CN107461956A - A kind of electronic product high/low temperature burn-in chamber - Google Patents
A kind of electronic product high/low temperature burn-in chamber Download PDFInfo
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- CN107461956A CN107461956A CN201710841834.9A CN201710841834A CN107461956A CN 107461956 A CN107461956 A CN 107461956A CN 201710841834 A CN201710841834 A CN 201710841834A CN 107461956 A CN107461956 A CN 107461956A
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- burn
- chamber
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/30—Solar heat collectors using working fluids with means for exchanging heat between two or more working fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S60/00—Arrangements for storing heat collected by solar heat collectors
- F24S60/30—Arrangements for storing heat collected by solar heat collectors storing heat in liquids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/003—Environmental or reliability tests
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a kind of electronic product high/low temperature burn-in chamber, it includes being arranged on the ducting system of burn-in chamber body interior, the ducting system is made up of circulation air path, circulation air path is provided with 4 air outlets and 2 return air inlets, and described air outlet is arranged on the circulation air path in burn-in chamber inner top；Described return air inlet is arranged on burn-in chamber inner bottom, and two return air inlets are symmetrically arranged on the circulation air path both sides of burn-in chamber internal side wall；Circulating fan and indoor heat converter are additionally provided with described circulation air path, described circulating fan is driven by blower motor to be rotated, and described indoor heat converter is the evaporator or condenser that each serve as heating or the effect of the air in kind of refrigeration cycle air channel in heat pump；The other parts of heat pump are arranged on the outside of burn-in chamber main body；The circulation air path includes a main air feed air channel being horizontally set in burn-in chamber inside top surface.
Description
Technical field
The present invention relates to a kind of aging room of electronic product, specifically for high/low temperature degradation.
Background technology
Burn-in chamber is to simulate a kind of high temperature, the equipment of severe test environment for High performance electronics, is to improve production
Product stability, the important tests equipment of reliability, the equipment have been widely used for power supply electronic, computer, communication, bio-pharmaceuticals
Deng field.
Current burn-in chamber heating mainly heats air with electric heater and leans on the circulated air of blower fan and pipeline to carry
High burn-in chamber temperature.During burn-in test, electrical heating power consumption is big, and when needing appropriate cooling, traditional approach is to open room
Door carries out air circulation, and its cooling-down effect is poor, and it is uneven to cause to cool, and heating can be brought to working environment by opening door
Influence；
At the same time, existing Duct design is unreasonable, and return air and air-out only have a mouth, the uniformity during whole use
It is poor.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that provide a kind of electronic product
High/low temperature burn-in chamber, air outlet is more, and air-out is uniform, two return air inlets can uniform return air, promote heating refrigeration uniform；The present invention
Air channel can also realize air draft, promote to cool, and temperature-fall period need not open door.
In order to achieve the above object, the present invention is achieved using following technical scheme：
A kind of electronic product high/low temperature burn-in chamber, including the ducting system of burn-in chamber body interior is arranged on, the ducting system
It is made up of circulation air path, circulation air path is provided with 4 air outlets and 2 return air inlets, and described air outlet is arranged in burn-in chamber
On circulation air path on portion's top plate；
Described return air inlet is arranged on burn-in chamber inner bottom, and two return air inlets are symmetrically arranged on following for burn-in chamber internal side wall
Ring air channel both sides；
Circulating fan and indoor heat converter are additionally provided with described circulation air path, described circulating fan passes through blower motor
Rotation is driven, described indoor heat converter is to each serve as heating or the air in kind of refrigeration cycle air channel in heat pump
The evaporator or condenser of effect；The other parts of heat pump are arranged on the outside of burn-in chamber main body；
The circulation air path includes a main air feed air channel being horizontally set in burn-in chamber inside top surface；Main air feed air channel passes through
It is 4 air outlet air feeds to connect four branch road air feed air channels；
The circulating fan is arranged on inside the main air feed air channel, and the blower motor of circulating fan is arranged on outside burn-in chamber main body
The top surface in portion, the output shaft of blower motor through burn-in chamber main body top plate deeply to inside the main air feed air channel；Blower fan electricity
The output shaft end of machine installs horizontally arranged impeller；Along main air feed air channel air feed direction and it is located at the impeller rear
Exhaust duct and blast pipe perpendicular to main air feed air channel are disposed with, exhaust valve is installed respectively on exhaust duct and blast pipe and entered
Air-valve, and install a circulating valve on the main air feed air channel between exhaust duct and blast pipe additional, described exhaust valve, air inlet valve and
Circulating valve is ball valve, and the rotary shaft of ball valve fully opens after being rotated by 90 °, and continues to be rotated by 90 ° to close completely, and as row
When air-valve and air inlet valve fully open, circulating valve closes completely.
As the preferred embodiment of the present invention：The output shaft end suit bevel gear pair of the impeller and blower motor,
The transmission of vertical axis is realized, bevel gear pair is arranged on transmission enclosure interior, and transmission sub-shell is arranged on transmission fixed mount.
As the preferred embodiment of the present invention：Pacify on the top plate of burn-in chamber main body between the exhaust duct and blast pipe
Fill a valve driving machine, sprocket wheel is installed in the rotary shaft of the power transmission shaft of the valve driving machine and three ball valves, all sprocket wheels lean on and it
The chain drive of engagement, the switch of electronic three ball valves of control of valve driving machine.
As the preferred embodiment of the present invention：The heat pump is double-standard heat pump, its indoor heat converter
Can heat to freeze；In the heat pump, refrigerant tubing is sequentially connected heat pump compressor, four-way valve, Indoor Thermal
Exchanger, throttling arrangement, outdoor heat converter, gas-liquid separator, final refrigerant tubing accesses heat pump compressor again, described
Outdoor heat converter end is installed by cooling fan.
As the preferred embodiment of the present invention：Also include being evenly arranged in the temperature sensor inside burn-in chamber, it is described
Temperature sensor is thermocouple, and thermocouple is uniformly suspended on burn-in chamber body interior；Also include an electric cabinet, electric cabinet uses
Touch-screen jointly controls all electric equipments of burn-in chamber with PLC；The burn-in chamber main body front is provided with door and window；It is described old
Change room body interior and be additionally provided with explosion-proof lamp.
As the preferred embodiment of the present invention：The side wall of the burn-in chamber main body and top have made heat-insulation layer, described
Refractory fibre insulation material is filled with heat-insulation layer.
As the preferred embodiment of the present invention：Also it is included as the refrigeration train that the burn-in chamber body interior provides refrigeration
Part；
The cooling assembly includes heat collection unit, heat exchange unit, condensing unit, refrigerant circulation unit and sweat cooling list
Member；Wherein, heat collection unit includes solar energy heat collector, and the pipeline of heat collection unit connects the heat storage water tank in heat exchange unit,
Pipeline takes back heat collection unit again after heat storage water tank；Filling heat-conducting medium in the pipeline of the heat collection unit；Above-mentioned heat exchange
Unit includes heat storage water tank, circulating pump, heat exchanger and is sequentially connected by pipeline, forms a heat exchange loop；Heat exchange list
Filling heat-conducting medium in first pipeline；Above-mentioned condensing unit includes condenser, cooling tower, cooling water pump, passes through pipeline successively phase
Even form a chilled(cooling) water return (CWR)；Filling water in the pipeline of condensing unit；Above-mentioned refrigerant circulation unit includes compressor, adjusted
Valve is saved, a loop is connected to form with heat exchanger, cold energy device, evaporator by pipeline successively；The pipe of refrigerant circulation unit
Refrigerant is filled in road；Above-mentioned sweat cooling unit includes evaporator, chilled water pump；Evaporator and chilled water pump pass through pipeline
It is sequentially connected to form a kind of refrigeration cycle；Filling refrigerant in sweat cooling unit pipe；Evaporator is arranged on the main air feed
In air channel；Heat-conducting medium in the heat collection unit pipeline is conduction oil.
As the preferred embodiment of the present invention：Wind output channel, air draft are provided with outside the side wall of the burn-in chamber main body
Exhaust fan is installed, wind output channel is provided with motorized window with burn-in chamber body top and connected, in motorized window and burn-in chamber on air channel
Portion connects；Wind pressure sensor is provided with wind output channel；The exhaust fan includes motor exhaust；The burn-in chamber main body is just
Face is correspondingly arranged on window, and the window is cold wind import motorized window.
As the preferred embodiment of the present invention：The burn-in chamber body interior is provided with for placing the old of product to be measured
Change frame；The ageing rack is sandwich construction, and every layer is provided with the inclined shore frame for placing product to be measured.
As the preferred embodiment of the present invention：Every layer of ageing rack back side is provided with cabling channel, and cabling channel corresponds to each
The position of inclined shore frame is provided with power supply audio frequency and video jack；12 tunnel video and audio amplification distribution are mounted on every layer of ageing rack
Device；The bottom of ageing rack sets an eight tunnel video and audio amplification distributors.
Present invention has the advantages that：
A kind of electronic product high/low temperature burn-in chamber disclosed by the invention, including the ducting system of burn-in chamber body interior is arranged on,
The ducting system is made up of circulation air path, and circulation air path is provided with 4 air outlets and 2 return air inlets, described air outlet peace
On the circulation air path in burn-in chamber inner top；Four air outlets are uniform, and 2 return air inlets also cause and air outlet pair
Answer, return air while symmetrical, the overall uniformity is very outstanding in actual test；
The described return air inlet of the present invention is arranged on burn-in chamber inner bottom, and two return air inlets are symmetrically arranged on inside burn-in chamber
The circulation air path both sides of side wall；Bottom return air, top air-out cause whole air channel to form a big circulation, and effect is very good；
Circulating fan and indoor heat converter are additionally provided with the described circulation air path of the present invention, described circulating fan passes through
Blower motor drives rotation, and described indoor heat converter is each serving as in heating or kind of refrigeration cycle air channel in heat pump
Air effect evaporator or condenser；The other parts of heat pump are arranged on the outside of burn-in chamber main body；Heat pump skill
Art is in refrigeration equivalent to air-conditioning；It is more relative than air-conditioning during heating to save；More saved compared to electrical heating；
The circulation air path of the present invention includes a main air feed air channel being horizontally set in burn-in chamber inside top surface；Main air feed
Air channel is 4 air outlet air feeds by connecting four branch road air feed air channels；Main air feed air channel can concentrate placement heat exchanger and
The devices such as blower fan, repair and maintenance is convenient, while also ensures that heating refrigeration and wind circulate relatively reliable completion.
The circulating fan of the present invention is arranged on inside the main air feed air channel, and the blower motor of circulating fan is arranged on
The top surface of burn-in chamber body exterior, the output shaft of blower motor pass through the top plate of burn-in chamber main body deeply to the main air feed air channel
It is internal；The output shaft end of blower motor installs horizontally arranged impeller；The blower motor of the present invention except output shaft, its
Remaining part point is arranged on burn-in chamber body top, therefore repair and maintenance is convenient, is completely absent heat dissipation problem, reliable and stable can transport
OK；The present invention is disposed with perpendicular to main air feed air channel along main air feed air channel air feed direction and positioned at the impeller rear
Exhaust valve and air inlet valve be installed respectively on exhaust duct and blast pipe, exhaust duct and blast pipe, and exhaust duct and blast pipe it
Between main air feed air channel on install a circulating valve additional, described exhaust valve, air inlet valve and circulating valve are ball valve, and the rotary shaft of ball valve exists
Fully opened after being rotated by 90 °, continue to be rotated by 90 ° as closure, and when exhaust valve and air inlet valve fully open completely, circulation
Valve closes completely.When needing air draft, close circulating valve and can be achieved to pass through circulation air path air draft, without opening door；Circulation
The air draft of passage can also introduce cool exterior air, and hot-air is immediately discharged into outdoor.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of embodiment of the present invention；
Fig. 2 is the structural representation of another embodiment of the present invention；
Fig. 3 is a kind of positive structure schematic of embodiment of the present invention；
Fig. 4 is a kind of structural representation of the overlook direction of embodiment of the present invention；
Fig. 5 is a kind of structural representation of preferred embodiment of the present invention；
Fig. 6 is the structural representation of another preferred embodiment of the present invention；
Fig. 7 is a kind of distributed architecture schematic diagram of the thermocouple of embodiment of the present invention；
Fig. 8 is a kind of structural representation of embodiment of the ageing rack of the present invention；
Fig. 9 is a kind of structural representation of preferred embodiment of the ageing rack of the present invention.
Description of reference numerals：
1- burn-in chamber main bodys, 3- heat-insulation layers, 4- circulation air paths, 5- return air inlets, 6- circulating fans, 7- indoor heat converters,
8- heat pumps, 9- blower motors, 10- exhaust ducts, 11- blast pipes, 12- explosion-proof lamps, 13- thermocouples, the air outlets of 21- first,
The air outlets of 22- second, the air outlets of 23- the 3rd, the air outlets of 24- the 4th, the return air inlets of 51- first, the return air inlets of 52- second；
81- outdoor fans, 82- outdoor heat converters, 83- gas-liquid separators, 84- throttling arrangements, 85- heat pump compressors,
86- refrigerant tubings, 87- four-way valves；
104- is driven sub-shell, 105- transmission fixed mounts, 107- bevel gears, 108- impellers, 109- exhaust valves, 112- air intakes
Valve, 113- valve driving machines；
201- heat storage water tanks, 202- circulating pumps, 203- heat exchangers, 204- compressors, 205- condensers, 6- cooling towers, 207-
Cooling water pump, 208- regulating valves, 209- evaporators, 210- chilled water pumps, 212- solar energy heat collectors；
301- doors, 302- windows, 303- electrical control cubicles, 304- high/low temperature pipelines, 305- exhaust fans, 306- wind output channels, 307- rows
Wind turbine, 308- wind pressure sensors, 309- motorized windows, 310- cold wind import motorized windows；
The tunnel video and audio amplification distributors of 401- 12, the tunnel video and audio amplification distributors of 402- eight, 403- power supply audio frequency and video jacks,
404- cabling channels, 405- ageing racks, 406- inclined shore framves..
Embodiment
Below in conjunction with the accompanying drawings and embodiment describes the specific embodiment of the invention：
As shown in Fig. 1~9, it illustrates the embodiment of the present invention, as illustrated, a kind of electronics production disclosed by the invention
Product high/low temperature burn-in chamber, including the ducting system of burn-in chamber body interior is arranged on, the ducting system is made up of circulation air path,
Circulation air path is provided with 4 air outlets（First air outlet 21, the second air outlet 22, the 3rd air outlet 23 and the 4th air outlet 24）
With 2 return air inlets, described air outlet is arranged on the circulation air path in burn-in chamber inner top；
Described return air inlet is arranged on burn-in chamber inner bottom, and two return air inlets are symmetrically arranged on following for burn-in chamber internal side wall
Ring air channel both sides；
Circulating fan and indoor heat converter 7 are additionally provided with described circulation air path, described circulating fan passes through blower fan electricity
Machine 9 drives rotation, and described indoor heat converter is the sky each served as in heating or kind of refrigeration cycle air channel in heat pump
The evaporator or condenser of the effect of gas；The other parts of heat pump are arranged on the outside of burn-in chamber main body；
The circulation air path includes a main air feed air channel being horizontally set in burn-in chamber inside top surface；Main air feed air channel passes through
It is 4 air outlet air feeds to connect four branch road air feed air channels；
The circulating fan is arranged on inside the main air feed air channel, and the blower motor of circulating fan is arranged on outside burn-in chamber main body
The top surface in portion, the output shaft of blower motor through burn-in chamber main body top plate deeply to inside the main air feed air channel；Blower fan electricity
The output shaft end of machine installs horizontally arranged impeller 108；Along main air feed air channel air feed direction and it is located at the impeller
Rear is disposed with exhaust duct 10 and blast pipe 11 perpendicular to main air feed air channel, installation row respectively on exhaust duct and blast pipe
Air-valve 109 and air inlet valve 112, and install a circulating valve additional on the main air feed air channel between exhaust duct and blast pipe, it is described
Exhaust valve, air inlet valve and circulating valve are ball valve, and the rotary shaft of ball valve fully opens after being rotated by 90 °, and continue to be rotated by 90 ° to be complete
Complete closure, and when exhaust valve and air inlet valve fully open, circulating valve closes completely.
Preferably, as shown in the figure：The output shaft end suit bevel gear pair of the impeller and blower motor, realizes vertical axis
Transmission, bevel gear pair is arranged on transmission enclosure interior, and transmission sub-shell is arranged on transmission fixed mount 105.This implementation
The structure of example, reliably realize driving of the vertically-mounted motor realization to impeller axle for the impeller of horizontal direction.
Preferably, as shown in the figure：A valve is installed on the top plate of burn-in chamber main body between the exhaust duct and blast pipe
Sprocket wheel is installed, all sprocket wheels are by engaging in the rotary shaft of motor 113, the power transmission shaft of the valve driving machine and three ball valves
Chain drive, the switch of electronic three ball valves of control of valve driving machine.The present embodiment realizes row by chain sprocket and motor
The Electronic control of wind, it is very convenient.
Preferably, as shown in the figure：The heat pump is double-standard heat pump, and its indoor heat converter can heat
It can freeze；In the heat pump, refrigerant tubing is sequentially connected heat pump compressor 86, four-way valve 87, indoor heat converter
7, throttling arrangement 84, outdoor heat converter 82, gas-liquid separator 83, final refrigerant tubing accesses heat pump compressor again, described
Outdoor heat converter end installation cooling fan.Heat pump disclosed in the present embodiment, can be with refrigerated medium based on air-conditioning principle
Heat.
Preferably, as shown in the figure：Also include being evenly arranged in the temperature sensor inside burn-in chamber, the temperature sensor
For thermocouple, thermocouple is uniformly suspended on burn-in chamber body interior；Also include an electric cabinet, electric cabinet using touch-screen with
PLC jointly controls all electric equipments of burn-in chamber；The burn-in chamber main body front is provided with door and window；The burn-in chamber main body
Inside is additionally provided with explosion-proof lamp.Structure disclosed in the present embodiment make it that the configuration of burn-in chamber is more comprehensive, can realize reliable
Large-scale electronic product continuously measures.
Preferably, as shown in the figure：The side wall of the burn-in chamber main body and top have made heat-insulation layer 3, in the heat-insulation layer
Filled with refractory fibre insulation material.Insulation construction can greatly reduce the power consumption of cooling and warming.
Preferably, as shown in the figure：Also it is included as the cooling assembly that the burn-in chamber body interior provides refrigeration；
The cooling assembly includes heat collection unit, heat exchange unit, condensing unit, refrigerant circulation unit and sweat cooling list
Member；Wherein, heat collection unit includes solar energy heat collector 212, and the pipeline of heat collection unit connects the water storage in heat exchange unit
Case, pipeline take back heat collection unit again after heat storage water tank；Filling heat-conducting medium in the pipeline of the heat collection unit；Above-mentioned heat friendship
Change unit to be sequentially connected by pipeline including heat storage water tank 201, circulating pump 202, heat exchanger 203, form a heat exchange and return
Road；Filling heat-conducting medium in heat exchange unit pipeline；Above-mentioned condensing unit includes condenser 205, cooling tower 206, cooling water
Pump 207, it is sequentially connected to form a chilled(cooling) water return (CWR) by pipeline；Filling water in the pipeline of condensing unit；Above-mentioned refrigerant
Cycling element includes compressor 204, regulating valve, and one is connected to form with heat exchanger, cold energy device, evaporator successively by pipeline
Loop；Filling refrigerant in the pipeline of refrigerant circulation unit；Above-mentioned sweat cooling unit includes evaporator 209, chilled water
Pump 210；Evaporator and chilled water pump are sequentially connected to form a kind of refrigeration cycle by pipeline；Filled in sweat cooling unit pipe
Refrigerant；Evaporator is arranged in the main air feed air channel；Heat-conducting medium in the heat collection unit pipeline is conduction oil.This reality
Apply example and disclose single refrigeration structure, it utilizes the refrigeration system of solar energy, by using the heat of solar energy by refrigerant
Fully heated up, reduce the burden of compressor, greatly reduce the power consumption of refrigeration system, energy-conserving and environment-protective.
Preferably, as shown in the figure：Wind output channel 306 is provided with outside the side wall of the burn-in chamber main body, on wind output channel
Exhaust fan 305 is installed, wind output channel is provided with motorized window 309 with burn-in chamber body top and connected, in motorized window and burn-in chamber
Portion connects；Wind pressure sensor 308 is provided with wind output channel；The exhaust fan includes motor exhaust 307；The burn-in chamber
Main body front is correspondingly arranged on window, and the window is cold wind import motorized window 310.Present embodiment discloses new air draft knot
Structure so that air draft process can be rapidly completed, it is therefore prevented that overheat or surfusion；Simultaneously also can be after off-test, quickly
Recover burn-in chamber temperature so that the completion product of the reliable safety of staff picks and places.
Preferably, as shown in the figure：The burn-in chamber body interior is provided with the ageing rack 405 for placing product to be measured；
The ageing rack is sandwich construction, and every layer is provided with the inclined shore frame 406 for placing product to be measured.The present embodiment aging
Frame can prevent product on a large scale, and product and air contact area can be increased by being obliquely installed support member, improve test effect.
Preferably, as shown in the figure：Every layer of ageing rack back side is provided with cabling channel 404, the corresponding each inclination branch of cabling channel
The position of support is provided with power supply audio frequency and video jack 403；12 tunnel video and audio amplification distributors are mounted on every layer of ageing rack
401；The bottom of ageing rack sets an eight tunnel video and audio amplification distributors 402.The present embodiment is that product carries out normal power-up work
Provide possibility as detection, can be perfect realize properties of product burn-in test, aging structure is more authoritative reliable.
The preferred embodiment for the present invention is explained in detail above in conjunction with accompanying drawing, but the invention is not restricted to above-mentioned implementation
Mode, can also be on the premise of present inventive concept not be departed from those of ordinary skill in the art's possessed knowledge
Make a variety of changes, these changes are related to correlation technique well-known to those skilled in the art, and these both fall within patent of the present invention
Protection domain.
Many other changes and remodeling can be made by not departing from the spirit and scope of the present invention.It should be appreciated that the present invention is not
It is limited to specific embodiment, the scope of the present invention is defined by the following claims.
Claims (10)
- A kind of 1. electronic product high/low temperature burn-in chamber, it is characterised in that：Ducting system including being arranged on burn-in chamber body interior, The ducting system is made up of circulation air path, and circulation air path is provided with 4 air outlets and 2 return air inlets, described air outlet peace On the circulation air path in burn-in chamber inner top；Described return air inlet is arranged on burn-in chamber inner bottom, and two return air inlets are symmetrically arranged on following for burn-in chamber internal side wall Ring air channel both sides；Circulating fan and indoor heat converter are additionally provided with described circulation air path, described circulating fan passes through blower motor Rotation is driven, described indoor heat converter is to each serve as heating or the air in kind of refrigeration cycle air channel in heat pump The evaporator or condenser of effect；The other parts of heat pump are arranged on the outside of burn-in chamber main body；The circulation air path includes a main air feed air channel being horizontally set in burn-in chamber inside top surface；Main air feed air channel passes through It is 4 air outlet air feeds to connect four branch road air feed air channels；The circulating fan is arranged on inside the main air feed air channel, and the blower motor of circulating fan is arranged on outside burn-in chamber main body The top surface in portion, the output shaft of blower motor through burn-in chamber main body top plate deeply to inside the main air feed air channel；Blower fan electricity The output shaft end of machine installs horizontally arranged impeller；Along main air feed air channel air feed direction and it is located at the impeller rear Exhaust duct and blast pipe perpendicular to main air feed air channel are disposed with, exhaust valve is installed respectively on exhaust duct and blast pipe and entered Air-valve, and install a circulating valve on the main air feed air channel between exhaust duct and blast pipe additional, described exhaust valve, air inlet valve and Circulating valve is ball valve, and the rotary shaft of ball valve fully opens after being rotated by 90 °, and continues to be rotated by 90 ° to close completely, and as row When air-valve and air inlet valve fully open, circulating valve closes completely.
- A kind of 2. electronic product high/low temperature burn-in chamber as claimed in claim 1, it is characterised in that：The impeller and blower motor Output shaft end suit bevel gear pair, realize the transmission of vertical axis, bevel gear pair is arranged on transmission enclosure interior, transmission Housing is arranged on transmission fixed mount.
- A kind of 3. electronic product high/low temperature burn-in chamber as claimed in claim 1, it is characterised in that：The exhaust duct and blast pipe Between burn-in chamber main body top plate on the rotary shaft of a valve driving machine, the power transmission shaft of the valve driving machine and three ball valves is installed Upper installation sprocket wheel, all sprocket wheels are by the chain drive engaged, the switch of electronic three ball valves of control of valve driving machine.
- A kind of 4. electronic product high/low temperature burn-in chamber as claimed in claim 1, it is characterised in that：The heat pump is double systems Formula heat pump, its indoor heat converter, which can heat, to freeze；In the heat pump, refrigerant tubing is sequentially connected Heat pump compressor, four-way valve, indoor heat converter, throttling arrangement, outdoor heat converter, gas-liquid separator, final refrigerant pipe Road accesses heat pump compressor, described outdoor heat converter end installation cooling fan again.
- A kind of 5. electronic product high/low temperature burn-in chamber as claimed in claim 1, it is characterised in that：Also include being evenly arranged in always Change the temperature sensor inside room, the temperature sensor is thermocouple, and thermocouple is uniformly suspended on burn-in chamber body interior； Also include an electric cabinet, electric cabinet jointly controls all electric equipments of burn-in chamber using touch-screen with PLC；The aging house-owner Body front is provided with door and window；The burn-in chamber body interior is additionally provided with explosion-proof lamp.
- A kind of 6. electronic product high/low temperature burn-in chamber as claimed in claim 1, it is characterised in that：The side of the burn-in chamber main body Wall and top have made heat-insulation layer, and refractory fibre insulation material is filled with the heat-insulation layer.
- A kind of 7. electronic product high/low temperature burn-in chamber as claimed in claim 1, it is characterised in that：Also it is included as the burn-in chamber Body interior provides the cooling assembly of refrigeration；The cooling assembly includes heat collection unit, heat exchange unit, condensing unit, refrigerant circulation unit and sweat cooling list Member；Wherein, heat collection unit includes solar energy heat collector, and the pipeline of heat collection unit connects the heat storage water tank in heat exchange unit, Pipeline takes back heat collection unit again after heat storage water tank；Filling heat-conducting medium in the pipeline of the heat collection unit；Above-mentioned heat exchange Unit includes heat storage water tank, circulating pump, heat exchanger and is sequentially connected by pipeline, forms a heat exchange loop；Heat exchange list Filling heat-conducting medium in first pipeline；Above-mentioned condensing unit includes condenser, cooling tower, cooling water pump, passes through pipeline successively phase Even form a chilled(cooling) water return (CWR)；Filling water in the pipeline of condensing unit；Above-mentioned refrigerant circulation unit includes compressor, adjusted Valve is saved, a loop is connected to form with heat exchanger, cold energy device, evaporator by pipeline successively；The pipe of refrigerant circulation unit Refrigerant is filled in road；Above-mentioned sweat cooling unit includes evaporator, chilled water pump；Evaporator and chilled water pump pass through pipeline It is sequentially connected to form a kind of refrigeration cycle；Filling refrigerant in sweat cooling unit pipe；Evaporator is arranged on the main air feed In air channel；Heat-conducting medium in the heat collection unit pipeline is conduction oil.
- A kind of 8. electronic product high/low temperature burn-in chamber as claimed in claim 1, it is characterised in that：The side of the burn-in chamber main body Wind output channel is provided with outside wall, exhaust fan is installed on wind output channel, wind output channel is provided with electricity with burn-in chamber body top Dynamic window connection, motorized window inside burn-in chamber with connecting；Wind pressure sensor is provided with wind output channel；The exhaust fan includes Motor exhaust；The burn-in chamber main body front is correspondingly arranged on window, and the window is cold wind import motorized window.
- A kind of 9. electronic product high/low temperature burn-in chamber as claimed in claim 1, it is characterised in that：The burn-in chamber body interior It is provided with the ageing rack for placing product to be measured；The ageing rack is sandwich construction, every layer be provided with it is to be measured for placing The inclined shore frame of product.
- A kind of 10. electronic product high/low temperature burn-in chamber as claimed in claim 9, it is characterised in that：Every layer of ageing rack back side is equal Cabling channel is provided with, the position that cabling channel corresponds to each inclined shore frame is provided with power supply audio frequency and video jack；On every layer of ageing rack It is mounted on 12 tunnel video and audio amplification distributors；The bottom of ageing rack sets an eight tunnel video and audio amplification distributors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710841834.9A CN107461956A (en) | 2017-09-18 | 2017-09-18 | A kind of electronic product high/low temperature burn-in chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710841834.9A CN107461956A (en) | 2017-09-18 | 2017-09-18 | A kind of electronic product high/low temperature burn-in chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107461956A true CN107461956A (en) | 2017-12-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710841834.9A Withdrawn CN107461956A (en) | 2017-09-18 | 2017-09-18 | A kind of electronic product high/low temperature burn-in chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107461956A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115235282A (en) * | 2022-09-22 | 2022-10-25 | 四川恩巨实业有限公司 | Aging system and control method thereof |
-
2017
- 2017-09-18 CN CN201710841834.9A patent/CN107461956A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115235282A (en) * | 2022-09-22 | 2022-10-25 | 四川恩巨实业有限公司 | Aging system and control method thereof |
| CN115235282B (en) * | 2022-09-22 | 2022-12-02 | 四川恩巨实业有限公司 | Aging system and control method thereof |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171212 |
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| WW01 | Invention patent application withdrawn after publication |