CN107492794A - One kind sealing heat-conducting type outdoor power cabinet - Google Patents
One kind sealing heat-conducting type outdoor power cabinet Download PDFInfo
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- CN107492794A CN107492794A CN201710768360.XA CN201710768360A CN107492794A CN 107492794 A CN107492794 A CN 107492794A CN 201710768360 A CN201710768360 A CN 201710768360A CN 107492794 A CN107492794 A CN 107492794A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/043—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
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- Materials Engineering (AREA)
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- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention provides one kind to seal heat-conducting type outdoor power cabinet, belong to electric device technical field, it includes cabinet, heat exchange mechanisms and control module are set on the cabinet, temperature sensor is set in the cabinet, the control module is electrically connected with the temperature sensor, the heat exchange mechanisms include being arranged on the thermal insulation layer inside the leg of the cabinet, the heat conduction contact being connected through the thermal insulation layer and with the leg of the cabinet, and the rotating heat conducting module being engaged with the heat conduction contact, the rotating heat conducting module includes thermally conductive sheet, the thermally conductive sheet is connected by rotating shaft with motor, the motor is arranged in the cabinet, the thermally conductive sheet has the thermal conductive surface being engaged with the heat conduction contact, the leg of the cabinet is articles made of aluminium alloy.Present invention sealing heat-conducting type outdoor power cabinet, not only intensity is high, and decay resistance is good and lightweight, good sealing effect.
Description
Technical field
The present invention relates to electric device technical field, and in particular to one kind sealing heat-conducting type outdoor power cabinet.
Background technology
Electric power cabinet is typically that the cupboard for protecting component normal work is process by steel material.Electric power cabinet makes material
Material is generally divided into two kinds of hot rolled steel plate and cold-rolled steel sheet electric power cabinet.Cold-rolled steel sheet is soft with respect to hot rolled steel plate more material, is more suitable for
The making of regulator cubicle.But steel material electric power cabinet quality weight, outdoor is placed in for a long time, also there is higher want to its corrosion resistance
Ask.
At present, electric power cabinet is mainly used in the switching node of electric wire, in work about electric power, often produces heat, and temperature
When higher, the performance of electric power can be influenceed, so, in general electric power cabinet can not ensure its cooling-down effect in the case where ensureing air-proof condition,
When ensureing temperature reduction performance, it cannot be guaranteed sealing property again, so with certain limitation.
The patent that notification number is CN 205753107U discloses a kind of sealed heat-dissipating formula electric power cabinet, including protective housing, branch
Leg, fix bar, electric power cabinet housing, lid, bleeding point, retainer ring, motor and flabellum, the bottom of the protective housing are provided with branch
Leg, an electric power cabinet housing is fixed in the inside of protective housing by fix bar, and the lid that is connected through the hinge in protective housing, protects
The top of protective case body is provided with a bleeding point, and one group of motor is fixed in the inside of bleeding point by retainer ring, the main shaft in motor
Connect a flabellum.Not only good seal performance, and can enough realize heat sinking function to the utility model, and therefore, the device both can guarantee that electricity
The performance of power, and can enough ensure the drying property of electric power cabinet enclosure interior.But the electric power cabinet there is a problem in that：The electric power cabinet
Electric power cabinet is entirely wrapped up using external protective housing, reached by aspirating the air between protective housing and electric power cabinet housing
The purpose of radiating is controlled, but the addition of protective housing and motor causes the increase of whole device weight, manufacture and carrying difficulty
Increase；And electric power cabinet is fixed in protective housing by fix bar, support strength and security performance are general；While electric power cabinet
Radiating effect is influenceed by electric power cabinet shell material, if electric power cabinet shell material heat conductivity is poor, outside radiating is complete
Electric power cabinet is not acted on entirely, poor practicability.
Publication No. is that the A of CN 106785964 patent discloses a kind of outdoor water-proof anti-corrosion type intelligent electric power switch board, is wrapped
Cabinet has been included, ammeter element is installed in cabinet；On the top plate of cabinet, one weather shield of support is fixed using vertical bar；
Wind-force windmill is installed between the top of cabinet and weather shield, Matching installation has transmission at the rotating shaft of the wind-force windmill
Axle, the power transmission shaft are stretched into inside cabinet；Driving wheel, each driving wheel and power transmission shaft are equidistantly installed on the power transmission shaft
It is meshed；Matching installation has air suction fan blade on the driving wheel；The air suction fan blade is placed in wind sucting tube, the wind sucting tube
One end extends across the side side wall of cabinet, other end connection helix tube, is fixed with against the end of each helix tube
Filter screen；Air outlet is offered in another side wall of cabinet.But the switch board is complicated, heavier mass, carries and manufacture
Difficulty is big.
The content of the invention
Problem to be solved by this invention is to provide a kind of sealing heat-conducting type outdoor power cabinet, and not only intensity is high, corrosion-resistant
Functional and lightweight, good sealing effect.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
One kind sealing heat-conducting type outdoor power cabinet, including cabinet and the open and close door that is arranged on the cabinet, set on the cabinet
Heat exchange mechanisms and control module are put, temperature sensor, the control module and temperature sensor electricity are set in the cabinet
Property connection,
The heat exchange mechanisms include being arranged on thermal insulation layer inside the leg of the cabinet, through the thermal insulation layer and with the cabinet
The heat conduction contact that the leg of body is connected, and the rotating heat conducting module being engaged with the heat conduction contact, the rotating heat conducting
Module includes thermally conductive sheet, and the thermally conductive sheet is connected by rotating shaft with motor, and the motor is arranged in the cabinet,
The thermally conductive sheet has the thermal conductive surface being engaged with the heat conduction contact,
The side of the cabinet sets placing box, and carbon dioxide holding tank, the carbon dioxide storage are set in the placing box
The outlet of tank connects exhaust tube, and magnetic valve and booster pump are set on the exhaust tube, nozzle is set at the top of the inwall of the cabinet
Seat and Smoke Sensor, the nozzle carrier are connected with the exhaust tube, and some nozzles, the electromagnetism are set on the nozzle carrier
Valve, booster pump and Smoke Sensor are connected with the control module respectively,
The leg of the cabinet is articles made of aluminium alloy, and the aluminium alloy is made up of the composition of following mass percents：
Mg：2.0~3.2%；
Si：3.5~4.5%；
Mn：0.2~0.3%；
Cr：0.1~0.2%；
Zr：0.18~0.25%；
Ti：0.35~0.40%；
Yb：0.15~0.3%；
Surplus is the impurity of Al and content≤0.05%.
Preferably, the control module includes the PLC being arranged on the cabinet.
Preferably, the motor is connected with the control module.
Preferably, the heat conduction contact is metal plate type structure.
Preferably, the thermally conductive sheet is connected by elastic component with the rotating shaft.
Preferably, the aluminium alloy is made up of the composition of following mass percents：
Mg：2.5%；
Si：3.8%；
Mn：0.25%；
Cr：0.14%；
Zr：0.21%；
Ti：0.36%；
Yb：0.23%；
Surplus is the impurity of Al and content≤0.05%.
Preferably, the preparation method of the aluminium alloy, comprises the following steps：
Step S1：Being matched by mentioned component and carry out alloy melting, the alloy melting temp is 720 DEG C -750 DEG C, insulation 10~
12 minutes, obtain alloy molten solution one；
Step S2：Refining agent is added in gained alloy molten solution one to be refined, the temperature of the refining is 730~740 DEG C, when
Between be 10~15 minutes, obtain alloy molten solution two；
Step S3：The alloy molten solution two is cooled down, extrudes, obtains ingot casting；
Step S4：The ingot casting is warming up to 450 DEG C with 0.72 DEG C/min speed, it is small that 10~12 are incubated at a temperature of 450 DEG C
When, carry out Homogenization Treatments；
Step S5：Ingot casting after Homogenization Treatments is incubated 1~1.2 hour under the conditions of 360 DEG C, 420 DEG C is warming up to and carries out heat
Roll, hot-rolled temperature is not less than 370 DEG C；
Step S6：Alloy material after hot rolling is heated to 485~500 DEG C, is incubated 5~7h, then water quenching to room temperature；
Step S7：Ageing Treatment is carried out to the alloy material after step S6 processing, obtains aluminum alloy materials.
Preferably, the refining agent is made up of the raw material of following weight parts：50~60 parts of two carbon of chlordeneization, potassium chloride 10~
20 parts, 20~30 parts of bentonite.
Preferably, the temperature of the Ageing Treatment is 165~180 DEG C, and the time is 6~10h.
Compared with prior art, beneficial effects of the present invention are as follows：
In view of the deficiencies of the prior art, the present invention provides a kind of sealing heat-conducting type outdoor power cabinet, not only intensity is high, corrosion-resistant
Functional and lightweight, good sealing effect.
The present invention includes cabinet and the open and close door being arranged on the cabinet, and the folding to cabinet is realized by open and close door；
Heat exchange mechanisms are set on the cabinet, and the heat exchange mechanisms include being arranged on the thermal insulation layer inside the leg of the cabinet, passed through
The thermal insulation layer and the heat conduction contact being connected with the leg of the cabinet, and led with the rotation that the heat conduction contact is engaged
Thermal modules, the rotating heat conducting module include thermally conductive sheet, and the thermally conductive sheet is connected by rotating shaft with motor, the driving electricity
Machine is arranged in the cabinet, and the heat conduction contact is metal plate type structure, and the thermally conductive sheet has and the heat conduction contact phase
The thermal conductive surface of cooperation, above-mentioned setting enable heat exchange mechanisms to combine well with cabinet, pass through cabinet aluminum alloy material
Metal properties realize the fast exchange of heat, can be realized in the presence of reducing and being exchanged even without inside and outside air-flow
The exchange of heat, specifically, thermal insulation layer is used to ensure that the heat inside cabinet with outside will not be exchanged arbitrarily, heat conduction contact is used for
The outside transmission of cabinet internal heat is realized, the heat that thermally conductive sheet is used to transmit heat conduction contact outwards transmit and diffusion,
The rotating heat conducting module of the present invention and heat conduction contacts mates, when cabinet internal temperature is higher than external temperature, needs outwards radiating,
By the way that heat is quickly transmitted and spread out by heat conduction contact, thermally conductive sheet and cabinet leg, and work as cabinet internal temperature
Less than or equal to external temperature, need not outwards radiate when, then thermally conductive sheet is separated with heat conduction contact, so as to keep inside cabinet
Temperature is not higher than outside；Control module is set on the cabinet, temperature sensor is set in the cabinet, the control module with
The temperature sensor connection, set temperature sensor is used to measure the temperature inside cabinet, by the cabinet measured
Portion's measured temperature passes to control module, and control module is used for by the measured temperature and desired temperature inside cabinet
Comparison, whether to need to enter rotating heat conducting module by conventional technical means teaching process person such as the light on and off of warning lamp
Row regulation is with the outside transmission of switch board body internal temperature；The side of the cabinet sets placing box, is set in the placing box
Carbon dioxide holding tank, the outlet of the carbon dioxide holding tank connect exhaust tube, magnetic valve and increasing are set on the exhaust tube
Press pump, the inwall top of the cabinet set nozzle carrier and Smoke Sensor, and the nozzle carrier is connected with the exhaust tube, described
Some nozzles are set on nozzle carrier, and the magnetic valve, booster pump and Smoke Sensor are connected with the control module, passed through respectively
Above-mentioned setting, when Smoke Sensor detects that smog produces, control module control magnetic valve is opened, while controls booster pump again
Work so that the carbon dioxide in carbon dioxide holding tank, which rapidly enters exhaust tube and sprayed into by nozzle in cabinet, to be gone out
Fire.
Heretofore described thermally conductive sheet is connected by elastic component with rotating shaft, so realizes thermally conductive sheet with turning by elastic component
The Elastic Contact of axle, hard contact phenomena caused by when avoiding axis of rotation, while also ensure that the stability of contact.
In addition, outdoor power cabinet of the present invention does not require nothing more than portable construction in use, but also require possess enough
High intensity and decay resistance, to meet outdoor work demand.Therefore, job requirements and operation of the applicant for the present apparatus
The needs of environment etc., a kind of aluminum alloy materials of high-strength corrosion-resistant erosion are have developed, are exclusively used in making electric power cabinet and its installation fitting；
Wherein, in aluminium alloy of the present invention each composition function analysis：
Mg：Appropriate Mg is added in aluminium alloy can strengthen the corrosion resistance of aluminium alloy, also aluminium alloy is more easily molded, still
Also result in aluminium alloy red brittleness increase, applicant it has been investigated that, Mg of the present invention is when between 2.0~3.2%, aluminium alloy
Excellent corrosion-proof performance, while intensity is obviously improved, and is declined more than 3.2% corrosion resistance, red brittleness increase；
Si：Appropriate Si is added in aluminium alloy can improve the tensile strength, hardness and machinability of aluminium alloy, but to plasticity
Can be unfavorable.Applicant it has been investigated that, Mg is when between 3.5~4.5% in the present invention, beneficial to the plastic working of aluminium alloy, simultaneously
The excellent corrosion-proof performance of aluminium alloy, while intensity is obviously improved, the increase more than 4.5% pair of intensity of aluminum alloy is unfavorable；
Mn：Appropriate Mn is added in aluminium alloy can improve elevated temperature strength, crystal grain thinning, but then be easy to reduce more than certain limit
Alloy heat conductivility, therefore, it is 0.2~0.3% that the present invention, which controls Mn contents,；
Cr：There is certain invigoration effect to aluminium alloy, moreover it is possible to improve the toughness of aluminium alloy, reduce stress corrosion cracking sensitivity
Property, but the quenching sensitive of aluminium alloy can be increased, it is 0.1~0.2% that the present invention, which controls Cr contents,；
Zr：Can crystal grain thinning, improve the combination property of aluminium alloy, and impurity F e can be reduced to a certain extent to aluminium alloy
Harm, it is 0.18~0.25% that the present invention, which controls Zr content,；
Ti：There is inhibitory action to alloy precipitated phase, can effectively hinder recrystallization, refining grain size, so as to reinforcing material
Corrosion resistance, it is 0.35~0.40% that the present invention, which controls Ti content,；
Yb：With element Zr coordinate can crystal grain thinning, strengthen the mechanical strength of aluminium alloy, it is 0.15 that the present invention, which control Yb content,
~0.3%；
Pass through above-mentioned each element and its coordinated of content, mechanical performance, decay resistance and the heat transfer of aluminum alloy materials
Excellent performance, especially suitable for making outdoor power cabinet.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation of present invention sealing heat-conducting type outdoor power cabinet；
Fig. 2 is the structural representation of rotating heat conducting module in Fig. 1 of the present invention；
Fig. 3 is the structural representation of the rotating heat conducting module of the embodiment of the present invention 2.
Embodiment
It is as follows to technical solution of the present invention further instruction, embodiment with reference to Fig. 1 and Fig. 2：
Embodiment 1
Refering to Fig. 1 and Fig. 2, one kind sealing heat-conducting type outdoor power cabinet, including cabinet 1 and the keying being arranged on the cabinet
Door, heat exchange mechanisms and control module 3 are set on the cabinet, temperature sensor 4 is set in the cabinet, the control module with
The temperature sensor is electrically connected with,
The heat exchange mechanisms include being arranged on thermal insulation layer 102 inside the leg 101 of the cabinet, through the thermal insulation layer and with
The heat conduction contact 5 that the leg of the cabinet is connected, and the rotating heat conducting module being engaged with the heat conduction contact, the rotation
Transduction thermal modules include thermally conductive sheet 6, and the thermally conductive sheet is connected by rotating shaft 7 with motor 8, and the motor is arranged on institute
To state in cabinet, the thermally conductive sheet has the thermal conductive surface 601 being engaged with the heat conduction contact,
The side of the cabinet sets placing box 9, sets carbon dioxide holding tank 10 in the placing box, the carbon dioxide is deposited
The outlet of storage tank connects exhaust tube 11, and magnetic valve 12 and booster pump 13, the inwall top of the cabinet are set on the exhaust tube
Set nozzle carrier 14 and Smoke Sensor 15, the nozzle carrier to be connected with the exhaust tube, some sprays are set on the nozzle carrier
Mouth 16, the magnetic valve, booster pump and Smoke Sensor are connected with the control module respectively,
The control module includes the PLC being arranged on the cabinet.
The motor is electrically connected with the control module.
The heat conduction contact is metal plate type structure.
Heretofore described some nozzles be specially 1 with top nozzle, can be according to number of devices in cabinet and fire extinguishing
The selection such as actual demand 2,3,4, it is even more, it is not construed as limiting the invention.Using 4 sprays in the present embodiment
Mouth.
The leg 101 of the cabinet is articles made of aluminium alloy, and the aluminium alloy is made up of the composition of following mass percents：
Mg：2.5%；
Si：3.8%；
Mn：0.25%；
Cr：0.14%；
Zr：0.21%；
Ti：0.36%；
Yb：0.23%；
Surplus is the impurity of Al and content≤0.05%.
The impurity is inevitable impurity well known to those skilled in the art, generally includes the impurity such as Fe, V, Ni member
Element.
The preparation method of the aluminium alloy, comprises the following steps：
Step S1：Matched by mentioned component and carry out alloy melting, the alloy melting temp is 730 DEG C, is incubated 10 minutes, obtains
Alloy molten solution one；
Step S2：Add refining agent in gained alloy molten solution one to be refined, the temperature of the refining is 735 DEG C, and the time is
12 minutes, obtain alloy molten solution two；
Step S3：The alloy molten solution two is cooled down, extrudes, obtains ingot casting；
Step S4：The ingot casting is warming up to 450 DEG C with 0.72 DEG C/min speed, 10 hours is incubated at a temperature of 450 DEG C, enters
Row Homogenization Treatments；
Step S5：Ingot casting after Homogenization Treatments is incubated 1 hour under the conditions of 360 DEG C, is warming up to 420 DEG C of progress hot rollings, heat
Temperature is rolled not less than 370 DEG C；
Step S6：Alloy material after hot rolling is heated to 490 DEG C, is incubated 6h, then water quenching to room temperature；
Step S7：Ageing Treatment is carried out to the alloy material after step S6 processing, obtains aluminum alloy materials.
The refining agent is made up of the raw material of following weight parts：55 parts of two carbon of chlordeneization, 15 parts of potassium chloride, bentonite 25
Part.The dosage of refining agent is the 0.45% ~ 0.50% of aluminium alloy gross mass, the present embodiment 0.48%.
The temperature of the Ageing Treatment is 172 DEG C, time 8h.
Embodiment 2
The present embodiment sealing heat-conducting type outdoor power cabinet is substantially the same manner as Example 1, except that, wherein：
Refering to Fig. 3, the thermally conductive sheet 6 is connected by elastic component 2 with the rotating shaft 7.
Rubber part etc. is may be selected in elastic component, and the Elastic Contact of thermally conductive sheet and rotating shaft is so realized by elastic component, is avoided
Hard contact phenomena caused by during axis of rotation, while also ensure that the stability of contact.
Embodiment 3
The present embodiment sealing heat-conducting type outdoor power cabinet is substantially the same manner as Example 1, except that, wherein：
The aluminium alloy is made up of the composition of following mass percents：
Mg：2.8%；
Si：4.2%；
Mn：0.28%；
Cr：0.16%；
Zr：0.23%；
Ti：0.38%；
Yb：0.25%；
Surplus is the impurity of Al and content≤0.05%.
The preparation method of the aluminium alloy, comprises the following steps：
Step S1：Matched by mentioned component and carry out alloy melting, the alloy melting temp is 735 DEG C, is incubated 10 minutes, obtains
Alloy molten solution one；
Step S2：Add refining agent in gained alloy molten solution one to be refined, the temperature of the refining is 735 DEG C, and the time is
12 minutes, obtain alloy molten solution two；
Step S3：The alloy molten solution two is cooled down, extrudes, obtains ingot casting；
Step S4：The ingot casting is warming up to 450 DEG C with 0.72 DEG C/min speed, 10 hours is incubated at a temperature of 450 DEG C, enters
Row Homogenization Treatments；
Step S5：Ingot casting after Homogenization Treatments is incubated 1 hour under the conditions of 360 DEG C, is warming up to 420 DEG C of progress hot rollings, heat
Temperature is rolled not less than 370 DEG C；
Step S6：Alloy material after hot rolling is heated to 495 DEG C, is incubated 6h, then water quenching to room temperature；
Step S7：Ageing Treatment is carried out to the alloy material after step S6 processing, obtains aluminum alloy materials.
The refining agent is made up of the raw material of following weight parts：53 parts of two carbon of chlordeneization, 18 parts of potassium chloride, bentonite 26
Part.The dosage of refining agent is the 0.45% of aluminium alloy gross mass.
The temperature of the Ageing Treatment is 175 DEG C, time 9h.
Embodiment 4
The present embodiment sealing heat-conducting type outdoor power cabinet is substantially the same manner as Example 1, except that, wherein：
The aluminium alloy is made up of the composition of following mass percents：
Mg：2.2%；
Si：3.6%；
Mn：0.23%；
Cr：0.12%；
Zr：0.20%；
Ti：0.36%；
Yb：0.18%；
Surplus is the impurity of Al and content≤0.05%.
The preparation method of the aluminium alloy, comprises the following steps：
Step S1：Matched by mentioned component and carry out alloy melting, the alloy melting temp is 725 DEG C, is incubated 12 minutes, obtains
Alloy molten solution one；
Step S2：Add refining agent in gained alloy molten solution one to be refined, the temperature of the refining is 732 DEG C, and the time is
15 minutes, obtain alloy molten solution two；
Step S3：The alloy molten solution two is cooled down, extrudes, obtains ingot casting；
Step S4：The ingot casting is warming up to 450 DEG C with 0.72 DEG C/min speed, 10 hours is incubated at a temperature of 450 DEG C, enters
Row Homogenization Treatments；
Step S5：Ingot casting after Homogenization Treatments is incubated 1.2 hours under the conditions of 360 DEG C, is warming up to 420 DEG C of progress hot rollings,
Hot-rolled temperature is not less than 370 DEG C；
Step S6：Alloy material after hot rolling is heated to 490 DEG C, is incubated 5h, then water quenching to room temperature；
Step S7：Ageing Treatment is carried out to the alloy material after step S6 processing, obtains aluminum alloy materials.
The refining agent is made up of the raw material of following weight parts：58 parts of two carbon of chlordeneization, 12 parts of potassium chloride, bentonite 28
Part.The dosage of refining agent is the 0.50% of aluminium alloy gross mass.
The temperature of the Ageing Treatment is 170 DEG C, time 7h.
Embodiment 5
The present embodiment sealing heat-conducting type outdoor power cabinet is substantially the same manner as Example 1, except that, wherein：
The aluminium alloy is made up of the composition of following mass percents：
Mg：3.0%；
Si：4.3%；
Mn：0.28%；
Cr：0.18%；
Zr：0.24%；
Ti：0.39%；
Yb：0.28%；
Surplus is the impurity of Al and content≤0.05%.
The preparation method of the aluminium alloy, comprises the following steps：
Step S1：Matched by mentioned component and carry out alloy melting, the alloy melting temp is 720 DEG C, is incubated 12 minutes, obtains
Alloy molten solution one；
Step S2：Add refining agent in gained alloy molten solution one to be refined, the temperature of the refining is 730 DEG C, and the time is
15 minutes, obtain alloy molten solution two；
Step S3：The alloy molten solution two is cooled down, extrudes, obtains ingot casting；
Step S4：The ingot casting is warming up to 450 DEG C with 0.72 DEG C/min speed, 10 hours is incubated at a temperature of 450 DEG C, enters
Row Homogenization Treatments；
Step S5：Ingot casting after Homogenization Treatments is incubated 1.2 hours under the conditions of 360 DEG C, is warming up to 420 DEG C of progress hot rollings,
Hot-rolled temperature is not less than 370 DEG C；
Step S6：Alloy material after hot rolling is heated to 495 DEG C, is incubated 6h, then water quenching to room temperature；
Step S7：Ageing Treatment is carried out to the alloy material after step S6 processing, obtains aluminum alloy materials.
The refining agent is made up of the raw material of following weight parts：52 parts of two carbon of chlordeneization, 18 parts of potassium chloride, bentonite 23
Part.
The temperature of the Ageing Treatment is 172 DEG C, time 8h.
Embodiment 6
The present embodiment sealing heat-conducting type outdoor power cabinet is substantially the same manner as Example 1, except that, wherein：
The aluminium alloy is made up of the composition of following mass percents：
Mg：2.1%；
Si：3.7%；
Mn：0.21%；
Cr：0.11%；
Zr：0.20%；
Ti：0.37%；
Yb：0.20%；
Surplus is the impurity of Al and content≤0.05%.
The preparation method of the aluminium alloy, comprises the following steps：
Step S1：Matched by mentioned component and carry out alloy melting, the alloy melting temp is 740 DEG C, is incubated 10 minutes, obtains
Alloy molten solution one；
Step S2：Add refining agent in gained alloy molten solution one to be refined, the temperature of the refining is 730 DEG C, and the time is
15 minutes, obtain alloy molten solution two；
Step S3：The alloy molten solution two is cooled down, extrudes, obtains ingot casting；
Step S4：The ingot casting is warming up to 450 DEG C with 0.72 DEG C/min speed, 10 hours is incubated at a temperature of 450 DEG C, enters
Row Homogenization Treatments；
Step S5：Ingot casting after Homogenization Treatments is incubated 1 hour under the conditions of 360 DEG C, is warming up to 420 DEG C of progress hot rollings, heat
Temperature is rolled not less than 370 DEG C；
Step S6：Alloy material after hot rolling is heated to 485 DEG C, is incubated 7h, then water quenching to room temperature；
Step S7：Ageing Treatment is carried out to the alloy material after step S6 processing, obtains aluminum alloy materials.
The refining agent is made up of the raw material of following weight parts：50 parts of two carbon of chlordeneization, 20 parts of potassium chloride, bentonite 20
Part.
The temperature of the Ageing Treatment is 180 DEG C, time 6h.
Embodiment 7
The present embodiment sealing heat-conducting type outdoor power cabinet is substantially the same manner as Example 1, except that, wherein：
The aluminium alloy is made up of the composition of following mass percents：
Mg：2.0%；
Si：3.5%；
Mn：0.2%；
Cr：0.1%；
Zr：0.18%；
Ti：0.35%；
Yb：0.15%；
Surplus is the impurity of Al and content≤0.05%.
The preparation method of the aluminium alloy, comprises the following steps：
Step S1：Matched by mentioned component and carry out alloy melting, the alloy melting temp is 740 DEG C, is incubated 10 minutes, obtains
Alloy molten solution one；
Step S2：Add refining agent in gained alloy molten solution one to be refined, the temperature of the refining is 740 DEG C, and the time is
10 minutes, obtain alloy molten solution two；
Step S3：The alloy molten solution two is cooled down, extrudes, obtains ingot casting；
Step S4：The ingot casting is warming up to 450 DEG C with 0.72 DEG C/min speed, 10 hours is incubated at a temperature of 450 DEG C, enters
Row Homogenization Treatments；
Step S5：Ingot casting after Homogenization Treatments is incubated 1 hour under the conditions of 360 DEG C, is warming up to 420 DEG C of progress hot rollings, heat
Temperature is rolled not less than 370 DEG C；
Step S6：Alloy material after hot rolling is heated to 500 DEG C, is incubated 5h, then water quenching to room temperature；
Step S7：Ageing Treatment is carried out to the alloy material after step S6 processing, obtains aluminum alloy materials.
The refining agent is made up of the raw material of following weight parts：60 parts of two carbon of chlordeneization, 10 parts of potassium chloride, bentonite 30
Part.
The temperature of the Ageing Treatment is 165 DEG C, time 10h.
Embodiment 8
The present embodiment sealing heat-conducting type outdoor power cabinet is substantially the same manner as Example 1, except that, wherein：
The aluminium alloy is made up of the composition of following mass percents：
Mg：3.2%；
Si：4.5%；
Mn：0.3%；
Cr：0.2%；
Zr：0.25%；
Ti：0.40%；
Yb：0.30%；
Surplus is the impurity of Al and content≤0.05%.
The preparation method of the aluminium alloy refers to embodiment 4.
Comparative example 1：Omit composition Yb
This comparative example sealing heat-conducting type outdoor power cabinet is substantially the same manner as Example 1, except that, wherein：
The aluminium alloy is made up of the composition of following mass percents：
Mg：2.5%；
Si：3.8%；
Mn：0.25%；
Cr：0.14%；
Zr：0.21%；
Ti：0.36%；
Surplus is the impurity of Al and content≤0.05%.
Comparative example 2：Change the mass percent of each composition
This comparative example sealing heat-conducting type outdoor power cabinet is substantially the same manner as Example 1, except that, wherein：
The aluminium alloy is made up of the composition of following mass percents：
Mg：3.5%；
Si：2.0%；
Mn：0.4%；
Cr：0.3%；
Zr：0.15%；
Ti：0.2%；
Yb：0.1%；
Surplus is the impurity of Al and content≤0.05%.
Comparative example 3：Change the mass percent of each composition
This comparative example sealing heat-conducting type outdoor power cabinet is substantially the same manner as Example 1, except that, wherein：
The aluminium alloy is made up of the composition of following mass percents：
Mg：1.5%；
Si：3.0%；
Mn：0.5%；
Cr：0.25%；
Zr：0.3%；
Ti：0.5%；
Yb：0.35%；
Surplus is the impurity of Al and content≤0.05%.
Comparative example 4：Omit composition Zr and Yb
This comparative example sealing heat-conducting type outdoor power cabinet is substantially the same manner as Example 1, except that, wherein：
The aluminium alloy is made up of the composition of following mass percents：
Mg：2.5%；
Si：3.8%；
Mn：0.25%；
Cr：0.14%；
Ti：0.36%；
Surplus is the impurity of Al and content≤0.05%.
Comparative example 5：Increase 6.0wt.% Zn
This comparative example sealing heat-conducting type outdoor power cabinet is substantially the same manner as Example 1, except that, wherein：
The aluminium alloy is made up of the composition of following mass percents：
Zn：6.0%；
Mg：2.5%；
Si：3.8%；
Mn：0.25%；
Cr：0.14%；
Zr：0.21%；
Ti：0.36%；
Yb：0.23%；
Surplus is the impurity of Al and content≤0.05%.
Comparative example 6：Increase 6.0wt.% Zn and 2.0wt.%Cu
This comparative example sealing heat-conducting type outdoor power cabinet is substantially the same manner as Example 1, except that, wherein：
The aluminium alloy is made up of the composition of following mass percents：
Zn：6.0%；
Cu：2.0%；
Mg：2.5%；
Si：3.8%；
Mn：0.25%；
Cr：0.14%；
Zr：0.21%；
Ti：0.36%；
Yb：0.23%；
Surplus is the impurity of Al and content≤0.05%.
Comparative example 7
This comparative example sealing heat-conducting type outdoor power cabinet is substantially the same manner as Example 1, except that, the preparation of the aluminium alloy
In method：
Step S2 is replaced with：Refining agent is added in gained alloy molten solution one to be refined, the temperature of the refining is 720 DEG C,
Time is 25 minutes, obtains alloy molten solution two；
Wherein, the refining agent is the carbon of chlordeneization two, and its dosage is the 0.50% of aluminium alloy gross mass.
Comparative example 8
This comparative example sealing heat-conducting type outdoor power cabinet is substantially the same manner as Example 1, except that, the preparation of the aluminium alloy
In method：
Step S2 is replaced with：Refining agent is added in gained alloy molten solution one to be refined, the temperature of the refining is 730 DEG C,
Time is 20 minutes, obtains alloy molten solution two；
Wherein, the refining agent by the carbon of chlordeneization two and potassium chloride with mass ratio 3：The mixture of 1 composition, dosage are that aluminium alloy is total
The 0.45% of quality.
Comparative example 9
This comparative example sealing heat-conducting type outdoor power cabinet is substantially the same manner as Example 1, except that, the preparation of the aluminium alloy
In method：
Step S2 is replaced with：Refining agent is added in gained alloy molten solution one to be refined, the temperature of the refining is 740 DEG C,
Time is 18 minutes, obtains alloy molten solution two；
Wherein, the refining agent by the carbon of chlordeneization two, potassium chloride and bentonite with mass ratio 1：1：The mixture of 1 composition, dosage
For the 0.48% of aluminium alloy gross mass.
Comparative example 10
This comparative example sealing heat-conducting type outdoor power cabinet is substantially the same manner as Example 1, except that, the preparation of the aluminium alloy
In method：
Step S4 is replaced with：The ingot casting is warming up to 450 DEG C with 0.60 DEG C/min speed, 24 are incubated at a temperature of 450 DEG C
Hour, carry out Homogenization Treatments.
Product effect and performance evaluation：
The embodiment of the present invention 1 ~ 3 and the gained aluminium alloy of comparative example 1 ~ 10 are subjected to following performance test：
Tensile mechanical properties are tested：At 25 DEG C of room temperature, using newly CMT-5105 microcomputer controlled electronic universal testers are thought carefully, draw
Stretch sample standard component to prepare according to national standard GB/T228-2002, tensile test specimen scale distance 50mm, gauge length interior diameter is 5mm, experiment
Stretched using at the uniform velocity monodisplacement, rate of extension 3mm/s, GB/T228.1-2010 metal material stretching test part 1：Room
Warm test method, measurement result are shown in Table 1.
The Brinell hardness of sample is measured by Wilson Wilson's Brinell hardness tester, pressure ball diameter, pressure and duration
Respectively 5mm, 750kgf and 20s, with reference to GB/T231.1-2009 metal material Brinell hardness test part 1s：Test method,
Measurement result is shown in Table 1.
The thermal conductivity factor of sample is tested using Xiang Tan Hunan section DRL-III series heat conduction coefficient testers, measurement result
It is shown in Table 1.
Weight-loss corrosion rate test：Using GB10124-88 Uniform Corrosion Method of Laboratory Immersion Test methods：Line
Cutting prepares 3 parallel corrosion samples, height of specimen 4mm, diameter of phi 12mm, using being cleaned by ultrasonic after sanding and polishing, with analysis
Balance is weighed as M respectively0, by it is parallel corrosion sample be placed at 25 DEG C of constant temperature, corrode respectively in 3.5wt% NaCl solution 240h,
360h, 480h, 540h, sample is rinsed well with clear water after corrosion, then uses CrO3、H3PO4With pure water mixed solution in 80 DEG C of guarantors
Temperature cleaning 5 minutes, remove the corrosion product of sample surfaces.Sample ultrapure water after cleaning is clean, use and divide after drying
Analysis balance weighs up the weight M after corrosion respectively, and measurement result is shown in Table 2.The calculation formula of weight-loss corrosion speed：
Rcorrosionrate=8.76×107×（M-M0）/（S×T×D）,
Rcorrosion rate- corrosion rate, mm/a；
M0Sample mass before-experiment, g；Test mass after M- experiments, g；The gross area of S- samples, cm2；T- test periods,
h；D- density of material, kg/m3。
The Measuring Mechanical Properties result of the aluminium alloy of table 1
。
The result of table 1 shows, the tensile strength of present invention gained aluminium alloy is in 410 more than Mpa, and yield strength is in 310Mpa
More than, elongation percentage is 15.1 ~ 16.3%, and hardness is more than 390, and thermal conductivity factor is in 180 Wm-1·K-1More than.1）Comparative example 1,
The performance of the gained aluminium alloy of comparative example 4 is compared with the present invention, it can be seen that：Addition 0.15 ~ 0.3wt. %Yb and/or 0.18 ~
0.25 wt. %Zr have important influence, Yb and/or Zr to be cooperateed with each composition to the mechanical performance of aluminium alloy of the present invention, serve
Strengthen the remarkable result of tension；2）The performance of the gained aluminium alloy of comparative example 2 ~ 3 is compared with the present invention, it can be seen that：Aluminium of the present invention
Alloys components content proportioning is appropriate, and the aluminium alloy for obtaining very good mechanical properties to the present invention has obvious action；3）Contrast
The performance of the gained aluminium alloy of example 5 ~ 6 is compared with the present invention, it can be seen that：Each composition collocation of aluminium alloy of the present invention is appropriate, to this hair
The bright aluminium alloy for obtaining very good mechanical properties has obvious action；4）The performance of the gained aluminium alloy of comparative example 7 ~ 9 and the present invention
Compare, it can be seen that：Refining agent cooperates with used by prepared by aluminium alloy of the present invention, suitable for the refining system of aluminium alloy of the present invention
It is standby；4）The performance of the gained aluminium alloy of comparative example 10 is compared with the present invention, it can be seen that：Aluminium alloy of the present invention is equal used by preparing
Programming rate and soaking time in processing step are homogenized, is had the function that to the aluminium alloy for obtaining excellent performance important.
The corrosion rate of aluminium alloy under the different corrosion durations of the 3.5wt%NaCl solution of table 2
。
The result of table 2 is shown：Gained aluminium alloy of the invention is corroded in 3.5wt%NaCl solution, corrosion rate during 240h
In 0.05 below mm/a, extension corrosion rate over time reduces, while is basically stable at after 360h
0.02mm/a.Compare comparative example 1 ~ 10 it can be seen that, corrosion rate during 240h has different degrees of increase, although over time
Extension corrosion rate reducing, but corrosion rate value just gradually tends to be steady after 480h, and still keeps
In more than 0.03mm/a.The above results show, the excellent anti-corrosion performance of aluminium alloy of the present invention, and each composition and content collocation
Properly, obvious synergy.
Claims (9)
1. one kind sealing heat-conducting type outdoor power cabinet, it is characterised in that：Including cabinet and the open and close door that is arranged on the cabinet,
Heat exchange mechanisms and control module are set on the cabinet, temperature sensor is set in the cabinet, the control module with it is described
Temperature sensor is electrically connected with, and the heat exchange mechanisms include being arranged on thermal insulation layer inside the leg of the cabinet, through described
Thermal insulation layer and the heat conduction contact being connected with the leg of the cabinet, and the rotating heat conducting mould being engaged with the heat conduction contact
Block, the rotating heat conducting module include thermally conductive sheet, and the thermally conductive sheet is connected by rotating shaft with motor, and the motor is set
Put in the cabinet, the thermally conductive sheet has the thermal conductive surface being engaged with the heat conduction contact, and the side of the cabinet is set
Placing box, the placing box is interior to set carbon dioxide holding tank, and the outlet of the carbon dioxide holding tank connects exhaust tube, described
Magnetic valve and booster pump are set on exhaust tube, nozzle carrier and Smoke Sensor, the nozzle are set at the top of the inwall of the cabinet
Seat is connected with the exhaust tube, and some nozzles, the magnetic valve, booster pump and Smoke Sensor difference are set on the nozzle carrier
Be connected with the control module, the leg of the cabinet is articles made of aluminium alloy, the aluminium alloy by following mass percents into
Divide and be made：
Mg：2.0~3.2%；
Si：3.5~4.5%；
Mn：0.2~0.3%；
Cr：0.1~0.2%；
Zr：0.18~0.25%；
Ti：0.35~0.40%；
Yb：0.15~0.3%；
Surplus is the impurity of Al and content≤0.05%.
2. sealing heat-conducting type outdoor power cabinet as claimed in claim 1, it is characterised in that：The control module includes being arranged on
PLC on the cabinet.
3. sealing heat-conducting type outdoor power cabinet as claimed in claim 1 or 2, it is characterised in that：The motor with it is described
Control module connects.
4. sealing heat-conducting type outdoor power cabinet as claimed in claim 1, it is characterised in that：The heat conduction contact is metal plate type
Structure.
5. sealing heat-conducting type outdoor power cabinet as claimed in claim 1, it is characterised in that：The thermally conductive sheet by elastic component with
The rotating shaft is connected.
6. sealing heat-conducting type outdoor power cabinet as claimed in claim 1, it is characterised in that：The aluminium alloy is by following quality hundred
The composition of fraction is made：
Mg：2.5%；
Si：3.8%；
Mn：0.25%；
Cr：0.14%；
Zr：0.21%；
Ti：0.36%；
Yb：0.23%；
Surplus is the impurity of Al and content≤0.05%.
7. the sealing heat-conducting type outdoor power cabinet as described in claim 1 or 6, it is characterised in that：The preparation side of the aluminium alloy
Method, comprise the following steps：
Step S1：Being matched by mentioned component and carry out alloy melting, the alloy melting temp is 720 DEG C -750 DEG C, insulation 10~
12 minutes, obtain alloy molten solution one；
Step S2：Refining agent is added in gained alloy molten solution one to be refined, the temperature of the refining is 730~740 DEG C, when
Between be 10~15 minutes, obtain alloy molten solution two；
Step S3：The alloy molten solution two is cooled down, extrudes, obtains ingot casting；
Step S4：The ingot casting is warming up to 450 DEG C with 0.72 DEG C/min speed, it is small that 10~12 are incubated at a temperature of 450 DEG C
When, carry out Homogenization Treatments；
Step S5：Ingot casting after Homogenization Treatments is incubated 1~1.2 hour under the conditions of 360 DEG C, 420 DEG C is warming up to and carries out heat
Roll, hot-rolled temperature is not less than 370 DEG C；
Step S6：Alloy material after hot rolling is heated to 485~500 DEG C, is incubated 5~7h, then water quenching to room temperature；
Step S7：Ageing Treatment is carried out to the alloy material after step S6 processing, obtains aluminum alloy materials.
8. sealing heat-conducting type outdoor power cabinet as claimed in claim 7, it is characterised in that：The refining agent is by following weight parts
Raw material be made：50~60 parts of two carbon of chlordeneization, 10~20 parts of potassium chloride, 20~30 parts of bentonite.
9. sealing heat-conducting type outdoor power cabinet as claimed in claim 7, it is characterised in that：The temperature of the Ageing Treatment is
165~180 DEG C, the time is 6~10h.
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| CN108823518A (en) * | 2018-07-05 | 2018-11-16 | 哈尔滨理工大学 | A kind of preparation method of high thermal conductivity alusil alloy bar |
| CN108941197A (en) * | 2018-07-05 | 2018-12-07 | 哈尔滨理工大学 | A kind of preparation method of high thermal conductivity alusil alloy plate |
| CN112546493A (en) * | 2020-12-08 | 2021-03-26 | 罗玉敏 | Fireproof alarm structure for cable trench of transformer substation |
| CN117729724A (en) * | 2024-01-04 | 2024-03-19 | 南京弘竹泰信息技术有限公司 | Self-closing flame-retardant communication cabinet |
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