CN2632665Y - Laser particle size measuring device with USB niterface power supply - Google Patents
Laser particle size measuring device with USB niterface power supply Download PDFInfo
- Publication number
- CN2632665Y CN2632665Y CN 03209694 CN03209694U CN2632665Y CN 2632665 Y CN2632665 Y CN 2632665Y CN 03209694 CN03209694 CN 03209694 CN 03209694 U CN03209694 U CN 03209694U CN 2632665 Y CN2632665 Y CN 2632665Y
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- CN
- China
- Prior art keywords
- laser
- measuring device
- particle size
- size measuring
- laser particle
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- 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.)
- Expired - Fee Related
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model relates to a particle size measuring device of laser particle that adopts an USB interface to supply the electric power. The utility model is characterized by taking a five volts AC current from the matched computer USB interface to the particle size measuring device of laser particle. The five volts AC current will be directly transmitted or boosted to desired working voltage, then transmitted to circuits of a solider laser generator, a multiple light source detecting component and other devices in the particle size measuring device. Resulting from that the particle size measuring device of laser particle must be matched to the computer for joint application, and through taking the electric power from the computer USB interface as the used electric power of the particle size measuring device of laser particle, the original power supply of the original particle size measuring device of laser particle can be removed to simplify the structure of the device. When a semiconductor solid state laser and the computer is provided with the electric power with an electric battery, the particle size measuring device of laser particle can be operated at the places with no alternating current.
Description
Technical field
The utility model relates to a kind of laser particle granulometry device by USB confession electricity, belongs to the grain graininess field of measuring technique.
Background technology
The laser particle particle size analyzer has been widely used in various particle sizings, by shown in Figure 1, it is by laser instrument and respective optical system, measurement zone or sample cell and the sample circulation system, scattered light receiver lens and light path system, measure the polynary optical detection device (light target) of scattering luminous energy, signal amplification circuit, signalling channel gating circuit, data acquisition circuit (AD card), computing machine, compositions such as function software.The measuring beam that sends by laser instrument 1 by measurement zone or sample cell after, scattered light is received lens 3 and receives, focusing on polynary optical detection device then is light target 4, the signal of photodetector is converted to digital quantity by the signalling channel gating circuit by data collecting card (AD card) and carries out data processing by computing machine after signal amplification circuit amplifies, obtain the size-grade distribution of tested particle.Here tested particle 2 can be solid particle, drop or bubble.For making instrument energy operate as normal, need be by power supply to laser instrument, polynary optical detection device, signal amplification circuit, signalling channel gating circuit, power supplies such as AD card.Existing laser particle particle size analyzer all adopts alternating current to power, and this makes the instrument more complicated, and can't not have the local work of AC power.
Summary of the invention
The purpose of this utility model is in order to solve existing laser particle granulometry device power supply shortcoming, provide a kind of by USB interface of computer from the computer power supply power taking, as measurement light source, polynary optical detection device, the new pattern laser grain graininess measurement mechanism of power supply such as signal gating and amplifying circuit.
The technical solution of the utility model is achieved like this, it is mainly by laser instrument, scattered light receiver lens, light target reaches by signal amplification circuit, the signalling channel gating circuit, device circuit that data acquisition circuit (AD card) is formed and computing machine are formed, be characterized in, by with the USB interface of computer of laser particle granulometry device indispensability in get the 5V DC voltage, directly or again rise to each parts work required voltage of device for solid state laser, multiple light courcess detecting element in laser particle granulometry device and the electricity consumption of installing each circuit through boost module.
Because laser particle granulometry device is to be used with computing machine, now supply with the electricity consumption of laser particle granulometry device from the USB interface of computer power taking, like this, can remove the power supply of former laser particle granulometry device, make apparatus structure simple, when using powered battery with semiconductor solid state laser and computing machine, laser particle granulometry device can be used for the local work of AC-less power.
Description of drawings
Fig. 1 is a laser particle granulometry apparatus system synoptic diagram;
Fig. 2 is a laser particle granulometry device USB current supply circuit synoptic diagram.
Embodiment
A kind of laser particle granulometry device by USB confession electricity, by shown in Figure 2, it is mainly by laser instrument 1, scattered light receiver lens 3, light target 4 reaches by signal amplification circuit, the signalling channel gating circuit, device circuit that data acquisition circuit (AD card) is formed and computing machine are formed, be characterized in, by with the USB interface of computer 5 of laser particle granulometry device indispensability in get the 5V DC voltage, directly or again rise to each parts work required voltage of device through boost module, as 12V, for the solid state laser in the laser particle granulometry device, multiple light courcess detecting element and the electricity consumption of installing each circuit.
Claims (1)
1, a kind of laser particle granulometry device by USB confession electricity, it is mainly by laser instrument (1), scattered light receiver lens (3), light target (4) reaches by signal amplification circuit, the signalling channel gating circuit, device circuit that data acquisition circuit (AD card) is formed and computing machine are formed, it is characterized in that, by with the USB interface of computer (5) of laser particle granulometry device indispensability in get the 5V DC voltage, directly or again rise to each parts work required voltage of device, for the solid state laser in the laser particle granulometry device through boost module, multiple light courcess detecting element and the electricity consumption of installing each circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03209694 CN2632665Y (en) | 2003-08-13 | 2003-08-13 | Laser particle size measuring device with USB niterface power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03209694 CN2632665Y (en) | 2003-08-13 | 2003-08-13 | Laser particle size measuring device with USB niterface power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2632665Y true CN2632665Y (en) | 2004-08-11 |
Family
ID=34289053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03209694 Expired - Fee Related CN2632665Y (en) | 2003-08-13 | 2003-08-13 | Laser particle size measuring device with USB niterface power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2632665Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101169363B (en) * | 2007-09-27 | 2010-12-22 | 上海理工大学 | Granule graininess, concentration and density measuring method and device |
| CN102109454A (en) * | 2011-03-17 | 2011-06-29 | 上海理工大学 | Device for synchronously measuring granularity of dynamic light scattering nanometer particles of multi-particles and method thereof |
| CN105424558A (en) * | 2015-11-03 | 2016-03-23 | 上海理工大学 | Combustion particle multi-parameter measurement device and method adopting blue-ray back lighting |
-
2003
- 2003-08-13 CN CN 03209694 patent/CN2632665Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101169363B (en) * | 2007-09-27 | 2010-12-22 | 上海理工大学 | Granule graininess, concentration and density measuring method and device |
| CN102109454A (en) * | 2011-03-17 | 2011-06-29 | 上海理工大学 | Device for synchronously measuring granularity of dynamic light scattering nanometer particles of multi-particles and method thereof |
| CN102109454B (en) * | 2011-03-17 | 2013-04-03 | 上海理工大学 | Device for synchronously measuring granularity of dynamic light scattering nanometer particles of multi-particles and method thereof |
| CN105424558A (en) * | 2015-11-03 | 2016-03-23 | 上海理工大学 | Combustion particle multi-parameter measurement device and method adopting blue-ray back lighting |
| CN105424558B (en) * | 2015-11-03 | 2018-05-22 | 上海理工大学 | A kind of burning particles multiparameter measuring device and method using blue light back lighting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |