CN102211375A - Method for producing insulator or contact box with temperature and/or voltage sensor - Google Patents
Method for producing insulator or contact box with temperature and/or voltage sensor Download PDFInfo
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- CN102211375A CN102211375A CN2011101386763A CN201110138676A CN102211375A CN 102211375 A CN102211375 A CN 102211375A CN 2011101386763 A CN2011101386763 A CN 2011101386763A CN 201110138676 A CN201110138676 A CN 201110138676A CN 102211375 A CN102211375 A CN 102211375A
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Abstract
The invention discloses a method for producing an insulator or a contact box with a temperature and/or voltage sensor. The method comprises the following steps of: a) loading an insert and the sensor into a mold, and preheating; b) mixing materials; c) pouring; d) demoulding; and e) post-curing. Compared with the prior art, the invention has the advantages that: 1) the voltage or/and temperature sensor is sealed inside the contact box or the insulator, so that the interference of outside dirty, light, heat, mechanical deformation and the like to signals is prevented; through an optical fiber transmission signal, the problem of high-voltage insulation is solved and the hidden danger that high voltage enters a low-voltage control system and a communication system is eliminated; 2) the temperature sensor is used to be directly contacted with a detected position, so that the method is accurate in measurement positions and measurement temperatures and high in reliability and safety, and has the characteristics of accurate detection temperature, low discreteness, no temperature upper limit and no temperature compensation simultaneously; and 3) an optical temperature sensor is not subjected to outside electromagnetic interference, so that the stability of a temperature signal is ensured.
Description
Technical field
The invention belongs to the switchgear technical field, relate in particular to and a kind ofly have temperature or/and the production method of the insulator of voltage sensor or contact box.
Background technology
Flourish along with intelligent grid will propose bigger demand to the monitoring of power equipment.During power equipment work, the normal heating of each parts should not surpass its maximum permissible temperature, could guarantee safe operation.Temperature is one of important parameter of weighing the power equipment running status.Switchgear is one of key equipment of power system, resolves the on-line temperature monitoring of air combined insulated switching installation, can prevent the power equipment overheat accident, improves power supply reliability; Reduce loss of outage, realize also helping the appropriate design and the use of power equipment outside the repair based on condition of component, China greatly develops intelligent grid simultaneously, presses for novel temperature sensor and uses on switchgear.
In the prior art, the switch cubicle temperature measured roughly following method: wireless electromagnetic emission type contact product, optical-fiber type contact product and unlimited air infrared type contact product etc., but all exist corresponding defective: optical fiber connects transfer scheme and has hidden dangers such as the dangerous and soft fiber arrangement difficulty of optical fiber envelope photosphere insulating surface pollution flashover; Open wide air infrared transmission scheme because of present conductive arm is essentially all insulation parcel, be difficult to be installed on the handcart; The radio transmission scheme is not considered to safe scheme because of the height pressure side connects to elevator, yet it is to be assembled on conductive arm or the bus with annex mode scene, broken ring conductive arm structure, and influence heat radiation and insulation can bring new hidden danger.Conductive arm or bus high temperature also can influence the stability and the life-span of converter work.Equally, after the conductive arm all insulation, be difficult to be installed on the conductive arm.And electromagnetic wave is subjected to metallic shield and environment strong electromagnetic between each compartment of housing, also greatly reduces the reliability that signal transmits.
In a word, existing temperature measuring equipment can not self independently be installed, and must be attached on handcart conductive arm or the bus; Temperature-sensing element is heat-resisting not enough, the temperatures involved when not considering short circuit; Heavy current impact is to the influence of product when not considering short circuit; Do not consider of the influence of its installation back to the power equipment dielectric voltage withstand; Do not consider the stability that product is worked under unusual hot environment; Particularly there is not intelligent functions or the like.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, provide a kind of and have temperature or/and the production method of the insulator of voltage sensor or contact box.
The technical solution adopted for the present invention to solve the technical problems is: have temperature or/and the production method of the insulator of voltage sensor or contact box is characterized in that: comprise the steps:
A) with temperature or/and the optics thermometric of voltage sensor or/and pressure measurement probe is encapsulated in aluminum or the wire chamber made of copper, described wire chamber adopts enclosed construction, is fixed on the mould; With temperature or/and the optical fiber of the transmission signal of voltage sensor adopts silicon rubber to protect; With temperature or/and the fiber-optic signal joint of voltage sensor protect with metallic sealed cover;
Described insulator or contact box are referred to as inserts;
After mould, inserts, sensor all cleaned, inserts, the sensor mould of packing into is carried out preheating, temperature is 120～150 ℃;
B) batch mixing: comprise solid epoxy resin or liquid-state epoxy resin, filler (for silicon powder or alumina powder), curing agent, three's ratio is 100phr:200～350phr:30～85phr;
Above-mentioned batch mixing is mixed the time: greater than 1 hour; Temperature: when using solid resin is 100～140 ℃; When using liquid resin is 40～60 ℃; Vacuum: be controlled at 1～5mbar;
C) cast: above-mentioned batch mixing is poured into a mould in mould, can be used vacuum pouring or automatic pressure gel; Sensor is in entire making process, and its optical fiber and silastic material can tolerate the requirement of 160 ℃ of technological temperatures, guarantees that certainty of measurement does not reduce;
Use vacuum pouring, pouring temperature: 110～140 ℃, vacuum: 1～20 mbar; Carry out one-step solidification, solidification temperature: 110～140 ℃, the one-step solidification time: 4～20 h;
Use automatic pressure gel, pouring temperature: 140～160 ℃, pressure: 2～6 bar; Carry out gel, gelling temp: 140～160 ℃, gel time: 10～40 min;
D) demoulding;
E) solidify the back: the back solidification temperature: 114～140 ℃, and rear curing time: 10～20h; Vitrification point: 100～135 ℃.
Preferably, in the step a), described metallic sealed cover is copper or aluminium or stainless steel making.
Preferably, in the step b), solid epoxy resin or liquid-state epoxy resin, filler (being silicon powder or alumina powder), curing agent, three's ratio is 100phr:300phr:60phr.
Preferably, in the step c), the vacuum pouring temperature: 130 ℃, vacuum: 10mbar; Carry out one-step solidification, solidification temperature: 130 ℃, the one-step solidification time: 6h; Automatic pressure gel, pouring temperature: 150 ℃, pressure: 5bar; Carry out gel, gelling temp: 150 ℃, gel time: 15min.
Preferably, in the step e), back solidification temperature: 130 ℃, rear curing time: 12h; Vitrification point: 120 ℃.
Compared with prior art, the invention has the beneficial effects as follows: 1) installation dimension is constant, simple installation; Voltage has prevented the interference to signal such as extraneous filth and light, heat and mechanically deform or/and temperature sensor is enclosed in contact box or insulator inside; By the fiber optic conduction signal, solved the High-Voltage Insulation problem well, eliminated the hidden danger that high voltage is scurried into low voltage control system and communication system, can be from the direct picked up signal of low-pressure end; 2) temperature sensor adopts the directly tested position of contact, makes the measuring point accurate, and it is accurate to measure temperature, has high reliability and security; It is accurate to have temperature detection simultaneously, and discreteness is little, and no temperature upper limit need not the characteristics of temperature-compensating; 3) optic temperature sensor is not subjected to outside electromagnetic interference, thereby has guaranteed the stability of temperature signal; Fiber optic conduction has realized intelligent functions and has communicated by letter, and satisfies the requirement of safe and reliable on-line temperature monitoring, satisfies the needs that intelligent electrical network is built.
Description of drawings
Fig. 1 is a process chart of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described further:
The present invention uses in support insulator (or capacitor type support insulator) and the contact box at switch cubicle, by APG or VC technical process, with temperature or/and voltage sensor be synthesized in the insulating part (insulator and contact box), unite two into one with insulator or contact box, keep original insulator or contact box structure and function thereof, do not take up space in addition, do not destroy the switch cubicle original structure, need not on-the-spot special assembly and adjustment and fixing.The insulator of band temperature and voltage sensor both can be used as common insulator and had used, and can become the sensor of charged display unit again, more can measure the temperature of the conducting copper that is installed on this.
As shown in Figure 1, have temperature or/and the production method of the insulator of voltage sensor or contact box comprises the steps:
A) with temperature or/and the optics thermometric of voltage sensor or/and pressure measurement probe is encapsulated in aluminum or the wire chamber made of copper, described wire chamber adopts enclosed construction, is fixed on the mould; With temperature or/and the optical fiber of the transmission signal of voltage sensor adopts silicon rubber to protect; Or/and the fiber-optic signal joint of voltage sensor is protected with metallic sealed cover, metallic sealed cover is copper or aluminium or stainless steel making with temperature;
Described insulator or contact box are referred to as inserts; After mould, inserts, sensor all cleaned, inserts, the sensor mould of packing into is carried out preheating, temperature is 120～150 ℃;
B) batch mixing: comprise solid epoxy resin or liquid-state epoxy resin, filler, curing agent, three's ratio is 100phr:300phr:60phr; Described filler can be silicon powder, or is alumina powder;
Above-mentioned batch mixing is mixed the time: greater than 1 hour; Temperature: when using solid resin is 100～140 ℃; When using liquid resin is 40～60 ℃; Vacuum: be controlled at 1～5mbar;
C) cast: above-mentioned batch mixing is poured into a mould in mould, can be used vacuum pouring or automatic pressure gel; Sensor is in entire making process, and its optical fiber and silastic material can tolerate the requirement of 160 ℃ of technological temperatures, guarantees that certainty of measurement does not reduce;
Use vacuum pouring, pouring temperature: 130 ℃, vacuum: 10mbar; Carry out one-step solidification, solidification temperature: 130 ℃, the one-step solidification time: 6h;
Use automatic pressure gel, pouring temperature: 150 ℃, pressure: 5bar; Carry out gel, gelling temp: 150 ℃, gel time: 15min;
D) demoulding;
E) solidify the back: the back solidification temperature: 130 ℃, and rear curing time: 12h; Vitrification point: 120 ℃.
The above only is preferred embodiment of the present invention, is not to be the restriction of the present invention being made other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of technical solution of the present invention according to technical spirit of the present invention.
Claims (5)
1. have temperature or/and the production method of the insulator of voltage sensor or contact box is characterized in that: comprise the steps:
A) with temperature or/and the optics thermometric of voltage sensor or/and pressure measurement probe is encapsulated in aluminum or the wire chamber made of copper, described wire chamber adopts enclosed construction, is fixed on the mould; With temperature or/and the optical fiber of the transmission signal of voltage sensor adopts silicon rubber to protect; With temperature or/and the fiber-optic signal joint of voltage sensor protect with metallic sealed cover;
Described insulator or contact box are referred to as inserts;
After mould, inserts, sensor all cleaned, inserts, the sensor mould of packing into is carried out preheating, temperature is 120～150 ℃;
B) batch mixing: comprise solid epoxy resin or liquid-state epoxy resin, filler (for silicon powder or alumina powder), curing agent, three's ratio is 100phr:200～350phr:30～85phr;
Above-mentioned batch mixing is mixed the time: greater than 1 hour; Temperature: when using solid resin is 100～140 ℃; When using liquid resin is 40～60 ℃; Vacuum: be 1～5mbar;
C) cast: batch mixing is poured into a mould in mould, used vacuum pouring or automatic pressure gel;
Use vacuum pouring, pouring temperature: 110～140 ℃; Vacuum: 1～20 mbar;
Carry out one-step solidification, solidification temperature: 110～140 ℃; Hardening time: 4～20 h;
Use automatic pressure gel, pouring temperature: 140～160 ℃; Pressure: 2～6 bar;
Carry out gel, gelling temp: 140～160 ℃, gel time: 10～40 min;
D) demoulding;
E) solidify the back: back solidification temperature: 114～140 ℃; Rear curing time: 10～20h; Vitrification point: 100～135 ℃.
2. as claimed in claim 1ly have temperature or/and the production method of the insulator of voltage sensor or contact box is characterized in that: in the step a), described metallic sealed cover is that copper or aluminium or stainless steel are made.
3. as claimed in claim 2ly have temperature or/and the production method of the insulator of voltage sensor or contact box, it is characterized in that: in the step b), solid epoxy resin or liquid-state epoxy resin, filler (being silicon powder or alumina powder), curing agent, three's ratio is 100phr:300phr:60phr.
4. as claimed in claim 3ly have temperature or/and the production method of the insulator of voltage sensor or contact box is characterized in that: in the step c), the vacuum pouring temperature: 130 ℃, vacuum: 10mbar; Carry out one-step solidification, solidification temperature: 130 ℃, hardening time: 6h;
Automatic pressure gel, pouring temperature: 150 ℃, pressure: 5bar; Carry out gel, gelling temp: 150 ℃, gel time: 15min.
5. as claimed in claim 4ly have temperature or/and the production method of the insulator of voltage sensor or contact box is characterized in that: in the step e), back solidification temperature: 130 ℃, rear curing time: 12h; Vitrification point: 120 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101386763A CN102211375B (en) | 2011-05-26 | 2011-05-26 | Method for producing insulator or contact box with temperature and/or voltage sensor |
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| CN2011101386763A CN102211375B (en) | 2011-05-26 | 2011-05-26 | Method for producing insulator or contact box with temperature and/or voltage sensor |
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| CN102211375A true CN102211375A (en) | 2011-10-12 |
| CN102211375B CN102211375B (en) | 2013-10-16 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509590A (en) * | 2011-11-23 | 2012-06-20 | 厦门Abb开关有限公司 | Optical fiber composite insulator for measuring temperature of high-voltage busbar and preparation method |
| CN102507043A (en) * | 2011-11-23 | 2012-06-20 | 厦门Abb开关有限公司 | Optical fiber composite contact case for measuring temperature of high-voltage switch contacts and production method thereof |
| CN103439157A (en) * | 2013-08-15 | 2013-12-11 | 国家电网公司 | Test block for digital radiographic detection of disc insulator point defects and manufacturing method of test block |
| CN105690632A (en) * | 2016-01-25 | 2016-06-22 | 广东四会互感器厂有限公司 | Pouring method suitable for insulated encapsulation of electricity product |
| CN106847430A (en) * | 2017-01-24 | 2017-06-13 | 清华大学 | A kind of electric charge self adaptation dissipation disc insulator |
| CN108501273A (en) * | 2017-02-24 | 2018-09-07 | 清华大学 | A kind of adaptive dissipation disc insulator production technology of charge |
| CN112793103A (en) * | 2020-12-14 | 2021-05-14 | 河南平高通用电气有限公司 | Preparation method of contact box |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101800100A (en) * | 2010-04-23 | 2010-08-11 | 广西银河迪康电气有限公司 | Manufacture technology of middle pressure solid insulating sleeve |
| CN101958166A (en) * | 2010-09-02 | 2011-01-26 | 广西银河迪康电气有限公司 | Manufacture method of solid insulating circuit device |
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2011
- 2011-05-26 CN CN2011101386763A patent/CN102211375B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101800100A (en) * | 2010-04-23 | 2010-08-11 | 广西银河迪康电气有限公司 | Manufacture technology of middle pressure solid insulating sleeve |
| CN101958166A (en) * | 2010-09-02 | 2011-01-26 | 广西银河迪康电气有限公司 | Manufacture method of solid insulating circuit device |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509590A (en) * | 2011-11-23 | 2012-06-20 | 厦门Abb开关有限公司 | Optical fiber composite insulator for measuring temperature of high-voltage busbar and preparation method |
| CN102507043A (en) * | 2011-11-23 | 2012-06-20 | 厦门Abb开关有限公司 | Optical fiber composite contact case for measuring temperature of high-voltage switch contacts and production method thereof |
| CN102507043B (en) * | 2011-11-23 | 2013-11-27 | 厦门Abb开关有限公司 | Optical fiber composite contact case for measuring temperature of high-voltage switch contacts and production method thereof |
| CN102509590B (en) * | 2011-11-23 | 2013-12-25 | 厦门Abb开关有限公司 | Optical fiber composite insulator for measuring temperature of high-voltage busbar and preparation method |
| CN103439157A (en) * | 2013-08-15 | 2013-12-11 | 国家电网公司 | Test block for digital radiographic detection of disc insulator point defects and manufacturing method of test block |
| CN103439157B (en) * | 2013-08-15 | 2016-04-27 | 国家电网公司 | A kind of disc insulator spot defect digital radial detects test block and method for making |
| CN105690632A (en) * | 2016-01-25 | 2016-06-22 | 广东四会互感器厂有限公司 | Pouring method suitable for insulated encapsulation of electricity product |
| CN106847430A (en) * | 2017-01-24 | 2017-06-13 | 清华大学 | A kind of electric charge self adaptation dissipation disc insulator |
| CN106847430B (en) * | 2017-01-24 | 2018-05-29 | 清华大学 | A kind of charge adaptively dissipates disc insulator |
| CN108501273A (en) * | 2017-02-24 | 2018-09-07 | 清华大学 | A kind of adaptive dissipation disc insulator production technology of charge |
| CN112793103A (en) * | 2020-12-14 | 2021-05-14 | 河南平高通用电气有限公司 | Preparation method of contact box |
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| CN102211375B (en) | 2013-10-16 |
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Effective date of registration: 20201116 Address after: No.4a-5, No.810 Fangshan South Road, torch high tech Zone (Xiang'an) Industrial Zone, Xiamen City, Fujian Province Patentee after: Macaudi (Xiamen) Intelligent Electric Co.,Ltd. Address before: 361102 Fujian Province, Xiamen city Xiangan District torch hi tech Zone (Xiangan) Industrial Zone Fang Mountain Road No. 808 Patentee before: MOTIC (XIAMEN) ELECTRIC GROUP Co.,Ltd. |