CN105115614B - A kind of high-low temperature pre-warning bimetallic thermometer - Google Patents
A kind of high-low temperature pre-warning bimetallic thermometer Download PDFInfo
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- CN105115614B CN105115614B CN201510504635.XA CN201510504635A CN105115614B CN 105115614 B CN105115614 B CN 105115614B CN 201510504635 A CN201510504635 A CN 201510504635A CN 105115614 B CN105115614 B CN 105115614B
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- accommodating chamber
- proximity switch
- temperature
- protection pipe
- watchcase
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Abstract
The invention discloses a kind of high-low temperature pre-warning bimetallic thermometer, including：Watchcase, protection pipe, scale, pointer, needle pivot, temperature-sensing element, alarm, the first proximity switch and the second proximity switch, watchcase are connected with protection pipe, and the inside of watchcase is provided with accommodating chamber, and accommodating chamber includes the first accommodating chamber and the second accommodating chamber；The side of watchcase is provided with early warning box；In early warning box；Pointer is located in the first accommodating chamber and is connected installed in one end of needle pivot, the other end of needle pivot with temperature-sensing element；Scale is located in the first accommodating chamber and is provided with high temperature early warning line and low temperature early warning line positioned at the lower section of pointer, scale；First proximity switch and the second proximity switch are installed in the second accommodating chamber, and the first proximity switch electrically connects with high temperature alarm line terminal；Second proximity switch electrically connects with low-temperature warning line terminal.The present invention realizes the high-low temperature pre-warning function of bimetallic thermometer, effectively reduces the input of enterprise's production cost.
Description
Technical field
The present invention relates to instrument appliance technical field, more particularly to a kind of high-low temperature pre-warning bimetallic thermometer.
Background technology
Bimetallic thermometer is a kind of Site Detection instrument for measuring medium and low temperature, can be with the various production processes of direct measurement
In -80 DEG C -+500 DEG C in the range of liquid vapour and gas medium temperature.The main element of industrial bimetallic thermometer is one
The multilayered metal film of the individual composition that forced together with two or more metal film stacks, using two kinds of different metals when temperature changes it is swollen
The different principle work of swollen degree.In the course of the work, pointer rotation is driven during the expanded by heating of one end, work instrument is just shown
Go out the temperature value that thermoelectrical potential is answered.
Also continuously improve and improve with the needs of modern industrial technology, thermometry with the development of science and technology.Especially
It is higher to the temperature requirement of fluid to be measured or gas in terms of some processing industry.Therefore, in order to grasp fluid to be measured in real time
Or the temperature change of gas, staff can be monitored in real time to thermometer, cause the increase of enterprise's production cost.
The content of the invention
Based on technical problem existing for above-mentioned background technology, the present invention proposes a kind of high-low temperature pre-warning bimetallic thermometer,
The bimetallic thermometer has high-low temperature pre-warning function.
The present invention proposes a kind of high-low temperature pre-warning bimetallic thermometer, including：Watchcase, protection pipe, scale, pointer, refer to
Needle shaft, temperature-sensing element, alarm, the first proximity switch and the second proximity switch, wherein：
Watchcase is connected with protection pipe, and the inside of watchcase is provided with accommodating chamber, and accommodating chamber includes the first accommodating chamber of mutual conduction
With the second accommodating chamber, and the second accommodating chamber is located at and is provided with the peace that is turned on protection pipe close to the side of protection pipe, the second accommodating chamber
Fill mouth；The side of watchcase is provided with early warning box；
Alarm is arranged in early warning box, and alarm is provided with high temperature alarm line terminal and low-temperature warning connections
End；
Pointer is located in the first accommodating chamber, and pointer is arranged on one end of needle pivot, and the other end of needle pivot holds through second
Chamber of receiving is stretched in protection pipe and is connected with the temperature-sensing element in protection pipe, and temperature-sensing element is formed by bimetal leaf helically coiling；
Scale is located in the first accommodating chamber and is respectively equipped with the lower section of pointer, scale along the swaying direction of pointer
High temperature early warning line and low temperature early warning line；
First proximity switch and the second proximity switch are installed in the second accommodating chamber, also, the first proximity switch and
Two proximity switches are respectively positioned at the lower section of high temperature early warning line and low temperature early warning line, the first proximity switch and high temperature alarm connections
End electrical connection, when pointer reaches a high temperature early warning line, the first proximity switch closure, alarm sends heat alert；Second is close
Switch electrically connects with low-temperature warning line terminal, when pointer reaches low temperature early warning line, the second proximity switch closure, and alarm
Send low temperature alarm.
Preferably, the one end of tube cavity away from watchcase is protected to be provided with the fixed component for being used for fixing temperature-sensing element, and it is fixed
Part is made by Heat Conduction Material.
Preferably, fixed component is arranged at the port of protection pipe, and fixed component is set to bullet, and the maximum of bullet
End flushes with the port surface of protection pipe；Temperature-sensing element is connected to the smallest end of bullet.
Preferably, taper is provided with inside fixed component and waits the drainage lumens of wall thickness, the opening of drainage lumens is arranged on fixed part
In the largest end face of part.
Preferably, scale is blocked by sealing clamping ring to the conducting orifice between the first accommodating chamber and the second accommodating chamber,
So that the first accommodating chamber forms annular seal space, and buffer solution is filled in the first accommodating chamber.
Preferably, the connecting portion for being used for connecting protection pipe is provided with watchcase at installing port.
Preferably, watchcase includes upper shell, liner shell and lower house, and liner shell is located inside lower house and matched somebody with somebody with lower sealing
The accommodating chamber for forming sealing is closed, also, the opening edge of liner shell is pressed on sealing clamping ring and is used to compress sealing clamping ring；
Upper shell is located at the outside of lower house and is connected with lower house.
In the present invention, by setting high temperature early warning line and low temperature early warning line on scale, and pass through the first proximity switch, the
Two proximity switches and precaution device are equipped with it, and when pointer reaches a high temperature early warning line, the first proximity switch closes
Close, alarm sends heat alert；When pointer reaches low temperature early warning line, the second proximity switch closure, alarm sends low temperature
Alarm；It is achieved thereby that warning function, and no longer need staff to be monitored in real time, effectively reduce enterprise's production cost
Input.And high-low temperature pre-warning bimetallic thermometer provided by the present invention also has fast response time, small volume, the linearity
The advantages of good, relatively stable.
Brief description of the drawings
Fig. 1 is a kind of structural representation of high-low temperature pre-warning bimetallic thermometer proposed by the present invention.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
As shown in figure 1, Fig. 1 is a kind of structural representation of high-low temperature pre-warning bimetallic thermometer proposed by the present invention.
Reference picture 1, a kind of high-low temperature pre-warning bimetallic thermometer that the embodiment of the present invention proposes, including：Watchcase 1, protection
Pipe 2, scale 3, pointer 4, needle pivot 5, temperature-sensing element 6, alarm 7, the first proximity switch 8 and the second proximity switch 9, wherein：
Watchcase 1 is provided with the connecting portion for being used for connecting protection pipe 2, and watchcase 1 is connected with protection pipe 2, and the inside of watchcase 1 is provided with
Accommodating chamber, accommodating chamber includes the first accommodating chamber 10 and the second accommodating chamber 11 of mutual conduction, and the second accommodating chamber 11 is positioned at close
The side of protection pipe 2, the second accommodating chamber 11 are provided with the installing port turned on protection pipe 2；The side of watchcase 1 is provided with early warning box
12；The one end of the inner chamber of protection pipe 2 away from watchcase 1, which is provided with, is used to fixing the fixed component 13 of temperature-sensing element 6, and fixed component 13 by
Heat Conduction Material is made；Alarm 7 is arranged in early warning box 12, and alarm 7 is provided with high temperature alarm line terminal and low temperature
Alarm circuit terminals.
Pointer 4 is located in the first accommodating chamber 10, and pointer 4 is arranged on one end of needle pivot 5, and the other end of needle pivot 5 passes through
Second accommodating chamber 11 is stretched in protection pipe 2 and is connected with the temperature-sensing element 6 in protection pipe 2, and temperature-sensing element 6 is by bimetal leaf spiral shell
The system of curling up forms；Scale 3 is in the first accommodating chamber 10 and on the lower section of pointer 4, scale 3 along the swing side of pointer 4
To being respectively equipped with high temperature early warning line and low temperature early warning line；Scale 3 is accommodated by sealing clamping ring 14 to the first accommodating chamber 10 and second
Conducting orifice between chamber 11 is blocked so that the first accommodating chamber 10 forms annular seal space, and fills buffering in the first accommodating chamber 10
Liquid, for improving the shock resistance of pointer.
First proximity switch 8 and the second proximity switch 9 are installed in the second accommodating chamber 11, also, the first proximity switch 8
With the second proximity switch 9 respectively positioned at the lower section of high temperature early warning line and low temperature early warning line, the first proximity switch 8 and high temperature alarm line
Road terminals electrical connection, when pointer 4 reaches a high temperature early warning line, the first proximity switch 8 closes, and alarm 7 sends heat alert；
Second proximity switch 9 electrically connects with low-temperature warning line terminal, when pointer 4 reaches low temperature early warning line, the second proximity switch 9
Closure, alarm 7 send low temperature alarm.
In order to improve the measuring accuracy of thermometer so that institute's measured value is more bonded fluid to be measured or gas medium temperature, this
Fixed component 13 is arranged at the port of protection pipe 2 by embodiment, and fixed component 13 is set into bullet, and bullet is most
Big end flushes with the port surface of protection pipe 2；The inside of fixed component 13 is provided with taper and waits the drainage lumens 1301 of wall thickness, drainage lumens
1301 opening is arranged in the largest end face of fixed component 13, by this set reduce temperature-sensing element 6 and fluid to be measured or
Thermal losses between gas medium, and then improve measuring accuracy.
In addition, in the present embodiment, watchcase 1 includes upper shell 101, liner shell 102 and lower house 103, and liner shell 102 is located at
The inside of lower house 103 and the accommodating chamber that sealing is cooperatively formed with lower sealing, also, the opening edge of liner shell 102 is pressed on sealing
It is used to compress sealing clamping ring 14 on trim ring 14；Upper shell 101 is located at the outside of lower house 103 and connected with lower house 103
Connect；The sealing property of watchcase 1, and anti-deformation are improved by this structure design.
The present invention passes through the first proximity switch 8, the by setting high temperature early warning line and low temperature early warning line on scale 3
Two proximity switches 9 and precaution device are equipped with it, when pointer 4 reaches a high temperature early warning line, the first proximity switch 8
Closure, alarm 7 send heat alert；When pointer 4 reaches low temperature early warning line, the second proximity switch 9 is closed, and alarm 7 is sent out
Go out low temperature alarm；It is achieved thereby that warning function, and no longer need staff to be monitored in real time, effectively reduce enterprise's life
Produce the input of cost.And high-low temperature pre-warning bimetallic thermometer provided by the present invention also has fast response time, small volume, line
Property degree it is good, relatively stable the advantages of.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (3)
- A kind of 1. high-low temperature pre-warning bimetallic thermometer, it is characterised in that including：Watchcase (1), protection pipe (2), scale (3), refer to Pin (4), needle pivot (5), temperature-sensing element (6), alarm (7), the first proximity switch (8) and the second proximity switch (9), wherein：Watchcase (1) is connected with protection pipe (2), and the inside of watchcase (1) is provided with accommodating chamber, and accommodating chamber includes the first appearance of mutual conduction Receive chamber (10) and the second accommodating chamber (11), and the second accommodating chamber (11) is located at close to the side of protection pipe (2), the second accommodating chamber (11) it is provided with the installing port with protection pipe (2) conducting；The side of watchcase (1) is provided with early warning box (12)；Alarm (7) is arranged in early warning box (12), and alarm (7) is provided with high temperature alarm line terminal and low-temperature warning circuit Terminals；Pointer (4) is located in the first accommodating chamber (10), and pointer (4) is arranged on one end of needle pivot (5), needle pivot (5) it is another End stretches in protection pipe (2) through the second accommodating chamber (11) and is connected with the temperature-sensing element (6) in protection pipe (2), temperature-sensitive member Part (6) is formed by bimetal leaf helically coiling；Scale (3) is located in the first accommodating chamber (10) and on the lower section of pointer (4), scale (3) along the swing of pointer (4) Direction is respectively equipped with high temperature early warning line and low temperature early warning line；First proximity switch (8) and the second proximity switch (9) are installed in the second accommodating chamber (11), also, first close to opening Close (8) and the second proximity switch (9) respectively positioned at the lower section of high temperature early warning line and low temperature early warning line, the first proximity switch (8) and High temperature alarm line terminal electrically connects, when pointer (4) reaches a high temperature early warning line, the first proximity switch (8) closure, and alarm (7) heat alert is sent；Second proximity switch (9) electrically connects with low-temperature warning line terminal, and when pointer (4), to reach low temperature pre- During alert line, the second proximity switch (9) closure, alarm (7) sends low temperature alarm；The one end of protection pipe (2) inner chamber away from watchcase (1) is provided with the fixed component (13) for being used for fixing temperature-sensing element (6), and solid Determine part (13) to be made by Heat Conduction Material；Fixed component (13) is arranged at the port of protection pipe (2), and fixed component (13) is set to bullet, and the maximum of bullet End flushes with the port surface of protection pipe (2)；Temperature-sensing element (6) is connected to the smallest end of bullet；Taper is provided with inside fixed component (13) and waits the drainage lumens (1301) of wall thickness, the opening of drainage lumens (1301) is arranged on admittedly In the largest end face for determining part (13)；The connecting portion for being used for connecting protection pipe (2) is provided with watchcase (1) at installing port.
- 2. high-low temperature pre-warning bimetallic thermometer according to claim 1, it is characterised in that scale (3) is pressed by sealing Circle (14) blocks to the conducting orifice between the first accommodating chamber (10) and the second accommodating chamber (11) so that the first accommodating chamber (10) Annular seal space is formed, and buffer solution is filled in the first accommodating chamber (10).
- 3. high-low temperature pre-warning bimetallic thermometer according to claim 1 or 2, it is characterised in that watchcase (1) includes upper casing Body (101), liner shell (102) and lower house (103), liner shell (102) are located at lower house (103) inside and coordinated with lower sealing The accommodating chamber of sealing is formed, also, the opening edge of liner shell (102) is pressed on sealing clamping ring (14) and is used for sealing clamping ring (14) compressed；Upper shell (101) is located at the outside of lower house (103) and is connected with lower house (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510504635.XA CN105115614B (en) | 2015-08-17 | 2015-08-17 | A kind of high-low temperature pre-warning bimetallic thermometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510504635.XA CN105115614B (en) | 2015-08-17 | 2015-08-17 | A kind of high-low temperature pre-warning bimetallic thermometer |
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| Publication Number | Publication Date |
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| CN105115614A CN105115614A (en) | 2015-12-02 |
| CN105115614B true CN105115614B (en) | 2018-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510504635.XA Active CN105115614B (en) | 2015-08-17 | 2015-08-17 | A kind of high-low temperature pre-warning bimetallic thermometer |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668643A (en) * | 2019-03-01 | 2019-04-23 | 安徽天康(集团)股份有限公司 | A kind of double upper limit electric contact bimetallic thermometers of high-precision |
| CN110186585A (en) * | 2019-06-19 | 2019-08-30 | 中国人民解放军陆军勤务学院 | Monitoring of temperature difference of mass concrete system based on temperature-sensitive device |
| CN110547972A (en) * | 2019-09-11 | 2019-12-10 | 李晓琪 | Feeding bottle with prompt facility |
Citations (8)
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|---|---|---|---|---|
| CN2235613Y (en) * | 1995-03-11 | 1996-09-18 | 洪斌祥 | Thermometer using bimetallic strip as temp. sensing element |
| CN2921801Y (en) * | 2006-03-31 | 2007-07-11 | 明高五金制品（深圳）有限公司 | Double-indicator coaxle double-temperature displaying thermometer |
| CN102087931A (en) * | 2009-12-08 | 2011-06-08 | 上海莫克电子技术有限公司 | SF6 density relay |
| CN202076182U (en) * | 2011-05-26 | 2011-12-14 | 西安创联宏晟电子有限公司 | Gas monitoring device |
| CN204142377U (en) * | 2014-07-21 | 2015-02-04 | 明高五金制品（深圳）有限公司 | Temperature detection device |
| CN204405206U (en) * | 2015-02-11 | 2015-06-17 | 相鹏 | A kind of bimetallic system cell |
| CN204422022U (en) * | 2014-12-30 | 2015-06-24 | 福建船政交通职业学院 | There is the anti-interference fuel oil instrument system of warning function |
| CN204944689U (en) * | 2015-08-17 | 2016-01-06 | 安徽电气集团股份有限公司 | A kind of high-low temperature pre-warning bimetallic system cell |
-
2015
- 2015-08-17 CN CN201510504635.XA patent/CN105115614B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2235613Y (en) * | 1995-03-11 | 1996-09-18 | 洪斌祥 | Thermometer using bimetallic strip as temp. sensing element |
| CN2921801Y (en) * | 2006-03-31 | 2007-07-11 | 明高五金制品（深圳）有限公司 | Double-indicator coaxle double-temperature displaying thermometer |
| CN102087931A (en) * | 2009-12-08 | 2011-06-08 | 上海莫克电子技术有限公司 | SF6 density relay |
| CN202076182U (en) * | 2011-05-26 | 2011-12-14 | 西安创联宏晟电子有限公司 | Gas monitoring device |
| CN204142377U (en) * | 2014-07-21 | 2015-02-04 | 明高五金制品（深圳）有限公司 | Temperature detection device |
| CN204422022U (en) * | 2014-12-30 | 2015-06-24 | 福建船政交通职业学院 | There is the anti-interference fuel oil instrument system of warning function |
| CN204405206U (en) * | 2015-02-11 | 2015-06-17 | 相鹏 | A kind of bimetallic system cell |
| CN204944689U (en) * | 2015-08-17 | 2016-01-06 | 安徽电气集团股份有限公司 | A kind of high-low temperature pre-warning bimetallic system cell |
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| CN105115614A (en) | 2015-12-02 |
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