CN203811454U - Simple sample heating device for laboratory - Google Patents
Simple sample heating device for laboratory Download PDFInfo
- Publication number
- CN203811454U CN203811454U CN201420145267.5U CN201420145267U CN203811454U CN 203811454 U CN203811454 U CN 203811454U CN 201420145267 U CN201420145267 U CN 201420145267U CN 203811454 U CN203811454 U CN 203811454U
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- Prior art keywords
- heating
- wire
- sample
- cover plate
- insulating trip
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 83
- 238000009413 insulation Methods 0.000 claims description 32
- 239000000919 ceramic Substances 0.000 claims description 9
- 238000012360 testing method Methods 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
Abstract
The utility model relates to a simple sample heating device for a laboratory, which comprises a heating table, a voltage regulator, a power supply, a temperature display, a thermocouple and conducting wires, wherein the heating table is connected with a binding post at an output end of the pressure regulator through the conducting wire, a binding post at an input end of the voltage regulator is connected with the power supply through the conducting wire, a temperature sensing end of the thermocouple is abutted on the surface of a sample on the heating table or the surface of a small boss on a plane, where the sample is placed, of the heating table, a connecting wire of the thermocouple is connected with an output end of the temperature display, and an input end of the temperature display is connected with the power supply through the conducting wire. The heating device has the advantages of simple structure, convenience in manufacturing, easiness in implementation and uniformity and rapidity in heating, the heating temperature range and the heating rate can be adjusted within a wide range as required by changing the diameter of a heating wire or the output voltage of the voltage regulator, the heating table has the advantages of small size, convenience in movement and use, long service life and low cost, and the heating device can be widely used for controlling the temperature of the sample in the process of testing or preparing laboratory materials.
Description
Technical field
The utility model relates to the simple and easy sample heating device of a kind of use for laboratory, belongs to measuring technology and firing equipment technical field.
Background technology
In lab material preparation and test analysis process, usually need to adopt heating arrangement to control the temperature of sample and cooling or heating rate.Because some testing tool, sample preparation device are not originally equipped with attemperating unit, in use procedure, the specific (special) requirements of sample to temperature or warm variable Rate during for satisfied test or sample preparation, sometimes must other configuration heating arrangement.But work space and working environment because of testing of materials instruments different in laboratory or sample preparation device require otherness large, be subject to the restriction of its work space and working environment, and the impact of material sample form and size polytrope, common commercial heating arrangement is often difficult to be applied to, on these instrument and equipments, sample is carried out to temperature control.In addition, some high-precision commercial heating arrangement price is more expensive, when sample is less demanding to temperature-controlled precision in preparation or test process, selects this device will significantly increase scientific research cost.
Summary of the invention
the technical matters solving:the utility model is difference and the restriction because of different testing tools in laboratory or sample preparation device work space and working environment requirement for common commercial heating arrangement, the diversity of material sample form and size, and the commercial heating arrangement of high precision is expensive, be difficult to application to meet the problem of sample temperature requirements in preparation or test analysis process, provide a kind of use for laboratory simple and easy sample heating device, this apparatus structure is simple, homogeneous heating is rapid, warm table volume is small and exquisite, conveniently moving, applicability is strong, simple for production, long service life, with low cost.
technical purpose of the present utility model is achieved through the following technical solutions:
The simple and easy sample heating device of a kind of use for laboratory comprises that warm table 1, pressure regulator 2, power supply 3, temperature indicator 4, thermopair 5 and wire 6 assemble, warm table 1 is connected with the output end binding post of pressure regulator 2 by wire 6, the input end binding post of pressure regulator 2 is connected with power supply 3 by wire 6, the temperature-sensitive end of thermopair 5 is attached to the surface of warm table 1 sample or the plane small boss surface that warm table 1 is placed sample, the wiring of thermopair 5 is connected with the output terminal of temperature indicator 4, and the input end of temperature indicator 4 is connected with power supply 3 by wire 6, it is characterized in that described warm table 1 is by the good upper cover plate 7 of thermal conductivity, upper insulating trip 8, intermediate insulation sheet 9, lower insulating trip 10, be wrapped in the heating wire 11 on intermediate insulation sheet 9, lower cover 12, countersunk head screw 13, ceramic jacket 14 forms, in upper cover plate 7 back side shallow grooves that wherein thermal conductivity is good, stack successively insulating trip 8, be wound with the intermediate insulation sheet 9 of heating wire 11, lower insulating trip 10, lower cover 12 is connected and fixed by the good upper cover plate 7 of countersunk head screw 13 and thermal conductivity, the heating wire 11 being wrapped on intermediate insulation sheet 9 is drawn by two opening wire lead slots, heating wire 11 at wire lead slot place additional ceramic jacket 14 in order to the good upper cover plate 7 of warm table thermal conductivity and lower cover 12 insulation.
The described simple and easy sample heating device of a kind of use for laboratory, it is characterized in that the described good upper cover plate 7 upper surface middle parts of thermal conductivity have one for placing the plane small boss of sample, middle part, the back side has one for the fixing shallow grooves that goes up insulating trip 8, is wound with intermediate insulation sheet 9 and the lower insulating trip 10 of heating wire 11, has two opening wire lead slots that communicate with groove on a limit at upper cover plate 7 back sides.
beneficial effect:
The feature of the simple and easy sample heating device of a kind of use for laboratory is:
1. heating arrangement easy row simple in structure, easy to make.The upper and lower cover plate of warm table can make by simple machining process, and heating wire can manually be wound on insulating trip.
2. heating arrangement homogeneous heating rapidly, warm table volume is small and exquisite, use and mobile convenient, applied widely.What this device adopted is face type of heating, homogeneous heating, heating-up temperature scope and heating rate can regulate in wide region by changing heating wire diameter or pressure regulator output voltage as required, warm table volume is small and exquisite, thermal capacitance is low, heat up rapidly, and the large I of warm table is changed accordingly according to the variation of the difference of laboratory use occasion, sample size etc., mobile and easy to use, be adapted to the sample preparation of kinds of experiments chamber and test environment.
3. heating arrangement long service life, cost are low.Heater strip is high temperature resistant, long service life, after damage, can directly change, and compares with similar common commercial heating arrangement, and the cost of this heating arrangement reduces approximately more than 60% compared with the former.
Accompanying drawing explanation
The structural representation of the simple and easy sample heating device of a kind of use for laboratory of Fig. 1;
The warm table schematic diagram of the simple and easy sample heating device of a kind of use for laboratory of Fig. 2, wherein (a) is warm table vertical view, is (b) warm table A-A sectional view;
The upper cover plate schematic diagram of the simple and easy sample heating device of a kind of use for laboratory of Fig. 3, wherein (a) is upper cover plate front elevation, (b) is upper cover plate vertical view;
The lower cover schematic diagram of the simple and easy sample heating device of a kind of use for laboratory of Fig. 4, wherein (a) is lower cover front elevation, (b) is lower cover vertical view;
The heating wire of the simple and easy sample heating device of a kind of use for laboratory of Fig. 5 is wound around schematic diagram on intermediate insulation sheet.
reference numeral:
1-warm table, 2-pressure regulator, 3-power supply, 4-temperature indicator, 5-thermopair, 6-wire; The upper cover plate that 7-thermal conductivity is good, the upper insulating trip of 8-, 9-intermediate insulation sheet, insulating trip under 10-, 11-is wrapped in the heating wire on intermediate insulation sheet, 12-lower cover, 13-countersunk head screw, 14-ceramic jacket.
Embodiment
Embodiment 1
The simple and easy sample heating device of a kind of use for laboratory comprises that warm table 1, pressure regulator 2, power supply 3, temperature indicator 4, thermopair 5 and wire 6 assemble, warm table 1 is connected with the output end binding post of pressure regulator 2 by wire 6, the input end binding post of pressure regulator 2 is connected with power supply 3 by wire 6, the temperature-sensitive end of thermopair 5 is attached to the surface of warm table 1 sample or the plane small boss surface that warm table 1 is placed sample, the wiring of thermopair 5 is connected with the output terminal of temperature indicator 4, and the input end of temperature indicator 4 is connected with power supply 3 by wire 6, it is characterized in that described warm table 1 is by the good upper cover plate 7 of thermal conductivity, upper insulating trip 8, intermediate insulation sheet 9, lower insulating trip 10, be wrapped in the heating wire 11 on intermediate insulation sheet 9, lower cover 12, countersunk head screw 13, ceramic jacket 14 forms, in upper cover plate 7 back side shallow grooves that wherein thermal conductivity is good, stack successively insulating trip 8, be wound with the intermediate insulation sheet 9 of heating wire 11, lower insulating trip 10, lower cover 12 is connected and fixed by the good upper cover plate 7 of countersunk head screw 13 and thermal conductivity, the heating wire 11 being wrapped on intermediate insulation sheet 9 is drawn by two opening wire lead slots, heating wire 11 at wire lead slot place additional ceramic jacket 14 in order to the good upper cover plate 7 of warm table thermal conductivity and lower cover 12 insulation.
The described simple and easy sample heating device of a kind of use for laboratory, it is characterized in that the described good upper cover plate 7 upper surface middle parts of thermal conductivity have one for placing the plane small boss of sample, middle part, the back side has one for fixing upper insulating trip 8, be wound with the shallow grooves of intermediate insulation sheet 9 and the lower insulating trip 10 of heating wire 11, on a limit at upper cover plate 7 back sides, have two opening wire lead slots that communicate with groove.
Wherein:
1. adopt upper cover plate and the lower cover of Al processing warm table, the size of lower cover is 60mm * 60mm * 3mm, the bottom outer profile size of upper cover plate is consistent with lower cover, upper cover plate is of a size of 48mm * 48mm * 1mm for placing the plane small boss of sample, and the groove size at middle part, the upper cover plate back side is 48mm * 48mm * 1.5mm.
2. use mica sheet as insulating trip, the size of upper insulating trip and lower insulating trip is 48mm * 48mm * 0.3mm, and intermediate insulation chip size is 48mm * 44mm * 0.3mm.By the Cr20Ni80 heating wire uniform winding of F0.31mm * 1000mm on intermediate insulation sheet, then be placed in the groove of upper cover plate, its upper and lower surface is above insulating trip and lower insulating trip and the insulation of upper and lower cover plate respectively, then with lower cover, compress, finally with countersunk head screw, upper and lower cover plate is connected and fixed.
3. the heating wire of warm table is electrically connected to output voltage regulator by wire; Thermocouple temperature sensitive end is attached on the plane boss of placing sample, and its wiring is electrically connected to the output terminal of temperature indicator; The input end of pressure regulator and the input end of temperature indicator are connected with power supply respectively by wire.
When room temperature is 20 ℃, by regulating the output voltage (0 ~ 100V) of pressure regulator, the heating-up temperature of this heating arrangement can be adjustable continuously between 20 ℃ ~ 100 ℃, and sample stage surface temperature is even, and heating rate can be regulated and controled by input voltage.Compare with similar common commercial heating arrangement, this heating arrangement is simple in structure, warm table volume is small and exquisite, mobile and easy to use, cost performance is high, and long service life can be widely used in the temperature control of sample in lab material test or preparation process.
Embodiment 2
The simple and easy sample heating device of a kind of use for laboratory comprises that warm table 1, pressure regulator 2, power supply 3, temperature indicator 4, thermopair 5 and wire 6 assemble, warm table 1 is connected with the output end binding post of pressure regulator 2 by wire 6, the input end binding post of pressure regulator 2 is connected with power supply 3 by wire 6, the temperature-sensitive end of thermopair 5 is attached to the surface of warm table 1 sample or the plane small boss surface that warm table 1 is placed sample, the wiring of thermopair 5 is connected with the output terminal of temperature indicator 4, and the input end of temperature indicator 4 is connected with power supply 3 by wire 6, it is characterized in that described warm table 1 is by the good upper cover plate 7 of thermal conductivity, upper insulating trip 8, intermediate insulation sheet 9, lower insulating trip 10, be wrapped in the heating wire 11 on intermediate insulation sheet 9, lower cover 12, countersunk head screw 13, ceramic jacket 14 forms, in upper cover plate 7 back side shallow grooves that wherein thermal conductivity is good, stack successively insulating trip 8, be wound with the intermediate insulation sheet 9 of heating wire 11, lower insulating trip 10, lower cover 12 is connected and fixed by the good upper cover plate 7 of countersunk head screw 13 and thermal conductivity, the heating wire 11 being wrapped on intermediate insulation sheet 9 is drawn by two opening wire lead slots, heating wire 11 at wire lead slot place additional ceramic jacket 14 in order to the good upper cover plate 7 of warm table thermal conductivity and lower cover 12 insulation.
The described simple and easy sample heating device of a kind of use for laboratory, it is characterized in that the described good upper cover plate 7 upper surface middle parts of thermal conductivity have one for placing the plane small boss of sample, middle part, the back side has one for fixing upper insulating trip 8, be wound with the shallow grooves of intermediate insulation sheet 9 and the lower insulating trip 10 of heating wire 11, on a limit at upper cover plate 7 back sides, have two opening wire lead slots that communicate with groove.
Wherein:
1. adopt upper cover plate and the lower cover of machining graphite warm table, the size of lower cover is 60mm * 60mm * 6mm, the bottom outer profile size of upper cover plate is consistent with lower cover, upper cover plate is of a size of 40mm * 40mm * 3mm for placing the plane small boss of sample, and the groove size at middle part, the upper cover plate back side is 40mm * 40mm * 3.6mm.
2. use Al
2o
3potsherd is as insulating trip, and the size of upper insulating trip and lower insulating trip is 40mm * 40mm * 0.8mm, and intermediate insulation chip size is 40mm * 36mm * 0.8mm.By the Cr20Ni80 heating wire uniform winding of F0.60mm * 1000mm on intermediate insulation sheet, then be placed in the groove of upper cover plate, its upper and lower surface is above insulating trip and lower insulating trip and the insulation of upper and lower cover plate respectively, with lower cover, compress again, finally with countersunk head screw, upper and lower cover plate is connected and fixed.
3. the heating wire of warm table is electrically connected to output voltage regulator by wire; Thermocouple temperature sensitive end is attached on the plane boss of placing sample, and its wiring is connected with the output terminal of temperature indicator; The input end of pressure regulator and the input end of temperature indicator are connected with power supply respectively by wire.
When room temperature is 20 ℃, by regulating the output voltage (0 ~ 220V) of pressure regulator, the heating-up temperature of this heating arrangement can be adjustable continuously between 20 ℃ ~ 1000 ℃, and sample stage surface temperature is even, and heating rate can be regulated and controled by input voltage.Compare with similar common commercial heating arrangement, this heating arrangement is simple in structure, warm table volume is small and exquisite, mobile and easy to use, cost performance is high, and long service life can be widely used in the temperature control of sample in lab material test or preparation process.
Claims (2)
1. the simple and easy sample heating device of use for laboratory comprises warm table (1), pressure regulator (2), power supply (3), temperature indicator (4), thermopair (5) and wire (6) assemble, warm table (1) is connected with the output end binding post of pressure regulator (2) by wire (6), the input end binding post of pressure regulator (2) is connected with power supply (3) by wire (6), the temperature-sensitive end of thermopair (5) is attached to the surface of warm table (1) sample or the plane small boss surface that warm table (1) is placed sample, the wiring of thermopair (5) is connected with the output terminal of temperature indicator (4), the input end of temperature indicator (4) is connected with power supply (3) by wire (6), it is characterized in that described warm table (1) is by the good upper cover plate of thermal conductivity (7), upper insulating trip (8), intermediate insulation sheet (9), lower insulating trip (10), be wrapped in the heating wire (11) on intermediate insulation sheet (9), lower cover (12), countersunk head screw (13), ceramic jacket (14) forms, in upper cover plate (7) back side shallow grooves that wherein thermal conductivity is good, stack successively insulating trip (8), be wound with the intermediate insulation sheet (9) of heating wire (11), lower insulating trip (10), lower cover (12) is connected and fixed by the good upper cover plate (7) of countersunk head screw (13) and thermal conductivity, the heating wire (11) being wrapped on intermediate insulation sheet (9) is drawn by two opening wire lead slots, heating wire (11) insulate in order to the upper cover plate good with warm table thermal conductivity (7) and lower cover (12) at the additional ceramic jacket in wire lead slot place (14).
2. the simple and easy sample heating device of a kind of use for laboratory according to claim 1, it is characterized in that described good upper cover plate (7) the upper surface middle part of thermal conductivity has one for placing the plane small boss of sample, middle part, the back side has one for the fixing shallow grooves that goes up insulating trip (8), is wound with intermediate insulation sheet (9) and the lower insulating trip (10) of heating wire (11), has two opening wire lead slots that communicate with groove on a limit at upper cover plate (7) back side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420145267.5U CN203811454U (en) | 2014-03-27 | 2014-03-27 | Simple sample heating device for laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420145267.5U CN203811454U (en) | 2014-03-27 | 2014-03-27 | Simple sample heating device for laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203811454U true CN203811454U (en) | 2014-09-03 |
Family
ID=51450190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420145267.5U Expired - Lifetime CN203811454U (en) | 2014-03-27 | 2014-03-27 | Simple sample heating device for laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203811454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359748A (en) * | 2014-11-10 | 2015-02-18 | 河海大学 | Small sample heating device |
-
2014
- 2014-03-27 CN CN201420145267.5U patent/CN203811454U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359748A (en) * | 2014-11-10 | 2015-02-18 | 河海大学 | Small sample heating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jiang Shaoqun Inventor after: Wang Gang Inventor after: Deng Chaojie Inventor after: Wang Zehua Inventor after: Zhou Zehua Inventor after: Cheng Jiangbo Inventor after: Chi Ting Inventor before: Jiang Shaoqun Inventor before: Wang Gang Inventor before: Deng Chaojie Inventor before: Wang Zehua Inventor before: Zhou Zehua Inventor before: Cheng Jiangbo |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160114 Address after: 210036 No. 70 South Qingjiang Road, Gulou District, Jiangsu, Nanjing Patentee after: NANJING HEHAI TECHNOLOGY Ltd. Patentee after: HOHAI University Patentee after: SHAZHOU PROFESSIONAL INSTITUTE OF TECHNOLOGY Address before: 213164 Jiangsu city of Changzhou province Chang Wu Road No. 801, Changzhou Science City No. 1 South 2104 Patentee before: Changzhou Hehai Technology Research Institute Co.,Ltd. Patentee before: HOHAI University Patentee before: SHAZHOU PROFESSIONAL INSTITUTE OF TECHNOLOGY |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140903 |