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. 发明公开

US20230384218A1 FIRE DETECTION DEVICE 审中-公开
公开(公告)号：US20230384218A1
公开(公告)日：2023-11-30
申请号：US18366039
申请日：2023-08-07
申请人： HOCHIKI Corporation
发明人： Tomohiko SHIMADZU , Keisuke Washizu , Manabu Dohi , Yasuharu Fujiwara , Hideki Takano
IPC分类号： G01N21/53 , F21V7/00 , G08B17/107 , G08B17/113
CPC分类号： G01N21/53 , F21V7/0025 , G08B17/107 , G08B17/113
摘要： An occurrence space 32A which is provided in a light shielding space 3A shielded from light from an outside and into which a detection target flows, a first light emitting unit 61A and a second light emitting unit that emit detection light along a first light emitting-side optical axis 611A and a second light emitting-side optical axis toward an occurrence space 32A, a light receiving unit that receives scattered light generated when detection light emitted from the first light emitting unit 61A and the second light emitting unit is scattered by a detection target flowing into the occurrence space 32A along a light receiving-side optical axis intersecting the first light emitting-side optical axis 611A and the second light emitting-side optical axis, and a smoke detection unit cover-side inclined portion 43A that primarily reflects the detection light emitted from the first light emitting unit 61A and the second light emitting unit in a direction intersecting a plane defined by the first light emitting-side optical axis 611A, the second light emitting-side optical axis, and the light receiving-side optical axis are included.

2. 发明授权

US11454582B2 Sensor 有权
公开(公告)号：US11454582B2
公开(公告)日：2022-09-27
申请号：US17063356
申请日：2020-10-05
申请人： Hochiki Corporation
发明人： Keisuke Washizu , Tomohiko Shimadzu , Manabu Dohi
IPC分类号： G01N15/06
摘要： Provided is a detector 100 attached to an installation surface 900 of a ceiling, the detector 100 having an attachment surface 11 facing the installation surface 900, in which the detector 100 includes a light shielding space 3 into which smoke flows, a light emitting unit 61 and a light receiving unit 62 that detects smoke flowing into the light shielding space 3, an outer cover 2 that accommodates the light emitting unit 61, the light receiving unit 62, and the light shielding space 3, an outer cover-side inner side inflow/outflow opening 212 and an outer cover-side outer side inflow/outflow opening 213 that allow gas containing smoke to flow into and flow out of the light shielding space 3, the outer cover-side inner side inflow/outflow opening 212 and the outer cover-side outer side inflow/outflow opening 213 being provided toward an opposite side from the attachment surface 11 in the outer cover 2 with reference to a direction substantially orthogonal to the attachment surface 11, and a main body-side inclination portion 211 and a guide portion-side inclination portion 221 that guide gas so that gas flows into the light shielding space 3 through the outer cover-side inner side inflow/outflow opening 212 and the outer cover-side outer side inflow/outflow opening 213.

3. 外观设计

USD908519S1 Smoke detector 有权
公开(公告)号：USD908519S1
公开(公告)日：2021-01-26
申请号：US29745850
申请日：2020-08-10
申请人： HOCHIKI CORPORATION
设计人： Tomohiko Shimazu , Manabu Dohi , Keisuke Washizu

4. 发明公开

US20230290237A1 DISASTER PREVENTION APPARATUS 审中-公开
公开(公告)号：US20230290237A1
公开(公告)日：2023-09-14
申请号：US18118811
申请日：2023-03-08
申请人： HOCHIKI Corporation
发明人： Keisuke Washizu , Manabu Dohi
IPC分类号： G08B17/103
CPC分类号： G08B17/103
摘要： A detector 100 includes: an outer cover 11; and an indicator that outputs at least information about a test of a disaster prevention apparatus by emitting light, and that is provided in the outer cover 11, wherein when at least a part of the outer cover 11 is covered with a test apparatus in order to perform the test of the detector 100, at least a part of an indication surface of the indicator is exposed to an outside of the test apparatus and the indicator is formed in a side portion of the outer cover 11, the indicator is formed in an edge portion of a front portion of the outer cover 11, and the indicator is a part of a light guide portion 111 that is formed in the outer cover 11, and that guides light from a light emitter.

5. 发明授权

US11698340B2 Fire detection apparatus 有权
公开(公告)号：US11698340B2
公开(公告)日：2023-07-11
申请号：US17033721
申请日：2020-09-26
申请人： HOCHIKI Corporation
发明人： Manabu Dohi , Tomohiko Shimadzu , Keisuke Washizu
IPC分类号： G01N21/53
CPC分类号： G01N21/53
摘要： A fire detection apparatus 1 includes a first light emitting unit 101 that irradiates a detection space located inside or outside the fire detection apparatus 1 with first detection light, a second light emitting unit 102 that irradiates the detection space with second detection light having a different wavelength from a wavelength of the first detection light, a light receiving unit 103 that receives scattered light of the first detection light irradiated from the first light emitting unit 101 due to smoke, outputs a first light receiving signal according to the received scattered light, receives scattered light of the second detection light irradiated from the second light emitting unit 102 with respect to smoke, and outputs a second light receiving signal according to the received scattered light, and an identification unit 107a that identifies a type of smoke present in the detection space on the basis of an output ratio of an output value of the first light receiving signal to an output value of the second light receiving signal output from the light receiving unit 103 and a rising rate of the output value of the first light receiving signal or the second light receiving signal.

6. 发明公开

US20230417665A1 FIRE DETECTION APPARATUS 审中-公开
公开(公告)号：US20230417665A1
公开(公告)日：2023-12-28
申请号：US18243958
申请日：2023-09-08
申请人： HOCHIKI Corporation
发明人： Keisuke Washizu , Hiroki Masuzawa
IPC分类号： G01N21/53
CPC分类号： G01N21/53 , G01N2201/0642
摘要： Provided is a sensor 100 for detecting a fire in a monitoring area, including a detection space into which a detection target caused by the fire flows, a light emitting portion 71 configured to emit emission light for detecting the detection target into the detection space, a light receiving portion 72 configured to receive scattered light generated by the emission light scattered by the detection target inside the detection space, an ambient light processing portion configured to prevent ambient light from entering the detection space, and a disturbance light processing portion configured to process disturbance light other than the scattered light, the disturbance light being generated inside the detection space due to the emission light, in which the ambient light processing portion and the disturbance light processing portion are elements different from each other, the ambient light processing portion is provided outside the detection space, and the disturbance light processing portion is provided inside the detection space.

7. 发明申请

US20210088442A1 FIRE DETECTION APPARATUS 有权
公开(公告)号：US20210088442A1
公开(公告)日：2021-03-25
申请号：US17033721
申请日：2020-09-26
申请人： HOCHIKI Corporation
发明人： Manabu Dohi , Tomohiko Shimadzu , Keisuke Washizu
IPC分类号： G01N21/53
摘要： A fire detection apparatus 1 includes a first light emitting unit 101 that irradiates a detection space located inside or outside the fire detection apparatus 1 with first detection light, a second light emitting unit 102 that irradiates the detection space with second detection light having a different wavelength from a wavelength of the first detection light, a light receiving unit 103 that receives scattered light of the first detection light irradiated from the first light emitting unit 101 due to smoke, outputs a first light receiving signal according to the received scattered light, receives scattered light of the second detection light irradiated from the second light emitting unit 102 with respect to smoke, and outputs a second light receiving signal according to the received scattered light, and an identification unit 107a that identifies a type of smoke present in the detection space on the basis of an output ratio of an output value of the first light receiving signal to an output value of the second light receiving signal output from the light receiving unit 103 and a rising rate of the output value of the first light receiving signal or the second light receiving signal.

8. 外观设计

USD1034263S1 Smoke detector for fire alarm 有权
公开(公告)号：USD1034263S1
公开(公告)日：2024-07-09
申请号：US29883026
申请日：2023-01-23
申请人： HOCHIKI CORPORATION
设计人： Keisuke Washizu , Hiroki Masuzawa
摘要： FIG. 1 is a front top perspective view of a smoke detector for fire alarm.
FIG. 2 is a rear top perspective view thereof.
FIG. 3 is a top plan view thereof.
FIG. 4 is a bottom plan view thereof.
FIG. 5 is a front elevation view thereof.
FIG. 6 is a rear elevation view thereof.
FIG. 7 is a left side elevation view thereof; and,
FIG. 8 is a right side elevation view thereof.
The dash-dot-dash lines demark the claim boundary beyond which no claim is made.

9. 发明公开

US20230221185A1 DISASTER PREVENTION APPARATUS 审中-公开
公开(公告)号：US20230221185A1
公开(公告)日：2023-07-13
申请号：US18118788
申请日：2023-03-08
申请人： HOCHIKI Corporation
发明人： Keisuke Washizu , Manabu Dohi
IPC分类号： G01K1/08 , G01K1/14
CPC分类号： G01K1/08 , G01K1/14 , G01K7/22
摘要： A disaster prevention apparatus includes: an outer cover 11; a thermistor 14 that detects a physical quantity of a detection target; a protective portion 12 that accommodates the thermistor 14, that is provided on the outer cover 11, and that has an opening portion 122 through which the detection target flows in and out with respect to the thermistor 14; and a prevention portion 13 that prevents a contact object from coming into contact with the thermistor 14, and that is provided in the opening portion 122, wherein the prevention portion 13 is a projection, and the prevention portion 13 protrudes from the outer cover 11 side, the prevention portion 13 is provided at a position close to a center of an edge portion of the opening portion 122, and an outer surface of the prevention portion 13 is curved.

10. 发明申请

US20210255101A1 FIRE DETECTION DEVICE 有权
公开(公告)号：US20210255101A1
公开(公告)日：2021-08-19
申请号：US17156359
申请日：2021-01-22
申请人： HOCHIKI Corporation
发明人： Tomohiko SHIMADZU , Keisuke Washizu , Manabu Dohi , Yasuharu Fujiwara , Hideki Takano
IPC分类号： G01N21/53 , G08B17/107 , G08B17/113 , F21V7/00
摘要： An occurrence space 32A which is provided in a light shielding space 3A shielded from light from an outside and into which a detection target flows, a first light emitting unit 61A and a second light emitting unit that emit detection light along a first light emitting-side optical axis 611A and a second light emitting-side optical axis toward an occurrence space 32A, a light receiving unit that receives scattered light generated when detection light emitted from the first light emitting unit 61A and the second light emitting unit is scattered by a detection target flowing into the occurrence space 32A along a light receiving-side optical axis intersecting the first light emitting-side optical axis 611A and the second light emitting-side optical axis, and a smoke detection unit cover-side inclined portion 43A that primarily reflects the detection light emitted from the first light emitting unit 61A and the second light emitting unit in a direction intersecting a plane defined by the first light emitting-side optical axis 611A, the second light emitting-side optical axis, and the light receiving-side optical axis are included.

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