CN205538770U - Device of nai high temperature test - Google Patents
Device of nai high temperature test Download PDFInfo
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- CN205538770U CN205538770U CN201620320012.7U CN201620320012U CN205538770U CN 205538770 U CN205538770 U CN 205538770U CN 201620320012 U CN201620320012 U CN 201620320012U CN 205538770 U CN205538770 U CN 205538770U
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Abstract
The utility model provides a device of nai high temperature test, include: host system, temperature detection module and cavity, the cavity includes cavity inboard, zone of heating, heat preservation and cavity shell, and zone of heating and heat preservation set gradually between cavity inboard and cavity shell, be provided with at least one first power heating device, at least one second power heating device and at least one third power heating device on the zone of heating, the cavity is used for placing the test object, and temperature detection module is connected with the cavity, and temperature detection module is used for detecting the inboard temperature of cavity, host system respectively with temperature detection module and cavity in the heating device be connected, host system is arranged in detecting the inboard first power of the temperature control heating device of cavity, second power heating device and at least one work of third power heating device according to temperature detection module. The utility model provides a device of nai high temperature test can accurate regulation be able to bear or endure the inboard temperature of cavity among the high testing arrangement.
Description
Technical field
This utility model relates to mechanical design field, particularly relates to a kind of high temperature resistant test device.
Background technology
After it has been manufactured, sampling Detection to be used carries out every test for resistant to elevated temperatures chip or board, and wherein, high temperature resistant test is chip or board needs one of important test of doing.High temperature resistant test is to test the time that be can bear resistant to elevated temperatures chip or board at preset temperature by high temperature resistant test device, thus realizes resistant to elevated temperatures chip or the performance test of board.
At present, high temperature resistant test device mainly uses electric heater to provide heating, and the unit temperature that heating raises every time is all A DEG C, and A is more than 0.So that high temperature resistant test device raises N × A DEG C arrives the preset temperature born required for resistant to elevated temperatures chip or board test, N is the integer more than or equal to 1.But, owing to current high temperature resistant test device homoiothermic precision is low, the value of A is the biggest, therefore when the temperature needing regulation differs less than A DEG C with preset temperature, the temperature that cannot regulate in high temperature resistant test device cavity meets preset temperature, temperature can not be controlled quickly and accurately, thus can not accurately regulate the temperature in high temperature resistant test device cavity in test process.
Utility model content
This utility model provides a kind of high temperature resistant test device, in order to solve can not accurately regulate in test process in prior art the technical problem of the cavity inner temperature in high temperature resistant test device.
The high temperature resistant test device that this utility model provides, including: main control module, temperature detecting module and cavity；
Cavity includes that inside cavities, zone of heating, heat-insulation layer and shell cavity, zone of heating and heat-insulation layer are successively set between inside cavities and shell cavity；
Being provided with at least one first power heater part, at least one second power heater part and at least one the 3rd power heater part on zone of heating, the watt level of the first power heater part, the second power heater part and the 3rd three kinds of heater elements of power heater part is different；
Cavity is used for placing test object, and temperature detecting module is connected with cavity, temperature detecting module temperature inside test chamber；
Main control module is connected with temperature detecting module and cavity respectively, according to temperature detecting module, main control module is for detecting that the temperature of inside cavities controls at least one work in the first power heater part, the second power heater part and the 3rd power heater part.
In this utility model one embodiment, the quantity of aforementioned first power heater part, the second power heater part and the 3rd power heater part is respectively six, and each first power heater part, the second power heater part and the 3rd power heater part are evenly distributed in the zone of heating of cavity.
In this utility model one embodiment, abovementioned cavity also includes: heat insulation coating；
Heat insulation coating is coated with and is located on the surface of inside cavities, for reducing the loss of inside cavities temperature.
In this utility model one embodiment, abovementioned cavity also includes: heat-conducting layer；
Heat-conducting layer is arranged between heat insulation coating and zone of heating, uniformly heats to inside cavities for zone of heating.
In this utility model one embodiment, aforementioned heat insulation coating is black coating.
In this utility model one embodiment, also include: display module and power module；
Display module is connected with temperature detecting module, the temperature of the inside cavities that the test temperature curve generated for displays temperature detection module and temperature detecting module monitor；
Power module is connected with main control module, temperature detecting module, cavity and display module respectively, for powering at least one the first power heater part in main control module, temperature detecting module, display module, cavity, at least one second power heater part and at least one the 3rd power heater part.
In this utility model one embodiment, aforementioned main control module is main control chip；
Aforementioned temperature detection module is temperature sensor.
In this utility model one embodiment, aforementioned first power heater part is high-power heater part, and the second power device is middle power heater part, and the 3rd power device is low-power heater element；
Main control module specifically for:
If the temperature of inside cavities is more than preset difference value with the temperature difference of preset temperature, controls the first power heater part, the second power heater part and the 3rd power heater part and work simultaneously；Or,
If the temperature of inside cavities is less than or equal to preset difference value with the temperature difference of preset temperature, controls the second power heater part and the 3rd power heater part works simultaneously, or,
If the temperature of inside cavities is zero with the temperature difference of preset temperature, control the 3rd power heater part work.
nullThe high temperature resistant test device that this utility model provides，Inside cavities is included by cavity、Zone of heating、Heat-insulation layer and shell cavity，At least one first power heater part it is provided with on zone of heating、At least one second power heater part and at least one the 3rd power heater part，First power heater part、The watt level of the second power heater part and the 3rd three kinds of heater elements of power heater part is different，Main control module controls the first power heater part according to the temperature of inside cavities、At least one work in second power heater part and the 3rd power heater part，Heater element can use different power to be inside cavities heating，Different power heater parts can be used to control the temperature of high temperature resistant test device，The homoiothermic precision making high temperature resistant test device is high，Can accurately regulate the inside cavities temperature in resistance to high test device.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the high temperature resistant test device that Fig. 1 provides for this utility model embodiment one；
The profile of the cavity that Fig. 2 provides for this utility model embodiment one；
The profile of the cavity that Fig. 3 provides for this utility model embodiment two；
The structural representation of the high temperature resistant test device that Fig. 4 provides for this utility model embodiment two.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
The structural representation of the high temperature resistant test device that Fig. 1 provides for this utility model embodiment one, the profile of the cavity that Fig. 2 provides for this utility model embodiment one.As depicted in figs. 1 and 2, the high temperature resistant test device that this utility model embodiment provides, including: main control module 1, temperature detecting module 2 and cavity 3.
Cavity 3 include inside cavities 1., zone of heating 2., heat-insulation layer 3. with shell cavity 4., zone of heating 2. and heat-insulation layer be 3. successively set on inside cavities 1. and shell cavity 4. between.
Zone of heating 2. on be provided with at least one first power heater part, at least one second power heater part and at least one the 3rd power heater part, the watt level of the first power heater part, the second power heater part and the 3rd three kinds of heater elements of power heater part is different.
Cavity 3 is used for placing test object, and temperature detecting module 2 is connected with cavity 3, temperature detecting module 2 temperature 1. inside test chamber.
Main control module 1 is connected with temperature detecting module 2 and cavity 3 respectively, according to temperature detecting module 2, main control module 1 is for detecting that inside cavities temperature 1. controls at least one work in the first power heater part, the second power heater part and the 3rd power heater part.
In actual applications, test object is put into the inside cavities of cavity 3 1. in, arranging preset temperature by main control module 1 is T, main control module 1 is connected with the heater element in temperature detecting module 2 and cavity 3 respectively, main control module 1 controls the first power heater part according to inside cavities temperature T1 1., at least one work in second power heater part and the 3rd power heater part, such as, if just starting to heat, when inside cavities temperature T1 1. is the lowest, can only control the first power heater part, second power heater part and the 3rd power heater part three work simultaneously, inside cavities temperature T1 1. is significantly increased；If heating a period of time, during the inside cavities somewhat high point of temperature T1 1., two work in the first power heater part, the second power heater part and the 3rd power heater part can be controlled, making inside cavities temperature T1 1. quickly raise；If heating for a long time, when inside cavities temperature T1 1. is the highest, one can controlled in the first power heater part, the second power heater part and the 3rd power heater part works, and maintains inside cavities temperature T1 1..
By controlling at least one work in the first power heater part, the second power heater part and the 3rd power heater part according to inside cavities temperature 1., heater element can use different power to be that 1. inside cavities heats, different power heater parts can be used to control the temperature of high temperature resistant test device, the homoiothermic precision making high temperature resistant test device is high, can accurately regulate the inside cavities temperature in resistance to high test device.
Optionally, main control module 1 is main control chip, and main control chip is specifically as follows single-chip microcomputer；Temperature detecting module 2 is temperature sensor.
It should be noted that the main control module 1 in the present embodiment includes start, shuts down, inputs preset temperature and the button such as urgent crucial, it is possible to achieve arrange preset temperature by main control module 1；There are abnormal conditions in chip or board in high temperature resistant test, such as, occur situations such as smoldering in test process, high temperature resistant test device can be made to quit work by the urgent key that closes.Temperature detecting module 2 is connected with cavity 3, can monitor inside cavities temperature 1. in cavity 3 in real time, generates test temperature curve.
nullThe high temperature resistant test device that this utility model embodiment provides，Inside cavities is included by cavity、Zone of heating、Heat-insulation layer and shell cavity，At least one first power heater part it is provided with on zone of heating、At least one second power heater part and at least one the 3rd power heater part，First power heater part、The watt level of the second power heater part and the 3rd three kinds of heater elements of power heater part is different，Main control module controls the first power heater part according to the temperature of inside cavities、At least one work in second power heater part and the 3rd power heater part，Heater element can use different power to be inside cavities heating，Different power heater parts can be used to control the temperature of high temperature resistant test device，The homoiothermic precision making high temperature resistant test device is high，Can accurately regulate the inside cavities temperature in resistance to high test device.
Further, in the embodiment shown in fig. 1, the first power heater part is high-power heater part, and the second power device is middle power heater part, and the 3rd power device is low-power heater element.
Main control module 1 specifically for: if the temperature difference of the temperature that inside cavities is 1. and preset temperature is more than preset difference value, controls the first power heater part, the second power heater part and the 3rd power heater part and work simultaneously；Or,
If the temperature that inside cavities is 1. is less than or equal to preset difference value with the temperature difference of preset temperature, controls the second power heater part and the 3rd power heater part works simultaneously, or,
If the temperature that inside cavities is 1. is zero with the temperature difference of preset temperature, control the 3rd power heater part work.
Concrete, in the present embodiment, according to temperature detecting module 2, main control module 1 detects that inside cavities temperature 1. controls at least one work in the first power heater part, the second power heater part and the 3rd power heater part and can be divided into three phases:
First stage: just start to heat, inside cavities temperature T1 1. is much smaller than preset temperature T, when i.e. the temperature difference of inside cavities temperature 1. and preset temperature is more than preset difference value Δ T, main control module 1 controls high-power heater part, middle power heater part and low-power heater element and works simultaneously, makes inside cavities temperature T1 1. quickly raise；
Second stage: inside cavities temperature T1 1. is close to preset temperature T, when i.e. the temperature difference of inside cavities temperature 1. and preset temperature is less than or equal to preset difference value Δ T, in main control module 1 control, power heater part and low-power heater element work simultaneously, control high-power heater part to quit work, prevent inside cavities temperature T1 1. more than preset temperature T, damage test article；
Phase III: inside cavities temperature T1 1. reaches preset temperature T, when i.e. the temperature difference of inside cavities temperature 1. and preset temperature is zero, main control module 1 controls the work of low-power heater element, control high-power heater part and middle power heater part quits work, only regulate inside cavities temperature T1 1. by low power devices, reach to improve the purpose of homoiothermic precision.
It should be noted that preset difference value Δ T can be arranged by main control module 1 in the present embodiment, the present embodiment is not defined at this and repeats.
Further, in the embodiment shown in fig. 1, the quantity of the first power heater part, the second power heater part and the 3rd power heater part is respectively six, and each first power heater part, the second power heater part and the 3rd power heater part be evenly distributed on the zone of heating of cavity 3 2. in.
Concrete, first power heater part in the present embodiment, the quantity of the second power heater part and the 3rd power heater part is respectively six, and each first power heater part, second power heater part and the 3rd power heater part are uniformly incubated in inside cavities surrounding 1., such as, cavity 3 is cuboid, there are six faces, then each first power heater part, second power heater part and the 3rd power heater part are separately positioned on the zone of heating of the every one side of cavity 3 and 2. go up, by heater element all with arrangement method, realize the most uniformly heating to inside cavities.
The profile of the cavity that Fig. 3 provides for this utility model embodiment two, as it is shown on figure 3, the high temperature resistant test device that this utility model embodiment provides, on the basis of above-described embodiment, cavity 3 also includes: heat insulation coating is 5..5. heat insulation coating is coated with and is located on inside cavities surface 1., for reducing the loss of inside cavities 1. temperature.
Optionally, 5. heat insulation coating is black coating.
Concrete, 5. the present embodiment being coated with by heat insulation coating and is located on inside cavities surface 1., 5. heat insulation coating plays heat-absorbing action, it is possible to reduce the loss of inside cavities 1. temperature.In the present embodiment, 5. heat insulation coating can use dark heat insulation coating, such as black coating, can improve heat-absorbing action, advantageously reduce the loss of inside cavities 1. temperature.
Further, in the embodiment shown in fig. 3, cavity 3 also includes: heat-conducting layer is 6..
Heat-conducting layer be 6. arranged on heat insulation coating 5. and zone of heating 2. between, 2. the most uniformly heat to inside cavities for zone of heating.
Concrete, in the present embodiment, by arranging heat-conducting layer 6. in cavity 3,6. heat-conducting layer can be the metal material that heat conductivility is good, has thermal conductive resin, and 2. beneficially zone of heating the most uniformly heats to inside cavities.
The high temperature resistant test device that this utility model embodiment provides, by increasing heat insulation coating and heat-conducting layer in cavity, heat-conducting layer is arranged between heat insulation coating and zone of heating, and the device on zone of heating uniformly arranges, can realize uniformly heating to inside cavities, high temperature resistant test device is made uniformly to heat without current high temperature resistant test device uses circulating fan, decrease device and use number, and the circulating fan avoiding employing at present is easily damaged the defect high with cost, reduce scheme cost and fault rate.
The structural representation of the high temperature resistant test device that Fig. 4 provides for this utility model embodiment two.As shown in Figure 4, on the basis of above-described embodiment, the high temperature resistant test device that this utility model embodiment provides, also include: display module 4 and power module 5.
Display module 4 is connected with temperature detecting module 2, the inside cavities that the test temperature curve generated for displays temperature detection module 2 and temperature detecting module 2 monitor temperature 1..
Power module 5 is connected with main control module 1, temperature detecting module 2, cavity 3 and display module 4 respectively, for powering at least one the first power heater part in main control module 1, temperature detecting module 2, display module 4, cavity 3, at least one second power heater part and at least one the 3rd power heater part.
Concrete, the test temperature curve of inside cavities that temperature detecting module 2 is monitored in real time temperature 1. and generation is shown by display module 4, and power module 5 provides power supply to power for the high temperature resistant each module of test device.
In actual applications, test object is put into the inside cavities of cavity 3 1. in, connect the power module 5 of high temperature resistant test device, arranging preset temperature by main control module 1 is T, the most high temperature resistant test device is started working, main control module 1 controls high-power heater part according to the temperature difference Δ T of inside cavities temperature T1 1. with preset temperature T, at least one work in middle power heater part and low-power heater element, the inside cavities of cavity 3 temperature 1. is read in real time by temperature detecting module 2, and generate test temperature curve, display module 4 shows inside cavities temperature 1. and the test temperature curve of generation.
The high temperature resistant test device that this utility model embodiment provides, inside cavities is included by cavity, zone of heating, heat-insulation layer and shell cavity, at least one first power heater part it is provided with on zone of heating, at least one second power heater part and at least one the 3rd power heater part, first power heater part, the watt level of the second power heater part and the 3rd three kinds of heater elements of power heater part is different, main control module controls the first power heater part according to the temperature of inside cavities, at least one work in second power heater part and the 3rd power heater part, heater element can use different power to be inside cavities heating, different power heater parts can be used to control the temperature of high temperature resistant test device, the homoiothermic precision making high temperature resistant test device is high, inside cavities temperature inside cavities temperature.
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, it is not intended to limit；Although this utility model being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or the most some or all of technical characteristic is carried out equivalent；And these amendments or replacement, do not make the essence of corresponding technical scheme depart from the scope of this utility model each embodiment technical scheme.
Claims (8)
1. a high temperature resistant test device, it is characterised in that including: main control module, temperature detecting module and cavity；
Described cavity includes that inside cavities, zone of heating, heat-insulation layer and shell cavity, described zone of heating and described heat-insulation layer are successively set between described inside cavities and described shell cavity；
Being provided with at least one first power heater part, at least one second power heater part and at least one the 3rd power heater part on described zone of heating, the watt level of described first power heater part, the second power heater part and the 3rd three kinds of heater elements of power heater part is different；
Described cavity is used for placing test object, and described temperature detecting module is connected with described cavity, and described temperature detecting module is for detecting the temperature of described inside cavities；
Described main control module is connected with described temperature detecting module and described cavity respectively, and described main control module controls at least one work in described first power heater part, described second power heater part and described 3rd power heater part for the temperature described inside cavities being detected according to described temperature detecting module.
Device the most according to claim 1, it is characterized in that, the quantity of described first power heater part, described second power heater part and described 3rd power heater part is respectively six, and each described first power heater part, described second power heater part and described 3rd power heater part are evenly distributed in the zone of heating of described cavity.
Device the most according to claim 2, it is characterised in that described cavity also includes: heat insulation coating；
Described heat insulation coating is coated with and is located on the surface of described inside cavities, for reducing the loss of described inside cavities temperature.
Device the most according to claim 3, it is characterised in that described cavity also includes: heat-conducting layer；
Described heat-conducting layer is arranged between described heat insulation coating and described zone of heating, uniformly heats to described inside cavities for described zone of heating.
5. according to the device described in claim 3 or 4, it is characterised in that described heat insulation coating is black coating.
6. according to the device described in any one of claim 1-4, it is characterised in that described device also includes: display module and power module；
Described display module is connected with described temperature detecting module, tests temperature curve and the temperature of inside cavities that described temperature detecting module monitors for show that described temperature detecting module generates；
Described power module is connected with described main control module, temperature detecting module, cavity and display module respectively, for powering at least one first power heater part, at least one second power heater part described and at least one the 3rd power heater part described described in described main control module, described temperature detecting module, described display module, described cavity.
7. according to the device described in any one of claim 1-4, it is characterised in that described main control module is main control chip；
Described temperature detecting module is temperature sensor.
8., according to the device described in any one of claim 1-4, it is characterised in that described first power heater part is high-power heater part, described second power device is middle power heater part, and described 3rd power device is low-power heater element；
Described main control module specifically for:
If the temperature of described inside cavities is more than preset difference value with the temperature difference of preset temperature, controls described first power heater part, described second power heater part and described 3rd power heater part and work simultaneously；Or,
If the temperature of described inside cavities is less than or equal to preset difference value with the temperature difference of preset temperature, controls described second power heater part and described 3rd power heater part works simultaneously, or,
If the temperature of described inside cavities is zero with the temperature difference of preset temperature, control described 3rd power heater part work, to maintain the temperature of inside cavities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620320012.7U CN205538770U (en) | 2016-04-15 | 2016-04-15 | Device of nai high temperature test |
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| CN201620320012.7U CN205538770U (en) | 2016-04-15 | 2016-04-15 | Device of nai high temperature test |
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| CN205538770U true CN205538770U (en) | 2016-08-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109464029A (en) * | 2019-01-22 | 2019-03-15 | 杭州老板电器股份有限公司 | It scorches the temperature field control method of all-in-one machine, device and scorches all-in-one machine |
| CN110809339A (en) * | 2020-01-08 | 2020-02-18 | 四川立泰电子有限公司 | Heating device and heating control system for testing high-temperature parameters of power device |
-
2016
- 2016-04-15 CN CN201620320012.7U patent/CN205538770U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109464029A (en) * | 2019-01-22 | 2019-03-15 | 杭州老板电器股份有限公司 | It scorches the temperature field control method of all-in-one machine, device and scorches all-in-one machine |
| CN110809339A (en) * | 2020-01-08 | 2020-02-18 | 四川立泰电子有限公司 | Heating device and heating control system for testing high-temperature parameters of power device |
| CN110809339B (en) * | 2020-01-08 | 2020-05-08 | 四川立泰电子有限公司 | Heating device and heating control system for testing high-temperature parameters of power device |
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Address after: 100095 Building 2, Longxin Industrial Park, Zhongguancun environmental protection technology demonstration park, Haidian District, Beijing Patentee after: Loongson Zhongke Technology Co.,Ltd. Address before: 100095 Building 2, Longxin Industrial Park, Zhongguancun environmental protection technology demonstration park, Haidian District, Beijing Patentee before: LOONGSON TECHNOLOGY Corp.,Ltd. |