CN109983315A - Thermometer and thermometer connector - Google Patents
Thermometer and thermometer connector Download PDFInfo
- Publication number
- CN109983315A CN109983315A CN201780070907.7A CN201780070907A CN109983315A CN 109983315 A CN109983315 A CN 109983315A CN 201780070907 A CN201780070907 A CN 201780070907A CN 109983315 A CN109983315 A CN 109983315A
- Authority
- CN
- China
- Prior art keywords
- sensor portion
- connector
- display
- thermometer
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
- G01K1/12—Protective devices, e.g. casings for preventing damage due to heat overloading
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The present invention provide it is a kind of even if sensor portion measure high temperature, the heat transfer of sensor portion can be prevented to the thermometer of display.Thermometer of the invention has: sensor portion (1)；Display (6), the temperature that electricity display sensor portion (1) is measured；The shell (5) of resin accommodates display (6)；And connector (3) made of ceramics, it is located between sensor portion (1) and shell (5).Ceramics are with zirconium oxide (ZrO2) oxidation zirconium fine ceramics as main component.
Description
Technical field
The present invention relates to thermometer and thermometer connectors.
Background technique
Such as installation measures the thermometer (referring to patent document 1) of delivery temperature on prime mover of ship.Pass through measurement
Delivery temperature, so as to know the combustion state of prime mover.Operator observes delivery temperature one when navigating by water and starting on one side
Side controls fuel injection amount, the deterioration of imperfect combustion, rate of fuel consumption amount when preventing high load capacity.In addition, operator is low
The blocking of combustion injection valve is detected when load while observing the delivery temperature of prime mover.
In addition, the delivery temperature of prime mover is high temperature (such as 400~600 DEG C).From the necessity of measurement high temperature, make
Mercurial thermometer has been used for existing thermometer.But in recent years, in order to prevent the health problem as caused by mercury pollution,
Manufacture, sale mercury, the product for having used mercury at home, are abroad being forbidden in environmental pollution.Therefore, it is necessary to alternative water
The Novel thermometer of silver-colored thermometer.As Novel thermometer, it is expected that a kind of utilization has the sensor portion of thermocouple etc. to measure
Delivery temperature and using the electrical display such as liquid crystal come the thermometer of displays temperature.
Citation
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2003-120378 bulletin
Summary of the invention
Subject to be solved by the invention
But the temperature of sensor portion measurement is high temperature (such as 400~600 DEG C), in contrast, liquid crystal etc. is electrically shown
The heat resisting temperature of device is very low (such as 70~80 DEG C).In the thermometer for being equipped with this display, there are the height of sensor portion
The heat transfer of temperature to display and is well over project as the heat resisting temperature of display.
Therefore, the object of the present invention is to provide one kind even if sensor portion measure high temperature, can prevent sensor portion
Heat transfer to display thermometer and thermometer connector.
Solution for solving the problem
In order to solve the above problems, an embodiment of the invention is a kind of thermometer, is had: sensor portion；It is aobvious
Show that device, electricity show the temperature that the sensor portion is measured；The shell of resin accommodates the display；And ceramics
The connector of system is located between the sensor portion and the shell.
Other embodiments of the invention are a kind of thermometer connector made of ceramics, are located in sensor portion and resin
Between the shell of system, the shell receiving electricity of the resin shows the display for the temperature that the sensor portion is measured.
Invention effect
According to the present invention, firstly, the connector made of ceramics that heat resisting temperature is high and thermal conductivity ratio metal is low is to from sensor
The heat of portion's transmitting is thermally shielded.Then, heat resisting temperature is lower than connector made of ceramics but thermal conductivity ratio connector made of ceramics is low
The shell of resin the heat transmitted from connector made of ceramics is thermally shielded.Due in connector made of ceramics and resin
The two stages of shell are thermally shielded, therefore even if sensor portion measures high temperature, can also prevent the heat transfer of sensor portion
To display.
Detailed description of the invention
Fig. 1 is the stereoscopic figure of the thermometer of present embodiment.
Fig. 2 is the main view of the thermometer of present embodiment.
Fig. 3 is the cross-sectional view of sensor portion installation metal fittings.
Fig. 4 is the detailed figure of connector ((a) of Fig. 4 is side view, and (b) of Fig. 4 is cross-sectional view).
Fig. 5 is the figure for indicating result obtained by the heat insulation to connector made of ceramics is tested.
Specific embodiment
Hereinafter, being described in detail based on thermometer of the attached drawing to embodiments of the present invention.But temperature of the invention
Meter can embody in various ways, it is not limited to embodiment documented by this specification.Present embodiment is for such as
Lower purpose and provide, sufficiently disclosed by making specification, so that those skilled in the art can fully understand the range of invention.
Fig. 1 and Fig. 2 indicates the thermometer of an embodiment of the invention.Fig. 1 is perspective view, and Fig. 2 is main view.Attached drawing
Label 1 is sensor portion, and appended drawing reference 2 is that sensor portion installs metal fittings, and appended drawing reference 3 is connector, and appended drawing reference 4 is shell
Body installs metal fittings, and appended drawing reference 5 is shell, and appended drawing reference 6 is display.
Sensor portion 1 is inserted into prime mover, detects the delivery temperature of prime mover.Sensor portion 1 has and elongated has round-ended cylinder
The thermocouple 1b of the outer cylinder 1a of shape and the internal stretch in outer cylinder 1a.Sensor portion installation is fixed in the upper end of sensor portion 1
Metal fittings 2.Sensor portion 1 is exposed to the exhaust of the high temperature of prime mover, and the temperature of sensor portion 1 is about 400 DEG C~600 DEG C.
In order to be resistant to high temperature, outer cylinder 1a is stainless steel.
Sensor portion installation metal fittings 2 have: main body 2a is formed on the outer periphery the outer spiral shell for being screwed into prime mover
Line；And nut 2b, the external thread spiro fastening with main body 2a.Sensor portion installation metal fittings 2 are screwed into prime mover and are faced
When fix, after the direction for adjusting thermometer, sensor portion installation metal fittings 2 are formally fixed on using nut 2b former dynamic
Machine.
When being installed on prime mover, the temperature that sensor portion installs metal fittings 2 is about 300 DEG C.In view of being screwed into original
The easy degree of motivation is resistant to the case where high temperature, and it is stainless steel that sensor portion, which installs metal fittings 2,.
Fig. 3 indicates the cross-sectional view of the main body 2a of sensor portion installation metal fittings 2.It is formed in the downside of the periphery of main body 2a
There is the external screw thread 11 for being screwed into prime mover.The external screw thread 12 for being screwed into connector 3 is formed on the upside of the periphery of main body 2a.
Main body 2a be formed with axially through hole 13.Sensor portion is with being routed through the hole 13.The lower end of main body 2a with
The mode that hole 13 is connected to is formed with recess portion 15, which is used to install for the outer cylinder 1a of sensor portion 1.In the upper end of main body 2a
Portion is formed with recess portion 16 in a manner of being connected to hole 13, which fills heat resistant adhesive.Sensor portion is logical with wiring
After crossing the hole 13 of main body 2a and sensor portion 1 being installed on main body 2a, recess portion 16 is filled by heat resistant adhesive.This is in order to anti-
The only convection current of the hot gas of through hole 13.
The detailed figure of Fig. 4 expression connector 3.(a) of Fig. 4 is the side view of connector 3, and (b) of Fig. 4 is the cross-sectional view of connector 3.
Connector 3 is in substantially tubular, so as to be routed through for sensor portion.Even the axial length of connector 3 is with narrow machine
Tool space also can install the mode of thermometer and be 50mm or less.
Connector 3 is ceramic system.When being installed on prime mover, the lower end of connector 3 and sensor portion install metal fittings 2
It is similarly about 300 DEG C.(pyroconductivity is lower) is functioned in view of about 300 DEG C of tolerance of high temperature and as heat-barrier material
Situation makes 3 ceramic system of connector.Although resin pyroconductivity is lower, it is not resistant to 300 DEG C or more of high temperature.Although metal
It is resistant to high temperature, but pyroconductivity cannot be reduced.
In the present embodiment, use is with zirconium oxide (ZrO2) oxidation zirconium fine ceramics as main component.Zirconium oxide
It is that fine ceramics has the property that regardless of the temperature change from 100 DEG C to 600 DEG C, it is below all has 5W/ (mK)
Low-thermal conductivity, bending aspect use screw threads for fastening compared with strong (as aluminium, be not easily broken or rupture bending)
Do not allow easily rupturable.
The internal screw thread 21 for being screwed into sensor portion installation metal fittings 2 is formed in the lower end of connector 3.In connector 3
Upper end be formed with for be screwed into shell installation metal fittings 4 external screw thread 22.It is different with internal diameter in the inner peripheral surface of connector 3
Mode is machined with multiple step 23a~23e.Step 23a~23e configured with multi-disc, such as five circular next door 24a~
24e, next door 24a~24e are provided with the hole being routed through for sensor portion at center.Next door 24a~24e with a thickness of 2~
5mm.As long as next door 24a~24e has more than a piece of, but due to that can use the air layer divided by next door 24a~24e
Make heat-barrier material, therefore preferably there is two panels or more.Since the part of the internal screw thread 21 of the lower end of connector 3 is about 300 DEG C, because
This undermost next door 24a uses the material of heat resistance.Next door 24b~the 24e more top than the second layer will not so become high fever,
Therefore silicon rubber is used.
As shown in Fig. 2, being screwed into shell installation metal fittings 4 on the top of connector 3.Shell installation metal fittings 4 have greatly
Cause the main body 4a of cylindrical shape and the nut 4b with the external thread spiro fastening of the upper end of main body 4a.It is using nut 4b that shell 5 is fixed
In the upper end of main body 4a.Main body 4a is stainless steel.The external screw thread for being screwed into connector 3 is formed in the lower end of main body 4a
22 internal screw thread.
As shown in Figure 1, shell 5 is formed as box shape elongated in the up-down direction.Shell 5 is not so good as connector by heat resisting temperature
3 resins high but low thermal conductivity ratio connector 3 like that, such as polybutylene terephthalate (PBT) resin, polytetrafluoroethylene (PTFE)
(PTFE) etc. fluororesin are made.By the way that connector 3 made of ceramics is arranged, so that the temperature of the lower end of shell 5 is reduced to about 100
DEG C or so or 100 DEG C or less.Therefore, it is able to use resin.
Shell 5 has: the housing body 5b of box shape, is installed on shell installation metal fittings 4；And lid 5a, energy
It is installed on housing body 5b to enough handling.The Electronic Paper 6 as display is provided with, according to the electricity of thermocouple in housing body 5b
Kinetic potential calculate temperature and make calculated temperature display in the electronic circuit of Electronic Paper 6 and to Electronic Paper 6 and electronic circuit
The battery supplied electric power.Electronic circuit and battery are configured at the back side of Electronic Paper 6.Sensor portion is with being routed through in shell 5 simultaneously
It is connected with electronic circuit.The window for capableing of visual confirmation Electronic Paper 6 is provided on lid 5a.
Shell 5 is elongated in the up-down direction.Electronic Paper 6, electronic circuit, battery be configured at shell 5 top half (that is,
Than the half on the length direction of shell 5 position far from the side of connector 3).The heat for having passed through connector 3 reaches above-mentioned portion
It is fully heat-insulated by shell 5 before part, therefore the temperature of above-mentioned component rests on 50 DEG C or less.It therefore, can be by above-mentioned component
Heat resisting temperature is maintained at hereinafter, and being able to extend battery life.
Electronic Paper 6 applies voltage by storing the white pigment particles and black pigment particles of electrification in microcapsules
Keep granules of pigments mobile to be shown.Electronic Paper 6 is that have the advantages that be considered as the visual display medium of paper, and have electricity
Rewrite feature as display content.In addition, Electronic Paper 6 has such feature low in energy consumption.Therefore, it is former dynamic to be suitable as measurement
The display of the thermometer of the delivery temperature of machine.
As shown in Fig. 2, being able to carry out following arbitrary display in Electronic Paper 6: the scale 6a of displays temperature, adjoint temperature
Height and the bar chart 6b, the numerical value 6c and the resume 6d of temperature of temperature etc. that extend along scale 6a.Resume 6d is shown pair
Horizontal axis is arranged temperature, chart obtained by the time is arranged to the longitudinal axis.
Embodiment
It is put into 500 DEG C of liquid (melt of nitre) in cylinder tank, pipe is screwed into cylinder by cylinder tank as prime mover
The lid of tank.The left side of the image of Fig. 5 indicates the pipe (mark SP2, SP3, SP7) of comparative example.The pipe of comparative example is from lower end to upper end
All stainless steels.
The right side of the image of Fig. 5 indicates the pipe (mark SP4, SP5, SP6, SP8) of example of the present invention.In pipe of the invention,
Lower part is stainless steel, and top is the ceramic system of length 35mm.
As shown in figure 5, the temperature of lower end is SP2 (362.1 DEG C) in the pipe of comparative example, the temperature of upper end is SP3
(190.1℃).Although temperature reduces, temperature as the shell of resin can be installed by not being reduced to.
In contrast, in the pipe of example of the present invention, the temperature of lower end is SP4 (354.0 DEG C), the upper end of the pipe of stainless steel
The temperature in portion is SP5 (222.0 DEG C).By installing pipe made of ceramics, although length only has 35mm, the upper end of pipe made of ceramics
The temperature in portion is reduced immediately to SP6 (113.7 DEG C), SP8 (98.1 DEG C).It is effective that connector made of ceramics, which is known, as heat-barrier material
's.
It should be noted that not changing master of the invention the invention is not limited to above embodiment is embodied as
Various embodiments can be changed in the range of purport.
For example, in the above-described embodiment, the example of prime mover that thermometer is installed on to ship is illustrated, but
Thermometer can be also installed on to prime mover of generator.In addition, furnace, height can also be installed on if to measure high temperature
Warm duct for fluid.
This specification is based on Patent 2016-225690 filed on November 21st, 2016.The content is integrally incorporated in this.
Description of symbols:
1 ... sensor portion；
2 ... sensor portions install metal fittings
3 ... connectors；
4 ... shells install metal fittings；
5 ... shells；
6 ... Electronic Papers (display)；
The next door 24a~24e ....
Claims (7)
1. a kind of thermometer, has:
Sensor portion；
Display, electricity show the temperature that the sensor portion is measured；
The shell of resin accommodates the display；And
Connector made of ceramics is located between the sensor portion and the shell.
2. thermometer according to claim 1, which is characterized in that
The ceramics are with zirconium oxide i.e. ZrO2Oxidation zirconium fine ceramics as main component.
3. thermometer according to claim 1 or 2, which is characterized in that
The connector by can for being routed through of the sensor portion in a manner of be shaped generally as tubular, also, described
The inside of connector has the next door for the convection current for preventing hot gas.
4. thermometer according to any one of claim 1 to 3, which is characterized in that
There is sensor portion that metal fittings are installed in the axial one end screw threads for fastening of the connector,
There is shell that metal fittings are installed in axial the other end screw threads for fastening of the connector.
5. thermometer according to any one of claim 1 to 4, which is characterized in that
The display is Electronic Paper.
6. thermometer according to any one of claim 1 to 5, which is characterized in that
The position that the display, electronic circuit and battery are configured at the half on the ratio length direction of the shell is separate
The side of the connector, the electronic circuit make the display displays temperature, and the battery is to the display and the electricity
Sub-circuit supplies electric power.
7. a kind of thermometer connector made of ceramics, is located between sensor portion and the shell of resin, the resin system
Shell receiving electricity show the display of temperature that the sensor portion is measured.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-225690 | 2016-11-21 | ||
| JP2016225690 | 2016-11-21 | ||
| PCT/JP2017/041210 WO2018092828A1 (en) | 2016-11-21 | 2017-11-16 | Thermometer and thermometer joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109983315A true CN109983315A (en) | 2019-07-05 |
| CN109983315B CN109983315B (en) | 2021-04-20 |
Family
ID=62146518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780070907.7A Active CN109983315B (en) | 2016-11-21 | 2017-11-16 | Joint for thermometer and thermometer |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR102196887B1 (en) |
| CN (1) | CN109983315B (en) |
| WO (1) | WO2018092828A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6664798B1 (en) * | 2019-07-23 | 2020-03-13 | 株式会社村山電機製作所 | Automatic switching method of temperature display screen and thermometer using the method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1053291A (en) * | 1991-01-25 | 1991-07-24 | 佟金祥 | Noble metal thermocouple mounting structure |
| JPH04151093A (en) * | 1990-10-11 | 1992-05-25 | Taisei Corp | Heat insulation mathod for water pumping up pipe for hot spring well and heat insulation cylinder for hot water pumping up pipe |
| CN2169846Y (en) * | 1993-10-30 | 1994-06-22 | 王旭 | Fast continuous temp. measuring gun with metal ceramic thermocouple |
| CN203772451U (en) * | 2013-12-20 | 2014-08-13 | 江苏和丰制铁新材料科技有限公司 | Thermocouple detection apparatus |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4133208A (en) * | 1978-01-26 | 1979-01-09 | Parlanti Conrad A | Probe-type read-out thermometer |
| JPS5775519U (en) * | 1980-10-24 | 1982-05-10 | ||
| US4752770A (en) * | 1986-03-10 | 1988-06-21 | General Electric Company | Apparatus for monitoring temperatures of implements during brazing |
| JP3571951B2 (en) * | 1999-01-20 | 2004-09-29 | 中小企業総合事業団 | Thermocouple device |
| JP4132772B2 (en) | 2001-10-12 | 2008-08-13 | ヤマハマリン株式会社 | Ship propulsion engine control system |
| JP2006058231A (en) * | 2004-08-23 | 2006-03-02 | Nesstech Inc | Thermometer |
| JP4672415B2 (en) * | 2005-03-31 | 2011-04-20 | 株式会社鷺宮製作所 | High temperature fluid flow meter |
| KR101204820B1 (en) * | 2006-11-24 | 2012-11-26 | 삼성테크윈 주식회사 | CIT sensor module |
| JP3130262U (en) * | 2006-12-22 | 2007-03-22 | 株式会社山崎計量器製作所 | Exhaust thermometer and cylindrical spring member for fixing exhaust thermometer |
| KR101209594B1 (en) * | 2011-03-18 | 2012-12-07 | 진영준 | Graphic and digital thermometer having vibration-resistant |
-
2017
- 2017-11-16 WO PCT/JP2017/041210 patent/WO2018092828A1/en active Application Filing
- 2017-11-16 KR KR1020197014689A patent/KR102196887B1/en active IP Right Grant
- 2017-11-16 CN CN201780070907.7A patent/CN109983315B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04151093A (en) * | 1990-10-11 | 1992-05-25 | Taisei Corp | Heat insulation mathod for water pumping up pipe for hot spring well and heat insulation cylinder for hot water pumping up pipe |
| CN1053291A (en) * | 1991-01-25 | 1991-07-24 | 佟金祥 | Noble metal thermocouple mounting structure |
| CN2169846Y (en) * | 1993-10-30 | 1994-06-22 | 王旭 | Fast continuous temp. measuring gun with metal ceramic thermocouple |
| CN203772451U (en) * | 2013-12-20 | 2014-08-13 | 江苏和丰制铁新材料科技有限公司 | Thermocouple detection apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109983315B (en) | 2021-04-20 |
| KR102196887B1 (en) | 2020-12-30 |
| WO2018092828A1 (en) | 2018-05-24 |
| KR20190072608A (en) | 2019-06-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203858043U (en) | Spring-loading temperature sensor | |
| CN107559116B (en) | Integrated heater and filter | |
| US9074946B2 (en) | Protective tube inner part for a thermometer with a protective tube | |
| CN109983315A (en) | Thermometer and thermometer connector | |
| CN102098816B (en) | Electric cartridge heater with connecting circuit | |
| CN108204863A (en) | High-temperature exhaust air sensor | |
| CN208847366U (en) | Low temperature contact surface temperature sensor | |
| CN109253818A (en) | High temperature contact formula surface temperature sensor | |
| CN110631731A (en) | High-temperature-resistant corrosion-resistant platinum-rhodium wire thermocouple and preparation method thereof | |
| JP6315535B1 (en) | Thermometer and thermometer joint | |
| CN205653472U (en) | Iron -smelting blast furnace cooling water temperature sensor based on fiber grating | |
| ITMI20140353U1 (en) | CARTRIDGE HEATER FOR ELECTRIC RADIATOR | |
| JP6663799B2 (en) | Liquid level sensor | |
| CN109282915A (en) | A kind of heating water tank inside temperature measuring equipment | |
| CN207964116U (en) | A kind of photoelectric temperature sensor | |
| CN208847365U (en) | High temperature contact formula surface temperature sensor | |
| CN207019804U (en) | Thermocouple for aluminum solutions | |
| KR20120055823A (en) | Measuring sensor for temperature of automobile engine | |
| US10018513B1 (en) | Thermowell extension | |
| US10731895B2 (en) | Mounting adaptor for mounting a sensor assembly to a water heater tank | |
| US9977436B2 (en) | Flow rate adjustment apparatus | |
| CN204807226U (en) | Shock -resistant thermal resistance sensor | |
| CN217878063U (en) | Surface temperature measuring structure suitable for jacket structure and thermocouple using same | |
| CN216206480U (en) | Protective cover | |
| CN205102942U (en) | Large -scale generator is with automatic armor thermal resistance of hunting leak |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |