CN115235282B - Aging system and control method thereof - Google Patents
Aging system and control method thereof Download PDFInfo
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- CN115235282B CN115235282B CN202211154492.0A CN202211154492A CN115235282B CN 115235282 B CN115235282 B CN 115235282B CN 202211154492 A CN202211154492 A CN 202211154492A CN 115235282 B CN115235282 B CN 115235282B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0014—Recuperative heat exchangers the heat being recuperated from waste air or from vapors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- General Engineering & Computer Science (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The invention provides an aging system and a control method thereof, relating to a test device of electrical performance. The aging system comprises an aging cabinet and a heat exchange cabinet communicated with a pipeline of the aging cabinet, an electric air volume adjusting valve is arranged on the pipeline, a circulating flow channel is arranged in the aging cabinet, a heat dissipation assembly communicated with the circulating flow channel is arranged on the aging cabinet, a heating assembly and an air inducing assembly are arranged in the circulating flow channel, a gas dissipation bin is arranged in the heat exchange cabinet, the gas dissipation bin is arranged on the gas dissipation bin, a heat exchange assembly is arranged on the lower portion of the gas dissipation bin, the pipeline between the heat exchange cabinet and the aging cabinet comprises an air inlet pipe and an air outlet pipe, an air exhauster is arranged in the air inlet pipe, one ends of the air inlet pipe and the air outlet pipe are communicated with the circulating flow channel, the other end of the air inlet pipe is communicated with the gas dissipation bin, and the other end of the air outlet pipe is communicated with the heat exchange cabinet on the gas dissipation bin and on the lower portion of the gas dissipation bin. The control method of the aging system comprises the following steps: the heat is introduced into the heat exchange cabinet for storage when the aging cabinet needs to be cooled, and the heat stored in the heat exchange cabinet can be used for heating the aging cabinet.
Description
Technical Field
The invention relates to a testing device of electrical performance, in particular to an aging system and a control method thereof.
Background
The aging cabinet, also called as a burning cabinet, is a device for simulating a high-temperature severe environment test for high-performance electronic products, is an important experimental device for improving the stability and reliability of products, is an important production process for improving the product quality and competitiveness of various production enterprises, and is widely applied to the fields of power supply electronics, computers, communication and the like. The aging equipment heats and raises the internal temperature in the aging process, and the internal temperature is at the set aging temperature, so that the stability of the aging measurement precision of the electrical element is ensured. The electric elements can generate heat in the aging process, so that the temperature in the aging cabinet rises, and the temperature in the aging cabinet needs to be regulated to be in a set constant temperature state.
Among the prior art, ageing cabinet is direct lets in outside air inside usually, reaches the inside cooling to ageing cabinet, makes it be in the purpose of settlement temperature. However, the difference between the temperature of the external air and the temperature of the air in the aging cabinet is large, so that the cabinet body is greatly fluctuated in temperature, the stability of the aging measurement precision of the electrical elements is influenced, and the introduction of the external cold air for cooling also causes the waste of the redundant heat in the aging cabinet. After the ageing cabinet is aged, generally directly open the cabinet door and dispel the heat the back and take out the component, and some ageing cabinets that ageing temperature is higher still need carry out the air current circulation through thermovent and external intercommunication in advance and realize the cooling, have also caused thermal waste. If can with the heat recovery storage of above-mentioned waste, utilize when ageing cabinet needs the intensification, can improve heat utilization rate, especially recoverable and the utilization a large amount of heats when many ageing cabinets operation.
Disclosure of Invention
The invention aims to develop an aging system and a control method thereof, wherein the aging system recovers redundant heat or heat to be dissipated in an aging cabinet, and the recovered heat is used for warming the aging cabinet to improve the heat utilization rate.
The invention is realized by the following technical scheme:
an aging system, comprising:
an aging cabinet;
the circulating flow channel is arranged in the inner wall of the aging cabinet and is provided with an air hole communicated with the inside of the aging cabinet;
the heat dissipation assembly is arranged on the aging cabinet and communicated with the circulating flow channel;
the heating assembly is arranged in the circulating flow passage;
the air inducing assembly is arranged in the circulating flow channel;
the heat exchange cabinet is communicated with the aging cabinet through a pipeline;
the electric air volume adjusting valve is arranged on a pipeline between the heat exchange cabinet and the aging cabinet;
the air dissipation bin is arranged in the heat exchange cabinet;
the through holes are uniformly distributed at the top and the bottom of the air dispersing bin in a matrix manner;
the two heat exchange assemblies are arranged in the heat exchange cabinets at the upper part and the lower part of the air dispersing bin;
the temperature sensor is arranged in the aging cabinet and the heat exchange cabinet;
the temperature protector is arranged in the aging cabinet and matched with the heat dissipation assembly;
the pipeline between the heat exchange cabinet and the aging cabinet comprises an air inlet pipe and an air outlet pipe, an exhaust fan is arranged in the air inlet pipe, one ends of the air inlet pipe and the air outlet pipe are communicated with the circulating flow channel, the other end of the air inlet pipe is communicated with the air dispersing bin, and the other end of the air outlet pipe is communicated with the heat exchange cabinets on the upper portion and the lower portion of the air dispersing bin.
Optionally, the heat exchange assembly comprises two fixing nets horizontally arranged in the heat exchange cabinet, the two fixing nets are arranged up and down, a plurality of air cylinders are arranged between the two fixing nets, two ends of the air cylinders are respectively connected with the two fixing nets, and heat accumulators are arranged between the two fixing nets and in a surrounding area formed by the outer sides of the air cylinders.
Optionally, the circulating flow channel comprises an air inlet channel and an air outlet channel which are respectively arranged in two side walls of the aging cabinet and heating air channels which are arranged at the top and the bottom of the aging cabinet, two ends of the air inlet channel and two ends of the air outlet channel are respectively communicated with the two heating air channels, and the heating assembly and the induced air assembly are arranged in the heating air channels.
Optionally, gaps exist between the heat exchange assemblies at the upper part and the lower part of the gas dissipation bin and the top and the bottom of the heat exchange cabinet, an upper gas cavity and a lower gas cavity are formed respectively, two gas outlet pipes communicated with the upper gas cavity and the lower gas cavity are arranged on the heat exchange cabinet, the two gas outlet pipes are communicated with the end parts, far away from the air inlet duct, of the two heating air ducts respectively, and the air inlet pipes are communicated with the middle parts of the air outlet ducts.
Optionally, the heating assembly comprises a fin electric heating pipe arranged in the heating air duct, the fin electric heating pipe is arranged in the middle of the heating air duct, and the induced draft assembly comprises induced draft fans arranged in the heating air ducts on two sides of the fin electric heating pipe.
Optionally, the top and the bottom of the air outlet channel are respectively provided with a moisture absorption assembly, and the top and the bottom of the air inlet channel are respectively provided with a moisture detection assembly.
Optionally, a plurality of support pieces are arranged in the circulation flow channel, each support piece includes two support rods, the two support rods are arranged in an X shape in a crossed manner, support pads are respectively arranged at two ends of each support rod, and each support pad is connected with the inner wall of the corresponding circulation flow channel.
Optionally, the radiating assembly comprises a radiating block arranged at the top of the aging cabinet, a plurality of strip-shaped radiating grooves are formed in the radiating block, the plurality of strip-shaped radiating grooves are parallel to each other and are arranged at equal intervals, a wind shield is arranged in the radiating block in a sliding mode and horizontally slides along the length direction of the vertical radiating grooves, and ventilating grooves matched with the radiating grooves are formed in the corresponding positions of the wind shield.
Optionally, the two sides of the wind shield are provided with sliders, slide rails matched with the sliders are arranged at corresponding positions on the heat dissipation block, a spring telescopic rod is arranged in each slide rail, two ends of the spring telescopic rod are respectively connected with the end portion of each slide rail and the corresponding slider, a support is arranged on the heat dissipation block at the corresponding position outside the length direction of each slide rail, and electromagnets matched with each other are respectively arranged on the sliders and the supports.
A control method of an aging system comprises the following steps:
step A, opening an aging cabinet to put electronic elements into the aging cabinet for aging, enabling an induced air assembly and a heating assembly to operate after the aging cabinet is closed, generating circulating airflow in the aging cabinet, enabling the circulating airflow to circularly flow between a circulating flow channel and the inside of the aging cabinet, heating the circulating airflow by the heating assembly, enabling the heating assembly to operate according to the temperature in the aging cabinet, and enabling the induced air assembly to operate according to the maximum temperature difference in the aging cabinet;
b, continuously heating the heating assembly in the aging cabinet, wherein when the temperature in the aging cabinet is different from the set temperature by 10 ℃ or below, the heating value of the heating assembly is reduced along with the rise of the temperature in the aging cabinet, and the heating value of the heating assembly is smaller when the temperature in the aging cabinet is closer to the set temperature until the temperature in the aging cabinet reaches the set temperature;
step C, after the temperature in the aging cabinet is higher than the set temperature, the heating assembly is closed, the exhaust fan and the electric air volume adjusting valve are opened, so that air flow circulation is realized between the aging cabinet and the heat exchange cabinet, redundant heat in the aging cabinet is absorbed and stored by the heat exchange cabinet, the closer the temperature in the aging cabinet is to the set temperature, the smaller the operation speed of the exhaust fan and the opening of the electric air volume adjusting valve are, and when the temperature in the aging cabinet is reduced to the set temperature or is not higher than the temperature in the heat exchange cabinet, the exhaust fan and the electric air volume adjusting valve are in a closed state;
d, when the temperature fed back by the temperature sensor in the heat exchange cabinet is greater than or equal to the temperature in the aging cabinet and the temperature in the aging cabinet is still greater than the set temperature, the exhaust fan and the electric air volume adjusting valve are in a closed state, and the heat dissipation assembly is opened to enable the circulation flow channel to be communicated with the outside for cooling;
step E, in the aging system, when an aging cabinet with the temperature lower than that of the heat exchange cabinet is heated and warmed, the heat stored in the heat exchange cabinet is used, and when a heating assembly and an air inducing assembly in the aging cabinet operate, the exhaust fan and the electric air volume regulating valve are opened, so that air flow circulation is realized between the aging cabinet and the heat exchange cabinet, and the exhaust fan and the electric air volume regulating valve are closed until the temperature inside the aging cabinet reaches the set temperature or the temperature of the heat exchange cabinet is less than or equal to that of the aging cabinet;
step F, finishing aging, wherein before the aging cabinet is opened, if the temperature in the heat exchange cabinet is lower than that of the aging cabinet, the exhaust fan and the electric air volume adjusting valve are opened, so that airflow circulation is realized between the aging cabinet and the heat exchange cabinet, heat in the aging cabinet is absorbed and stored by the heat exchange cabinet, and after the temperature in the aging cabinet is less than or equal to that of the heat exchange cabinet, the exhaust fan and the electric air volume adjusting valve are closed;
g, opening the aging cabinet to take out the electronic elements after the aging is finished, putting the electronic elements of the next batch into the aging cabinet for aging, and repeating the process of heating the aging cabinet by using the heat of the heat exchange cabinet in the step E when the aging cabinet is heated and heated;
the temperature in the aging cabinet is the average value of the feedback temperatures of the plurality of temperature sensors; the maximum temperature difference in the aging cabinet is the maximum difference value of the feedback temperatures of the plurality of temperature sensors, and the larger the maximum temperature difference in the aging cabinet is, the larger the running speed of an induced draft fan in the induced draft assembly is; in above-mentioned arbitrary step, when the temperature was greater than temperature protector's action temperature in the ageing cabinet, temperature protector action made radiator unit open, and the circulation runner cools down with external intercommunication, and after the temperature was less than temperature protector's action temperature in the ageing cabinet, temperature protector action made radiator unit close.
The invention has the beneficial effects that:
according to the invention, through the communication between the heat exchange cabinet and the aging cabinet, when the heat in the aging cabinet is excessive or needs to be dissipated, the heat is stored in the heat exchange cabinet so as to be used for heating the aging cabinet with lower temperature; when the aging cabinet is heated by utilizing the heat stored in the heat exchange cabinet, the temperature rising efficiency can be improved, the heat is recycled, and particularly, the heat utilization rate is higher when a plurality of aging cabinets operate. Carry out the inside cooling of air current circulation realization ageing cabinet with the heat exchange cabinet, the speed of air current circulation is through the aperture control of air exhauster and electronic air regulation valve, avoids ageing cabinet inside temperature fluctuation by a wide margin appearing, does benefit to the temperature control of ageing cabinet, ensures the stability of the ageing measurement accuracy of electrical component.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a view showing the structure of a circulation flow path;
FIG. 3 is a structural diagram of a heat exchange cabinet;
FIG. 4 is a view showing a structure of a support;
FIG. 5 is a diagram of a heat sink block;
FIG. 6 is a wind deflector construction view;
fig. 7 is an internal structure view of the heat dissipation block.
Reference numerals: 1. an aging cabinet; 101. a heat dissipating component; 1011. a heat dissipating block; 1012. a heat sink; 1013. a slide rail; 1014. a spring telescopic rod; 1015. a slider; 1016. a support; 1017. a wind deflector; 1018. a ventilation slot; 102. a moisture detection assembly; 103. an absorbent assembly; 104. a circulating flow passage; 1041. an air outlet channel; 1042. an air inlet duct; 1043. a heating air duct; 1044. air holes; 105. a support member; 1051. a stay bar; 1052. a support pad; 106. a heating assembly; 107. an air inducing assembly; 2. a heat exchange cabinet; 201. a gas dispersing bin; 202. fixing the net; 203. an air cylinder; 204. a heat accumulator; 205. an upper air cavity; 206. a lower air cavity; 3. an air inlet pipe; 4. and an air outlet pipe.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art can appreciate, the described embodiments may be modified in various different ways, without departing from the spirit or scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings, which are used for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 7, the invention discloses an aging system and a control method thereof, wherein the aging system comprises at least two aging cabinets 1 and a heat exchange cabinet 2, and pipelines are arranged between the aging cabinets 1 and the heat exchange cabinet 2 for communication.
The inner wall of the aging cabinet 1 is provided with a circulating flow channel 104, the circulating flow channel 104 comprises an air inlet duct 1042 and an air outlet duct 1041 which are respectively arranged on the two side walls of the aging cabinet 1, the circulating flow channel 104 further comprises heating air ducts 1043 which are arranged at the top and the bottom of the aging cabinet 1, and the two ends of the air inlet duct 1042 and the two ends of the air outlet duct 1041 are respectively communicated with the two heating air ducts 1043.
A plurality of air holes 1044 communicated with the air inlet duct 1042 and the air outlet duct 1041 are respectively arranged at corresponding positions on two side walls of the aging cabinet 1, the air holes 1044 are uniformly arranged in a matrix, and the circulating flow passage 104 is communicated with the inside of the aging cabinet 1 through the air holes 1044.
A plurality of supporting members 105 are further disposed in the circulation flow channel 104, and the supporting members 105 are respectively connected to two side walls of the circulation flow channel 104. The supporting members 105 are arranged in the air inlet duct 1042 and the air outlet duct 1041 at equal intervals, and the supporting members 105 are arranged on two sides of the induced draft fan in the heating air duct 1043.
The supporting member 105 includes two supporting rods 1051, the two supporting rods 1051 are crossed to form an X-shape, two ends of each supporting rod 1051 are respectively provided with a supporting pad 1052, and the supporting pads 1052 are connected with the inner wall of the corresponding circulating flow channel 104.
The heat exchange cabinet 2 is made of heat preservation materials, and has good heat preservation and heat insulation functions. Be equipped with the storehouse 201 that looses in the heat exchange cabinet 2, the storehouse 201 level that looses is located the heat exchange cabinet 2 middle part, and a plurality of through-holes are covered with respectively to the storehouse 201 top and bottom that looses, and a plurality of through-holes are matrix and evenly arrange.
Heat exchange assemblies are respectively arranged in the heat exchange cabinets 2 on the upper portion and the lower portion of the gas dissipation bin 201, a gap exists between the heat exchange assembly on the upper portion and the top of the heat exchange cabinet 2 to form an upper air cavity 205, and a gap exists between the heat exchange assembly on the lower portion and the bottom of the heat exchange cabinet 2 to form a lower air cavity 206. The heat exchange assembly comprises two fixing nets 202 horizontally arranged in the heat exchange cabinet 2, the two fixing nets 202 are arranged up and down, a plurality of air cylinders 203 are arranged between the two fixing nets 202, the air cylinders 203 are vertically arranged, two ends of each air cylinder are respectively connected with the two fixing nets 202, and the air cylinders 203 are evenly arranged in a matrix. A heat accumulator 204 is arranged in an enclosed area formed between the two fixed nets 202 and outside the air cylinder 203, and the heat accumulator 204 is made of an adsorption heat storage material. The fixing net 202 and the gas cylinder 203 are net structures, which can be penetrated by gas flow and fix the heat accumulator 204 in the heat exchange cabinet 2.
The top and the bottom of the air outlet passage 1041 are respectively provided with a moisture absorption assembly 103, and the top and the bottom of the air inlet passage 1042 are respectively provided with a moisture detection assembly 102.
The moisture absorption component 103 comprises a moisture absorption groove arranged on the aging cabinet 1, the moisture absorption groove is communicated with the air outlet passage 1041, a moisture absorption box is arranged in the moisture absorption groove in a sliding mode, and a moisture absorption material is arranged in the moisture absorption box. The moisture absorption box can be inserted into the moisture absorption groove, so that the moisture absorption box is positioned in the air outlet passage 1041. The moisture absorption box in the air outlet passage 1041 is of a net structure, so that the moisture absorption box can fix the moisture absorption material and simultaneously allow air flow to pass through.
The moisture detection assembly 102 comprises a detection groove arranged on the aging cabinet 1, the detection groove is communicated with the air inlet duct 1042, a detection box is arranged in the detection groove in a sliding mode, moisture detection test paper is arranged in the detection box, and the moisture detection test paper can be cobaltous chloride test paper. The detection box can be inserted into the detection groove, so that the detection box is positioned in the air inlet duct 1042 and is of a transparent structure, and the condition of the moisture detection test paper can be checked through the detection box outside the aging cabinet 1. The part of the detection box in the air inlet duct 1042 is of a mesh structure, so that the detection box can fix the detection test paper and simultaneously allow air flow to pass through.
An air inlet pipe 3 and two air outlet pipes 4 are arranged between the heat exchange cabinet 2 and the aging cabinet 1, one end of the air inlet pipe 3 is communicated with the middle part of the air outlet passage 1041, and the other end of the air inlet pipe 3 is communicated with the air dissipation bin 201; one end of each of the two air outlet pipes 4 is respectively communicated with the end of the two heating air ducts 1043 far away from the air inlet duct 1042, and the other end of each of the two air outlet pipes 4 is respectively communicated with the corresponding upper air cavity 205 and the corresponding lower air cavity 206.
Electric air volume adjusting valves are arranged in the air inlet pipe 3 and the air outlet pipe 4, and an exhaust fan is arranged in the air inlet pipe 3. When the exhaust fan operates, the electric air volume regulating valves of the air inlet pipe 3 and the air outlet pipe 4 are opened, the air flow in the aging cabinet 1 enters the air dispersing bin 201 through the air inlet pipe 3 and enters the two heat exchange assemblies at the upper part and the lower part of the air dispersing bin 201, and the air flow enters the two air outlet pipes 4 through the upper air cavity 205 and the lower air cavity 206 respectively after passing through the two heat exchange assemblies and enters the heating air duct 1043 through the air outlet pipes 4.
The top of the aging cabinet 1 is provided with two heat dissipation assemblies 101, the two heat dissipation assemblies 101 are communicated with the circulating flow channel 104, and when the temperature of the heat dissipation assemblies 101 in the aging cabinet 1 is too high, the outside is communicated with the circulating flow channel 104 to realize rapid cooling.
The heat dissipation assembly 101 comprises a heat dissipation block 1011 arranged at the top of the aging cabinet 1, the heat dissipation block 1011 is of a cuboid structure, four strip-shaped heat dissipation grooves 1012 are arranged on the heat dissipation block 1011, the four strip-shaped heat dissipation grooves 1012 are parallel to each other and are arranged at equal intervals, the interval between every two adjacent heat dissipation grooves 1012 is larger than the width of the heat dissipation groove 1012, and the heat dissipation grooves 1012 are communicated with the circulation flow channel 104.
Slide in the radiating block 1011 and be equipped with deep bead 1017, deep bead 1017 is along perpendicular to radiating groove 1012 length direction horizontal slip, and the last corresponding position of deep bead 1017 is equipped with the ventilation groove 1018 with the radiating groove 1012 complex, and the shape and the position of ventilation groove 1018 correspond with radiating groove 1012 for the radiating groove 1012 coincides with ventilation groove 1018 after the deep bead 1017 slides. Since the distance between two adjacent heat dissipation grooves 1012 is larger than the width of the heat dissipation groove 1012, the wind shield 1017 slides to place the ventilation groove 1018 between two adjacent heat dissipation grooves 1012, so that the wind shield 1017 blocks the heat dissipation grooves 1012.
Slide blocks 1015 are arranged on two sides of the wind shield 1017, slide rails 1013 matched with the slide blocks 1015 are arranged on the corresponding positions on the heat dissipation blocks 1011, and the slide blocks 1015 slide in the slide rails 1013 to guide the wind shield 1017. A spring extension rod 1014 is arranged in the slide rail 1013, the spring extension rod 1014 is arranged along the sliding direction of the slide block 1015, and two ends of the spring extension rod 1014 are respectively connected with the end part of the slide rail 1013 and the slide block 1015. The outer side of the end part of the slide rail 1013 far away from the spring telescopic rod 1014 connected with the spring telescopic rod is provided with a support 1016, the support 1016 is arranged on the heat radiation block 1011, the slide block 1015 and the support 1016 are respectively provided with electromagnets which are mutually matched, and the slide block 1015 is pushed to slide by repulsion generated by electrifying the two electromagnets. An air cylinder may be provided between the slider 1015 and the support 1016 to push the slider 1015 instead of an electromagnet as a driving source.
The two heat dissipation assemblies 101 are respectively disposed on two sides of the top heating air duct 1043, and the heat dissipation slot 1012 is communicated with the top heating air duct 1043. When the electromagnet is not electrified, the elastic force of the spring telescopic rod 1014 drives the sliding block 1015 to slide to the end part of the sliding rail 1013, the ventilation groove 1018 of the wind shield 1017 is dislocated with the heat dissipation groove 1012, the heat dissipation assembly 101 is in a closed state, and the circulation flow channel 104 is not communicated with the outside. When the two electromagnets are energized to generate repulsion, the slider 1015 overcomes the elastic force of the telescopic spring rod 1014 to slide towards the other end of the slide rail 1013, and drives the wind shield 1017 to slide so that the ventilation slot 1018 and the heat dissipation slot 1012 coincide, and the circulation channel 104 is communicated with the outside through the heat dissipation slot 1012 and the ventilation slot 1018.
The aging cabinet 1 is internally provided with a temperature sensor and a temperature protector which are electrically connected with an electric control unit of an aging system, the plurality of temperature sensors arranged in the aging cabinet 1 are uniformly arranged in the aging cabinet, the heat exchange cabinet 2 is internally provided with a temperature sensor which is electrically connected with the electric control unit of the aging system, and the heating assembly 106, the induced air assembly 107, the heat dissipation assembly 101, the electric air volume regulating valve and the exhaust fan are electrically connected with the electric control unit of the aging system.
The control method of the aging system comprises the following steps:
step A, opening an aging cabinet 1 to age electronic components, enabling an induced draft assembly 107 and a heating assembly 106 to operate after the aging cabinet 1 is closed, generating circulating air flow in the aging cabinet 1, enabling the air flow to enter an air inlet duct 1042 after being heated by the heating assembly 106, enabling the air flow to transversely output from the air inlet duct 1042 and then enter an air outlet duct 1041, enabling the air flow in the air outlet duct 1041 to enter two heating air ducts 1043 to be heated and then circularly enter the air inlet duct 1042, enabling the heating assembly 106 to operate according to the temperature in the aging cabinet 1, enabling the induced draft assembly 107 to operate according to the maximum temperature difference in the aging cabinet 1, enabling the temperature in the aging cabinet 1 to be the average value of feedback temperatures of a plurality of temperature sensors, enabling the maximum temperature difference in the aging cabinet 1 to be the maximum difference of the feedback temperatures of the plurality of temperature sensors, and enabling the operation speed of an induced draft fan in the induced draft assembly 107 to be larger when the maximum temperature difference in the aging cabinet 1 is larger;
step B, the heating component 106 in the aging cabinet 1 is continuously heated, when the difference between the temperature in the aging cabinet 1 and the set temperature is 10 ℃ or below, the heat productivity of the heating component 106 is reduced along with the rise of the temperature in the aging cabinet 1, and the closer the temperature in the aging cabinet 1 is to the set temperature, the smaller the heat productivity of the heating component 106 is until the temperature in the aging cabinet 1 reaches the set temperature;
step C, after the temperature in the aging cabinet 1 is higher than the set temperature, the heating assembly 106 is closed, the exhaust fan and the electric air volume regulating valve are opened, so that air flow circulation is realized between the aging cabinet 1 and the heat exchange cabinet 2, redundant heat in the aging cabinet 1 is absorbed and stored by the heat exchange cabinet 2, the operation rate of the exhaust fan and the opening of the electric air volume regulating valve are smaller as the temperature in the aging cabinet 1 is closer to the set temperature, and the exhaust fan and the electric air volume regulating valve are in a closed state when the temperature in the aging cabinet 1 is reduced to the set temperature or is not higher than the temperature in the heat exchange cabinet 2;
d, when the temperature fed back by the temperature sensor in the heat exchange cabinet 2 is greater than or equal to the temperature in the aging cabinet 1 and the temperature in the aging cabinet 1 is still greater than the set temperature, the exhaust fan and the electric air volume adjusting valve are in a closed state, and the heat dissipation assembly 101 is opened to enable the circulating flow channel 104 to be communicated with the outside for cooling;
step E, in the aging system, when the aging cabinet 1 with the temperature lower than that of the heat exchange cabinet 2 is heated and warmed, the heat stored in the heat exchange cabinet 2 is used, the heating assembly 106 and the induced air assembly 107 in the aging cabinet 1 are operated, and the exhaust fan and the electric air volume regulating valve are opened, so that the airflow circulation between the aging cabinet 1 and the heat exchange cabinet 2 is realized, and until the interior of the aging cabinet 1 reaches the set temperature or the temperature in the heat exchange cabinet 2 is less than or equal to that of the aging cabinet 1, the exhaust fan and the electric air volume regulating valve are closed;
step F, before the aging cabinet 1 is opened, if the temperature in the heat exchange cabinet 2 is lower than that of the aging cabinet 1, the exhaust fan and the electric air volume adjusting valve are opened, so that airflow circulation is realized between the aging cabinet 1 and the heat exchange cabinet 2, the heat in the aging cabinet 1 is absorbed and stored by the heat exchange cabinet 2, and the exhaust fan and the electric air volume adjusting valve are closed until the temperature of the aging cabinet 1 is less than or equal to that of the heat exchange cabinet 2;
and G, opening the aging cabinet 1 after the aging is finished and taking out the electronic elements, suddenly reducing the temperature in the aging cabinet 1, putting the electronic elements of the next batch into the aging cabinet 1 for aging, and repeating the process of heating the aging cabinet 1 by using the heat of the heat exchange cabinet 2 in the step E when the aging cabinet 1 is heated and heated.
In any step, when the temperature in the aging cabinet 1 is higher than the operating temperature of the temperature protector, the temperature protector operates to open the heat dissipation assembly 101, the circulation flow channel 104 is communicated with the outside to cool, and after the temperature in the aging cabinet 1 is lower than the operating temperature of the temperature protector, the temperature protector operates to close the heat dissipation assembly 101. The action temperature of the temperature protector is 5-10 ℃ higher than the set temperature in the aging cabinet 1, the temperature protector and the heat dissipation assembly 101 work in a matched mode, the temperature protector serves as one of safety facilities for the aging cabinet 1 in high-temperature aging operation, the temperature protector forcibly enables the interior of the aging cabinet 1 to exchange heat with the outside to be cooled after the temperature is too high, and equipment damage or fire disasters are avoided.
According to the invention, through the communication between the heat exchange cabinet 2 and the aging cabinet 1, when the heat in the aging cabinet 1 is excessive or needs to be dissipated, the heat is stored in the heat exchange cabinet 2 so as to be used when the aging cabinet 1 with lower temperature is heated; when the aging cabinet 1 is heated by the heat stored in the heat exchange cabinet 2, the heating efficiency can be improved, the heat can be recycled, and particularly, the aging cabinet 1 has high heat utilization rate when running. Carry out airflow circulation with heat exchange cabinet 2 and realize the inside cooling of ageing cabinet 1, airflow circulation's speed is through the aperture control of air exhauster and electronic air regulation valve, avoids ageing cabinet 1 inside temperature fluctuation by a wide margin appearing, does benefit to ageing cabinet 1's temperature control, ensures the stability of the ageing measurement accuracy of electrical element.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, which should be considered to fall within the protection scope of the patent of the present invention.
Claims (9)
1. A control method of an aging system is characterized in that,
the burn-in system includes:
an aging cabinet;
the circulating flow channel is arranged in the inner wall of the aging cabinet and is provided with an air hole communicated with the inside of the aging cabinet;
the heat dissipation assembly is arranged on the aging cabinet and communicated with the circulating flow channel;
the heating assembly is arranged in the circulating flow channel;
the air inducing assembly is arranged in the circulating flow channel;
the heat exchange cabinet is communicated with the aging cabinet through a pipeline;
the electric air volume adjusting valve is arranged on a pipeline between the heat exchange cabinet and the aging cabinet;
the air dissipation bin is arranged in the heat exchange cabinet;
the through holes are uniformly distributed at the top and the bottom of the air dispersing bin in a matrix manner;
the two heat exchange assemblies are arranged in the heat exchange cabinets at the upper part and the lower part of the air dispersing bin;
the temperature sensor is arranged in the aging cabinet and the heat exchange cabinet;
the temperature protector is arranged in the aging cabinet and matched with the heat dissipation assembly;
the pipeline between the heat exchange cabinet and the aging cabinet comprises an air inlet pipe and an air outlet pipe, an exhaust fan is arranged in the air inlet pipe, one ends of the air inlet pipe and the air outlet pipe are both communicated with the circulating flow channel, the other end of the air inlet pipe is communicated with the air dispersing bin, and the other end of the air outlet pipe is communicated with the heat exchange cabinets at the upper part and the lower part of the air dispersing bin;
the control method of the aging system comprises the following steps:
step A, opening an aging cabinet to put electronic elements into the aging cabinet for aging, enabling an induced air assembly and a heating assembly to operate after the aging cabinet is closed, generating circulating airflow in the aging cabinet, enabling the circulating airflow to circularly flow between a circulating flow channel and the inside of the aging cabinet, heating the circulating airflow by the heating assembly, enabling the heating assembly to operate according to the temperature in the aging cabinet, and enabling the induced air assembly to operate according to the maximum temperature difference in the aging cabinet;
b, continuously heating the heating assembly in the aging cabinet, wherein when the temperature in the aging cabinet is different from the set temperature by 10 ℃ or below, the heating value of the heating assembly is reduced along with the rise of the temperature in the aging cabinet, and the heating value of the heating assembly is smaller when the temperature in the aging cabinet is closer to the set temperature until the temperature in the aging cabinet reaches the set temperature;
step C, after the temperature in the aging cabinet is higher than the set temperature, the heating assembly is closed, the exhaust fan and the electric air volume adjusting valve are opened, so that air flow circulation is realized between the aging cabinet and the heat exchange cabinet, redundant heat in the aging cabinet is absorbed and stored by the heat exchange cabinet, the closer the temperature in the aging cabinet is to the set temperature, the smaller the operation rate of the exhaust fan and the opening of the electric air volume adjusting valve are, and when the temperature in the aging cabinet is reduced to the set temperature or does not exceed the temperature in the heat exchange cabinet, the exhaust fan and the electric air volume adjusting valve are in a closed state;
d, when the temperature fed back by the temperature sensor in the heat exchange cabinet is greater than or equal to the temperature in the aging cabinet and the temperature in the aging cabinet is still greater than the set temperature, the exhaust fan and the electric air volume adjusting valve are in a closed state, and the heat dissipation assembly is opened to enable the circulation flow channel to be communicated with the outside for cooling;
step E, in the aging system, when an aging cabinet with the temperature lower than that of the heat exchange cabinet is heated and warmed, the heat stored in the heat exchange cabinet is used, and when a heating assembly and an air inducing assembly in the aging cabinet operate, the exhaust fan and the electric air volume regulating valve are opened, so that air flow circulation is realized between the aging cabinet and the heat exchange cabinet, and the exhaust fan and the electric air volume regulating valve are closed until the temperature inside the aging cabinet reaches the set temperature or the temperature of the heat exchange cabinet is less than or equal to that of the aging cabinet;
step F, finishing aging, wherein before opening an aging cabinet, if the temperature in the heat exchange cabinet is lower than that of the aging cabinet, the exhaust fan and the electric air volume adjusting valve are opened, so that airflow circulation is realized between the aging cabinet and the heat exchange cabinet, the heat in the aging cabinet is absorbed and stored by the heat exchange cabinet, and after the temperature in the aging cabinet is less than or equal to that of the heat exchange cabinet, the exhaust fan and the electric air volume adjusting valve are closed;
g, opening the aging cabinet to take out the electronic elements after the aging is finished, putting the electronic elements of the next batch into the aging cabinet for aging, and repeating the process of heating the aging cabinet by using the heat of the heat exchange cabinet in the step E when the aging cabinet is heated and heated;
the temperature in the aging cabinet is the average value of the feedback temperatures of the plurality of temperature sensors; the maximum temperature difference in the aging cabinet is the maximum difference value of the feedback temperatures of the plurality of temperature sensors, and the larger the maximum temperature difference in the aging cabinet is, the larger the running speed of an induced draft fan in the induced draft assembly is; in above-mentioned arbitrary step, when the temperature was greater than temperature protector's action temperature in the ageing cabinet, temperature protector action made radiator unit open, and the circulation runner cools down with external intercommunication, and after the temperature was less than temperature protector's action temperature in the ageing cabinet, temperature protector action made radiator unit close.
2. The method for controlling the aging system according to claim 1, wherein the heat exchange assembly comprises two fixed nets horizontally arranged in a heat exchange cabinet, the two fixed nets are arranged up and down, a plurality of air cylinders are arranged between the two fixed nets, two ends of each air cylinder are respectively connected with the two fixed nets, and heat accumulators are arranged in enclosed areas formed between the two fixed nets and outside the air cylinders.
3. The method as claimed in claim 1, wherein the circulating channel includes an air inlet channel and an air outlet channel respectively disposed in two side walls of the aging cabinet and a heating air channel disposed at the top and the bottom of the aging cabinet, two ends of the air inlet channel and the air outlet channel are respectively connected to the two heating air channels, and the heating assembly and the air inducing assembly are disposed in the heating air channel.
4. The method according to claim 3, wherein a gap is formed between the heat exchange assemblies at the upper and lower parts of the air diffusion chamber and the top and bottom of the heat exchange cabinet to form an upper air chamber and a lower air chamber, the heat exchange cabinet is provided with two air outlet pipes respectively communicated with the upper air chamber and the lower air chamber, the two air outlet pipes are respectively communicated with the end parts of the two heating air ducts far away from the air inlet duct, and the air inlet pipes are communicated with the middle part of the air outlet duct.
5. The method for controlling the aging system according to claim 3, wherein the heating assembly comprises a fin electric heating pipe arranged in a heating air duct, the fin electric heating pipe is arranged in the middle of the heating air duct, and the induced air assembly comprises induced draft fans arranged in the heating air ducts on two sides of the fin electric heating pipe.
6. The method as claimed in claim 3, wherein the top and bottom of the air outlet duct are respectively provided with moisture absorption components, and the top and bottom of the air inlet duct are respectively provided with moisture detection components.
7. The method for controlling the aging system according to claim 1, wherein a plurality of support members are disposed in the circulation flow channel, each support member comprises two support rods, the two support rods are arranged in an X shape in an intersecting manner, support pads are disposed at two ends of each support rod, and the support pads are connected to corresponding inner walls of the circulation flow channel.
8. The method for controlling the aging system according to claim 1, wherein the heat dissipation assembly comprises a heat dissipation block arranged at the top of the aging cabinet, the heat dissipation block is provided with a plurality of strip-shaped heat dissipation grooves, the plurality of strip-shaped heat dissipation grooves are arranged in parallel and at equal intervals, a wind shield is arranged in the heat dissipation block in a sliding manner, the wind shield horizontally slides along a direction perpendicular to the length direction of the heat dissipation grooves, and ventilation grooves matched with the heat dissipation grooves are arranged at corresponding positions on the wind shield.
9. The method for controlling the aging system according to claim 8, wherein sliding blocks are provided on both sides of the wind shield, sliding rails engaged with the sliding blocks are provided at corresponding positions on the heat dissipation block, telescopic spring rods are provided in the sliding rails, both ends of the telescopic spring rods are respectively connected with the end portions of the sliding rails and the sliding blocks, supports are provided on the heat dissipation block at corresponding positions outside the sliding rails in the length direction, and electromagnets engaged with each other are provided on the sliding blocks and the supports, respectively.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106255861A (en) * | 2014-05-23 | 2016-12-21 | 株式会社电装 | Heat exchanger |
| CN107461956A (en) * | 2017-09-18 | 2017-12-12 | 泉州市诚京贸易有限公司 | A kind of electronic product high/low temperature burn-in chamber |
| CN114137352A (en) * | 2021-12-23 | 2022-03-04 | 上海寒武纪信息科技有限公司 | Automatic temperature control aging device |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7296430B2 (en) * | 2003-11-14 | 2007-11-20 | Micro Control Company | Cooling air flow control valve for burn-in system |
| US7355428B2 (en) * | 2004-01-14 | 2008-04-08 | Delta Design, Inc. | Active thermal control system with miniature liquid-cooled temperature control device for electronic device testing |
| JP4578190B2 (en) * | 2004-09-22 | 2010-11-10 | エスペック株式会社 | Burn-in equipment |
| JP5040538B2 (en) * | 2007-09-05 | 2012-10-03 | セイコーエプソン株式会社 | Electronic component temperature control device, electronic component temperature control method, and IC handler |
| CN106802375B (en) * | 2015-11-26 | 2019-04-09 | 京元电子股份有限公司 | Aging test device and negative pressure cooling system for same |
| CN110160049B (en) * | 2018-02-12 | 2020-12-22 | 宝山钢铁股份有限公司 | Heat accumulating type burner of heating furnace |
| CN109287096B (en) * | 2018-09-21 | 2020-05-12 | 国网湖南省电力有限公司 | SVG air-cooled heat dissipation system based on concentrated air supply |
| US11385281B2 (en) * | 2019-08-21 | 2022-07-12 | Micron Technology, Inc. | Heat spreaders for use in semiconductor device testing, such as burn-in testing |
| CN110779274B (en) * | 2019-11-21 | 2024-04-26 | 郑州轻工业大学 | Constant temperature and humidity system of storage cabinet |
| CN111322828B (en) * | 2020-02-24 | 2022-01-11 | 深圳普瑞赛思检测技术有限公司 | Incubator system and control method thereof |
| CN215093540U (en) * | 2020-12-10 | 2021-12-10 | 四川恩巨实业有限公司 | A thermal control parts storage device for electrical automation control |
| CN215063221U (en) * | 2021-06-16 | 2021-12-07 | 苏州品展电子科技有限公司 | Preheating type aging cabinet |
| CN217330126U (en) * | 2022-03-18 | 2022-08-30 | 广州市长崎自动化科技有限公司 | Energy-saving circulating heat device in aging room |
-
2022
- 2022-09-22 CN CN202211154492.0A patent/CN115235282B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106255861A (en) * | 2014-05-23 | 2016-12-21 | 株式会社电装 | Heat exchanger |
| CN107461956A (en) * | 2017-09-18 | 2017-12-12 | 泉州市诚京贸易有限公司 | A kind of electronic product high/low temperature burn-in chamber |
| CN114137352A (en) * | 2021-12-23 | 2022-03-04 | 上海寒武纪信息科技有限公司 | Automatic temperature control aging device |
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Address after: 635000 4th floor, building 3, zhizaoyuan workshop (phase I), south of Qihe Road, economic development zone, Dazhou City, Sichuan Province Patentee after: Sichuan Enju Electronic Technology Co.,Ltd. Address before: 635000 4th floor, building 3, zhizaoyuan workshop (phase I), south of Qihe Road, economic development zone, Dazhou City, Sichuan Province Patentee before: Sichuan Enju Industrial Co.,Ltd. |
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