surface of the substrate 50. In the present embodiment, the back surface electrode 62 is a copper foil as in the case of the front surface electrode 52. One of the pair of back electrodes 62 is disposed at a position corresponding to the back surface of one of the pair of front electrodes 52. The other of the pair of back electrodes 62 is disposed at a position corresponding to the back surface of the other of the pair of front electrodes 52.
One of the pair of terminals 64 is connected to one of the pair of rear electrodes 62. The other of the pair of terminals 64 is connected to the other of the pair of rear electrodes 62. As shown in fig. 1, the terminals 64 penetrate the side wall 30 of the housing 12.
The substrate 50 has a through hole 70. In the case of the present embodiment, the substrate 50 has four through holes 70. One of the front electrodes 52 and one of the back electrodes 62 are connected to each other through the via hole 70. This allows conduction between one of the front electrodes 52 and one of the rear electrodes 62. The other of the front surface electrodes 52 and the other of the rear surface electrodes 62 are connected to each other through another via hole 70. As a result, the current flowing through one of the terminals 64 flows through the conductor 54 via one of the rear electrodes 62 and one of the front electrodes 52. The current flowing through the conductor 54 flows through the other of the rear surface electrodes 62 and the other of the front surface electrodes 52 and the other of the terminals 64.
Fig. 4 is a perspective view of the terminal 64 of the present embodiment. The structure of the terminal 64 of the present embodiment will be described with reference to fig. 4. The terminal 64 has an exposed surface 100 and a conduction portion 102. The exposed surface 100 is flat. The exposed surface 100 is exposed to the outside of the housing 12. In the present embodiment, the sum of the areas of the exposed surfaces 100 of the terminals 64 and 64 included in the protection element is larger than the surface area of the conductor 54. The conductive portion 102 electrically connects the exposed surface 100 to the conductor 54 via the back electrode 62.
In the present embodiment, the conduction portion 102 includes the terminal base 140 and the outer peripheral continuous portion 142. The terminal base 140 is connected to the rear surface electrode 62. Thereby, the terminal base 140 electrically connects the exposed surface 100 and the conductor 54. The terminal base 140 supports the exposed surface 100. The terminal base 140 projects the exposed surface 100 further than the edge 32 of the housing 12 and the seal 16 (see fig. 1). The outer peripheral continuous portion 142 forms a continuous surface. The continuous surface is the following: is connected to the outer periphery of the exposed surface 100, extends from the exposed surface 100 to the terminal base 140, and is exposed to the outside of the housing 12. The continuous surface is a curved surface protruding outward when viewed from the terminal base 140.
In the present embodiment, the exposed surfaces 100, 100 of the terminal pair 64, 64 are disposed on the same plane. That is, one exposed surface 100 of the pair of terminals 64, 64 and the other exposed surface 100 of the pair of terminals 64, 64 are disposed on the same plane.
[ description of the production method ]
The method for manufacturing a protection element of the present embodiment includes: a conductive portion forming step, a contact coating step, a housing accommodating step, and a covering step. The conductive portion 10 is formed in the conductive portion forming step. The specific process for forming the conductive portion 10 is the same as that of a known protective element formed on a substrate, and therefore, a detailed description thereof will not be repeated. In the contact coating step, a mixture of silica gel and particulate alumina is coated on the conductor 54 of the conductive part 10 (of course, the mixture may or may not contain particulate alumina). In the case housing step, first, the reinforcement 18 is fixed to the case 12. The housing 12 is previously manufactured by injection molding. The case 12 covers the conductive part 10. Thereby, the mixture applied in the contact coating process comes into contact with the conductor 54 and the reinforcement 18. Next, the mixture applied in the contact application step is cured. The cured mixture becomes the contact 14. In the covering step, the mixture of the epoxy resin that has not yet been cured and the particulate alumina is filled in the case 12. Thereby, the conductive part 10 in the case 12 is covered. Thereafter, the filled epoxy resin is cured. The epoxy resin cured mixture becomes the seal 16.
[ description of the method of use ]
The protection element of the present embodiment is used in the same manner as a known current fuse. That is, the protection element of the present embodiment is connected to a flat conductor not shown. As an example of the flat conductor, there is an electrode formed on the surface of a flat printed substrate. The protection element of the present embodiment is connected to a circuit, not shown, via the flat conductor. When a large current flows through the electric conductor 54, the temperature of the electric conductor 54 exceeds a prescribed temperature. When the joule heat integral value becomes equal to or higher than a predetermined value, the conductor 54 is fused. When an arc is generated after the fuse, the arc is extinguished inside the protection element. This interrupts the current flow in the circuit to which the protection element is connected.
[ Explanation of Effect ]
In the protection element of the present embodiment, since the exposed surface 100 is flat, when the exposed surface 100 is connected to a flat conductor, more heat can be transferred to the conductor. Since the exposed surface 100 transmits more heat, it is difficult for the integrated value of joule heat of the conductor 54 to reach a predetermined value or more than it is not. If it becomes difficult for the joule heat integral value of the conductor 54 to reach a predetermined value or more, more current can be caused to flow through the conductor 54. As a result, the rated current and the off current of the protection element are increased.
In the protection element of the present embodiment, the terminal base 140 electrically connects the exposed surface 100 and the conductor 54. The terminal base 140 supports the exposed surface 100. This forms a heat path from the conductor 54 to the exposed surface 100. As a path for heat is formed, heat flowing out of the electrical conductor 54 is also stored in the path. The continuous surface is in contact with the hot path. The continuous surface is exposed. Thereby, the heat stored in the heat path is discharged to the outside of the terminal 64. Since the heat is discharged, an increase in the integrated value of joule heat in the electric conductor 54 can be suppressed as compared with the case where the discharge of the heat is suppressed. If the increase in the integrated value of joule heat is suppressed, it becomes difficult for the integrated value of joule heat of the conductor 54 to reach a predetermined value or more. If it becomes difficult for the joule heat integral value of the conductor 54 to reach a predetermined value or more, more current can be caused to flow through the conductor 54. As a result, the rated current and the off current of the protection element are increased.
In the protective element according to the present embodiment, since the continuous surface protrudes, heat is easily discharged from the continuous surface, as compared with a case where the continuous surface is flat. If the boundary portion between the continuous surface and the exposed surface 100 is connected to the flat conductor together with the exposed surface 100 by another material such as solder, more heat is easily discharged to the flat conductor through the material. If the heat is easily discharged, an increase in the integrated value of joule heat in the electrical conductor 54 can be suppressed as compared with the case where the discharge of the heat is suppressed. As a result, the rated current and the off current of the protection element are increased.
In the protection element of the present embodiment, the sum of the areas of the exposed surfaces 100 of the terminal pair 64, 64 is larger than the surface area of the conductor 54. Thus, the heat flowing out of the conductor 54 is more easily discharged than in the case where the sum of the areas is smaller than the surface area. As a result, the rated current and the off current of the protection element are increased.
In the protection element of the present embodiment, the terminal base 140 projects the exposed surface 100 beyond the edge 32 of the case 12 and the seal 16. This prevents the edge 32 of the case 12 and the seal 16 from interfering with each other, thereby preventing the exposed surface 100 from coming into close contact with a flat conductor. If this possibility can be suppressed, the heat flowing out of the conductor 54 is easily discharged. As a result, the rated current and the off current of the protection element are increased.
In the protection element of the present embodiment, the exposed surfaces 100 and 100 of the terminal pairs 64 and 64 are disposed on the same plane. This can prevent one of the exposed surfaces 100, 100 from being obstructed by the other and from coming into close contact with the flat conductors disposed on the same plane. As a result of suppressing this possibility, when the exposed surfaces 100 and 100 of the terminal pair 64 and 64 are in close contact with flat conductors arranged on the same plane, heat flowing out of the conductor 54 is easily discharged. As a result, the rated current and the off current of the protection element are increased.
Description of the modified example
The above-described protection element is an example for embodying the technical idea of the present invention. The protective element described above can be variously modified within the scope of the technical idea of the present invention.
For example, the embodiment of the terminal 64 is not limited to the above-described embodiment and the following examples. This example has a flat surface exposed to the outside of the housing 12. The shape of the flat surface is not particularly limited. It may not be rectangular as in the above-described exposed surface 100. The flat surface may be circular, for example.
The structure and the embodiment of the conductive part 10 are not limited to those described above.
Claims (4)
1. A protective element, comprising:
an electric conductor which is fused when a joule heat integral value reaches a predetermined value or more;
a pair of terminals connected to the conductor; and
a housing that houses the electrical conductor,
characterized in that the terminal has:
a flat exposed surface exposed to the outside of the housing; and
and a conduction part for conducting the exposed surface and the conductor.
2. The protective element according to claim 1,
the conduction part has:
a terminal base portion that conducts the exposed surface and the conductor and supports the exposed surface; and
and an outer periphery continuous portion formed as a continuous surface connected to an outer periphery of the exposed surface, extending from the exposed surface to the terminal base portion, and exposed to an outside of the housing.
3. The protective element according to claim 2,
the continuous surface is a curved surface protruding outward when viewed from the terminal base.
4. The protective element according to claim 1,
the sum of the areas of the exposed surfaces in the terminal pair is larger than the surface area of the conductor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018219105A JP2020087652A (en) | 2018-11-22 | 2018-11-22 | Protection element |
| JP2018-219105 | 2018-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111211023A true CN111211023A (en) | 2020-05-29 |
Family
ID=70788139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911005836.XA Pending CN111211023A (en) | 2018-11-22 | 2019-10-22 | Protective element |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2020087652A (en) |
| CN (1) | CN111211023A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08227642A (en) * | 1995-02-21 | 1996-09-03 | Nec Kansai Ltd | Surface mounting type thermal fuse |
| JPH10308156A (en) * | 1997-05-08 | 1998-11-17 | Daito Tsushinki Kk | Fuse |
| JP2015219968A (en) * | 2014-05-14 | 2015-12-07 | 株式会社オートネットワーク技術研究所 | Connection device |
| WO2016039208A1 (en) * | 2014-09-12 | 2016-03-17 | デクセリアルズ株式会社 | Protection element and mounted body |
| WO2017130306A1 (en) * | 2016-01-27 | 2017-08-03 | エス・オー・シー株式会社 | Chip fuse and chip fuse production method |
| CN107210171A (en) * | 2015-02-05 | 2017-09-26 | 内桥艾斯泰克股份有限公司 | Protection element |
-
2018
- 2018-11-22 JP JP2018219105A patent/JP2020087652A/en active Pending
-
2019
- 2019-10-22 CN CN201911005836.XA patent/CN111211023A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08227642A (en) * | 1995-02-21 | 1996-09-03 | Nec Kansai Ltd | Surface mounting type thermal fuse |
| JPH10308156A (en) * | 1997-05-08 | 1998-11-17 | Daito Tsushinki Kk | Fuse |
| JP2015219968A (en) * | 2014-05-14 | 2015-12-07 | 株式会社オートネットワーク技術研究所 | Connection device |
| WO2016039208A1 (en) * | 2014-09-12 | 2016-03-17 | デクセリアルズ株式会社 | Protection element and mounted body |
| CN106796857A (en) * | 2014-09-12 | 2017-05-31 | 迪睿合株式会社 | Protection element and fixing body |
| CN107210171A (en) * | 2015-02-05 | 2017-09-26 | 内桥艾斯泰克股份有限公司 | Protection element |
| WO2017130306A1 (en) * | 2016-01-27 | 2017-08-03 | エス・オー・シー株式会社 | Chip fuse and chip fuse production method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2020087652A (en) | 2020-06-04 |
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