CN103182235A - Micro heating-controllable thermostat dehumidifier for precision instrument and dehumidification method thereof - Google Patents
Micro heating-controllable thermostat dehumidifier for precision instrument and dehumidification method thereof Download PDFInfo
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- CN103182235A CN103182235A CN2013100794904A CN201310079490A CN103182235A CN 103182235 A CN103182235 A CN 103182235A CN 2013100794904 A CN2013100794904 A CN 2013100794904A CN 201310079490 A CN201310079490 A CN 201310079490A CN 103182235 A CN103182235 A CN 103182235A
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Abstract
The invention discloses a micro heating-controllable thermostat dehumidifier for a precision instrument and a dehumidification method thereof. The micro heating-controllable thermostat dehumidifier comprises a digital temperature display control instrument, a micro heating plate, a small-power isolation transformer and a heat-sensitive sensor, wherein the digital temperature display control instrument is connected with the heat-sensitive sensor; the digital temperature display control instrument and the micro heating plate are respectively connected with the input side and the output side of the small-power isolation transformer; the input side of the small-power isolation transformer is communicated with a power supply; and a temperature automatic control contact is arranged between the micro heating plate and the output side of the small-power isolation transformer. The micro heating-controllable thermostat dehumidifier for the precision instrument and the dehumidification method thereof have the benefits that the material taking and the manufacture are simple, the use is convenient, and a thermostat point is accurate and adjustable; the safety is good in aspect of electricity utilization and temperature control; the university is strong, so that the micro heating-controllable thermostat dehumidifier can be used for most of precision instruments required dehumidification; and the digital temperature display control instrument and the small-power isolation transformer can be taken as shared equipment in a laboratory.
Description
Technical field
The present invention relates to a kind of dehydrating unit, particularly a kind of little heating controllable constant-temperature dehumidifier and dehumanization method that is applicable to this class precision instrument of insulation resistance meter standard.
Background technology
In the calibrating of electric measuring instrument, a kind of instrument that is called insulation resistance meter is arranged, by rules regulations, each carries out a periodic calibration to it to 2 years needs, and it examines and determine employed standard is insulation resistance meter standard (being designated hereinafter simply as standard).As standard, must regularly deliver to upper level department and examine and determine its every year, can carry out transmission of quantity value work behind the assay approval.Though standard has certain sealing, all-pervasive dust and moisture can cause standard misalignment in daily use, and cause censorship defective.By analytical calculation as can be known, dust and moisture are more serious, and it is more little that its equivalent resistance just becomes, and the influence of generation is just more serious.For guaranteeing the qualified of validity used in everyday and censorship, be very necessary to the dedusting of standard inside and dehumidifying regularly.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art part, and a kind of moisture that can remove in the standard is provided, make its high resistance in the bigger environment of humidity, still can keep the constant substantially little heating controllable constant-temperature of precision instrument dehumidifier.
Another object of the present invention also is to provide the little heating controllable constant-temperature of a kind of precision instrument dehumanization method.
The little heating controllable constant-temperature of a kind of precision instrument dehumidifier, its structural feature is: include digital temperature and show controller, little heating plate, isolate wattage transformer, heat-sensitive sensor, described digital temperature shows that controller is connected with heat-sensitive sensor, digital temperature shows that controller and little heating plate are connected to input side and the outlet side of isolating wattage transformer, the input side of isolating wattage transformer is connected with power supply, is provided with temperature and controls contact automatically between little heating plate and isolation wattage transformer outlet side.
The little heating controllable constant-temperature of the precision instrument of this structure dehumidifier in use, is arranged at the bottom of marker with little heating plate, connects the 220V working power.When the temperature in the standard reached the setting value of digital temperature demonstration controller, temperature was controlled the contact automatic disconnection automatically, stops heating; When digital temperature showed that the controller temperature has descended a little return difference value, temperature was controlled the contact auto-closing automatically, and little heating plate continues heating, and burner on light is bright.Go round and begin again like this, with the temperature constant in the standard between a very little scope.
The little heating controllable constant-temperature of described precision instrument dehumidifier also includes burner on light, and described burner on light is connected to little heating plate place.
When little heating plate stopped to heat, burner on light was dark, and little heating plate begins heating during set definite value in temperature is lower than standard, and burner on light is bright.
Described little heating plate is pushed down the two ends of little heating plate with two thin narrow shape epoxy resin bars, pastes the bottom of being fixed in standard.
Described burner on light is fixed on the epoxy sheet, after be installed in the standard top.
Described digital temperature shows that controller comprises a passive normal opened contact.
Described little heating plate is the flat-shaped rectangle of armouring.
Described burner on light is the LED luminous tube, the serial connection current-limiting resistance.
Described isolation wattage transformer is the output of both-end input both-end.
Described heat-sensitive sensor is that calibration number is the platinum resistance thermometer sensor, of Pt100.
The little heating controllable constant-temperature of a kind of precision instrument dehumanization method, described dehumanization method is pushed down its two ends with two thin narrow shape epoxy resin bars, and is fixed in the bottom of standard with glue for described little heating plate being installed in the correct position of standard bottom; Described burner on light is installed on the block size epoxy sheet, uses the glue sealing and fixing on the big or small slot in standard top; The flexible circuit conductor that directly is not more than 0.5mm with line welds little heating plate and burner on light, flexible circuit conductor is done permanent fixing with glue at last, described heat-sensitive sensor is fixed in standard top with glue, the correct position between the circular venthole that little heating plate and diameter are 4～6 ㎜.During use, digital temperature is shown that controller, isolation wattage transformer connect with lead is corresponding with standard, connect the 220V working power, when the temperature in the standard reaches the setting value of digital temperature demonstration controller, temperature is controlled the contact automatic disconnection automatically, stop heating, burner on light extinguishes; When digital temperature showed that the controller temperature has descended a little return difference value, temperature was controlled the contact auto-closing automatically, and little heating plate continues heating, and burner on light is bright.Go round and begin again like this, with the temperature constant in the standard between a very little scope.
In sum, the present invention's following advantage compared to existing technology:
Precision instrument of the present invention little heating controllable constant-temperature dehumidifier and dehumanization method thereof draw materials, make simple, and easy to use, constant temperature point is accurate, adjustable; In electricity consumption and temperature controlling party mask good security is arranged; Highly versatile can be used for the precision instrument that the great majority needs dehumidify, and digital temperature shows that controller and isolation wattage transformer can be used as shared device in laboratory.
Description of drawings
Fig. 1 is the little heating controllable constant-temperature of precision instrument dehumidifier functional-block diagram.
Fig. 2 is the little heating controllable constant-temperature of precision instrument dehumidifier control circuit figure.
Label declaration label declaration 1 little heating plate 2 burner on lights 3 temperature are controlled contact 4 automatically and are isolated wattage transformer 5 digital temperatures demonstration controller 6 heat-sensitive sensors.
The specific embodiment
Be described in more detail below in conjunction with the present invention of embodiment.
The little heating controllable constant-temperature of a kind of precision instrument as shown in Figure 2 dehumidifier comprises little heating plate 1, burner on light 2, isolates wattage transformer 4, and digital temperature shows controller 5, heat-sensitive sensor 6.Described digital temperature shows that controller is connected with heat-sensitive sensor, digital temperature shows that controller and little heating plate are connected to input side and the outlet side of isolating wattage transformer, the input side of isolating wattage transformer is connected with power supply, is provided with temperature and controls contact automatically between little heating plate and isolation wattage transformer outlet side.Described little heating plate is installed in the correct position of standard bottom, pushes down its two ends with two thin narrow shape epoxy resin bars, and is fixed in the bottom of standard with AB glue.Described burner on light is installed in that a block size is about 25 * 50mm, thickness is about on the epoxy sheet of 1mm, is about on the small rectangle hole of 15 * 40mm in the size in standard top with AB glue sealing and fixing.The flexible circuit conductor that directly is not more than 0.5mm with line welds little heating plate and burner on light, flexible circuit conductor is done permanent fixing with AB glue at last.Correct position between the circular venthole that it is 4～6 ㎜ that described heat-sensitive sensor 6 usefulness AB glue are fixed on diameter of little heating plate and standard top.
During use, with display temperature controller 5, wattage transformer 4 and the standard corresponding connection of lead.According to environment temperature, display temperature controller 8 is set to be higher than 10 ℃ of environment temperatures, temperature return difference value is located at 2 ℃.Suppose that environment (in stopping up) temperature is 25 ℃, when display temperature controller showed 35 ℃, temperature was controlled the contact automatic disconnection automatically, stopped heating, and burner on light extinguishes; When 33 ℃ of display temperature controller demonstrations, temperature is controlled contact 3 auto-closings automatically, and little heating plate continues heating, and burner on light is bright.Go round and begin again like this, with the temperature constant in the standard between 33～35 ℃.
It is same as the prior art that present embodiment is not stated part.
Embodiment 2
The little heating controllable constant-temperature of a kind of precision instrument dehumanization method, step is as follows, described dehumanization method adopts the controlled constant humidity dehumidifier of the little heating of the described precision instrument of claim 1, be specially the correct position that described little heating plate is installed in the standard bottom, push down its two ends with two thin narrow shape epoxy resin bars, and be fixed in the bottom of standard with glue; Described burner on light is installed on the block size epoxy sheet, uses the glue sealing and fixing on the big or small slot in standard top; The flexible circuit conductor that directly is not more than 0.5mm with line welds little heating plate and burner on light, flexible circuit conductor is done permanent fixing with glue at last, described heat-sensitive sensor is with the correct position between the glue circular venthole that to be fixed on the diameter in little heating plate and standard top be 4～6 ㎜, during use, digital temperature is shown controller, isolating wattage transformer connects with lead is corresponding with standard, connect the 220V working power, when the temperature in the standard reaches the setting value of digital temperature demonstration controller, temperature is controlled the contact automatic disconnection automatically, stop heating, burner on light extinguishes; When digital temperature showed that the controller temperature has descended a little return difference value, temperature was controlled the contact auto-closing automatically, and little heating plate continues heating, and burner on light is bright.Go round and begin again like this, with the temperature constant in the standard between a very little scope.
It is identical with embodiment 1 that present embodiment is not stated part.
Claims (7)
1. the little heating controllable constant-temperature of precision instrument dehumidifier, it is characterized in that: include digital temperature and show controller, little heating plate, isolate wattage transformer, heat-sensitive sensor, described digital temperature shows that controller is connected with heat-sensitive sensor, digital temperature shows that controller and little heating plate are connected to input side and the outlet side of isolating wattage transformer, the input side of isolating wattage transformer is connected with power supply, is provided with temperature and controls contact automatically between little heating plate and isolation wattage transformer outlet side.
2. the little heating controllable constant-temperature of precision instrument according to claim 1 dehumidifier, it is characterized in that: the little heating controllable constant-temperature of described precision instrument dehumidifier also includes burner on light, and described burner on light is connected to little heating plate place.
3. the little heating controllable constant-temperature of precision instrument according to claim 2 dehumidifier, it is characterized in that: described little heating plate is installed as the marker bottom, push down the two ends of little heating plate with two thin narrow shape epoxy resin bars, paste the bottom of being fixed in standard.
4. the little heating controllable constant-temperature of precision instrument according to claim 3 dehumidifier, it is characterized in that: described burner on light is fixed on the epoxy sheet, after be installed on the standard top.
5. the little heating controllable constant-temperature of precision instrument according to claim 4 dehumidifier is characterized in that: described digital temperature shows that controller comprises a passive normal opened contact.
6. the little heating controllable constant-temperature of precision instrument according to claim 5 dehumidifier, it is characterized in that: described burner on light is the LED luminous tube, the serial connection current-limiting resistance.
7. the little heating controllable constant-temperature of precision instrument dehumanization method, it is characterized in that: step is as follows, described dehumanization method adopts the controlled constant humidity dehumidifier of the little heating of the described precision instrument of claim 1, be specially the correct position that described little heating plate is installed in the standard bottom, push down its two ends with two thin narrow shape epoxy resin bars, and be fixed in the bottom of standard with glue; Described burner on light is installed on the block size epoxy sheet, uses the glue sealing and fixing on the big or small slot in standard top; The flexible circuit conductor that directly is not more than 0.5mm with line welds little heating plate and burner on light, flexible circuit conductor is done permanent fixing with glue at last, described heat-sensitive sensor is with the correct position between the glue circular venthole that to be fixed on the diameter in little heating plate and standard top be 4～6 ㎜, during use, digital temperature is shown controller, isolating wattage transformer connects with lead is corresponding with standard, connect the 220V working power, when the temperature in the standard reaches the setting value of digital temperature demonstration controller, temperature is controlled the contact automatic disconnection automatically, stop heating, burner on light extinguishes; When digital temperature showed that the controller temperature has descended a little return difference value, temperature was controlled the contact auto-closing automatically, and little heating plate continues heating, and burner on light is bright, go round and begin again like this, with the temperature constant in the standard between a very little scope.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310079490.4A CN103182235B (en) | 2013-03-13 | 2013-03-13 | Precision instrument micro-heating controllable constant-temperature dehumidifier and dehumanization method |
| CN201510664681.6A CN105311930B (en) | 2013-03-13 | 2013-03-13 | The micro- heating controllable constant-temperature dehumanization method of precision instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310079490.4A CN103182235B (en) | 2013-03-13 | 2013-03-13 | Precision instrument micro-heating controllable constant-temperature dehumidifier and dehumanization method |
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| CN201510664681.6A Division CN105311930B (en) | 2013-03-13 | 2013-03-13 | The micro- heating controllable constant-temperature dehumanization method of precision instrument |
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| CN103182235A true CN103182235A (en) | 2013-07-03 |
| CN103182235B CN103182235B (en) | 2016-01-20 |
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| CN201310079490.4A Active CN103182235B (en) | 2013-03-13 | 2013-03-13 | Precision instrument micro-heating controllable constant-temperature dehumidifier and dehumanization method |
| CN201510664681.6A Active CN105311930B (en) | 2013-03-13 | 2013-03-13 | The micro- heating controllable constant-temperature dehumanization method of precision instrument |
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| CN201510664681.6A Active CN105311930B (en) | 2013-03-13 | 2013-03-13 | The micro- heating controllable constant-temperature dehumanization method of precision instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111537800A (en) * | 2020-05-25 | 2020-08-14 | 国家电网有限公司 | Intelligent power transformer dielectric loss factor and insulation resistance measuring device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103182235B (en) * | 2013-03-13 | 2016-01-20 | 福建省电力有限公司 | Precision instrument micro-heating controllable constant-temperature dehumidifier and dehumanization method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202173872U (en) * | 2011-07-27 | 2012-03-28 | 江苏省电力公司泗洪县供电公司 | Automatic dehumidifying device for safety tool cabinet |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0312216A (en) * | 1989-06-09 | 1991-01-21 | Toshiba Corp | Moistureproof storage container |
| US5660048A (en) * | 1996-02-16 | 1997-08-26 | Laroche Industries, Inc. | Air conditioning system for cooling warm moisture-laden air |
| CN101927121B (en) * | 2009-06-24 | 2013-02-06 | 深圳市洲侨创新除湿技术有限公司 | Temperature control type dehumidification cabinet |
| CN202173871U (en) * | 2011-07-19 | 2012-03-28 | 兰州大学 | Temperature and humidity controllable case |
| CN202497805U (en) * | 2012-02-02 | 2012-10-24 | 浙江嘉美机电设备有限公司 | Microcomputer control system for compression and heat adsorption type dryer |
| CN103182235B (en) * | 2013-03-13 | 2016-01-20 | 福建省电力有限公司 | Precision instrument micro-heating controllable constant-temperature dehumidifier and dehumanization method |
-
2013
- 2013-03-13 CN CN201310079490.4A patent/CN103182235B/en active Active
- 2013-03-13 CN CN201510664681.6A patent/CN105311930B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202173872U (en) * | 2011-07-27 | 2012-03-28 | 江苏省电力公司泗洪县供电公司 | Automatic dehumidifying device for safety tool cabinet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111537800A (en) * | 2020-05-25 | 2020-08-14 | 国家电网有限公司 | Intelligent power transformer dielectric loss factor and insulation resistance measuring device |
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| Publication number | Publication date |
|---|---|
| CN103182235B (en) | 2016-01-20 |
| CN105311930B (en) | 2017-10-17 |
| CN105311930A (en) | 2016-02-10 |
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