CN206132258U - Platinum resistance formula temperature sensor - Google Patents

Platinum resistance formula temperature sensor Download PDF

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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
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CN
China
Prior art keywords
platinum resistance
conversion circuit
temperature sensor
signal
signal conversion
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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.)
Expired - Fee Related
Application number
CN201621170085.9U
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Chinese (zh)
Inventor
张�杰
侯慧中
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Shaanxi Dongfang Changan Aviation Technology Co Ltd
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Shaanxi Dongfang Changan Aviation Technology Co Ltd
Priority date (The priority date 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 date listed.)
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Application filed by Shaanxi Dongfang Changan Aviation Technology Co Ltd filed Critical Shaanxi Dongfang Changan Aviation Technology Co Ltd
Priority to CN201621170085.9U priority Critical patent/CN206132258U/en
Application granted granted Critical
Publication of CN206132258U publication Critical patent/CN206132258U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

A kind of platinum resistance formula temperature sensor
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.
CN201621170085.9U 2016-10-26 2016-10-26 Platinum resistance formula temperature sensor Expired - Fee Related CN206132258U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621170085.9U CN206132258U (en) 2016-10-26 2016-10-26 Platinum resistance formula temperature sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621170085.9U CN206132258U (en) 2016-10-26 2016-10-26 Platinum resistance formula temperature sensor

Publications (1)

Publication Number Publication Date
CN206132258U true CN206132258U (en) 2017-04-26

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Application Number Title Priority Date Filing Date
CN201621170085.9U Expired - Fee Related CN206132258U (en) 2016-10-26 2016-10-26 Platinum resistance formula temperature sensor

Country Status (1)

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CN (1) CN206132258U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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Granted publication date: 20170426