CN106370316A - Platinum resistor type temperature sensor for hydraulic system and using method thereof - Google Patents
Platinum resistor type temperature sensor for hydraulic system and using method thereof Download PDFInfo
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- CN106370316A CN106370316A CN201610945655.5A CN201610945655A CN106370316A CN 106370316 A CN106370316 A CN 106370316A CN 201610945655 A CN201610945655 A CN 201610945655A CN 106370316 A CN106370316 A CN 106370316A
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- 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
- G01K7/183—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 characterised by the use of the resistive element
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Abstract
The invention discloses a platinum resistor type temperature sensor for a hydraulic system and a using method thereof. The temperature sensor is composed of a three-way measuring front end and a signal conversion box. The three-way measuring front end includes a three-way tube and a temperature-sensing component. The temperature-sensing component consists of a cylindrical support seat and a platinum resistor. The signal conversion box includes a shell, a signal line interface and a signal conversion circuit board. The temperature sensor can be installed and operated conveniently. Besides, the using method includes: step one, determining a to-be-installed position of a temperature sensor; step two, determining whether to carry out temperature measurement on liquid in a segment, with the temperature to be measured, of a hydraulic pipe; step three, installing a temperature-sensing component; step four, determining a mounting position and a mounting angle of the signal conversion box; step five, measuring the temperature of liquid in the segment, with the temperature to be measured, of the hydraulic pipe; and step six, transmitting temperature data of the liquid in the segment, with the temperature to be measured, of the hydraulic pipe. According to the invention, the temperature-sensing component is installed in the three-way pipe to realize direct contact and temperature measurement with the measured liquid; replacement becomes simple; the signal conversion box can be fixed with or separated from the three-way pipe, so that usage becomes flexible; and measurement becomes accurate.
Description
Technical field
The invention belongs to hydraulic system thermometry field is and in particular to a kind of hydraulic system platinum resistance formula temperature sensing
Device and its using method.
Background technology
Hydraulic system temperature sensor is commonly used and is carried out temperature control with hydraulic system, common hydraulic system temperature sensor
It mostly is contact type temperature sensor, contact type temperature sensor includes thermocouple temperature sensor and Resistance Temperature sensing
Device, this kind of temperature sensor mounting means has two kinds, the first mounting means: artificial interrupts pipeline, increases pipe joint peace
Dress temperature sensor, impression part is directly invaded in fluid and experiences oil liquid temperature, and this temperature survey mode accurately, but needs
Corresponding change made by system or element, destroys original circuit design, changes hydraulic plumbing system resistance state, could install such
Temperature sensor；Second mounting means: integrated with some Hydraulic Elements, such as integrated with hydraulic oil container, but limited by installation site,
Most of pipeline in hydraulic system, element can not with its advance integrated；In addition, the current platinum resistance using and thermojunction type temperature
Degree sensor when mounted, once installing, cannot change position, as increased temperature sensor quantity it is necessary to weight in system
Newly interrupt pipeline, or redesign 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, using special bonding agent, impression part is affixed on hydraulic tube
Road outer wall, easy for installation, but be pipeline outside wall temperature due to experience, so temperature measurement accuracy is low.Therefore, nowadays lack
A kind of structure is simple, small volume, low cost, hydraulic system reasonable in design is with platinum resistance formula temperature sensor and its user
Method is it is only necessary at the pipeline position needing collecting temperature information, be changed to install inventive sensor in former installation free flow coupling
, do not change original pipeline inherent character, do not turn off pipeline, when needing to measure specific part temperature, directly by temperature-sensitive portion
Part is installed in pre-buried three way cock, installs flexibility and greatly enhances.
Content of the invention
The technical problem to be solved is, for above-mentioned deficiency of the prior art, to provide a kind of hydraulic system
With platinum resistance formula temperature sensor, it is novel in design rationally, temperature sensing part is arranged in tee T and directly connects with measurement liquid
Tactile thermometric, changes simple, signal switching box can also be able to separate with tee T fixation, using flexible, measures accurately, is easy to promote
Use.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of hydraulic system platinum resistance formula temperature
Sensor it is characterised in that: include the threeway measuring nose that is arranged on fluid pressure line and be arranged on hydraulic system support and
The signal switching box being connected with described threeway measuring nose, described threeway measuring nose includes three that two ends are connected with fluid pressure line
Siphunculus and the temperature sensing part being arranged in the 3rd pipeline of tee T, are provided with flange installed part outside the 3rd pipeline of tee T,
Described temperature sensing part includes cylinder bearing and is arranged on cylinder bearing and extend into the platinum resistance of fluid pressure line centrage, cylinder
Bearing is threadeded with flange installed part；Signal switching box includes shell, setting signal wire interface on the housing and peace
It is contained in the signaling conversion circuit plate of described inside the shell, described signaling conversion circuit plate is fixed on described shell by circuit board support
Medial wall on, signal wire interface is electrically connected with signaling conversion circuit plate, and cylinder rest base is concave inward structure, and platinum resistance passes through
Holding wire is connected with signaling conversion circuit plate.
A kind of above-mentioned hydraulic system platinum resistance formula temperature sensor it is characterised in that: described signal switching box is also wrapped
Include attachment lug, described attachment lug welds on the housing.
A kind of above-mentioned hydraulic system with platinum resistance formula temperature sensor it is characterised in that: described tee T and hydraulic tube
The two ends of road connection are hb4-1993 series of adapters.
A kind of above-mentioned hydraulic system platinum resistance formula temperature sensor it is characterised in that: described platinum resistance is welded on circle
On pillar support.
A kind of above-mentioned hydraulic system platinum resistance formula temperature sensor it is characterised in that: one end of described holding wire is worn
Cross cylinder bearing to be connected with platinum resistance, the other end of holding wire is connected through described shell with signaling conversion circuit plate.
A kind of above-mentioned hydraulic system with platinum resistance formula temperature sensor it is characterised in that: the appearance of described cylinder bearing
Face car has hb4 series of external screw threads, and flange installed part is got on the bus the serial female thread with the hb4 of described hb4 series of external screw threads cooperation.
A kind of above-mentioned hydraulic system with platinum resistance formula temperature sensor it is characterised in that: described signaling conversion circuit plate
On be integrated with resistance-voltage conversion circuit, signal amplification circuit and the filter circuit being sequentially connected.
Meanwhile, the invention also discloses a kind of method and step is simple, reasonable in design, can accurately measure liquid in fluid pressure line
Temperature, reduces leakage probability, reduces the hydraulic system platinum resistance formula temperature sensor using method of sensor signal interference,
It is characterized in that this using method comprises the following steps:
Step one, determine the position to be installed of temperature sensor: determine to be measured section of temperature on fluid pressure line, by tee T
Access to be measured section of fluid pressure line temperature, in the outer mounting flange installed part of the 3rd pipeline of tee T, using aviation plug and method
3rd pipeline of blue installed part screw thread cooperation closure tee T；
Step 2, judge whether liquid in be measured section of fluid pressure line temperature is carried out temperature survey: when determining measurement liquid
In to be measured section of line temperature of pressure during temperature of liquid, execution step three；Otherwise, aviation plug and flange in step one is kept to install
3rd pipeline of part screw thread cooperation closure tee T；
Step 3, installation temperature sensing part: the aviation plug in step one is removed, then the cylinder being provided with platinum resistance is propped up
Seat coordinates the 3rd pipeline of closure tee T with flange installed part screw thread, meanwhile, draws holding wire in cylinder rest base；
Step 4, the installation site determining signal switching box and setting angle: the liquid of tee T is installed in step one
The installation site of signal switching box is determined, when to be measured section of surrounding of fluid pressure line temperature exists around to be measured section of pressure line temperature
Can accommodate signal switching box position when, execution step 401；Letter can be accommodated when to be measured section of surrounding of fluid pressure line temperature does not exist
During the position of number switching box, execution step 402；
Step 401, adjustment signal switching box setting angle it is ensured that signal wire interface is not blocked, by step 3
Holding wire is extend into described inside the shell and is electrically connected with signaling conversion circuit plate, the flange installed part in step 3 is passed through screw solid
Dingan County is contained on the shell of signal switching box, by attachment lug, signal switching box is fixed on to be measured section of fluid pressure line temperature
On the hydraulic system support of surrounding；
Step 402, will be separately installed to signal switching box and tee T, signal switching box is searched on hydraulic system support
Installation site simultaneously adjusts the setting angle fixed installation signal switching box of signal switching box, according to signal switching box and tee T
Relative distance extends holding wire；
Temperature of liquid in step 5, to be measured section of fluid pressure line temperature of measurement: by extending into fluid pressure line centrage
Temperature of liquid in platinum resistance to be measured section of fluid pressure line temperature of collection, the resistance value of platinum resistance output turns through signaling conversion circuit plate
It is changed to the discernible voltage signal of host computer；
The transmission of temperature of liquid data in step 6, to be measured section of fluid pressure line temperature: coordinate using with signal wire interface
Data wire, by the voltage signal obtaining in step 5 through signal wire interface remote transmission to monitoring in indoor host computer.
The present invention compared with prior art has the advantage that
1st, former installation is led directly to by the hydraulic system that the present invention adopts threeway measuring nose in platinum resistance formula temperature sensor
Pipe joint is changed to install tee T, does not change original pipeline inherent character, realizes contact survey by installing temperature sensing part
Temperature, certainty of measurement is high, and the cylinder rest base milling in temperature sensing part is concave inward structure, on the one hand temperature sensor is subtracted
Weight, is on the other hand easy to holding wire and passes through, be easy to promote the use of.
2nd, the hydraulic system platinum resistance formula design for temperature sensor that the present invention adopts has signal switching box, signal switching box
Can be fixedly installed togather use with threeway measuring nose, also can separate use with threeway measuring nose, flexible and changeable, and signal
The resistance data change that the collection of threeway measuring nose comes can be turned to the accessible voltage signal of host computer by switching box, reliable and stable,
Certainty of measurement is high, and using effect is good.
3rd, the hydraulic system that the present invention adopts is new reasonable with the using method of platinum resistance formula temperature sensor, according to reality
Site environment installs and uses this temperature sensor, judges whether that entering trip temperature to liquid in be measured section of fluid pressure line temperature surveys
Amount, when not needing to measure temperature of liquid data in be measured section of fluid pressure line temperature, blocks tee T using aviation plug；When
When measuring temperature of liquid data in be measured section of fluid pressure line temperature, aviation plug is replaced to three using threeway measuring nose
Siphunculus carries out closure thermometric, and temperature sensor can adopt integrated structure, can be also adopted by Split type structure, position spirit
Live.
4th, the hydraulic system that the present invention adopts is simple with the using method step of platinum resistance formula temperature sensor, reasonable in design
And realize conveniently, input cost is low.
In sum, the present invention is novel in design rationally, and structure is simple, temperature sensing part is arranged in tee T directly and surveys
Quantity of fluid contact thermography, changes simple, signal switching box can also be able to separate with tee T fixation, using flexible, measures accurately,
It is easy to promote the use of.
Below by drawings and Examples, technical scheme is described in further detail.
Brief description
Fig. 1 is the structural representation of present hydraulic system platinum resistance formula temperature sensor.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the a-a sectional view of Fig. 2.
Fig. 4 is the structural representation of threeway measuring nose in present hydraulic system platinum resistance formula temperature sensor.
Fig. 5 is the FB(flow block) of present hydraulic system platinum resistance formula temperature sensor using method.
Description of reference numerals:
1 tee T；2 flange installed parts；3 signal switching boxs；
4 signal wire interfaces；5 attachment lugs；6 cylinder bearings；
7 platinum resistance；8 holding wires；10 signaling conversion circuit plates；
11 circuit board supports.
Specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, a kind of hydraulic system of the present invention platinum resistance formula temperature sensor, including
The threeway measuring nose being arranged on fluid pressure line and be arranged on hydraulic system support and be connected with described threeway measuring nose
Signal switching box 3, described threeway measuring nose includes tee T 1 that two ends are connected with fluid pressure line and is arranged on tee T 1
The 3rd pipeline in temperature sensing part, outside the 3rd pipeline of tee T 1, flange installed part 2 is installed, described temperature sensing part includes
Cylinder bearing 6 and the platinum resistance 7 being arranged on cylinder bearing 6 and extending into fluid pressure line centrage, cylinder bearing 6 and flange peace
Piece installing 2 is threaded；Signal switching box 3 includes shell, arranges signal wire interface 4 on the housing and be arranged on described outer
Signaling conversion circuit plate 10 in shell, described signaling conversion circuit plate 10 is fixed on the interior of described shell by circuit board support 11
On the wall of side, signal wire interface 4 is electrically connected with signaling conversion circuit plate 10, and cylinder bearing 6 bottom is concave inward structure, and platinum resistance 7 is led to
Cross holding wire 8 to be connected with signaling conversion circuit plate 10.
In the present embodiment, the two ends that described tee T 1 is connected with fluid pressure line are hb4-1993 series of adapters.
In the present embodiment, described platinum resistance 7 is welded on cylinder bearing 6 it is ensured that the intensity of platinum resistance 7 and sealing.
In the present embodiment, one end of described holding wire 8 is connected through cylinder bearing 6 with platinum resistance 7, holding wire 8 another
End is connected through described shell with signaling conversion circuit plate 10.
In the present embodiment, the outer surface car of described cylinder bearing 6 has hb4 series of external screw threads, flange installed part 2 get on the bus have with
The hb4 series female thread of described hb4 series of external screw threads cooperation is it is ensured that thread seal.
In actually used, tee T 1 adopts t shape tee T, and in t shape tee T, 180 ° of two ends and fluid pressure line connect each other
Logical, replace former installation free flow coupling it is ensured that liquid normally circulates in hydraulic system, tee T 1 connect with fluid pressure line two
End is hb4-1993 series of adapters, realizes the generalization of hydraulic system pipeline installation, is easy to safeguard, mutual with t shape tee T
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 flowing through in this tee T 1, platinum resistance 7 extend at fluid pressure line position of center line, realize contact
Formula thermometric；Flange installed part 2 using circular or rectangular configuration, realizes in t shape tee T 180 ° each other of two ends centrage
It is 0 °～180 ° with the centerlines of signal wire interface 4；The shell of signal switching box 3 adopts electromagnetism interference housing, protection
In signal switching box 3, signal conversion is not subject to external environmental interference；Cylinder bearing 6 bottom milling in temperature sensing part is concave inward structure,
On the one hand loss of weight is carried out to temperature sensor, be on the other hand easy to holding wire 8 and pass through；Described signaling conversion circuit plate 10 passes through electricity
Road board support 11 is fixed on the medial wall of described shell it is ensured that signaling conversion circuit plate 10 installation is stable, has function of seismic resistance.
As shown in figure 1, in the present embodiment, described signal switching box 3 also includes attachment lug 5, described attachment lug 5 welds
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
Stable installation.
In the present embodiment, described signaling conversion circuit plate 10 is integrated with the resistance-voltage conversion circuit being sequentially connected, letter
Number amplifying circuit and filter circuit.
In actually used, platinum resistance 7 contact directly gathers temperature of liquid in fluid pressure line, the data that platinum resistance 7 obtains
For resistance value, this resistance value is transmitted to signaling conversion circuit plate 10 through holding wire 8, is converted to through resistance-voltage conversion circuit
The accessible voltage signal of host computer, this voltage signal is faint, amplifies this faint voltage signal through signal amplification circuit, just
In host computer identification, in the process that voltage signal amplifies, have interference unavoidably, filtered circuit is carried out to the voltage signal amplifying
Denoising, accurately, effect is good for data processing.
A kind of using method of hydraulic system platinum resistance formula temperature sensor as shown in Figure 4 is it is characterised in that this makes
Comprised the following steps with method:
Step one, determine the position to be installed of temperature sensor: determine to be measured section of temperature on fluid pressure line, by tee T
1 to be measured section of fluid pressure line temperature of access, in the outer mounting flange installed part 2 of the 3rd pipeline of tee T 1, using aviation plug with
3rd pipeline of flange installed part 2 screw thread cooperation closure tee T 1；
In actually used, fluid pressure line can arrange multiple to be measured sections, with one of to be measured section in the present embodiment
As a example, access tee T 1 at the position to be installed determining temperature sensor, actual thermometric does not need to measure this in real time to be measured
Temperature of liquid in section, can be directly threaded in flange installed part 2 using aviation plug and realize closure.
Step 2, judge whether liquid in be measured section of fluid pressure line temperature is carried out temperature survey: when determining measurement liquid
In to be measured section of line temperature of pressure during temperature of liquid, execution step three；Otherwise, aviation plug and flange in step one is kept to install
3rd pipeline of part 2 screw thread cooperation closure tee T 1；
Step 3, installation temperature sensing part: the aviation plug in step one is removed, then the cylinder of platinum resistance 7 will be installed
Bearing 6 and the 3rd pipeline of flange installed part 2 screw thread cooperation closure tee T 1, meanwhile, draw signal in cylinder bearing 6 bottom
Line 8；
The length of the platinum resistance 7 being arranged on cylinder bearing 6 reaches at fluid pressure line position of center line, lifting measurement essence
Degree, does not produce additional pipe flow resistance simultaneously.
Step 4, the installation site determining signal switching box and setting angle: the liquid of tee T 1 is installed in step one
The installation site of signal switching box 3 is determined, when to be measured section of surrounding of fluid pressure line temperature is deposited around to be measured section of pressure line temperature
When the position of signal switching box 3 can be accommodated, execution step 401；When to be measured section of surrounding of fluid pressure line temperature does not exist and can hold
Receive signal switching box 3 position when, execution step 402；
Step 401, adjustment signal switching box 3 setting angle it is ensured that signal wire interface 4 is not blocked, by step 3
Holding wire 8 extend into described inside the shell and electrically connect with signaling conversion circuit plate 10, the flange installed part 2 in step 3 is passed through
Screw is fixedly mounted on the shell of signal switching box 3, by attachment lug 5, signal switching box 3 is fixed on fluid pressure line temperature
On hydraulic system support around to be measured section of degree；
When there is, around to be measured section of fluid pressure line temperature, the position that signal switching box 3 can be accommodated, by threeway measuring nose
It is installed together with signal switching box 3, reduces the leakage probability between platinum resistance 7 and tee T 1, the holding wire 8 of use is short,
Reduce internal signal interference, reduce temperature sensor volume, be easily installed.
Step 402, will be separately installed with tee T 1 for signal switching box 3, on hydraulic system support search signal switching box
3 installation site and adjust signal switching box 3 setting angle fixed installation signal switching box 3, according to signal switching box 3 and three
The relative distance of siphunculus 1 extends holding wire 8；
When there is not, around to be measured section of fluid pressure line temperature, the position that signal switching box 3 can be accommodated, changed according to signal
Box 3 extends holding wire 8 with the relative distance of tee T 1, and the shell of signal switching box 3 adopts industrial design, shields environment electromagnetics
Interference, design mechanical interface is easy to holding wire 8 plug-in mounting.
Temperature of liquid in step 5, to be measured section of fluid pressure line temperature of measurement: by extending into fluid pressure line centrage
Temperature of liquid in platinum resistance 7 to be measured section of fluid pressure line temperature of collection, the resistance value of platinum resistance 7 output is through signaling conversion circuit plate
10 are converted to the discernible voltage signal of host computer；
The transmission of temperature of liquid data in step 6, to be measured section of fluid pressure line temperature: coordinate using with signal wire interface 4
Data wire, by the voltage signal obtaining in step 5 through signal wire interface 4 remote transmission to monitoring in indoor host computer.
In actual installation of the present invention, flange installed part 2 is arranged on letter by the screw of gb/t832-1988-cm3 × 6 specification
In number switching box 3, the screw encapsulation by gb/t818-2000-m3 × 8 specification for the signal switching box 3, signal wire interface 4 passes through
The screw of gb/t832-1988-cm3 × 6 specification is arranged in signal switching box 3, and signaling conversion circuit plate 10 passes through gb/t832-
The screw of 1988-cm2.5 × 6 specification is arranged on circuit board support 11, and signal wire interface 4 is j599/20wb99pn interface, adopts
Realize standardization and the versatility of part installation, the maintainability of lifting temperature sensor with international standard.
The above, be only presently preferred embodiments of the present invention, not the present invention imposed any restrictions, every according to the present invention
Any simple modification, change and equivalent structure change that technical spirit is made to above example, all still fall within skill of the present invention
In the protection domain of art scheme.
Claims (8)
1. a kind of hydraulic system platinum resistance formula temperature sensor it is characterised in that: include being arranged on threeway on fluid pressure line
Measuring nose and the signal switching box (3) being arranged on hydraulic system support and being connected with described threeway measuring nose, described three
Logical measuring nose include the two ends tee T (1) connecting with fluid pressure line and be arranged on tee T (1) the 3rd pipeline in sense
Warm part, is provided with flange installed part (2) outside the 3rd pipeline of tee T (1), described temperature sensing part include cylinder bearing (6) and
It is arranged on cylinder bearing (6) and extend into the platinum resistance (7) of fluid pressure line centrage, cylinder bearing (6) and flange installed part
(2) threaded；Signal switching box (3) includes shell, arranges signal wire interface (4) on the housing and be arranged on described
The signaling conversion circuit plate (10) of inside the shell, described signaling conversion circuit plate (10) is fixed on described by circuit board support (11)
On the medial wall of shell, signal wire interface (4) is electrically connected with signaling conversion circuit plate (10), and cylinder bearing (6) bottom is indent
Structure, platinum resistance (7) is connected with signaling conversion circuit plate (10) by holding wire (8).
2. according to a kind of hydraulic system described in claim 1 with platinum resistance formula temperature sensor it is characterised in that: described signal
Switching box (3) also includes attachment lug (5), and described attachment lug (5) is welded on the housing.
3. according to a kind of hydraulic system described in claim 1 or 2 with platinum resistance formula temperature sensor it is characterised in that: described
The two ends that tee T (1) is connected with fluid pressure line are hb4-1993 series of adapters.
4. according to a kind of hydraulic system described in claim 3 with platinum resistance formula temperature sensor it is characterised in that: described platinum electricity
Resistance (7) is welded on cylinder bearing (6).
5. according to a kind of hydraulic system described in claim 4 with platinum resistance formula temperature sensor it is characterised in that: described signal
One end of line (8) is connected through cylinder bearing (6) with platinum resistance (7), and the other end of holding wire (8) passes through described shell and signal
Change-over circuit plate (10) connects.
6. according to a kind of hydraulic system described in claim 3 with platinum resistance formula temperature sensor it is characterised in that: described cylinder
The outer surface car of bearing (6) has hb4 series of external screw threads, and flange installed part (2) is got on the bus to be had and the cooperation of described hb4 series of external screw threads
Hb4 series female thread.
7. according to a kind of hydraulic system described in claim 3 with platinum resistance formula temperature sensor it is characterised in that: described signal
Resistance-voltage conversion circuit, signal amplification circuit and the filter circuit being sequentially connected is integrated with change-over circuit plate (10).
8. one kind carries out the thermometric using method of hydraulic system, its feature using temperature sensor as claimed in claim 3
It is that this using method comprises the following steps:
Step one, determine the position to be installed of temperature sensor: determine to be measured section of temperature on fluid pressure line, by tee T (1)
Access to be measured section of fluid pressure line temperature, in the outer mounting flange installed part (2) of the 3rd pipeline of tee T (1), blocked up using aviation
Head coordinates the 3rd pipeline of closure tee T (1) with flange installed part (2) screw thread；
Step 2, judge whether liquid in be measured section of fluid pressure line temperature is carried out temperature survey: when determining measurement hydraulic tube
In to be measured section of road temperature during temperature of liquid, execution step three；Otherwise, aviation plug and flange installed part in step one are kept
(2) the 3rd pipeline of screw thread cooperation closure tee T (1)；
Step 3, installation temperature sensing part: the aviation plug in step one is removed, then the cylinder being provided with platinum resistance (7) is propped up
Seat (6) and the 3rd pipeline of flange installed part (2) screw thread cooperation closure tee T (1), draw in cylinder bearing (6) bottom meanwhile
Go out holding wire (8)；
Step 4, the installation site determining signal switching box and setting angle: the hydraulic pressure of tee T (1) is installed in step one
The installation site of signal switching box (3) is determined, when to be measured section of surrounding of fluid pressure line temperature is deposited around to be measured section of line temperature
When the position of signal switching box (3) can be accommodated, execution step 401；Not existing around to be measured section of fluid pressure line temperature can
During the position of receiving signal switching box (3), execution step 402；
Step 401, the setting angle of adjustment signal switching box (3) be not it is ensured that signal wire interface (4) is blocked, by step 3
Holding wire (8) extend into described inside the shell and electrically connect with signaling conversion circuit plate (10), by the flange installed part in step 3
(2) it is fixedly mounted on by screw on the shell of signal switching box (3), by attachment lug (5), signal switching box (3) is fixing
On the hydraulic system support around to be measured section of fluid pressure line temperature；
Step 402, will be separately installed with tee T (1) for signal switching box (3), on hydraulic system support search signal switching box
(3) installation site simultaneously adjusts setting angle fixed installation signal switching box (3) of signal switching box (3), is changed according to signal
Box (3) extends holding wire (8) with the relative distance of tee T (1)；
Temperature of liquid in step 5, to be measured section of fluid pressure line temperature of measurement: by extending into the platinum electricity of fluid pressure line centrage
Temperature of liquid in resistance (7) to be measured section of fluid pressure line temperature of collection, the resistance value that platinum resistance (7) exports is through signaling conversion circuit plate
(10) be converted to the discernible voltage signal of host computer；
The transmission of temperature of liquid data in step 6, to be measured section of fluid pressure line temperature: employing and signal wire interface (4) coordinate
Data wire, by the voltage signal obtaining in step 5 through in signal wire interface (4) remote transmission to the host computer monitoring interior.
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| CN201610945655.5A CN106370316B (en) | 2016-10-26 | 2016-10-26 | A kind of hydraulic system platinum resistance formula temperature sensor and its application method |
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| CN201610945655.5A CN106370316B (en) | 2016-10-26 | 2016-10-26 | A kind of hydraulic system platinum resistance formula temperature sensor and its application method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108169091A (en) * | 2018-01-14 | 2018-06-15 | 陕西东方长安航空科技有限公司 | A kind of servo valve contaminant sensitivity measures experimental rig and test method |
| CN108387324A (en) * | 2018-03-02 | 2018-08-10 | 成都凯天电子股份有限公司 | Pipeline internal medium temperature measuring transducer |
| CN109668943A (en) * | 2018-12-21 | 2019-04-23 | 北京放射性核素实验室 | A kind of gas component on-line measurement device |
| CN113701906A (en) * | 2021-08-26 | 2021-11-26 | 英业达科技有限公司 | Method for measuring liquid temperature in liquid cooling loop |
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