CN202749239U - Electric contact device and thermal fuse using the same - Google Patents
Electric contact device and thermal fuse using the same Download PDFInfo
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- CN202749239U CN202749239U CN 201220313044 CN201220313044U CN202749239U CN 202749239 U CN202749239 U CN 202749239U CN 201220313044 CN201220313044 CN 201220313044 CN 201220313044 U CN201220313044 U CN 201220313044U CN 202749239 U CN202749239 U CN 202749239U
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- electical connector
- agcuonio
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- 239000011159 matrix material Substances 0.000 claims abstract description 75
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 239000010949 copper Substances 0.000 claims abstract description 10
- 239000004411 aluminium Substances 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000007667 floating Methods 0.000 claims description 53
- 239000000126 substance Substances 0.000 claims description 35
- 239000007787 solid Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 3
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- 229910052751 metal Inorganic materials 0.000 abstract description 3
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- 239000010970 precious metal Substances 0.000 abstract 1
- 125000006850 spacer group Chemical group 0.000 description 29
- 229910001316 Ag alloy Inorganic materials 0.000 description 14
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 10
- 239000000047 product Substances 0.000 description 10
- 229910052709 silver Inorganic materials 0.000 description 10
- 239000004332 silver Substances 0.000 description 10
- 230000003064 anti-oxidating effect Effects 0.000 description 8
- 238000012545 processing Methods 0.000 description 8
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- 150000001875 compounds Chemical class 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 4
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- 238000013461 design Methods 0.000 description 3
- 229910000510 noble metal Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
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- 229910001416 lithium ion Inorganic materials 0.000 description 2
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
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- 229910052729 chemical element Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229960004643 cupric oxide Drugs 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides an electric contact device and a thermal fuse using the same. The electric contact device comprises a matrix with a plurality of surfaces, wherein an AgCuoNiO layer is arranged on at least one surface of the matrix. The electric contact device and the thermal fuse using the same, use the cheap metal as the matrix, such as copper or aluminium, thus optimizing the contact characteristic of the existing electric contact device, saving the use level of the precious metal materials, and significantly reducing the production cost at the same time.
Description
Technical field
The utility model relates to a kind of Electical connector and a kind of thermal cut-off that comprises this device.
Background technology
Electical connector is key device logical in preparation electric power, the appliance circuit, that interrupt control and load current electrical equipment etc., its performance has determined connecting-disconnecting function and the contact reliability of electric equipment, and application is all arranged in appliance switch, relay, starter and instrument and meter.Electical connector of the prior art uses noble silver or its compound to make more, yet the at normal temperatures easily oxidation of silver and compound thereof forms oxide layer, easily affects its electric conductivity, and useful life is shorter.Silver is a kind of noble metal in addition, if use silver or its compound electrogenesis in next life contact device fully, production cost is high.
Thermal cut-off is one of equipment of the most normal use Electical connector, thermal cut-off also is Thermal Cutoffs, be a kind of disposable temperature sense loop shearing device, what produce in the improper running of energy induction apparatus electronic product is overheated, thereby cut-off loop is to avoid the generation of fire; Usually in the electric device that is applied to produce heat such as air-conditioning, electric iron, electric rice cooker, motor, water dispenser, when the device interior current overload, when ambient temperature rose to specified temp, thermal cut-off is interruptive current automatically, prevented excess Temperature damage equipment inner body.Electical connector plays a part crucial in thermal cut-off, and its performance quality can directly have influence on the performance of electronic equipment.
The utility model content
The utility model embodiment provides a kind of Electical connector and a kind of thermal cut-off that comprises this device, can be in the use that keeps maximized minimizing noble metal on the basis of electrical contact performance, thus saved production cost.
On the one hand, the utility model embodiment provides the Electical connector of a kind of AgCuONiO, comprises matrix and an AgCuONiO layer with first surface, and a described AgCuONiO layer is arranged on the first surface of described matrix;
Above-mentioned Electical connector also comprises the 2nd AgCuONiO layer, and its matrix also comprises second surface, and described the 2nd AgCuONiO layer is arranged on the second surface of described matrix;
Above-mentioned Electical connector is the star contact, and its matrix is laminated structure, and described first surface and second surface are positioned at the opposite side of described matrix;
Above-mentioned Electical connector comprises star contact and floating nail, and the opposite side of described floating nail arranges respectively the 3rd surface and the 4th surface; Described matrix is star contact matrix, and described star contact matrix is laminated structure, and described first surface and second surface are positioned at the opposite side of described star contact matrix;
Above-mentioned Electical connector also comprises the 3rd AgCuONiO layer and the 4th AgCuONiO layer, and described the 4th AgCuONiO layer is arranged on upper and/or described the 3rd AgCuONiO layer in the 4th surface of described floating nail and is arranged on the 3rd surface of described floating nail;
The thickness of described floating the 4th AgCuONiO layer that nails on of above-mentioned Electical connector is at least 0.012 inch;
The thickness of the described star contact of above-mentioned Electical connector is the 0.003-0.004 inch, and arbitrary layer thickness of described first, second AgCuONiO layer is the 0.0005-0.001 inch;
The described matrix of above-mentioned Electical connector is the metallic matrix of copper or aluminium;
A kind of thermal cut-off comprises above-mentioned Electical connector;
Above-mentioned thermal cut-off also comprises:
Axisymmetric housing; Described housing comprises first end and the second end,
The first wire is connected with the first end of described housing, and stretches out;
The second wire is connected with the second end of described housing, and stretches out;
The temperature-sensitive organic substance is arranged on described enclosure interior and near the first end of housing;
Described Electical connector is between temperature-sensitive organic substance and the second wire;
The first biasing member is between described temperature-sensitive organic substance and Electical connector;
The second biasing member is between described Electical connector and the second wire;
When described temperature-sensitive organic substance is solid-state, described temperature-sensitive organic substance and the first biasing member and the mutual resiliency supported of the second biasing member, described the first biasing member is pushed to the direction of the second wire so that Electical connector and the second wire conducting with described Electical connector; Described the first wire is by housing, and Electical connector is with the second wire circuit conducting;
When described temperature-sensitive organic substance is liquid state or gaseous state from Solid State Transformation, described temperature-sensitive organic substance disconnects the support with described the first biasing member and described the second biasing member, and the second biasing member is pushed to away from the direction of the second wire described Electical connector to disconnect contacting of described Electical connector and the second wire.
The Electical connector of the utility model embodiment has been saved production cost to greatest extent by adopting composite construction to reduce the use amount of noble silver.Mainly be to assign to replace the part silver alloy by matrix part is set, then on the surface of matrix the AgCuONiO layer is set as required, various performances such as extensibility, conductivity, corrosion resistance and the arc extinguishing etc. that can keep like this Electical connector to have having with Electical connector of the prior art, simultaneously, the utility model product has also been saved the use amount of silver or silver alloy greatly.
The matrix of the Electical connector of the utility model embodiment can use copper as matrix, because the current distributing ability of the electrical contact of copper, the combination properties such as conductive capability and discontinuous current characteristic are all relatively good, within the cycle in useful life, the performance uniformity of material is also higher, it is the most approaching with silver on conduction and thermal conductive property in addition, so can replace silver or silver alloy with the copper base, so just, greatly reduce the cost of product, can also use more common aluminium as matrix, equally also reach to a certain extent the use amount of saving noble metal on the basis of the original mechanical performance that keeps in touch device.
Because the product of the utility model embodiment has preferably mechanical performance, it is better to electrically contact ability, can be widely used in various thermal cut-ofves and other electric equipment etc., and the properties of product cost ratio is high.
The utility model embodiment has also protected a kind of thermal cut-off; described thermal cut-off comprises a kind of above-mentioned Electical connector; this Electical connector comprises the star contact; this star contact has lamination layer structure; two outer surfaces at its matrix are provided with the AgCuONiO layer; so that the mechanical performance of Electical connector raising, and the use amount of having saved silver alloy.Described Electical connector can also comprise the star contact that contacts with each other and floating nail, the AgCuONiO layer be arranged on the star contact and floating follow closely be in contact with one another or with contact-making surface that other elements contact on.The electric current that described floating nail can improve thermal cut-off holds carrying capacity, can allow larger electric current to pass through, and makes thermal cut-off of the present utility model be applicable to relatively large electric equipment, has also saved simultaneously the use amount of noble silver.
Description of drawings
Fig. 1 is a kind of Electical connector schematic diagram that one of the utility model embodiment provides;
Fig. 2 is a kind of Electical connector schematic diagram that one of the utility model embodiment provides;
Fig. 3 A and Fig. 3 B are the thermal cut-off schematic diagrames under a kind of different conditions of providing of one of the utility model embodiment;
Fig. 4 A and Fig. 4 B are the thermal cut-off schematic diagrames under the another kind of different conditions that provides of one of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the technical solution of the utility model is described further.
Embodiment 1
The utility model embodiment provides a kind of Electical connector, comprises matrix and silver alloy AgCuONiO layer, and described matrix can be all conductive materials, and modal is metal material, aluminium base such as the copper base, cost-saved.Described matrix has first surface, and an AgCuONiO layer is arranged on the first surface of matrix, consists of a kind of two-layer compound electric contact device.Described AgCuONiO layer can be arranged on one of them outer surface of described matrix as required, also can be arranged on two or more outer surfaces.Described AgCuONiO layer is to be formed by number of chemical element chemical combination, wherein Ag(silver) content is greater than 95%, CuO(cupric oxide), the NiO(nickel oxide) content be no more than 5%.Described AgCuONiO layer can guarantee that the Electical connector that present embodiment provides has the characteristics such as good extensibility, conductivity, corrosion resistance and arc extinguishing, therefore such composite construction is so that the Electical connector that present embodiment provides has more outstanding performance in actual applications, can be widely used in having larger economic benefit in the electric equipment.On this basis, described matrix also can be provided with second surface, the 2nd AgCuONiO layer is arranged on the second surface of matrix, consist of a kind of three layers compound electric contact device, when increasing conductivity, extensibility and corrosion resistance, also saved like this operation that operating personnel distinguish the matrix positive and negative in concrete production process.Described matrix can be designed to different stereochemical structures and adapt to different product demands, such as sheet, and the square shape, spherical, cap shape, spike etc.
In addition, the AgCuONiO layer can be arranged on the matrix by diverse ways as required, and such as applying or bonding being arranged on the matrix by electroplating, it is first-class also can to make the AgCuONiO layer be arranged on matrix by other technologies.
The Electical connector of the utility model embodiment can be installed on the thermal cut-off or appliance switch etc.When the product of the utility model embodiment is applied to thermal cut-off, it is inner near near the current circuit of heater element to be installed in electrical equipment, when the heater element of electrical equipment inside under current overload or other abnormal conditions, make the excess Temperature of this heater element, this thermal cut-off is subject to the transmission of ambient temperature, so that the thermal cut-off internal temperature is increased to more than the rated temperature, the temperature-sensitive organic substance of section fusing is within it caused danger avoiding so that contact device disconnects the closed-loop path.This is a kind of disposable thermal protector, same purpose also have thin temp. fuse, can be used in the battery of compact electric apparatus, such as cellular li-ion battery etc., to be used for the overheat protector of lithium ion battery.
The product of the utility model embodiment can also be installed in as the electrical contact of Electical connector on the various appliance switches, appliance switch has and can act frequently, can disconnect larger electric current, can realize the characteristics such as control of certain distance, electrical contact is the core parts of Electical connector, it is the key factor that affects Electical connector make-break capacity and reliability, adopt the utility model embodiment product, can make Electical connector have the contact performance of good conductive, heat conduction, and reduce simultaneously cost at the consumption of having saved ag material.
In addition, among the utility model embodiment, described Electical connector is owing to adopt cheap copper base or aluminium base raw material as matrix, with the AgCuONiO layer as working lining, decrease the cost of Electical connector, and be widely used in the electric equipment, have larger economic benefit.
Embodiment 2
Present embodiment provides a kind of Electical connector with composite construction on the basis of embodiment 1, described Electical connector is the star contact, comprise star contact matrix, described star contact matrix has first surface and second surface, and an AgCuONiO layer, the 2nd AgCuONiO layer are separately positioned on first, second surface of described star contact matrix.
Concrete, as shown in Figure 1, described star contact matrix 12 is laminated structures, on first, second surface of the up and down both sides of star contact matrix, be respectively equipped with first, second AgCuONiO layer, consist of a kind of three-layer composite structure, be respectively equipped with an AgCuONiO layer 14 and the 2nd AgCuONiO layer 16 on the first surface of described star contact matrix both sides about in the of 12 and the second surface.In order to guarantee the performance of Electical connector, the gross thickness of described Electical connector can be the 0.003-0.004 inch, the thickness of described first, second AgCuONiO layer is the 0.0005-0.001 inch, and preferred, the thickness of the described matrix of described Electical connector is 0.002 inch.
The Electical connector that present embodiment provides can be installed on the electric equipments such as thermal cut-off, appliance switch, and the excellent characteristic of present embodiment can guarantee the good running of these devices.
The Electical connector that present embodiment provides also can become corresponding size according to different Demand Design, is installed in the less contact device of some sizes to be suitable for installing space than the circlet border, such as transformer, and motor, the battery pack protection bag all can use in the electronic circuit board.
Embodiment 3
Present embodiment provides a kind of Electical connector with composite construction on the basis of embodiment 1, comprise star contact and floating nail, and described silver alloy AgCuONiO layer is separately positioned on one or more surfaces of star contact matrix and floating nail.
Concrete, the matrix of described star contact is laminated structure, and it is respectively first surface and second surface in both sides up and down, and a described AgCuONiO layer and the 2nd AgCuONiO layer can be separately positioned on first, second surface of described star contact matrix; The star contact of described Electical connector is positioned at the top of floating nail, the lower surface of described star contact and the upper surface of described floating nail are in contact with one another, described floating nail is the spike structure, as shown in Figure 2, described floating nail 20 comprises the head of a nail 22 and nail pin 24, the downside surface of the uper side surface of the head of a nail 22 and described nail pin 24 is respectively the 3rd surface and the 4th surface of described floating nail, and described the 3rd AgCuONiO layer 26 and the 4th AgCuONiO layer 28 can be separately positioned on the 3rd, the 4th surface of described floating nail.
For further saving the use amount of silver alloy, can be provided with the AgCuONiO layer at the main contact-making surface of Electical connector, on its non-direct contact surface, only carry out suitable anti-oxidation processing, can reach better effects equally, and the use of having saved silver alloy, reduce cost.Preferably, can do suitable anti-oxidation processing on the 3rd surface of described floating nail, and only be provided with the 4th AgCuONiO layer on the 4th surface of floating nail.
Owing to floating nail is thicker, combine as Electical connector with the star contact to have how good performance; When this Electical connector is installed in the thermal cut-off, can cut off larger electric current, be applicable to high electric current, heat is rushed warm environment, can be widely used in various household electrical appliances, office equipment and the industrial equipment.
Embodiment 4
The utility model embodiment provides a kind of thermal cut-off that comprises Electical connector on the basis of embodiment 1, as shown in Figure 3A, described thermal cut-off 30 comprises the first wire 32, the second wire 34, housing 36, temperature-sensitive organic substance 38, the first spacers 40, the second spacer 42, the first spring 44, the second springs 46, Electical connector 48, sleeve pipe 50, encapsulant 52.Described the first wire 32 is connected with the second end with the first end of housing respectively with the second wire 34, temperature-sensitive organic substance 38 is positioned at housing 36 inside, and adjacent with the first wire 32, described temperature-sensitive organic substance can be made of non-conductive organic compound, under normal condition, keep solid-state, in order to compress the first spring 44 and the second spring 46.Described housing 36 can be column with temperature-sensitive organic substance 38, and Electical connector 48 can be the star contact.
The first spacer 40 and the second spacer 42 can be used for supporting and isolating described the first spring 44 and the second spring 46, and described temperature-sensitive organic substance 38 is isolated, and prevent from damaging the component that is adjacent.Described the first spacer 40 is between temperature-sensitive organic substance 38 and the first spring 44, and the second spacer 42 is between the first spring 44 and Electical connector 48.Described the first spacer 40 consists of the first biasing member with described the first spring 44, and described the second spacer 42 consists of the second biasing member with described the second spring 46.In addition, comprise two spacers although describe thermal cut-off 30 here, also can be set to as required comprise more or less spacer.Described spacer can be metal (such as copper, aluminium or steel), pottery, and mica (a kind of ceramic material) etc., described spacer shape can be done corresponding design according to the shape of described housing 36, can porosely also can not have the hole on the described spacer.Sleeve pipe 50 can be ceramic, is used for passing the second wire and makes it contact the realization current path with Electical connector, and encapsulant 52 can be comprised of epoxy resin and be used for seal casinghousing.
Such as Fig. 3 A, the thermal cut-off 30 that shows standard operation state forms closed circuit between the first wire 32 and the second wire 34, under normal operating condition, temperature-sensitive organic substance 38 is in solid state, therefore, this temperature-sensitive organic substance is by the first spacer 40 compressions the first spring 44, so that the first spring 44 makes it be offset to the second wire 34 places by the second spacer 42 compression Electical connectors 48 in turn, and with the second wire 34 electrical communication, like this with regard to the loop between closed the first wire 32 and the second wire 34, electric current can flow into from the first wire 32, flows to the second wire 34 by housing 36 and Electical connector 48, and is same, electric current also can flow into from the second wire 34, by Electical connector 48, housing 36 flows to the first wire 32.
With reference to figure 3B, when the temperature of thermal cut-off 30 meets or exceeds relevant maximum operating temperature, thereby thermal cut-off can be by cutting off the closed circuit protection electric equipment between the first wire 32 and the second wire 34.When the temperature of thermal cut-off meets or exceeds relevant maximum operating temperature, solid-state temperature-sensitive organic substance fusing, do not recompress the first spring 44 and the second spring 46, thereby so that the first spring 44 and the second spring 46 are in relaxed state, successively, the second spring promotes Electical connector 48 and moves to the first wire 32 directions, separates with the second wire 34, so the circuit between the first wire 32 and the second wire 34 disconnects.Translational speed when relevant maximum operating temperature can be based on the organic character of temperature-sensitive and spring decompress(ion) herein, and the distance between the element of thermal cut-off 30 inside is set.Specified working temperature also by experiment data set.
In the present embodiment, described Electical connector 48 is the star contact, and described star contact matrix is laminated structure, and its outer circumference portion is arranged with a plurality of supporting legs, is used for contacting with the housing 36 of thermal cut-off, consists of a starlike thin slice; Be respectively equipped with an AgCuONiO layer and the 2nd AgCuONiO layer on the first surface of both sides and the second surface about the described matrix.The gross thickness of described Electical connector can be the 0.003-0.004 inch, the thickness of a described AgCuONiO layer and the 2nd AgCuONiO layer is respectively the 0.0005-0.001 inch, in optional scope, the AgCuONiO layer of described Electical connector can be different as the case may be.Preferably, the matrix thickness of described Electical connector is 0.002 inch.
Optionally, because the downside of star contact contacts with the second wire, then described AgCuONiO layer can be arranged on the second wire, can reach same electro-contact effect and only do anti-oxidation processing at the downside second surface of star contact matrix, a described AgCuONiO layer because contacting with housing, the supporting leg of star contact matrix consists of current flowing, so can be arranged on the upside first surface of matrix; Further, because the production technology problem, described the second wire can be made by the AgCuONiO silver alloy, electrically contacts ability to satisfy it.
Embodiment 5
Present embodiment provides the another kind of thermal cut-off that comprises Electical connector on the basis of embodiment 1, shown in Fig. 4 A, described thermal cut-off 60 comprises the first wire 62, the second wire 64, housing 66, temperature-sensitive organic substance 68, the first spacers 70, the second spacer 72, the first spring 74, the second springs 76, Electical connector 78, sleeve pipe 80, encapsulant 82; Described the first wire 62 and the second wire 64 are connected respectively first end and are connected with the second end with housing, described temperature-sensitive organic substance 68 is positioned at housing 66 inside, and adjacent with the first wire 62, described temperature-sensitive organic substance can be made of non-conductive organic compound, under normal condition, keep solid-state, in order to compress the first spring 74 and the second spring 76.Described housing 66 can be column with temperature-sensitive organic substance 68.Described Electical connector 78 comprises star contact 84 and floating nail 86.
The first spacer 70 can be used for supporting with described the second spacer 72 and isolates described first and second spring and described temperature-sensitive organic substance is isolated.The first spacer 70 is between temperature-sensitive organic substance 68 and the first spring 74, and the second spacer 72 is between the first spring 74 and Electical connector 78, and wherein said floating nail 86 and contacts with the second wire 64 between star contact 84 and the second wire 64.Described the first spacer 70 consists of the first biasing member with described the first spring 74, and described the second spacer 72 consists of the second biasing member with described the second spring 76.Comprise two spacers although describe thermal cut-off 60 here, also can comprise more or less spacer.Described spacer can be metal (such as copper, aluminium or steel), pottery, and mica (a kind of ceramic material) etc., described spacer shape can be done corresponding design according to the shape of described housing, can porosely also can not have the hole on the described spacer.Sleeve pipe 84 can be ceramic, and encapsulant can be epoxy resin.
Such as Fig. 4 A, the thermal cut-off 60 that shows standard operation state forms closed circuit between the first wire 62 and the second wire 64, under normal operating condition, temperature-sensitive organic substance 68 is in solid state, therefore, this temperature-sensitive organic substance compresses the first spring 74, so that the first spring makes it be offset to the second wire 64 places by star contact 84 and the floating nail 86 that the first spacer 70 compresses 78 li of Electical connectors in turn, and so that downside surface and the second wire 64 electrical communication of floating nail, like this with regard to the loop between closed the first wire 62 and the second wire 64, therefore, electric current can flow into from the first wire 62, by housing 66, and the star contact 84 in the Electical connector 78 and floating nail 86, arrive the second wire 64, equally, electric current also can flow into from the second wire 64, by the floating nail 86 in the Electical connector 78 and star contact 84, housing 68 flows to the first wire 62.
With reference to figure 4B, when the temperature of thermal cut-off meets or exceeds relevant maximum operating temperature, thereby thermal cut-off can be by cutting off the closed circuit protection electric equipment between the first wire and the second wire.When the temperature of thermal cut-off meets or exceeds relevant maximum operating temperature, solid-state temperature-sensitive organic substance fusing, do not recompress the first spring 74 and the second spring 76, thereby so that the first spring 74 and the second spring 76 elasticity loosen, successively, star contact 84 and floating nail 86 move to the first wire 62 directions, no longer contacts with the second wire 64, so the disconnection of the circuit between the first wire 62 and the second wire 64.Translational speed when relevant maximum operating temperature can be based on the organic character of temperature-sensitive and spring decompress(ion) herein, and the distance between the element of thermal cut-off inside is set.Specified working temperature also by experiment data set.In Fig. 4 B, the ambient temperature of thermal cut-off is higher, and the temperature-sensitive organic substance is melted from Solid State Transformation and becomes liquid, and spring is in the state of loosening, and Electical connector moves with the second wire and disconnects.
In the present embodiment, described Electical connector comprises star contact 84 and floating nail 86, because floating nail 86 has certain thickness, so the thermal cut-off of type can carry larger electric current, is applied on the relatively large equipment.
Described star contact matrix is the laminated structure with a plurality of supporting legs, and it has respectively first, second surface in both sides up and down; Described floating nail is the spike structure, and described floating nail 86 comprises the head of a nail and nail pin, and the downside surface of the uper side surface of the head of a nail and described nail pin is respectively the 3rd surface and the 4th surface of described floating nail.
Described AgCuONiO layer can be arranged on first, second surface and floating the 3rd, the 4th surface of following closely of star contact matrix, can prevent the oxidation that it is surperficial on the one hand, also can reach preferably electrical contact performance on the other hand.
For further saving the use amount of silver alloy, can be provided with the AgCuONiO layer at the main contact-making surface of Electical connector, on its non-direct contact surface, only carry out suitable anti-oxidation processing, can reach better effects equally, and the use of having saved silver alloy, reduce cost.
Concrete, because described star contact is positioned at the top of described floating nail, i.e. the 3rd Surface Contact of the second surface of described star contact matrix and described floating nail; The supporting leg of described star contact matrix contacts with described housing 66 by its first surface, the downside surface of described floating nail is connected with an end of described the second wire 64, dimension, can be respectively arranged with the AgCuONiO layer on the 4th surface of the first surface of described star contact matrix and described floating nail, do suitable anti-oxidation processing at the second surface of described star contact matrix with the 3rd surface of floating nail and get final product.
AgCuONiO layer on the star contact matrix is used for contacting with housing, makes the star contact when equipment runs well and the housing current flowing, and the AgCuONiO layer thickness that is positioned on the first surface of star contact matrix is the 0.0005-0.001 inch.The downside surface of described floating nail contacts with the second wire, owing to need to be communicated with electric current herein, is at least 0.012 inch so be arranged on the 4th lip-deep AgCuONiO layer thickness of floating nail, to guarantee that larger electric current normally passes through.
Yet because the factor of production technology etc., also the AgCuONiO layer can be arranged on upper and floating the 4th surface of following closely, first, second surface of star contact matrix, on the one hand, being equipped with the AgCuONiO layer at the first second surface of star contact matrix, that product is installed is more convenient, as only have one side to scribble the AgCuONiO layer, carefully identification contacts the one side that is provided with the AgCuONiO layer with housing when mounted.On the other hand, it is complicated on the head of a nail surface of floating nail the AgCuONiO layer process to be set, therefore, preferably the AgCuONiO layer can be arranged on upper and floating the 4th surface of following closely, first, second surface of star contact matrix, get final product and carry out anti-oxidation processing at the head of a nail uper side surface that floats nail.Simultaneously, the thickness of the AgCuONiO layer on the described star contact matrix is the 0.0005-0.001 inch, and the 4th lip-deep AgCuONiO layer thickness of described floating nail is at least 0.012 inch, to guarantee that electric current circulates safely.
Optionally, because the downside surface of floating nail needs to contact with the second wire, then described AgCuONiO layer can be arranged on the second wire, can reach same electro-contact effect and only do anti-oxidation processing on downside the 4th surface of floating nail.Further, because the production technology problem, described the second wire can be made by the AgCuONiO silver alloy, electrically contacts ability to satisfy it.Therefore but described AgCuONiO layer relative set is on the first surface and second surface of the upper and lower sides of the star contact matrix of Electical connector, only do suitable anti-oxidation processing in the upper and lower surface of floating nail, the second wire that contacts with floating nail downside surface simultaneously can be made by silver alloy AgCuONiO.Can reduce like this use of the lip-deep AgCuONiO layer of floating nail, the use of having saved silver alloy reduces production costs.
Need to prove, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby not only comprise those key elements so that comprise process, method, article or the equipment of a series of key elements, but also comprise other key elements of clearly not listing, or also be included as the intrinsic key element of this process, method, article or equipment.Do not having in the situation of more restrictions, the key element that is limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
The above is preferred embodiment of the present utility model only, is not be used to limiting protection range of the present utility model.All any modifications of within spirit of the present utility model and principle, doing, be equal to replacement, improvement etc., all be included in the protection range of the present utility model.
Claims (10)
1. the Electical connector with AgCuONiO is characterized in that, comprises matrix and an AgCuONiO layer with first surface, and a described AgCuONiO layer is arranged on the first surface of described matrix.
2. Electical connector according to claim 1 is characterized in that, described Electical connector also comprises the 2nd AgCuONiO layer, and its matrix also comprises second surface, and described the 2nd AgCuONiO layer is arranged on the second surface of described matrix.
3. Electical connector according to claim 2 is characterized in that, described Electical connector is the star contact, and its matrix is laminated structure, and described first surface and second surface are positioned at the opposite side of described matrix.
4. Electical connector according to claim 2 is characterized in that, described Electical connector comprises star contact and floating nail, and the opposite side of described floating nail arranges respectively the 3rd surface and the 4th surface; Described matrix is star contact matrix, and described star contact matrix is laminated structure, and described first surface and second surface are positioned at the opposite side of described star contact matrix.
5. Electical connector according to claim 4, it is characterized in that, described Electical connector also comprises the 3rd AgCuONiO layer and the 4th AgCuONiO layer, and described the 4th AgCuONiO layer is arranged on upper and/or described the 3rd AgCuONiO layer in the 4th surface of described floating nail and is arranged on the 3rd surface of described floating nail.
6. Electical connector according to claim 5, the thickness of described floating the 4th AgCuONiO layer that nails on is at least 0.012 inch.
7. arbitrary described Electical connector is characterized in that according to claim 3-6, and the thickness of described star contact is the 0.003-0.004 inch, and arbitrary layer thickness of described first, second AgCuONiO layer is the 0.0005-0.001 inch.
8. arbitrary described Electical connector is characterized in that according to claim 1-6, and described matrix is the metallic matrix of copper or aluminium.
9. a thermal cut-off is characterized in that, comprises the arbitrary described Electical connector of claim 1 to 8.
10. thermal cut-off according to claim 9 is characterized in that, described thermal cut-off also comprises:
Axisymmetric housing; Described housing comprises first end and the second end,
The first wire is connected with the first end of described housing, and stretches out;
The second wire is connected with the second end of described housing, and stretches out;
The temperature-sensitive organic substance is arranged on described enclosure interior and near the first end of housing;
Described Electical connector is between temperature-sensitive organic substance and the second wire;
The first biasing member is between described temperature-sensitive organic substance and Electical connector;
The second biasing member is between described Electical connector and the second wire;
When described temperature-sensitive organic substance is solid-state, described temperature-sensitive organic substance and the first biasing member and the mutual resiliency supported of the second biasing member, described the first biasing member is pushed to the direction of the second wire so that Electical connector and the second wire conducting with described Electical connector; Described the first wire is by housing, and Electical connector is with the second wire circuit conducting;
When described temperature-sensitive organic substance is liquid state or gaseous state from Solid State Transformation, described temperature-sensitive organic substance disconnects the support with described the first biasing member and described the second biasing member, and the second biasing member is pushed to away from the direction of the second wire described Electical connector to disconnect contacting of described Electical connector and the second wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220313044 CN202749239U (en) | 2012-06-29 | 2012-06-29 | Electric contact device and thermal fuse using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220313044 CN202749239U (en) | 2012-06-29 | 2012-06-29 | Electric contact device and thermal fuse using the same |
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| Publication Number | Publication Date |
|---|---|
| CN202749239U true CN202749239U (en) | 2013-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220313044 Expired - Lifetime CN202749239U (en) | 2012-06-29 | 2012-06-29 | Electric contact device and thermal fuse using the same |
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| Country | Link |
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| CN (1) | CN202749239U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185856A (en) * | 2015-06-29 | 2015-12-23 | 北京天诚同创电气有限公司 | Automatic battery board splitting device and battery board series array |
| CN106229721A (en) * | 2016-07-22 | 2016-12-14 | 广东小天才科技有限公司 | Connection contact, charging data line, electronic device and preparation method of connection contact |
| CN111403249A (en) * | 2020-04-03 | 2020-07-10 | 建达电气有限公司 | Fuse with spare module |
| CN111627781A (en) * | 2020-01-19 | 2020-09-04 | 艾默生电气(珠海)有限公司 | Thermal fuse and method for producing thermal fuse |
| CN113066693A (en) * | 2021-02-18 | 2021-07-02 | 艾默生电气(珠海)有限公司 | Thermal fuse and metal shell for thermal fuse |
-
2012
- 2012-06-29 CN CN 201220313044 patent/CN202749239U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185856A (en) * | 2015-06-29 | 2015-12-23 | 北京天诚同创电气有限公司 | Automatic battery board splitting device and battery board series array |
| CN105185856B (en) * | 2015-06-29 | 2017-06-09 | 北京天诚同创电气有限公司 | Battery panel automatic decoupling device and battery panel series array |
| CN106229721A (en) * | 2016-07-22 | 2016-12-14 | 广东小天才科技有限公司 | Connection contact, charging data line, electronic device and preparation method of connection contact |
| CN106229721B (en) * | 2016-07-22 | 2019-05-14 | 广东小天才科技有限公司 | Connection contact, charging data line, electronic device and preparation method of connection contact |
| CN111627781A (en) * | 2020-01-19 | 2020-09-04 | 艾默生电气(珠海)有限公司 | Thermal fuse and method for producing thermal fuse |
| CN111403249A (en) * | 2020-04-03 | 2020-07-10 | 建达电气有限公司 | Fuse with spare module |
| CN111403249B (en) * | 2020-04-03 | 2022-02-01 | 建达电气有限公司 | Fuse with spare module |
| CN113066693A (en) * | 2021-02-18 | 2021-07-02 | 艾默生电气(珠海)有限公司 | Thermal fuse and metal shell for thermal fuse |
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