CN109216112A - fuse element - Google Patents
fuse element Download PDFInfo
- Publication number
- CN109216112A CN109216112A CN201810742011.5A CN201810742011A CN109216112A CN 109216112 A CN109216112 A CN 109216112A CN 201810742011 A CN201810742011 A CN 201810742011A CN 109216112 A CN109216112 A CN 109216112A
- Authority
- CN
- China
- Prior art keywords
- lead
- fuse element
- shell
- flux
- alloy
- 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.)
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Classifications
-
- 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
- H01H37/761—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit
-
- 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
- H01H37/761—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit
- H01H2037/762—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit using a spring for opening the circuit when the fusible element melts
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Fuses (AREA)
Abstract
The present invention provides rated current and the big fuse element of voltage rating.Fuse element has shell, the 1st lead of plate and the 2nd lead and flux, the joining zone of 1st lead and the 2nd lead is overlapped, and it is electrically connected in the state of having acted on separating force by low-melting-point metal, 1st lead and the 2nd lead are configured to, terminal area is prominent from shell, joining zone is located at the inside of shell, and the flux is filled in the inside of the shell.
Description
Technical field
The present invention relates to fuse elements, in particular to temp fuse element.
Background technique
In the case where the temperature anomaly of electric device is got higher, need to block the electric current for flowing through electric device electrical to ensure
The safety of device.Generally, temp fuse element is used as the means for blocking electric current.
Past, as temperature fuse, it is known that alloy type temp fuse and heat as being recorded patent document 1 and 2
Quick granular type temperature fuse etc..Alloy type temp fuse will use fuse element to be electrically connected between two leads, which is applied
Flux is applied, and then is sealed by ceramic tube, epoxy resin etc..For alloy type temp fuse, if being more than given temperature, melt
Silk element will melt, and be pulled by its surface tension to two leads, flux is flowed between two leads, thus hinders electric current
It is disconnected.It is electrically connected between two leads of temperature-sensitive granular type temperature fuse via switch movable link and metal shell, it can switching
Between dynamic component and lead, switch movable link is pushed to a lead by spring-load to keep being electrically connected.It is such
Spring-load is kept by the pushing force of temperature-sensitive particle.In temperature-sensitive granular type temperature fuse, if being more than given temperature
Degree, then temperature-sensitive particle will melt, and the spring-load thus carried by switch movable link will lower, and thus switch movable structure
Part is isolated from lead, as a result, electric current is blocked.
Existing technical literature
Patent document
Patent document 1:JP special open 2010-140710 bulletin
Patent document 2:JP special open 2009-105038 bulletin
It is relatively high due to constituting the resistance of low-melting-point metal of fuse element in above-mentioned alloy type temp fuse, and
And the section vertical with the sense of current for flowing through fuse element is difficult to be increased, therefore the resistance of fuse element itself compares
It is high.Therefore, if flowing through big electric current, fuse element will generate heat, fuse, therefore alloy type temp fuse presence is difficult to volume
Constant current is set to be large such problems.In addition, since the fusing of fuse element is nature fusing, fuse element itself
Fusing and the inflow of flux are slow, are lower such problems there is also proof voltage.Temperature-sensitive granular type temperature fuse will be by that will open
Pass movable link is pressed to lead and is electrically connected the two.That is, due to being the simple connection based on contact, resistance can become
It is high.Accordingly, there exist be difficult to rated current being set to be large such problems.For this reason, existing temperature fuse is very
It is difficult individually especially to need high current and the equipment of big voltage corresponding with electric tool etc..
Summary of the invention
Therefore, the fuse element big the object of the present invention is to provide rated current and voltage rating.
It is that inventor of the invention discusses with keen determination as a result, discovery: by make two plates lead be overlapped and by they
It is connected with low-melting-point metal, connection area can be increased and reduced and draw wire spacing, thus, it is possible to increase rated current.In addition, this hair
Bright inventor's discovery: by by two leads in the state of being applied the power in the direction for both making to be isolated low-melting-point metal
The fusing being able to achieve in the short time in the case where movement has occurred in fuse element in connection, and thus, it is possible to improve voltage rating.Into
And present inventors found that: by the way that contact portion is enclosed in shell together with flux, when two leads have been isolated,
Flux can be made to flow between lead in a short time, thus, it is possible to improve voltage rating.Inventor of the invention be based on these opinions and
Obtain the present invention.
A main idea according to the present invention, provides a kind of fuse element, the 1st lead and the 2nd with shell, plate
The joining zone of lead and flux, the 1st lead and the 2nd lead is overlapped, and in the state of having acted on separating force
It is electrically connected by low-melting-point metal, the 1st lead and the 2nd lead are configured to, and terminal area is prominent from shell, are connect
Point region is located at the inside of shell, and the flux is filled in the inside of the shell.
Another main idea according to the present invention, provides the electric device characterized by with above-mentioned fuse element.
Invention effect
According to the present invention, by two leads are overlapped and connected in the state of having acted on separating force, Jin Ertong
Flux is housed in shell together, can provide the fuse element with high rated current and high voltage-rated.
Detailed description of the invention
Fig. 1 is the sectional view of the fuse element 1a of one embodiment of the present invention.
Fig. 2 is the top view in the case where the inside of the fuse element 1a of Fig. 1 viewed from above.
Fig. 3 be indicate Fig. 1 fuse element 1a movement after state sectional view.
Fig. 4 is the vertical view in the case where the inside of the fuse element with joining zone of other modes viewed from above
Figure.
Fig. 5 is the vertical view in the case where the inside of the fuse element with joining zone of other modes viewed from above
Figure.
Fig. 6 is the sectional view of the fuse element 1b of other modes of the invention.
Fig. 7 be indicate Fig. 6 fuse element 1b movement after state sectional view.
Description of symbols
1a fuse element
1b fuse element
2 shells
3 the 1st leads
4 the 2nd leads
5 flux
6 the 1st joining zones
7 the 2nd joining zones
8 low-melting-point metals
10 the 1st terminal areas
11 the 2nd terminal areas
15 through holes
16 necking parts
Specific embodiment
An embodiment of the invention is described in detail with reference to the attached drawings.
Fuse element 1a of the invention substantially has Fig. 1 and structure as shown in Figure 2.Specifically, fuse element 1a
With shell 2, the 1st lead 3 of plate and the 2nd lead 4 and flux 5.1st lead 3 and each comfortable one end of the 2nd lead 4
With the 1st joining zone 6 and the 2nd joining zone 7, these joining zones are overlapped, and are electrically connected by low-melting-point metal 8
It connects.1st joining zone 6 and the 2nd joining zone 7 are in the power (following also referred to as " separation for being applied the direction that the two is isolated
Power ") in the state of engaged by low-melting-point metal 8.1st lead 3 and each leisure of the 2nd lead 4 and that end phase of joining zone side
Anti- side has the 1st terminal area 12 and the 2nd terminal area 13.1st lead 3 and the 2nd lead 4 are configured to, the 1st end
Subregion 12 and the 2nd terminal area 13 are prominent from shell 2, and the 1st joining zone 6 and the 2nd joining zone 7 are located at shell 2
It is internal.Flux 5 is filled in the inside of shell 2.In fuse element 1a of the invention, the 1st lead 3, low-melting-point metal 8 and
2nd lead 4 is electrically connected according to the sequence.Fuse element 1a of the invention when abnormal, i.e., is more than to give in the temperature of fuse element
In the case where fixed temperature, low-melting-point metal 8 can soften, melt, and the engaging force between the 1st lead and the 2nd lead can die down, and the 1st
Lead and the 2nd lead can be isolated because of the separating force to work in joining zone, as a result, can be by current blocking.Draw the 1st
When line and the 2nd lead are isolated, the 1st lead and the 2nd lead that the flux being present in around them is moved are released and are flowed into
Between 1st lead and the 2nd lead, keep the insulation of the two relatively reliable.
Above-mentioned 1st lead and the 2nd lead are electric conductivity, are not particularly limited as long as plate.
The flat shape of above-mentioned 1st lead and the 2nd lead is not particularly limited, and is rectangle preferably as entirety.In addition,
So-called " being rectangle as a whole " refers in the situation for ignoring through hole, necking section etc. or is assumed to that through hole is not present
It and is rectangle in the case where necking section.
As the material for constituting above-mentioned 1st lead and the 2nd lead, be not particularly limited, for example, can enumerate copper, iron,
Zinc, tin, phosphorus, nickel, aluminium, beryllium, cobalt, manganese, chromium and their alloy, preferably copper and copper alloy.
The thickness of above-mentioned 1st lead and the 2nd lead is not particularly limited, for example, can be 100 μm or more and 2.0mm with
Under, preferably 200 μm or more and 1.0mm or less.Separating force can be adjusted by adjusting the thickness of lead.
Part or all of surface can be coated by above-mentioned 1st lead and the 2nd lead.It is above-mentioned in a mode
Whole face is coated by the 1st lead and the 2nd lead.In other modes, above-mentioned 1st lead and the 2nd lead are only by terminal area
It is coating.Here, so-called " terminal area ", refers to the portion used in order to which fuse element of the invention to be connect with other electric elements
Point, typically from shell part outstanding.In other modes, above-mentioned 1st lead and the 2nd lead are only by joining zone quilt
It covers.Here, so-called " joining zone ", refers to the part being electrically connected directly or via low-melting-point metal with another lead.Pass through
The surface of lead is coated, zygosity, the oxidative resistance etc. with the zygosity of low-melting-point metal and other electric elements can be improved.
Above-mentioned coating method is arranged to be not particularly limited, vapor deposition, plating etc. can be enumerated, it is preferable to use plating.
The material that lead is coated is not particularly limited, such as tin, nickel, copper, preferably nickel can be enumerated.
As by the low-melting-point metal of above-mentioned 1st lead and the 2nd wire bonding, it is not particularly limited, such as can enumerate
Sn, Bi-Cd alloy, Bi-Pb alloy, Sn-Ag alloy, Sn-Ag-Bi-In alloy, Sn-Ag-Cu alloy, Sn-Ag-Cu-Bi are closed
Gold, Sn-Ag-Cu-Bi-In alloy, Sn-Ag-Cu-Co-Ni alloy, Sn-Ag-Cu-Sb alloy, Sn-Ag-Ni-Co alloy, Sn-
Bi alloy, Sn-Bi-Ag alloy, Sn-Bi-Cd alloy, Sn-Bi-In alloy, Sn-Bi-Pb alloy, Sn-Bi-Pb-Cd alloy,
Sn-Bi-Pb-Cd-In alloy, Sn-Bi-Pb-In alloy, Sn-Bi-Zn alloy, Sn-Cu alloy, Sn-Cu-Ni alloy, Sn-Cu-
Ni-P-Ge alloy, Sn-Cd alloy, Sn-In alloy, Sn-Pb alloy, Sn-Pb-Cd alloy, Sn-Zn alloy and Sn-Sb are closed
Gold, Sn-Bi-Zn alloy, Sn-Bi-In-Zn alloy, Sn-In-Zn alloy, In-Bi alloy, In-Zn alloy, In-Ag alloy etc..
It is preferable to use In-Bi alloys, Sn-In-Zn alloy.
Above-mentioned low-melting-point metal can exist throughout the whole face of joining zone, also can be only present in a part.At one
In mode, low-melting-point metal is present in a part of joining zone.For example, can be joining zone there are the region of low-melting-point metal
60.0% or more, preferably 80.0% or more, further preferred 90.0% or more and 99.9% hereinafter, for example can be 99.0% with
It is lower or 95.0% or less.In a mode, there are the region of low-melting-point metal can be joining zone 60.0% or more and
99.9% hereinafter, for example can be 80.0% or more and 99.0% hereinafter, or 90.0% or more and 95.0% or less.In preferred side
In formula, low-melting-point metal is present in the whole face of the essence of joining zone.
In a mode, above-mentioned low-melting-point metal is present in the 1st joining zone of lead and connecing for the 2nd lead with stratiform
Between point region.In such mode, the thickness of the layer of low-melting-point metal is not particularly limited, for example, can be 500 μm with
Under, preferably 300 μm hereinafter, and can be 10 μm or more, preferably 30 μm or more, more preferable 60 μm or more.By by low-melting-point metal
The thickness of layer be set as 500 μm hereinafter, the resistance between the 1st lead and the 2nd lead can be reduced.By more reducing the thickness, energy
More reduce resistance.In addition, the 1st lead and the 2nd lead can be made by the way that the thickness of the layer of low-melting-point metal is set as 10 μm or more
Between engagement it is relatively reliable.By more increasing the thickness, the intensity of engagement can be more improved.
The area of the joining zone of 1st lead and the 2nd lead is not particularly limited, such as can be 1mm respectively2With
On, preferably 2mm2More than, more preferable 5mm2More than, further preferred 10mm2More than.By increasing such area, the can be reduced
Resistance between 1 lead and the 2nd lead.
The joint method of 1st lead and the 2nd lead is not particularly limited.The 1st lead as used in the present invention with
And the 2nd lead be plate, and engaged in the state of coincidence, therefore can be engaged by Reflow Soldering.In addition, passing through back
The time point that fluid welding is engaged does not act on separating force in the 1st lead and the 2nd lead.In the case where carrying out Reflow Soldering, such as
Can in the state that low-melting-point metal is coated in a lead, by low-melting-point metal coated in the state of two leads or
Reflow Soldering is carried out in the state of clipping low-melting-point metal piece with lead.
The 1st lead 3 and the 2nd lead 4 engaged via low-melting-point metal 8 is configured to, the 1st terminal area 12 and the 2nd
Terminal area 13 is prominent from shell 2, and joining zone 6,7 is located at the inside of shell 2.In the present embodiment, the 1st lead 3 and
2nd lead 4 is fixed and being supported by the wall of shell 2.When the 1st lead 3 and the 2nd lead 4 are fixed, being fixed into makes
Separating force acts on the joint portion of lead.For example, as shown in Figure 1, by that will consolidate to the 1st lead 3 and the 2nd lead 4
Fixed height is set as different height, so that each lead is bent in the inside of shell 2, acts on separating force to joint portion.That is, at this
In the fuse element of invention, lead can also have the function as leaf spring.If fuse element act and make low-melting-point metal soften or
Melting, then the connection between the 1st lead 3 and the 2nd lead 4 is released from, and two leads are isolated because of above-mentioned separating force.In the present invention,
Movable lead will occur when temperature fuse acts and be referred to as " travelling contact ", movable lead will not occur, and referred to as " fixation connects
Point ".For example, in the present embodiment, activity is at mutually isolated, the 1st lead 3 due to two leads flexures and in movement
And the 2nd lead 4 be all travelling contact.
Above-mentioned flux 5 is filled in the inside of shell 2.The flux fuse element have occurred movement in the case where flow by every
From the 1st lead 3 and the 2nd lead 4 between (for example, as shown in the arrow of Fig. 3 and Fig. 7).In the present invention, due to
At least one lead is travelling contact, therefore by the activity of the travelling contact, and the intracorporal flux of shell can form to be pushed out
It is flowed between the 1st lead 3 and the 2nd lead 4.Therefore, in the present invention, flux is to the inflow between the 1st lead 3 and the 2nd lead 4
Speed is fast.It is flowed between the 1st lead 3 and the 2nd lead 4, can be improved exhausted between the 1st lead 3 and the 2nd lead 4 by flux
Edge, and the generation of electric arc can be inhibited.
Above-mentioned flux 5 includes the preferably 50 volume % of the inner space (except the part that lead here, will be present) of shell 2
More than, more preferable 80 volume % or more, further preferred 90 volume % or more, more further preferred 95 volume % or more, example
Such as 100 volume % of essence.Amount by making flux is the 50 volume % or more of inner space, and more flux can be promoted to contact areas
It is flowed between domain.By keeping the amount of flux more, more flux can be promoted to flow between joining zone.
The material of above-mentioned flux 5 is not particularly limited as long as having mobility under the operating temperature of temperature fuse, can make
The flux well known to rosin series flux, organic acid etc..
Above-mentioned shell 2 inside it space receiving the 1st lead and the 2nd lead joint portion and flux.In addition, as above-mentioned
Like that, shell 2 can also work as the supporting part of the 1st lead of bearing and the 2nd lead.
The material for constituting above-mentioned shell 2 can for example enumerate LCP (Liquid Crystal Polymer, liquid crystal polymer) tree
Rouge, polyamide resin, PPS (Poly Phenylene Sulfide, polyphenylene sulfide) are resin, PLA (Polylactic
Acid, polylactic acid) resin, ABS (Acrylonitrile-Butadiene-Styrene, acrylonitrile-butadiene-styrene (ABS)) tree
Rouge, PE resin, PP resin, epoxy resin etc. are, it is preferable to use LCP resin or PPS resin.
The thickness of the wall surface of above-mentioned shell 2 can be preferred 0.1mm or more and 10.0mm hereinafter, more preferably 0.6mm or more and
5.0mm is hereinafter, such as 0.6mm or more and 3.0mm or less or 0.6mm or more and 2.0mm or less.By reducing the thickness of wall surface,
Be conducive to the miniaturization of fuse element.In addition, by increase wall surface thickness, wall in the 1st lead and the 2nd lead extremely
In the case that a few side supports, it can make to support relatively reliable.
Fuse element of the invention can will connect since the 1st lead and the 2nd lead are plate and are mutually connected with face
The area in point region ensures greatly.That is, can by the low-melting-point metal that the 1st lead and the 2nd lead are engaged, with flow through electricity
The area in the vertical section in the direction of stream ensures greatly.In addition, low-melting-point metal can be thinned since two leads can be made close
Layer.Therefore, because the sectional area of the higher low-melting-point metal of resistance ratio becomes larger and electric current flows through the distance change of low-melting-point metal
It is small, therefore the resistance between the 1st lead and the 2nd lead becomes smaller.Therefore, fuse element of the invention can have big rated current.Separately
Outside, fuse element of the invention is in movement, due to thering is separating force to work in the contact area of the 1st lead and the 2nd lead, because
This can ensure the insulation distance between two leads in a short time.In turn, fuse element of the invention in shell due to being filled with
Flux, therefore when the 1st lead and the 2nd lead have been isolated, flux can be flowed into rapidly between the joining zone of two leads, can be really
The insulation between two leads is protected, and electric arc can be inhibited.Therefore, fuse element of the invention can have high voltage rating.According to
More than, fuse element of the invention can have both high rated current and high voltage-rated as temp fuse element.
As described above, fuse element of the invention is due to fitting with high rated current and high voltage rating
In use in various electric devices.Therefore, the present invention also provides the electrical dresses for being characterized by having fuse element of the invention
It sets.
An embodiment of the invention is explained above, but fuse element of the invention can make various changes.
In a mode, at least one party in the 1st lead and the 2nd lead can have through hole 15 in its movable part
(Fig. 4), necking part 16 (Fig. 5) etc..By having through hole or necking down in movable part, in movement, flux can pass through perforation
Hole or necking down, therefore can be flowed into a shorter time between the 1st lead and the 2nd lead.The 1st when can improve movement as a result, draws
Insulating properties between line and the 2nd lead, and the generation due to can more inhibit electric arc, proof voltage get a promotion.
In other modes, in the above-described embodiment, the 1st lead and the 2nd lead are only supported by the wall of shell side,
But it can also be supported by the way that a part is fixed on bottom surface in the inner space of shell.For example, being in inner space
Lead can from by wall surface protrusion outstanding be fixed in inner space lead length 10% until,
Until 30%, until 50% or until 70%.
, can be as shown in Figure 6 in other modes, the portion in inner space of a lead, such as the 2nd lead
Bottom surface can be all fixed on by dividing.In this way, by the part in inner space all fixed 2nd lead of the invention molten
Fixed contact is understood as in silk element.In this case, another the 1st lead becomes travelling contact.That is, in this approach, the 1st
A side in lead and the 2nd lead is fixed contact, and another party is travelling contact.It is had occurred in the fuse element of the method dynamic
In the case where work, only the 1st lead is moved upward, the 1st lead and the isolation of the 2nd lead.In this case, also with above-mentioned implementation
Mode is same, and flux is flowed between the 1st lead and the 2nd lead (Fig. 7).
[embodiment]
Embodiment
Prepare fuse element as shown in Figure 1.The details of each component is as described below.
1st lead and the 2nd lead:
Material: C5210-1/2H
Thickness: 150 μm
Width: 4mm
Length in shell: 8mm
The difference of the height of the fixed part of 1st lead and the 2nd lead: 1mm
Low-melting-point metal
Material: In-Bi alloy
Flux
Resin system solid fluxing agent (S17) is flux
Shell
Material: PLA resin
Sidewall thickness: 1mm
Other
The area of contact portion: 8mm2
(evaluation)
Apply the electric current of 24A, 12V to above-mentioned fuse element.It observes 60 minutes in this state, it is not special in fuse element
Although to variation.That is, fuse element of the invention be identified can there is no problem ground energization 24A electric current.Therefore, of the invention
Fuse element is identified the high current that can be powered.
In addition, measuring resistance value while temperature is gradually increased from above-mentioned state.Resistance value is anxious nearby at 110 DEG C
Increase severely plus, electric current is blocked, therefore fuse element is acted with being identified that there is no problem.
In turn, the joining zone after the movement of observation fuse element.As a result, not seeing especially on the surface of each lead different
Often.Therefore, fuse element of the invention is identified proof voltage brilliance.
Industrial Availability
Fuse element of the invention is consequently adapted to due to that can have high rated current and high voltage-rated using various
It electric device, particularly needs in the electric device of high current and high voltage.
Claims (6)
1. a kind of fuse element has shell, the 1st lead of plate and the 2nd lead and flux, the feature of the fuse element
It is,
The joining zone of 1st lead and the 2nd lead is overlapped, and passes through in the state of having acted on separating force
Low-melting-point metal electrical connection,
1st lead and the 2nd lead are configured to, and terminal area is prominent from shell, and joining zone is located at shell
Inside,
The flux is filled in the inside of the shell.
2. fuse element according to claim 1, which is characterized in that
A side in 1st lead and the 2nd lead is fixed contact, and another party is travelling contact.
3. fuse element according to claim 1, which is characterized in that
1st lead and the 2nd lead are all travelling contacts.
4. fuse element according to claim 2 or 3, which is characterized in that
There is necking section in the movable part of the lead as the travelling contact.
5. fuse element according to claim 2 or 3, which is characterized in that
There is through hole in the movable part of the lead as the travelling contact.
6. a kind of electric device, which is characterized in that
With fuse element according to any one of claims 1 to 5.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017132918A JP2019016507A (en) | 2017-07-06 | 2017-07-06 | Fuse element |
| JP2017-132918 | 2017-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109216112A true CN109216112A (en) | 2019-01-15 |
Family
ID=64990360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810742011.5A Pending CN109216112A (en) | 2017-07-06 | 2018-07-06 | fuse element |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2019016507A (en) |
| CN (1) | CN109216112A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113597657A (en) * | 2019-03-28 | 2021-11-02 | 迪睿合株式会社 | Protective element |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1906101U (en) * | 1964-07-30 | 1964-12-10 | Licentia Gmbh | OVERHEATING PROTECTION. |
| US3242290A (en) * | 1962-02-20 | 1966-03-22 | Robertshaw Controls Co | Thermally responsive switch construction and method of making the same |
| GB2077500A (en) * | 1980-05-13 | 1981-12-16 | Spirig Ernest | Thermal fuse |
| CN87202571U (en) * | 1987-03-02 | 1988-04-27 | 尹丹明 | Reset temp. limiter |
| CN2130284Y (en) * | 1992-04-28 | 1993-04-21 | 戴延平 | High-reliability thermal-fusing type electric appliance protection element |
| JP2009105038A (en) * | 2007-10-05 | 2009-05-14 | Nec Schott Components Corp | Temperature-sensitive pellet type thermal fuse |
| JP2010140710A (en) * | 2008-12-10 | 2010-06-24 | Uchihashi Estec Co Ltd | Alloy type thermal fuse |
-
2017
- 2017-07-06 JP JP2017132918A patent/JP2019016507A/en not_active Withdrawn
-
2018
- 2018-07-06 CN CN201810742011.5A patent/CN109216112A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3242290A (en) * | 1962-02-20 | 1966-03-22 | Robertshaw Controls Co | Thermally responsive switch construction and method of making the same |
| DE1906101U (en) * | 1964-07-30 | 1964-12-10 | Licentia Gmbh | OVERHEATING PROTECTION. |
| GB2077500A (en) * | 1980-05-13 | 1981-12-16 | Spirig Ernest | Thermal fuse |
| CN87202571U (en) * | 1987-03-02 | 1988-04-27 | 尹丹明 | Reset temp. limiter |
| CN2130284Y (en) * | 1992-04-28 | 1993-04-21 | 戴延平 | High-reliability thermal-fusing type electric appliance protection element |
| JP2009105038A (en) * | 2007-10-05 | 2009-05-14 | Nec Schott Components Corp | Temperature-sensitive pellet type thermal fuse |
| JP2010140710A (en) * | 2008-12-10 | 2010-06-24 | Uchihashi Estec Co Ltd | Alloy type thermal fuse |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113597657A (en) * | 2019-03-28 | 2021-11-02 | 迪睿合株式会社 | Protective element |
| TWI838498B (en) * | 2019-03-28 | 2024-04-11 | 日商迪睿合股份有限公司 | Protection element |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019016507A (en) | 2019-01-31 |
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Application publication date: 20190115 |