CN106441606A - Hygiene-grade corrosion-resistant temperature sensor - Google Patents
Hygiene-grade corrosion-resistant temperature sensor Download PDFInfo
- Publication number
- CN106441606A CN106441606A CN201610938288.6A CN201610938288A CN106441606A CN 106441606 A CN106441606 A CN 106441606A CN 201610938288 A CN201610938288 A CN 201610938288A CN 106441606 A CN106441606 A CN 106441606A
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- Prior art keywords
- temperature sensor
- output
- probe body
- unit
- sanitation
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- 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.)
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Classifications
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- 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
- G01K1/10—Protective devices, e.g. casings for preventing chemical attack
-
- 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
- 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
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/18—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K2219/00—Thermometers with dedicated analog to digital converters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a hygiene-grade corrosion-resistant temperature sensor. The hygiene-grade corrosion-resistant temperature sensor comprises an upper cover, a shell, a probe, a circuit part and a plastic part used for fixing the circuit part, wherein the upper cover and the probe are in sealing connection with the upper end and the lower end of the shell respectively; interiors of the upper cover, the probe and the shell form a cavity for accommodating the circuit part and the plastic part; the probe comprises a digital integrated chip, a probe main body and an adapter; the external surface of the adapter is a smooth surface; two clamping grooves are formed in the top end of the probe main body; a sealing ring and a sealing pad are successively arranged in each of the upper clamping groove and the lower clamping groove, so that waterproof, dustproof and sealing effects can be achieved; two symmetric wrench clamping grooves are formed in two sides of the probe main body. The corrosion-resistant all-metal temperature sensor also has various output manners and protection functions, is capable of measuring liquid and gas, is applied to the high-temperature and high-corrosion environment, and can be applied to the field of the hygiene industry.
Description
Technical field
The present invention relates to a kind of sanitation-grade corrosion resistant type temperature sensor.
Background technology
Temperature sensor is used in temperature monitoring system, when temperature reaches the threshold values of setting, produces detection signal, is used for
Protection interlock protection system., as sensing element, circuit is complicated for traditional conventional thermal-sensitive electric resistance device of temperature sensor great majority,
Verification trouble, poor reliability, error is big, precision is low, high cost;Have in the commercial Application of particular/special requirement it is desirable to signal at some
Time delay exports for a period of time again, and the length of time delay has different requirements, and traditional sensor then cannot meet these requirements.Mesh
Temperature sensor on front market, great majority are based on overall embedding, and complex process, high cost, maintenance are inconvenient, can guarantee that
Sealing and water proofing property, but cannot acid and alkali-resistance, corrosion it is impossible to use in high temperature and high pressure environment, application is limited;And,
Product using impersonality in operational design, can only observe from front, and the way of output is single by dispaly state and output indication,
Complex operation.
Traditional temperature sensor probe nearly all adopts screw thread to install, it cannot be guaranteed that installed surface is in plane after installation,
Easily shelter evil people and countenance evil practices at some on-plane surfaces it is impossible to water proof and dust proof is antifouling, cannot apply in some special industries, such as medical treatment, food
Product, health field;Meanwhile, existing temperature sensor probe cannot be applied to high temperature, high pressure, the environment of deep-etching.
Content of the invention
The shortcoming of prior art in view of the above, present invention aim at provide a kind of sanitation-grade corrosion resistant type temperature to pass
Sensor, it is adaptable in high temperature, high pressure, the environment of deep-etching, be not limited to general industrial circle, can meet health industry neck
Domain.
For achieving the above object and other related purposes, the present invention provides a kind of sanitation-grade corrosion resistant type temperature sensor,
Including on lid, housing, probe, circuit part, and for permanent circuit part plastic parts;Described upper lid is close respectively with probe
Envelope is connected to the upper and lower side of described housing, and three is internally formed the cavity accommodating described circuit part and plastic parts;Described electricity
Road part includes:Temperature detecting unit, external control unit outside, display unit, data processing unit;Temperature detecting unit will detect
Data output after processing is shown current output to display unit to data processing unit, data processing unit by signal transmission
Data and state;The input of data processing unit connects described external control unit outside, by the button behaviour of external control unit outside
Make to realize learning and the selection of menu function, setting;Described upper lid surface becomes inclined-plane, is provided with for showing current temperature number
The display unit of value and output state and the button for realizing the selection that study is with menu function, setting, described probe includes
Digital integration chip, probe body and adapter, the outer surface of adapter is shiny surface, and the top of described probe body is provided with two
Circle draw-in groove, is disposed with sealing ring, sealing gasket in upper and lower two circle draw-in grooves, can play the sealing effectiveness of water proof and dust proof, described
The both sides of probe body are provided with two symmetrical spanner draw-in grooves.
Preferably, the top of described probe body is provided with two circle draw-in grooves, be disposed with upper and lower two circle draw-in grooves sealing ring,
Sealing gasket, can play the sealing effectiveness of water proof and dust proof, and the both sides of described probe body are provided with two symmetrical spanner draw-in grooves.
Preferably, the middle part of described probe body is provided with one section of screw thread, and the bottom of described probe body is provided with long cylinder, institute
State screw thread and described long cylinder to be formed in one structure, described probe body is threadeded by this with described adapter, described
Probe body and described adapter junction are provided with sealing ring and sealing gasket, and described screw thread and described long cylinder junction are provided with use
In the step placing described sealing ring, described screw thread is provided with for placing the recessed of described sealing gasket with described probe body junction
Groove.
Preferably, described data processing unit includes:Filter circuit, display driver element, single-chip microcomputer, D/A modular converter,
Analog output, output switch parameter, output protection unit;Temperature detecting unit will transmit after filtered for detection signal processing of circuit
To single-chip microcomputer, single-chip microcomputer controls according to signal and button menu function, outputs signal to display driver element by serial communication,
Display driver element outputs signal to display unit, shows current output data and shape by charactron and output indicator
State;Outfan connecting valve amount NPN of single-chip microcomputer and PNP output, then through output protection unit, signal is fed back to single-chip microcomputer, single
Piece machine determines whether the normal output signal again of output;The outfan of single-chip microcomputer connects analog quantity voltage also by D/A converting unit
With current signal output;The input of single-chip microcomputer is also associated with external control unit outside, realizes study and dish by button operation
Unifunctional selection, setting.
Preferably, described display driver element is provided with display content rotary module, by by key control, display content rotates
Display content on display unit can be rotated 180 ° by module, and the display direction making display content can square reverse exchange.
Preferably, described housing is in cylinder, and the outer wall of case top is provided with 2 draw-in grooves, above one place sealing
Circle, below one placement sealing gasket, housing with upper lid fixed by interference fit, described inner walls are provided with a circular hole, justify
Hole aperture≤1.5mm, circular hole is used for earth lead, strengthens product capacity of resisting disturbance.
Preferably, described plastic parts is in semiellipse shape, is provided with bayonet socket, for permanent circuit portion on semielliptical inwall
Point, plastic parts plays antivibration, shielding, jamproof effect.
Preferably, described digital integration chip is using the digital integrated electronic circuit based on PT1000 or LM73 temperature sensor
Chip.
Preferably, described adapter is welding adapter or chuck adapter.Adapter can also be the suitable of other forms
Orchestration.
As described above, a kind of sanitation-grade corrosion resistant type temperature sensor that the present invention provides, have the advantages that:This
Invention made using noncorroding metal material, anti-corrosion durable, reliability is high, strong antijamming capability;Using interference fit not embedding
Structure, up to IP68, IP69K, structure is simple, small volume, and installation, maintenance is convenient, is widely used for degree of protection;Using plastic parts
Structure, enhances the antivibration of product, shielding, capacity of resisting disturbance;Using earth lead mode, the internal excess charge of release circuit and dry
Disturb, strengthen product capacity of resisting disturbance;By software optimization, there is hysteresis, window function and offset calibration function;Using 7
Segment numeral pipe shows, can arrange forward and reverse display by button, facilitates field observation and monitoring;Meanwhile, this corrosion resistant type is complete
Metallic temperature sensor also has multiple way of outputs and defencive function, the feature that liquids and gases can be measured, and fits
For, in high temperature, the environment of deep-etching, meeting health industry field, adapter has a various ways, probe from different
Adapter combination can meet the installation requirements of different operating modes.
Brief description
Fig. 1 passes the explosive view of corrosion resistant type temperature sensor for sanitation-grade.
Fig. 2 passes the assembling figure of corrosion resistant type temperature sensor for sanitation-grade.
1. cover on;2. housing;3. pop one's head in;101. button;102. silica gel pad;103. display covers;104. pressing pieces;105.
Display circuit;106. screw;201. circuit part;202. plastic parts;203. sealing ring;204. sealing gasket;205. connector;
301. sealing ring;302. sealing gasket;303. temperature detecting unit;304. sealing gasket;305. sealing ring;306. adapter;308.
Long cylinder;309. screw thread;41. spanner draw-in grooves.
Specific embodiment
Hereinafter embodiments of the present invention are illustrated by particular specific embodiment, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
Refer to Fig. 1 to Fig. 2.It should be clear that structure depicted in this specification institute accompanying drawings, ratio, size etc., all only in order to
Content disclosed in cooperation description, so that those skilled in the art understands and reads, being not limited to the present invention can be real
The qualificationss applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
Whole, under not affecting present invention effect that can be generated by and the purpose that can reach, all should still fall in disclosed skill
In the range of art content obtains and can cover.Meanwhile, in this specification cited as " on ", D score, "left", "right", " middle " and
The term of " one " etc., is merely convenient to understanding of narration, and is not used to limit the enforceable scope of the present invention, its relativeness
It is altered or modified, under no essence change technology contents, when being also considered as the enforceable category of the present invention.
As depicted in figs. 1 and 2, the present invention provide a kind of sanitation-grade corrosion resistant type temperature sensor, including on lid 1, housing
2nd, probe 3, circuit part and the plastic parts 202 for permanent circuit part;Described upper lid 1 is tightly connected respectively with probe 3
In the upper and lower side of described housing 2, three is internally formed the cavity accommodating described circuit part and plastic parts 202;Described circuit
Part includes:Temperature detecting unit, external control unit outside, display unit, data processing unit;Temperature detecting unit will detect letter
Number it is transferred to data processing unit, the data output after processing is shown current output number to display unit by data processing unit
According to and state;The input of data processing unit connects described external control unit outside, by the button operation of external control unit outside
To realize selection, the setting of study and menu function;Described upper lid surface becomes inclined-plane, is provided with for showing current Temperature numerical
And output state display unit and be used for realize learn and menu function selection, set button, described probe 3 include count
Word integrated chip, probe body and adapter 306, the outer surface of adapter 306 is shiny surface, and the top of described probe body sets
There are two circle draw-in grooves 42, be disposed with sealing ring 301, sealing gasket 302 in upper and lower two circle draw-in grooves 42, water proof and dust proof can be played
Sealing effectiveness, the both sides of described probe body are provided with two symmetrical spanner draw-in grooves 41.
In the present embodiment, the middle part of described probe body is provided with one section of screw thread 309, and the bottom of described probe body is provided with
Long cylinder 308, described screw thread 309 and described long cylinder 308 are formed in one structure, described probe body and described adapter
306 are connected by this screw thread 309, and described probe body and described adapter 306 junction are provided with sealing ring 305 and sealing gasket
304, described screw thread 309 and described long cylinder 308 junction are provided with the groove for placing described sealing ring 305, described screw thread
309 are provided with the step for placing described sealing gasket 304 with described probe body junction.
In the present embodiment, described data processing unit includes:Filter circuit, display driver element, single-chip microcomputer, D/A turn
Die change block, analog output, output switch parameter, output protection unit;Temperature detecting unit is by filtered for detection signal circuit
It is transferred to single-chip microcomputer, single-chip microcomputer controls according to signal and button menu function, outputs signal to display by serial communication after reason
Driver element, display driver element outputs signal to display unit, shows current output by charactron and output indicator
Data and state;Outfan connecting valve amount NPN of single-chip microcomputer and PNP output, then through output protection unit, signal is fed back to
Single-chip microcomputer, single-chip microcomputer determines whether the normal output signal again of output;The outfan of single-chip microcomputer is also by D/A converting unit connection mode
Analog quantity voltage and current signal output;The input of single-chip microcomputer is also associated with external control unit outside, is realized by button operation
The selection of study and menu function, setting.
In the present embodiment, described display driver element is provided with display content rotary module, by by key control, display is interior
Hold rotary module and the display content on display unit can be rotated 180 °, the display direction making display content can be square reverse
Exchange.
In the present embodiment, described housing 2 is in cylinder, and the outer wall at housing 2 top is provided with 2 draw-in grooves, above one
Place sealing ring 203, below one placement sealing gasket 204, housing 2 with upper cover fixed by interference fit, described housing 2 inwall
It is provided with a circular hole, circular hole aperture≤1.5mm, circular hole is used for earth lead, strengthen product capacity of resisting disturbance.
In the present embodiment, described plastic parts 202 is in semiellipse shape, is provided with bayonet socket on semielliptical inwall, for solid
Determine circuit part, plastic parts 202 plays antivibration, shielding, jamproof effect.
In the present embodiment, described digital integration chip is using the set of digits based on PT1000 or LM73 temperature sensor
Become circuit chip.
In the present embodiment, described adapter 306 is welding adapter or chuck adapter.Adapter 306 can also be
The adapter of other forms.
This sensor, be applied to high temperature, the environment of deep-etching, is not limited to general industrial circle, due to adapter
306 and probe body connect after no any space, and the long cylinder of adapter 306 and lower section is all smooth surface, non-threaded
Groove spills, and easily cleans, and is not in cleaning dead angle, will not shelter evil people and countenance evil practices, reach sanitation-grade standard, can meet health row
Industry field, adapter has various ways, and probe can meet the installation requirements of different operating modes from the combination of different adapters.
In sum, the present invention provide a kind of sanitation-grade corrosion resistant type temperature sensor, anti-corrosion durable, reliability is high, anti-
Interference performance is strong;Using interference fit not embedding structure, up to IP68, IP69K, structure is simple, small volume, peace for degree of protection
Dress, easy to maintenance, be widely used;Using plastic parts structure, enhance the antivibration of product, shielding, capacity of resisting disturbance;Using ground connection
Line mode, the internal excess charge of release circuit and interference, strengthen product capacity of resisting disturbance;By software optimization, there is delayed work(
Energy, window function and offset calibration function;Shown using 7 segment numeral pipes, forward and reverse display can be arranged by button, convenient existing
Field is observed and is monitored;Meanwhile, this corrosion resistant type all-metal temperature sensor also has multiple way of outputs and defencive function, permissible
The feature that liquids and gases are measured, it is adaptable in high temperature, the environment of deep-etching, can meet health industry field, is fitted
Orchestration has various ways, and probe can meet the installation requirements of different operating modes from the combination of different adapters.So, the present invention
Effectively overcome various shortcoming of the prior art and have high industrial utilization.
Above-described embodiment only principle of the illustrative present invention and its effect, not for the restriction present invention.Any ripe
The personage knowing this technology all can carry out modifications and changes without prejudice under the spirit and the scope of the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete with institute under technological thought without departing from disclosed spirit such as
All equivalent modifications becoming or change, must be covered by the claim of the present invention.
Claims (9)
1. a kind of sanitation-grade corrosion resistant type temperature sensor it is characterised in that:Including on lid, housing, probe, circuit part, with
And the plastic parts for permanent circuit part;Described upper lid and probe are sealedly attached to the upper and lower side of described housing, three respectively
Be internally formed the cavity accommodating described circuit part and plastic parts;Described circuit part includes:Temperature detecting unit, outside control
Unit processed, display unit, data processing unit;Detection signal is transferred to data processing unit by temperature detecting unit, at data
Data output after processing is shown current output data and state to display unit by reason unit;The input of data processing unit
End connect described external control unit outside, realized by the button operation of external control unit outside learn and menu function selection,
Set;Described upper lid surface becomes inclined-plane, be provided with display unit for showing current Temperature numerical and output state and for
Realize the selection that study is with menu function, the button of setting, described probe includes digital integration chip, probe body and adaptation
Device, the outer surface of adapter is shiny surface, and the top of described probe body is provided with two circle draw-in grooves, sets successively in upper and lower two circle draw-in grooves
Be equipped with sealing ring, sealing gasket, can play the sealing effectiveness of water proof and dust proof, the both sides of described probe body be provided with two symmetrical
Spanner draw-in groove.
2. a kind of sanitation-grade corrosion resistant type temperature sensor according to claim 1 it is characterised in that:Described probe body
Top be provided with two circle draw-in grooves, be disposed with sealing ring, sealing gasket in upper and lower two circle draw-in grooves, the close of water proof and dust proof can be played
Envelope effect, the both sides of described probe body are provided with two symmetrical spanner draw-in grooves.
3. a kind of sanitation-grade corrosion resistant type temperature sensor according to claim 2 it is characterised in that:Described probe body
Middle part be provided with one section of screw thread, the bottom of described probe body is provided with long cylinder, and described screw thread is integrated into described long cylinder
Type structure, described probe body is threadeded by this with described adapter, described probe body and described adapter junction
It is provided with sealing ring and sealing gasket, described screw thread and described long cylinder junction are provided with the step for placing described sealing ring, institute
State screw thread and be provided with the groove for placing described sealing gasket with described probe body junction.
4. a kind of sanitation-grade corrosion resistant type temperature sensor according to claim 3 it is characterised in that:Described data processing
Unit includes:Filter circuit, display driver element, single-chip microcomputer, D/A modular converter, analog output, output switch parameter, output
Protection location;Temperature detecting unit is transferred to single-chip microcomputer by after filtered for detection signal processing of circuit, single-chip microcomputer according to signal and
Button menu function controls, and outputs signal to display driver element by serial communication, display driver element outputs signal to aobvious
Show unit, current output data and state are shown by charactron and output indicator;The outfan connecting valve of single-chip microcomputer
Amount NPN and PNP output, then through output protection unit, signal is fed back to single-chip microcomputer, single-chip microcomputer determines whether that output is normally defeated again
Go out signal;The outfan of single-chip microcomputer connects analog quantity voltage and current signal output also by D/A converting unit;Single-chip microcomputer defeated
Enter end and be also associated with external control unit outside, realize by button operation learning and the selection of menu function, setting.
5. a kind of sanitation-grade corrosion resistant type temperature sensor according to claim 4 it is characterised in that:Described display drives
Unit is provided with display content rotary module, by by key control, display content rotary module can be by the display on display unit
Content rotates 180 °, and the display direction making display content can square reverse exchange.
6. a kind of sanitation-grade corrosion resistant type temperature sensor according to claim 5 it is characterised in that:Described housing is in circle
Cylinder, the outer wall of case top is provided with 2 draw-in grooves, above one placement sealing ring, below one placement sealing gasket, housing with
Upper lid is fixed by interference fit, and described inner walls are provided with a circular hole, described circular hole aperture≤1.5mm.
7. a kind of sanitation-grade corrosion resistant type temperature sensor according to claim 6 it is characterised in that:Described plastic parts is in
Semiellipse shape, is provided with bayonet socket on semielliptical inwall.
8. a kind of sanitation-grade corrosion resistant type temperature sensor according to claim 7 it is characterised in that:Described digital integration
Chip is using the digital integrated circuit chip based on PT1000 or LM73 temperature sensor.
9. a kind of sanitation-grade corrosion resistant type temperature sensor according to any one claim of claim 1 to 8, its feature
It is:Described adapter is welding adapter or chuck adapter.
Priority Applications (1)
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CN201610938288.6A CN106441606A (en) | 2016-10-25 | 2016-10-25 | Hygiene-grade corrosion-resistant temperature sensor |
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CN201610938288.6A CN106441606A (en) | 2016-10-25 | 2016-10-25 | Hygiene-grade corrosion-resistant temperature sensor |
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CN106441606A true CN106441606A (en) | 2017-02-22 |
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CN201610938288.6A Pending CN106441606A (en) | 2016-10-25 | 2016-10-25 | Hygiene-grade corrosion-resistant temperature sensor |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109982526A (en) * | 2017-12-28 | 2019-07-05 | 天津通路达科技有限公司 | A kind of electric disaster hidden-trouble detection controller housing |
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Application publication date: 20170222 |