CN211453829U

CN211453829U - Aging chamber with efficient constant-temperature control system

Info

Publication number: CN211453829U
Application number: CN201922469375.3U
Authority: CN
Inventors: 魏鸿彬
Original assignee: Ningbo High Tech Zone Yaoxing Testing Technology Co ltd
Current assignee: Ningbo High Tech Zone Yaoxing Testing Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-08
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses an aging chamber with a high-efficiency constant temperature control system, which comprises a room body, a drying system, a heating system, an air cooling system and a controller, the four walls in the house body are all provided with heaters which are tiled on the wall body, the heaters comprise a layer of electric heating film layer coated on the surface of the wall body, an insulating layer is arranged between the electrothermal film layer and the wall surface of the house body, a silver coating is coated on the upper surface and the lower surface of the electrothermal film layer at intervals, a first patch electrode as a positive electrode is adhered on the upper surface of the upper silver-plated layer, a second patch electrode as a negative electrode is adhered on the upper surface of the lower silver-plated layer, an infrared emission radiation layer is coated between the middle of the upper surface of the electric heating film layer and the upper silver plating layer and the lower silver plating layer, a mesh guard plate is arranged between the upper surface of the first patch electrode and the upper surface of the second patch electrode, and a space exists between the middle of the mesh guard plate and the infrared emission radiation layer to form a hot air cavity. The utility model discloses possess high efficiency and advantage such as constant temperature.

Description

Aging chamber with efficient constant-temperature control system

Technical Field

The utility model belongs to the technical field of the technique of ageing room and specifically relates to an ageing room with high-efficient thermostatic control system.

Background

The aging room, also called a burning machine room or an aging room, is equipment for simulating a high-temperature and severe environment test aiming at a high-performance electronic product, is important experimental equipment for improving the stability and the reliability of the product, is an important production process for improving the product quality and the competitiveness of various production enterprises, and is widely applied to the fields of power supply electronics, computers, communication, biopharmaceuticals, chemical engineering and the like.

However, the current aging rooms have the following problems: 1. the power supply equipment in the existing aging room is supplied with power only through mains supply, and the aging room needs to work uninterruptedly, so that once the mains supply fails, the aging room is powered off immediately, the problem of power supply disconnection is easily caused, and the detection effect in the aging room is influenced; 2. the heating system in the aging room at present is directly formed by arranging heaters at four corners, and in such a structure, because the heaters are distributed at intervals, the indoor environment temperature close to the heaters in the early stage of processing is too high, the temperature below the heaters far away from the heaters is relatively too low, and then the temperature is slowly increased by continuous heating, but the early-stage heating of internal products is insufficient, the heating effect is relatively poor, the heating time is long, and the energy waste is serious finally caused by adopting heating wires for heating; improvements are needed.

Disclosure of Invention

The utility model aims at solving the not enough of above-mentioned prior art and the one that provides has the advantage that the heating is even, heating efficiency is high, energy-conserving, realizes simultaneously as required that commercial power and battery carry out the ageing room of taking high-efficient constant temperature control system that switches.

In order to realize the above-mentioned purpose, the utility model discloses a take high-efficient thermostatic control system's ageing room, including the room body, be equipped with the drying system who dries the internal product in room in the top of the room body, carry out the heating system that heats to the internal product in room, carry out refrigerated air cooling system and controller to the internal product in room, all be equipped with the heater of tiling on the wall body on the four sides wall in room body, placed the workstation in the room body, the heater is including the one deck electric heat rete of coating wall surface, is equipped with the insulating layer between the wall of electric heat rete and room body, has the one deck silvered film at the upper and lower interval coating of electric heat rete upper surface, and the upper surface paste of silvered film in the top has the first paster electrode of one deck as the positive pole, and the upper surface paste of silvered film in the below has the one deck second paster electrode as the negative pole, has the one deck infrared emission radiation electrode to coat between the upper and lower two- A mesh guard plate made of insulating material is arranged between the upper surface of the first patch electrode and the upper surface of the second patch electrode, the upper and lower parts of the mesh guard plate are respectively provided with a boss part adhered with the corresponding first patch electrode and the second patch electrode, a space exists between the middle part of the mesh guard plate and the infrared emission radiation layer to form a hot air chamber, the heating system comprises a heating socket capable of being plugged with commercial power and a power supply switching circuit, the power supply switching circuit comprises a UPS rectifying circuit, a UPS inverter circuit and a storage battery, the input end of the UPS rectifying circuit is electrically connected with the heating socket through a main control switch, the output end of the UPS rectifying circuit is connected with the input end of the UPS inverter circuit, the input end of the UPS inverter circuit is also electrically connected with the storage battery through a storage battery switching switch, and the output end anode of the UPS inverter circuit is connected through an output control switch after the first patch electrode leads out a, the second patch electrode is connected with the negative electrode of the output end of the UPS inverter circuit, namely a grounding end, after a lead is led out of the second patch electrode, and the periphery in the house body is respectively provided with a temperature sensor electrically connected with the controller.

Further, in order to realize automatic control, the storage battery change-over switch comprises a relay, a coil J of the relay is connected between the main control switch and the UPS rectifying circuit, and a normally closed contact K of the relay is connected between the input end of the UPS inverting circuit and the storage battery.

Further, in order to realize height adjustment, a lifting cylinder is arranged at the bottom of the house body, a piston of the lifting cylinder is connected with a mounting support, and the workbench is fixed on the mounting support.

Furthermore, in order to realize air cooling, the air cooling system comprises an air outlet positioned on one side in the room body and a refrigerant heat exchanger positioned above the room body, wherein an inlet of the refrigerant heat exchanger is connected with a third exhaust fan with an air suction opening positioned outside, an outlet of the refrigerant heat exchanger is connected with the air outlet through a pipeline, and the air outlet is connected with a cold air nozzle through a pipeline.

Further, in order to realize quick drying, drying system is including being located the internal outlet duct in room, the second air exhauster that is located the room body top, and the entry of bleeding of second air exhauster is arranged in the room internally and is located the heater center, the export and the outlet duct intercommunication of second air exhauster are equipped with the check valve of being connected with the controller electricity on the outlet duct, be equipped with the blowing head towards the product on the outlet duct.

The utility model provides a take high-efficient thermostatic control system's ageing chamber, this structure has improvement heating efficiency to and the degree of consistency of heating, compare the heating wire heating simultaneously and still have certain energy-conserving effect, this structure is through having set up power switching circuit in addition, in order to realize under the unusual condition of commercial power, supplies power through the battery, then converts to the heater work after the commercial power by UPS inverter circuit, finally realizes the mode of many powers supplies, consequently this structure has following advantage: 1. the heating efficiency and the heating uniformity are improved; 2. and carrying out power supply switching process according to the requirement.

Drawings

FIG. 1 is a schematic structural view of an aging chamber with a high-efficiency thermostatic control system in embodiment 1;

FIG. 2 is a sectional view showing the structure of a burn-in chamber with a high-efficiency thermostat control system according to embodiment 1;

FIG. 3 is a schematic view showing the connection of the heating system in embodiment 1;

FIG. 4 is a sectional view of a heater and a corresponding insulating layer;

FIG. 5 is a sectional view showing the structure of a burn-in chamber with a high-efficiency thermostat control system according to embodiment 2.

In the reference symbols: the device comprises a house body 1, an air cooling system 2, a drying system 3, a controller 4, a heating system 5, a third exhaust fan 6, an air suction opening 6-1, a workbench 7, a second patch electrode 8, a first patch electrode 9, a silver coating 10, an infrared emission radiation layer 11, an electric heating film layer 12, a mesh guard plate 13, a bulge 13-1, a heating socket 14, a power supply switching circuit 15, a UPS rectifying circuit 16, a UPS inverter circuit 17, a storage battery 18, a main control switch 19, a storage battery switching switch 20, an output control switch 21, a temperature sensor 22, a hot air chamber 23, a lifting air cylinder 25, a mounting bracket 26, an insulating layer 27, an air outlet 31, a refrigerant heat exchanger 32, an air outlet pipe 33, a second exhaust fan 35, an exhaust inlet 35-1, a one-way valve 36 and a blowing head 37.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1:

as shown in fig. 1-4, the aging room with a high-efficiency thermostatic control system provided in this embodiment includes a room body 1, a drying system 3 disposed above the room body 1 for drying a product in the room body 1, a heating system 5 for heating the product in the room body 1, an air cooling system 2 for cooling the product in the room body 1, and a controller 4, wherein heaters laid on walls are disposed on four walls in the room body 1, a working table 7 is disposed in the room body 1, the heaters include an electrothermal film layer 12 coated on the wall surface, an insulating layer 27 is disposed between the electrothermal film layer 12 and the wall surface of the room body 1, a silver-plated layer 10 is coated on the upper and lower surfaces of the electrothermal film layer 12 at intervals, a first patch electrode 9 is adhered on the upper surface of the upper silver-plated layer 10 as an anode, a second patch electrode 8 is adhered on the upper surface of the lower silver-plated layer 10 as a cathode, the middle of the upper surface of the electric heating film layer 12 is coated with an infrared emission radiation layer 11 relative to the space between an upper silver coating 10 and a lower silver coating 10, a mesh guard plate 13 made of insulating material is arranged between the upper surface of the first patch electrode 9 and the upper surface of the second patch electrode 8, the upper part and the lower part of the mesh guard plate 13 are both provided with a bulge 13-1 adhered to the corresponding first patch electrode 9 and the second patch electrode 8, a space exists between the middle of the mesh guard plate 13 and the infrared emission radiation layer 11 to form a hot air chamber 23, the heating system 5 comprises a heating socket 14 capable of being plugged with commercial power and a power switching circuit 15, the power switching circuit 15 comprises a UPS rectification circuit 16, an inverter circuit 17 and a storage battery 18, the input end of the UPS rectification circuit 16 is electrically connected with the heating socket 14 through a main control switch 19, and the output end of the UPS rectification circuit 16 is connected with the input end of the, the input end of the UPS inverter circuit 17 is also electrically connected with the storage battery 18 through a storage battery change-over switch 20, the first patch electrode 9 is connected with the output end anode of the UPS inverter circuit 17 through an output control switch 21 after leading out a lead, the second patch electrode 8 is connected with the output end cathode of the UPS inverter circuit 17 after leading out a lead, namely, the ground end, and the periphery in the house body 1 is respectively provided with a temperature sensor 22 electrically connected with the controller 4.

The infrared radiation-emitting layer 11 described in this example is a layer expressed as "55% MnO%₂＋20%Ni₂O₃＋25%Cr₂O₃The formula (wt%) of the infrared high-emission film layer is prepared through the processing procedures of batching, grinding, calcining, spraying, drying and the like, the infrared emission radiation layer 11 is arranged on the surface of the electric heating film layer 12, so that the radiation heat transfer is enhanced, the convection heat transfer is reduced, and the energy-saving efficiency is improved.

In the structure, the heater is firstly coated with an insulating layer 27 on the surface of a wall body, then coated with an electric heating film layer 12 on the surface of the insulating layer 27, then coated with a silver coating 10 on the upper surface and the lower surface of the electric heating film layer 12 at intervals, a first patch electrode 9 as an anode is pasted on the upper surface of the upper silver coating 10, a second patch electrode 8 as a cathode is pasted on the upper surface of the lower silver coating 10, a layer of infrared emission radiation layer 11 is coated in the middle of the upper surface of the electric heating film layer 12 relative to the upper silver coating 10 and the lower silver coating 10, a mesh guard plate 13 made of insulating material is arranged between the upper surface of the first patch electrode 9 and the upper surface of the second patch electrode 8, the upper and the lower parts of the mesh guard plate 13 are respectively provided with a convex part 13-1 pasted with the corresponding first patch electrode 9 and the corresponding second patch electrode 8, and a space is reserved between the middle of the mesh guard plate 13 and the infrared emission radiation layer 11, when the first patch electrode 9 is connected with the positive electrode of a power supply and the second patch electrode 8 is connected with the negative electrode of the power supply, the electric heating film layer 12 forms a loop to generate current and then generate heat, and the whole heater is distributed around the wall body, so that the overall heating efficiency is higher, meanwhile, the heat strengthens the radiation heat transfer through the infrared emission radiation layer 11, the convection heat transfer is reduced, the energy-saving efficiency is improved, and then the heat reaches the hot air chamber 23, at the moment, because the mesh guard plate 13 is meshed and carries out convection with the cold space in the house body 1, the effect of quickly heating the inside of the house body 1 is realized, the heating is more uniform, and simultaneously, because of the effect of the mesh guard plate 13, the problems of electric shock and thermal burn are effectively avoided, so the structure has the advantages of improving the heating efficiency and the uniformity of heating, and simultaneously has a certain energy-saving effect compared with electric heating wires, in addition, the structure is provided with the power supply switching circuit 15, so that power is supplied through the storage battery 18 under the condition that the commercial power is abnormal, then the power is converted into the commercial power by the UPS inverter circuit 17 and then the commercial power is supplied to the heater, and finally a multi-power-supply mode is realized, so that the structure has the following advantages: 1. the heating efficiency and the heating uniformity are improved; 2. performing a power supply switching process according to needs; meanwhile, the internal temperature is acquired by the internally provided temperature sensor 22, and the process of thermostatic control is realized by the controller 4.

Further, realize automatic control, battery change over switch 20 includes a relay, the coil J of relay connects between main control switch 19 and UPS rectifier circuit 16, the normally closed contact K of relay connects between UPS inverter circuit 17's input and battery 18, and when the commercial power was normal, the relay outage, normally closed contact K got electric, and that all the way of battery switches on the power supply.

Further, air cooling is realized, the air cooling system 2 comprises an air outlet 31 located on one side in the room body 1 and a refrigerant heat exchanger 32 located above the room body 1, an inlet of the refrigerant heat exchanger 32 is connected with a third exhaust fan 6 with an air suction opening 6-1 located outside, an outlet of the refrigerant heat exchanger 32 is connected with the air outlet 31 through a pipeline, and the air outlet 31 is connected with a cold air nozzle 31-1 through a pipeline. After the product is detected and taken out, the air cooling system 2 is immediately started, the heating system is closed, the refrigerant heat exchanger 32 exchanges heat with the hot air sucked by the third exhaust fan 6 through the internal refrigerant, the hot air is changed into cold air, the product is cooled through the air outlet 31, and the cold air is taken out after being cooled to a certain temperature. Compare the tradition and need just can follow the ageing room after the natural cooling and take away the operation mode of taking the product away and compare, adopt the utility model provides an ageing room carries out product testing, and the flexibility of its operation is better.

Further, drying system 3 is including being located the outlet duct 33 in the room body 1, being located the second air exhauster 35 of room body 1 top, and the entry 35-1 of bleeding of second air exhauster 35 arranges the room body 1 in and is located the heater center in, the export and the outlet duct 33 intercommunication of second air exhauster 35 are equipped with the check valve 36 of being connected with controller 4 electricity on outlet duct 33, be equipped with the blowing head 37 towards the product on outlet duct 33, if the product surface of putting into is too wet, start drying system 3 when the heating this moment, dry in advance the product surface, recycle the heater and carry out the process to product ageing resistance detection to this improves detection effect.

Example 2:

as shown in fig. 5, in the aging chamber with a high-efficiency thermostatic control system according to the present embodiment, further, a lifting cylinder 25 is disposed at the bottom of the room body 1, a piston of the lifting cylinder 25 is connected to a mounting bracket 26, the workbench 7 is fixed on the mounting bracket 26, and the height of the workbench 7 can be adjusted by the lifting cylinder 25.

Claims

1. The utility model provides a take high-efficient thermostatic control system's ageing oven, includes the room body (1), is equipped with drying system (3) that carry out the stoving to the product in the room body (1) in the top of the room body (1), carries out heating system (5) that heat, carries out refrigerated air cooling system (2) and controller (4) to the product in the room body (1), its characterized in that: the heating device is characterized in that heaters which are tiled on the wall body are arranged on four walls in the house body (1), a workbench (7) is arranged in the house body (1), each heater comprises an electric heating film layer (12) which coats the surface of the wall body, an insulating layer (27) is arranged between each electric heating film layer (12) and the wall surface of the house body (1), silver coating layers (10) are coated on the upper surface and the lower surface of each electric heating film layer (12) at intervals, a first patch electrode (9) which is used as an anode is pasted on the upper surface of the upper silver coating layer (10) on the upper side, a second patch electrode (8) which is used as a cathode is pasted on the upper surface of the lower silver coating layer (10), an infrared emission radiation layer (11) is coated in the middle of the upper surface of each electric heating film layer (12) relative to the position between the upper silver coating layers (10) on the upper side and the lower side, a protective plate (13) made of insulating materials is arranged between the upper surface, the mesh guard plate comprises a mesh guard plate (13), a first patch electrode (9) and a second patch electrode (8) are arranged on the mesh guard plate, a boss (13-1) is arranged on the mesh guard plate, the boss and the second patch electrode are pasted on the mesh guard plate, a distance exists between the middle of the mesh guard plate (13) and an infrared emission radiation layer (11) to form a hot air chamber (23), the heating system (5) comprises a heating socket (14) capable of being plugged with a mains supply and a power switching circuit (15), the power switching circuit (15) comprises a UPS rectifying circuit (16), a UPS inverter circuit (17) and a storage battery (18), the input end of the UPS rectifying circuit (16) is electrically connected with the heating socket (14) through a main control switch (19), the output end of the UPS rectifying circuit (16) is connected with the input end of the UPS inverter circuit (17), and the input end of the UPS inverter circuit (17) is electrically connected with the storage battery (18) through, the output end anode of the UPS inverter circuit (17) is connected through the output control switch (21) after the lead is led out from the first patch electrode (9), the output end cathode, namely the grounding end, of the UPS inverter circuit (17) is connected after the lead is led out from the second patch electrode (8), and the temperature sensors (22) electrically connected with the controller (4) are arranged on the periphery in the house body (1) respectively.

2. The burn-in chamber with an efficient thermostat control system of claim 1, characterized in that: the storage battery change-over switch (20) comprises a relay, a coil J of the relay is connected between a main control switch (19) and a UPS rectification circuit (16), and a normally closed contact K of the relay is connected between an input end of a UPS inverter circuit (17) and a storage battery (18).

3. A burn-in chamber with an efficient thermostat control system according to claim 1 or 2, characterized in that: be equipped with lift cylinder (25) bottom the room body (1), the piston connection of lift cylinder (25) has installing support (26), workstation (7) are fixed on installing support (26).

4. A burn-in chamber with an efficient thermostat control system according to claim 1 or 2, characterized in that: the air cooling system (2) comprises an air outlet (31) located on one side in the room body (1) and a refrigerant heat exchanger (32) located above the room body (1), wherein an inlet of the refrigerant heat exchanger (32) is connected with an air suction opening (6-1), a third exhaust fan (6) located outside is arranged, an outlet of the refrigerant heat exchanger (32) is connected with the air outlet (31) through a pipeline, and the air outlet (31) is connected with a cold air nozzle (31-1) through a pipeline.

5. A burn-in chamber with an efficient thermostat control system according to claim 1 or 2, characterized in that: drying system (3) including being located outlet duct (33) in the room body (1), second air exhauster (35) that are located room body (1) top, the entry (35-1) of bleeding of second air exhauster (35) are arranged in room body (1) and are located the heater center, the export and outlet duct (33) intercommunication of second air exhauster (35) are equipped with check valve (36) of being connected with controller (4) electricity on outlet duct (33), be equipped with on outlet duct (33) towards the blow head (37) of product.