CN206132258U - Platinum resistance formula temperature sensor - Google Patents
Platinum resistance formula temperature sensor Download PDFInfo
- Publication number
- CN206132258U CN206132258U CN201621170085.9U CN201621170085U CN206132258U CN 206132258 U CN206132258 U CN 206132258U CN 201621170085 U CN201621170085 U CN 201621170085U CN 206132258 U CN206132258 U CN 206132258U
- Authority
- CN
- China
- Prior art keywords
- platinum resistance
- conversion circuit
- temperature sensor
- signal
- signal conversion
- Prior art date
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 229910052697 platinum Inorganic materials 0.000 title claims abstract description 44
- 238000006243 chemical reaction Methods 0.000 claims abstract description 36
- 239000012530 fluid Substances 0.000 claims abstract description 29
- 230000005611 electricity Effects 0.000 claims abstract description 6
- 230000011664 signaling Effects 0.000 claims description 22
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000009529 body temperature measurement Methods 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 12
- 239000007788 liquid Substances 0.000 description 10
- 238000013461 design Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 208000020442 loss of weight Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000001931 thermography Methods 0.000 description 2
- 239000007767 bonding agent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004861 thermometry Methods 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a platinum resistance formula temperature sensor, tee bend including installing on the fluid pressure line is measured the front end and is installed and measure the signal conversion box that the front end is connected on the hydraulic system support and with the tee bend, and the tee bend is measured the front end and is included three -way pipe and temperature sensing part, and flange mounting spare is installed outward to the third pipeline of three -way pipe, and temperature sensing part is including round column support and platinum resistance, circle column support and flange mounting spare threaded connection, the signal conversion box includes shell, signal line interface and pacifies cased signal conversion circuit board, and signal conversion circuit board passes through circuit board support to be fixed on the inside wall of shell, and the signal line interface is connected with signal conversion circuit board electricity, is the indent structure bottom the circle column support, and platinum resistance passing signal line is connected with signal conversion circuit board. The utility model discloses installing direct and measurement fluid contact temperature measurement in the three -way pipe with temperature sensing part, changing simply, the signal conversion box can also can separate with the three -way pipe is fixed, and the accuracy is measured in a flexible way to the use.
Description
Technical field
This utility model belongs to hydraulic system thermometry field, and in particular to a kind of platinum resistance formula temperature sensor.
Background technology
Hydraulic system temperature sensor is conventional to carry out temperature control, common hydraulic system temperature sensor with hydraulic system
Mostly contact type temperature sensor, contact type temperature sensor include thermocouple temperature sensor and Resistance Temperature sensing
Device, this kind of temperature sensor mounting means have two kinds, the first mounting means:Artificial interrupts pipeline, increases pipe joint peace
Dress temperature sensor, impression part is directly invaded and experience in fluid oil liquid temperature, and this temperature survey mode accurately, but needs
System or element make corresponding change, destroy original circuit design, change hydraulic plumbing system resistance state, could install such
Temperature sensor;Second mounting means:It is integrated with some Hydraulic Elements, it is such as integrated with hydraulic oil container, but installation site is limited,
In hydraulic system, most of pipeline, element can not be advanced integrated with which;In addition, the platinum resistance for using at present and thermojunction type temperature
When mounted, once installing, cannot change in position, system need to such as increase temperature sensor quantity to degree sensor, it is necessary to weight
Pipeline is newly interrupted, or redesigns sensor mounting location, cause follow-up test stand to change.Another kind of temperature sensor is
Non-contact temperature sensor, is typically SMD temperature sensor, and impression part is affixed on hydraulic tube using special bonding agent
Road outer wall, it is easy for installation, but be pipeline outside wall temperature due to what is experienced, so temperature measurement accuracy is low.Therefore, nowadays lack
A kind of simple structure, small volume, low cost, platinum resistance formula temperature sensor reasonable in design, it is only necessary to needing collecting temperature
The pipeline position of information, is changed to install this utility model sensor in former free flow coupling of installing, does not change original pipeline
Inherent character, does not turn off pipeline, when needing to measure specific part temperature, temperature sensing part is installed into pre-buried three way cock directly
In, flexibility is installed and is greatly enhanced.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, there is provided a kind of platinum electricity
Resistance temperature sensor, which is novel in design rationally, by temperature sensing part be arranged in tee T directly with measurement liquid contact thermography,
Change simple, signal switching box be able to can also be separated with tee T fixation, using flexible, measure accurate, be easy to promote the use of.
To solve above-mentioned technical problem, the technical solution adopted in the utility model is:A kind of platinum resistance formula temperature sensor,
It is characterized in that:Including the threeway measuring nose on fluid pressure line and it is arranged on hydraulic system support and with described three
The signal switching box of logical measuring nose connection, the threeway measuring nose include the tee T and set that two ends are connected with fluid pressure line
The temperature sensing part in the 3rd pipeline of tee T is put, flange installed part, the temperature-sensitive are installed outside the 3rd pipeline of tee T
Part includes cylinder bearing and on cylinder bearing and extend into the platinum resistance of fluid pressure line centrage, cylinder bearing and method
Blue installed part threaded connection;Signal switching box includes shell, arranges signal wire interface on the housing and be arranged on described
The signaling conversion circuit plate of inside the shell, the signaling conversion circuit plate are fixed on the medial wall of the shell by circuit board support
On, signal wire interface is electrically connected with signaling conversion circuit plate, cylinder rest base be concave inward structure, platinum resistance by holding wire with
Signaling conversion circuit plate connects.
A kind of above-mentioned platinum resistance formula temperature sensor, it is characterised in that:The signal switching box also includes attachment lug,
The attachment lug is welded on the housing.
A kind of above-mentioned platinum resistance formula temperature sensor, it is characterised in that:The tee T connect with fluid pressure line two
End is HB4-1993 series of adapters.
A kind of above-mentioned platinum resistance formula temperature sensor, it is characterised in that:The platinum resistance is welded on cylinder bearing.
A kind of above-mentioned platinum resistance formula temperature sensor, it is characterised in that:One end of the holding wire passes through cylinder bearing
It is connected with platinum resistance, the other end of holding wire is connected through the shell with signaling conversion circuit plate.
A kind of above-mentioned platinum resistance formula temperature sensor, it is characterised in that:The outer surface car of the cylinder bearing has HB4 systems
Row external screw thread, flange installed part is got on the bus the HB4 series female threads coordinated with the HB4 series of external screw threads.
A kind of above-mentioned platinum resistance formula temperature sensor, it is characterised in that:Be integrated with the signaling conversion circuit plate according to
Resistance-the voltage conversion circuit of secondary connection, signal amplification circuit and filter circuit.
This utility model has advantages below compared with prior art:
1st, former free flow coupling of installing is changed to install tee T by this utility model threeway measuring nose, does not change original
There is pipeline inherent character, contact temperature-measuring being realized by installing temperature sensing part, certainty of measurement is high, the cylinder bearing in temperature sensing part
Bottom milling is concave inward structure, on the one hand carries out loss of weight to temperature sensor, is on the other hand easy to holding wire to pass through, is easy to popularization to make
With.
2nd, this utility model is designed with signal switching box, and signal switching box can be fixedly installed togather with threeway measuring nose
Use, use also can be separated with threeway measuring nose, it is flexible and changeable, and threeway measuring nose can be gathered what is come by signal switching box
Resistance data change turns to the accessible voltage signal of host computer, reliable and stable, and certainty of measurement is high, and using effect is good.
3rd, this utility model can install and use the temperature sensor according to actual field environment, and temperature sensor can be using collection
It is into a single integrated structure, Split type structure can be also adopted by, position is flexible.
4th, this utility model simple structure, conveniently, input cost is low for reasonable in design and realization.
In sum, this utility model is novel in design rationally, simple structure, and temperature sensing part is arranged in tee T directly
With measurement liquid contact thermography, change simple, signal switching box be able to can also be separated with tee T fixation, using flexible, measurement
Accurately, it is easy to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Top views of the Fig. 2 for Fig. 1.
A-A sectional views of the Fig. 3 for Fig. 2.
Structural representations of the Fig. 4 for this utility model threeway measuring nose.
Description of reference numerals:
1-tee T;2-flange installed part;The switching box of 3-signal;
4-signal wire interface;5-attachment lug;6-cylinder bearing;
7-platinum resistance;8-holding wire;10-signaling conversion circuit plate;
11-circuit board support.
Specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, a kind of platinum resistance formula temperature sensor described in the utility model, including being arranged on
Threeway measuring nose and the signal being connected on hydraulic system support and with the threeway measuring nose on fluid pressure line
Switching box 3, the threeway measuring nose include the tee T 1 and be arranged on the 3rd of tee T 1 that two ends are connected with fluid pressure line
Temperature sensing part in pipeline, is provided with flange installed part 2 outside the 3rd pipeline of tee T 1, the temperature sensing part includes cylinder
Seat 6 and on cylinder bearing 6 and it extend into the platinum resistance 7 of fluid pressure line centrage, cylinder bearing 6 and flange installed part 2
Threaded connection;Signal switching box 3 includes shell, arranges signal wire interface 4 on the housing and be arranged on the inside the shell
Signaling conversion circuit plate 10, the signaling conversion circuit plate 10 is fixed on the medial wall of the shell by circuit board support 11
On, signal wire interface 4 is electrically connected with signaling conversion circuit plate 10, and 6 bottom of cylinder bearing is concave inward structure, and platinum resistance 7 is by letter
Number line 8 is connected with signaling conversion circuit plate 10.
In the present embodiment, the two ends that the tee T 1 is connected with fluid pressure line are HB4-1993 series of adapters.
In the present embodiment, the platinum resistance 7 is welded on cylinder bearing 6, it is ensured that the intensity and sealing of platinum resistance 7.
In the present embodiment, one end of the holding wire 8 is connected through cylinder bearing 6 with platinum resistance 7, holding wire 8 it is another
End is connected through the shell with signaling conversion circuit plate 10.
In the present embodiment, the outer surface car of the cylinder bearing 6 has a HB4 series of external screw threads, flange installed part 2 get on the bus have with
The HB4 series female threads that the HB4 series of external screw threads coordinates, it is ensured that thread seal.
In actually used, tee T 1 adopts T tube, and in T tube, 180 ° of two ends are connected with fluid pressure line each other
It is logical, replace former free flow coupling being installed, it is ensured that in hydraulic system, liquid normally circulates, tee T 1 connect with fluid pressure line two
End is HB4-1993 series of adapters, realizes the generalization that hydraulic system pipeline is installed, and is easy to safeguard, mutual with T tube
It is the 3rd pipeline of tee T 1 for the vertical pipeline in 180 ° of two ends, temperature sensing part is arranged in the 3rd pipeline of tee T 1
It is easy to gather the temperature of liquid flowed through in the tee T 1, platinum resistance 7 is extend at fluid pressure line position of center line, realizes contact
Formula thermometric;Flange installed part 2 realizes in T tube 180 ° of two ends centrage each other using circular or rectangular configuration
Centerlines with signal wire interface 4 are 0 °~180 °;The shell of signal switching box 3 adopts electromagnetism interference housing, protection
External environmental interference is not received in signal conversion in signal switching box 3;6 bottom milling of cylinder bearing in temperature sensing part is concave inward structure,
On the one hand loss of weight is carried out to temperature sensor, is on the other hand easy to holding wire 8 to pass through;The signaling conversion circuit plate 10 is by electricity
Road board support 11 is fixed on the medial wall of the shell, it is ensured that signaling conversion circuit plate 10 installs stable, with function of seismic resistance.
As shown in figure 1, in the present embodiment, the signal switching box 3 also includes attachment lug 5, the attachment lug 5 is welded
On the housing.
The quantity of attachment lug 5 is multiple, in the present embodiment, designs three attachment lugs 5, meets signal switching box 3
It is stable to install.
In the present embodiment, resistance-voltage conversion circuit, the letter being sequentially connected on the signaling conversion circuit plate 10, is integrated with
Number amplifying circuit and filter circuit.
In actually used, 7 contact of platinum resistance directly gathers temperature of liquid in fluid pressure line, the data that platinum resistance 7 is obtained
For resistance value, the resistance value Jing holding wire 8 is transmitted to signaling conversion circuit plate 10, and Jing resistance-voltage conversion circuit is converted to
The accessible voltage signal of host computer, the voltage signal are faint, and the faint voltage signal is amplified by Jing signal amplification circuits, just
Recognize in host computer, have interference in the process that voltage signal amplifies unavoidably, filtered circuit is carried out to the voltage signal for amplifying
Denoising, data processing are accurate, and effect is good.
In actually used, to be measured section of temperature on fluid pressure line is determined, tee T 1 is accessed into fluid pressure line temperature to be measured
Section, in the outer mounting flange installed part 2 of the 3rd pipeline of tee T 1, coordinates closure with 2 screw thread of flange installed part using aviation plug
3rd pipeline of tee T 1, can arrange multiple to be measured sections on fluid pressure line, in the present embodiment with one of them to be measured section be
Example, when it is determined that measuring temperature of liquid in be measured section of fluid pressure line temperature, removes aviation plug, then will be provided with platinum resistance 7
Cylinder bearing 6 and 2 screw thread of flange installed part coordinate the 3rd pipeline of closure tee T 1, meanwhile, draw in 6 bottom of cylinder bearing
Go out holding wire 8, when to be measured section of surrounding of fluid pressure line temperature is present can accommodate the position of signal switching box 3, adjustment signal turns
Change the setting angle of box 3, it is ensured that signal wire interface 4 is not blocked, holding wire 8 is extend into into the inside the shell with signal conversion electricity
Road plate 10 is electrically connected, and flange installed part 2 is fixedly mounted on the shell of signal switching box 3 by screw, by attachment lug 5
Signal switching box 3 is fixed on the hydraulic system support around to be measured section of fluid pressure line temperature;When fluid pressure line temperature is treated
Do not exist around measuring section when can accommodate the position of signal switching box 3, will be signal switching box 3 separately installed with tee T 1, in liquid
The installation site of signal switching box 3 is searched in pressure system frame and the setting angle fixed installation signal of signal switching box 3 is adjusted
Switching box 3, extends holding wire 8 according to relative distance of the signal switching box 3 with tee T 1, by extending into fluid pressure line center
Temperature of liquid in be measured section of the fluid pressure line temperature of collection of platinum resistance 7 of line, the resistance value Jing signal conversion electricity of the output of platinum resistance 7
Road plate 10 is converted to the discernible voltage signal of host computer, using the data wire coordinated with signal wire interface 4, the voltage that will be obtained
4 remote transmission of signal Jing signal wire interfaces is into the host computer for monitoring interior;When measuring, fluid pressure line temperature is to be measured
In section during temperature of liquid, aviation plug is kept to coordinate the 3rd pipeline of closure tee T 1 with 2 screw thread of flange installed part.
The above, is only preferred embodiment of the present utility model, not this utility model is imposed any restrictions, every
Any simple modification, change and equivalent structure change above example made according to this utility model technical spirit, still
Belong in the protection domain of technical solutions of the utility model.
Claims (7)
1. a kind of platinum resistance formula temperature sensor, it is characterised in that:Including the threeway measuring nose on fluid pressure line and
The signal switching box (3) being connected on hydraulic system support and with the threeway measuring nose, the threeway measuring nose
The tee T (1) connected with fluid pressure line including two ends and the temperature sensing part being arranged in the 3rd pipeline of tee T (1), threeway
Flange installed part (2) is installed outside the 3rd pipeline of pipe (1), the temperature sensing part includes cylinder bearing (6) and is arranged on cylinder
On bearing (6) and the platinum resistance (7) of fluid pressure line centrage is extend into, cylinder bearing (6) is connected with flange installed part (2) screw thread
Connect;Signal switching box (3) including shell, signal wire interface (4) on the housing is set and installed in the inside the shell
Signaling conversion circuit plate (10), the signaling conversion circuit plate (10) are fixed on the interior of the shell by circuit board support (11)
On the wall of side, signal wire interface (4) is electrically connected with signaling conversion circuit plate (10), cylinder bearing (6) bottom be concave inward structure, platinum electricity
Resistance (7) is connected with signaling conversion circuit plate (10) by holding wire (8).
2. according to a kind of platinum resistance formula temperature sensor described in claim 1, it is characterised in that:The signal switching box (3)
Also include attachment lug (5), the attachment lug (5) is welded on the housing.
3. according to a kind of platinum resistance formula temperature sensor described in claim 1 or 2, it is characterised in that:The tee T (1) with
The two ends of fluid pressure line connection are HB4-1993 series of adapters.
4. according to a kind of platinum resistance formula temperature sensor described in claim 3, it is characterised in that:Platinum resistance (7) welding
On cylinder bearing (6).
5. according to a kind of platinum resistance formula temperature sensor described in claim 4, it is characterised in that:The one of the holding wire (8)
End is connected through cylinder bearing (6) with platinum resistance (7), and the other end of holding wire (8) passes through the shell and signaling conversion circuit
Plate (10) connects.
6. according to a kind of platinum resistance formula temperature sensor described in claim 3, it is characterised in that:The cylinder bearing (6)
Outer surface car has HB4 series of external screw threads, and flange installed part (2) is got on the bus to be had in the HB4 series coordinated with the HB4 series of external screw threads
Screw thread.
7. according to a kind of platinum resistance formula temperature sensor described in claim 3, it is characterised in that:The signaling conversion circuit plate
(10) resistance-voltage conversion circuit, signal amplification circuit and the filter circuit being sequentially connected is integrated with.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621170085.9U CN206132258U (en) | 2016-10-26 | 2016-10-26 | Platinum resistance formula temperature sensor |
Applications Claiming Priority (1)
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CN201621170085.9U CN206132258U (en) | 2016-10-26 | 2016-10-26 | Platinum resistance formula temperature sensor |
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CN206132258U true CN206132258U (en) | 2017-04-26 |
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CN201621170085.9U Expired - Fee Related CN206132258U (en) | 2016-10-26 | 2016-10-26 | Platinum resistance formula temperature sensor |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106370316A (en) * | 2016-10-26 | 2017-02-01 | 陕西东方长安航空科技有限公司 | Platinum resistor type temperature sensor for hydraulic system and using method thereof |
-
2016
- 2016-10-26 CN CN201621170085.9U patent/CN206132258U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106370316A (en) * | 2016-10-26 | 2017-02-01 | 陕西东方长安航空科技有限公司 | Platinum resistor type temperature sensor for hydraulic system and using method thereof |
CN106370316B (en) * | 2016-10-26 | 2018-10-12 | 陕西东方长安航空科技有限公司 | A kind of hydraulic system platinum resistance formula temperature sensor and its application method |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 |