CN204043811U - A kind of coefficient of heat conductivity instrument standard thermometric plate - Google Patents
A kind of coefficient of heat conductivity instrument standard thermometric plate Download PDFInfo
- Publication number
- CN204043811U CN204043811U CN201420404946.XU CN201420404946U CN204043811U CN 204043811 U CN204043811 U CN 204043811U CN 201420404946 U CN201420404946 U CN 201420404946U CN 204043811 U CN204043811 U CN 204043811U
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- circuit plate
- heat
- plate
- coefficient
- temperature detecting
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Abstract
The utility model relates to insulation material detection field, particularly a kind of coefficient of heat conductivity instrument standard thermometric plate.It comprises heater circuit plate and cold circuit plate, heat-insulation layer is provided with between heater circuit plate and cold circuit plate, the two sides of heat-insulation layer all scribbles heat-conducting silicone grease, heater circuit plate has space hole relative to the place of the space between coefficient of heat conductivity instrument metering plate and protective shield, the width in described space hole is greater than the width of space, and described heater circuit plate is welded with 9 temperature detecting resistances, and one of them is positioned at center, another 8 both sides being distributed on space hole, the both sides in each space hole respectively have one; Described cold circuit plate is welded with 5 temperature detecting resistances, one of them is positioned at center, and all the other four temperature detecting resistances around center are uniform; Heater circuit plate is connected one group of wire with each temperature detecting resistance on cold circuit plate, and often organize wire and have 4 wires, the other end often organizing wire connects quick plug.This utility model structure is simple, and easy to use, testing result is accurate.
Description
(1) technical field
The utility model relates to insulation material detection field, particularly a kind of coefficient of heat conductivity instrument standard thermometric plate.
(2) background technology
Coefficient of heat conductivity instrument is a kind of specialized equipment measuring insulation material coefficient of heat conductivity, the coefficient of heat conductivity of insulation material is the important parameter being related to energy-saving and emission-reduction, along with the whole world was to the attention of energy-saving and emission-reduction in recent years, flourish in the building energy saving field of China, coefficient of heat conductivity instrument is widely used.But the calibrating of coefficient of heat conductivity instrument, calibration operation are still in the blank stage, cannot examine the accuracy of coefficient of heat conductivity instrument accurately.
Mainly adopt the form of comparison coefficient of heat conductivity standard reference plate to carry out to the calibration of coefficient of heat conductivity instrument at present, its principle is the standard substance by measuring known medial temperature and thermal conductivity value linear relationship with coefficient of heat conductivity instrument, demarcates coefficient of heat conductivity instrument.But first this principle mandates wants the temperature value of cold-hot plate under accurate heat conducting coefficient measuring instrument equilibrium state, and way common at present filament galvanic couple or flat thermometer is clipped in coefficient of heat conductivity instrument to measure, both unreasonable, also inaccurate.
(3) summary of the invention
The utility model, in order to make up the defect of prior art, provides and a kind ofly uses coefficient of heat conductivity instrument standard thermometric plate simple, that accuracy is high, with strong points.
The utility model is achieved by the following technical solution:
A kind of coefficient of heat conductivity instrument standard thermometric plate, it is characterized in that, comprise heater circuit plate and cold circuit plate, heat-insulation layer is provided with between heater circuit plate and cold circuit plate, the two sides of heat-insulation layer all scribbles heat-conducting silicone grease, heater circuit plate has space hole relative to the place of the space between coefficient of heat conductivity instrument metering plate and protective shield, the width in described space hole is greater than the width of space, described heater circuit plate is welded with 9 temperature detecting resistances, one of them is positioned at center, another 8 both sides being distributed on space hole, the both sides in each space hole respectively have one; Described cold circuit plate is welded with 5 temperature detecting resistances, one of them is positioned at center, and the corresponding metering plate area of all the other four temperature detecting resistances around center is uniform; Heater circuit plate is connected one group of wire with each temperature detecting resistance on cold circuit plate, often organize wire and have 4 wires, the side that other end circuit board often being organized wire concentrates on plate face arranges pad 10, and for welding external wire, the other end of external wire connects quick plug.
4 temperature detecting resistance one_to_one corresponding on 4 temperature detecting resistances peripheral on cold circuit plate and heater circuit plate inside space hole.
Described heater circuit plate, cold circuit plate are together with the riveting of heat-insulation layer rivet.
Described heat-insulation layer is made up of polyurethane material.
The beneficial effects of the utility model are:
1, the heat of selecting circuit plate structure, cold drawing face, fixing and the orientation problem of effective solution thermometric thermal resistance, can accurately navigate to measurement target position, and solve the problem of surface smoothness, make heat, cold drawing face and tested coefficient of heat conductivity instrument cold-hot plate close contact, simultaneously because plate lead-in wire at quarter is very thin, thin, process of the test is made substantially to keep one dimensional heat transfer model.
2, select film thermal resistance, solved 4 line wiring issue of thermal resistance by board structure of circuit, eliminate lead effect, and thin film thermoelectric resistance body amasss, one side thermometric small, therefore can measure the temperature on its residing surface accurately.
3, the setting in space hole, produce heat bridge by thermometric plate under avoiding tested coefficient of heat conductivity instrument metering plate and protective shield to there is temperature difference situation and bring impact, the hot plate temperature situation of tested coefficient of heat conductivity instrument can be reflected really, distinguish the temperature value of metering plate and protective shield.
4, the setting of heat-conducting silicone grease coating, makes circuit board and warming plate close contact, eliminates the impact of thermal contact resistance, ensures the continuity of one dimensional heat transfer model.
5, the setting of heat-insulation layer, fully simulation coefficient of heat conductivity instrument normal operating conditions, makes the result of measurement can be applied in its daily test.
(4) accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is plan structure schematic diagram of the present utility model;
Fig. 2 of the present utility modelly looks up structural representation;
Fig. 3 is the right TV structure schematic diagram in local of Fig. 1.
In figure, 1 heater circuit plate, 2 cold circuit plates, 3 heat-insulation layers, 4 heat-conducting silicone greases, 5 temperature detecting resistances, 6 space holes, 7 wires, 8 quick plugs, 9 rivets, 10 pads 10.
(5) embodiment
Accompanying drawing is specific embodiment of the utility model.As Fig. 1, Fig. 2, shown in Fig. 3, this kind of coefficient of heat conductivity instrument standard thermometric plate, comprise heater circuit plate 1 and cold circuit plate 2, the homogeneous heat-insulation layer 3 that coefficient of heat conductivity is less is filled with between heater circuit plate 1 and cold circuit plate 2, the polyurethane material being preferably 25mm ± 2mm by thickness is made, the two sides of heat-insulation layer 3 all scribbles heat-conducting silicone grease 4, heat-conducting silicone grease 4 can eliminate cold circuit plate 2, heater circuit plate 1 with between heat-insulation layer 3 owing to contacting tight and thermal contact resistance that is that produce, it can make to keep stable one dimensional heat transfer state between the cold-hot plate of coefficient of heat conductivity instrument, thermometric accuracy and confidence level can be promoted, heater circuit plate 1 has space hole 6 relative to the place of the space between coefficient of heat conductivity instrument metering plate and protective shield, the width in space hole 6 is slightly larger than the width of space, heat bridge is there is when preventing thermometric plate from docking in thermal conductivity measuring apparatus not exclusively accurately, heater circuit plate 1 is welded with 9 temperature detecting resistances 5, one of them is positioned at center, another 8 both sides being distributed on space hole 6, the both sides in each space hole 6 respectively have one, cold circuit plate 2 is welded with 5 temperature detecting resistances 5, one of them is positioned at center, all the other four temperature detecting resistances 5 around center are uniform, and 4 best one_to_one corresponding in temperature detecting resistance 5 position inside space hole 6 gone up by 4 temperature detecting resistances 5 peripheral on cold circuit plate 2 and heater circuit plate 1, above-mentioned temperature detecting resistance 5 will flush with the circuit board at respective place on its surface when welding, and must not exceed, and its position and the temperature control sensor on tested coefficient of heat conductivity instrument want consistent.Heater circuit plate 1 is connected one group of wire 7 with each temperature detecting resistance 5 on cold circuit plate 2, often organize wire 7 and have 4 wires, the part often organizing wire 7 is carved on circuit boards and extends to the edge of circuit board, wire also must flush with the circuit board at respective place, object makes plate face neatly and reduces the impact that wire 7 produces hot-fluid form, another part of wire is external wire, in above-mentioned edge, a pad 10 is set, can be connected with external wire at pad 10 place by wire on circuit boards, the other end of external wire connects quick plug 8, for being connected with the quick socket of Displaying Meter, wire 7 can be made like this to lean out from gap when the door of coefficient of heat conductivity instrument is closed, convenient operation, the result that temperature detecting resistance 5 records is shown by Displaying Meter, in the present embodiment, what wire 7 adopted is high temperature resistant, that intensity is large, pliability is good teflon silver jacketed wire.
In order to increase fastness, heater circuit plate 1, cold circuit plate 2 and heat-insulation layer 3 are used together with rivet 9 riveting, rivet 9 also should flush with circuit board.
During work, between hot and cold plate the utility model being inserted tested coefficient of heat conductivity instrument, be connected with Displaying Meter by quick plug 8, the data-signal that temperature detecting resistance 5 records just has been shown by Displaying Meter.
Except technical characteristic described in instructions, all the other technical characteristics are those skilled in the art's known technology.
Claims (4)
1. a coefficient of heat conductivity instrument standard thermometric plate, it is characterized in that, comprise heater circuit plate (1) and cold circuit plate (2), heat-insulation layer (3) is provided with between heater circuit plate (1) and cold circuit plate (2), the two sides of heat-insulation layer (3) all scribbles heat-conducting silicone grease (4), heater circuit plate (1) has space hole (6) relative to the place of the space between coefficient of heat conductivity instrument metering plate and protective shield, the width of described space hole (6) is greater than the width of space, described heater circuit plate (1) is welded with 9 temperature detecting resistances (5), one of them is positioned at center, another 8 both sides being distributed on space hole (6), the both sides of each space hole (6) respectively have one, described cold circuit plate (2) is welded with 5 temperature detecting resistances (5), one of them is positioned at center, and all the other four temperature detecting resistances around center (5) are uniform, heater circuit plate (1) is connected one group of wire (7) with each temperature detecting resistance (5) on cold circuit plate (2), often organizes wire (7) and has 4 wires, and the other end often organizing wire (7) connects quick plug (8).
2. coefficient of heat conductivity instrument standard thermometric plate according to claim 1, is characterized in that, 4 temperature detecting resistance (5) one_to_one corresponding of upper 4 the peripheral temperature detecting resistances (5) of cold circuit plate (2) and inner side, heater circuit plate (1) upper space hole (6).
3. coefficient of heat conductivity instrument standard thermometric plate according to claim 1 and 2, is characterized in that, described heater circuit plate (1), cold circuit plate (2) and heat-insulation layer (3) use rivet (9) riveting together.
4. coefficient of heat conductivity instrument standard thermometric plate according to claim 3, it is characterized in that, described heat-insulation layer (3) is made up of polyurethane material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420404946.XU CN204043811U (en) | 2014-07-22 | 2014-07-22 | A kind of coefficient of heat conductivity instrument standard thermometric plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420404946.XU CN204043811U (en) | 2014-07-22 | 2014-07-22 | A kind of coefficient of heat conductivity instrument standard thermometric plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204043811U true CN204043811U (en) | 2014-12-24 |
Family
ID=52244463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420404946.XU Withdrawn - After Issue CN204043811U (en) | 2014-07-22 | 2014-07-22 | A kind of coefficient of heat conductivity instrument standard thermometric plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204043811U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155021A (en) * | 2014-07-22 | 2014-11-19 | 山东省计量科学研究院 | Standard temperature measuring board for thermal conductivity meter |
| CN109752113A (en) * | 2019-01-22 | 2019-05-14 | 南京市计量监督检测院 | Location determining method and circuit design method in web temperature sensor and its application |
-
2014
- 2014-07-22 CN CN201420404946.XU patent/CN204043811U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155021A (en) * | 2014-07-22 | 2014-11-19 | 山东省计量科学研究院 | Standard temperature measuring board for thermal conductivity meter |
| CN104155021B (en) * | 2014-07-22 | 2016-08-17 | 山东省计量科学研究院 | A kind of thermal conductivity factor instrument standard thermometric plate |
| CN109752113A (en) * | 2019-01-22 | 2019-05-14 | 南京市计量监督检测院 | Location determining method and circuit design method in web temperature sensor and its application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141224 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |