专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JPS63302343A PARTICULATE MEASURING INSTRUMENT 失效
公开(公告)号：JPS63302343A
公开(公告)日：1988-12-09
申请号：JP13871187
申请日：1987-06-02
申请人： KURITA WATER IND LTD , HORIBA LTD
发明人： KUMAGAI TOSHIO , SHIGEMI KOKI , AKIYAMA SHIGEYUKI , SUZUKI RIICHIRO , YOSHIDA NATSUKI
IPC分类号： G01N15/14
摘要： PURPOSE:To measure the number of particulates in a short time and make an instrument effectively function as a particle counter by adding up a plurality of the counted numbers of the particulates at prescribed time intervals and averaging obtained values. CONSTITUTION:A particle counter 1 as particulate measuring means is composed of an argon laser light source in a measuring cell (a) wherein sample water 51 flows, an irradiating system (b) provided with a convergent lens and a photodetector system (c) for detecting scattering light provided with a light receiving lens, pin hole means, and a photomultiplier tube. Arithmetic means 10 is constituted around a central processing unit (CPU) 11, which is controlled by a system ROM 12. A count signal indicative of the number of particulates obtained by counting signals by the photodetector system (c) of the counter 1 and amplified by an amplifier is inputted to the CPU 11 via an input unit 13 and stored in a memory 14. The stored count signals are read from the memory 14 and arithmetically processed. The obtained result is outputted to display means 16 via an output unit 15.

2. 发明专利

JPS63290944A CORPUSCLE COUNTER 失效
公开(公告)号：JPS63290944A
公开(公告)日：1988-11-28
申请号：JP12743487
申请日：1987-05-23
申请人： HORIBA LTD , KURITA WATER IND LTD
发明人： AKIYAMA SHIGEYUKI , SUZUKI RIICHIRO , TAKAMATSU SHUJI , SHIGEMI KOKI , KUMAGAI TOSHIO
IPC分类号： G01N15/06 , G01N15/14 , G01N21/49
摘要： PURPOSE:To reduce the power consumption of laser tube and to prolong its life by switching a laser beam emission device from a continuous operation state to an intermittent operation state automatically and reversibly when the variation rate of a measured value of corpuscle concentration decreases below a constant value. CONSTITUTION:A power source control circuit part C for a laser carries out basically the sequence of a continuous measurement mode wherein the laser beam emission device L is operated continuously. The variation rate of the measured value of the corpuscle concentration fed back from a measurement (arithmetic) circuit part D is detected by a differential arithmetic or sequential subtracting means at all times and when the variation rate is larger than the constant value, the laser beam emission device L is put in continuous operation to perform measurement continuously; when the variation rate decreases below the constant value, the laser beam emission device L is operated intermittently to perform automatic control so that the measurement is performed intermittently.

3. 发明专利

JPS63302344A PARTICULATE MEASURING INSTRUMENT 失效
公开(公告)号：JPS63302344A
公开(公告)日：1988-12-09
申请号：JP13871287
申请日：1987-06-02
申请人： KURITA WATER IND LTD , HORIBA LTD
发明人： KUMAGAI TOSHIO , SHIGEMI KOKI , AKIYAMA SHIGEYUKI , SUZUKI RIICHIRO
IPC分类号： G01N15/00 , G01N15/14
摘要： PURPOSE:To simply judge whether a particle counter is normal when required by a simple mechanism by measuring the number of particulates contained in a liquid to be inspected that is supplied from a supply line for the liquid to be inspected. CONSTITUTION:Number of particulates measuring means 1 is provided with a supply line 2 for supplying a liquid to be inspected and a discharge line 3. Reference liquid supply means 6 is composed of an adding unit 6a and a plunger unit 6b. The number of particulates is read from a display unit 4. Then, a changeover switch 5 is changed over from a measuring mode to a cumulative mode and, at the same time, the measurement of a cumulative mode time is initiated. Thus, the number of the particulates instantaneously is displayed as zero. Then, since a prescribed quantity of a reference liquid is added to a liquid 10 to be inspected in a passage 9 from a disposal type injector cylinder 15 by turning a cock 11, the number of the particulates gradually increases and, after a peak value is reached finally, returns to the original value of the number of the particulates. A measurement is stopped at this time and changed over to the measuring mode again. The total sum of the numbers of the particulates in the cumulative mode obtained when the reference liquid is added thereto is obtained. When an obtained value matches a value obtained by a prescribed formula, the means 1 is judged to be normal.

4. 发明专利

JPS63144235A PARTICLE COUNTER 失效
公开(公告)号：JPS63144235A
公开(公告)日：1988-06-16
申请号：JP29131486
申请日：1986-12-05
申请人： HORIBA LTD , KURITA WATER IND LTD
发明人： AKIYAMA SHIGEYUKI , SUZUKI RIICHIRO
IPC分类号： G01N15/14
摘要： PURPOSE:To switch particle size measurement ranges of fine particles and to perform high-accuracy measurement by varying the flow velocity of sample fluid which passes through a detection cell. CONSTITUTION:A flow velocity switching means Z consists of a 1st capillary C1 with large flow resistance which is interposed on the downstream side of the detection C and a flowmeter Q in a main flow passage 1, a 2nd capillary C2 which is interposed in a branch flow passage 1B reaching a confluence part 3 from its upstream side and has flow resistance much smaller than that of the capillary C1, a 3rd capillary C3 which is interposed in a branch flow passage 2B reaching the confluence part 3 from the upstream side of a needle valve VN in a by-pass flow passage 2 and substantially equal in flow resistance to the capillary C2, and a three-way changeover valve V which opens and closes the flow passages 1B and 2B selectively. Then the valve V is switched between a state wherein sample fluid flows passing through the capillaries C1 and C2 at a constant flow rate obtained by subtracting the constant flow rate of the valve VN from the constant total flow rate determined by a constant flow rate valve VQ and a state wherein the fluid passes through the capillaries C1 and C3.

5. 发明专利

JPH11316185A SUBMERGED FINE PARTICLE MEASUREMENT SYSTEM 失效
公开(公告)号：JPH11316185A
公开(公告)日：1999-11-16
申请号：JP3704999
申请日：1999-02-16
申请人： HORIBA LTD
发明人： YUHARA YOSHIKIMI , SUZUKI RIICHIRO
IPC分类号： H01L21/304 , B01D19/00 , G01N15/02 , G01N15/14
摘要： PROBLEM TO BE SOLVED: To provide a compact-whole-structure submerged fine particle measurement system that, even in the event of an bubble occurrence in a sample solution, surely eliminates it by a low cost structure so as to measure fine particles with high accuracy. SOLUTION: In this submerged fine particle measurement system, a measurement cell 8 with a sample solution 2 flowing therein is irradiated with light so that the scattered light by fine particles contained in the sample solution 2 is detected by a photodetector 25, and on the basis of the output thereof the number of the fine particles is counted. In this case, a cooling device 6 to cool the sample solution 2 and dissolve bubbles contained in the sample solution 2, and a degassing device 7 to separate and eliminate the bubbles from the sample solution 2 are provided in series with each other on the upstream side of the measurement cell 8. Also, a bubble vent 20 that is formed at the top of the degassing device 7 is connected to the downstream side of the measurement cell 8.

6. 发明专利

JPH05322830A METHOD FOR MELTING SILVER CHLORIDE FOR COD MEASURING INSTRUMENT 失效
公开(公告)号：JPH05322830A
公开(公告)日：1993-12-07
申请号：JP14988792
申请日：1992-05-16
申请人： HORIBA LTD
发明人： HIRATA SHUICHI , SHIOSAKI HIROKO , SUZUKI RIICHIRO
IPC分类号： G01N27/26 , G01N33/18
摘要： PURPOSE:To dissolve silver chloride settled in the reaction tank of a COD measuring instrument with no effects on the surrounding environment by using an odorless chemical which can be handled without any special skill. CONSTITUTION:The silver chloride generated in the reaction tank 7 of an instrument for measuring the COD of the resulted solution of a reaction based on reduction-oxidation titration when the aqueous solution of silver nitrate is added to the resulted solution for masking chloride ions is melted by stirring the resulted solution while an aqueous solution containing thiourea or sodium thiosulfate is supplied.

7. 发明专利

JPH02311744A APPARATUS FOR MEASURING PARTICLE IN LIQUID 失效
公开(公告)号：JPH02311744A
公开(公告)日：1990-12-27
申请号：JP13394089
申请日：1989-05-27
申请人： HORIBA LTD
发明人： KUBO YOSHIHIRO , SUZUKI RIICHIRO , FUKUSHIMA RYOSUKE , AKIYAMA SHIGEYUKI
IPC分类号： G01N15/14
摘要： PURPOSE:To prevent the generation of a stray light caused by particles and the like attached on a window by forming a light trap as a hollow structure, branching a feeding line of liquid to be measured to a nozzle, and forming a purging line. CONSTITUTION:Laser light is projected toward liquid to be measured through a first transmitting part. When particles are not present in the liquid to be measured, the laser light passes through a second transmitting part. When the particles are present in the liquid to be measured, the laser light is made to hit the particles and scattered. Part of the scattered laser light passes through a third transmitting part 13 and condensed with a lens 15. The light is inputted into a fiber 18 by way of a pinhole 16. The laser light is counted in a photodetector 19. Thus the particles contained in the liquid to be measured of unit amount are measured. Meanwhile, the remaining part of the scattered laser light is scattered toward the wall part of a cell 1 for fluid. Since a light trap 20 having the hollow structure is provided at the wall part opposite to the transmitting part 13, the scattered laser light does not become the stray light and it not caught with the transmitting part 13.

8. 发明专利

JPS6165136A Method and apparatus for measuring fine particles in liquid 失效
标题翻译：用于测量液体中微细颗粒的方法和装置
公开(公告)号：JPS6165136A
公开(公告)日：1986-04-03
申请号：JP18754484
申请日：1984-09-06
申请人： Horiba Ltd
发明人： AKIYAMA SHIGEYUKI , SUZUKI RIICHIRO
IPC分类号： G01N15/14 , G01N15/02
CPC分类号： G01N15/0205
摘要： PURPOSE:To measure the particle size and the number of fine particles highly accurately by mixing clean air with a liquid sample, floating the fine particles in the air and irradiating coherent light on the gas to detect the intensity of the dispersed light from the fine particles. CONSTITUTION:A liquid sample Sl and clean air A are led into an evaporator 1, the sample Sl is jetted from a nozzle and evaporated, heated and then diluted by the clean air A to evaporate the sample Sl completely. Since the fine particles included in the sample Sl are floated in the gas sample Sg, the sample Sg is led into a measuring cell 10 and light is irradiated from a light source 9 to generate dispersed light having intensity corresponding to the particle size from the fine particles. Consequently, the dispersed light is detected by a detector 11 and the particle size and the number of fine particles can be measured continuously and highly accurately without generation a measuring error.
摘要翻译：目的：通过将清洁空气与液体样品混合来高精度地测量颗粒尺寸和细颗粒数量，将微粒悬浮在空气中，并将相干光照射在气体上以检测来自细颗粒的分散光的强度。构成：将液体样品S1和清洁空气A引入蒸发器1中，将样品S1从喷嘴喷射并蒸发，加热，然后由清洁空气A稀释以完全蒸发样品S1。由于样品S1中包含的微粒子漂浮在气体样品Sg中，所以将样品Sg引入测量单元10中，并且从光源9照射光以产生具有与来自微细的颗粒尺寸相当的强度的分散光粒子。因此，通过检测器11检测分散的光，可以连续高精度地测量粒子的粒径和微粒数，而不会产生测量误差。

9. 发明专利

JPH0583858B2 失效
公开(公告)号：JPH0583858B2
公开(公告)日：1993-11-29
申请号：JP19128288
申请日：1988-07-30
申请人： HORIBA LTD
发明人： SUZUKI RIICHIRO , KUBO YOSHIHIRO
IPC分类号： G01N15/14 , G01N15/02

10. 发明专利

JPH04335135A PARTICULATE COUNTER 失效
公开(公告)号：JPH04335135A
公开(公告)日：1992-11-24
申请号：JP13565491
申请日：1991-05-11
申请人： HORIBA LTD
发明人： KUBO YOSHIHIRO , SUZUKI RIICHIRO , KONO SATOSHI
IPC分类号： G01N15/14 , G01N21/53
摘要： PURPOSE:To obtain a counter wherein the sufficient resolving power for the diameter of a particulate is provided and S/N is improved by cutting the lower part of parallel light in the direction perpendicular to the direction of the optical axis of the parallel light and the flowing direction of sample fluid. CONSTITUTION:A counter has a light emitting optical system and a detecting optical system. The light emitting optical system casts emitting light 8a in the direction which crosses the flow of sample fluid in a flow cell 1. The detecting optical system detects scattered light 8b which is generated by the emission of the emitting light 8a on particulates contained in the sample fluid. When the emitting light 8a is cast into the sample fluid S, the light is made to be the parallel light with a collimator lens 9, and the lower part of the light is cut with a lower-part cutting lens 10. The wave image is focused at the central part of an observing region R through relay lenses 12a and 12b and a cylindrical lens 13. Therefore, the lower part of the light can be cut in high accuracy to the state which is approximately close to the diffraction limit in the observing region R.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式