CN111097557A - Environment simulation detection equipment - Google Patents
Environment simulation detection equipment Download PDFInfo
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- CN111097557A CN111097557A CN202010006112.3A CN202010006112A CN111097557A CN 111097557 A CN111097557 A CN 111097557A CN 202010006112 A CN202010006112 A CN 202010006112A CN 111097557 A CN111097557 A CN 111097557A
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- heat preservation
- chamber
- preservation chamber
- ventilation
- hollow part
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
- B01L1/02—Air-pressure chambers; Air-locks therefor
- B01L1/025—Environmental chambers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L7/00—Heating or cooling apparatus; Heat insulating devices
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- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses environment simulation detection equipment, which comprises a detection box body and a controller, wherein a heat preservation chamber, a wind source chamber and a ventilation cabin positioned at the bottom of the heat preservation chamber are arranged in a cavity of the detection box body, a convection circulation power source, a temperature heater and a refrigeration evaporator are arranged in the wind source chamber, a hollow part is arranged on the side wall of the wind source chamber, the ventilation cabin is provided with an inclined outer wall, a plurality of ventilation grooves communicated with the heat preservation chamber are arranged on the inclined outer wall, a bearing support mechanism is arranged in the heat preservation chamber, and in a detection state, the wind source circulates from the ventilation grooves to the hollow part through the heat preservation chamber. The invention can realize environment simulation detection aiming at the electronic product, meets the control of temperature, humidity, constant temperature time, temperature rise and fall rate and the like, and plays a role in accurately evaluating the performance of the electronic product. The circulating airflow in a non-direct blowing mode is adopted, the heat exchange of the electronic product is uniform, and the detection precision is improved. The bearing support mechanism meets the bearing requirements of electronic products of different specifications, and is wide in application range.
Description
Technical Field
The invention relates to environment simulation detection equipment, and belongs to the technical field of electronic product detection equipment.
Background
Environmental simulation test is an activity performed to maintain functional reliability under all circumstances of intended use, transport or storage. The product is exposed to natural or artificial environmental conditions to be subjected to the action of the product, so as to evaluate the performance of the product under the environmental conditions of actual use, transportation and storage, and analyze and research the influence degree of environmental factors and the action mechanism thereof.
The traditional environment simulation detection equipment is almost specially customized, is only used for environment simulation detection of a single product, is set and solidified in a simulation mode, is poor in universality and price, and is difficult to meet the requirement of current diversified production.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides environment simulation detection equipment aiming at the defects of the traditional environment simulation detection equipment.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the environment simulation detection device comprises a detection box body and a controller, wherein a heat preservation chamber, a wind source chamber and a ventilation cabin positioned at the bottom of the heat preservation chamber are arranged in a cavity of the detection box body, the wind source chamber is communicated with the ventilation cabin,
the wind source chamber is internally provided with a convection circulation power source, a temperature heater and a refrigeration evaporator which are respectively connected with the controller, the side wall of the wind source chamber is provided with a hollow part communicated with the wind source chamber, the hollow part is opposite to the convection circulation power source,
the ventilation cabin is provided with an inclined outer wall, the inclined outer wall is provided with a plurality of ventilation grooves communicated with the heat preservation chamber,
a bearing bracket mechanism for bearing electronic parts is arranged in the heat preservation chamber, a channel for connecting an external lead is arranged on the side wall of the heat preservation chamber, a matching sealing plug is arranged in the channel,
and in a detection state, the air source passes through the heat preservation chamber from the ventilation groove to the hollow part to form circulation.
Preferably, a humidifier is arranged in the air source chamber and connected with the controller.
Preferably, the controller is used for driving the convection circulation power source, the temperature heater, the freezing evaporator and the humidifier to perform temperature control, constant temperature time control, heating rate control, cooling rate control, humidity control and constant humidity time control in the heat preservation chamber.
Preferably, the support mechanism is arranged on the inner wall of the heat preservation chamber and comprises a support body and a plurality of grid plates, the grid plates are horizontally arranged on the support body, and the support body is provided with a plurality of bearing parts with different heights.
Preferably, a supporting rib for space supporting is arranged in the ventilation cabin, and the supporting rib is provided with a ventilating hollow part.
Preferably, the convection circulation power source includes convection flabellum and is located detect the outside driving motor of box, driving motor's pivot is passed detect the box with convection flabellum looks transmission connection, the pivot with be equipped with seal structure between the detection box.
Preferably, an air inlet grille is arranged on the hollow-out part.
Preferably, the cavity of the detection box body is internally provided with a heat insulation layer.
The invention has the following beneficial effects:
1. the environment simulation detection aiming at the electronic product can be realized, the control of temperature, humidity, constant temperature time, temperature rise and fall speed and the like can be met, and the accurate evaluation effect on the performance of the electronic product can be realized.
2. The circulating airflow in a non-direct blowing mode is adopted, the heat exchange of the electronic product is uniform, and the detection precision is improved.
3. The bearing support mechanism meets the bearing requirements of electronic products of different specifications, and is wide in application range.
4. The whole design is ingenious and reasonable in layout, the heat insulation performance is excellent, and the heat insulation material is suitable for popularization and application.
Drawings
Fig. 1 is a schematic structural diagram of the environmental simulation test apparatus of the present invention.
FIG. 2 is a schematic structural diagram of a heat-preserving chamber in the environmental simulation test apparatus according to the present invention.
Fig. 3 is a perspective view of the environmental simulation test apparatus of the present invention.
Detailed Description
The invention provides an environment simulation detection device. The technical solution of the present invention is described in detail below with reference to the accompanying drawings so that it can be more easily understood and appreciated.
The environment simulation detection device, as shown in fig. 1 to 3, includes a detection box 1 and a controller, and the controller is not shown in the drawings and is a common control element of the detection device.
The cavity of the detection box body 1 is internally provided with a heat preservation chamber 2, an air source chamber 3 and a ventilation cabin 4 positioned at the bottom of the heat preservation chamber 2, and the air source chamber 3 is communicated with the ventilation cabin 4.
The convection circulation power source 5, the temperature heater 6 and the refrigeration evaporator 7 which are respectively connected with the controller are arranged in the air source chamber 3, a hollow part 8 communicated with the air source chamber 3 is arranged on the side wall of the air source chamber 3, and the hollow part 8 is opposite to the convection circulation power source 5.
The ventilation chamber 4 has an inclined outer wall 9, and the inclined outer wall 9 is provided with a plurality of ventilation grooves 10 communicated with the heat preservation chamber 2.
A bearing support mechanism 11 used for bearing electronic parts is arranged in the heat preservation chamber 2, a channel 12 used for connecting an external lead is arranged on the side wall of the heat preservation chamber 2, and the channel 12 is provided with a matching sealing plug.
In the detection state, the air source circulates from the ventilation groove 10 to the hollow part 8 through the heat preservation chamber 2.
The implementation process and principle are specifically implemented as follows:
firstly, the hatch door of the heat preservation chamber 2 is opened, the electronic product to be detected is put into the bearing bracket mechanism 11, then the external lead access is carried out through the channel 12, the power supply to the electronic product is realized, and then the heat preservation chamber 2 is closed to seal.
At this time, the controller controls the convection circulation power source 5, the temperature heater 6, and the refrigeration evaporator 7 according to the detection request, thereby performing the simulated environment operation in the soak chamber 2.
Specifically, the air temperature is controlled by the temperature heater 6 and/or the refrigeration evaporator 7, and the air flow in the temperature-holding chamber 2 is circulated by the convection circulation power source 5, so that the temperature in the temperature-holding chamber 2 is adjusted, and the operation such as temperature increase and decrease and constant temperature is performed.
The convection circulation power source 5 performs air draft on the heat preservation chamber 2, the air flow is subjected to temperature adjustment operation through the temperature heater 6 and/or the freezing evaporator 7, and the air flow subjected to temperature adjustment is blown out of the ventilation groove 10 through the ventilation cabin 4, so that circulation is realized.
And the air-out of ventilation groove 10 can not produce the blow directly to the electronic product, and the environmental simulation temperature of electronic product carries out the heat transfer by the temperature in the heat preservation room 2 completely, therefore the data detected is more stable accurate.
In one embodiment, a humidifier 13 is disposed in the wind source chamber 3, and the humidifier 13 is connected to the controller. Namely, the simulation requirements of refrigeration, heating and humidity control are met.
In one embodiment, the controller is used for driving the convection circulation power source, the temperature heater, the refrigeration evaporator and the humidifier to perform temperature control, constant temperature time control, temperature rise rate control, temperature fall rate control, humidity control and constant humidity time control in the heat preservation chamber.
The temperature control, the constant temperature time control, the temperature rise rate control, the temperature fall rate control, the humidity control and the constant humidity time control are realized by comprehensively controlling the wind power of the flow circulation power source, the heating power and the time of the temperature heater, the refrigerating power and the time of the refrigeration evaporator, and the humidification rate and the time of the humidifier.
In one embodiment, the supporting frame mechanism 11 is a supporting frame 14 disposed on the inner wall of the heat preservation chamber, and a plurality of grid plates 15 horizontally disposed on the supporting frame 14, and a plurality of supporting parts with different heights are disposed on the supporting frame 14.
Can carry out the electronic product of different heights through the position degree selection of bars dish 15 on stake body 14 promptly and bear, satisfy the demand that bears of all kinds of electronic product, and bars dish 15 is convenient for the air current circulation process, realizes the heat transfer to electronic product, and the corresponding temperature of electronic product is even stable, and detection accuracy obtains guaranteeing.
In one embodiment, a support rib 16 for space support is arranged in the ventilation chamber 4, and the support rib 16 is provided with a ventilation hollow-out 17.
It should be noted that the bottom of the ventilation cabin 4 is provided with a backflow groove, the inclined outer wall 9 can guide condensed water, the support rib 16 can prevent the top wall of the ventilation cabin 4 from collapsing and accumulating water, the structural strength of the ventilation cabin 4 is met, and meanwhile, the ventilation hollow 17 is easy to circulate air flow.
In one embodiment, the convection circulation power source 5 includes a convection fan 18 and a driving motor 19 located outside the detection box 1, a rotating shaft of the driving motor 19 penetrates through the detection box to be in transmission connection with the convection fan, and a sealing structure is arranged between the rotating shaft and the detection box.
There can be the phenomenon of generating heat in the 19 operation processes of driving motor, consequently can influence circulating air's temperature control, in the present case, the motor is located and detects the box outside, can not produce the temperature influence to heat preservation room 2, and seal structure also easily heat preservation room 2's space keeps warm simultaneously, ensures that simulation ambient temperature is stable.
In one embodiment, the hollowed-out portion 8 is provided with an air intake grille 20. This air inlet grille 20 can carry out the foreign matter and shelter from, prevents that the large granule foreign matter from entering wind source chamber 3 and producing impact damage to internal components and parts.
Finally, the heat insulation layer 21 in the cavity of the detection box body 1 can be a combination of a heat insulation material and a heat insulation coating, so that the heat insulation effect of the heat insulation chamber 2 is improved.
Through the above description, it can be found that the environment simulation detection device can realize environment simulation detection for electronic products, meet the control of temperature, humidity, constant temperature time, temperature rise and fall rate and the like, and play an accurate evaluation role in the performance of the electronic products. The circulating airflow in a non-direct blowing mode is adopted, the heat exchange of the electronic product is uniform, and the detection precision is improved. The bearing support mechanism meets the bearing requirements of electronic products of different specifications, and is wide in application range. The whole design is ingenious and reasonable in layout, the heat insulation performance is excellent, and the heat insulation material is suitable for popularization and application.
The technical solutions of the present invention are fully described above, it should be noted that the specific embodiments of the present invention are not limited by the above description, and all technical solutions formed by equivalent or equivalent changes in structure, method, or function according to the spirit of the present invention by those skilled in the art are within the scope of the present invention.
Claims (8)
1. Environmental simulation check out test set, including detecting box and controller, its characterized in that:
the cavity of the detection box body is internally provided with a heat preservation chamber, an air source chamber and a ventilation cabin positioned at the bottom of the heat preservation chamber, the air source chamber is communicated with the ventilation cabin,
the wind source chamber is internally provided with a convection circulation power source, a temperature heater and a refrigeration evaporator which are respectively connected with the controller, the side wall of the wind source chamber is provided with a hollow part communicated with the wind source chamber, the hollow part is opposite to the convection circulation power source,
the ventilation cabin is provided with an inclined outer wall, the inclined outer wall is provided with a plurality of ventilation grooves communicated with the heat preservation chamber,
a bearing bracket mechanism for bearing electronic parts is arranged in the heat preservation chamber, a channel for connecting an external lead is arranged on the side wall of the heat preservation chamber, a matching sealing plug is arranged in the channel,
and in a detection state, the air source passes through the heat preservation chamber from the ventilation groove to the hollow part to form circulation.
2. The environmental simulation test apparatus of claim 1, wherein:
the air source chamber is internally provided with a humidifier, and the humidifier is connected with the controller.
3. The environmental simulation test apparatus of claim 2, wherein:
the controller is used for driving the convection circulation power source, the temperature heater, the freezing evaporator and the humidifier to perform temperature control, constant temperature time control, heating rate control, cooling rate control, humidity control and constant humidity time control in the heat preservation chamber.
4. The environmental simulation test apparatus of claim 1, wherein:
the support mechanism is arranged on the inner wall of the heat preservation chamber and comprises a support body and a plurality of grid plates, wherein the support body is arranged on the inner wall of the heat preservation chamber, the grid plates are horizontally arranged on the support body, and the support body is provided with a plurality of bearing parts with different heights.
5. The environmental simulation test apparatus of claim 1, wherein:
the ventilating cabin is characterized in that a supporting rib for supporting the space is arranged in the ventilating cabin, and the supporting rib is provided with a ventilating hollow part.
6. The environmental simulation test apparatus of claim 1, wherein:
the convection circulation power source comprises convection fan blades and a driving motor located outside the detection box body, a rotating shaft of the driving motor penetrates through the detection box body and the convection fan blades to be in transmission connection, and a sealing structure is arranged between the rotating shaft and the detection box body.
7. The environmental simulation test apparatus of claim 1, wherein:
and an air inlet grille is arranged on the hollow part.
8. The environmental simulation test apparatus of claim 1, wherein:
and the inner cavity of the detection box body is provided with a heat insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010006112.3A CN111097557A (en) | 2020-01-03 | 2020-01-03 | Environment simulation detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010006112.3A CN111097557A (en) | 2020-01-03 | 2020-01-03 | Environment simulation detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111097557A true CN111097557A (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010006112.3A Pending CN111097557A (en) | 2020-01-03 | 2020-01-03 | Environment simulation detection equipment |
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| Country | Link |
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| CN (1) | CN111097557A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4134598A3 (en) * | 2021-08-11 | 2023-05-10 | Espec Corp. | Environmental testing device |
-
2020
- 2020-01-03 CN CN202010006112.3A patent/CN111097557A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4134598A3 (en) * | 2021-08-11 | 2023-05-10 | Espec Corp. | Environmental testing device |
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