CN217981230U - Sample cell for particle counter - Google Patents
Sample cell for particle counter Download PDFInfo
- Publication number
- CN217981230U CN217981230U CN202221747675.9U CN202221747675U CN217981230U CN 217981230 U CN217981230 U CN 217981230U CN 202221747675 U CN202221747675 U CN 202221747675U CN 217981230 U CN217981230 U CN 217981230U
- Authority
- CN
- China
- Prior art keywords
- sample cell
- particle counter
- liquid
- hole
- observation window
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Optical Measuring Cells (AREA)
Abstract
The utility model provides a sample cell for a particle counter, which comprises a body, wherein the upper surface of the body is provided with a plurality of liquid channels communicated with the lower surface of the body, the middle part of the body is provided with an observation groove, and an observation window is arranged between the observation groove and the liquid channels; a through hole is formed in the middle of the body, a first observation window is arranged in the through hole at a position corresponding to the first observation window, a mounting plate is arranged at the bottom of the through hole, and a rotating device is arranged on the mounting plate; the liquid channel switching device has the advantages that the plurality of liquid channels are arranged, so that the working efficiency can be improved, the liquid channels can be switched by rotating the body, the frequent disassembly of the sample pool is not needed, the labor intensity of workers is reduced, and the working efficiency is improved.
Description
Technical Field
The present application relates to equipment accessories for particle counters, and in particular to a sample cell for a particle counter.
Background
The liquid particle counter is used for detecting tiny solid particle pollutants in liquid, and has important application in the fields of medicine, water quality analysis, oil cleanliness detection, semiconductor process control and the like, the light resistance method laser liquid particle counter utilizes the scattering and blocking of tiny particles to realize the counting and measurement of the particles according to the meter scattering theory, the detection principle is shown in figure 1, light emitted by a semiconductor laser 1 forms a tiny line beam after being shaped by a lens group 2, the line beam irradiates a detection area of a liquid sample cell 3 and reaches the surface of a photoelectric detector 4 after penetrating through the sample cell 3; the liquid 5 to be detected flows through the detection area of the sample cell through the liquid channel 6 of the sample cell, when the tiny particles 7 in the liquid to be detected pass through the detection area, the light signal received by the photoelectric detector 4 is weakened due to the scattering and blocking of the particles to the light, the light signal becomes a negative pulse signal 9 after passing through the photoelectric detector 4 and the detection circuit 8, and the amplitude of the signal is proportional to the size of the particles; therefore, the number of the micro particles and the size of the particles in the liquid 5 to be measured can be measured through the number and the amplitude of the pulse signals 9.
The sample cell is a core component of the liquid particle counter, and the structure and the quality of the sample cell determine key detection indexes of the instrument; the sample cell needs to be cleaned after being used for a period of time, otherwise the sensitivity of the particle counter is reduced, but the sample cell is frequently disassembled and cleaned, and the working efficiency is influenced.
For example, the Chinese patent application number is: 201120415530.4 "in a sample cell for a liquid particle counter" the sample cell mentioned in the background art and the sample cell of the invention in this application also only has 1 liquid channel, and needs to be frequently disassembled and cleaned.
Therefore, a new technical solution is needed to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a sample cell for a particle counter, which comprises a body, wherein the upper surface of the body is provided with a plurality of liquid channels communicated with the lower surface of the body, the middle part of the body is provided with an observation groove, and an observation window is arranged between the observation groove and the liquid channels; the novel multifunctional portable electronic device is characterized in that a through hole is formed in the middle of the body, a first observation window is arranged in the through hole and corresponds to the first observation window, a mounting plate is arranged at the bottom of the through hole, and a rotating device is arranged on the mounting plate.
Preferably, the body is a cylindrical body.
Preferably, the cross-sectional shape of the through-hole is circular.
Preferably, the rotating device comprises a rotating shaft connected with the mounting plate, and the rotating shaft is connected with a rotating motor.
As a preferable scheme, the body is made of stainless steel.
Preferably, the observation window is a glass optical window.
Preferably, the first observation window is a glass optical window.
In the application, liquid to be measured flows through an observation window of a sample cell through a liquid channel of the sample cell, when tiny particles in the liquid to be measured pass through the observation window, due to scattering and blocking of light by the particles, a light signal received by a photoelectric detector is weakened, the light signal becomes a negative pulse signal after passing through a detector and a detection circuit, the amplitude of the signal is proportional to the size of the particles, and the number of tiny particles and the size of the particles in the liquid to be measured can be measured according to the number and the amplitude of the pulse signal; when the sensitivity of the particle counter goes wrong, the body is rotated through the rotating device, so that an unused liquid channel is aligned to the semiconductor laser and can be directly used without being detached and cleaned, the service time is saved, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the operation of the prior art;
FIG. 2 is a schematic view of the structure of angle one of the present application;
FIG. 3 is a structural schematic diagram of angle two of the present application;
FIG. 4 is a schematic view of the structure of angle three of the present application;
reference numerals are as follows:
1. semiconductor laser 2, lens group 3, liquid sample cell 4, photoelectric detector
5. Liquid 6 to be detected, liquid channel 7 of sample cell, micro particles 8 and detection circuit
9. Signal 10, body 11, liquid channel 12, observation window
13. Rotating device 14, rotating shaft 15, rotating motor 16, and through hole
17. Mounting plate 18, observation window one.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It should be noted that the embodiments described herein are only for illustrating and explaining the present invention, and are not to be construed as limiting the present invention.
The first embodiment is as follows:
the utility model provides a sample cell for particle counter, including body 10, preferably, body 10 adopts the cylindricality body 10 adopts stainless steel, the upper surface of body 10 sets up a plurality of liquid channel 11 that link up with the lower surface of body 10, liquid channel 11 evenly sets up, and liquid channel 11 is used for making the liquid 5 that awaits measuring circulate, the middle part of body 10 is equipped with the observation tank, is equipped with observation window 12 between observation tank and the liquid channel 11, preferably, observation window 12 adopts glass optical window, and glass optical window is used for cooperating with photoelectric detector 4, realizes the effect to the measurement of the number of the medium tiny particulate matter of liquid 5 that awaits measuring and the size of particulate matter; the bottom of body 10 still is connected with rotary device 13, and rotary device 13 starts, drives body 10 and wholly rotates, can make liquid channel 11 rotate, makes the liquid channel that does not use aim at semiconductor laser 1, measures, does not need frequent dismantlement of carrying on the sample cell, has improved work efficiency, preferably, rotary device 13 includes rotation axis 14 of being connected bottom body 10, rotation axis 14 is connected with rotating electrical machines 15, rotating electrical machines 15 adopt among the prior art rotating electrical machines can, and specific model does not do the injecing, and the technical staff carries out corresponding selection according to particular case can.
Example two:
the material can be saved in this embodiment, reduces the cost of manufacture, specifically:
through-hole 16 has been seted up at the middle part of body 10, preferably, the cross sectional shape of through-hole 16 is circular, is equipped with observation window 18 in the through-hole 16 with the position that observation window 12 corresponds, the bottom of through-hole 16 is equipped with mounting panel 17, and mounting panel 17 is connected through the connected mode commonly used among the prior art such as welding, bonding with through-hole 16, also can adopt integrated into one piece's mode to carry out the shaping, be connected with rotary device 13 on the mounting panel 17, more specifically, rotation axis 14 is connected with mounting panel 17.
When in use, the photoelectric detector 4 is arranged in the through hole 16 and corresponds to the first observation window 18, and can sense signals.
The utility model discloses a theory of operation does: in the application, liquid 5 to be measured flows through an observation window 12 of a sample cell through a liquid channel 11, when tiny particles in the liquid 5 to be measured pass through the observation window 12, due to scattering and blocking of light by the particles, an optical signal received by a photoelectric detector 4 is weakened, the optical signal becomes a negative pulse signal 9 after passing through the detector 4 and a detection circuit 5, the amplitude of the signal 9 is proportional to the size of the particles, and the number of the tiny particles and the size of the particles in the liquid to be measured can be measured according to the number and the amplitude of the pulse signal; when the sensitivity of the particle counter is in a problem, the body 10 is rotated through the rotating device 13, so that the unused liquid channel 11 is aligned with the semiconductor laser 1 and the photoelectric detector 4 and can be directly used without being detached and cleaned, the use time is saved, and the working efficiency is improved; the photoelectric detector 4 is arranged in the middle of the body 1 when the application is used.
In conclusion, due to the adoption of the technical scheme, the plurality of liquid channels 11 are arranged to improve the working efficiency, the liquid channels 11 can be switched by rotating the body 10, the sample pool does not need to be frequently disassembled, the labor intensity of workers is reduced, and the working efficiency is improved.
The structure and connection relationship described in detail in the present invention are the prior art, and the present invention is not described herein in detail; the connection between the respective members is preferably fixed by means of an adhesive, an integral molding, or the like, which is well known in the art.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are included in the scope of protection of the present invention.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present application will not be described separately.
In addition, any combination of the various embodiments of the present application can be made, and the application should be considered as the disclosure of the present application as long as the idea of the present application is not violated.
Claims (7)
1. A sample cell for a particle counter comprises a body (10), and is characterized in that the upper surface of the body (10) is provided with a plurality of liquid channels (11) communicated with the lower surface of the body (10), the middle part of the body (10) is provided with an observation groove, and an observation window (12) is arranged between the observation groove and the liquid channels (11); through-hole (16) have been seted up at the middle part of body (10), be equipped with observation window (18) on the position that corresponds with observation window (12) in through-hole (16), the bottom of through-hole (16) is equipped with mounting panel (17), be equipped with rotary device (13) on mounting panel (17).
2. A sample cell for a particle counter according to claim 1, characterised in that said body (10) is a cylindrical body.
3. A sample cell for a particle counter according to claim 1, wherein the cross-sectional shape of the through hole (16) is circular.
4. A sample cell for a particle counter according to claim 1, characterized in that the rotation means (13) comprises a rotation shaft (14) connected to a mounting plate (17), the rotation shaft (14) being connected to a rotation motor (15).
5. A sample cell for a particle counter according to claim 1, wherein the body (10) is made of stainless steel.
6. A sample cell for a particle counter according to claim 1, wherein the viewing window (12) is a glass optical window.
7. A sample cell for a particle counter according to claim 1, wherein said first viewing window (18) is a glass optical window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221747675.9U CN217981230U (en) | 2022-07-06 | 2022-07-06 | Sample cell for particle counter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221747675.9U CN217981230U (en) | 2022-07-06 | 2022-07-06 | Sample cell for particle counter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217981230U true CN217981230U (en) | 2022-12-06 |
Family
ID=84275759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221747675.9U Active CN217981230U (en) | 2022-07-06 | 2022-07-06 | Sample cell for particle counter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217981230U (en) |
-
2022
- 2022-07-06 CN CN202221747675.9U patent/CN217981230U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102282453B (en) | Monolithic optical flow cells and method of manufacture | |
| CN103323383B (en) | Particle counting system of micro-fluidic chip based on electric resistance technology | |
| CN217981230U (en) | Sample cell for particle counter | |
| CN104458540A (en) | Flow chamber of blood analyzer | |
| CN201740759U (en) | All-in-one heavy metal online analyzer | |
| CN110252712A (en) | The device for cleaning and demarcating for water quality detection sensor | |
| CN115406817A (en) | Microfluidic-based particle detector | |
| JPH07301595A (en) | Method and apparatus for measuring particle | |
| WO2018121666A1 (en) | Detector having grating-type double-flashing transistors, and monitoring apparatus | |
| CN211148169U (en) | Water sampling device for environmental monitoring | |
| CN101487788A (en) | Multi-channel flowing counting pool | |
| CN203037618U (en) | Portable heavy metal detector | |
| CN217384345U (en) | Low-abrasion turbine flowmeter | |
| CN109738059A (en) | A kind of noise detection device for road | |
| CN216051265U (en) | Marine algae particle size measuring device | |
| CN113655107A (en) | Rainwater acidity analysis and detection device and detection method thereof | |
| CN108152467A (en) | A kind of trade effluent detection device | |
| JP2008070245A (en) | Flow cell for fluid sample | |
| CN110715882A (en) | Proportioning device for determining dilution ratio of ferrographic experiment based on oil granularity | |
| CN118603219B (en) | Electromagnetic flowmeter with water quality monitoring function | |
| CN207336302U (en) | A kind of cell state detection device | |
| CN115144555B (en) | Environmental pollution source automatic analysis and monitoring device based on big data | |
| CN221926199U (en) | Multichannel electrolyte instrument | |
| CN211147761U (en) | Ultrasonic flowmeter with high accuracy | |
| CN216144827U (en) | Laser on-line measuring object linear velocity device suitable for industrial environment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |