CN201260967Y - High and low-temperature air medium constant temperature bath - Google Patents
High and low-temperature air medium constant temperature bath Download PDFInfo
- Publication number
- CN201260967Y CN201260967Y CNU2008200999256U CN200820099925U CN201260967Y CN 201260967 Y CN201260967 Y CN 201260967Y CN U2008200999256 U CNU2008200999256 U CN U2008200999256U CN 200820099925 U CN200820099925 U CN 200820099925U CN 201260967 Y CN201260967 Y CN 201260967Y
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Abstract
The utility model discloses a high and low temperature thermostat air bath which comprises a shell, a refrigerating battery, an insulation layer, a motor, a liner, a heater, a temperature control platinum resistor and a temperature controller, wherein the lower part of the shell is provided with the refrigerating battery, the top of the shell is provided with the motor, the liner is internally provided with an air ventilation board, the upper part at one side of the air ventilation board is provided with a centrifugal fan driven by the motor, the heater and a refrigerating evaporator are sequentially arranged below the centrifugal fan, the other side of the air ventilation board is provided with a porous average temperature cylinder, an insulation cover board is arranged above the porous average temperature cylinder and is provided with small through holes, and working medium in the liner is air. The high and low temperature thermostat air bath uses air as the constant-temperature medium, is economic and safe, obtains little temperature fluctuation degree and horizontal temperature uniformity, avoids the pollution brought by oil medium, prevents accidents of easy fire and explosion of oil medium and alcohol medium under higher temperature state, and has popularization value.
Description
Technical field
The thermostat that relates to air dielectric of the present utility model more specifically relates to a kind of high Cryogenic air medium thermostat.
Background technology
In the prior art, the thermostat of check thermometer, temperature sensor mainly adopts Liquid Medium Constant Temperature Oven, Liquid Medium Constant Temperature Oven will be with different liquid mediums and different thermostats in different temperature ranges, as, the temperature that liquid medium requires is below 0 ℃ the time, use the alcohol medium, with corresponding alcohol medium low temperature thermostat bath; When the temperature that liquid medium requires is 0 ℃-100 ℃, use aqueous medium, with corresponding aqueous medium thermostat; When the temperature that liquid medium requires is 100 ℃-200 ℃, can adopt salad oil, with corresponding salad oil medium high temperature constant temperature groove; The temperature that liquid medium requires is below 300 ℃ the time, can adopt silicone oil etc., available corresponding high temperature constant temperature groove.The deficiency that this Liquid Medium Constant Temperature Oven exists: the one, the constant temperature zone in that difference requires needs different liquid medium and different thermostats, and the use of its liquid medium and thermostat all is subjected to limitation; The 2nd, oil be medium the high temperature constant temperature groove in use, the oil medium is under the condition of high temperature, the volatile matter that the oil medium produces, influence indoor environment, influence people's health, simultaneously, oily medium under the condition of high temperature, the alcohol medium is under the higher temperatures state, also easily catch fire, explode, have defective at safe ready.Existing high low temperature thermostat bath is mainly by shell, refrigeration unit, heat-insulation layer, motor, inner bag, heater, temperature control RTD, temperature controller.At present, JJF1030-1998 " thermostat technical performance test specification " execution is pressed in the specification requirement of the calibrating of thermometer or temperature sensor or comparison.For this reason, in order to overcome the deficiency of existing Liquid Medium Constant Temperature Oven, remain to be explored new high low temperature thermostat bath.
Summary of the invention
The purpose of this utility model: have the deficiency that exists in the Liquid Medium Constant Temperature Oven technology now for solving, and a kind of high Cryogenic air medium thermostat is provided.
The technical solution of the utility model is achieved in that a kind of high Cryogenic air medium thermostat, comprise shell, refrigeration unit, heat-insulation layer, motor, inner bag, heater, the temperature control RTD, temperature controller, bottom at shell is provided with refrigeration unit, top at shell is provided with motor, in inner bag, be provided with aerofoil, top in a side of aerofoil, be provided with centrifugation blade by driven by motor, below centrifugation blade, be provided with heater successively, refrigerating evaporator, opposite side at aerofoil is provided with porous samming tube, be provided with the insulation cover plate above porous samming tube, be provided with little perforation on the insulation cover plate, the working media in inner bag is an air dielectric.
Described porous samming tube is a cylindrical shape, the barrel of porous samming tube 20-50 millimeters sections suitable for reading do not have air vent, evenly be densely covered with air vent on the barrel beyond the barrel of porous samming tube 20-50 millimeters sections suitable for reading, the diameter of the air vent that evenly gathers on the bucket wall of porous samming tube is 5-20 millimeters, the gross area of air vent be not less than porous samming tube barrel developed area 1/3rd.
Be equipped with ventilating duct in described aerofoil above and below, by centrifugation blade one side, under the stirring of centrifugation blade, air dielectric flows from bottom to top at inner bag, by refrigerating evaporator or heater refrigeration or heating, air dielectric flows through the ventilating duct of aerofoil top, is leaning on porous samming tube one side, and air dielectric flows from top to bottom, outside and inner by porous samming tube, flow through the ventilating duct of aerofoil below, be back to centrifugation blade, make the air dielectric of aerofoil both sides form eddy current.
The little perforation that described insulation cover plate (11) is provided with is inserted with standard thermometer and tested thermometer.
High Cryogenic air medium thermostat of the present utility model, be mainly used in calibrating or the comparison work of carrying out common thermometer or temperature sensor equitemperature device, the calibrating of standard thermometer or temperature sensor and tested thermometer or temperature sensor or comparison work should be undertaken by the relevant technologies requirement.
Operation principle of the present utility model: high Cryogenic air medium thermostat of the present utility model, its operating temperature range is generally at-40 ℃-+150 ℃, minimum reaching-70 ℃, the temperature control RTD is installed on the aerofoil, the temperature control RTD is connected with temperature controller, temperature control RTD and temperature controller are complementary, the driven by motor centrifugation blade stirs and forms the air dielectric eddy current, the cooled evaporator cools of flow air medium or heated by heater, make to reach good horizontal temperature uniformity technical indicator in the samming tube, so that standard thermometer or temperature sensor and tested thermometer or temperature sensor compare detection in insulation cover plate insertion samming tube.
The beneficial effects of the utility model: high Cryogenic air medium thermostat of the present utility model, with the air dielectric is thermostatic medium, big advantage with economy, safety, constant temperature scope, with porous samming tube is the constant high temperature temperature groove structure of characteristic, make cylinder-shaped air medium high temperature constant temperature bath reach very little temperature fluctuation and horizontal temperature uniformity, for good condition has been created in calibrating or the comparison of carrying out thermometer or temperature sensor.Cylinder-shaped air medium high temperature constant temperature bath of the present invention, can satisfy calibrating, the comparison requirement of many thermometers, temperature sensor, avoid the conversion of water, oily medium again, avoid the pollution that brings with oily medium, avoid the accident potential of under the higher temperatures state, easily catching fire, exploding, have promotional value with oily medium, alcohol medium.
Description of drawings
Accompanying drawing is a structural representation of the present utility model
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing
As shown in drawings, a kind of high Cryogenic air medium thermostat of the present utility model, comprise shell 1, refrigeration unit 2, heat-insulation layer 3, motor 8, inner bag 15, heater 5, temperature control RTD 13, temperature controller 12, be provided with refrigeration unit 2 in the bottom of shell 1, be provided with motor 8 at the top of shell 1, in inner bag 15, be provided with aerofoil 7, top in a side of aerofoil 7, be provided with the centrifugation blade 6 that drives by motor 8, below centrifugation blade 6, be provided with heater 5 successively, refrigerating evaporator 4, opposite side at aerofoil 7 is provided with porous samming tube 14, above porous samming tube 14, be provided with insulation cover plate 11, be provided with little perforation on insulation cover plate 11, the working media in inner bag 15 is an air dielectric.Described porous samming tube 14 is a cylindrical shape, the barrel of porous samming tube 14 20-50 millimeters sections suitable for reading do not have air vent, evenly be densely covered with air vent on the barrel beyond the barrel of porous samming tube 14 20-50 millimeters sections suitable for reading, the diameter of the air vent that evenly gathers on the barrel of porous samming tube 14 is 5-20 millimeters, the gross area of air vent be not less than porous samming tube 14 barrel developed area 1/3rd.Be equipped with ventilating duct in described aerofoil 7 above and belows, lean on centrifugation blade 6 one sides at inner bag 3, under the stirring of centrifugation blade 6, air dielectric flows from bottom to top, by refrigerating evaporator 4 or heater 5 refrigeration or heating, air dielectric flows through the ventilating duct of aerofoil 7 tops, leaning on porous samming tube 14 1 sides, air dielectric flows from top to bottom, outside and inner by porous samming tube 14, flow through the ventilating duct of aerofoil 7 belows, be back to centrifugation blade 6, make the air dielectric of aerofoil 7 both sides form eddy current.The little perforation that described insulation cover plate 11 is provided with is inserted with standard thermometer 9 and tested thermometer 10.
Top at shell 1 is provided with heat shield, the middle part of heat shield is provided with the hole, corresponding with the little perforation of insulation cover plate 11, standard thermometer 9 and passed the little perforation of insulation on the cover plate 11 by thermometer 10, make standard thermometer 9 and inserted in the porous samming tube 14, examine and determine, compare by the head of thermometer 10.The grade of standard thermometer 9 is higher than by the grade of thermometer 10.
Claims (4)
1, a kind of high Cryogenic air medium thermostat, comprise shell (1), refrigeration unit (2), heat-insulation layer (3), motor (8), inner bag (15), heater (5), temperature control RTD (13), temperature controller (12), it is characterized in that: be provided with refrigeration unit (2) in the bottom of shell (1), be provided with motor (8) at the top of shell (1), in inner bag (15), be provided with aerofoil (7), top in a side of aerofoil (7), be provided with the centrifugation blade (6) that drives by motor (8), be provided with heater (5) successively in the below of centrifugation blade (6), refrigerating evaporator (4), opposite side at aerofoil (7) is provided with porous samming tube (14), be provided with insulation cover plate (11) in porous samming tube (14) top, be provided with little perforation on insulation cover plate (11), the working media in inner bag (15) is an air dielectric.
2, by the described high Cryogenic air medium thermostat of claim 1, it is characterized in that: described porous samming tube (14) is cylindrical shape, the barrel of porous samming tube (14) 20-50 millimeters sections suitable for reading do not have air vent, evenly be densely covered with air vent on the barrel beyond the barrel of porous samming tube (14) 20-50 millimeters sections suitable for reading, the diameter of the air vent that evenly gathers on the barrel of porous samming tube (14) is 5-20 millimeters, the gross area of air vent be not less than porous samming tube (14) barrel developed area 1/3rd.
3, by claim 1 or 2 described high Cryogenic air medium thermostats, it is characterized in that: be equipped with ventilating duct in described aerofoil (7) above and below, lean on centrifugation blade (6) one sides at inner bag (3), under the stirring of centrifugation blade (6), air dielectric flows from bottom to top, by refrigerating evaporator (4) or heater (5) refrigeration or heating, air dielectric flows through the ventilating duct of aerofoil (7) top, leaning on porous samming tube (14) one sides, air dielectric flows from top to bottom, and outside and inner by porous samming tube (14) flow through the ventilating duct of aerofoil (7) below, be back to centrifugation blade (6), make the air dielectric of aerofoil (7) both sides form eddy current.
4, by the described high Cryogenic air medium thermostat of claim 1, it is characterized in that: the little perforation that described insulation cover plate (11) is provided with is inserted with standard thermometer (9) and tested thermometer (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200999256U CN201260967Y (en) | 2008-09-08 | 2008-09-08 | High and low-temperature air medium constant temperature bath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200999256U CN201260967Y (en) | 2008-09-08 | 2008-09-08 | High and low-temperature air medium constant temperature bath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201260967Y true CN201260967Y (en) | 2009-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200999256U Expired - Fee Related CN201260967Y (en) | 2008-09-08 | 2008-09-08 | High and low-temperature air medium constant temperature bath |
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| Country | Link |
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| CN (1) | CN201260967Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384801A (en) * | 2011-08-24 | 2012-03-21 | 山东省计量科学研究院 | Achieving method and device of temperature source under 550-880 DEG C |
| CN102494807A (en) * | 2011-12-26 | 2012-06-13 | 上海海洋大学 | Multi-point temperature calibration device for accurately controlling temperature fluctuation of thermostatic water bath box and operation method thereof |
| CN104133186A (en) * | 2014-08-04 | 2014-11-05 | 广州赛宝计量检测中心服务有限公司 | Air thermostatic box for verification or calibration of air type standard resistor |
| CN107678462A (en) * | 2017-11-01 | 2018-02-09 | 泰安磐然测控科技有限公司 | Constant speed groove and constant speed groove constant speed cooling system and constant speed groove constant speed cool-down method |
| CN110367144A (en) * | 2019-08-03 | 2019-10-25 | 长沙学院 | Semi-enclosed pet blow-drying case |
-
2008
- 2008-09-08 CN CNU2008200999256U patent/CN201260967Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384801A (en) * | 2011-08-24 | 2012-03-21 | 山东省计量科学研究院 | Achieving method and device of temperature source under 550-880 DEG C |
| CN102384801B (en) * | 2011-08-24 | 2013-01-16 | 山东省计量科学研究院 | Achieving method and device of temperature source under 550-880 DEG C |
| CN102494807A (en) * | 2011-12-26 | 2012-06-13 | 上海海洋大学 | Multi-point temperature calibration device for accurately controlling temperature fluctuation of thermostatic water bath box and operation method thereof |
| CN102494807B (en) * | 2011-12-26 | 2013-06-05 | 上海海洋大学 | Multi-point temperature calibration device for accurately controlling temperature fluctuation of thermostatic water bath box and operation method thereof |
| CN104133186A (en) * | 2014-08-04 | 2014-11-05 | 广州赛宝计量检测中心服务有限公司 | Air thermostatic box for verification or calibration of air type standard resistor |
| CN104133186B (en) * | 2014-08-04 | 2017-04-19 | 广州赛宝计量检测中心服务有限公司 | Air thermostatic box for verification or calibration of air type standard resistor |
| CN107678462A (en) * | 2017-11-01 | 2018-02-09 | 泰安磐然测控科技有限公司 | Constant speed groove and constant speed groove constant speed cooling system and constant speed groove constant speed cool-down method |
| CN107678462B (en) * | 2017-11-01 | 2022-12-20 | 泰安磐然测控科技有限公司 | Constant-speed tank, constant-speed cooling system for constant-speed tank and constant-speed cooling method for constant-speed tank |
| CN110367144A (en) * | 2019-08-03 | 2019-10-25 | 长沙学院 | Semi-enclosed pet blow-drying case |
| CN110367144B (en) * | 2019-08-03 | 2024-01-26 | 长沙学院 | Semi-closed pet blow-drying box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090624 Termination date: 20110908 |