CN211235449U

CN211235449U - Oil particle counter

Info

Publication number: CN211235449U
Application number: CN201921959809.1U
Authority: CN
Inventors: 付艳; 高俊涛; 王晓庆; 李凤来
Original assignee: Tianjin Honghe Technology Co ltd
Current assignee: Tianjin Honghe Technology Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-08-11
Anticipated expiration: 2029-11-14

Abstract

A counter for oil particles is characterized in that a rigid flow guide block is fixedly arranged in the middle of a shell; a first liquid path, a second liquid path and a horizontal liquid path are arranged in the rigid flow guide block, wherein the first liquid path and the second liquid path are both vertically arranged, and the top of the second liquid path is communicated with the first liquid path through the horizontal liquid path; the first liquid path is a transparent detection tube fixedly arranged in the rigid flow guide block, the top of the transparent detection tube is communicated with a first liquid outlet hole, and the bottom of the transparent detection tube is communicated with a liquid inlet hole; the bottom of the second liquid path is communicated with a second liquid outlet hole; the liquid inlet hole, the first liquid outlet hole and the second liquid outlet hole are all communicated with the outside of the shell; and detection holes are formed in the two side faces, facing the front cover and the rear cover, of the rigid flow guide block, and lens detection units for detecting fluid particles in the transparent detection pipes are fixedly arranged in the detection holes. The counter effectively solves the problem of gas accumulation in the detection liquid path, reduces adverse effects of bubbles and accumulated gas on detection precision, and is simple in structure and easy to realize.

Description

Oil particle counter

Technical Field

The utility model relates to a measuring equipment technical field relates to a counter, especially a fluid particle counter.

Background

With the application and development of modern hydraulic technology, hydraulic transmission is widely applied in the technical fields of aviation, mechanical manufacturing, petrochemical industry and the like, the workload of faults and maintenance is increased, and the reliability and the service life of elements of a hydraulic system are more prominent and important. With the use of a large number of components such as pumps, valves and various filters in mechanical equipment systems, the factors causing mechanical failure are increased, which may cause wear and corrosion of mechanical components, blockage of fine flow passages, and even failure of some key components.

At present, the content of solid particles in oil is an important index for detecting the oil pollution condition, so an oil particle counter is produced at present, but the counting precision of the existing oil particle counter cannot be ensured, bubbles in the oil are accumulated in detection equipment in the detection process, accumulated gas cannot be removed in time, the oil pressure is unstable, and the bubbles increase to interfere the optical detection precision.

Through searching the published patents, the following patent documents most relevant to the technical scheme are found:

an oil particle automatic counting tester (CN209525234U) discloses an oil particle automatic counting tester, which can reduce the probability of dust falling on the surface of an oil particle counter by adding a protective device; the supporting heights of the four groups of supporting legs are flexibly adjusted to reduce the difficulty of adjusting the stability of the oil particle counter according to the flatness condition of the placing surface; comprises an oil particle counter and four groups of supporting legs; the oil particle counter comprises an oil particle counter, a support plate, a protective cover, two groups of support rods, two groups of baffle plates, two groups of extrusion springs and two groups of clamping rods, wherein the bottom end of the oil particle counter is connected with the top end of the support plate, and a containing cavity is arranged inside the protective cover; the four-group telescopic lifting device is characterized by further comprising four groups of telescopic rods, four groups of adjusting rings and four groups of driving rods, the top ends of the four groups of supporting legs are connected with the left front side, the left rear side, the right front side and the right rear side of the bottom end of the supporting plate respectively, and four groups of telescopic cavities are arranged in the four groups of supporting legs respectively.

Through comparative analysis of the above published patent documents, the applicant believes that the technical problems, technical solutions and technical effects to be solved by the above mentioned documents are different from those of the present application, and through analysis, the above mentioned patents do not affect the novelty of the present application.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's weak point, provide a fluid particle counter, this counter has effectively solved the interior gas of detection liquid way and has stored up the problem, has reduced the bubble and has stored up gaseous adverse effect to detecting the precision, and simple structure, easily realizes.

An oil particle counter comprises a front cover, a shell and a rear cover which are sequentially fixedly connected by bolts, wherein the middle part of the front cover is provided with a detection window made of transparent glass, and the middle part of the shell is fixedly provided with a rigid flow guide block; a first liquid path, a second liquid path and a horizontal liquid path are arranged in the rigid flow guide block, wherein the first liquid path and the second liquid path are both vertically arranged, and the top of the second liquid path is communicated with the first liquid path through the horizontal liquid path; the first liquid path is a transparent detection tube fixedly arranged in the rigid flow guide block, the top of the transparent detection tube is communicated with a first liquid outlet hole, and the bottom of the transparent detection tube is communicated with a liquid inlet hole; the bottom of the second liquid path is communicated with a second liquid outlet hole; the liquid inlet hole, the first liquid outlet hole and the second liquid outlet hole are all communicated with the outside of the shell; and detection holes are formed in the two side faces, facing the front cover and the rear cover, of the rigid flow guide block, and lens detection units for detecting fluid particles in the transparent detection pipes are fixedly arranged in the detection holes.

The lens detection unit comprises a lens, a sealing ring, a pressure pad and a lock nut which are fixedly arranged in sequence from the inside of the detection hole to the outside of the detection hole; the middle parts of the pressure pad and the lock nut are provided with through holes which are axially communicated, and the axial end surfaces of the pressure pad, the lock nut and the detection hole are provided with bolt holes.

The utility model has the advantages and the technical effect be:

the utility model discloses a counter for oil particles, which adopts the optical detection technology, and detects the content of solid particles flowing through oil in a transparent detection tube through a lens detection unit; the liquid is fed from the bottom of the transparent detection tube which is vertically arranged, and the liquid is discharged from the top of the transparent detection tube, so that the bubbles in the transparent detection tube are effectively removed, and the detection precision cannot be reduced due to the accumulation of the bubbles in the first liquid path; in addition, the utility model is also provided with a second liquid path and a horizontal liquid path, which improves the adaptability of the arrangement position of the liquid outlet hole on the basis of avoiding the accumulation of bubbles and avoids the condition that the external oil pipe is fixed and can not be connected with the liquid inlet hole, the first liquid outlet hole and the second liquid outlet hole; finally the utility model discloses a lens detecting element sets up in the rigidity water conservancy diversion of transparent test tube both sides is fast respectively, has further improved optical detection's precision.

The utility model discloses a fluid particle counter, simple structure and easily realization have effectively reduced the bubble and have stored up gaseous adverse effect to detecting the precision, are a fluid particle counter that has higher creativity.

Drawings

Fig. 1 is a front view of the housing of the present invention;

FIG. 2 is a cross-sectional view of section A-A of FIG. 1;

FIG. 3 is a schematic diagram (exploded view) showing the connection of the lens detecting unit according to the present invention;

in the figure: 1-a shell; 2-a first liquid outlet hole; 3-a rigid flow guide block; 4-horizontal liquid path; 5-a second fluid path; 6-a second liquid outlet hole; 7-a transparent detection tube; 8-liquid inlet hole; 9-front cover; 10-a detection window; 11-a detection well; 12-rear cover; 13-a through hole; 14-a lock nut; 15-a pressure pad; 16-a sealing ring; 17-a lens; 18-bolt hole.

Detailed Description

For further understanding of the contents, features and effects of the present invention, the following embodiments will be exemplified in conjunction with the accompanying drawings. It should be noted that the present embodiment is illustrative, not restrictive, and the scope of the invention should not be limited thereby.

An oil particle counter comprises a front cover 9, a shell 1 and a rear cover 12 which are sequentially fixedly connected by bolts, wherein the middle part of the front cover is provided with a detection window 10 made of transparent glass, and the middle part of the shell is fixedly provided with a rigid flow guide block 3; a first liquid path, a second liquid path 5 and a horizontal liquid path 4 are arranged in the rigid flow guide block, wherein the first liquid path and the second liquid path are both vertically arranged, and the top of the second liquid path is communicated with the first liquid path through the horizontal liquid path; the first liquid path is a transparent detection tube 7 fixedly arranged in the rigid flow guide block, the top of the transparent detection tube is communicated with a first liquid outlet hole 2, and the bottom of the transparent detection tube is communicated with a liquid inlet hole 8; the bottom of the second liquid path is communicated with a second liquid outlet hole 6; the liquid inlet hole, the first liquid outlet hole and the second liquid outlet hole are all communicated with the outside of the shell; the two side faces of the rigid flow guide block facing the front cover and the rear cover are provided with detection holes 11, and lens detection units for detecting fluid particles in the transparent detection pipe are fixedly arranged in the detection holes.

The lens detection unit comprises a lens 17, a sealing ring 16, a pressure pad 15 and a lock nut 14 which are fixedly arranged in sequence from the inside of the detection hole to the outside of the detection hole; the middle parts of the pressure pad and the lock nut are provided with through holes 13 which are axially communicated, and the axial end surfaces of the pressure pad, the lock nut and the detection hole are provided with bolt holes 18. .

In addition, the utility model discloses an optical counting instrument among the prior art, the light beam of this optical counting instrument transmission pierces through detection window-lens detecting element-transparent sense tube-lens detecting element with this, and the light beam shines on the backplate of back lid at last.

Additionally, the utility model discloses it is preferred, install the PLC controller among the prior art in the detection window, this PLC controller is connected with the optical counter electricity.

In order to more clearly describe the embodiments of the present invention, an example is provided below:

the utility model discloses a fluid particle counter divide into two kinds of detection connected modes, and first kind detects connected mode and is: the liquid inlet hole is communicated with the oil inlet pipeline, the first liquid outlet hole is communicated with the oil outlet pipeline, the second liquid outlet hole is in a blocking state, at the moment, oil flows through the transparent detection pipe from bottom to top, solid particles in the oil are detected by an optical counter, bubbles in the oil flow along with the oil and are finally discharged by the first liquid outlet hole, and the bubbles cannot be accumulated in the transparent detection pipe; the second detection connection mode is as follows: the liquid inlet hole is communicated with the oil inlet pipeline, the second liquid outlet hole is communicated with the oil outlet pipeline, the first liquid outlet hole is in a blocking state, oil flows into the transparent detection pipe from the liquid inlet hole to be detected for solid particles, and then the oil passes through the horizontal liquid path and the second liquid path and is finally discharged from the second liquid outlet hole.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. The utility model provides an oil particle counter, is including protecgulum, casing and the back lid of bolt rigid coupling in proper order, and wherein the middle part of protecgulum is equipped with the detection window of making by clear glass, its characterized in that: a rigid flow guide block is fixedly arranged in the middle of the shell; a first liquid path, a second liquid path and a horizontal liquid path are arranged in the rigid flow guide block, wherein the first liquid path and the second liquid path are both vertically arranged, and the top of the second liquid path is communicated with the first liquid path through the horizontal liquid path; the first liquid path is a transparent detection tube fixedly arranged in the rigid flow guide block, the top of the transparent detection tube is communicated with a first liquid outlet hole, and the bottom of the transparent detection tube is communicated with a liquid inlet hole; the bottom of the second liquid path is communicated with a second liquid outlet hole; the liquid inlet hole, the first liquid outlet hole and the second liquid outlet hole are all communicated with the outside of the shell; and detection holes are formed in the two side faces, facing the front cover and the rear cover, of the rigid flow guide block, and lens detection units for detecting fluid particles in the transparent detection pipes are fixedly arranged in the detection holes.

2. The oil particle counter of claim 1, wherein: the lens detection unit comprises a lens, a sealing ring, a pressure pad and a lock nut which are fixedly arranged in sequence from the inside of the detection hole to the outside of the detection hole; and the middle parts of the pressure pad and the lock nut are respectively provided with a through hole which is axially communicated, and the axial end surfaces of the pressure pad, the lock nut and the detection hole are respectively provided with a bolt hole.