CN106633427A - Insulating outer cover for current transformer secondary over-voltage protector - Google Patents
Insulating outer cover for current transformer secondary over-voltage protector Download PDFInfo
- Publication number
- CN106633427A CN106633427A CN201611038202.0A CN201611038202A CN106633427A CN 106633427 A CN106633427 A CN 106633427A CN 201611038202 A CN201611038202 A CN 201611038202A CN 106633427 A CN106633427 A CN 106633427A
- Authority
- CN
- China
- Prior art keywords
- parts
- current transformer
- agent
- transformer secondary
- protection device
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses an insulating outer cover for a current transformer secondary over-voltage protector. The insulating outer cover for the current transformer secondary over-voltage protector is prepared from ethylene-propylene-diene-terpolymer rubber, methyl vinyl silicone rubber, butyl rubber, epoxy resin, a strengthening agent, a thermal conductive filler, a vulcanization agent, an ultraviolet-proof agent, a waterproofing agent, an antioxidant agent, a promoter, a surfactant, a flame retardant, a plasticizer and a coupling agent. The insulating outer cover for the current transformer secondary over-voltage protector has excellent insulativity, further has good waterproof, dampproof and sealing properties and further has good heat conduction and dissipation properties, high temperature resistance and flame resistance through modification, the short circuit phenomenon caused by heating and overburning due to water of a resistor is avoided, and the service life of the overvoltage protector is prolonged.
Description
Technical field
The present invention relates to electric technical field, and in particular to for the exhausted of Current Transformer Secondary overvoltage protection device
Edge outer cover.
Background technology
In power system, measurement and control, during normal work transformer of the current transformer (CT) using primary current
Secondary side is near short circuit state, and output voltage is very low.If in operation Secondary Winding open circuit or first winding flow through different
Often electric current (such as lightning current, resonance overcurrent, capacitance charging current, inductance starting current), all can produce thousands of in secondary side
The volt even overvoltage of volts up to ten thousand.This not only works the mischief to electrical secondary system insulation, can also make transformer too drastic and scaling loss, or even
Jeopardize the life security of operations staff.Current Transformer Secondary overvoltage protection device is mainly used in the abnormal mistake of various CT secondary sides
Voltage protection.Protector is fixed in CT Secondary Windings two ends, and leakage current is minimum during normal operation, in high-impedance state；As CT bis-
When minor loop is opened a way or first winding abnormal excessively stream occurs, the overvoltage that Secondary Winding is produced makes the rapid action of protector by CT bis-
Secondary side short circuit, shows trouble location automatically on panel, and whether there is source contact signal output.After failture evacuation, press by hand-reset
Button (or CTB automatically resets), again can normal operation input again after circuit reinstatement state.
But, existing secondary overvoltage protector, its internal electric source caloric value is big, and big sending out is continued in the course of the work
Heat will cause resistance value to become big, so that the temperature rise rate of change of power module steeply rises, and then have impact on secondary overvoltage
The normal work of protector, additionally, when secondary overvoltage protector works in the too high air of humidity, it is easy to be short-circuited
And cause piezoresistor to burn, therefore, for secondary overvoltage protector, radiate, dehumidify it is particularly important.
The content of the invention
For the deficiencies in the prior art, the invention provides a kind of for the exhausted of Current Transformer Secondary overvoltage protection device
Edge outer cover so that with excellent insulating properties, waterproof and dampproof property, sealing, heat conduction and heat radiation, high temperature resistant and anti-flammability, it is to avoid
Resistor because of heating, meet water and burn the short circuit phenomenon for causing, extend the service life of piezoresistor.
To realize object above, the present invention is achieved by the following technical programs：
For the insulation cover of Current Transformer Secondary overvoltage protection device, by the material composition of following weight portion：Ternary
EP rubbers 58-175 parts, methyl vinyl silicone rubber 24-72 parts, butyl rubber 16-30 parts, epoxy resin 12-30 parts, enhancing
Agent 18-30 parts, heat filling 18-40 parts, vulcanizing agent 5-10 parts, ultraviolet screener 1-5 parts, waterproofing agent 3-8 parts, antioxidant 1-
3 parts, accelerator 3-5 parts, surfactant 3-6 parts, fire retardant 2-4 parts, plasticizer 1-6 parts, coupling agent 1-3 parts.
Preferably, the insulation cover for Current Transformer Secondary overvoltage protection device, by the thing of following weight portion
Matter is constituted：Ethylene propylene diene rubber 80-130 parts, methyl vinyl silicone rubber 30-50 parts, butyl rubber 20-25 parts, epoxy resin
12-20 parts, reinforcing agent 20-28 parts, heat filling 28-35 parts, vulcanizing agent 8-10 parts, ultraviolet screener 1-5 parts, waterproofing agent 5-8
Part, antioxidant 1-3 parts, accelerator 3-5 parts, surfactant 3-6 parts, fire retardant 2-4 parts, plasticizer 3-5 parts, coupling agent 1-
3 parts.
Preferably, the weight ratio of the ethylene propylene diene rubber, methyl vinyl silicone rubber and butyl rubber is 3.6～5.8：
1.5～2.4：1.
Preferably, the contents of ethylene in the methyl vinyl silicone rubber is 0.26～0.48%.
Preferably, the epoxy resin is bisphenol-type epoxy resin and the mixture of aliphatic epoxy resin, and bisphenols
Epoxy resin is 2～5 with the mass ratio of aliphatic epoxy resin:1.
Preferably, the reinforcing agent is glass fibre, asbestos fibre, ceramic fibre, polyurethane fiber, polyacrylic acid fourth
One or more in ester-styrene whisker, PHB whiskers.
Preferably, the metal nitride that the heat filling is crossed for coupling processing.
Preferably, the particle diameter of the metal nitride is 8-10 microns.
Beneficial effects of the present invention：The invention provides a kind of good piezoresistor outer cover of temperature tolerance, the present invention is with rubber
Glue is main raw material(s), and rubber used has excellent insulating properties and water and oil-resistant and sealing；Add in rubber and lead
Hot filler greatly increases the thermal conductivity factor of rubber, not only makes rubber have excellent electrical insulating property and heat conduction swiftness, also has
There is excellent high temperature resistant and anti-flammability, effectively prevent the aging of rubber；Reinforcing fiber makes the intensity of insulation cover at double
Improve, enhance intensity, the toughness of insulating boot；Can change the phase of heat filling and rubber by adjusting the ratio of epoxy resin
Capacitive, so as to improve the thermal conductivity and processing characteristics of rubber.The present invention for Current Transformer Secondary overvoltage protection device
Insulation cover adopts electro-insulating rubber for main component, not only with excellent insulating properties, also with good waterproof and dampproof property and
Sealing, make it also have good heat conduction and heat radiation and high temperature resistant and anti-flammability by modified, it is to avoid resistor because
Heat, chance water burn the short circuit phenomenon for causing, and extend the service life of secondary overvoltage protector.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, rather than the embodiment of whole.Based on the embodiment in the present invention, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, belongs to the scope of protection of the invention.
Embodiment 1：
A kind of insulation cover for Current Transformer Secondary overvoltage protection device, its preparation method is comprised the following steps：
(1) by 58 parts of ethylene propylene diene rubber, 39 parts of methyl vinyl silicone rubber, 16 parts of addition banburies of butyl rubber,
Then after 12 parts of aluminium nitride after being again coupled 10 parts of glass fibre, 8 parts of asbestos fibre, 6 parts of boron nitride, macromolecule is well mixed
In adding banbury, 5-8min is kneaded, then again by 9 parts of bisphenol-type epoxy resin, 3 parts of aliphatic epoxy resin, vulcanizing agent 10
Part, 2 parts of ultraviolet screener, 8 parts of waterproofing agent, 3 parts of antioxidant, 5 parts of accelerator, 5 parts of surfactant, 4 parts of fire retardant, plasticising
6 parts of agent, 1 part of coupling agent are well mixed, and in adding banbury, mixing is uniform, then places 5 hours；
(2) rubber in step (1) is vulcanized into 15min at 170 DEG C, in being then placed in double screw extruder, is extruded into
Type, obtains for the insulation cover of Current Transformer Secondary overvoltage protection device.
Embodiment 2：
A kind of insulation cover for Current Transformer Secondary overvoltage protection device, its preparation method is comprised the following steps：
(1) by 116 parts of ethylene propylene diene rubber, 30 parts of methyl vinyl silicone rubber, 20 parts of addition banburies of butyl rubber,
Then 35 parts of mixing of the aluminium nitride after being again coupled 10 parts of glass fibre, 15 parts of asbestos fibre, 15 parts of ceramic fibre, macromolecule are equal
Add after even in banbury, knead 5-8min, then again by 12 parts of bisphenol-type epoxy resin, 4 parts of aliphatic epoxy resin, sulfuration
8 parts of agent, 5 parts of ultraviolet screener, 3 parts of waterproofing agent, 2 parts of antioxidant, 5 parts of accelerator, 3 parts of surfactant, 2 parts of fire retardant,
5 parts of plasticizer, 1 part of coupling agent are well mixed, and in adding banbury, mixing is uniform, then places 5 hours；
(2) rubber in step (1) is vulcanized into 15min at 170 DEG C, in being then placed in double screw extruder, is extruded into
Type, obtains for the insulation cover of Current Transformer Secondary overvoltage protection device.
Embodiment 3：
A kind of insulation cover for Current Transformer Secondary overvoltage protection device, its preparation method is comprised the following steps：
(1) by 100 parts of ethylene propylene diene rubber, 45 parts of methyl vinyl silicone rubber, 25 parts of addition banburies of butyl rubber,
Then butyl polyacrylate -15 parts of styrene whisker, 13 parts of PHB whiskers, 10 parts of silicon nitride, 18 parts of boron nitride be well mixed again
Add afterwards in banbury, 5-8min is kneaded, then again by 16 parts of bisphenol-type epoxy resin, 4 parts of aliphatic epoxy resin, vulcanizing agent
5 parts, 3 parts of ultraviolet screener, 6 parts of waterproofing agent, 1 part of antioxidant, 3 parts of accelerator, 6 parts of surfactant, 3 parts of fire retardant, increase
3 parts of agent of modeling, 1 part of coupling agent are well mixed, and in adding banbury, mixing is uniform, then places 5 hours；
(2) rubber in step (1) is vulcanized into 15min at 170 DEG C, in being then placed in double screw extruder, is extruded into
Type, obtains for the insulation cover of Current Transformer Secondary overvoltage protection device.
Embodiment 4
A kind of insulation cover for Current Transformer Secondary overvoltage protection device, its preparation method is comprised the following steps：
(1) by 125 parts of ethylene propylene diene rubber, 50 parts of methyl vinyl silicone rubber, 25 parts of addition banburies of butyl rubber,
Then the nitridation after being again coupled 18 parts of glass fibre, 12 parts of ceramic fibre, 5 parts of polyurethane fiber, 20 parts of boron nitride, macromolecule
20 parts of aluminium is added in banbury after being well mixed, and 5-8min is kneaded, then again by 15 parts of bisphenol-type epoxy resin, aliphatic epoxy
5 parts of resin, 6 parts of vulcanizing agent, 1 part of ultraviolet screener, 4 parts of waterproofing agent, 1 part of antioxidant, 3 parts of accelerator, surfactant 5
Part, 4 parts of fire retardant, 3 parts of plasticizer, 3 parts of coupling agent are well mixed, and in adding banbury, mixing is uniform, then places 5 hours；
(2) rubber in step (1) is vulcanized into 15min at 170 DEG C, in being then placed in double screw extruder, is extruded into
Type, obtains for the insulation cover of Current Transformer Secondary overvoltage protection device.
Embodiment 5：
A kind of insulation cover for Current Transformer Secondary overvoltage protection device, its preparation method is comprised the following steps：
(1) by 156 parts of ethylene propylene diene rubber, 66 parts of methyl vinyl silicone rubber, 30 parts of addition banburies of butyl rubber,
Then again by 18 parts of glass fibre, 12 parts of ceramic fibre, 5 parts of polyurethane fiber, part, 12 parts of silicon nitride, macromolecule be coupled after
18 parts of aluminium nitride is added in banbury after being well mixed, and 5-8min is kneaded, then again by 25 parts of bisphenol-type epoxy resin, aliphatic
5 parts of epoxy resin, 5 parts of vulcanizing agent, 2 parts of ultraviolet screener, 6 parts of waterproofing agent, 2 parts of antioxidant, 3 parts of accelerator, surface-active
3 parts of agent, 3 parts of fire retardant, 1 part of plasticizer, 3 parts of coupling agent are well mixed, and in adding banbury, mixing is uniform, then place 5 little
When；
(2) rubber in step (1) is vulcanized into 15min at 170 DEG C, in being then placed in double screw extruder, is extruded into
Type, obtains for the insulation cover of Current Transformer Secondary overvoltage protection device.
To sum up, the embodiment of the present invention has the advantages that：The present invention's protects for Current Transformer Secondary overvoltage
The insulation cover of shield device adopts electro-insulating rubber for main component, also anti-with good waterproof not only with excellent insulating properties
Tide and sealing, make it also have good heat conduction and heat radiation and high temperature resistant and anti-flammability by modified, it is to avoid resistance
Device burns the short circuit phenomenon for causing because of heating, chance water, extends the service life of secondary overvoltage protector.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposit between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that a series of process, method, article or equipment including key elements not only will including those
Element, but also including other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element for being limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Above example only to illustrate technical scheme, rather than a limitation；Although with reference to the foregoing embodiments
The present invention has been described in detail, it will be understood by those within the art that：It still can be to aforementioned each enforcement
Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic；And these modification or
Replace, do not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Claims (8)
1. a kind of insulation cover for Current Transformer Secondary overvoltage protection device, it is characterised in that by following weight portion
Material composition：Ethylene propylene diene rubber 58-175 parts, methyl vinyl silicone rubber 24-72 parts, butyl rubber 16-30 parts, asphalt mixtures modified by epoxy resin
Fat 12-30 parts, reinforcing agent 18-30 parts, heat filling 18-40 parts, vulcanizing agent 5-10 parts, ultraviolet screener 1-5 parts, waterproofing agent 3-
8 parts, antioxidant 1-3 parts, accelerator 3-5 parts, surfactant 3-6 parts, fire retardant 2-4 parts, plasticizer 1-6 parts, coupling agent
1-3 parts.
2. a kind of as claimed in claim 1 for the insulation cover of Current Transformer Secondary overvoltage protection device, its feature exists
In by the material composition of following weight portion：Ethylene propylene diene rubber 80-130 parts, methyl vinyl silicone rubber 30-50 parts, butyl rubber
Glue 20-25 parts, epoxy resin 12-20 parts, reinforcing agent 20-28 parts, heat filling 28-35 parts, vulcanizing agent 8-10 parts, antiultraviolet
Agent 1-5 parts, waterproofing agent 5-8 parts, antioxidant 1-3 parts, accelerator 3-5 parts, surfactant 3-6 parts, fire retardant 2-4 parts, increasing
Modeling agent 3-5 parts, coupling agent 1-3 parts.
3. a kind of as claimed in claim 2 for the insulation cover of Current Transformer Secondary overvoltage protection device, its feature exists
In the weight ratio of the ethylene propylene diene rubber, methyl vinyl silicone rubber and butyl rubber is 3.6～5.8：1.5～2.4：1.
4. a kind of as claimed in claim 3 for the insulation cover of Current Transformer Secondary overvoltage protection device, its feature exists
In the contents of ethylene in the methyl vinyl silicone rubber is 0.26～0.48%.
5. a kind of as claimed in claim 4 for the insulation cover of Current Transformer Secondary overvoltage protection device, its feature exists
In the epoxy resin is bisphenol-type epoxy resin and the mixture of aliphatic epoxy resin, and bisphenol-type epoxy resin and fat
The mass ratio of fat race epoxy resin is 2～5:1.
6. a kind of as claimed in claim 5 for the insulation cover of Current Transformer Secondary overvoltage protection device, its feature exists
In, the reinforcing agent be glass fibre, asbestos fibre, ceramic fibre, polyurethane fiber, butyl polyacrylate-styrene whisker,
One or more in PHB whiskers.
7. a kind of as claimed in claim 6 for the insulation cover of Current Transformer Secondary overvoltage protection device, its feature exists
In the metal nitride that the heat filling is crossed for coupling processing.
8. a kind of as claimed in claim 7 for the insulation cover of Current Transformer Secondary overvoltage protection device, its feature exists
In the particle diameter of the metal nitride is 8-10 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611038202.0A CN106633427A (en) | 2016-11-23 | 2016-11-23 | Insulating outer cover for current transformer secondary over-voltage protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611038202.0A CN106633427A (en) | 2016-11-23 | 2016-11-23 | Insulating outer cover for current transformer secondary over-voltage protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106633427A true CN106633427A (en) | 2017-05-10 |
Family
ID=58812395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611038202.0A Pending CN106633427A (en) | 2016-11-23 | 2016-11-23 | Insulating outer cover for current transformer secondary over-voltage protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106633427A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106928611A (en) * | 2017-04-30 | 2017-07-07 | 国网江苏省电力公司职业技能训练基地 | A kind of piezoresistor insulation cover of heatproof |
| CN107903513A (en) * | 2017-12-08 | 2018-04-13 | 徐州德高电动车科技有限公司 | A kind of bearing sealed ring |
| CN108384249A (en) * | 2018-03-12 | 2018-08-10 | 合肥尚强电气科技有限公司 | A kind of insulating materials and preparation method thereof of Current Transformer Secondary overvoltage protection device |
| CN108736460A (en) * | 2018-07-25 | 2018-11-02 | 安徽硕日光电科技有限公司 | A kind of current mutual inductor overvoltage protector |
| CN109265890A (en) * | 2018-09-05 | 2019-01-25 | 安徽来福电子科技有限公司 | A kind of high-cooling property resistor inner filling material |
| CN109385066A (en) * | 2018-09-05 | 2019-02-26 | 安徽来福电子科技有限公司 | A kind of resistor inner filling material being effectively isolated electric radiation |
| CN109679351A (en) * | 2018-12-26 | 2019-04-26 | 上海应用技术大学 | A kind of high-strength silicone rubber composite material and preparation method |
| CN110128829A (en) * | 2019-05-13 | 2019-08-16 | 安徽升隆电气有限公司 | A kind of current transformer insulating materials and preparation method thereof |
| CN110894419A (en) * | 2019-12-05 | 2020-03-20 | 东莞市源岭硅胶科技有限公司 | Flame-retardant silica gel and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974208A (en) * | 2010-08-20 | 2011-02-16 | 广东生益科技股份有限公司 | High thermal conductivity resin composition and high thermal conductivity coated metal foil board manufactured by using same |
| CN102888059A (en) * | 2012-10-25 | 2013-01-23 | 合保电气（芜湖）有限公司 | Composite insulating material and preparation method thereof |
| CN104051056A (en) * | 2014-05-30 | 2014-09-17 | 安徽三和电力技术有限公司 | Insulating material for power grid device |
-
2016
- 2016-11-23 CN CN201611038202.0A patent/CN106633427A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974208A (en) * | 2010-08-20 | 2011-02-16 | 广东生益科技股份有限公司 | High thermal conductivity resin composition and high thermal conductivity coated metal foil board manufactured by using same |
| CN102888059A (en) * | 2012-10-25 | 2013-01-23 | 合保电气（芜湖）有限公司 | Composite insulating material and preparation method thereof |
| CN104051056A (en) * | 2014-05-30 | 2014-09-17 | 安徽三和电力技术有限公司 | Insulating material for power grid device |
Non-Patent Citations (1)
| Title |
|---|
| 雷卫华 等: "硅橡胶/EPDM /IIR共混的研究", 《特种橡胶制品》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106928611A (en) * | 2017-04-30 | 2017-07-07 | 国网江苏省电力公司职业技能训练基地 | A kind of piezoresistor insulation cover of heatproof |
| CN107903513A (en) * | 2017-12-08 | 2018-04-13 | 徐州德高电动车科技有限公司 | A kind of bearing sealed ring |
| CN108384249A (en) * | 2018-03-12 | 2018-08-10 | 合肥尚强电气科技有限公司 | A kind of insulating materials and preparation method thereof of Current Transformer Secondary overvoltage protection device |
| CN108736460A (en) * | 2018-07-25 | 2018-11-02 | 安徽硕日光电科技有限公司 | A kind of current mutual inductor overvoltage protector |
| CN108736460B (en) * | 2018-07-25 | 2023-11-24 | 合肥森岑汽车用品有限公司 | Overvoltage protector for current transformer |
| CN109265890A (en) * | 2018-09-05 | 2019-01-25 | 安徽来福电子科技有限公司 | A kind of high-cooling property resistor inner filling material |
| CN109385066A (en) * | 2018-09-05 | 2019-02-26 | 安徽来福电子科技有限公司 | A kind of resistor inner filling material being effectively isolated electric radiation |
| CN109679351A (en) * | 2018-12-26 | 2019-04-26 | 上海应用技术大学 | A kind of high-strength silicone rubber composite material and preparation method |
| CN110128829A (en) * | 2019-05-13 | 2019-08-16 | 安徽升隆电气有限公司 | A kind of current transformer insulating materials and preparation method thereof |
| CN110894419A (en) * | 2019-12-05 | 2020-03-20 | 东莞市源岭硅胶科技有限公司 | Flame-retardant silica gel and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106633427A (en) | Insulating outer cover for current transformer secondary over-voltage protector | |
| CN104327366B (en) | A kind of weather resistant locomotive halogen free flame retardant cable sheath material prescription and preparation method | |
| CN106928611A (en) | A kind of piezoresistor insulation cover of heatproof | |
| CN109456542A (en) | A kind of rubber insulation material | |
| CN112917949B (en) | Preparation method of extra-high voltage composite insulator | |
| CN104804441A (en) | High-insulativity high-flame-resistance plastic material for electric insulating protective cover and preparation method of plastic material | |
| CN109266004A (en) | A kind of silicone rubber for cable insulating layer | |
| CN106883473A (en) | A kind of transformer rubber gasket and preparation method thereof | |
| CN103554639B (en) | A kind of production method of environment-friendly halogen-free flame-proof electric wire | |
| CN106519466A (en) | Environmental-protection heat-resistant oil-resistant flame-retardant chlorinated polyethylene rubber sheath material and preparation method thereof | |
| CN111205565A (en) | Dynamic vulcanization halogen-free flame-retardant insulator sheath, umbrella skirt composite material and preparation method | |
| CN103980619A (en) | Low-smoke halogen-free flame-retardation insulation material for class 1E category K1 cables of nuclear power station | |
| CN104672628A (en) | Radiation-resistant cable insulation material for nuclear power plant | |
| CN107841145A (en) | A kind of transformer thermal conductive insulation silicon rubber composite material | |
| CN106479190A (en) | A kind of fire-resisting ceramic silicone rubber that can be used for middle temperature sulfuration and preparation method thereof | |
| CN106751886A (en) | A kind of arc extinguishing insulation protective hood for high-pressure series reactor | |
| KR102279438B1 (en) | Epoxy resin composition and transformer comprising the same | |
| CN110938274A (en) | Silane cross-linked semiconductive shielding material and preparation method and application thereof | |
| CN113773568A (en) | Insulating material, preparation method and application thereof | |
| CN107556630A (en) | A kind of cold-resistant flame-proof cable sheath material of good performance and preparation method thereof | |
| CN103756163B (en) | AP1000 used in nuclear power station 1E level K1 class cable insulating material and preparation method | |
| CN108384249A (en) | A kind of insulating materials and preparation method thereof of Current Transformer Secondary overvoltage protection device | |
| CN107383578A (en) | A kind of high fire-retardance anti creepage trace full skirt sleeve pipe and its production method | |
| CN107141765A (en) | A kind of erosion resisting insulation cable material and preparation method thereof | |
| CN106916357A (en) | A kind of cross-linked poly-ethylene cable material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
|
| RJ01 | Rejection of invention patent application after publication |