CN112198300A - Device for detecting moisture content in lubricating oil - Google Patents
Device for detecting moisture content in lubricating oil Download PDFInfo
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- CN112198300A CN112198300A CN202011221379.0A CN202011221379A CN112198300A CN 112198300 A CN112198300 A CN 112198300A CN 202011221379 A CN202011221379 A CN 202011221379A CN 112198300 A CN112198300 A CN 112198300A
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- Prior art keywords
- sampling
- oil
- lubricating oil
- detection tank
- moisture content
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; viscous liquids; paints; inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2835—Oils, i.e. hydrocarbon liquids specific substances contained in the oil or fuel
- G01N33/2847—Water in oil
Abstract
The invention discloses a device for detecting the moisture content in lubricating oil, which comprises a detection tank, a plurality of sampling assemblies, a measuring assembly and a visible measuring cavity, wherein the sampling assemblies are respectively fixed on two sides of the lower end of the detection tank; the sampling assembly comprises a distribution block, a plurality of connecting blocks and a sampling hose joint; the measuring component comprises a mounting bracket, an oil-in-water sensor, a direct-current power supply, an orange indicator light, a red indicator light and a buzzer; the visual measuring cavity is communicated with the detection tank, and the probe of the water-in-oil sensor extends into one side of the visual measuring cavity. The invention has simple structure, is simple and portable, can be installed at any place on the diesel engine, can simultaneously detect the moisture content in the lubricating oil at different pipeline sampling points on one diesel engine, can also simultaneously monitor the moisture content in the lubricating oil at a plurality of different sampling points on a plurality of diesel engines, is very convenient to use, and can also transmit an alarm signal to an alarm monitoring system in time.
Description
Technical Field
The invention relates to a lubricating oil detection device, in particular to a water detection device in marine diesel engine lubricating oil, and belongs to the technical field of diesel engine detection equipment.
Background
The marine low-speed diesel engine comprises a plurality of key parts, the lubricating oil mainly plays a role in lubricating and cooling for the key parts, the related parts can be rusted when the moisture content in the lubricating oil exceeds the standard, the relevant parts need to be dismounted for rust removal, repair and the like, and the moisture content in the lubricating oil needs to be strictly monitored in order to avoid unnecessary operation. When the diesel engine carries out bench test, required lubricating oil comes from the auxiliary machinery room, and the auxiliary machinery room can be equipped with oil-water separator and relevant profit detection device usually, and a lot of diesel engines also can install oily water sensor and detect moisture content in the lubricating oil on the lubricating oil inlet is responsible for. However, due to the limitation of the number of the station control systems and the test conditions of equipment wiring and power-on, an alarm signal measured by a sensor cannot be transmitted to the alarm monitoring system, so that the alarm monitoring system cannot send a speed reduction request, and the normal operation of the diesel engine is affected.
Disclosure of Invention
The invention aims to provide a device for detecting the moisture content in lubricating oil, which can simultaneously detect the moisture in the lubricating oil of a plurality of pipelines on a diesel engine and timely transmit an alarm signal to a monitoring system.
The invention is realized by the following technical scheme:
a device for detecting the moisture content in lubricating oil comprises a detection tank, a plurality of sampling assemblies, a measuring assembly and a visual measuring cavity, wherein the sampling assemblies are respectively fixed on two sides of the lower end of the detection tank; the sampling assembly comprises a distribution block, a plurality of connecting blocks and a sampling hose joint, the distribution block is fixedly connected with the detection tank, a plurality of through sampling channels are arranged at the bottom of the distribution block, the connecting blocks are fixedly arranged at the top of the distribution block side by side, oil inlets at the bottoms of the connecting blocks are respectively communicated with the sampling channels on the distribution block, oil outlets at the inner sides of the connecting blocks are respectively communicated with the detection tank, one end of the sampling hose joint is connected with a sampling channel port of the distribution block, and the other end of the sampling hose joint is connected with a lubricating oil sampling point; the measuring assembly comprises a mounting bracket, an oil-water sensor, a direct-current power supply, an orange indicator lamp, a red indicator lamp and a buzzer, the mounting bracket is fixed on a boss on the other side of the detection tank, the oil-water sensor is fixed at the upper end of the mounting bracket, the direct-current power supply is fixed on the inner side of the lower end of the mounting bracket, the direct-current power supply is connected with the oil-water sensor, the orange indicator lamp, the red indicator lamp and the buzzer are fixed on the outer side of the lower end of the mounting bracket side by side, and the orange indicator lamp, the red indicator lamp and the buzzer are; the visual measuring cavity is communicated with the detection tank, a probe of the oil-in-water sensor extends into one side of the visual measuring cavity, and the discharge joint is connected with a discharge port of the visual measuring cavity.
The object of the invention is further achieved by the following technical measures.
In the device for detecting the moisture content in the lubricating oil, a plurality of regulating valves are arranged outside the distribution block, and the regulating valves are respectively connected with the corresponding sampling channels; the bottom of the distribution block is also provided with a plurality of choke plugs which are respectively blocked on the rest sampling channel openings.
According to the device for detecting the moisture content in the lubricating oil, the pressure gauges are respectively arranged at the tops of the connecting blocks, and the sealing rings are arranged between the oil outlets of the connecting blocks and the detection tank.
According to the device for detecting the moisture content in the lubricating oil, the visual measuring cavity is an arc-shaped plastic product with an open inner side and is fixed on the detection tank through the shifting block, and a sealing ring is arranged at the communication part of the visual measuring cavity and the detection tank.
The invention has simple structure, low cost, simplicity and portability, and can be installed at any suitable place on the diesel engine, so that the detection of the moisture content in the lubricating oil is not limited to the conditions of station control system quantity, equipment wiring energization and the like. Because each distribution block is provided with a plurality of sampling channels, and the number of the distribution blocks can be increased or decreased according to actual conditions, the invention not only can simultaneously detect the moisture content in the lubricating oil of different pipeline sampling points on one diesel engine, but also can simultaneously monitor the moisture content in the lubricating oil of a plurality of different sampling points on a plurality of diesel engines, even if the diesel engines do not have the condition of power-on test, even if the diesel engines are not folded or are not placed on the bench, the detection can be carried out as long as the lubricating oil enters the diesel engines, and the use is very convenient. The invention can transmit the detection alarm signal to the alarm monitoring system in time, and the alarm monitoring system sends the speed reduction request, thereby ensuring the normal operation of the diesel engine.
Advantages and features of the present invention will be illustrated and explained by the following non-restrictive description of preferred embodiments thereof, given by way of example only with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic perspective exploded view of the present invention;
FIG. 2 is a schematic view of the exploded perspective structure in the direction A of FIG. 1;
fig. 3 is a partial cross-sectional view of the present invention.
Detailed Description
The invention is further illustrated by the following figures and examples.
As shown in fig. 1, 2 and 3, the invention comprises a detection tank 1, two sampling assemblies 2, a measurement assembly 3 and a visible measurement cavity 4, wherein the detection tank 1 is a metal tank body, the two sampling assemblies 2 are respectively fixed on two sides of the lower end of the detection tank 1, and the measurement assembly 3 and the visible measurement cavity 4 are respectively fixed on the other two sides of the detection tank 1. The sampling assembly 2 comprises a distribution block 21, three connecting blocks 22 and a sampling hose joint 23, the distribution block 21 is fixedly connected with the detection tank 1 through a fastener, three through sampling channels 211 are arranged at the bottom of the distribution block 21, the number of the distribution block 21 can be changed according to actual needs to increase or decrease the number of the channels, three regulating valves 24 are arranged on the outer side of the distribution block 21, and the three regulating valves 24 are respectively connected with the corresponding three sampling channels 211. Three connecting blocks 22 set firmly in distribution piece 21 top side by side, the oil inlet 221 of its bottom communicates with three sampling passageway 211 on the distribution piece 21 respectively, the inboard oil-out 222 of three connecting block 22 communicates with detecting jar 1 respectively, be equipped with the sealing washer between connecting block oil-out 222 and the detection jar 1, the top of three connecting block 22 is equipped with manometer 223 respectively, be used for instructing the lubricating oil pressure of different sampling passageway 211 inputs, and cooperate the governing valve 24 on the distribution piece 21 to adjust the proportion of the different sampling point lubricating oil that enters into detecting jar 1. One end of the sampling hose connector 23 is connected with a sampling channel port of the distribution block 21, the other end of the sampling hose connector 23 is connected with a lubricating oil sampling point, the hose can be configured to be proper in length according to requirements, the other end of the sampling hose connector 23 is a root valve, and connectors of different specifications can be configured according to different interface sizes of different sampling points. Two plugs 25 are also arranged at the bottom of the distribution block 21, and the two plugs 25 are respectively blocked on the rest two sampling channel ports.
The measuring assembly 3 comprises a mounting bracket 31, a water-in-oil sensor 32, a direct current power supply 33, an orange indicator lamp 34, a red indicator lamp 35 and a buzzer 36. The mounting bracket 31 is fixed on a boss on the other side of the detection tank 1 through a fastener, the oil-water sensor 32 is fixed at the upper end of the mounting bracket 31 through a fastener, a probe 321 of the oil-water sensor 32 extends into one side of the visible measurement cavity 4, a display interface capable of reading measurement data is arranged on the oil-water sensor 32, the display interface can display the water content in oil and the temperature of lubricating oil, the oil-water sensor 32 measures and outputs a 4-20 mA current signal corresponding to the water content in oil of 0-1 aw, for a diesel engine, the high-value alarm value is usually 0.5aw, and the ultra-high-value alarm value is 0.9 aw. The direct-current power supply 33 is fixed at the lower end of the mounting bracket 31, the direct-current power supply 33 is electrically connected with the oil-water sensor 32 to provide a stable power supply for the oil-water sensor 32, the orange indicator lamp 34, the red indicator lamp 35 and the buzzer 36 are fixed on the lower end of the mounting bracket 31 side by side and are respectively connected with corresponding output signal channels of the oil-water sensor 32 and respectively provide local indication and alarm prompt for the high water content value and the ultrahigh water content value in the lubricating oil.
The visual measuring cavity 4 is an arc-shaped plastic product with an open inner side and is fixed on the detection tank 1 through a shifting block, the inner side of the visual measuring cavity 4 is communicated with the detection tank 1, a sealing ring is arranged between the visual measuring cavity 4 and the detection tank 1, and when the visual measuring cavity 4 is pushed into the detection tank 1 and is attached to the sealing ring, the shifting block is rotated to fix the visual measuring cavity and the detection tank 1. The probe measurement of the water-in-oil sensor 32 can be observed through the visual measurement chamber 4. The drain joint 41 is connected with a drain port of the visual measuring cavity 4 and is responsible for draining the lubricating oil from the drain port of the visual measuring cavity 4, and the opening degree of the drain manual operation valve can be controlled.
In this embodiment, there are three sampling channels 211 on each of the two distribution blocks 21, and if only one sampling channel 211 is needed to sample oil at one point, the sampling hose connector 23 is connected to the sampling channel 211, and the rest sampling channels 211 are sealed by the plug 25. If the six sampling channels 211 are used to simultaneously sample the oil at six points, six sampling hose connectors 23 are prepared to be connected to the six sampling channels 211. Assuming that six sampling channels 211 are currently used for sampling lubricating oil at six points, as shown in fig. 3, during detection, the sampling lubricating oil at six points respectively flows into the corresponding sampling channels 211 through respective sampling hose joints 23, then flows in from the sampling channels 211 through oil inlets 221 of the connecting block 22, enters into the detection tank 1 from oil outlets 222 of the connecting block 22, the sampling lubricating oil at six points fully mixes in the detection tank 1, enters into the visible measurement cavity 4, turns on the direct current power supply 33, the water-in-oil sensor 32 starts to work, when a numerical value is seen from a display interface of the water-in-oil sensor 32 to be higher, and an orange indicator lamp 34 or a red indicator lamp 35 and a buzzer 36 have alarm indications, the proportion of the sampling lubricating oil input by the six sampling channels 211 is sequentially adjusted by using the regulating valve 24 on the distribution block 21, if the measured water content numerical value in the lubricating oil fluctuates, after the lubricating oil with a certain sampling channel 211 closed is input, the value of the moisture content in the lubricating oil is normal, and then the moisture content in the lubricating oil of the sampling point corresponding to the sampling channel 211 can be judged to be abnormal.
In addition to the above embodiments, the present invention may have other embodiments, and any technical solutions formed by equivalent substitutions or equivalent transformations fall within the scope of the claims of the present invention.
Claims (4)
1. A moisture content detection device in lubricating oil, its characterized in that: the device comprises a detection tank, a plurality of sampling assemblies, a measuring assembly and a visual measuring cavity, wherein the sampling assemblies are respectively fixed on two sides of the lower end of the detection tank; the sampling assembly comprises a distribution block, a plurality of connecting blocks and a sampling hose joint, the distribution block is fixedly connected with the detection tank, a plurality of through sampling channels are arranged at the bottom of the distribution block, the connecting blocks are fixedly arranged at the top of the distribution block side by side, oil inlets at the bottoms of the connecting blocks are respectively communicated with the sampling channels on the distribution block, oil outlets at the inner sides of the connecting blocks are respectively communicated with the detection tank, one end of the sampling hose joint is connected with a sampling channel port of the distribution block, and the other end of the sampling hose joint is connected with a lubricating oil sampling point; the measuring assembly comprises a mounting bracket, an oil-water sensor, a direct-current power supply, an orange indicator lamp, a red indicator lamp and a buzzer, the mounting bracket is fixed on a boss on the other side of the detection tank, the oil-water sensor is fixed at the upper end of the mounting bracket, the direct-current power supply is fixed on the inner side of the lower end of the mounting bracket, the direct-current power supply is connected with the oil-water sensor, the orange indicator lamp, the red indicator lamp and the buzzer are fixed on the outer side of the lower end of the mounting bracket side by side, and the orange indicator lamp, the red indicator lamp and the buzzer are; the visual measuring cavity is communicated with the detection tank, a probe of the oil-in-water sensor extends into one side of the visual measuring cavity, and the discharge joint is connected with a discharge port of the visual measuring cavity.
2. The apparatus for detecting the moisture content in a lubricating oil according to claim 1, wherein: a plurality of regulating valves are arranged on the outer side of the distribution block and are respectively connected with a plurality of corresponding sampling channels; the bottom of the distribution block is also provided with a plurality of choke plugs which are respectively blocked on the rest sampling channel openings.
3. The apparatus for detecting the moisture content in a lubricating oil according to claim 1, wherein: the top of each of the connecting blocks is provided with a pressure gauge, and a sealing ring is arranged between the oil outlet of each connecting block and the detection tank.
4. The apparatus for detecting the moisture content in a lubricating oil according to claim 1, wherein: the visual measuring cavity is an arc-shaped plastic product with an open inner side and is fixed on the detection tank through a shifting block, and a sealing ring is arranged at the communication part of the visual measuring cavity and the detection tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011221379.0A CN112198300A (en) | 2020-11-05 | 2020-11-05 | Device for detecting moisture content in lubricating oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011221379.0A CN112198300A (en) | 2020-11-05 | 2020-11-05 | Device for detecting moisture content in lubricating oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112198300A true CN112198300A (en) | 2021-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011221379.0A Pending CN112198300A (en) | 2020-11-05 | 2020-11-05 | Device for detecting moisture content in lubricating oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112198300A (en) |
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2020
- 2020-11-05 CN CN202011221379.0A patent/CN112198300A/en active Pending
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