CN201378156Y

CN201378156Y - Monitoring device of water content in oil medium

Info

Publication number: CN201378156Y
Application number: CN200920099236U
Authority: CN
Inventors: 李峰; 潘兆武; 王晓刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-03-05
Filing date: 2009-03-05
Publication date: 2010-01-06
Anticipated expiration: 2019-03-05

Abstract

The utility model provides a monitoring device of water content in oil medium, which relates to a monitoring device. The provided monitoring device aims at solving the problems that present monitoring equipment cannot exactly monitor the water content in the oil medium, and cannot timely send alarm or carry out tripping as well as machine halt protection. The monitoring device comprises a signal collecting module, a core control module, an LED digital display module and a first alarm module. The data signal output end of the signal collecting module is connected with the data signal input end of the core control module, the first data output end of the core control module is connected with the data input end of the LED digital display module, and the second signal output end of the core control module is connected with the signal input end of the first alarm module. The monitoring device can exactly monitor the water content in the oil medium, can timely send alarm or carry out tripping as well as machine halt protection, and can be widely used for monitoring and sending alarm about the water content ratio of other liquid media.

Description

The monitoring device of water content in the oil medium

Technical field

The utility model relates to a kind of monitoring device, is specifically related to a kind of monitoring device of water content.

Background technology

When hydrogenerator or turbodynamo high-speed cruising, need a large amount of chilled waters to come its turning axle is cooled off,, the oil lubrication effect is descended if still chilled water is sneaked in the lubricating oil, cause the turning axle high temperature wear, even the accident that causes the surface to burn.The monitoring instrument of water content can not accurately be monitored water content in the oily medium in the existing oily medium, can not in time report to the police or the tripping grinder protection.

The utility model content

The utility model can not be monitored water content in the oily medium exactly in order to solve existing monitoring equipment, can not in time report to the police or the problem of tripping grinder protection, and propose the monitoring device of water content in a kind of oily medium.

The monitoring device of water content in the oil medium, it comprises signal acquisition module, kernel control module, the digital display module of LED and first alarm module; The data-signal output terminal of signal acquisition module links to each other with the data-signal input end of kernel control module; First data output end of kernel control module links to each other with the data input pin of the digital display module of LED, and the secondary signal output terminal of kernel control module links to each other with the signal input part of first alarm module.

Water content in the utility model energy precise monitoring oil medium; and intuitively show by the digital display module of LED; first alarm module is compared detected water content numerical value with predefined alarming value; as detect the water content value greater than the alarming value of setting; in time give the alarm or carry out automatic trip protection; prevent that effectively the oil lubrication effect from descending; cause the turning axle high temperature wear; even causing the burn generation of accident of surface, the utility model can be widely used as the water percentage monitoring of other liquid medium and report to the police.

Description of drawings

Fig. 1 is an electrical structure synoptic diagram of the present utility model; Fig. 2 is the circuit diagram of signal acquisition module 1; Fig. 3 is the structural representation of capacitance type sensor C1.

Embodiment

Embodiment one: in conjunction with Fig. 1 present embodiment is described, present embodiment comprises signal acquisition module 1, kernel control module 2, the digital display module 3 of LED and first alarm module 4; The data-signal output terminal of signal acquisition module 1 links to each other with the data-signal input end of kernel control module 2; First data output end of kernel control module 2 links to each other with the data input pin of the digital display module 3 of LED, and the secondary signal output terminal of kernel control module 2 links to each other with the signal input part of first alarm module 4.

Embodiment two: in conjunction with Fig. 1 present embodiment is described, present embodiment and embodiment one difference are that it has also increased by second alarm module 5; The signal input part of second alarm module 5 links to each other with the 3rd signal output part of kernel control module 2.Other composition is identical with embodiment one with connected mode.Purpose is to improve the accuracy of warning and the reliability of automatic trip action.

Embodiment three: in conjunction with Fig. 1 present embodiment is described, present embodiment and embodiment two differences are that it has also increased electric current output module 6; The signal input part of electric current output module 6 links to each other with the 4th signal output part of kernel control module 2.Other composition is identical with embodiment two with connected mode.The electric current output that electric current output module 6 can be realized 4～20mA realizes the purpose to other functional module power supply.

Embodiment four: in conjunction with Fig. 1, Fig. 2 present embodiment is described, present embodiment and embodiment one, two or three differences are that signal acquisition module 1 is made up of the first chip U1, the second chip U2, the 3rd chip U3, capacitance type sensor C1, second capacitor C 2～the 11 capacitor C the 11, the 19 capacitor C 19, first resistance R 1～the 11 resistance R the 11, the 13 resistance R 13, the first diode D1 and the first adjustable resistance RW1～the 3rd adjustable resistance RW3; The pin COSC of the first chip U1 links to each other with an end of the 4th capacitor C 4 and an end of the 5th capacitor C 5 respectively, and an end of the other end of the other end of the 4th capacitor C 4, the 5th capacitor C 5, the end of capacitance type sensor C1, second capacitor C 2 links to each other with ground wire with an end of the 3rd capacitor C 3 simultaneously; The other end of capacitance type sensor C1 links to each other with an end of first resistance R 1, and the other end of first resistance R 1 links to each other with the pin CM of the first chip U1; The other end of the other end of second capacitor C 2 and the 3rd capacitor C 3 links to each other with an end of second resistance R 2 simultaneously; The other end of second resistance R 2 links to each other with the pin CR of the first chip U1; The pin RCR of the first chip U1 links to each other with an end of the 4th resistance R 4, and an end of the other end of the 4th resistance R 4 and the 5th resistance R 5 links to each other with an end of the 3rd resistance R 3 simultaneously; The other end of the 3rd resistance R 3 links to each other with ground wire; The other end of the 5th resistance R 5 links to each other with the pin RCM of the first chip U1, and the pin Rosc of the first chip U1 links to each other with an end of the 7th resistance R 7, and the other end of the 7th resistance R 7 links to each other with ground wire; One end of the pin GND of the first chip U1, an end of the 19 capacitor C 19, the 6th capacitor C 6 and an end of the 13 resistance R 13 link to each other with ground wire respectively; The other end of the 19 capacitor C 19 links to each other with the pin CL1 of the first chip U1, and the other end of the 6th capacitor C 6 links to each other with the pin CL2 of the first chip U1; The other end of the 13 resistance R 13 links to each other with an end of the 6th resistance R 6 and the stiff end of the 3rd adjustable resistance RW3 simultaneously; The other end of the 6th resistance R 6 links to each other with an end of the 8th resistance R 8, an end of the 7th capacitor C 7, the stiff end of the first adjustable resistance RW1 and the pin RL of the first chip U1 simultaneously; The adjustable end of the pin VCC of the first chip U1, the 3rd adjustable resistance RW3 links to each other with power supply VCC simultaneously; The other end of the 8th resistance R 8 links to each other with an end of the 8th capacitor C 8, an end of the 9th resistance R 9 and the pin VM of the first chip U1 respectively; The other end of the 8th capacitor C 8 links to each other with ground wire; The adjustable end of the pin LPOUT of the other end of the 7th capacitor C 7, the first chip U1 and the first adjustable resistance RW1 links to each other with an end of the tenth resistance R 10 simultaneously; The other end of the 9th resistance R 9 links to each other with pin-IN of the second chip U2, and the other end of the tenth resistance R 10 links to each other with pin+IN of the second chip U2; The adjustable end of the second adjustable resistance RW2 links to each other with pin-RG of the second chip U2 and pin+RG of the second chip U2 respectively with stiff end; Pin+VS of the second chip U2 links to each other with power supply+VCC with an end of the 9th capacitor C 9 respectively; The pin REF of the other end of the 9th capacitor C 9 and the second chip U2 links to each other with ground wire simultaneously; One end of the pin-VS of the second chip U2 and the tenth capacitor C 10 links to each other with power supply-VEE simultaneously; The other end of the tenth capacitor C 10 links to each other with ground wire; The pin OUT of the second chip U2 links to each other with an end of the 11 resistance R 11, the negative electrode of one end of the other end of the 11 resistance R 11, the 11 capacitor C 11 and the first diode D1 links to each other with the pin 3 of the 3rd chip U3 simultaneously, and the other end of the 11 capacitor C 11 links to each other with ground wire; The anode of the first diode D1 links to each other with ground wire; The pin two of the 3rd chip U3 links to each other with the pin one of the 3rd chip U3; The pin one of the 3rd chip U3 is the data-signal output terminal of signal acquisition module 1.Other composition is identical with embodiment one, two or three with connected mode.

Embodiment five: in conjunction with Fig. 3 present embodiment is described, present embodiment and embodiment four differences are that capacitance type sensor C1 is made up of cylinder 11, cylinder 12 and two outer guide lines; Cylinder 11, cylinder 12 are sensor the two poles of the earth, and cylinder 11 places the center of cylinder 12, and two outer guide lines are connected on cylinder 11 and the cylinder 12.Other composition is identical with embodiment four with connected mode.When medium medium dielectric constant microwave medium that sensor inserted changed, the capacitance of sensor also changed thereupon.

The utility model content is not limited only to the content of the respective embodiments described above, and the combination of one of them or several embodiments equally also can realize the purpose of inventing.

Principle of work of the present utility model:

It is main according to after sneaking into moisture content in the oily medium, and the principle that the specific inductive capacity parameter changes is monitored by capacitance type sensor collection conduction and the measuring principle that changes into the electric capacitance change amount.The preheating 30 minutes of before at first using the utility model being switched on, and the electrode fundamental measurement section of signal acquisition module 1 immersed in the oily medium fully, the preheating purpose is to make measurement result accurate, operational effect is good; The capacitance change that capacitance type sensor by signal acquisition module 1 collects; amplify and processing through signal; the analog quantity of exporting respective change is in real time sent into that kernel control module 2 is handled and the result is shown by the digital display module 3 of LED; result and predefined alarm setting value compare; if when detecting result greater than alarm setting value;

first alarm module

4 and 5 actions of second alarm module realize reporting to the police and automatic trip is shut down.

Claims

1, the monitoring device of water content in the oily medium is characterized in that it comprises signal acquisition module (1), kernel control module (2), the digital display module (3) of LED and first alarm module (4); The data-signal output terminal of signal acquisition module (1) links to each other with the data-signal input end of kernel control module (2); First data output end of kernel control module (2) links to each other with the data input pin of the digital display module of LED (3), and the secondary signal output terminal of kernel control module (2) links to each other with the signal input part of first alarm module (4).

2, the monitoring device of water content in the oily medium according to claim 1 is characterized in that it also comprises second alarm module (5); The signal input part of second alarm module (5) links to each other with the 3rd signal output part of kernel control module (2).

3, the monitoring device of water content in the oily medium according to claim 2 is characterized in that it also comprises electric current output module (6); The signal input part of electric current output module (6) links to each other with the 4th signal output part of kernel control module (2).

4,, it is characterized in that signal acquisition module (1) is made up of the first chip U1, the second chip U2, the 3rd chip U3, capacitance type sensor C1, second capacitor C 2～the 11 capacitor C the 11, the 19 capacitor C 19, first resistance R 1～the 11 resistance R the 11, the 13 resistance R 13, the first diode D1 and the first adjustable resistance RW1～the 3rd adjustable resistance RW3 according to the monitoring device of water content in claim 1, the 2 or 3 described oily media; The pin COSC of the first chip U1 links to each other with an end of the 4th capacitor C 4 and an end of the 5th capacitor C 5 respectively, and an end of the other end of the other end of the 4th capacitor C 4, the 5th capacitor C 5, the end of capacitance type sensor C1, second capacitor C 2 links to each other with ground wire with an end of the 3rd capacitor C 3 simultaneously; The other end of capacitance type sensor C1 links to each other with an end of first resistance R 1, and the other end of first resistance R 1 links to each other with the pin CM of the first chip U1; The other end of the other end of second capacitor C 2 and the 3rd capacitor C 3 links to each other with an end of second resistance R 2 simultaneously; The other end of second resistance R 2 links to each other with the pin CR of the first chip U1; The pin RCR of the first chip U1 links to each other with an end of the 4th resistance R 4, and an end of the other end of the 4th resistance R 4 and the 5th resistance R 5 links to each other with an end of the 3rd resistance R 3 simultaneously; The other end of the 3rd resistance R 3 links to each other with ground wire; The other end of the 5th resistance R 5 links to each other with the pin RCM of the first chip U1, and the pin Rosc of the first chip U1 links to each other with an end of the 7th resistance R 7, and the other end of the 7th resistance R 7 links to each other with ground wire; One end of the pin GND of the first chip U1, an end of the 19 capacitor C 19, the 6th capacitor C 6 and an end of the 13 resistance R 13 link to each other with ground wire respectively; The other end of the 19 capacitor C 19 links to each other with the pin CL1 of the first chip U1, and the other end of the 6th capacitor C 6 links to each other with the pin CL2 of the first chip U1; The other end of the 13 resistance R 13 links to each other with an end of the 6th resistance R 6 and the stiff end of the 3rd adjustable resistance RW3 simultaneously; The other end of the 6th resistance R 6 links to each other with an end of the 8th resistance R 8, an end of the 7th capacitor C 7, the stiff end of the first adjustable resistance RW1 and the pin RL of the first chip U1 simultaneously; The adjustable end of the pin VCC of the first chip U1, the 3rd adjustable resistance RW3 links to each other with power supply VCC simultaneously; The other end of the 8th resistance R 8 links to each other with an end of the 8th capacitor C 8, an end of the 9th resistance R 9 and the pin VM of the first chip U1 respectively; The other end of the 8th capacitor C 8 links to each other with ground wire; The adjustable end of the pin LPOUT of the other end of the 7th capacitor C 7, the first chip U1 and the first adjustable resistance RW1 links to each other with an end of the tenth resistance R 10 simultaneously; The other end of the 9th resistance R 9 links to each other with pin-IN of the second chip U2, and the other end of the tenth resistance R 10 links to each other with pin+IN of the second chip U2; The adjustable end of the second adjustable resistance RW2 links to each other with pin-RG of the second chip U2 and pin+RG of the second chip U2 respectively with stiff end; Pin+VS of the second chip U2 links to each other with power supply+VCC with an end of the 9th capacitor C 9 respectively; The pin REF of the other end of the 9th capacitor C 9 and the second chip U2 links to each other with ground wire simultaneously; One end of the pin-VS of the second chip U2 and the tenth capacitor C 10 links to each other with power supply-VEE simultaneously; The other end of the tenth capacitor C 10 links to each other with ground wire; The pin OUT of the second chip U2 links to each other with an end of the 11 resistance R 11, the negative electrode of one end of the other end of the 11 resistance R 11, the 11 capacitor C 11 and the first diode D1 links to each other with the pin 3 of the 3rd chip U3 simultaneously, and the other end of the 11 capacitor C 11 links to each other with ground wire; The anode of the first diode D1 links to each other with ground wire; The pin two of the 3rd chip U3 links to each other with the pin one of the 3rd chip U3; The pin one of the 3rd chip U3 is the data-signal output terminal of signal acquisition module (1).

5, the monitoring device of water content in the oily medium according to claim 4 is characterized in that capacitance type sensor C1 is made up of cylinder (11), cylinder (12) and two outer guide lines; Cylinder (11), cylinder (12) are sensor the two poles of the earth, and cylinder (11) places the center of cylinder (12), and two outer guide lines are connected on cylinder (11) and the cylinder (12).