CN206132259U - Hydraulic system oil temperature monitoring devices - Google Patents
Hydraulic system oil temperature monitoring devices Download PDFInfo
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- CN206132259U CN206132259U CN201621171397.1U CN201621171397U CN206132259U CN 206132259 U CN206132259 U CN 206132259U CN 201621171397 U CN201621171397 U CN 201621171397U CN 206132259 U CN206132259 U CN 206132259U
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- amplifier
- oil liquid
- throw
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Abstract
The utility model discloses a hydraulic system oil temperature monitoring devices, including industrial computer and a plurality of oil temperature detection module, oil temperature detection module includes temperature sensor and data processing module, data processing module includes the shell, electronic circuit board and setting single -pole double -throw and the connector on shell of setting in the shell, the integration has the bandwidth -limited circuit who connects gradually on the electronic circuit board, signal conditioning circuit and singlechip, the singlechip is communicated through connector and industrial computer, single -pole double -throw is single -pole double -throw S1, single -pole double -throw S1's stationary contact passing signal line is connected with temperature sensor, movable contact of single -pole double -throw S1 meets with bandwidth -limited circuit's input, single -pole double -throw S1's another movable contact and signal conditioning circuit input meet. The utility model relates to a novelty, use nimble, can according to actual conditions can far can be near mounting data processing module, it is high that the temperature detects the precision, interference immunity is strong.
Description
Technical field
This utility model belongs to hydraulic system oil liquid temperature detection technical field, and in particular to a kind of Hydraulic System Oil liquid temperature
Degree monitoring device.
Background technology
Hydraulic system oil liquid temperature control adopts contact type temperature sensor or non-contact temperature sensor, contactless
Impression part is affixed on fluid pressure line outer wall using special bonding agent by temperature sensor, easy for installation, but is pipe due to what is experienced
Road outside wall temperature, so temperature measurement accuracy is low;Contact type temperature sensor metering system is accurate, but installation site is limited, mesh
The front platinum resistance for using and thermocouple temperature sensor when mounted, once installing, cannot change position, for hydraulic tube
For where in road, locational space is narrow and small, the data processing module supporting with temperature sensor installs more difficult, need to find
Suitable position, if during actual installation, when temperature sensor and the data processing module supporting with which apart from each other, number
It is interfered according to during transmission unavoidably, the data processing precision that collection is returned is low.Therefore, nowadays lack a kind of structure
Simply, low cost, hydraulic system oil liquid device for detecting temperature reasonable in design, according to temperature sensor and the data supporting with which
By single-pole double-throw switch (SPDT) selection signal tupe, the distance of processing module realizes that closely data processing speed is fast,
Remote data processing high precision, greatly enhances installation flexible.
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 hydraulic pressure
System oil liquid temperature monitoring device, which is novel in design rationally, using flexible, can according to practical situation can far can be near installation data
Processing module, temperature detecting precision are high, and strong interference immunity is practical, is easy to promote the use of.
To solve above-mentioned technical problem, the technical solution adopted in the utility model is:A kind of Hydraulic System Oil liquid temp prison
Survey device, it is characterised in that:Including industrial computer and multiple it are separately mounted to fluid pressure line position and are connected with industrial computer
For gathering the oil liquid temperature detection module of hydraulic system position oil liquid temperature, the oil liquid temperature detection module includes temperature
The degree sensor and data processing module for temperature sensor gathered data, the data processing module include shell,
It is arranged on the electronic circuit board of the inside the shell and single-pole double-throw switch (SPDT) on the housing is set and is used for data transfer
Adapter, bandwidth-limited circuit, signal conditioning circuit and the single-chip microcomputer being sequentially connected, institute are integrated with the electronic circuit board
State single-chip microcomputer to be communicated with industrial computer by adapter, the single-pole double-throw switch (SPDT) be single-pole double-throw switch (SPDT) S1, the hilted broadsword
The stationary contact of commutator S1 is connected with temperature sensor by holding wire, a movable contact of the single-pole double-throw switch (SPDT) S1 with
The input of bandwidth-limited circuit connects, another movable contact of the single-pole double-throw switch (SPDT) S1 and the input of signal conditioning circuit
End connects.
A kind of above-mentioned hydraulic system oil liquid device for detecting temperature, it is characterised in that:The temperature sensor is platinum resistance,
The platinum resistance is connected with the stationary contact of the single-pole double-throw switch (SPDT) S1.
A kind of above-mentioned hydraulic system oil liquid device for detecting temperature, it is characterised in that:The bandwidth-limited circuit includes fortune
Put U1 and amplifier U2, one of the in-phase input end Jing resistance R2 and resistance R1 and the single-pole double-throw switch (SPDT) S1 of amplifier U1
Movable contact connects, and the in-phase input end of amplifier U1 is grounded with the connection end Jing electric capacity C5 of resistance R2, the inverting input of amplifier U1
Jing resistance R6 is grounded, three tunnels of outfan point of amplifier U1, and Jing electric capacity C1 is connected with the connection end of resistance R2 and resistance R1 all the way, separately
Jing resistance R8 is grounded all the way, and the 3rd road Jing resistance R3 and resistance R4 is connected with the in-phase input end of amplifier U2;Amplifier U2 it is anti-phase
Input Jing resistance R7 is grounded, three tunnels of outfan point of amplifier U2, all the way the connection end of Jing electric capacity C2 and resistance R3 and resistance R4
Connect, another road Jing resistance R9 ground connection, the 3rd road Jing resistance R5 are connected with the input of signal conditioning circuit.
A kind of above-mentioned hydraulic system oil liquid device for detecting temperature, it is characterised in that:The signal conditioning circuit is signal
Amplifying circuit.
A kind of above-mentioned hydraulic system oil liquid device for detecting temperature, it is characterised in that:The adapter is adapter J599/
20WB99PN。
This utility model has advantages below compared with prior art:
1st, this utility model monitors the oil liquid temperature data of position in hydraulic system, each position simultaneously by industrial computer
The oil liquid temperature data at place are carried out data transmission using adapter J599/20WB99PN, adopt international standards to realize that part connects
Standardization and versatility, be easy to promote the use of.
2nd, this utility model temperature sensor carries out the transmission of data using holding wire, when temperature sensor in fluid pressure line
When nearby having the position of enough installation data processing modules, by single-pole double-throw switch (SPDT) gating signal modulate circuit directly to temperature
The data of sensor acquisition are processed, and speed is fast, and time delay is short;When in fluid pressure line, temperature sensor neighbouring position is not enough to peace
During dress data processing module, bandwidth-limited circuit is gated by single-pole double-throw switch (SPDT) and enters signal condition is being sent into after signal denoising
Circuit is processed to the data that temperature sensor is gathered, and strong interference immunity is reliable and stable.
3rd, the temperature number that this utility model bandwidth-limited circuit is gathered to temperature sensor using second order bandwidth-limited circuit
According to carrying out denoising, it is ensured that useful signal frequency range passes through, and using effect is good
4th, this utility model is novel in design rationally, small volume, using flexible, can according to practical situation can far can be near installation
Data processing module, it is practical, it is easy to promote the use of.
In sum, this utility model is novel in design rationally, using flexible, can according to practical situation can far can be near installation
Data processing module, temperature detecting precision are high, and strong interference immunity is practical, 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 schematic block circuit diagram of the present utility model.
Schematic block circuit diagrams of the Fig. 2 for this utility model oil liquid temperature detection module.
Fig. 3 is the circuit connecting relation schematic diagram of this utility model single-pole double-throw switch (SPDT) and bandwidth-limited circuit.
Description of reference numerals:
1-industrial computer;2-oil liquid temperature detection module;2-1-temperature sensor;
2-2-single-pole double-throw switch (SPDT);2-3-bandwidth-limited circuit;2-4-bandwidth-limited circuit;
2-5-single-chip microcomputer;2-6-adapter.
Specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, this utility model include industrial computer 1 and it is multiple be separately mounted to fluid pressure line everybody
The place of putting and it is connected to gather the oil liquid temperature detection module 2 of hydraulic system position oil liquid temperature with industrial computer 1, it is described
Oil liquid temperature detection module 2 includes temperature sensor 2-1 and the data processing mould for temperature sensor 2-1 gathered data
Block, the data processing module include shell, the electronic circuit board for being arranged on the inside the shell and arrange on the housing
Single-pole double-throw switch (SPDT) 2-2 and the adapter 2-6 for data transfer, the band being sequentially connected is integrated with the electronic circuit board
Bandpass filter circuit 2-3, signal conditioning circuit 2-4 and single-chip microcomputer 2-5, the single-chip microcomputer 2-5 is by adapter 2-6 and industrial computer 1
Communicated, the single-pole double-throw switch (SPDT) 2-2 is single-pole double-throw switch (SPDT) S1, and the stationary contact of the single-pole double-throw switch (SPDT) S1 is by letter
Number line is connected with temperature sensor 2-1, a movable contact of the single-pole double-throw switch (SPDT) S1 and the input of bandwidth-limited circuit 2-3
End connects, and another movable contact of the single-pole double-throw switch (SPDT) S1 is connected with the input of signal conditioning circuit 2-4.
When actual installation is used, having near the temperature sensor 2-1 in fluid pressure line somewhere
During the position of the data processing module of sensor 2-1 connections, temperature sensor 2-1 connection holding wires are directly installed on data processing
On the shell of module, distance is near, by single-pole double-throw switch (SPDT) 2-2 gating signal modulate circuits 2-4 directly to the temperature sensor
The data of 2-1 collections are processed, and speed is fast, and time delay is short;When the temperature sensor 2-1 neighbouring positions deficiency in fluid pressure line somewhere
To install during the position of the data processing module being connected with temperature sensor 2-1, the holding wire of temperature sensor 2-1 prolongs
Long, distance is remote, and data processing module gates bandwidth-limited circuit by single-pole double-throw switch (SPDT) 2-2 by finding suitable position
2-3 enters to process the data that temperature sensor 2-1 is gathered in feeding signal conditioning circuit 2-4 after signal denoising, resists dry
Immunity is strong, and using effect is good.
In the present embodiment, the temperature sensor 2-1 is platinum resistance, and the platinum resistance is with the single-pole double-throw switch (SPDT) S1's
Stationary contact connects.
It should be noted that can be directly protruding into fluid pressure line using platinum resistance measuring oil liquid temperature, measurement is accurate.
As shown in figure 3, in the present embodiment, the bandwidth-limited circuit 2-3 includes amplifier U1 and amplifier U2, amplifier U1
In-phase input end Jing resistance R2 and resistance R1 connect with a movable contact of the single-pole double-throw switch (SPDT) S1, the homophase of amplifier U1
The connection end Jing electric capacity C5 ground connection of input and resistance R2, the inverting input Jing resistance R6 ground connection of amplifier U1, amplifier U1 it is defeated
Go out tri- tunnels of Duan Fen, Jing electric capacity C1 is connected with the connection end of resistance R2 and resistance R1 all the way, another road Jing resistance R8 ground connection, the 3rd tunnel
Jing resistance R3 and resistance R4 are connected with the in-phase input end of amplifier U2;The inverting input Jing resistance R7 ground connection of amplifier U2, amplifier
The outfan of U2 divides three tunnels, and Jing electric capacity C2 is connected with the connection end of resistance R3 and resistance R4 all the way, another road Jing resistance R9 ground connection,
3rd road Jing resistance R5 is connected with the input of signal conditioning circuit 2-4.
It should be noted that bandwidth-limited circuits of the bandwidth-limited circuit 2-3 using two-level concatenation, it is ensured that effective signal
Frequency range passes through, reliable and stable.
In the present embodiment, the signal conditioning circuit 2-4 is signal amplification circuit.
The faint temperature data for gathering is amplified to that single-chip microcomputer 2-5 can be processed and treatment effect is preferable by signal amplification circuit
Multiple, improve temperature data accuracy of identification.
In the present embodiment, the adapter 2-6 is adapter J599/20WB99PN, adopts international standards to realize that part connects
The standardization for connecing and versatility.
When this utility model is used, the oil liquid temperature detection module 2 of fluid pressure line position is each to fluid pressure line respectively
Oil liquid temperature at position is acquired process respectively, adopts during installation, according to
Actual installation distance selects data processing mode, and the oil liquid temperature detection module 2 of fluid pressure line position can be simultaneously to industry control
Machine 1 uploads temperature monitoring result, complete function.
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 (5)
1. a kind of hydraulic system oil liquid device for detecting temperature, it is characterised in that:Including industrial computer (1) and multiple it is separately mounted to liquid
Pressure pipe road position and it is connected to gather the oil liquid temperature inspection of hydraulic system position oil liquid temperature with industrial computer (1)
Module (2) is surveyed, the oil liquid temperature detection module (2) is including temperature sensor (2-1) and is used for temperature sensor (2-1)
The data processing module of gathered data, the data processing module include shell, are arranged on the electronic circuit board of the inside the shell
And single-pole double-throw switch (SPDT) (2-2) on the housing and the adapter (2-6) for data transfer, the electric wire are set
Bandwidth-limited circuit (2-3), signal conditioning circuit (2-4) and the single-chip microcomputer (2-5) being sequentially connected, the list are integrated with the plate of road
Piece machine (2-5) is communicated with industrial computer (1) by adapter (2-6), and the single-pole double-throw switch (SPDT) (2-2) is opened for single-pole double throw
S1 is closed, the stationary contact of the single-pole double-throw switch (SPDT) S1 is connected with temperature sensor (2-1) by holding wire, and the single-pole double throw is opened
A movable contact for closing S1 is connected with the input of bandwidth-limited circuit (2-3), and another of the single-pole double-throw switch (SPDT) S1 is moved
Contact is connected with the input of signal conditioning circuit (2-4).
2. according to a kind of hydraulic system oil liquid device for detecting temperature described in claim 1, it is characterised in that:The temperature sensing
Device (2-1) is platinum resistance, and the platinum resistance is connected with the stationary contact of the single-pole double-throw switch (SPDT) S1.
3. according to a kind of hydraulic system oil liquid device for detecting temperature described in claim 1 or 2, it is characterised in that:The band logical
Filter circuit (2-3) includes amplifier U1 and amplifier U2, the in-phase input end Jing resistance R2 and resistance R1 of amplifier U1 with it is described
One movable contact of single-pole double-throw switch (SPDT) S1 connects, and the in-phase input end of amplifier U1 is connect with the connection end Jing electric capacity C5 of resistance R2
Ground, the inverting input Jing resistance R6 ground connection of amplifier U1, three tunnels of the outfan of amplifier U1 point, all the way Jing electric capacity C1 and resistance R2 and
The connection end of resistance R1 connects, and another road Jing resistance R8 ground connection, the 3rd road Jing resistance R3 and resistance R4 are defeated with the homophase of amplifier U2
Enter end to connect;The inverting input Jing resistance R7 ground connection of amplifier U2, the outfan of amplifier U2 divide three tunnels, all the way Jing electric capacity C2 and electricity
The connection end of resistance R3 and resistance R4 connects, another road Jing resistance R9 ground connection, the 3rd road Jing resistance R5 and signal conditioning circuit (2-4)
Input connect.
4. according to a kind of hydraulic system oil liquid device for detecting temperature described in claim 3, it is characterised in that:The signal condition
Circuit (2-4) is signal amplification circuit.
5. according to a kind of hydraulic system oil liquid device for detecting temperature described in claim 3, it is characterised in that:The adapter
(2-6) it is adapter J599/20WB99PN.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621171397.1U CN206132259U (en) | 2016-10-26 | 2016-10-26 | Hydraulic system oil temperature monitoring devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621171397.1U CN206132259U (en) | 2016-10-26 | 2016-10-26 | Hydraulic system oil temperature monitoring devices |
Publications (1)
Publication Number | Publication Date |
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CN206132259U true CN206132259U (en) | 2017-04-26 |
Family
ID=58575956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201621171397.1U Active CN206132259U (en) | 2016-10-26 | 2016-10-26 | Hydraulic system oil temperature monitoring devices |
Country Status (1)
Country | Link |
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CN (1) | CN206132259U (en) |
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2016
- 2016-10-26 CN CN201621171397.1U patent/CN206132259U/en active Active
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