CN105468061A - Apparatus for preventing board grade condensation generation - Google Patents
Apparatus for preventing board grade condensation generation Download PDFInfo
- Publication number
- CN105468061A CN105468061A CN201510946499.XA CN201510946499A CN105468061A CN 105468061 A CN105468061 A CN 105468061A CN 201510946499 A CN201510946499 A CN 201510946499A CN 105468061 A CN105468061 A CN 105468061A
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- temperature
- board level
- circuit board
- degrees celsius
- internal temperature
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses an apparatus for preventing board grade condensation generation, and the apparatus comprises a cabinet body for accommodating a circuit board grade, a temperature-detecting device for measuring the circuit board grade temperature; a humidity detection apparatus for measuring the circuit board grade humidity, an ambient temperature detection apparatus for measuring the temperature inside the cabinet body, a heating device and a fan apparatus installed on the cabinet body, and a control module for controlling the temperature-detecting device, the humidity detection apparatus, the ambient temperature detection apparatus, the heating device and the fan apparatus. The control module calculates the dew point temperature of the circuit board grade based on the circuit board grade temperature and the circuit board grade humidity. When the internal temperature is higher than the dew point temperature, and the difference between the internal temperature and the dew point temperature is less than a preset value, the control module controls at least one of the heating device and the fan apparatus work. Compared with the prior art, the apparatus for preventing condensation generation can effectively ensure no condensation on the circuit board grade, thereby ensuring the electronic device on the circuit board grade work normally and raising reliability of the electric appliance equipment.
Description
Technical field
The present invention relates to a kind of preventing board level condensation generation device.
Background technology
The area that, air humidity rainy at some is large, especially in spring and winter, when variation of ambient temperature is large, the control panel level of a lot of electric equipment all can produce condensation, easily causes the short circuit in control panel level, and then electric equipment is damaged.
Also normally can work in high Humid Area in order to ensure electric equipment, existing electric equipment all be provided with preventing board level condensation generation device.At present, the method that preventing board level condensation produces comprises heating and dehumidifying, and these two kinds of technical schemes can effectively produce by preventing board level condensation.But these two kinds of technical schemes can not be guaranteed circuit board level can not form condensation, have impact on the normal work of the electron device be arranged on described circuit board level, and then reduce described electric equipment volume reliability.
In view of the above problems, be necessary to provide a kind of preventing board level condensation generation device, to solve the problem.
Summary of the invention
For the deficiencies in the prior art, the technical matters that the present invention solves is to provide a kind of preventing board level condensation generation device, this preventing board level condensation generation device can effectively be guaranteed circuit board level can not produce condensation, thus ensure that the normal work of the electron device on circuit board level, improve the reliability of electric equipment.
For solving the problems of the technologies described above, technical scheme of the present invention is achieved in that
A kind of preventing board level condensation generation device, comprise: the cabinet of collecting circuit board level, measure described circuit board level temperature temperature-detecting device, measure described circuit board level humidity humidity detector, be arranged on heating arrangement on described cabinet and fan assembly and control the control module of described temperature-detecting device, humidity detector, heating arrangement and fan assembly, described preventing board level condensation generation device also comprises the ring temperature pick-up unit measuring described cabinet internal temperature; Described control module calculates the dewpoint temperature of circuit board level according to described circuit board level temperature and circuit board level hygrometer; When described internal temperature is greater than described dewpoint temperature, and when the difference of described internal temperature and described dewpoint temperature is less than preset value, described control module controls at least one work in described heating arrangement, fan assembly.
Further, when described internal temperature is greater than 45 degrees Celsius, described heating arrangement does not work, described fan assembly work; When in described cabinet, relative humidity is less than 20%, described fan assembly quits work.
Further, be greater than 15 degrees Celsius when internal temperature and be not more than 45 degrees Celsius, when the relative humidity in described cabinet is greater than 65%, described fan assembly work; When the relative humidity in described cabinet is less than 20%, described fan assembly quits work.
Further, be greater than 15 degrees Celsius when internal temperature and be not more than 45 degrees Celsius, when the relative humidity in described cabinet is not more than 65%, described heating arrangement work; When difference between described internal temperature and circuit board level temperature is less than the difference between dewpoint temperature and circuit board level temperature, described heater stop work.
Further, be greater than 5 degrees Celsius and be not more than 15 degrees Celsius when internal temperature, when the relative humidity in cabinet is greater than 65%, described heating arrangement, fan assembly work simultaneously; When the humidity in described cabinet is less than relative humidity 20%, described fan assembly quits work; When described circuit board level temperature is higher than internal temperature, described heater stop work.
Further, be greater than 5 degrees Celsius when internal temperature and be not more than 15 degrees Celsius, when the relative humidity in cabinet is not more than 65%, described heating arrangement work; When described circuit board level temperature is higher than described internal temperature, described heater stop work.
Further, when internal temperature be greater than negative 20 degrees Celsius and be not more than 5 degrees Celsius time, described heating arrangement work.
Further, described humidity detector, temperature-detecting device all comprise linearization process circuit, temperature-compensation circuit and output conversion circuit.
Further, described control module is single-chip microcomputer.
The invention has the beneficial effects as follows: compared to prior art, preventing board level condensation generation device of the present invention can effectively be guaranteed circuit board level can not produce condensation, thus ensure that the normal work of the electron device on circuit board level, improve the reliability of electric equipment.
Accompanying drawing explanation
Figure 1 shows that the schematic diagram of preventing board level condensation generation device of the present invention.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.The example of these preferred implementations illustrates in the accompanying drawings.Shown in accompanying drawing and the embodiments of the present invention described with reference to the accompanying drawings be only exemplary, and the present invention is not limited to these embodiments.
At this, also it should be noted that, in order to avoid the present invention fuzzy because of unnecessary details, illustrate only closely-related structure and/or treatment step with the solution of the present invention in the accompanying drawings, and eliminate other details little with relation of the present invention.
In addition, also it should be noted that, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.
Refer to shown in Fig. 1, preventing board level condensation generation device of the present invention comprises the cabinet (not shown) of collecting circuit board level (not shown), measure the temperature-detecting device 10 of described circuit board level temperature, measure the humidity detector 20 of described circuit board level humidity, be arranged on the heating arrangement 30 on described cabinet and fan assembly 40, measure the ring temperature pick-up unit 50 of described cabinet internal temperature and control described temperature-detecting device 10, humidity detector 20, heating arrangement 30, the control module 60 of fan assembly 40 and ring temperature pick-up unit 50, described control module 60 is single-chip microcomputer.Described humidity detector 20, temperature-detecting device 10 all comprise linearization process circuit, temperature-compensation circuit and output conversion circuit.Described control module 60 calculates the dewpoint temperature of circuit board level according to described circuit board level temperature and circuit board level hygrometer.When described internal temperature is greater than described dewpoint temperature, and when the difference of described internal temperature and described dewpoint temperature is less than preset value, described control module 60 controls at least one work in described heating arrangement 30, fan assembly 40.
Preferably, when described internal temperature is greater than 45 degrees Celsius, described heating arrangement 30 does not work, and described fan assembly 40 works; When in described cabinet, relative humidity is less than 20%, described fan assembly 40 quits work.
Preferably, be greater than 15 degrees Celsius and be not more than 45 degrees Celsius when internal temperature, when the relative humidity in described cabinet is greater than 65%, described fan assembly 40 works; When the relative humidity in described cabinet is less than 20%, described fan assembly 40 quits work.
Preferably, be greater than 15 degrees Celsius and be not more than 45 degrees Celsius when internal temperature, when the relative humidity in described cabinet is not more than 65%, described heating arrangement 30 works; When difference between described internal temperature and circuit board level temperature is less than the difference between dewpoint temperature and circuit board level temperature, described heating arrangement 30 quits work.
Preferably, be greater than 5 degrees Celsius and be not more than 15 degrees Celsius when internal temperature, when the relative humidity in cabinet is greater than 65%, described heating arrangement 30, fan assembly 40 work simultaneously; When the humidity in described cabinet is less than relative humidity 20%, described fan assembly 40 quits work; When described circuit board level temperature is higher than internal temperature, described heating arrangement 30 quits work.
Preferably, be greater than 5 degrees Celsius and be not more than 15 degrees Celsius when internal temperature, when the relative humidity in cabinet is not more than 65%, described heating arrangement 30 works; When described circuit board level temperature is higher than described internal temperature, described heating arrangement 30 quits work.
Preferably, when internal temperature be greater than negative 20 degrees Celsius and be not more than 5 degrees Celsius time, described heating arrangement 30 works.
Compared to prior art, preventing board level condensation generation device of the present invention can effectively be guaranteed circuit board level can not produce condensation, thus ensure that the normal work of the electron device on circuit board level, improves the reliability of electric equipment.
Of particular note, for the person of ordinary skill of the art, done for equivalence change of the present invention under the teachings of the present invention, must be included in the scope that the present patent application the scope of the claims advocates.
Claims (9)
1. a preventing board level condensation generation device, comprise: the cabinet of collecting circuit board level, measure the temperature-detecting device (10) of described circuit board level temperature, measure the humidity detector (20) of described circuit board level humidity, be arranged on heating arrangement (30) and the fan assembly (40) on described cabinet and control described temperature-detecting device (10), humidity detector (20), the control module (60) of heating arrangement (30) and fan assembly (40), it is characterized in that: described preventing board level condensation generation device also comprises the ring temperature pick-up unit (50) measuring described cabinet internal temperature, described control module (60) calculates the dewpoint temperature of circuit board level according to described circuit board level temperature and circuit board level hygrometer, when described internal temperature is greater than described dewpoint temperature, and the difference of described internal temperature and described dewpoint temperature is when being less than preset value, described control module (60) controls at least one work in described heating arrangement (30), fan assembly (40).
2. preventing board level condensation generation device as claimed in claim 1, it is characterized in that: when described internal temperature is greater than 45 degrees Celsius, described heating arrangement (30) does not work, and described fan assembly (40) works; When in described cabinet, relative humidity is less than 20%, described fan assembly (40) quits work.
3. preventing board level condensation generation device as claimed in claim 1, is characterized in that: be greater than 15 degrees Celsius when internal temperature and be not more than 45 degrees Celsius, and when the relative humidity in described cabinet is greater than 65%, described fan assembly (40) works; When the relative humidity in described cabinet is less than 20%, described fan assembly (40) quits work.
4. preventing board level condensation generation device as claimed in claim 1, is characterized in that: be greater than 15 degrees Celsius when internal temperature and be not more than 45 degrees Celsius, and when the relative humidity in described cabinet is not more than 65%, described heating arrangement (30) works; When difference between described internal temperature and circuit board level temperature is less than the difference between dewpoint temperature and circuit board level temperature, described heating arrangement (40) quits work.
5. preventing board level condensation generation device as claimed in claim 1, it is characterized in that: be greater than 5 degrees Celsius when internal temperature and be not more than 15 degrees Celsius, when relative humidity in cabinet is greater than 65%, described heating arrangement (30), fan assembly (40) work simultaneously; When the humidity in described cabinet is less than relative humidity 20%, described fan assembly (40) quits work; When described circuit board level temperature is higher than internal temperature, described heating arrangement (30) quits work.
6. preventing board level condensation generation device as claimed in claim 1, is characterized in that: be greater than 5 degrees Celsius when internal temperature and be not more than 15 degrees Celsius, and when the relative humidity in cabinet is not more than 65%, described heating arrangement (30) works; When described circuit board level temperature is higher than described internal temperature, described heating arrangement (30) quits work.
7. preventing board level condensation generation device as claimed in claim 1, is characterized in that: when internal temperature be greater than negative 20 degrees Celsius and be not more than 5 degrees Celsius time, described heating arrangement (30) works.
8. preventing board level condensation generation device as claimed in claim 1, is characterized in that: described humidity detector (20), temperature-detecting device (10) all comprise linearization process circuit, temperature-compensation circuit and output conversion circuit.
9. preventing board level condensation generation device as claimed in claim 1, is characterized in that: described control module (60) is single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510946499.XA CN105468061A (en) | 2015-12-16 | 2015-12-16 | Apparatus for preventing board grade condensation generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510946499.XA CN105468061A (en) | 2015-12-16 | 2015-12-16 | Apparatus for preventing board grade condensation generation |
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| CN105468061A true CN105468061A (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510946499.XA Pending CN105468061A (en) | 2015-12-16 | 2015-12-16 | Apparatus for preventing board grade condensation generation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290801A (en) * | 2016-10-27 | 2017-01-04 | 中南大学 | The Apparatus and method for that soil body saturation controls |
| CN107995811A (en) * | 2017-12-27 | 2018-05-04 | 苏州睿艾迪汽车科技有限公司 | Fixing device for automobile power back door ECU control mainboards |
| CN108376008A (en) * | 2018-02-05 | 2018-08-07 | 苏州睿艾迪汽车科技有限公司 | Automobile power back door ECU control mainboards heat dissipation dehumidification system |
| CN109348680A (en) * | 2018-10-16 | 2019-02-15 | 宁波奥克斯电气股份有限公司 | A kind of electronic control panel moisture-proof control method and device |
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| CN104571232A (en) * | 2015-01-26 | 2015-04-29 | 广东申菱空调设备有限公司 | Wide working condition type electric cabinet and internal temperature and humidity control method thereof |
| CN104752970A (en) * | 2012-10-15 | 2015-07-01 | 江苏省电力公司常州供电公司 | Dehumidification method of anti-condensation automatic electric cabinet dehumidifier |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202583923U (en) * | 2012-05-03 | 2012-12-05 | 长春工程学院 | Fuzzy power-adjusting condensation controller |
| CN104752970A (en) * | 2012-10-15 | 2015-07-01 | 江苏省电力公司常州供电公司 | Dehumidification method of anti-condensation automatic electric cabinet dehumidifier |
| CN104571232A (en) * | 2015-01-26 | 2015-04-29 | 广东申菱空调设备有限公司 | Wide working condition type electric cabinet and internal temperature and humidity control method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290801A (en) * | 2016-10-27 | 2017-01-04 | 中南大学 | The Apparatus and method for that soil body saturation controls |
| CN107995811A (en) * | 2017-12-27 | 2018-05-04 | 苏州睿艾迪汽车科技有限公司 | Fixing device for automobile power back door ECU control mainboards |
| CN108376008A (en) * | 2018-02-05 | 2018-08-07 | 苏州睿艾迪汽车科技有限公司 | Automobile power back door ECU control mainboards heat dissipation dehumidification system |
| CN109348680A (en) * | 2018-10-16 | 2019-02-15 | 宁波奥克斯电气股份有限公司 | A kind of electronic control panel moisture-proof control method and device |
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Application publication date: 20160406 |