CN209416517U - A kind of high-precision ultralow temperature temperature monitor - Google Patents
A kind of high-precision ultralow temperature temperature monitor Download PDFInfo
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- CN209416517U CN209416517U CN201920138762.6U CN201920138762U CN209416517U CN 209416517 U CN209416517 U CN 209416517U CN 201920138762 U CN201920138762 U CN 201920138762U CN 209416517 U CN209416517 U CN 209416517U
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Abstract
The utility model discloses a kind of high-precision ultralow temperature temperature monitors, including meter housing, the meter housing lower end is equipped with protection pipe, bimetallic temperature sensing element is equipped with inside the protection pipe, thermocouple is equipped on the inside of the bimetallic temperature sensing element, the inside of the meter housing is equipped with accommodating chamber, measurement plate is equipped in the accommodating chamber, pointer and needle pivot, and pointer is located above measurement plate, one end of needle pivot is installed by pointer, the other end passes through measurement plate and connects bimetallic temperature sensing element, heating water tank is additionally provided with below measurement plate in the accommodating chamber, battery, temperature divertor and processor, the measurement plate is equipped with one group of heat conducting pipe along measurement plate edge distribution, the end of the heat conducting pipe is inserted into heating water tank by the through-hole that measurement plate is equipped with, heater is equipped in the heating water tank, the beneficial effects of the utility model are : temperature reading can be indicated in precision under ultralow temperature, while can be realized the long-range monitoring of temperature measurement, meet remote temperature data transmission.
Description
Technical field
The invention belongs to temperature test instrument technical field more particularly to a kind of high-precision ultralow temperature temperature monitors.
Background technique
Bimetallic thermometer is a kind of on-site test instrument for measuring medium and low temperature.Various production processes can directly be measured
In -80 DEG C -+500 DEG C within the scope of liquid vapour and gas medium temperature.The industrial main element of bimetallic thermometer is one
It is a to be forced together the multilayered metal film of composition with two or more metal film stacks, it is swollen when temperature changes using two kinds of different metals
The different principle work of swollen degree.When the expanded by heating of one end, pointer rotation is driven, work instrument just shows that thermoelectrical potential is answered
Temperature value.
For some in ultralow temperature operation bimetallic thermometer, in order to improve the accuracy of gauge pointer, often in double gold
Belong to and fill instrument oil in instrument board, but still the temperature for being in some severe cold areas is lower than or the freezing point of critical instrument board, leads
Instrument oil failure in actual use, the inaccurate situation of measurement accuracy are caused, and is needed when some ultralow temperature operations continuous
Continuous measurement processing temperature, it is time-consuming and laborious according to artificial reading measurement, and measurement accuracy is inaccurate.
Summary of the invention
In view of the above deficiencies, the present invention provides a kind of high-precision ultralow temperature temperature monitors, can be smart under ultralow temperature
Degree instruction temperature reading, while can be realized the long-range monitoring of temperature measurement, meet remote temperature data transmission, improves and survey
Measure accuracy.
The present invention is achieved by the following technical solutions: a kind of high-precision ultralow temperature temperature monitor, including meter housing,
The meter housing lower end is equipped with protection pipe, is equipped with bimetallic temperature sensing element, the bimetallic temperature sensing element inside the protection pipe
Inside is equipped with thermocouple, and the inside of the meter housing is equipped with accommodating chamber, is equipped with measurement plate, pointer and pointer in the accommodating chamber
Axis, and pointer is located above measurement plate, pointer is installed in one end of needle pivot, and the other end passes through measurement plate connection bimetallic temperature-sensitive member
Part is additionally provided with heating water tank, battery, temperature divertor and processor, the measurement below measurement plate in the accommodating chamber
Plate is equipped with one group of heat conducting pipe along measurement plate edge distribution, and the end of the heat conducting pipe is inserted by the through-hole that measurement plate is equipped with
Enter in heating water tank, heater, the bimetallic temperature sensing element and thermocouple and temperature divertor are equipped in the heating water tank
It is electrically connected, the temperature divertor and processor are electrically connected, and communication module is equipped in the processor.
As a preferred technical solution of the present invention, the outer wall of the protection pipe is equipped with attachment device, the connection
Device outer circle is equipped with thread groove.
As a preferred technical solution of the present invention, the heater, temperature divertor, processor are electric with battery
Property connection.
As a preferred technical solution of the present invention, the heat conducting pipe and measurement plate junction are equipped with sealing ring.
As a preferred technical solution of the present invention, one layer of heat preservation cotton is equipped with outside the meter housing.
Compared with prior art, the invention has the benefit that
1, in the environment of ultralow temperature, the water in heating water tank is heated by heater, it, will after heat conducting pipe absorbs heat
Temperature is transmitted to the instrument oil between measurement plate and meter housing, and instrument oil heats up after absorbing heat, is then passed to meter housing,
Play the role of heating to meter housing, prevents the failure of instrument oil, the accuracy measured under low temperature environment is provided；
It 2, can be in precision under ultralow temperature in the way of the integrated measuring that bimetallic temperature sensing element and thermocouple combine
It indicates temperature reading, while can be realized the long-range monitoring of temperature measurement, meet remote temperature data transmission, improve measurement
Accuracy.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Reference signs list: 1, meter housing；2, protection pipe；3, bimetallic temperature sensing element；4, thermocouple；5, accommodating chamber；6,
Measurement plate；7, pointer；8, needle pivot；9, heating water tank；10, battery；11, temperature divertor；12, processor；13, thermally conductive
Pipe；14, heater；15, attachment device；16, sealing ring；17, heat-preservation cotton.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.It should be noted that word " preceding " used in the following description,
" rear ", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" refer respectively to direction or remote
Direction from geometric center of specific component.
A kind of high-precision ultralow temperature temperature monitor as shown in Figure 1, including meter housing 1,1 lower end of meter housing, which is equipped with, to be protected
Pillar 2 is equipped with bimetallic temperature sensing element 3 inside the protection pipe 2, is equipped with thermocouple 4 on the inside of the bimetallic temperature sensing element 3,
The inside of the meter housing 1 is equipped with accommodating chamber 5, and measurement plate 6, pointer 7 and needle pivot 8, and pointer 7 are equipped in the accommodating chamber 5
Above measurement plate 6, pointer 7 is installed in one end of needle pivot 8, and the other end passes through measurement plate 6 and connects bimetallic temperature sensing element 3,
The lower section of measurement plate 6 is additionally provided with heating water tank 9, battery 10, temperature divertor 11 and processor 12, institute in the accommodating chamber 5
Measurement plate 6 is stated equipped with one group of heat conducting pipe 13 along 6 edge distribution of measurement plate, the end of the heat conducting pipe 13 passes through measurement plate 6
In the through-hole insertion heating water tank 9 being equipped with, heater 14,3 He of bimetallic temperature sensing element are equipped in the heating water tank 9
Thermocouple 4 and temperature divertor 11 are electrically connected, and the temperature divertor 11 is electrically connected with processor 12, the processor 12
It is interior to be equipped with communication module.
As a kind of embodiment of the invention, the outer wall of the protection pipe 2 is equipped with attachment device 15, the attachment device
15 outer circles are equipped with thread groove, by the bottom end insertion testee of protection pipe 2 when measurement, utilize the screw thread in attachment device 15
Slot is fixedly connected on testee.
As a kind of embodiment of the invention, the heater 14, temperature divertor 11, processor 12 with battery 10
It is electrically connected, by battery 10 be heater 14, temperature inversion device 11, processor 12 provide power supply, and wherein battery 10 can
For rechargeable type lithium battery, prevent battery from frequently replacing and installing.
As a kind of embodiment of the invention, the heat conducting pipe 13 and 6 junction of measurement plate are equipped with sealing ring 16, provide survey
The closure of inner cavity between template 6 and meter housing 1, prevents leaking for instrument oil therein.
As a kind of embodiment of the invention, it is equipped with one layer of heat preservation cotton 17 outside the meter housing 1, improves meter housing 1 and protects
Temp effect reduces the outer scattered speed of heat.
The present invention is consolidated in use, by the bottom end insertion testee of protection pipe 2 using the thread groove in attachment device 15
Surely it is connected on testee, drives pointer 7 to rotate by needle pivot 8 under the action of bimetallic temperature sensing element 3, instruction measurement
Temperature, while bimetallic temperature sensing element 3 and thermocouple 4 detect temperature information, the temperature information that temperature divertor 11 will test
It is converted into electric signal and passes to processor 12, wherein processor 12 is 51 series monolithics, and processor 12 analyzes data
Afterwards, by communication module, temperature information is transmitted to remote monitoring platform by radio, realizes the long-range monitoring of temperature,
In the environment of ultralow temperature, heater 14 can heat the water in heating water tank 9 after being powered, and the heat conducting pipe 13 in heating water tank 9 is inhaled
It after receiving heat, communicates the temperature in the inner cavity between measurement plate 6 and meter housing 1, instrument oil is filled in inner cavity, instrument oil is inhaled
It heats up after receiving heat, is then passed to entire meter housing 1, play the role of heating to meter housing 1, provide and measured under low temperature environment
Accuracy.
Finally, it should be noted that being not intended to restrict the invention the foregoing is merely preferred embodiment of the invention, to the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, for those skilled in the art, still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in guarantor of the invention
Within the scope of shield.
Claims (5)
1. a kind of high-precision ultralow temperature temperature monitor, it is characterised in that: including meter housing, the meter housing lower end is equipped with protection
Pipe, the protection pipe inside are equipped with bimetallic temperature sensing element, are equipped with thermocouple, the instrument on the inside of the bimetallic temperature sensing element
The inside of shell is equipped with accommodating chamber, measurement plate, pointer and needle pivot is equipped in the accommodating chamber, and pointer is located above measurement plate,
Pointer is installed in one end of needle pivot, and the other end passes through measurement plate and connects bimetallic temperature sensing element, measurement plate in the accommodating chamber
Lower section is additionally provided with heating water tank, battery, temperature divertor and processor, and the measurement plate is equipped with one group along measurement plate edge
The end of the heat conducting pipe of distribution, the heat conducting pipe is inserted into heating water tank by the through-hole that measurement plate is equipped with, the heating water
It is equipped with heater, the bimetallic temperature sensing element and thermocouple in case and temperature divertor is electrically connected, the temperature divertor
It is electrically connected with processor, communication module is equipped in the processor.
2. high-precision ultralow temperature temperature monitor according to claim 1, it is characterised in that: the outer wall of the protection pipe
It is equipped with attachment device, the attachment device outer circle is equipped with thread groove.
3. high-precision ultralow temperature temperature monitor according to claim 1, it is characterised in that: the heater, temperature
Converter, processor are electrically connected with battery.
4. high-precision ultralow temperature temperature monitor according to claim 1, it is characterised in that: the heat conducting pipe and measurement
Plate junction is equipped with sealing ring.
5. high-precision ultralow temperature temperature monitor according to claim 1, it is characterised in that: set outside the meter housing
There is one layer of heat preservation cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920138762.6U CN209416517U (en) | 2019-01-28 | 2019-01-28 | A kind of high-precision ultralow temperature temperature monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920138762.6U CN209416517U (en) | 2019-01-28 | 2019-01-28 | A kind of high-precision ultralow temperature temperature monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209416517U true CN209416517U (en) | 2019-09-20 |
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ID=67944643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920138762.6U Active CN209416517U (en) | 2019-01-28 | 2019-01-28 | A kind of high-precision ultralow temperature temperature monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209416517U (en) |
-
2019
- 2019-01-28 CN CN201920138762.6U patent/CN209416517U/en active Active
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