CN207964116U - A kind of photoelectric temperature sensor - Google Patents
A kind of photoelectric temperature sensor Download PDFInfo
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- CN207964116U CN207964116U CN201820217889.2U CN201820217889U CN207964116U CN 207964116 U CN207964116 U CN 207964116U CN 201820217889 U CN201820217889 U CN 201820217889U CN 207964116 U CN207964116 U CN 207964116U
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Abstract
The utility model discloses a kind of photoelectric temperature sensors, including sensor outer housing, the sensor outer housing includes sequentially connected locking nut, the first shell, instlated tubular, second housing and rear cover, it is provided with lock sleeve in the cavity that locking nut and the first shell are formed, lock sleeve is used to lock the temperature-sensing pipe of internal setting, second housing internal cavity is provided with temperature detection wiring board, and temperature detection wiring board includes photoelectric conversion module and power module；Rear cover end set has the liquid crystal display for connecting the temperature detection wiring board.Using built-in power module, it is not necessarily to circumscripted power line, the integral type of temperature sensor is ensure that, facilitates installation and maintenance.And with the high adaptability and high anti-jamming capacity to environment, being not required to ancillary equipment can measure；Coefficient of blackness in measurement process not by testee is influenced, and thermometric accuracy is high；And the response time is fast, temperature resolution is high.
Description
Technical field
The utility model is related to temperature sensor technology field more particularly to a kind of photoelectric temperature sensors.
Background technology
It all be unable to do without high-temperature service, and the usually long-term continuous operation of these high-temperature services in many productions in industry, leads
Its operating temperature is caused to exceed load, and the industries pair such as industrial production is especially smelted, the heat treatment of power generation, Metal Materials At High Temperature
The requirement of temperature process parameter is very stringent, and this requires be equipped with the temperature of function admirable, job stability height, strong antijamming capability
Detect sensing equipment.
Photoelectric temperature sensor is using black body radiation as theoretical foundation, is main with contact temperature-sensitive and non-contact measurement
The novel photoelectric temperature sensor of feature.Currently, mainly use thermocouple in field of pyrometry, and thermocouple, it is especially high
The price for warming galvanic couple is relatively high, and investment is big, and disposable, inertia time is long, and needs compensating wire, the use to product
Many inconvenience are brought with maintenance.And existing sensor is limited by temperature-measuring range or precision, cannot meet different thermal fields to be measured
Needs, user must be directed to thermometric and need to be equipped with many temperature sensing devices, select trouble and with high costs.
Utility model content
The purpose of the utility model is to overcome the above-mentioned deficiencies of the prior art, provide a kind of photoelectric temperature sensor, with
The price that solves existing photoelectric sensor is high, height is consumed, is not durable, service life is short, measurement is insensitive and measurement range by
The defect of limit.
In order to achieve the above object, the utility model provides following technical solution：
A kind of photoelectric temperature sensor, including sensor outer housing, the sensor outer housing include sequentially connected locking screw
It is provided with lock in the cavity that mother, the first shell, instlated tubular, second housing and rear cover, the locking nut and the first shell are formed
Fixed, the lock sleeve is used to lock the temperature-sensing pipe of internal setting, and the second housing internal cavity is provided with temperature detection circuit
Plate, the temperature detection wiring board includes photoelectric conversion module and power module；At the locking nut and the first cage connection
It is interior to be equipped with high-temperature resistant seal ring；The rear cover end set has the liquid crystal display for connecting the temperature detection wiring board, described
Rear cover is provided with protective glass outside liquid crystal display.
Wherein, the liquid crystal display uses backlight type LCD screen, be additionally provided on liquid crystal display panel operation by
Key.
The protective glass is can open cap design.
The power module is detachable charge power supply.
The both ends of the lock sleeve are slips structure, and the first end of lock sleeve is open end close to locking nut, described
First end is provided with outside boss, and the slips structure that cooperation first end is provided on the inside of the locking nut is locked
The first pre- locking mechanism；The second end of lock sleeve is provided with inside step surface, and the step surface abuts the bottom of temperature-sensing pipe
End surface is positioned, and it is pre- that coordinate the slips structure of the second end to be locked second is provided on the inside of first shell
Locking mechanism.
The first pre- locking mechanism and the second pre- locking mechanism are using rounding corner structure, the structure of falling 45° angle or built-in
Lock coil structures.
Internal thread is arranged in the locking end of the locking nut, and external screw thread is arranged in the first end of first shell, described
The locking end of locking nut and the first end of the first shell are connected through a screw thread.
The second end of first shell and the first end of second housing are respectively provided with internal thread, the instlated tubular
It is provided at both ends with external screw thread, first shell, second housing are threadedly coupled with instlated tubular.
The instlated tubular includes inside tube and the thermal insulation layer that is sleeved on outside inside tube, the inside tube and the second of the first shell
The first end integral type of end and second housing connects.
Instlated tubular first end is provided with magnifying glass in first shell, close to instlated tubular in the second housing
The second end is provided with focal aperture.
Compared with prior art, photoelectric temperature sensor provided by the utility model, has the advantages that：
1) the photoelectric temperature sensor built-in power module of the utility model, and be detachable charge power supply, without outer
Power cord is connect, ensure that the integral type of temperature sensor, facilitates installation and maintenance.Backlight type LCD liquid crystal displays are used simultaneously
Screen and operation button.Facilitate the operation and control of field temperature sensor.And with the high adaptability and highly resistance to environment
Interference performance, being not required to ancillary equipment can measure；Coefficient of blackness in measurement process not by testee is influenced, thermometric
Accuracy is high；And the response time is fast, temperature resolution is high.
2) photoelectric temperature sensor provided by the utility model uses double end slips locking mechanism, and the both ends of lock sleeve are simultaneously
It is tightened to center and holds fixed temperature-sensing pipe formation locking tightly, protected by the effective locking progress for keeping lock sleeve simultaneously and ratio
The front and back locking stress of temperature-sensing pipe is identical during having demonstrate,proved locking, and level and the center for further ensuring temperature-sensing pipe are constant, make sense
Even if the center of Wen Guanyu instlated tubulars, which is located at same horizontal line light route, keeps horizontal, to ensure that light in temperature-sensing pipe
The accuracy of refracted light ensure that the detection basis of photoelectric temperature sensor, increase the sensitive and accuracy of measurement.
Description of the drawings
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the utility model
Other features, objects and advantages will become more apparent upon：
Fig. 1 is the overall structure diagram of the utility model embodiment photoelectric temperature sensor；
Fig. 2 is the lock sleeve expansion cross-sectional structure figure of the utility model embodiment photoelectric temperature sensor；
Fig. 3 is the lock sleeve cross-sectional structure figure of the utility model embodiment photoelectric temperature sensor；
Fig. 4 is the lock sleeve the second end slips structure structure chart of the utility model embodiment photoelectric temperature sensor.
In the accompanying drawings, identical component uses identical reference numeral.Attached drawing is not drawn according to actual ratio.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.Therefore, below to attached
The detailed description of the embodiments of the present invention provided in figure is not intended to limit claimed the scope of the utility model,
But it is merely representative of the selected embodiment of the utility model.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without creative efforts belongs to the model of the utility model protection
It encloses.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability
Domain those of ordinary skill can be implemented as basis, will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of this technical solution is not present, also not within the protection domain of the requires of the utility model.
The utility model is further described with exemplary embodiment below in conjunction with the accompanying drawings, wherein if it is known that technology
Detailed description for showing that it is unnecessary that the utility model is characterized in, then omit it.
Fig. 1 is the overall structure diagram of the utility model embodiment photoelectric temperature sensor.Photoelectric temperature sensor packet
Sensor outer housing is included, sensor outer housing includes sequentially connected locking nut 1, the first shell 3, instlated tubular 4,5 and of second housing
Lock sleeve 2 is provided in the cavity that rear cover 6, locking nut 1 and the first shell 3 are formed, lock sleeve 2 is used to lock internal setting
Temperature-sensing pipe (not shown), 5 internal cavity of second housing are provided with temperature detection wiring board 30.
Temperature detection wiring board 30 includes photoelectric conversion module and power module；6 end set of rear cover has connection temperature inspection
The liquid crystal display 61 of wiring board 30 is surveyed, rear cover 6 is provided with protective glass 62 outside liquid crystal display 61.
In the present embodiment, liquid crystal display uses backlight type LCD screen, be additionally provided on liquid crystal display panel operation by
Key.Facilitate the operation and control of field temperature sensor.
Preferably, protective glass be can open cap design, when need carry out case operation when protective glass can be opened, into
One step facilitates the operation and control of field temperature sensor.Preferably, rear cover is provided with metal shell in protective glass side, protects
Fixation and the resistance to practicality of rear cover are demonstrate,proved.
In the present embodiment, power module is detachable charge power supply, is not necessarily to circumscripted power line, ensure that temperature sensor
Integral type, facilitate installation and maintenance.
Fig. 2 is the lock sleeve expansion cross-sectional structure figure of the utility model embodiment photoelectric temperature sensor；Fig. 3 is this reality
With the lock sleeve cross-sectional structure figure of new embodiment photoelectric temperature sensor.
The both ends of lock sleeve 2 are slips structure, and the first end 21 of lock sleeve 2 is open end close to locking nut 1, the
One end 21 is provided with outside boss, and the slips structure that 1 inside of locking nut is provided with cooperation first end 21 is locked
The first pre- locking mechanism 12；The second end 22 of lock sleeve 2 is provided with inside step surface, and step surface abuts the bottom of temperature-sensing pipe
End surface is positioned, and the slips structure that the inside of the first shell 3 is provided with the second end 22 for locking set 2 is locked
The second pre- locking mechanism 33.The both ends diameter of lock sleeve 2 is different, effectively avoids setup error.
Fig. 4 is the lock sleeve the second end slips structure structure chart of the utility model embodiment photoelectric temperature sensor.It is excellent
Selection of land referring to the slips structure at 2 both ends of Fig. 4 lock sleeves includes six card valves in the present embodiment.
Specifically, internal thread is arranged in the locking end 11 of locking nut 1, external screw thread is arranged in the first end 31 of the first shell 3,
The locking end 11 of locking nut 1 and the first end 31 of the first shell 3 are connected through a screw thread.
There is magnifying glass 10 close to 4 end set of instlated tubular in first shell 3 of the photoelectric temperature sensor of the present embodiment,
4 the other end of instlated tubular is being provided with focal aperture 20 in second housing 5.
Wherein, the first pre- locking mechanism 12 and the second pre- locking mechanism 33 can be used rounding corner structure, the structure of falling 45° angle or
Clamp ring structure built in person.In the present embodiment, the first pre- locking mechanism 12 and the second pre- locking mechanism 33 are all made of chamfering structure.
Slips knot is set by both ends for the lock sleeve 2 of locking positioning temperature-sensing pipe in the photoelectric sensor of the utility model
Temperature-sensing pipe is put by the open end of lock sleeve 2 in 2 internal cavity of lock sleeve by structure, then abuts the second end 22 of lock sleeve 2
Step surface positioning is fixed, then connect locking nut 1 and the first shell 3, connection be threaded into locking nut 1
During first shell 3, the chamfering structure 12 of 1 inside of locking nut contacts and compresses the card of the first end 21 of lock sleeve 2
Tile structure, while the chamfering structure 33 of 3 inside of the first shell compresses the slips structure of the second end 22 of lock sleeve 2, makes locking
The both ends of set 2 tighten the fixed temperature-sensing pipe of holding to center simultaneously and form locking, pass through the locking for effectively keeping lock sleeve simultaneously
The front and back locking stress of temperature-sensing pipe is identical during locking ensure that for progress and ratio, further ensure temperature-sensing pipe level and
Center is constant, even if making the center of temperature-sensing pipe and instlated tubular be located at same horizontal line light route holding level, to ensure that
The accuracy of light refracted light in temperature-sensing pipe ensure that the detection basis of photoelectric temperature sensor, increase the spirit of measurement
Quick and accuracy.
On the other hand auto-focusing is not necessarily to human intervention during making this implementation novel photoelectric temperature sensor use, introduces
Manually-operated error, ensure that measurement accuracy.
Wherein, the second end 32 of the first shell 3 and the first end 51 of second housing 5 are respectively provided with internal thread, heat-insulated
Pipe 4 is provided at both ends with external screw thread, and the first shell 3, second housing 5 are threadedly coupled with instlated tubular 4.Rear cover 6 and second housing 5
The second end is connected together.
In other embodiments, instlated tubular 4 includes inside tube and the insulating layer structure being sleeved on outside inside tube, inside tube and first
51 integral type of the first end connection of the second end 32 and second housing 5 of shell 3, increases the sealing performance of junction,
Further ensure the measurement accuracy of sensor.
Preferably, high-temperature resistant seal ring is equipped in 3 junction of locking nut 1 and the first shell.Preferably, locking nut 1
The junction of the other end and fire-proof plate is also equipped with high-temperature resistant seal ring.High-temperature resistant seal ring is resistant to 240 ° of high temperature and effectively keeps away
Exempt from dust to enter in sensor cavity.
The length of the photoelectric temperature sensor temperature-sensing pipe of the utility model embodiment is 700mm-1800 mm；Entire sensing
The overall diameter of device ranging from 16cm-25cm.Sensor exports the standard current signal of 4-20Ma, using RS485 interfaces.
The photoelectric temperature sensor temperature-measuring range of the utility model can need to adjust at 600 DEG C -1800 DEG C according to user
It determines temperature-measuring range, removes temperature-sensitive porcelain tube relative to ordinary sensors, sectional measures higher temperature section.Measure elementary error
In △ T≤%TL DEG C of ± (0.5-1.0).The effective wavelength range of light is 0.7 μm -1.1 μm in measurement；Environment temperature is 20
℃—80℃。
The photoelectric temperature sensor of the utility model has the high adaptability and high anti-jamming capacity to environment, is not required to auxiliary
Help equipment that can measure；Coefficient of blackness in measurement process not by testee is influenced, and thermometric accuracy is high；And it responds
Time is fast, and temperature resolution is high, becomes the ideal substitute products of thermocouple (especially noble-metal thermocouple).In ceramics, glass
The high temperature testing field such as glass, refractory material, high-temperature heat treatment is with good economic efficiency and social benefit.
The photoelectric temperature sensor of the utility model is indexed using unified, has interchangeability, easy to use, is inserted into thermometer hole
, need not be to light；Price is low, long lifespan, is not required to compensating wire；Small investment is consumed, temperature-sensitive porcelain tube is only needed to change.
It these are only the utility model preferred embodiment, be not used to limitation the utility model, it is all in the utility model
The modifications, equivalent substitutions and improvements etc. done within spirit and principle, be required to be included in the scope of protection of the utility model it
It is interior.
Claims (10)
1. a kind of photoelectric temperature sensor, which is characterized in that including sensor outer housing, the sensor outer housing includes being sequentially connected
Locking nut, the first shell, instlated tubular, second housing and rear cover, in the cavity that the locking nut and the first shell are formed
It is provided with lock sleeve, the lock sleeve is used to lock the temperature-sensing pipe of internal setting, and the second housing internal cavity is provided with temperature
Wiring board is detected, the temperature detection wiring board includes photoelectric conversion module and power module；Outside the locking nut and first
High-temperature resistant seal ring is equipped in shell junction；The rear cover end set has the liquid crystal display for connecting the temperature detection wiring board
Screen, the rear cover are provided with protective glass outside liquid crystal display.
2. photoelectric temperature sensor according to claim 1, which is characterized in that the liquid crystal display uses backlight type
LCD screen is additionally provided with operation button on liquid crystal display panel.
3. photoelectric temperature sensor according to claim 1, which is characterized in that the protective glass is can open cap design.
4. photoelectric temperature sensor according to claim 1, which is characterized in that the power module is detachable charging
Power supply.
5. photoelectric temperature sensor according to claim 1, which is characterized in that the both ends of the lock sleeve are slips knot
Structure, the first end of lock sleeve are open end close to locking nut, and the first end is provided with outside boss, the locking
The first pre- locking mechanism that the slips structure of cooperation first end is locked is provided on the inside of nut；The second end of lock sleeve
It is provided with inside step surface, the bottom end face that the step surface abuts temperature-sensing pipe is positioned, the inside of first shell
It is provided with the second pre- locking mechanism that the slips structure of cooperation the second end is locked.
6. photoelectric temperature sensor according to claim 5, which is characterized in that the first pre- locking mechanism and second is in advance
Locking mechanism uses rounding corner structure, the structure of falling 45° angle or built-in clamp ring structure.
7. photoelectric temperature sensor according to claim 1, which is characterized in that in the locking end setting of the locking nut
External screw thread, the first end of the locking end of the locking nut and the first shell is arranged in the first end of screw thread, first shell
Portion is connected through a screw thread.
8. photoelectric temperature sensor according to claim 1, which is characterized in that the second end of first shell and
The first end of second housing is respectively provided with internal thread, and the instlated tubular is provided at both ends with external screw thread, first shell, second
Shell is threadedly coupled with instlated tubular.
9. photoelectric temperature sensor according to claim 1, which is characterized in that the instlated tubular includes inside tube and is sleeved on
Thermal insulation layer outside inside tube, the inside tube connect with the second end of the first shell and the first end integral type of second housing
It connects.
10. photoelectric temperature sensor according to claim 1, which is characterized in that close to instlated tubular in first shell
First end is provided with magnifying glass, and close instlated tubular the second end is provided with focal aperture in the second housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820217889.2U CN207964116U (en) | 2018-02-07 | 2018-02-07 | A kind of photoelectric temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820217889.2U CN207964116U (en) | 2018-02-07 | 2018-02-07 | A kind of photoelectric temperature sensor |
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| Publication Number | Publication Date |
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| CN207964116U true CN207964116U (en) | 2018-10-12 |
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| CN201820217889.2U Active CN207964116U (en) | 2018-02-07 | 2018-02-07 | A kind of photoelectric temperature sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110231107A (en) * | 2019-04-02 | 2019-09-13 | 马鞍山市嘉逸科技工贸有限责任公司 | A kind of combined type temperature sensors of high precision |
-
2018
- 2018-02-07 CN CN201820217889.2U patent/CN207964116U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110231107A (en) * | 2019-04-02 | 2019-09-13 | 马鞍山市嘉逸科技工贸有限责任公司 | A kind of combined type temperature sensors of high precision |
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